JP2003012930A - Polyorganosiloxane emulsion composition and raw material for cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stable polyorganosiloxane emulsion composition excellent in humectation and smoothness to exhibit cosmetic functions and a raw material for a cosmetic comprising the emulsion composition. SOLUTION: The polyorganosiloxane emulsion composition comprises (A) a polyorganosiloxane, (B) an N-acylalkyltaurin and/or a salt thereof and (C) water, where the content of a cyclic organosiloxane oligomer in the component (A) is 3.5 wt.% or less. The raw material for a cosmetic comprises the polyorganosiloxane emulsion composition.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a polyorganosiloxane emulsion composition and a cosmetic raw material comprising the composition. More particularly, it relates to a stable polyorganosiloxane emulsion composition having excellent moisturizing and smoothing cosmetic functionality, and a cosmetic raw material having excellent compatibility with skin and hair.

[0002]

2. Description of the Related Art A low-molecular-weight cyclic organosiloxane is emulsified and dispersed in water in the presence of a surfactant and a polymerization catalyst to carry out ring-opening polymerization, whereby a high-molecular-weight organopolysiloxane having a wide viscosity range from silicone oil to silicone gum. It is known that
Japanese Patent Publication No. 34-2041, Japanese Patent Publication No. 41-13995
Japanese Patent Publication, Japanese Patent Publication No. 43-18800 and Japanese Patent Publication No. 4800
It is disclosed in Japanese Unexamined Patent Publication No. 4-20116.

As the low molecular weight organosiloxane used for such emulsion polymerization, emulsion / ring-opening polymerization is easy.
In addition, a cyclic organosiloxane oligomer such as octamethylcyclotetrasiloxane is generally used because it is easily available. However, since ring-opening polymerization of a cyclic organosiloxane oligomer is an equilibrium reaction, 8 to 15% by weight of cyclic organosiloxane oligomer such as octamethylcyclotetrasiloxane usually exists in the polyorganosiloxane after emulsion polymerization. However, there is a drawback that the physical stability of the emulsified system may decrease due to volatilization of this oligomer. Further, when a large amount of hair cosmetics containing such an emulsion is used in a beauty salon, especially when accompanied by a heat blow treatment, the volatilized cyclic organosiloxane oligomer stains the surrounding ventilation fan system. Or, the contact environment of various electric devices such as a fan heater may be caused to pollute the surrounding environment. Furthermore, when such an emulsion is used in a skin cosmetic, the feel of the cosmetic may be impaired due to volatilization of the siloxane oligomer.

Therefore, when the polyorganosiloxane emulsion is used for cosmetics, it has been required to suppress the content of the cyclic organosiloxane oligomer. However, it was difficult to remove only the remaining cyclic organosiloxane without destroying the polyorganosiloxane emulsion after emulsion polymerization.

On the other hand, JP-B-41-13995, JP-A-63-265924 and JP-A-4-178.
No. 429 discloses a polydiorganosiloxane whose molecular chain ends are capped with silanol groups in water in the presence of a sulfonic acid catalyst having a surface-active action such as benzenesulfonic acid substituted with an aliphatic hydrocarbon group. It is described that after emulsification using a high-pressure homogenizer, the mixture is allowed to stand at room temperature for polymerization.

As described above, when an emulsion of a high molecular weight polyorganosiloxane is prepared by emulsion polymerization, an alkylbenzene sulfone such as dodecylbenzenesulfonic acid, which is easily emulsified and easily available, is usually used as a polymerization catalyst which also serves as a surfactant. Acid is used.

However, the use of alkylbenzene sulfonic acid has a drawback that its salt remains in the emulsion even after neutralization after the polymerization, resulting in coloring due to ultraviolet rays depending on the application. Also, because of its low biodegradability,
Another problem was that it had a large impact on the environment. Furthermore, when a polyorganosiloxane emulsion emulsified with alkylbenzene sulfonic acid is used as a raw material for cosmetics,
Alkylbenzene sulphonate has strong detergency and thus excessively irritates the skin, scalp and hair, which not only reduces the usability of cosmetics, but also itches and rashes on the skin, scalp dandruff and hair damage. There is a drawback that it may cause the like.

[0008]

The present inventors have arrived at the present invention as a result of extensive studies to solve the above problems.
That is, an object of the present invention is to provide a stable polyorganosiloxane emulsion composition having cosmetic functionality excellent in moisture and smoothness, and a cosmetic raw material comprising the emulsion composition.

[0009]

The present invention comprises (A) a polyorganosiloxane, (B) an N-acylalkyltaurine and / or a salt thereof and (C) water, and comprises a cyclic organoorganic component in the component (A). The present invention relates to a polyorganosiloxane emulsion composition having a siloxane oligomer content of 3.5% by weight or less, and a cosmetic raw material comprising the polyorganosiloxane emulsion composition.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below.

The polyorganosiloxane (A) is generally linear, partially branched or branched. Examples of the organic group bonded to the silicon atom include a substituted or unsubstituted monovalent hydrocarbon group, and specifically, a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, a hexyl group, a heptyl group, Saturated aliphatic hydrocarbon groups such as octyl group, decyl group and dodecyl group; unsaturated aliphatic hydrocarbon groups such as vinyl group, allyl group and hexenyl group; saturated alicyclic hydrocarbon groups such as cyclopentyl group and cyclohexyl group; Aromatic hydrocarbon groups such as phenyl group, tolyl group, naphthyl group, and hydrogen atoms partially bonded to carbon atoms of these groups are halogen atoms or epoxy groups, carboxyl groups, amino groups, methacryl groups, mercapto groups, etc. Examples are groups substituted with an organic group containing. Incidentally, this polyorganosiloxane may contain a hydroxyl group or an alkoxy group bonded to a silicon atom. Specifically, α, ω-dihydroxypolydimethylsiloxane, α
-Hydroxy-ω-trimethylsiloxy-polydimethylsiloxane, α, ω-dimethoxypolydimethylsiloxane, α-methoxy-ω-trimethylsiloxy-polydimethylsiloxane, α, ω-diethoxypolydimethylsiloxane, α-ethoxy-ω- Trimethylsiloxy-polydimethylsiloxane, α, ω-di (trimethylsiloxy) polydimethylsiloxane, cross-linked methylpolysiloxane having a molecular chain end blocked with a silanol group, a methoxy group, an ethoxy group or a trimethylsiloxy group, and poly (siloxanes) thereof. Some of the methyl groups in the organosiloxane are
Ethyl group, phenyl group, vinyl group, 3-aminopropyl group, N- (2-aminoethyl) -3-aminopropyl group, 3-methacryloxypropyl group, 3-glycidoxypropyl group, 3-carboxypropyl group An organopolysiloxane substituted with is mentioned. The viscosity at 25 ° C. is preferably 100 to 100,000,000 mPa · s, and preferably 1,000 to 10,000,000 m.
Pa · s is more preferable, and it is 5,000 to 5.0.
More preferably, it is 00000 mPa · s,
Very preferably, it is 100,000 to 5,000,000 mPa · s. The content of the cyclic organosiloxane oligomer in the component (A) is 3.5% by weight or less,
It is preferably 3.0% by weight or less, more preferably 2.5% by weight or less, still more preferably 2.0% by weight or less. The cyclic organosiloxane oligomer referred to in the present invention is a mixture of cyclic organosiloxanes having 4 to 8 silicon atoms (tetramer to octamer). Above all, the content of the cyclic organosiloxane tetramer is preferably 2.0% by weight or less, more preferably 1.5% by weight or less, and 1.0% by weight or less.
More preferably, it is not more than wt%.

The (B) N-acylalkyl taurine and / or its salt is an anionic surfactant for emulsifying and dispersing the (A) component in water. In addition, when a silanol group-containing polyorganosiloxane is used as a raw material, it acts as a dehydration polycondensation reaction catalyst for the silanol group. As the component (B), general formula: R ³ —CO—
The compound represented by NR ⁴ —C ₂ H ₄ —SO ₃ M is typical. In the above formula, R ³ and R ⁴ are unsubstituted monovalent hydrocarbon groups, specifically, methyl group, ethyl group, propyl group,
Saturated aliphatic hydrocarbon groups such as butyl group, pentyl group, hexyl group, heptyl group, octyl group, decyl group, dodecyl group, myristyl group, palmityl group, stearyl group; vinyl group, allyl group, hexenyl group, oleyl group, etc. And unsaturated aliphatic hydrocarbon groups; saturated alicyclic hydrocarbon groups such as cyclopentyl group and cyclohexyl group; and aromatic hydrocarbon groups such as phenyl group, tolyl group and naphthyl group. R ³ and R ⁴ may be the same or different, but R ³ preferably has 1 to 30 carbon atoms. R ⁴ preferably has 1 to 6 carbon atoms,
Of these, a methyl group is common. M is selected from the group consisting of hydrogen atom; alkali metal atom such as sodium and potassium; ammonium and triethanolammonium. Examples of such component (B) include N-lauroylmethyltaurine sodium, N-myristoylmethyltaurine sodium, N-oleoylmethyltaurine sodium, N-stearoylmethyltaurine sodium,
N-coconut oil fatty acid methyl taurine sodium, N-coconut oil fatty acid methyl taurine potassium, N-coconut oil fatty acid methyl taurine magnesium, N-palmitoylmethyl taurine sodium, N-stearoyl methyl taurine potassium, N-cetyloyl methyl taurine potassium and these The unneutralized product of is exemplified. These may be used alone or a mixture of several kinds may be used. Among them, N-acylalkyl taurine salt is preferable,
From the emulsifying effect, sodium salt, potassium salt, ammonium salt, and triethanolamine salt are particularly preferable.

The amount of the component (B) used is 100 parts of the component (A).
The amount is preferably 1 to 100 parts by weight, and more preferably 1 to 50 parts by weight. This is because the emulsion stability may decrease outside this range.

The water (C) is a medium for emulsifying the above component (A) with the component (B). The amount used is not particularly limited as long as it is an amount that stabilizes the emulsion before and after emulsification.
It is preferable to use within the range of 30 to 1000 parts by weight with respect to 100 parts by weight of the component (A).

The polyorganosiloxane emulsion composition of the present invention comprising such components (A) to (C) comprises the polyorganosiloxane (a) having a lower molecular weight than that of the component (A) and the (B) N-acyl. Alkyl taurine and /
Alternatively, it can be prepared by emulsion polycondensation in water in the presence of the salt. Examples of the component (a) include polydiorganosiloxanes capped with silanol groups at both ends and represented by the general formula (I): HO (R ² ₂ SiO) _n H. In the formula, R ² is the same or different substituted or unsubstituted monovalent hydrocarbon group, and specific examples of the monovalent hydrocarbon group include methyl group, ethyl group, propyl group, butyl group, pentyl group and hexyl group. Group, heptyl group, octyl group, decyl group, dodecyl group, etc., saturated aliphatic hydrocarbon group; vinyl group, allyl group, hexenyl group, etc., unsaturated aliphatic hydrocarbon group; cyclopentyl group, cyclohexyl group, etc. Formula hydrocarbon group; aromatic hydrocarbon groups such as phenyl group, tolyl group and naphthyl group are exemplified. n is a value such that the viscosity at 25 ° C. is 10 to 30,000 mPa · s. Specific examples of such polyorganosiloxanes include α, ω-dihydroxypolydimethylsiloxane, tetramethyl-1,3-dihydroxydisiloxane, and octamethyl-1,7-dihydroxytetrasiloxane. Such a terminal silanol group-capped polydiorganosiloxane is usually obtained by ring-opening polymerization of a cyclic siloxane oligomer in the presence of an acidic catalyst such as sulfuric acid or an alkaline catalyst such as potassium hydroxide or potassium silanolate. It is synthesized by a method of terminating the molecular chain end with water. The reaction product obtained by this method usually contains unreacted cyclic organosiloxane oligomer, but in the present invention, its content is 2.
It is preferably 5% by weight or less, more preferably 1.5% by weight or less, and further preferably 1.0% by weight or less.
The content of the cyclic organosiloxane tetramer in this reaction product is preferably 0.1% by weight or less,
The content is more preferably 0.05% by weight or less, still more preferably 0.01% by weight or less. As a method for reducing the content of the cyclic organosiloxane oligomer, for example, a method of distilling off the remaining cyclic organosiloxane oligomer from the polydiorganosiloxane obtained by ring-opening polymerization by stripping or a thin film distillation apparatus under reduced pressure Is mentioned.

A hydrolyzable organosilane may be added during the emulsion polycondensation of the low molecular weight polyorganosiloxane represented by the general formula (I) (a). When the hydrolyzable organosilane has an organic functional group,
An organic functional group can be introduced into the polyorganosiloxane as the component (A). Examples of such hydrolyzable organosilane include methyltrimethoxysilane, methyltriethoxysilane, tetraethoxysilane, 3-
Aminopropylmethyldiethoxysilane, 3-aminopropyltriethoxysilane, N- (2-aminoethyl)
-3-Aminopropyltriethoxysilane, N- (2-
Aminoethyl) -3-aminopropyltrimethoxysilane, N- (2-aminoethyl) -3-aminopropylmethyldiethoxysilane, N- (2-aminoethyl) -3
-Aminopropylmethyldimethoxysilane, 3-chloropropyltriethoxysilane, 3-chloropropyltrimethoxysilane, 3-chloropropylmethyldiethoxysilane, 3-chloropropylmethyldimethoxysilane,
3-methacryloxypropyltriethoxysilane, 3-
Methacryloxypropyltrimethoxysilane, 3-acryloxypropylmethyldiethoxysilane, 3-acryloxypropylmethyldimethoxysilane, 3-glycidoxypropyltriethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3-glycid Xypropylmethyldiethoxysilane, 3-glycidoxypropylmethyldimethoxysilane, 3-mercaptopropylmethyldiethoxysilane, 3-mercaptopropylmethyldimethoxysilane, 3-carboxypropylmethyldiethoxysilane, 3-carboxypropylmethyldimethoxysilane , P-vinylphenyltriethoxysilane, p-vinylphenyltrimethoxysilane, 2- (vinylphenyl) ethyltriethoxysilane, 2- (vinylphenyl) ethyltrimetho Shishiran, 3- (p-isopropenyl Ruben benzoyl amino) propyl triethoxysilane,
3- (p-isopropenylbenzoylamino) propyltrimethoxysilane, N-methacryloyl-N-methyl-3-aminopropyltriethoxysilane, N-methacryloyl-N-methyl-3-aminopropyltrimethoxysilane, N-lauroyl -N-methyl-3-aminopropylmethyldiethoxysilane, N-lauroyl-N-
Methyl-3-aminopropylmethyldimethoxysilane,
N-acryloyl-N-methyl-3-aminopropyltriethoxysilane, N-acryloyl-N-methyl-3
-Aminopropyltrimethoxysilane, N-lauroyl-N-methyl-3-aminopropyltriethoxysilane, N-lauroyl-N-methyl-3-aminopropyltrimethoxysilane, N, N-bis (methacryloyl)
-3-Aminopropylmethyldiethoxysilane, N, N
-Bis (methacryloyl) -3-aminopropylmethyldimethoxysilane, N, N-bis (lauroyl) -3-
Examples are aminopropyltriethoxysilane and N, N-bis (lauroyl) -3-aminopropyltrimethoxysilane. These may be used alone or as a mixture of two or more.

To prepare the emulsion composition of the present invention, for example, (C) water and (B) lauroylmethyl taurine or a salt thereof are added to (a) a terminal silanol group-capped polydiorganosiloxane, and these are premixed. To do. Although the order of mixing is arbitrary, for example, there may be mentioned a method in which the component (B) is mixed and dissolved in the component (C) in a stirring tank and the component (a) is added thereto while stirring. Next, homogenizer, colloid mill, line mixer,
Emulsify through an emulsifying machine such as a sonolator, combi-mix, trello mixer, homomic line mill. At this time, the emulsion may be roughly emulsified using a homomixer, a colloid mill, a line mixer or the like, and then further emulsified through a pressure homogenizer, an ultrasonic homogenizer or the like. If necessary, water is further added to uniformly emulsify and disperse. When lauroylmethyl taurine salt is used as the component (B), it is preferable to add an acid after emulsification. This is because the acid component converts a part of the sulfonic acid salt in the N-acylalkyltaurine salt to a sulfonic acid type, whereby lauroylmethyltaurine is produced in the reaction system, and this contributes to the reaction as an emulsion polymerization catalyst. This is because The acid used is sulfuric acid,
Examples thereof include inorganic acids such as hydrochloric acid and phosphoric acid, and organic acids such as formic acid, acetic acid and citric acid. Among these, sulfuric acid and hydrochloric acid are
As such, it acts as a dehydration polycondensation reaction catalyst for silanol groups, and has the advantage that a large polymerization rate can be obtained even at low temperatures. On the other hand, phosphoric acid, formic acid, acetic acid, and citric acid do not undergo heavy polymerization even if they remain in the system. The cyclic organosiloxane oligomer is less likely to be produced as a by-product during the condensation reaction, and has an advantage that the amount of the oligomer in the emulsion can be suppressed. The amount used is not particularly limited, but is 0.0 per 100 parts by weight of the component (A).
It is preferably 5 to 10 parts by weight. Then, by continuing stirring, the silanol groups in the component (a) undergo a polycondensation reaction to obtain an emulsion of high molecular weight polyorganosiloxane. The temperature of the polycondensation reaction is preferably as low as possible in order to increase the polymerization degree of the polyorganosiloxane and prevent the formation of the cyclic organosiloxane oligomer by the side reaction. However, if cooled excessively, the stability of the emulsion will be impaired. Therefore, taking these into consideration, the emulsion polycondensation temperature is preferably 0 to 25 ° C, more preferably 0 to 15 ° C. The polymerization time varies depending on the amount of the cyclic organosiloxane oligomer generated, but is preferably within 48 hours,
It is more preferably within 24 hours and even more preferably within 15 hours. In order to suppress the oligomer content after emulsion condensation polymerization to 3.5% by weight or less, it is necessary to complete the polymerization in a shorter time as the temperature is higher, and the longer the polymerization becomes as the polymerization temperature is lower. After reaching the desired polymerization viscosity, an alkaline substance is added to neutralize the component (B) and the acid. Examples of the alkaline substance include inorganic substances such as sodium hydroxide, potassium hydroxide, ammonia, sodium carbonate, potassium carbonate, ammonium carbonate and potassium acetate; amines such as triethanolamine. Depending on the purpose, the viscosity may be controlled by using a diorganopolysiloxane having a triorganosiloxy group such as a trimethylsiloxy group as an endcapping agent. The concentration of the (A) polyorganosiloxane in the emulsion of the present invention is not particularly limited,
80% by weight is preferable, 25 to 75% by weight is more preferable, and 30 to 65% by weight is further preferable. This is because if it is less than 5% by weight, the emulsification efficiency is poor, and if it exceeds 80% by weight, the viscosity of the emulsion increases and the workability is lowered.

In order to maintain stability, the emulsion composition of the present invention contains an anionic surfactant or a nonionic surfactant other than the component (B) within a range not impairing the object of the present invention. Can be added. As the anionic surfactant, sodium polyoxyethylene lauryl ether acetate, disodium polyoxyethylene lauryl sulfosuccinate, sodium polyoxyethylene lauryl ether sulfate, sodium α-olefin sulfonate, triethanolamine dodecylbenzene sulfonate, polyoxy An example is ethylene lauryl ether sodium phosphate. Examples of nonionic surfactants include glycerin monostearate, sorbitan monopalmitate, polyoxyethylene cetyl ether, polyoxyethylene lauryl ether, polyoxyethylene stearyl ether, polyoxyethylene stearate ester, polyoxyethylene sorbitan monolaurate. Examples thereof include rate, coconut oil fatty acid diethanolamide, polyoxyethylene oxypropylene glycol, and modified silicone oil containing a polyoxyethylene group. Such a surfactant may be used either before or after emulsification. Further, in order to prevent bacterial contamination, antiseptics and bactericides may be added, and pH adjustors, fungicides and rust preventives may be used.

In the polyorganosiloxane emulsion composition of the present invention as described above, N-acylalkyltaurine or its salt is used as an emulsifier, and the content of cyclic organosiloxane oligomer is suppressed to 3.5% by weight or less. Therefore, it is excellent in the stability of the emulsion itself, the stability of silicone and the compounding stability in various cosmetics, and the irritation to the skin and scalp is small,
It has the feature of exhibiting extremely excellent makeup functionality. Further, it has an advantage that it does not pollute the surrounding environment during use and is highly safe for the human body. Therefore, the emulsion composition of the present invention is useful as a silicone component added to raw materials for skin cosmetics and hair cosmetics. That is, it has a feature that it is suitable not for the cosmetic itself but for the cosmetic raw material used by being blended with other components.

Next, the cosmetic raw material of the present invention will be described. The cosmetic raw material of the present invention is composed of the above polyorganosiloxane emulsion composition, but is composed of a silicone emulsion in order to further improve the compounding stability in the cosmetic as long as the object of the present invention is not impaired. Other components known as additives for cosmetic raw materials can be added and blended. As such an additive,
Other than the component (B), anionic surfactants, nonionic surfactants, pH adjusters, antiseptics, antifungal agents, rust preventives and the like can be mentioned. These components can be used alone or in combination. The order of mixing these components is not particularly limited, but it is preferable to limit the addition amount of components that delay or hinder the emulsion polycondensation, such as nonionic surfactants, or blend them after the emulsion polymerization.

Specific examples of the anionic surfactant include:
N-acyl-L-glutamic acid diethanolamine, N
-Acyl-L-glutamic acid triethanolamine, N
-Sodium acyl-L-glutamate, sodium alkanesulfonate, ammonium alkyl (12,14,16) sulfate, alkyl (11,13,15) triethanolamine sulfate (1), alkyl (11,13,1)
5) Triethanolamine sulfate (2), alkyl (12
~ 14) triethanolamine sulfate, triethanolamine alkylsulfate solution, sodium alkyl (12,13) sulfate, sodium alkylsulfate solution, sodium isethionate, sodium isostearate, undecylenoylamide ethyl sodium sulfosuccinate, trioleate sulfate Ethanolamine, sodium olein sulfate, disodium oleate amide sulfosuccinate, potassium oleate, sodium oleate, morpholine oleate, oleoyl sarcosine, oleoylmethyl taurine sodium, potassium-containing soap base, potassium soap solution, potassium stone Ken, carboxylated polyoxyethylene tridodecyl ether, carboxylated polyoxyethylene tridodecyl ether sodium salt (3
E. O. ), N-hardened tallow fatty acid acyl-L-glutamate triethanolamine, N-hardened tallow fatty acid acyl-L-glutamate sodium, hydrogenated coconut oil fatty acid sodium glyceryl sulfate, sodium diundecylenoylamide ethyl sulfosuccinate, sodium stearyl sulfate, Potassium stearate, triethanolamine stearate, sodium stearate, sodium N-stearoyl-L-glutamate, disodium stearoyl-L-glutamate, sodium stearoylmethyl taurine, dioctyl sodium sulfosuccinate, dioctyl sodium sulfosuccinate solution, polysulfosuccinate poly Oxyethylene monooleylamide disodium (2EO) liquid, sulfosuccinic acid polyoxyethylene lauroyl ethanolamide Sodium (5E.
O. ), Disodium lauryl sulfosuccinate, diethanolamide cetylsulfate, sodium cetylsulfate, soap base, sodium cetostearyl sulfate, triethanolamine tridecylsulfate, potassium palmitate, sodium palmitate, sodium palmitoylmethyltaurine, sodium castor oil fatty acid sodium solution (30%), polyoxyethylene alkyl ether ammonium sulfate (3EO) liquid, polyoxyethylene alkyl (1
2,13) diethanolamine ether sulfate (3E.
O. ) Liquid, polyoxyethylene alkyl ether triethanolamine sulfate (3 EO) liquid, polyoxyethylene alkyl (11,13,15) ether triethanolamine sulfate (1 EO), polyoxyethylene alkyl (12, 13) triethanolamine ether sulfate (3EO), sodium polyoxyethylene alkyl ether sulfate (3EO) liquid, sodium polyoxyethylene alkyl (11,13,15) ether sulfate (1EO), Polyoxyethylene alkyl (11
~ 15) sodium ether sulfate (3EO), sodium polyoxyethylene alkyl (12,13) sodium sulfate (3EO), sodium polyoxyethylene alkyl (12-14) ether sulfate (3E.O.).
O. ), Sodium polyoxyethylene alkyl (12-15) ether sulfate (3EO), disodium polyoxyethylene alkyl (12-14) sulfosuccinate (7EO), sodium polyoxyethylene undecyl ether sulfate, Polyoxyethylene octyl phenyl ether sodium sulfate liquid, polyoxyethylene oleyl ether ammonium sulfate, polyoxyethylene disodium lauryl sulfosuccinate, sodium polyoxyethylene nonyl phenyl ether sulfate, sodium polyoxyethylene pentadecyl ether sulfate, polyoxyethylene myristyl ether sulfate Triethanolamine, sodium polyoxyethylene myristyl ether sulfate, sodium polyoxyethylene myristyl ether sulfate (3EO ), Sodium polyoxyethylene lauryl ether acetate (16E.O.) solution of polyoxyethylene lauryl ether sulfate (2
E. O. ), Polyoxyethylene lauryl ether sulfate triethanolamine, polyoxyethylene lauryl ether sulfate sodium, myristyl sulfate diethanolamine, sodium myristyl sulfate, potassium myristate, N-myristoyl-L-glutamate sodium,
Sodium myristoylmethylaminoacetate, Sodium myristoylmethyl-β-alanine solution, Sodium myristoylmethyltaurine, Ken medicated, Palm oil alkyl magnesium sulfate triethanolamine, N-coconut oil fatty acid acyl-L-glutamic acid triethanolamine, N- Palm oil fatty acid acyl-L-glutamate sodium, Palm oil fatty acid ethyl ester sodium sulfonate, Palm oil fatty acid potassium, Palm oil fatty acid potassium liquid,
N-coconut oil fatty acid / hardened tallow fatty acid acyl-L-sodium glutamate, coconut oil fatty acid sarcosine, coconut oil fatty acid sarcosine triethanolamine, coconut oil fatty acid sarcosine sodium, coconut oil fatty acid triethanolamine, coconut oil fatty acid triethanolamine solution, Coconut oil fatty acid sodium, coconut oil fatty acid methylalanine sodium,
Coconut oil fatty methyl alanine sodium solution, coconut oil fatty acid methyl taurine potassium, coconut oil fatty acid methyl taurine sodium, sodium lauryl aminodipropionate, sodium lauryl amino dipropionate solution (30
%), Sodium lauryl sulfoacetate, sodium lauryl benzene sulfonate, lauryl sulfate, ammonium lauryl sulfate, potassium lauryl sulfate, diethanolamine lauryl sulfate, triethanolamine lauryl sulfate, sodium lauryl sulfate, magnesium lauryl sulfate, monoethanolamine lauryl sulfate, lauric acid Potassium, triethanolamine laurate, triethanolamine laurate solution, sodium laurate, myristate triethanolamine laurate, lauroyl-L-glutamate triethanolamine, sodium N-lauroyl-L-glutamate, lauroylsarcosine, lauroylsarcosine Na potassium, lauroyl sarcosine triethanolamine solution, lauroyl sarcosine sodium, laur Ylmethyl β- alanine sodium solution, lauroyl methyl taurate, sodium lauroyl methyl taurate, sodium liquid can be mentioned.

Specific examples of the nonionic surfactant include:
Ethylene glycol fatty acid ethyl ester, polyethylene glycol fatty acid ester, propylene glycol fatty acid ester, polypropylene glycol fatty acid ester, glycol fatty acid ester, trimethylolpropane fatty acid ester, pentaerythritol fatty acid ester, glucoside derivative, glycerin alkyl ether Fatty acid esters, trimethylolpropaneoxyethylene alkyl ethers, fatty acid amides, alkylol amides, alkylamine oxides, lanolin and its derivatives, castor oil derivatives, hydrogenated castor oil derivatives, sterols and their derivatives, Polyoxyethylene alkyl ethers, polyoxyethylene alkyl allyl ethers, polyoxyethylene alkyl amines, polyoxy Ethylene fatty acid amides, polyoxyethylene alkylol amides, polyoxyethylene diethanolamine fatty acid esters, polyoxyethylene trimethylolpropane fatty acid esters, polyoxyethylene alkyl ether fatty acid esters, polyoxyethylene polyoxypropylene glycols, poly Oxyethylene polyoxypropylene alkyl ethers, polyoxyethylene polyoxypropylene polyhydric alcohol ethers, glycerin fatty acid esters, polyglycerin fatty acid esters, polyoxyethylene glycerin fatty acid esters, sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid Esters,
Examples thereof include sucrose fatty acid esters.

Specific examples of the pH adjuster include hydrochloric acid, sulfuric acid, phosphoric acid, diammonium hydrogen phosphate, disodium hydrogen phosphate, dipotassium hydrogen phosphate, ammonium dihydrogen phosphate, sodium dihydrogen phosphate, phosphoric acid. Potassium dihydrogen, trisodium phosphate, tripotassium phosphate, acetic acid,
Ammonium acetate, sodium acetate, potassium acetate, citric acid, sodium citrate, diammonium citrate, sodium carbonate, potassium carbonate, ammonium carbonate, sodium hydrogen carbonate, ammonium hydrogen carbonate, sodium hydroxide, potassium hydroxide, ammonia, triethanol Examples include amines.

Specific examples of the preservatives, fungicides and rust preventives include benzoic acid, aluminum benzoate, sodium benzoate, isopropylmethylphenol, ethylhexanediol, lysozyme chloride, chlorhexidine hydrochloride, octylphenoxyethanol and orthophenylphenol. , Sodium perborate, photosensitive element 101, photosensitive element 20
No. 1, Photosensitizer 301, Photosensitizer 401, Chlorhexidine gluconate solution, Cresol, Chloramine T, Chlorxylenol, Chlorcresol, Chlorphenesin,
Chlorhexidine, chlorobutanol, resorcin acetate, salicylic acid, sodium salicylate, domiphen bromide, zinc pyrithione, zinc pyrithione solution, sorbic acid, potassium saorbate, thiantol, thioxolone, thymol, tiram, dehydroacetic acid, sodium dehydroacetate, trichlorocarbanilide, trichloro. Hydroxydiphenyl ether, isobutyl paraoxybenzoate, isopropyl paraoxybenzoate, ethyl paraoxybenzoate, butyl paraoxybenzoate, propyl paraoxybenzoate, benzyl paraoxybenzoate, methyl paraoxybenzoate, methyl sodium paraoxybenzoate, parachlorophenol, paraphenol Sodium sulfonate (dihydrate), halocarban, phenoxyethanol, pheno Le, hexachloro fan, mononitroguayacol, mononitroguayacol sodium iodide para-dimethylaminostyryl heptyl methyl rear sled chloride, lauryl trimethyl ammonium trichloro phenoxide, oxyquinoline sulfate, phosphate oxyquinoline include resorcin.

Such a cosmetic raw material of the present invention has good compatibility with the skin and can impart excellent moisturizing and smoothness to the skin by adding and mixing to the following various raw materials. Cosmetics are obtained. Various raw materials for skin cosmetics include anionic surfactants, nonionic surfactants, pH adjusters, preservatives, antifungal agents, rust preventives, avocado oil, almond oil, and olive oil. ,
Cocoa butter, sesame oil, wheat germ oil, safflower oil, shea butter, turtle oil, camellia oil, persic oil, castor oil, grape oil, macadamia nut oil, mink oil, egg yolk oil, mokurou, coconut oil, rosehip oil, hardened oil Oils and fats such as; orange luffy oil, carnauba wax, candelilla wax,
Wax such as whale wax, jojoba oil, montan wax, beeswax, lanolin; liquid paraffin, petrolatum, paraffin,
Hydrocarbons such as ceresin, microcrystalline wax, squalane; lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, behenic acid, undecylenic acid, oxystearic acid, linoleic acid, lanolinic acid, higher fatty acids such as synthetic fatty acids; Ethyl alcohol, isopropyl alcohol, lauryl alcohol, cetyl alcohol, cetostearyl alcohol, stearyl alcohol, oleyl alcohol, behenyl alcohol, lanolin alcohol, hydrogenated lanolin alcohol, hexyldecanol, octyldodecanol, alcohol such as isostearyl alcohol; cholesterol, dihydrocholesterol, Sterols such as phytosterols;
Ethyl linoleate, isopropyl myristate, isopropyl lanoline fatty acid, hexyl laurate, myristyl myristate, cetyl myristate, octyldodecyl myristate, decyl oleate, octyldodecyl oleate, hexyldecyl dimethyloctanoate, cetyl isooctanoate, palmitate Fatty acid esters such as cetyl, glycerin trimyristate, tri (caprylic / capric acid) glycerin, propylene glycol dioleate, glyceryl triisostearate, glyceryl triisooctanoate, cetyl lactate, myristyl lactate, diisostearyl malate; glycerin, propylene Glycol, 1,3-butylene glycol, polyethylene glycol, sodium d, l-pyrrolidonecarboxylate, sodium lactate, Rubitoru, humectant, such as sodium hyaluronate; cationic surfactants; betaine type,
Amphoteric surfactants such as amino acid type, imidazoline type and lecithin; colored pigments such as iron oxide; white pigments such as zinc oxide, titanium oxide and zirconium oxide; extender pigments such as mica, talc, sericite; pigments; dimethyl poly Siloxane,
Methylphenylpolysiloxane, octamethyltetracyclosiloxane, decamethylcyclopentasiloxane,
Silicone oil such as polyether modified silicone oil and amino modified silicone oil; purified water; thickening of carrageenan, alginic acid, gum arabic, tragacanth, pectin, starch, xanthan gum, polyvinyl alcohol, polyvinylpyrrolidone, sodium polyacrylate, polyethylene glycol, etc. Agents, silicone-acrylic copolymers, film-forming agents such as silicone resins and acrylic polymers, and further ultraviolet absorbers, antibacterial agents, anti-inflammatory agents, antiperspirants, fragrances, antioxidants, and propellants. .
As the skin cosmetics, specifically, hand cream,
Skin creams, foundations, eye shadows, face wash, body shampoos.

When the cosmetic raw material of the present invention is used for hair cosmetics, the aforementioned anionic surfactants, nonionic surfactants, pH adjusters, preservatives, antifungal agents,
In addition to rust preventives, film forming agents, antifreeze agents, oils, emulsifiers, wetting agents, antidandruff agents, antioxidants, chelating agents,
By admixing various raw materials such as an ultraviolet absorber, a fragrance, and a coloring agent, the adhesion to hair is good, and
It is possible to obtain a cosmetic for hair that can impart excellent moisturizing and smoothness. Specifically as a film forming agent, (meta)
Polymers of acrylic radical-polymerizable monomers, copolymers with silicone compounds, poly (N-acylalkyleneimines), poly (N-methylpyrrolidone), silicone resins modified with fluorine-containing organic groups and amino groups, and A non-functional silicone resin is exemplified. The antifreezing agent is not particularly limited, but generally includes ethanol, isopropyl alcohol, 1,3-butylene glycol, ethylene glycol, propylene glycol, and glycerin. As the oil component, those usually used in cosmetics can be used. As typical examples, waxes such as microcrystalline wax, paraffin wax, gay wax, bees wax, Japan wax, sucrose wax and mixtures thereof, liquid paraffin, α-olefin oligomer, squalane, squalene and other hydrocarbon oils. Or a mixture thereof, cetanol, stearyl alcohol, isostearyl alcohol, hydrogenated castor fat-derived alcohol, behenyl alcohol, linear or branched saturated or unsaturated unsubstituted or hydroxy-substituted higher alcohol or a mixture thereof, such as lanolin alcohol, Linear or fractional components such as palmitic acid, myristic acid, oleic acid, stearic acid, hydroxystearic acid, isostearic acid, behenic acid, castor oil fatty acid, coconut oil fatty acid, beef tallow fatty acid, etc. Jo saturated or unsaturated unsubstituted or hydroxy-substituted higher fatty acids, or mixtures thereof, olive oil, coconut oil, rapeseed oil,
Palm oil, palm kernel oil, castor oil, hydrogenated castor oil, peanut oil, beef tallow, hydrogenated beef tallow, jojoba oil, hydrogenated jojoba oil, monostearic acid glyceride, monooleic acid glyceride,
Dipalmitic acid glyceride, trimyristic acid glyceride, oleyl oleate, isostearyl isostearate, palmityl behenate, isopropyl palmitate, stearyl acetate, ester such as dihydroxystearic acid ester, linear, branched or cyclic ester Low molecular weight silicone oil, amino modified silicone oil, fatty acid modified silicone oil, alcohol modified silicone oil, polyether modified silicone oil, phosphoric acid (salt) group containing silicone oil, sulfuric acid (salt) group containing silicone oil, fluorine modified alkyl group containing Silicone oils such as silicone oils, alkyl-modified silicone oils, epoxy-modified silicone oils, high molecular weight silicones, soluble in solvents, liquid or raw rubber at room temperature, or silicone Resin or a mixture thereof. These silicones are preferably emulsions, and examples of emulsifiers include glycerin monostearate, sorbitan monopalmitate, polyoxyethylene cetyl ether, polyoxyethylene stearate and polyoxyethylene sorbitan monolaurate. In addition, those generally used conventionally can be mentioned. Examples of the wetting agent include hexylene glycol, polyethylene glycol 600, sodium pyroglutamate, and glycerin. As an antidandruff agent,
Examples thereof include sulfur, selenium sulfide, zinc pyridinium-1-thiol-N-oxide, salicylic acid, 2,4,4'-trichloro-2'-hydroxydiphenyl ether, and 1-hydroxy-2-pyridone compound. Antioxidants include BHA, BHT, and γ-oryzanol. Examples of the chelating agent include ethylenediaminetetraacetic acid, citric acid, ethane-1-hydroxy-1,1-diphosphonic acid and salts thereof. As the ultraviolet absorber, a benzophenone derivative represented by 2-hydroxy-4-methoxybenzophenone, a benzotriazole derivative represented by 2- (2′-hydroxy-5′-methyl-phenyl) -benzotriazole, a cinnamic acid ester Etc. are illustrated. Further, polyhydric alcohols such as glycerin, propylene glycol, dipropylene glycol, and 1,3-butylene glycol, and quaternary ammonium salts such as monoalkyltrimethylammonium salt and dialkyldimethylammonium salt are preferable. Specifically, stearyl chloride is preferable. Cationic surfactants such as trimethylammonium, behenyltrimethylammonium chloride, distearyldimethylammonium chloride, dibehenyldimethylammonium chloride, or feel of amphoteric surfactants, squalene, lanolin, perfluoropolyether, cationic polymers, etc. Improver, humectant such as propylene glycol, glycerin, sorbitol, methyl cellulose, carboxyvinyl polymer, hydroxyethyl cellulose, polyoxyethylene glyco Distearate, viscosity modifiers such as ethanol, pearling agents, perfumes, pigments, dyes, propellants, vitamins, hair tonic, drugs such as hormones, triclosan, fungicides such as trichloroacetic Calvin,
Potassium glycyrrhizinate, anti-inflammatory agents such as tocopherol acetate, anti-dandruff agents such as zinc pyrithione and octopirox, preservatives such as methylparaben and butylparaben, spray agents, etc.Encyclopedia of Shampoo Ingredients (M
Ingredients listed in icelle press, 1985) are listed. In addition, specifically as a cosmetic for hair, shampoo,
Hair rinse, hair conditioner, hair treatment, set lotion, blow styling agent, hair spray, foam styling agent, gel styling agent, hair liquid, hair tonic, hair cream, hair restorer, hair nourishing agent, and hair dye.

[0027]

EXAMPLES The present invention will now be described in detail with reference to Examples. In the examples, "part" represents "part by weight", "%" represents "% by weight", and "cyclic organosiloxane oligomer" is a mixture of cyclic organosiloxane tetramer to octamer. Measurement of physical properties and stability of the emulsion composition and treatment of hair / skin were carried out according to the following methods.

<Content of Cyclic Organosiloxane> About 1 g of the emulsion was precisely weighed, 10 ml of hexane and 5 ml of methanol were added thereto, and the mixture was vigorously stirred to break the emulsion, and the organopolysiloxane was sufficiently added to the hexane layer. Dissolved in. After leaving in this state for 12 to 24 hours, 5 ml of ion-exchanged water was added, and the upper hexane layer was measured by gas chromatography to give cyclic organosiloxane oligomers (D4 to D8) and cyclic organosiloxane tetramer (D4). ) Content was quantified.

<Viscosity of polyorganosiloxane> Acetone was added to the emulsion to completely break it, and then the oil component was separated. Wash this oil further with acetone,
Then heat in an oven at 105 ° C for 15 minutes,
The viscosity at 25 ° C. was measured using an E-type viscometer.

<Stability> 50 cc of the obtained polyorganosiloxane emulsion was placed in a 100 cc glass bottle and sealed. This glass bottle is 0-5 every 12 hours
The sample was left for 30 days in an environmental tester set so that a temperature cycle up to 0 ° C could be performed, and the appearance change after 30 days and the presence or absence of surface oil content were measured. The evaluation results are shown below. -Appearance change A: Uniform and no change was observed. ◯: Some creaming was observed on the upper part. Δ: Creaming was recognized. X: Separated into two layers. -Surface oil content: Not observed at all. Δ: A slight amount of oil was recognized. X: Oil was recognized on the entire surface.

<Treatment of Hair> As pretreatment of treated hair,
5 g of the hair bundle was washed with a 10% by weight aqueous solution of polyoxyethylene (4) sodium lauryl sulfate, rinsed with running water, and naturally dried for 24 hours or more. The hair thus pretreated was dipped in the hair shampoo composition for 10 seconds and then thoroughly drained. After that, brushing was performed until there was no catch, and it was naturally dried for 24 hours or more. The shampoo-treated hair was evaluated by the feel of 30 people.

<Skin Treatment> The skin of 30 panelists was washed with the body shampoo composition for 30 seconds and rinsed thoroughly with running water. After the water was completely removed with a towel, the feel was evaluated.

[0033]

[Synthesis Example 1] 5.
Polydimethylsiloxane oil containing 4% with a viscosity of 65 mm ² / s and both ends of the molecular chain blocked with silanol groups (content of octamethylcyclotetrasiloxane is 1.3%)
1000 g was collected in a round-bottomed flask having a capacity of 2000 ml, and stripped for 12 hours under the condition of a nitrogen bubbling with an evaporator under a reduced pressure of 10 mmHg and 150 ° C. to reduce the cyclic dimethylsiloxane oligomer content to 0.4%. . The content of octamethylcyclotetrasiloxane was 0.01%. Hereinafter, this polydimethylsiloxane oil is referred to as an oligomer-reduced oil.

[0034]

Example 1 1.0 part of sodium N-lauroylmethyl taurine was dissolved in 36.0 parts of ion-exchanged water, and then 55.0 parts of oligomer-reduced oil was added and premixed. 350 kg of this mixed solution using a homogenizer
/ It was passed twice through a pressure of cm ^2, average particle diameter 0.35
A micron crude emulsion was obtained. Then 36% to this
0.5 part of hydrochloric acid was added, and the mixture was kept at a temperature of 5 ° C. for 15 hours. Then, while continuing stirring, the polycondensation reaction was stopped by dropwise addition of a 5% aqueous sodium carbonate solution until the pH reached around 7, and an emulsion composition (A-1) of α, ω-dihydroxypolydimethylsiloxane was obtained. Got The physical properties and stability of the obtained emulsion composition were measured, and the results are shown in Table 1.

[0035]

Example 2 1.0 part of sodium N-lauroylmethyl taurine was dissolved in 36.0 parts of deionized water, and then 55.0 parts of oligomer-reduced oil was added and premixed. 350 kg of this mixed solution using a homogenizer
The average particle size was 0.33 after passing twice at a pressure of / cm ^2.
A micron crude emulsion was obtained. Then 36% to this
0.5 part of hydrochloric acid was added, and the mixture was kept at a temperature of 5 ° C. for 24 hours. Then, while continuing stirring, the polycondensation reaction was stopped by dropwise addition of a 5% aqueous sodium carbonate solution until the pH reached around 7, and an emulsion composition of α, ω-dihydroxypolydimethylsiloxane (A-2) was obtained. Got The physical properties and stability of the obtained emulsion composition were measured, and the results are shown in Table 1.

[0036]

Example 3 1.0 part of sodium N-lauroylmethyl taurine was dissolved in 36.0 parts of deionized water, and then 55.0 parts of oligomer-reduced oil was added and premixed. 350 kg of this mixed solution using a homogenizer
/ Cm ² of pressure was passed twice, the average particle size was 0.36
A micron crude emulsion was obtained. Then 36% to this
0.5 part of hydrochloric acid was added and the mixture was kept under the temperature condition of 5 ° C. for 48 hours. Then, while continuing stirring, the polycondensation reaction was stopped by dropwise addition of a 5% aqueous sodium carbonate solution until the pH became around 7, to obtain an emulsion composition (A-3) of α, ω-dihydroxypolydimethylsiloxane. Obtained. The physical properties and stability of the obtained emulsion composition were measured, and the results are shown in Table 1.

[0037]

Example 4 1.0 part of sodium N-lauroylmethyl taurine was dissolved in 36.0 parts of deionized water, and then 55.0 parts of oligomer-reduced oil was added and premixed. 350 kg of this mixed solution using a homogenizer
/ It was passed twice through a pressure of cm ^2, average particle diameter 0.35
A micron crude emulsion was obtained. Then 36% to this
Hydrochloric acid (1.0 part) was added and the mixture was kept at a temperature of 5 ° C. for 48 hours. Then, while continuing stirring, the polycondensation reaction was stopped by dropwise addition of a 5% sodium carbonate aqueous solution until the pH reached around 7, and an α, ω-dihydroxypolydimethylsiloxane emulsion composition (A-4) was obtained. Got The physical properties and stability of the obtained emulsion composition were measured, and the results are shown in Table 1.

[0038]

Example 5 1.0 part of sodium N-lauroylmethyl taurine was dissolved in 36.0 parts of deionized water, and then 55.0 parts of oligomer-reduced oil was added and premixed. 350 kg of this mixed solution using a homogenizer
/ Cm ² of pressure was passed twice, the average particle size was 0.36
A micron crude emulsion was obtained. Then 36% to this
0.5 part of hydrochloric acid was added, and the mixture was kept at a temperature of 25 ° C. for 15 hours. Then, while continuing stirring, the polycondensation reaction was stopped by dropwise addition of a 5% sodium carbonate aqueous solution until the pH reached around 7, and an emulsion composition of α, ω-dihydroxypolydimethylsiloxane (A-5) was obtained.
Got The physical properties and stability of the obtained emulsion composition were measured, and the results are shown in Table 1.

[0039]

Example 6 1.0 part of sodium N-lauroylmethyl taurine was dissolved in 36.0 parts of ion-exchanged water, and then 55.0 parts of oligomer-reduced oil was added and premixed. 350 kg of this mixed solution using a homogenizer
/ Cm ² of pressure was passed twice, the average particle diameter was 0.34
A micron crude emulsion was obtained. Then, 0.5 part of sulfuric acid was added thereto, and the mixture was kept under the temperature condition of 25 ° C. for 15 hours. Then, while continuing stirring, the polycondensation reaction was stopped by dropwise addition of a 5% sodium carbonate aqueous solution until the pH became around 7, and an α, ω-dihydroxypolydimethylsiloxane emulsion composition (A-6) was obtained. Got The physical properties and stability of the obtained emulsion composition were measured, and the results are shown in Table 2.

[0040]

Example 7 1.0 part of sodium N-lauroylmethyltaurine was dissolved in 36.0 parts of ion-exchanged water, and then 55.0 parts of oligomer-reduced oil and 0.3 part of methyltrimethoxysilane were added to prepare a preliminary solution. Mixed. This mixed solution was passed twice using a homogenizer at a pressure of 350 kg / cm ² to obtain a crude emulsion having an average particle size of 0.38 micron. Then, 0.5 part of 36% hydrochloric acid was added thereto, and the mixture was kept under the temperature condition of 15 ° C. for 20 hours. Then, while continuing stirring, the polycondensation reaction was stopped by dropwise addition of a 5% aqueous sodium carbonate solution until the pH reached around 7, and an emulsion of a cross-linked polymethylsiloxane whose molecular chain ends were blocked with silanol groups. Composition (A
-7) was obtained. The physical properties and stability of the obtained emulsion composition were measured, and the results are shown in Table 2.

[0041]

Example 8 1.0 part of sodium N-lauroylmethyl taurine was dissolved in 36.0 parts of deionized water, and then 55.0 parts of oligomer-reduced oil was added and premixed. 350 kg of this mixed solution using a homogenizer
The average particle size is 0.38 after passing twice at a pressure of / cm ^2.
A micron crude emulsion was obtained. Then 36% to this
0.5 part of hydrochloric acid was added, and the mixture was kept at a temperature of 15 ° C. for 20 hours. Then, while continuing stirring, the polycondensation reaction was stopped by dropwise addition of a 5% aqueous sodium carbonate solution until the pH reached around 7, and an emulsion composition of α, ω-dihydroxypolydimethylsiloxane (A-8) was obtained.
Got The physical properties and stability of the obtained emulsion composition were measured, and the results are shown in Table 2.

[0042]

Comparative Example 1 1.0 part of dodecylbenzenesulfonic acid was dissolved in 36.0 parts of ion-exchanged water, and then 55.0 parts of oligomer-reduced oil was added and premixed. This mixed solution was passed twice using a homogenizer at a pressure of 350 kg / cm ² to obtain a crude emulsion having an average particle diameter of 0.33 micron. Then sort this into another container,
The temperature was kept at 40 ° C for 15 hours. Then, while continuing stirring, the pH of the 5% sodium carbonate aqueous solution was adjusted to 7
The polycondensation reaction was stopped by dropping until the mixture was in the vicinity, and an emulsion composition (B-1) of α, ω-dihydroxypolydimethylsiloxane was obtained. The physical properties and stability of the obtained emulsion composition were measured, and the results are shown in Table 2.

[0043]

Comparative Example 2 1.0 part of sodium N-lauroylmethyltaurine was dissolved in 36.0 parts of ion-exchanged water, and 55.0 parts of oligomer-reduced oil was added and premixed. 350 kg of this mixed solution using a homogenizer
/ Cm ² of pressure was passed twice, the average particle size was 0.36
A micron crude emulsion was obtained. Then 36% to this
0.5 part of hydrochloric acid was added, and the mixture was kept under the temperature condition of 25 ° C. for 48 hours. Then, while continuing stirring, the polycondensation reaction was stopped by dropwise addition of a 5% sodium carbonate aqueous solution until the pH became around 7, and an α, ω-dihydroxypolydimethylsiloxane emulsion composition (B-2) was obtained.
Got The physical properties and stability of the obtained emulsion composition were measured, and the results are shown in Table 2.

[0044]

Comparative Example 3 1.0 part of sodium N-lauroylmethyl taurine was dissolved in 36.0 parts of deionized water, and then 55.0 parts of oligomer-reduced oil was added and premixed. 350 kg of this mixed solution using a homogenizer
/ It was passed twice through a pressure of cm ^2, average particle diameter 0.35
A micron crude emulsion was obtained. Then 36% to this
0.5 part of hydrochloric acid was added and mixed, and the temperature was adjusted to 40 ° C.
Hold for 5 hours. Then, while continuing stirring, the polycondensation reaction was stopped by dropwise addition of a 5% aqueous sodium carbonate solution until the pH reached around 7, and the emulsion composition of α, ω-dihydroxypolydimethylsiloxane (B-
3) was obtained. The physical properties and stability of the obtained emulsion composition were measured, and the results are shown in Table 2.

[0045]

[Table 1]

[0046]

[Table 2]

[0047]

Example 9 Polyorganosiloxane emulsion composition A-1, prepared in Examples 1 to 4 and Examples 7 and 8.
A-2, A-3, A-4, A-7 and A-8 were diluted with water to a polyorganosiloxane concentration of 0.25%. Add 10 parts of this diluted emulsion to 90 parts of shampoo base for hair composed of the following ingredients,
A shampoo composition for hair was prepared. The hair was treated with the obtained shampoo composition for hair, and the feel after treatment was evaluated. Moreover, the glossiness was visually observed. The results are shown in Table 3. Shampoo base for hair 25% aqueous solution of sodium N-lauroylmethyl taurine 25.0 parts Lauroyl sarcosine sodium 6.0 parts 25% aqueous solution of lauryl dimethyl betaine 10.0 parts Palm oil fatty acid diethanolamide 4.0 parts Propylene glycol 5 0.0 parts Phenoxyethanol 1.0 parts Chloro- [2-hydroxy-3- (trimethylammonio) propyl] hydroxyethyl cellulose 0.5 parts Ion-exchanged water 38.5 parts

[0048]

Comparative Example 4 Emulsion composition B prepared in Comparative Example 1
A shampoo composition for hair was prepared in the same manner as in Example 9 using No. 1 to perform hair treatment and evaluation. The results are shown in Table 3.

[0049]

[Table 3]

[0050]

Example 10 Polyorganosiloxane Emulsion Composition A-Prepared in Examples 1 to 4 and Examples 7 and 8
1, A-2, A-3, A-4, A-7 and A-8 were diluted with water to a polyorganosiloxane concentration of 1.0%. A body shampoo composition was prepared by adding 10 parts of this diluted emulsion to 90 parts of a body shampoo base composed of the following components. The body shampoo composition thus obtained was used to wash the skin, and the feel of the skin was evaluated. The results are shown in Table 4. ○ Body shampoo base 30% aqueous solution of sodium lauroyl sarcosine 15.0 parts 27% aqueous solution of disodium lauryl sulfosuccinate 15.0 parts Ion-exchanged water 60.0 parts

[0051]

Comparative Example 5 Emulsion composition B prepared in Comparative Example 1
-1 was used to prepare a body shampoo composition in the same manner as in Example 10, and the skin was washed and evaluated. The results are shown in Table 4.

[0052]

[Table 4]

[0053]

INDUSTRIAL APPLICABILITY The polyorganosiloxane emulsion composition of the present invention uses N-acylalkyltaurine or a salt thereof and has a cyclic organosiloxane oligomer content of 3.5% by weight or less. It has a feature that it has excellent makeup functionality. In addition, the cosmetic of the present invention has characteristics that it has a good affinity for hair and skin and is excellent in usability.

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) C08G 77/16 C08G 77/16 C08K 5/42 C08K 5/42 (72) Inventor Hidefumi Tanaka Ichihara City, Chiba Prefecture Chikage Kaigan 2-2 Toray Dow Corning Silicone Co., Ltd. Research & Development Headquarters F-term (reference) 4C083 AB012 AB051 AB312 AC122 AC172 AC642 AC662 AC712 AC791 AC792 AD132 AD151 AD152 AD171 AD172 CC23 CC38 DD31 EE06 EE07 EE28 4J002 CP031 CP061 EV256 FD316 GB00 HA07 4J035 BA01 CA051 EB04 LA08 LB14

Claims (10)

[Claims] 1. (A) polyorganosiloxane, (B)
A polyorganosiloxane emulsion comprising N-acylalkyltaurine and / or its salt and (C) water, wherein the content of the cyclic organosiloxane oligomer in the component (A) is 3.5% by weight or less. Composition. 2. A method obtained by emulsion polycondensation of (a) a polyorganosiloxane having a lower molecular weight than that of component (A) in water in the presence of (B) N-acylalkyl taurine and / or its salt. 2. The polyorganosiloxane emulsion composition according to 1. 3. The component (a) is represented by the general formula (I): HO (R ²
₂ SiO) _n H (wherein R ² is the same or different substituted or unsubstituted monovalent hydrocarbon group, and n is a value such that the viscosity at 25 ° C. is 10 to 30,000 mPa · s. .), The viscosity of component (A) at 25 ° C. is 100 to 10
The polyorganosiloxane emulsion composition according to claim 2, which has a viscosity of 0,000,000 mPa · s. 4. The component (B) has the general formula: R ³ —CO—NR ⁴ —C ₂ H ₄ —SO ₃ M (wherein
R ³ and R ⁴ are unsubstituted monovalent hydrocarbon groups, and M is a group selected from the group consisting of hydrogen atom, alkali metal atom, ammonium and triethanolammonium. The polyorganosiloxane emulsion composition of any one of Claims 1-3 which is a compound shown by these. 5. The polyorganosiloxane emulsion according to claim 2 or 3, wherein a salt of N-acylalkyl taurine is used as the component (B), and an inorganic acid or an organic acid is used in combination. Composition. 6. The polyorganosiloxane emulsion composition according to claim 1, wherein the content of the cyclic organosiloxane tetramer is 2.0% by weight or less. 7. The polyorganosiloxane emulsion composition according to claim 2, wherein the temperature at the time of emulsion condensation polymerization is 25 ° C. or lower. 8. A cosmetic raw material comprising the polyorganosiloxane emulsion composition according to any one of claims 1 to 7. 9. The cosmetic raw material according to claim 8, wherein the cosmetic is a cosmetic for hair. 10. The cosmetic composition is a skin cosmetic composition.
The cosmetic raw material described in.