CN110520099A

CN110520099A - The manufacturing method of makeup overlay film

Info

Publication number: CN110520099A
Application number: CN201880025561.3A
Authority: CN
Inventors: 内山雅普
Original assignee: Kao Corp
Current assignee: Kao Corp
Priority date: 2017-04-18
Filing date: 2018-04-18
Publication date: 2019-11-29
Also published as: TW201841606A; WO2018194085A1; JP2018177797A; JP7216485B2

Abstract

The present invention provide it is a kind of by electrostatic spraying processes, manufacture and skin it is close fitting it is high, tacky less, usability is good and the method for the overlay film that can promote color make-up effect.A kind of manufacturing method of overlay film on skin, which is characterized in that will the direct electrostatic spray of composition containing ingredient (a), ingredient (b) and ingredient (c) in skin.(a) the one kind or two or more volatile materials in water, alcohol and ketone；(b) with the polymer of overlay film Forming ability；(c) be at 20 DEG C solid-like oil.

Description

The manufacturing method of makeup overlay film

Technical field

The present invention relates to a kind of manufacturing methods of overlay film of making up.

Background technique

It has been known that there is the various methods for forming overlay film by electrostatic spray.Such as it records in patent document 1 including to skin Composition is carried out to the method for the processing skin of electrostatic spray.Composition used in this method contains fluid insulation object Matter, conductive material, particulate powder substance and tackifier.As the composition, the change containing pigment typically can be used Cosmetic or skin care compositions.Specifically, using cosmetic foundation cream as composition.That is, invention documented by patent document 1 with Electrostatic spray is carried out for the purpose of beauty and by cosmetic foundation cream, is mainly envisioned for making up to skin.

The disposable casket of the electrostatic atomizer for cosmetics is recorded in patent document 2.The electrostatic atomizer is The built in type of hand-held.The electrostatic atomizer and above patent document 1 are similarly used for for cosmetic foundation cream being sprayed.

(patent document 1) Japanese Unexamined Patent Publication 2006-104211 bulletin

(patent document 2) Japanese Unexamined Patent Application Publication 2003-507165 bulletin

Summary of the invention

The present invention provides a kind of manufacturing method of the overlay film on skin, which is characterized in that will contain ingredient (a), ingredient (b) And the direct electrostatic spray of composition of ingredient (c) is in skin.

(a) the one kind or two or more volatile materials in water, alcohol and ketone；

(b) with the polymer of overlay film Forming ability；

(c) be at 20 DEG C solid-like oil.

Detailed description of the invention

Fig. 1 be indicate the present invention in it is preferable to use electrostatic atomizer structure skeleton diagram.

Fig. 2 is the schematic diagram for indicating to carry out the appearance of electrostatic spraying processes using electrostatic atomizer.

Specific embodiment

However, after skin, when being coated with muffin, having by the cosmetic application of oil-containing as toner or lotion etc. When due to the oil in cosmetics is equal and the decline of the adhesion of foundation cream or due to the contact of clothing or skin and the color of foundation cream occurs It moves.In addition, although the oil of the solid-like in cosmetics can expect moisture retention, with effect proportionally tacky change it is more, use Sense is deteriorated.In view of being covered by the cosmetic application of the oil containing solid-like etc. in skin and with overlay film, and according to patent document 1 And method documented by 2, it attempts to form makeup overlay film by electrostatic spray, but the close patch of obtained makeup overlay film and skin Close insufficient, sticky feeling and color make-up effect are not improved.

Therefore, the present invention provides a kind of by electrostatic spraying processes, the close fitting height of manufacture and skin, it is tacky less, make The method of overlay film with a good sense, that color make-up effect promoting may further be made.

Present inventor has carried out various discussions, result with the composition of composition by spraying for used in electrostatic spraying processes It was found that if also cooperating at 20 DEG C other than polymer and volatile materials with overlay film Forming ability in solid-like Oil, then the close fitting of overlay film when direct electrostatic spray to skin is obviously improved, and obtained overlay film is not tacky, color make-up Effect is also promoted.

According to the present invention, skin with the close fitting of overlay film be formed by by electrostatic spray get higher, and can be with shape At tacky few, make the overlay film of the excellent effect of color make-up effect promoting.

Hereinafter, being based on preferred embodiment, referring to attached drawing and the present invention will be described.The manufacturing method of the present invention is The manufacturing method of the overlay film of overlay film is formed on the surface of skin.It is in present embodiment, the composition containing defined ingredient is straight It connects and is applied to skin and forms overlay film.As the forming method of overlay film, electrostatic spraying processes are used in the present invention.Electrostatic spraying processes are Applying positive or negative high voltage to composition charges the composition, and the composition of electrification is carried out spraying method towards skin. Spraying composition repeat to miniaturize and in spatial spread by Coulomb repulsion, in this process or after being attached to skin, As the solvent seasoning of volatile materials, overlay film thus is formed on the surface of skin.

The composition (hereinafter, the composition is also referred to as " by spraying with composition ") used in the present invention is carrying out In liquid in the environment of electrostatic spraying processes.The composition contains ingredient (a), ingredient (b) and ingredient (c) below.

(b) with the polymer of overlay film Forming ability；

(c) be at 20 DEG C solid-like oil.

Hereinafter, being illustrated to each ingredient.

The volatile materials of ingredient (a) is that have volatile substance in the state of liquid.It is used in composition spraying, Ingredient (a) is cooperated with following purposes: make to be placed in electric field this use composition sufficiently charged by spraying after, from spray nozzle front end It is sprayed towards skin, when ingredient (a) evaporates, becomes surplus with the charge density of composition by spraying, pass through Coulomb repulsion one Side further miniaturize one side ingredient (a) and further evaporates, and ultimately forms dry overlay film.In order to reach the purpose, volatility Its vapour pressure of substance be preferably at 20 DEG C 0.01kPa or more and 106.66kPa or less, more preferably 0.13kPa or more and 66.66kPa hereinafter, further preferably 0.67kPa or more and 40.00kPa hereinafter, even more preferably be 1.33kPa or more And 40.00kPa or less.

In the volatile materials of ingredient (a), as alcohol, it is preferable to use the ring of the chain type aliphatic alcohol of such as unitary, unitary The aromatic alcohols of formula aliphatic alcohol, unitary.As the chain type aliphatic alcohol of unitary, C can be enumerated₁~C₆Alcohol；Ring as unitary Formula alcohol can enumerate C₄~C₆Cycloalcohol；As the aromatic alcohols of unitary, benzylalcohol, benzyl carbinol etc. can be enumerated.As respective Specific example can enumerate ethyl alcohol, isopropanol, butanol, benzyl carbinol, normal propyl alcohol, n-amyl alcohol etc..These alcohol can be used selected from this It is one kind or two or more in a little.

In the volatile materials of ingredient (a), as ketone, two C can be enumerated₁~C₄Alkyl ketone, such as acetone, Methylethyl Ketone, methyl iso-butyl ketone (MIBK) etc..These ketone can be used alone or two or more is applied in combination.

The volatile materials of ingredient (a) be preferably selected from it is one kind or two or more in ethyl alcohol, isopropanol, butanol and water, more Be preferably selected from it is one kind or two or more in ethyl alcohol and butanol, further preferably containing the volatile materials of ethyl alcohol.

By spraying with the content of the ingredient (a) in composition be preferably 50 mass % or more, more preferably 55 mass % or more, Further preferably 60 mass % or more.Additionally, it is preferred that for 98 mass % or less, being more preferably 96 mass % or less, further Preferably 94 mass % or less.It is preferably by spraying 50 mass % or more and 98 mass % with the content of the ingredient (a) in composition Hereinafter, more preferably 55 mass % or more and 96 mass % hereinafter, further preferably 60 mass % or more and 94 mass % with Under.By containing ingredient (a) in composition in spraying use with the ratio, spraying combination can be made when carrying out electrostatic spraying processes Object sufficiently volatilizees.

In addition, the total amount of the volatile materials relative to ingredient (a), ethyl alcohol is preferably 50 mass % or more, is more preferably 65 mass % or more, further preferably 80 mass % or more.Additionally, it is preferred that being 100 mass % or less.Relative to ingredient (a) Volatile materials total amount, ethyl alcohol is preferably 50 mass % or more and 100 mass % or less, more preferably 65 mass % or more And 100 below mass %, further preferably 80 mass % or more and 100 mass % or less.

The polymer with overlay film Forming ability as ingredient (b) is usually the volatility that can be dissolved in ingredient (a) Substance in substance.Here, dissolution refers at 20 DEG C in dispersity, the dispersity be visually uniform state, It is preferred that be visually transparent or semitransparent state.

As the polymer with overlay film Forming ability, according to the property of the volatile materials of ingredient (a) using appropriate Polymer.Specifically, the polymer with overlay film Forming ability is roughly divided into water-soluble polymer and water-insoluble polymerization Object." water-soluble polymer " in this specification, which refers to, to be included in the environment of 1 atmospheric pressure, 23 DEG C, and polymer 1g has been weighed Afterwards, it is impregnated in the ion exchange water of 10g, after 24 hours, the 0.5g or more of the polymer impregnated is dissolved in the property of water The polymer of matter.On the other hand, " insoluble polymer " in this specification, which refers to, includes in 1 atmospheric pressure, 23 DEG C of ring Under border, after having weighed polymer 1g, be impregnated in the ion exchange water of 10g, after 24 hours, the polymer that is impregnated it is super Cross the polymer of the undissolved property of 0.5g.

As the water-soluble polymer with overlay film Forming ability, such as pulullan, hyaluronic acid, sulphur can be enumerated Aching and limp ossein, poly-gamma-glutamic acid, modified corn starch, beta glucan, glucose oligosaccharide, heparin, keratan sulfate etc. glue Polysaccharide；Cellulose, pectin, xylan, lignin, glucomannans, galacturonic acid, psyllium seed gum, tamarind gum, Arab Glue, bassora gum, soybean water-soluble polysaccharide, alginic acid, carragheen, laminariose, agar (agarose), fucoidin, Methyl cellulose The natural polymer of element, hydroxypropyl cellulose, hydroxypropyl methyl cellulose etc.；Partly-hydrolysed polyvinyl alcohol is (not simultaneously with crosslinking agent With the case where), the synthesis of low saponified polyvinyl alcohol, polyvinylpyrrolidone (PVP), polyethylene oxide, Sodium Polyacrylate etc. Macromolecule etc..These water-soluble polymers may be used singly or in combination of two or more.In these water-soluble polymers, , it is preferable to use pulullan and partly-hydrolysed polyvinyl alcohol, low saponified polyvinyl from the viewpoint of being easy overlay film manufacture Alcohol, polyvinylpyrrolidone and polyethylene oxide etc. synthesize macromolecule.Use polyethylene oxide as water-soluble polymer In the case where, number-average molecular weight is preferably 50,000 or more and 3,000,000 or less, more preferably 100,000 or more and 2,500,000 or less.

On the other hand, it as the polymer with overlay film Forming ability of water-insoluble, such as can enumerate in overlay film shape The fully saponified polyvinyl alcohol of insoluble processing can be carried out after, can be into after overlay film is formed and being used in combination with crosslinking agent The partly-hydrolysed polyvinyl alcohol of row crosslinking Treatment, poly- (N- propiono ethylenimine) graft-dimethyl siloxane/gamma-amino Oxazoline modified silicone, the polyvinyl acetal lignocaine acetic acid esters, zein of propylmethylsiloxane copolymer etc. (zein, the main component of corn protein), polyester, polylactic acid (PLA), polyacrylonitrile resin, polymethacrylate resin etc. Acrylic resin, polystyrene resin, polyvinyl butyral resin, pet resin, poly- to benzene Dioctyl phthalate butanediol ester resin, polyurethane resin, polyamide, polyimide resin, polyamide-imide resin etc..These Insoluble polymer may be used singly or in combination of two or more.In these insoluble polymers, it is preferably selected from The fully saponified polyvinyl alcohol of insoluble processing can be being carried out after overlay film is formed, formed and being used in combination with crosslinking agent in overlay film Partly-hydrolysed polyvinyl alcohol, polyvinyl butyral resin, polyurethane resin, poly- (the N- propionyl of crosslinking Treatment can be carried out afterwards Base ethylenimine) graft-dimethyl siloxane/gamma-amino propylmethylsiloxane copolymer etc. oxazoline modified silicone, It is one kind or two or more in polyvinyl acetal lignocaine acetic acid esters, zein, more preferably contract selected from polyvinyl alcohol It is one kind or two or more in butyral resin and polyurethane resin.

By spraying with the content of the ingredient (b) in composition be preferably 2 mass % or more, more preferably 4 mass % or more, into One step is preferably 6 mass % or more.Additionally, it is preferred that for 50 mass % or less, being more preferably 45 mass % or less, further preferred For 40 mass % or less.Be preferably by spraying 2 mass % or more and 50 mass % with the content of the ingredient (b) in composition hereinafter, More preferably 4 mass % or more and 45 mass % are hereinafter, further preferably 6 mass % or more and 40 mass % or less.Pass through The overlay film of target can be effectively formed with ingredient (b) is contained in composition spraying with the ratio.

The content ratio ((a)/(b)) for using the ingredient (a) and ingredient (b) in composition by spraying, from progress electrostatic spraying processes When ingredient (a) can be made sufficiently to volatilize, can be formed from the viewpoint of the overlay film of target, preferably 0.5 or more and 40 or less, more It preferably 1 or more and 30 or less, is more preferably 2 or more and 25 or less.

In addition, the content ratio ((a)/(b)) of the ethyl alcohol (a) and ingredient (b) in composition is used by spraying, from progress electrostatic Can make when mist method ethyl alcohol (a) sufficiently volatilize, can be formed from the viewpoint of the overlay film of target, preferably 0.5 or more and 40 with Under, more preferably 1 or more and 30 or less, further preferably 2 or more and 25 or less.

Ingredient (c) is the oil at 20 DEG C in solid-like.By with ingredient (c) is contained in composition, then passing through quiet spraying Electron spray is formed by overlay film and the close fitting of skin gets higher, and not tacky, forms the overlay film of color make-up excellent effect.Separately Outside, it is formed by that overlay film water resistance, absorption of perspiration are excellent, and is not easy to be destroyed due to the contact of skin or clothing.In addition, In By at 20 DEG C be in solid-like oil be coated on skin in the case where, due to skin bumps and can not equably be coated with, in skin Uniform color make-up effect can not be obtained, but according to the present invention, due to forming uniform overlay film on the skin, thus, it is possible to obtain Uniform color make-up effect.

In the present invention, refer in the oil of solid-like through differential scanning thermal capacitance amount determining device at 20 DEG C (Differential scanning calorimetry:DSC), the oil of melting peak is observed at 20 DEG C or more.In the examination of solid When sample melts, due to absorbing more thermal energy as fusing heat compared to primary standard substance, can be confirmed display from solid to The melting peak of the state change of liquid.It in the present invention, will be in solid in the case where 20 DEG C of oil identified above for having the peak are defined as 20 DEG C The oil of body shape.Specific measuring method utilizes the method recorded in embodiment.

As at 20 DEG C being in the oil of solid-like, as long as being just not particularly limited commonly used in cosmetics.For example, can To enumerate wax, cholesterol derivative, phytosterol analog derivative, dipentaerythritol fatty acid ester, triglyceride, wool Rouge, lanosterol analog derivative, vaseline, ceramide type, higher alcohol and higher fatty acids etc..

As wax, ester type waxes can enumerating such as rice bran wax, Brazil wax, bearing ground lira wax, beeswax, spermaceti, ground The chloroflo of wax, paraffin, microwax, polyethylene wax and polyolefin-wax etc..These can be animality wax, vegetalitas wax, mineral Wax and synthetic wax etc. it is any.

As cholesterol derivative, such as cholesterol isostearate, hydroxy stearic acid cholesteryl ester, Australia can be enumerated Continent macadamia nut oil fatty acid cholesterol ester and N- lauroyl-Pidolidone two (cholesteryl behenyl base octyldodecyl Base) ester etc..

As phytosterol analog derivative, such as N- lauroyl-(phytosterol Ji Shan of Pidolidone two can be enumerated Yu base 2- octyldodecyl) ester, N- lauroyl-Pidolidone two (phytosterol base 2- octyldodecyl) ester, Isostearic acid phytosterol base ester and oleic acid phytosterol base ester etc..

As dipentaerythritol fatty acid ester, such as hexahydroxystearic acid dipentaerythritol ester, rosin acid can be enumerated Dipentaerythritol ester etc..

As triglyceride, can enumerate such as three (caprylic capric myristic acid stearic acid) glyceride. These triglycerides are also possible to the substance that the part such as hydrogenated oil and fat is hydrogenated.

As ceramide type, for example natural ceramide and class ceramide can be enumerated.As natural ceramide, It can enumerate for example by sphingol, dihydrosphingosine, phytosphingosine and sheath ammonia dienol (Sphingadienine) by amide Ceramide Type 1~7 after change.As class ceramide, such as Japanese Unexamined Patent Publication 2013-53146 bulletin note can be enumerated The ceramide type of load.

As higher alcohol, the higher alcohol that for example carbon atom number is 12~22 can be enumerated.Specifically, Pork and beans can be enumerated Cool alcohol, cetanol, stearyl alcohol and docosyl alcohol etc..

As higher fatty acids, the straight chain fatty acid that carbon atom number is 12~22 can be enumerated.For example, laurel can be enumerated Acid, myristic acid, palmitinic acid, stearic acid and behenic acid etc..

In in the oil of solid-like at these 20 DEG C, from being promoted, the close fitting of overlay film, inhibition is tacky, promotes color make-up effect From the viewpoint of, it is preferably selected from one kind or two or more in ceramide type, higher alcohol and higher fatty acids.

The oily content in composition at 20 DEG C in solid-like is used by spraying, is sent out from close fitting, the inhibition for promoting overlay film From the viewpoint of viscous, promotion color make-up effect, preferably 0.01 mass % or more, it is more preferably 0.05 mass % or more, is further Preferably 0.1 mass % or more.Additionally, it is preferred that for 15 mass % or less, more preferably 12 mass % or less, being more preferably 10 mass % or less.Content ranges preferably from 0.01 mass % or more and 15 mass % or less, more preferably 0.05 mass % Above and 12 mass % or less, further preferably 0.1 mass % or more and 10 mass % or less.

The content mass ratio (b/c) for using ingredient (b) and ingredient (c) in composition by spraying, from fitting closely for promotion overlay film Property, inhibit it is tacky, promoted color make-up effect from the viewpoint of, preferably 0.5 or more, more preferably 2 or more, more preferably 4 or more, Further preferably 6 or more.In addition, from being promoted, the close fitting of overlay film, inhibition is tacky, promotes the viewpoint of color make-up effect is examined Consider, preferably 700 or less, more preferably 650 or less, more preferably 120 or less, further preferably 100 or less.Content quality 0.5 or more and 700 or less, more preferably 2 or more and 650 or less, more preferably 4 or more and 120 are ranged preferably from than (b/c) It below, is more preferably 6 or more and 100 or less.

By spraying in composition, it can only contain mentioned component (a), ingredient (b) and ingredient (c), alternatively, can also be in addition to Also contain other compositions other than ingredient (a), ingredient (b) and ingredient (c).As other compositions, such as ingredient (b) can be enumerated Plasticizer, coloring pigment, extender pigment, dyestuff, surfactant, fragrance, the repellent of polymer with overlay film Forming ability Agent, antioxidant, stabilizer, preservative, various vitamins etc..In the case where spraying use in composition containing other compositions, The content of the other compositions is preferably 0.1 mass % or more and 30 mass % or less, more preferably 0.5 mass % or more and 20 matter Measure % or less.

Furthermore it is spraying with glycols can be contained in composition.As glycols, ethylene glycol, propylene glycol, fourth can be enumerated Glycol, diethylene glycol, dipropylene glycol, polypropylene glycol etc..From the sight that ingredient (a) can be made sufficiently to volatilize when carrying out electrostatic spraying processes Point considers, spraying with preferably 10 mass % or less, more preferably 3 mass % or less, further preferably 1 matter in composition % is measured hereinafter, it is preferred that containing substantially no.

In the present invention, it is characterized in that above-mentioned by spraying with the direct electrostatic spray of composition in skin.

In the case where carrying out electrostatic spraying processes, composition is used as spraying, is preferably at 25 DEG C using its viscosity 1mPas or more, more preferably 10mPas or more, further preferably being sprayed for 50mPas or more use composition.In addition, The use of viscosity is preferably 5000mPas or less, more preferably 2000mPas or less at 25 DEG C, is more preferably 1500mPas is below to use composition by spraying.By spraying with the viscosity of composition at 25 DEG C, preferably 1mPas or more and 5000mPas or less, more preferably 10mPas or more and 2000mPas or less, further preferably 50mPas or more And 1500mPas or less.Spraying by using the viscosity with the range uses composition, and it is suitable to can use electrostatic spraying processes The porosity overlay film for forming porosity overlay film sharply, particularly being made of the deposit of fiber.From overlay film it is close fitting, The transparency of overlay film, overlay film sense inhibition, prevent skin it is bored it is wet from the viewpoint of, the formation of porosity overlay film is advantageous.Spray The viscosity of mist composition is measured at 30 DEG C using E type viscosimeter.As E type viscosimeter, such as Tokyo can be used The E type viscosimeter of gauge company manufacture.As rotor in this case, rotor No.43 can be used.

By electrostatic spraying processes, composition is used by spraying to the target site Direct spraying of the skin of people.Here, skin also wraps Include nail.Electrostatic spraying processes include using electrostatic atomizer, by the spraying process for carrying out electrostatic spray to skin with composition. Electrostatic atomizer substantially include the container for accommodating the composition, the nozzle for spraying the composition, will be contained in it is described The composition in container supplies to the feedway of the nozzle and applies alive power supply to the nozzle.

The skeleton diagram for being suitble to the structure of the electrostatic atomizer used in the present invention is illustrated that in Fig. 1.It is shown in FIG. 1 quiet Electrospray device 10 has low voltage power supply 11.Low voltage power supply 11 can produce the voltage of the number of several V to ten V.To improve electrostatic For the purpose of the portability of spraying device 10, low voltage power supply 11 is preferably made of 1 or 2 or more battery.In addition, passing through Use battery as low voltage power supply 11, it may have to can according to need and be easy the advantages of being replaced.Also it can replace battery And use AC adapter etc. as low voltage power supply 11.

Electrostatic atomizer 10 also has high-voltage power supply 12.High-voltage power supply 12 is connect with low voltage power supply 11, and is had For the circuit (not shown) for by the boost in voltage as caused by low voltage power supply 11 being high voltage.Booster circuit is usually by transformation Device, capacitor and semiconductor element etc. are constituted.

Electrostatic atomizer 10 is further equipped with auxiliary circuit 13.Auxiliary circuit 13 is between above-mentioned low voltage power supply 11 and height Between voltage source 12, has the function of adjusting the voltage of low voltage power supply 11 and make 12 steady operation of high-voltage power supply.Furthermore Auxiliary circuit 13 has the function of controlling the revolving speed for the motor that aftermentioned Mini gear pump 14 has.Pass through turning for control motor Speed, so that control is by aftermentioned by spraying with the container 15 of composition to the spraying supply amount with composition of Mini gear pump 14.It is auxiliary It helps between circuit 13 and low voltage power supply 11 and switch SW is installed, by the switch of switch SW, electrostatic atomizer 10 can be made Operating/stopping.

Electrostatic atomizer 10 is further equipped with nozzle 16.Nozzle 16 by headed by metal various electric conductors or plastics, The electrical insulators such as rubber, ceramics are constituted, and the shape for using composition by spraying can be sprayed by its front end by being made.It circulates in nozzle 16 It is spraying to be formed with the short space of composition along the length direction of the nozzle 16.The size of the cross section of the short space, with Diameter indicates preferably 100 μm or more and 1000 μm or less.

Nozzle 16 is connected to via pipeline 17 with Mini gear pump 14.Pipeline 17 can be electric conductor, may be non-conductive Body.In addition, nozzle 16 is electrically connected with high-voltage power supply 12.Thus, it is possible to apply high voltage to nozzle 16.At this point, in nozzle 16 When directly contacting human body, super-high-current circulates in order to prevent, and nozzle 16 is electrically connected with high-voltage power supply 12 via current-limiting resistance 19 It connects.

The Mini gear pump 14 being connected to via pipeline 17 with nozzle 16 uses group as that will be contained in being sprayed in container 15 Conjunction object, which is supplied to the feedway of nozzle 16, to play a role.Mini gear pump 14 from low voltage power supply 11 receive power supply supply and Work.In addition, Mini gear pump 14 is supplied the spraying of specified amount to spray with composition with the control by auxiliary circuit 13 The mode of mouth 16 is constituted.

Container 15 is connected to Mini gear pump 14 via flexible tubing 18.It is contained in container 15 and uses composition by spraying.Hold Device 15 is preferably made the interchangeable form of box.

The electrostatic atomizer 10 of structure more than having can use as shown, for example, in fig. 2.Tool is shown in Fig. 2 Having can be with the electrostatic atomizer 10 of the hand-held for the size being hold by one hand.In electrostatic atomizer 10 shown in Fig. 2, Fig. 1 Shown in the component of structure chart be all contained in columnar shell 20.In one end 10a configuration of the length direction of shell 20 There is nozzle (not shown).Nozzle is so that the emission direction of the composition and the vertical consistency of shell 20, and towards skin side in convex The mode of shape is configured in the shell 20.It, can be with by making spray nozzle front end be configured to convex up towards skin in the vertical of shell 20 Make to be not easy to be attached to shell with composition by spraying, overlay film can be stably formed.

When making electrostatic atomizer 10 work, user passes through shape on the target site of electrostatic spray on the skin The device 10 is held with hand at the people of overlay film, will be carried out configured with one end 10a direction of the device 10 of nozzle (not shown) quiet The site of administration of electron spray.In Fig. 2, show by one end 10a of electrostatic atomizer 10 towards user forethiga on the inside of State.In this state, the switch of device 10 is opened and carries out electrostatic spraying processes.By being passed through power supply to device 10, spraying Electric field is generated between mouth and skin.In the embodiment shown in figure 2, apply positive high voltage in nozzle, skin becomes cathode. If generating electric field between nozzle and skin, the spraying of spray nozzle front end portion is polarized with composition because of electrostatic induction, before End part becomes cone cell, and the spraying drop with composition of electrification, along electric field, is ejected in the air by cone front end towards skin. If as solvent ingredient (a) from be ejected to space and electrification it is spraying evaporated in composition, use composition by spraying The charge density on surface becomes surplus, repeats to be made fine and in spatial spread, arrival skin because of Coulomb repulsion.At this point, logical The viscosity that appropriate adjustment uses composition by spraying is crossed, spraying the composition can be made to reach site of administration with the state of drop. Alternatively, the volatile materials as solvent can also be made to volatilize from drop, made as solute during being ejected to space Polymer solidification with overlay film Forming ability, while elongation strain is allowed to by potential difference and forms fiber, make the fiber It is piled up in site of administration.For example, being easy to make the composition heap in the form of fiber if improving the viscosity for using composition by spraying Product is in site of administration.The porosity overlay film being made of the deposit of fiber is formed on the surface of site of administration as a result,.By containing purple The porosity overlay film that the deposit of the fiber of outside line shielding agent is constituted can also by adjusting the distance between nozzle and skin or The voltage that is applied to nozzle is formed.

During carrying out electrostatic spraying processes, there is high potential difference between nozzle and skin.However, due to impedance It is very big, it is therefore, extremely small in the electric current of human body circulation.Present inventor has been acknowledged by lower generated with for example usual life It is compared caused by electrostatic in the electric current of human body circulation, it is small several in the electric current of human body circulation during carrying out electrostatic spraying processes A order of magnitude.

When forming the deposit of the fiber comprising ultraviolet protection agent by electrostatic spraying processes, the rugosity of the fiber with When equivalent circle diameter indicates, preferably 10nm or more, more preferably 50nm or more.Additionally, it is preferred that being 3000nm or less, more preferable For 1000nm or less.The rugosity of fiber is observed for example, by scanning electron microscope (SEM), and fiber is amplified to 10000 times It is observed, defect (block of fiber, the cross section of fiber, drop) is removed by its two dimensional image, arbitrarily selects 10 fibers, The line orthogonal with the length direction of fiber is drawn, can be measured by directly reading fibre diameter.

Have by the overlay film that electrostatic spraying processes are formed by the deposit as fiber in the surface side of the fiber constituted Have and supports overlay film there are ingredient (c).The surface side of fiber refers between a part on surface or surface, fiber.Spraying combination The content of ingredient (c) additionally depends on the compatibility of polymer and ingredient (c) with overlay film Forming ability in object, if it is about 1 Quality % or more, then the fiber swelling and softening constituted improve the tracing ability of skin, and further ingredient (c) is easy from structure At fiber in ooze out, ingredient (c) is easily guided between the fiber and fiber constituted；On the other hand, if it is spraying With the content of the ingredient (c) in composition less than 1 mass %, then ingredient (c) is not easy to support in the surface of the fiber constituted.Such as Fruit supports ingredient (c) in the fiber for constituting overlay film, then with the close fitting raising of skin, inhibit the hair of overlay film Viscous, promotion color make-up effect.In addition, these close fitting effects are coated with by aftermentioned liquor and are further enhanced.

In the case where the skin containing sweat or sebum etc., pass through composite parts (c) in the fibre, then fiber swelling, hold Easily plasticizing.For example, by skin of the identical composition to the metal surface of moisture-free or oil and containing moisture or oil Surface, such as palm, carry out electrostatic spray 5 seconds and in the case where making film, if through when observe the variation of fibre diameter, Compared to the fiber of electrostatic spray to metal surface, timely diameter increases the fiber of electrostatic spray to skin surface due to swelling. In this way, be formed by by electrostatic spray wrap fibrous overlay film because in skin oil and moisture be plasticized and become more to become It is soft, so that fiber itself promotes the tracing ability of dermatoglyph, in addition, ingredient (c) by fibrin formation, be present in fiber surface or Between fiber and fiber, fibrous overlay film is wrapped as a result, and is translucent or transparence, and imparts natural appearance.In overlay film It is formed in the case that object is the skin containing sweat or sebum etc., the fibre diameter due to caused by swelling meets below (1) formula.

(electrostatic spray being carried out to skin, the fibre diameter after 30 seconds) > (electrostatic spray is carried out to metal plate, after 30 seconds Fibre diameter) ... (1)

It is measured as follows as spraying with the content of the ingredient (a) of composition, ingredient (b) and ingredient (c).As volatilization The ingredient (a) of property substance be not present in be formed by overlay film or even if there are volatilize, therefore, to being formed by overlay film It is measured with the state for only containing ingredient (b) and ingredient (c), content proceeds as follows measurement.

Have with solution state using liquid chromatography (HPLC) separation identification or using infrared spectrophotometer (IR) into The method of row identification.In liquid chromatography, due to being eluted since the biggish ingredient of molecular weight, accordingly it is also possible to pass through molecule The prediction of amount, the elution site of ingredient identify composition.IR can also identify functional group according to each absorber when analyzing It is identified, can usually be identified by comparing the standard drawing of commercially available additive and the IR figure of ingredient.

The exploration for can dissolve the solvent of overlay film, after overlay film is dissolved in solvent, utilizes liquid chromatography (HPLC) Separation identification is identified using infrared spectrophotometer (IR).

The above-mentioned fiber for forming overlay film becomes the continuous fiber of endless on manufacturing theory, but preferably at least has fiber 100 times or more of length of rugosity.In the present specification, the fiber of 100 times or more of the length with fibre coarseness is defined For " continuous fiber ".Moreover, being preferably to be made of the deposit of continuous fiber by overlay film manufactured by electrostatic spraying processes Porous discontinuous overlay film.The overlay film of such form is acted not only as aggregate and is operated with 1 sheet, is also had There is very soft feature, be not easy disintegration applying shearing force to it, has the tracing ability of the movement to body excellent Advantage.Furthermore also have the advantages that completely removing for overlay film is easy.In contrast, do not have pore continuous overlay film be not easily stripped, And the diversity of sweat is low, therefore, has skin that sultry worry occurs.In addition, porous for being made of the aggregate of particle Property discontinuous overlay film, in order to completely remove overlay film, it is necessary to overlay film integrally apply friction etc. movement, it is difficult to skin is not caused It damages and completely removes.

In the electrostatic spray process for having used electrostatic atomizer 10, become the spraying use of threadiness by electrostatic spray Composition one side ingredient (a) evaporation, one side ingredient (b) and ingredient (c) directly reach skin with the state of electrification.As described above by It is also charged in skin, therefore, fiber is fitted closely in the form of sheet of membrane in skin by electrostatic force.Due on the surface of skin Be formed with the subtle bumps such as skin pattern, therefore, with using the interaction of anchoring effect caused by the bumps and fiber with The state of sheet of membrane is further fitted closely in the surface of skin.After completing electrostatic spray in this way, electrostatic atomizer 10 is cut off Power supply.The electric field between nozzle and skin disappears as a result, and the charge on the surface of skin is immobilized.As a result, further performance The overlay film of the form of sheet of membrane it is close fitting, durability in use peeling-off by overlay film edge is not easy in fitting It is promoted.In addition, since the fiber for constituting overlay film contains ingredient (c), it, can also even if not in addition being coated with liquid on the skin So that overlay film is sufficiently fitted closely in skin.As its reason, it is believed that be due to being present in fiber by ingredient (c), thus Due to plasticizing effect, fiber itself softens and improves to the tracing ability of subtle male and fomale(M&F), or oozes out into fibre by ingredient (c) Dimension table face between fiber and skin so that carry out liquid crosslinking.Furthermore due between constituting the fiber of fiber of overlay film or fine The surface of dimension has that there are the overlay films that supports of ingredient (c), and therefore, the fiber for constituting overlay film is not easy reflected light, and overlay film appearance is easy Become transparent, it can be with the natural state coverage skin of appearance.These effects are coated with to obtain further by aftermentioned liquor Enhancing.

Nozzle between skin at a distance from also depend on the voltage applied to nozzle, from successfully formed overlay film for, it is excellent It is selected as 50mm or more and 150mm or less.Nozzle between skin at a distance from can pass through usually used noncontacting proximity sensor etc. It is measured.

By electrostatic spraying processes formed overlay film be whether it is porous, the base weight of overlay film is preferably 0.1g/m²With Upper, more preferably 1g/m²More than.Additionally, it is preferred that being 50g/m²Below, it is more preferably 40g/m²Below.Such as the base weight of overlay film is excellent It is selected as 0.1g/m²Above and 50g/m²Hereinafter, more preferably 1g/m²Above and 40g/m²Below.The base of overlay film is set in this way Weight, can promote the close fitting and color make-up effect of overlay film.

In addition, the electrostatic spray process that overlay film is formed to the direct electrostatic spray composition of skin refer to skin carry out it is quiet Electron spray, the process for forming overlay film.Composition is subjected to electrostatic spray to the place other than skin and makes and is made of fiber Sheet material, the process which is coated on skin is different from above-mentioned electrostatic spray process.

In the present invention, before the electrostatic spray process for forming overlay film on the skin above by electrostatic spray or its Afterwards, can also carry out will containing at polyalcohol and 20 DEG C in the liquor of the ingredient in liquid oil, with electrostatic spray with The process that outer method is coated on skin.By carrying out liquor painting process using the method other than electrostatic spray, thus electrostatic Spraying procedure is formed by overlay film and is easy to be blended in site of administration, which can highly fit closely with skin, and can also With transparence.For example, being not likely to produce difference of height between the end and skin of overlay film, the close patch of overlay film and skin is thus promoted Conjunction property.As a result, being not susceptible to removing or rupture of overlay film etc..It is by fiber in the overlay film of embodiment more preferably It is close fitting also high with skin despite high voidage in the case where the porosity overlay film that deposit is constituted, and hold Biggish capillary force easily occurs.In turn, it when fiber is fine, is easy porosity overlay film high-specific surface area.

After forming the porosity overlay film being made of the deposit of fiber in electrostatic spray process, into Row liquor painting process, thus formed the porosity overlay film fiber between and/or fiber surface formed covering there are the liquor Film.Close fitting, the transparency of overlay film when maintaining or promoting visual of overlay film is promoted as a result,.It is especially nothing in overlay film In the case that color is transparent or colored transparent, due to being more difficult to recognize overlay film, so as to appear as natural skin.Separately Outside, in the case where overlay film is colored transparent, since overlay film generates transparent feel, a part of skin can be appeared as.

As being in liquid oil at 20 DEG C, such as different alkane of atoleine, light isoparaffins, liquid can be enumerated The hydrocarbon ils of the linear chain or branched chain of hydrocarbon, saualane, squalene etc.；The vegetable oil such as jojoba oil, olive oil, liquid lanolin etc. move The ester oil of object oil, monohydric alcohol fatty acid esters, polyol fatty acid ester etc.；Dimethyl polysiloxane, dimethyl cyclopolysiloxane, first The silicone oil etc. of base phenyl polysiloxane, methylhydrogenpolysi,oxane, higher alcohol modified organopolysiloxane etc..In these, from coating When the use feelings such as slickness in terms of set out, preferably hydrocarbon ils, ester oil, the vegetable oil containing triglycerides etc., silicone oil etc. Polar oil, more preferably hydrocarbon ils, ester oil and triglycerides.Further, it is possible to use a kind or combination of the liquid oil in these Use two or more.

As above-mentioned hydrocarbon ils, atoleine, saualane, squalene, normal octane, normal heptane, hexamethylene, lightweight can be enumerated Isoparaffin, liquid isoparaffin etc., from the viewpoint of use feeling, be preferably selected from atoleine, a kind in saualane or Two or more.In addition, the overlay film after making electrostatic spray fits closely from the viewpoint of skin, the viscosity at 30 DEG C of hydrocarbon ils Preferably 10mPas or more, more preferably 30mPas or more.Consider from the viewpoint, viscosity is less than 10mPas's at 30 DEG C The total content of Permethyl 99A, isohexadecane, Parleam in liquor is preferably 10 mass % or less, more preferably 5 It quality % or less, further preferably 1 mass % or less, is even more preferably 0.5 mass % hereinafter, can also not contain.

Similarly, the overlay film after making electrostatic spray fits closely from the viewpoint of skin, and ester oil and silicone oil are at 30 DEG C Under viscosity be preferably 10mPas or more, more preferably 30mPas or more.

Herein viscosity at 30 DEG C using BM type viscosimeter (Tokimec, Inc. manufacture, determination condition: rotor No.1, 60rpm, 1 minute) it is measured.

It is cetyl -1,3- dimethyl butyl ether, dioctyl ether, dialuryl ether, two different hard in addition, from the same viewpoint Total content of the ether oils such as aliphatic radical ether in liquor is preferably 10 mass % or less, is more preferably 5 mass % or less, is further excellent It is selected as 1 mass % or less.

In addition, as aforesaid liquid shape oil, it can also be it is preferable to use being in liquid polar oil at 20 DEG C, as its example Son, can enumerate ester oil, the vegetable oil (triglycerides) containing ester oil, branched chain fatty acid or unsaturated fatty acid higher alcohol, Preservative, silicone oil etc..These liquid oil can be used alone or two or more is applied in combination.

As above-mentioned ester oil, alcohol or polyalcohol by the fatty acid of linear chain or branched chain and linear chain or branched chain can be enumerated and constituted Ester.Specifically, isopropyl myristate, Octanoic acid, hexadecyl ester, myristic acid octyldodecyl, palmitinic acid can be enumerated Isopropyl ester, butyl stearate, lauric acid hexyl ester, myristyl myristate, decyl oleate, dimethyl octanoic acid hexyl decyl ester, Cetyl lactate, Tetradecyl lactate, lanolin acetate, Standamul 7061, the different cetyl of isostearic acid, 12- hydroxyl Stearic acid cholesteryl ester, two (2 ethyl hexanoic acid) glycol esters, dipentaerythritol aliphatic ester, single isostearic acid N- alkyl diol Ester, two capric acid neopentyl glycol ester, the different stearyl ester of malic acid two, two (2- heptylundecanoic acid) glyceride, trimethylolpropane tris (2 ethyl hexanoic acid) ester, trimethylolpropane tris isostearate, four (2 ethyl hexanoic acid) pentaerythritol esters, three (2- ethyl hexyls Acid) glyceride, trimethylolpropane tris isostearate, 2 ethyl hexanoic acid cetyl, palmitinic acid 2- ethylhexyl, naphthalenedicarboxylic acid Ethylhexyl, benzoic acid (carbon atom number 12~15) Arrcostab, isononanoic acid cetearyl alcohol ester, three (caprylic capric) glycerol It is ester, (two caprylic/caprics) butanediol ester, laurin, myristin, tripalmitin, three different Tristerin, three (2- heptylundecanoic acid) glyceride, tribehenin acid glyceride, three cocoglycerides, castor-oil plant Soyate, oleyl oleate, palmitinic acid 2- heptylundecanoic base ester, diisobutyl adipate, N- lauroyl-L- paddy ammonia Acid -2- octyldodecyl, adipic acid two (2- heptylundecanoic base) ester, ethyl laurate, (the 2- ethyl hexyl of decanedioic acid two Base) ester, myristic acid 2- hexyl decyl ester, palmitinic acid 2- hexyl decyl ester, adipic acid 2- hexyl decyl ester, decanedioic acid diisopropyl Ester, succinic acid two (2- ethylhexyl) ester, triethyl citrate, p-methoxycinnamic acid 2- ethylhexyl, two neopentanoic acids three Propylene glycol ester etc..

In these, from fitting closely the overlay film of electrostatic spray in the viewpoint of skin and feeling when being coated on skin From the viewpoint of excellent, it is preferably selected from the different spermaceti of myristic acid octyldodecyl, myristyl myristate, stearic acid The different cetyl of ester, isostearic acid, isononanoic acid cetearyl alcohol ester, diisobutyl adipate, decanedioic acid two (2- ethylhexyl) ester, meat Isopropyl myristate, isopropyl palmitate, the different stearyl ester of malic acid two, two capric acid neopentyl glycol ester, benzoic acid (carbon atom number 12 ~15) Arrcostab, one kind or two or more in three (caprylic capric) glyceride, more preferably selected from isopropyl myristate, Isopropyl palmitate, the different stearyl ester of malic acid two, two capric acid neopentyl glycol ester, benzoic acid (carbon atom number 12~15) Arrcostab, It is one kind or two or more in three (caprylic capric) glyceride, further preferably it is selected from two capric acid neopentyl glycol ester, benzoic acid It is one kind or two or more in (carbon atom number 12~15) Arrcostab, three (caprylic capric) glyceride.

As triglycerides, preferably fatty acid triglycercide, including for example olive oil, jojoba oil, macadimia nut oil, White awns caul-fat, castor oil, safflower oil, sunflower oil, avocado oil, rapeseed oil, apricot kernel oil, rice germ oil, rice bran oil etc..

As higher alcohol, the higher alcohol for the liquid that carbon atom number is 12~20 can be enumerated, different tristearin can be specifically enumerated Alcohol, oleyl alcohol etc..

As preservative, can enumerate phenoxetol, methyl p-hydroxybenzoate, ethylaminobenzoate, to hydroxyl Yl benzoic acid isobutyl ester, p-Hydroxybenzoic acid isopropyl ester, ethyl-para-hydroxybenzoate, butyl p-hydroxybenzoate, para hydroxybenzene Propyl formate, benzyl p-hydroxybenzoate, ethohexadiol etc..

As silicone oil, dimethyl polysiloxane, dimethyl cyclopolysiloxane, methyl phenyl silicone, first can be enumerated Base hydrogen polysiloxanes, higher alcohol modified organopolysiloxane etc..

The kinematic viscosity of silicone oil at 25 DEG C, the overlay film after making electrostatic spray fit closely from the viewpoint of skin, Preferably 3mm²/ s, more preferably 4mm²/ s, further preferably 5mm²/ s or more, and preferably 30mm²/ s or less, more preferably For 20mm²/ s or less, further preferably 10mm²/ s or less.

In these, from the overlay film of electrostatic spray is fitted closely from the viewpoint of skin, the poly- silicon of dimethyl is preferably comprised Oxygen alkane.

In above-mentioned liquor the content of liquid oil be preferably 0.1 mass % or more, more preferably 0.5 mass % or more, into One step is preferably 5 mass % or more.Additionally, it is preferred that being 100 mass % or less.The content of liquid oil is preferably 0.1 in liquor Quality % or more and 100 mass % or less, more preferably 0.5 mass % or more and 100 mass % or less.

In addition, can also further contain polyalcohol in above-mentioned liquor.It is polynary as this in the case where containing polyalcohol Alcohol can enumerate the aklylene glycol class such as ethylene glycol, propylene glycol, 1,3-PD, 1,3-BDO；Diethylene glycol, The polyalkylene glycols of dipropylene glycol, polyethylene glycol, polypropylene glycol etc.；The glycerols etc. of glycerol, two glycerol, triglycerin etc.. In these, considers from the use feeling of the smoothness etc. when coating, be preferably selected from ethylene glycol, propylene glycol, 1,3-BDO, dipropyl It is glycol, polyethylene glycol, glycerol, one kind or two or more in two glycerol, more preferably propylene glycol, 1,3-BDO, glycerol, into one Step is preferably selected from propylene glycol, a kind or 2 kinds in 1,3 butylene glycol.

From promoted be formed by by electrostatic spraying processes overlay film and site of administration it is close fitting from the viewpoint of, liquor It is preferred that having at 25 DEG C for 5000mPas or so viscosity below.The measuring method of the viscosity of liquid is as described above.

When liquor containing polyalcohol or liquid oil is coated on skin, the various sides other than electrostatic spraying processes can be used Method.For example, liquor is applied to skin by the methods of having to be added dropwise or spread down, the process that liquor coating is extended, from And it is made to be blended in skin or overlay film, the thin layer of the liquor can be formed.It, can be using for example by the process of liquor coating extension The tools such as finger or the application member of user are utilized the methods of to nuzzle up.Can also only liquor be added dropwise or be spread down, but is logical The process for having coating extension is crossed, it can be made to be blended in skin or overlay film, can sufficiently promote the close fitting of overlay film.Make For other methods, liquor can also be sparged into skin and form the thin layer of the liquor.In this case, it does not need especially another Outer coating extension, but after spraying even the operation of execution coating extension.In addition, the case where applying liquor after overlay film is formed Under, to the sufficient liquor of dermal administration, process of the extra liquor by making sheet material be contacted with the range that liquor is applied can be with Remove extra liquor.

Liquor is coated on to the amount of skin by the method other than electrostatic spray, as long as promoting the close of skin and overlay film Full amount needed for stickiness.In the case where in liquor containing liquid oil, from the close patch for making skin and overlay film Close property more really from the viewpoint of, liquor is applied to the amount of skin, is set as in terms of the base weight of liquid oil, is preferably become 0.1g/m²Above, more preferably become 0.2g/m²Above amount, and preferably become 40g/m²Below, more preferably become 35g/m²With Under amount.For example, liquor to be applied to the amount of skin, it is set as in terms of the base weight of liquid oil, preferably becomes 0.1g/m²Above and 40g/m²Below, more preferably become 0.2g/m²Above and 35g/m²Amount below.

Furthermore liquor is applied to the amount of skin or overlay film, from the close fitting viewpoint of promotion skin and overlay film, is mentioned From the viewpoint of rising the transparency, preferably 5g/m²Above, it is more preferably 10g/m²It above, is more preferably 15g/m²More than, And preferably 50g/m²Below, it is more preferably 45g/m²Below.

The manufacturing method of overlay film present invention as described above is not as using the operation of human body, treatment or diagnostic method as mesh Beauty method be useful.

More than, the present invention is illustrated based on preferred embodiment, but present invention is not limited to the embodiments described above.Such as In above embodiment, it is desirable to which the people for forming overlay film on the skin of oneself holds electrostatic atomizer 10, in the device 10 Electric field is generated between electric conductivity nozzle and the skin of the people, but as long as generating electric field therebetween, does not need to want certainly The people that overlay film is formed on oneself skin holds electrostatic atomizer 10.

About above embodiment, the present invention further discloses the manufacturing method of overlay film below.

<1>manufacturing method of the overlay film on a kind of skin, which is characterized in that ingredient (a), ingredient (b) and ingredient will be contained (c) the direct electrostatic spray of composition is in skin.

(b) with the polymer of overlay film Forming ability；

(c) be at 20 DEG C solid-like oil.

<2>manufacturing method of the overlay film as described in<1>, wherein further before or after electrostatic spray process, have The process for being coated on skin in the liquor of the ingredient in liquid oil at polyalcohol and 20 DEG C will be contained.

<3>manufacturing method of the overlay film as described in<1>or<2>, wherein ingredient (c) is derivative selected from wax, cholesterol Object, phytosterol analog derivative, dipentaerythritol fatty acid ester, triglyceride, lanolin, lanosterol analog derivative, It is at least one kind of in vaseline, ceramide type, higher alcohol and higher fatty acids.

<4>manufacturing method of the overlay film as described in any one of<1>~<3>, wherein the electrostatic spray uses electrostatic Mist device carries out, the electrostatic atomizer have the container for accommodating the composition, the nozzle for spraying the composition, will The composition being contained in the container supplies to the feedway of the nozzle and applies alive electricity to the nozzle Source.

<5>manufacturing method of the overlay film as described in any one of above-mentioned<1>~<4>, wherein the volatility object of ingredient (a) Its vapour pressure of matter at 20 DEG C be preferably 0.01kPa or more and 106.66kPa hereinafter, more preferably 0.13kPa or more and 66.66kPa hereinafter, further preferably 0.67kPa or more and 40.00kPa hereinafter, even more preferably be 1.33kPa or more And 40.00kPa or less.

<6>manufacturing method of the overlay film as described in any one of above-mentioned<1>~<5>, wherein the volatility object of ingredient (a) Matter is alcohol, as the alcohol, is preferably selected from the chain type aliphatic alcohol, the ring type aliphatic alcohol of unitary and the fragrance of unitary of unitary It is one kind or two or more in race's alcohol, as the alcohol, more preferably in ethyl alcohol, isopropanol, butanol, benzyl carbinol, propyl alcohol, amylalcohol It is one kind or two or more.

<7>manufacturing method of the overlay film as described in any one of above-mentioned<1>~<6>, wherein the volatility object of ingredient (a) Matter be it is one kind or two or more in ethyl alcohol, isopropanol, butanol and water, a kind or 2 more preferably in ethyl alcohol and butanol Kind, further preferably containing the volatile materials of ethyl alcohol.

<8>manufacturing method of the overlay film as described in any one of above-mentioned<1>~<7>, wherein the ingredient in the composition (a) content is preferably 50 mass % or more, more preferably 55 mass % or more, is more preferably 60 mass % or more, separately Outside, preferably 98 mass % or less, more preferably 96 mass % or less, further preferably 94 mass % are hereinafter, the combination The content of ingredient (a) in object is preferably 50 mass % or more and 98 mass % or less, more preferably 55 mass % or more and 96 Quality % or less, further preferably 60 mass % or more and 94 mass % or less.

<9>manufacturing method of the overlay film as described in any one of<1>~<8>, wherein ingredient (b) can enumerate Propiram Sugar, hyaluronic acid, chondroitin sulfate, poly-gamma-glutamic acid, modified corn starch, beta glucan, glucose oligosaccharide, heparin, sulphur The mucopolysaccharide of tamarind quality etc.；Cellulose, pectin, xylan, lignin, glucomannans, galacturonic acid, psyllium seed gum, It is tamarind gum, Arabic gum, bassora gum, soybean water-soluble polysaccharide, alginic acid, carragheen, laminariose, agar (agarose), brown The natural polymer of algae carbohydrate gum, methylcellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose etc.；Partly-hydrolysed polyethylene Alcohol (the case where not being used in combination with crosslinking agent), low saponified polyvinyl alcohol, polyvinylpyrrolidone (PVP), polyethylene oxide, poly- third Synthesis macromolecule of olefin(e) acid sodium etc. etc..These water-soluble polymers can individually or two or more, be preferably selected from pulullan, And a kind or 2 kinds in portion's saponified polyvinyl alcohol, low saponified polyvinyl alcohol, polyvinylpyrrolidone and polyethylene oxide with On.

<10>manufacturing method of the overlay film as described in any one of above-mentioned<1>~<9>, wherein ingredient (b) is selected from covering Film can be carried out after being formed insoluble processing fully saponified polyvinyl alcohol, can after overlay film is formed and being used in combination with crosslinking agent To carry out partly-hydrolysed polyvinyl alcohol, poly- (the N- propiono ethylenimine) graft-dimethyl siloxane/γ-of crosslinking Treatment Oxazoline modified silicone, the polyvinyl acetal lignocaine acetic acid esters, corn of aminopropylmethylsiloxane copolymer etc. Albumen (main component of corn protein), polyester, polylactic acid (PLA), polyacrylonitrile resin, polymethacrylate resin etc. Acrylic resin, polyvinyl butyral resin, pet resin, gathers to benzene two polystyrene resin Formic acid butanediol ester resin, polyurethane resin, polyamide, polyimide resin, a kind in polyamide-imide resin or Insoluble polymer of more than two kinds, the fully saponified of insoluble processing can be carried out after overlay film is formed by being more preferably selected from Polyvinyl alcohol, gathers the partly-hydrolysed polyvinyl alcohol that can carry out crosslinking Treatment after overlay film is formed and being used in combination with crosslinking agent Vinyl butyral resin, polyurethane resin, poly- (N- propiono ethylenimine) graft-dimethyl siloxane/gamma-amino third The oxazoline modified silicone of methyl siloxane copolymer etc., polyvinyl acetal lignocaine acetic acid esters, in zein One kind or two or more insoluble polymer, further preferably be selected from polyvinyl butyral resin and polyurethane resin In one kind or two or more insoluble polymer.

<11>manufacturing method of the overlay film as described in any one of above-mentioned<1>~<10>, wherein in the composition at The content of (b) is divided to be preferably 2 mass % or more, more preferably 4 mass % or more, be more preferably 6 mass % or more, separately Outside, preferably 50 mass % or less, more preferably 45 mass % or less, further preferably 40 mass % are hereinafter, the combination The content of ingredient (b) in object is preferably 2 mass % or more and 50 mass % hereinafter, more preferably 4 mass % or more and 45 matter % is measured hereinafter, further preferably 6 mass % or more and 40 mass % or less.

<12>manufacturing method of the overlay film as described in any one of above-mentioned<1>~<11>, wherein in the composition at The content for dividing (c) is preferably 0.01 mass % or more, more preferably 0.05 mass % or more, further preferably 0.1 mass % More than, and preferably 15 mass % or less, more preferably 12 mass % or less, further preferably 10 mass % or less.

<13>manufacturing method of the overlay film as described in any one of above-mentioned<1>~<12>, wherein in the composition at The content mass ratio (b/c) of point (b) and ingredient (c) is preferably 0.5 or more and 150 or less, more preferably 1 or more and 130 or less, Further preferably 1.2 or more and 120 or less.

<14>manufacturing method of the overlay film as described in any one of above-mentioned<1>~<13>, wherein use electrostatic atomizer Carry out electrostatic spraying processes,

The electrostatic atomizer has nozzle,

The nozzle by headed by metal various electric conductors or the electrical insulators such as plastics, rubber, ceramics constituted, being made can To spray the shape of the composition by its front end.

<15>manufacturing method of the overlay film as described in any one of above-mentioned<1>~<14>, wherein use electrostatic atomizer Carry out electrostatic spraying processes,

The electrostatic atomizer has nozzle and shell,

It is configured with the nozzle in one end of the length direction of the shell,

The nozzle so that the emission direction of the composition and the shell vertical consistency, and towards skin side in convex The mode of shape is configured in the shell.

<16>manufacturing method of the overlay film as described in any one of above-mentioned<1>~<15>, wherein for the spraying group Object is closed, so that the volatile materials as solvent is volatilized from drop, keeps the polymer with overlay film Forming ability as solute solid Change, while elongation strain is allowed to by potential difference and forms fiber.

<17>manufacturing method of the overlay film as described in any one of above-mentioned<1>~<16>, wherein use electrostatic atomizer Carry out electrostatic spraying processes,

The electrostatic atomizer has nozzle,

The distance between the nozzle and skin are set as 50mm or more and 150mm or less.

<18>manufacturing method of the overlay film as described in any one of above-mentioned<1>~<17>, wherein pass through electrostatic spraying processes shape At the base weight of overlay film be preferably 0.1g/m²Above, it is more preferably 1g/m²More than, and preferably 30g/m²Below, more preferably 20g/m²Hereinafter, the base weight of overlay film is preferably 0.1g/m²Above and 30g/m²Hereinafter, more preferably 1g/m²Above and 20g/m²With Under.

<19>manufacturing method of the overlay film as described in any one of<1>~<18>, the content ratio of ingredient (a) and ingredient (b) Rate ((a)/(b)) is 0.5 or more and 40 or less, preferably 1 or more and 30 or less, more preferably 2 or more and 25 or less.

<20>manufacturing method of the overlay film as described in any one of<7>~<18>, wherein ethyl alcohol (a) contains with ingredient (b) Measuring ratio ((a)/(b)) is 0.5 or more and 40 or less, preferably 1 or more and 30 or less, more preferably 2 or more and 25 or less.

<21>manufacturing method of the overlay film as described in any one of<1>~<20>, wherein further contain in the composition There are 10 mass % glycols below.

<22>manufacturing method of the overlay film as described in any one of<1>~<21>, wherein ingredient (a) is at least to contain second The volatile materials of alcohol, ingredient (b) are one kind or two or more in polyvinyl butyral resin and polyurethane resin.

<23>manufacturing method of the overlay film as described in any one of<1>~<22>, wherein ingredient (a) is at least to contain second The volatile materials of alcohol, and further contain 10 mass % glycols below.

<24>manufacturing method of the overlay film as described in any one of<1>~<23>, wherein ingredient (a) is at least to contain second The volatile materials of alcohol, the content of the ethyl alcohol in volatile materials is 50 mass % or more and 100 mass % are hereinafter, and contain 10 mass % glycols below.

<25>manufacturing method of the overlay film as described in any one of<1>~<24>, wherein the content of ingredient (a) is described Be 30 mass % or more and 98 mass % in composition hereinafter, ingredient (b) content it is spraying be 2 mass % in composition with Upper and 50 mass % hereinafter, ingredient (c) content it is spraying in composition for 0.001 mass % or more and 50 mass % with Under.

<26>manufacturing method of the overlay film as described in any one of<1>~<24>, wherein the content of ingredient (a) is described Be 55 mass % or more and 96 mass % in composition hereinafter, ingredient (b) content it is spraying be 4 mass % in composition with Upper and 45 mass % are hereinafter, the content of ingredient (c) is used in composition spraying as 0.01 mass % or more and 30 mass % or less.

<27>manufacturing method of the overlay film as described in any one of<1>~<24>, wherein the content of ingredient (a) is described Be 60 mass % or more and 94 mass % in composition hereinafter, ingredient (b) content it is spraying be 6 mass % in composition with Upper and 40 mass % are hereinafter, the content of ingredient (c) is used in composition spraying as 0.1 mass % or more and 15 mass % or less.

<28>manufacturing method of the overlay film as described in any one of<1>~<27>, wherein ingredient (a) is at least to contain second The volatile materials of alcohol, ingredient (b) are one kind or two or more in polyvinyl butyral resin and polyurethane resin.

<29>manufacturing method of the overlay film as described in any one of<1>~<28>, wherein ingredient (a) is at least to contain second The volatile materials of alcohol, and further contain 10 mass % glycols below.

<30>manufacturing method of the overlay film as described in any one of<1>~<29>, wherein ingredient (a) is at least to contain second The volatile materials of alcohol, the content of the ethyl alcohol in volatile materials is 50 mass % or more and 100 mass % are hereinafter, and contain 10 mass % glycols below.

Embodiment

Hereinafter, the present invention is described in more detail by embodiment.However, the scope of the present invention is not restricted to these realities Apply example.Unless otherwise specified, " % " refers to " quality % ".

[embodiment 1]

(1) modulation of composition is used by spraying

With the ingredient (a) of composition, using ethyl alcohol, (and Wako Pure Chemical Industries company is manufactured: trade name ethyl alcohol as spraying (99.5)).With the ingredient (b) of composition, (ponding chemical industrial company is manufactured: commodity using polyvinyl butyral as spraying Name S-LEC B BM-1).With the ingredient (c) of composition, (higher alcohol industrial group is manufactured: trade name using cetanol as spraying CETANOL NX).It is as shown in table 1 with the mixing ratio in composition by spraying.In addition, amount of alcohol shown in table 1 is effective quantity, and And it is not aqueous.

(2) liquor application process

(2-1) other than applying the process of finish before electrostatic spray process, remaining is formed similarly to Example 1 Overlay film.As finish, The Nisshin OilliO Group, the ESTEMOL N-01 of Ltd. manufacture have been used.

(2-2) applies lotion before electrostatic spray process.As lotion, ALBLANC MEDICATED is used EMULSION IV (flower king manufacture).

(3) electrostatic spray process

Using with structure shown in FIG. 1 and with appearance shown in Fig. 2 electrostatic atomizer 10, directly towards skin It carries out electrostatic spraying processes 20 seconds.The condition of electrostatic spraying processes is as follows.

Apply voltage: 10kV

Nozzle is at a distance from skin: 100mm

The spray volume of composition: 5mL/h is used by spraying

Environment: 25 DEG C, 30%RH

By the electrostatic spray, the form as the sheet of membrane being made of the deposit of fiber is formed on the surface of skin Overlay film.Overlay film is the circle of diameter about 4cm, quality about 3.8mg.The rugosity of the fiber in the above way measured is 660nm.

[2~embodiment of embodiment 14]

In addition to will by spraying with the ingredient (a) of composition, (b) and (c) be changed to condition shown in table 4 other than, remaining and reality It applies example 1 to be carried out similarly, carries out electrostatic spray process, obtain the overlay film being made of the deposit of fiber.

[1~comparative example of comparative example 3]

Electrostatic spray is not carried out, and the composition of table 1 and liquor are coated on skin with finger.

[evaluation]

For the overlay film formed in Examples and Comparative Examples, with benchmark evaluation below and skin it is close fitting, cover Film outward appearance.The results are shown in table 2.

1: overlay film almost all is removed after the electrostatic spray in rigid electrostatic spray process.

2: although just overlay film adheres to after the electrostatic spray in electrostatic spray process, after stationary state lower 30 minutes, overlay film 50% or more of area is removed.

3: although just overlay film adheres to after the electrostatic spray in electrostatic spray process, after stationary state lower 30 minutes, overlay film Area is removed less than 50%.

4: after the electrostatic spray in electrostatic spray process, the lower 30 minutes overlay films adherency of stationary state, but if with finger Apply shearing force in a parallel direction, then it can be peeling-off.

5: after the electrostatic spray in electrostatic spray process, the lower 30 minutes overlay films adherency of stationary state, even if being existed with finger Apply shearing force in parallel direction also not remove.

It is conducted the following evaluation immediately after newly formed overlay film.Overlay film is formed on the inside of forethiga by professional evaluator, With 100g weight/cm on being formed by overlay film²Finger is slided, and evaluates sticky feeling.The evaluation of sticky feeling is that overlay film is complete Completely without tacky and use feeling it is most excellent be evaluated as " 5 ", it is overlay film is tacky and use feeling is not good is evaluated as " 1 ", carry out 5 The evaluation of grade.Evaluation result is indicated with the average value of the evaluation result of 3 professional evaluators.

After forming overlay film, evaluated using muffin.Overlay film is formed on the inside of forethiga by professional evaluator, in institute Make the powder puff of muffin coating with 100g weight/cm on the overlay film of formation²Sliding, and evaluate adhesion.The adhesion of foundation cream Evaluation is will to be equably attached to overlay film and what use feeling was most excellent is evaluated as " 5 ", and foundation cream is adhered to uneven and use feeling not It is good to be evaluated as " 1 ", carry out the evaluation of 5 grades.Evaluation result is with the average value of the evaluation result of 3 professional evaluators It indicates.

[table 2]

Result as shown in Table 2 can define, and compared with the method by comparing example is formed by overlay film, pass through each implementation The method of example be formed by overlay film and skin it is close fitting it is high, sticky feeling is few and usability is good.Furthermore muffin is equably It is attached to overlay film, color make-up works well.Thinking that the promotion effect of the usability of the overlay film of the method for the present invention is based not only on only makes to make Agent film is present on skin, and is based on being evenly distributed on overlay film and equably existing on the skin.

The explanation of symbol:

10 electrostatic atomizers

11 low voltage power supply

12 high-voltage power supplies

13 auxiliary circuits

14 Mini gear pumps

15 containers

16 nozzles

17 pipelines

18 flexible tubings

19 current-limiting resistances

20 shells

Claims

1. a kind of manufacturing method of the overlay film on skin, which is characterized in that

Will the direct electrostatic spray of composition containing ingredient (a), ingredient (b) and ingredient (c) in skin,

(b) with the polymer of overlay film Forming ability；

(c) be at 20 DEG C solid-like oil.

2. the manufacturing method of overlay film as described in claim 1, wherein

Further before or after electrostatic spray process, having will contain at polyalcohol and 20 DEG C in liquid oil 1 kind or more of liquor process that skin is coated on by the method other than electrostatic spray.

3. the manufacturing method of overlay film as claimed in claim 1 or 2, wherein

Ingredient (c) is selected from wax, cholesterol derivative, phytosterol analog derivative, dipentaerythritol fatty acid ester, glycerol At least 1 in three esters, lanolin, lanosterol analog derivative, vaseline, ceramide type, higher alcohol and higher fatty acids Kind.

4. the manufacturing method of overlay film according to any one of claims 1 to 3, wherein

The electrostatic spray is carried out using electrostatic atomizer, and the electrostatic atomizer has the appearance for accommodating the composition Device, the nozzle for spraying the composition supply the composition being contained in the container to the supply dress of the nozzle It sets and alive power supply is applied to the nozzle.

5. the manufacturing method of overlay film as described in any one of claims 1 to 4, wherein

Ingredient (a) is selected from one or more of ethyl alcohol, isopropanol, butanol and water.

6. such as the manufacturing method of overlay film according to any one of claims 1 to 5, wherein

Ingredient (a) is volatile materials at least containing ethyl alcohol.

7. such as the manufacturing method of overlay film according to any one of claims 1 to 6, wherein

Ingredient (a) is volatile materials at least containing ethyl alcohol, in volatile materials the content of ethyl alcohol be 50 mass % or more and 100 mass %.

8. such as the manufacturing method of overlay film according to any one of claims 1 to 7, wherein

The content of ingredient (a) is 30 mass % or more and 98 mass % or less in the composition.

9. such as the manufacturing method of overlay film according to any one of claims 1 to 8, wherein

Ingredient (b) is selected from fully saponified or partly-hydrolysed polyvinyl alcohol, polyvinyl butyral resin, polyurethane resin, evil It is one kind or two or more in oxazoline modified silicone, water-soluble polyester and zein.

10. such as the manufacturing method of overlay film according to any one of claims 1 to 9, wherein

Ingredient (b) is one kind or two or more in polyvinyl butyral resin and polyurethane resin.

11. such as the manufacturing method of overlay film according to any one of claims 1 to 10, wherein

The content of ingredient (b) is 2 mass % or more and 50 mass % or less in composition in spraying use.

12. the manufacturing method of the overlay film as described in any one of claim 1~11, wherein

Content ratio (a)/(b) of ingredient (a) and ingredient (b) is 0.5 or more and 40 or less.

13. the manufacturing method of the overlay film as described in any one of claim 6~12, wherein

Content ratio (a)/(b) of ethyl alcohol (a) and ingredient (b) is 0.5 or more and 40 or less.

14. the manufacturing method of the overlay film as described in any one of claim 1~13, wherein

The content of ingredient (c) is 0.01 mass % or more and 15 mass % or less in the composition.

15. the manufacturing method of the overlay film as described in any one of claim 1~14, wherein

Content ratio (b)/(c) of ingredient (b) and ingredient (c) is 0.5 or more and 50 or less.

16. the manufacturing method of the overlay film as described in any one of claim 1~15, wherein

The content of glycols is 10 mass % or less in the composition.