KR101537512B1 - Mousse type aqueous stain aerosol composition - Google Patents

Abstract

The present invention relates to a mousse type aqueous stain aerosol composition, which can be used as a mousse type with excellent working properties without flowing paint during roller painting or brush painting, and which is capable of charging aerosol for excellent storing stability. The composition comprises 40-60 parts by weight of acryl acrylic core-shell emulsion, 1-3 parts by weight of an anti-freezing agent, 0.5-1.5 parts by weight of an antifoaming agent, 0.2-0.4 parts by weight of an anti-precipitating agent, 0.1-0.5 parts by weight of a pH regulator, 0.2-0.3 parts by weight of a viscosity increasing agent, and 40-60 parts by weight of water.

Description

[0001] MOUS TYPE AQUEOUS STAIN AEROSOL COMPOSITION [0002]

The present invention relates to a mousse type aqueous stain aerosol composition, and more particularly, to a mousse type aqueous stearic acid aerosol composition which can be used in a mousse type so that even when a roller coating or a brush is applied, To an aqueous stain aerosol composition of a mousse type.

Wooden products are graceful and soft as a living tool around us. As the standard of living improves, the demand for them is increased and the paint to be painted is diversified and upgraded.

The characteristic of wood coating is that uniquely natural wood, which has very complicated structure and structure, forms a natural beauty such as wood grain, shape and touch unique to wood, This transparent coating tends to cause technical difficulties for improving the appearance such as color, smoothness and dimensional sensation and various problems due to expansion and contraction of water. Wooden painting is an extremely important task that enhances the durability and durability of the product, emphasizes the beauty of the wood and determines the value of the product.

Wooden stain is a paint designed to color wood in various colors and deeply penetrate inside the wood to improve the wood texture and improve the durability of the wood.

The prior art for such wood coatings is as follows.

Korean Patent No. 0987187 discloses a thermoplastic elastomer composition comprising at least one selected from the group consisting of polyester, epoxy and polyester-epoxy hybrid resins having a carboxyl group which can be used for wood, A thermosetting powder coating material of 50 to 80 seconds and an ultraviolet curing type powder coating material of an unsaturated polyester resin or an unsaturated resin of vinyl urethane resin are mixed at a weight ratio of 1: 9 to 3: 7, Characterized in that the ultraviolet ray curable resin composition has a gloss of 30 to 50% under the condition of ultraviolet curing under irradiation of 1500 mJ / cm < 2 > in a UV curing machine after thermal curing using an IR Curable powder coating material.

In Korean Patent Laid-Open No. 1998-0052887, 20 to 50% by weight of a water-soluble urethane acrylate resin, 0 to 20% by weight of a monomer, 0.5 to 5% by weight of a photoinitiator, 1 to 80% by weight of water, By weight and a solvent of 0 to 10% by weight based on the total weight of the composition.

The above-mentioned conventional wood coatings have a problem that they are sprayed or flowed in the case of roller coating or brush coating, and a small amount of coating is often applied to the wood.

In order to solve the problems of the prior art described above, the present inventors have conducted studies to develop an aqueous stain composition which can be used as a mousse type in which an aqueous stainless steel for wood can be filled with aerosols, and as a result, the present invention has been completed.

Accordingly, an object of the present invention is to provide an aqueous stain-based aerosol composition for wood-type mousse that not only imparts antimicrobial properties to timber, but also does not flow even when a roller or brush is applied.

It is another object of the present invention to provide a wood-type, mousse-type aqueous stain aerosol composition which is capable of being filled with aerosols in a container so that it can be used as a mousse type and has excellent storage stability and ease of handling.

In order to attain the above object, the present invention provides a method for producing an anti-caking agent, which comprises 40 to 60 parts by weight of an acrylic core shell emulsion, 1 to 3 parts by weight of a cryoprotectant, 0.5 to 1.5 parts by weight of a defoamer, 0.2 to 0.4 parts by weight of a sedimentation inhibitor, 0.2 to 0.3 parts by weight of a thickener and 40 to 60 parts by weight of water.

In addition, the mousse type aqueous stain aerosol composition according to the present invention may further comprise 0.5 to 1.0 part by weight of an antifungal agent.

In one embodiment of the present invention, the acrylic core shell emulsion may be an acrylic dispersed emulsion of a core shell structure comprising a shell of methyl methacrylate and a shell of 2-ethylhexyl acrylate.

In one embodiment of the present invention, the cryoprotectant may be propylene glycol or ethylene glycol.

In one embodiment of the present invention, the defoaming agent may be an emulsion type defoaming agent comprising a polyether siloxane copolymer.

In one embodiment of the present invention, the anti-settling agent may be selected from the group consisting of bentonite, polyamide wax, and silica.

In one embodiment of the present invention, ammonia or organic amines may be used as the pH regulator.

In one embodiment of the present invention, the thickener may be selected from the group consisting of hydroxyethylcellulose, an alkali-swelling emulsion thickener, a urethane associative thickener, and a poly-ether thickener.

In one embodiment of the present invention, the sterilizing agent is selected from the group consisting of 3-iodo-propynyl-butyl carbamate, 2-n-octyl-4-isothiazolin-3-one and propiconazole Can be used.

The water-based stain aerosol composition for wood according to the present invention can be used in the form of a mousse so that even when the roller or brush is painted, the paint does not bounce or flow, the workability is excellent, the aerosol can be filled, Can be imparted with antimicrobial activity.

Fig. 1 is a photograph taken before the wiping of the surface of wood after filling the container with an aqueous stain aerosol composition of the mousse type for a wood produced in Example 1 according to the present invention and spraying it on the wood.
FIG. 2 is a photograph of the surface of wood after filling the container with an aqueous stain aerosol composition of the mousse type for a wood produced in Example 1 according to the present invention, spraying it onto wood, and wiping it.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and should be construed in accordance with the technical meanings and concepts of the present invention.

The embodiments described herein are preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention, so that various equivalents and modifications may be substituted for them at the time of application of the present invention.

The mousse type aqueous stain aerosol composition according to the present invention comprises 40 to 60 parts by weight of an acrylic core shell emulsion, 1 to 3 parts by weight of a cryoprotectant, 0.5 to 1.5 parts by weight of a defoaming agent, 0.2 to 0.4 parts by weight of an anti- 0.2 to 0.3 parts by weight of a thickener, and 40 to 60 parts by weight of water.

Another embodiment of the present invention is a mousse type aqueous stain aerosol composition further comprising 0.5 to 1.0 part by weight of disinfectant.

The acrylic core shell emulsion used in the present invention is prepared by dispersing a hard core monomer such as methyl methacrylate in an emulsion having core shell-containing acrylic particles containing soft monomers such as 2-ethylhexyl acrylate Quot;

The acrylic emulsion of the core shell structure used in the present invention may be commercially available, for example, ACRONAL PA-510 from BASF, which is suitable for use in an aqueous stain, but is not necessarily limited thereto.

When the acrylic emulsion having the core shell structure is used as in the present invention, a film is formed on the outer surface of the coating film to lower the blocking resistance and the MFFT (Minimum Film Formation Temperature) A low-temperature coating film can be formed even if no preservative is added.

In one embodiment of the mousse type aqueous stain aerosol composition according to the present invention, the acrylic core shell emulsion is included in an amount of 40 to 60 parts by weight.

When the acrylic core shell emulsion is contained in the mousse type aqueous stain aerosol composition according to the present invention, the weatherability may be lowered. When the acrylic core shell emulsion is contained in an amount exceeding the above range, the solid content is increased, The permeability, which is an important physical property of the aerosol composition, may deteriorate and the gloss may be excessively increased.

Non-limiting examples of the cryoprotectant contained in the mousse type aqueous stain aerosol composition according to the present invention include propylene glycol or ethylene glycol.

If the cryoprotectant is contained in the mousse-type aqueous stain aerosol composition according to the present invention at less than the above range, it may be difficult to use the aqueous stain aerosol composition at low temperatures (below about 0 ° C) during storage, Is contained in an amount exceeding the above range, drying and workability may be deteriorated.

As the antifoaming agent contained in the mousse type aqueous stain aerosol composition according to the present invention, an antifoaming agent of the emulsion type of the polyether siloxane copolymer of the following general formula (1) can be used.

[Chemical Formula 1]

When the antifoaming agent contained in the mousse type aqueous stain aerosol composition according to the present invention is contained in the range below the above range, air bubbles may be generated in the coating film formed by applying the aqueous stain aerosol composition of the present invention, The mousse formed by spraying the aqueous stain aerosol composition of the present invention promotes vesicles and may deteriorate mousse workability.

The anti-settling agent included in the mousse type aqueous stain aerosol composition according to the present invention may be selected from the group consisting of bentonite, polyamide wax and silica, but is not limited thereto.

When the sedimentation inhibitor contained in the mousse type aqueous stain aerosol composition according to the present invention is contained in the range below the above range, the pigment may precipitate and the hue may not be uniform. When the sedimentation inhibitor is contained in the above range, One thixotropic property may increase, and spraying after aerosol filling may not be easy.

Ammonia or organic amines (for example, tertiary amines, alcohol amines) may be used as the pH regulator contained in the mousse type aqueous stain aerosol composition according to the present invention.

When the pH adjuster is used outside the above range in the mousse type aqueous stain aerosol composition according to the present invention, the storage stability may be lowered and the viscosity may be increased.

The thickening agent contained in the mousse type aqueous stain aerosol composition according to the present invention may be selected from the group consisting of hydroxyethyl cellulose, alkali-swelling emulsion thickener, urethane associative thickener and poly-ether thickener, It is preferable to use a urethane associative thickener having good water resistance.

When the thickener is contained in the aerosol composition of the present invention in an amount of less than the above range, the viscosity may be lowered and the aerosol composition may not be sprayed on the mousse. When the viscosity agent is contained in the aerosol composition in an amount exceeding the above range, The mousse injection may not be easy.

The antifungal agent contained in the mousse-type aqueous stain aerosol composition according to the present invention is 3-iodo-propynyl-butylcarbamate (IPBC), 2-n-octyl- 2- n- octyl-4-isothiazolin-3-one and propiconazole, but the present invention is not limited thereto.

When the antifungal agent is contained in the aerosol composition of the mousse type according to the present invention at less than the above range, the antimicrobial activity which gives importance to the durability of the wood may be lowered and the weatherability may be lowered.

According to the invention Water is included in 40 to 60 parts by weight of the mousse type aqueous stain aerosol composition.

In one embodiment of the present invention, a mousse type aqueous stain aerosol composition according to the present invention can be prepared as follows.

The water-based stain-resistant aerosol composition according to the present invention is prepared by stirring water and an anti-settling agent, and then adding a pH adjusting agent, a cryoprotectant, a defoaming agent, a disinfectant, an acrylic emulsion and water, stirring the mixture, .

Example

The present invention will be described with reference to the following examples, which do not limit the scope of the present invention.

Example  One

0.3 parts by weight of an anti-settling agent (OPTIGEL WX, ADKEM) was added to 10 parts by weight of water, and the mixture was stirred at 1000 to 1500 rpm for 20 to 40 minutes with a high-speed stirrer to check the cotton state. 0.3 parts by weight of a pH adjusting agent (AMP-95, ANGUS Chemmical Co.), 2 parts by weight of propylene glycol as a cryoprotectant, 1 part by weight of a defoamer (TEGO FOAMEX 822, Evonik Industries AG), antiseptic agent (POLYPHASE 641, Troy Co., Ltd.), 50 parts by weight of an acrylic emulsion (ACRONAL PA-510, BASF) and 35.2 parts by weight of water, followed by stirring at 500 to 800 rpm. Finally, 0.2 part by weight of a thickener (ACRYSOL RM-845, Dow Chemical Company) was added and stirred at 500 to 800 rpm to prepare a mousse type aqueous stain aerosol composition according to the present invention.

Example  2

And 0.2 part by weight of an anti-settling agent were added to the mixture, to prepare an aqueous stain aerosol composition of the present invention.

Example  3

Except that 0.4 parts by weight of an anti-settling agent was added, to prepare a mousse type aqueous stain aerosol composition according to the present invention.

Example  4

Except that 0.3 part by weight of a thickener was added to the aqueous solution of the present invention to prepare a mousse type aqueous stain aerosol composition according to the present invention.

Comparative Example  One

0.6 parts by weight of an anti-settling agent (OPTIGEL WX, ADKEM) was added to 10 parts by weight of water, and the mixture was stirred at 1000 to 1500 rpm for 20 to 40 minutes with a high-speed stirrer. 0.3 parts by weight of a pH adjusting agent (AMP-95, ANGUS Chemmical Co.), 2 parts by weight of propylene glycol, 0.5 parts by weight of a defoamer (TEGO FOAMEX 822, Evonik Industries AG), antifungal agent (POLYPHASE 641, Troy Co.) , 50 parts by weight of an acrylic emulsion (ACRONAL PA-510, BASF) and 35.4 parts by weight of water, followed by stirring at 500 to 800 rpm. Finally, 0.2 part by weight of a thickener (ACRYSOL RM-845, Dow Chemical Company) was added and stirred at 500 to 800 rpm to prepare a mousse type aqueous stain aerosol composition according to the present invention.

Comparative Example  2

1 part by weight of an anti-settling agent (OPTIGEL WX, ADKEM) was added to 10 parts by weight of water, and the mixture was stirred at 1000 to 1500 rpm for 20 to 40 minutes with a high-speed stirrer. 0.3 parts by weight of a pH adjusting agent (AMP-95, ANGUS Chemmical Co.), 2 parts by weight of propylene glycol, 0.5 parts by weight of a defoamer (TEGO FOAMEX 822, Evonik Industries AG), antifungal agent (POLYPHASE 641, Troy Co.) , 50 parts by weight of an acrylic emulsion (ACRONAL PA-510, BASF) and 34.7 parts by weight of water, followed by stirring at 500 to 800 rpm. Finally, 0.5 part by weight of a thickener (ACRYSOL RM-845, Dow Chemical Company) was added and stirred at 500 to 800 rpm to prepare a mousse type aqueous stain aerosol composition according to the present invention.

Comparative Example  3

And 1.6 parts by weight of an antifoaming agent were used in place of the antifoaming agent, to prepare an aqueous stain aerosol composition of the present invention.

Comparative Example  4

The aqueous stain aerosol composition of the present invention was prepared in the same manner as in Example 1, except that 3.2 parts by weight of a cryoprotectant was used.

Test Example  One

The mousse-type aqueous stain aerosol composition prepared in Examples 1 to 4 and Comparative Examples 1 to 4 was charged into a container and subjected to physical property tests according to the following physical property measuring methods in the process of wiping the same in wood. Respectively.

In addition, the spray composition of the spray composition of the wood-based mousse type stain aerosol composition prepared in Example 1 according to the present invention was sprayed onto wood, photographed before wiping and sprayed on wood, After photographing the surface of the wood after pinging, it is shown in Fig.

Referring to FIG. 1, it can be seen that the aqueous stain aerosol composition according to the present invention is made into a mousse type, and referring to FIG. 2, it can be seen that the aqueous stain composition is well wiped on wood with excellent drying and permeability. have.

How to measure property

* Viscosity: measured by KSM ISO-2431

* Appearance: Determination of surface state, swelling, discoloration degree on the dried film

* Drying time: measured by KSM5000-2511

* Low temperature film (1 ℃): It is coated on a glass plate with a 100 ㎛ applicator, and then it is stored in a refrigerator at 1 ℃ to confirm that the film is cracked after storage.

* Water resistance: It is painted twice with wood brush with brush and dried for 1 day.

* Nozzle jetting degree: Aerosol filling confirms uniform spraying in case of spraying

* Wiping workability: Ensure that the wiping is done uniformly on the wood by wiping the wiping cloth with a mortar.

* Fungicidal activity: Five fungi were cultured for 4 weeks and the degree of fungi cultivation was evaluated according to the following (0: not growing, 1: 10% grown, 2: 10 to 30% grown, 3: 30 to 60% Growth, 4: Greater than 60%)

* Whitening phenomenon: It is applied to a glass plate with a 75 μm applicator, dried for 1 day,

[Table 1]

Referring to Table 1, when the sedimentation inhibitor is used in an excessive amount as in Comparative Example 1, and when the sedimentation inhibitor and the thickening agent are used in excess as in Comparative Example 2, nozzle spraying from the aerosol-filled container is not easy, It is not easy to wipe the aqueous stain of Comparative Example 3, and when the antifoaming agent is used in an excess amount as in Comparative Example 3 and when the antifreezing agent is used in an excessive amount as in Comparative Example 4, the workability is deteriorated.

Claims (9)

0.1 to 0.5 parts by weight of a pH adjusting agent, 0.2 to 0.3 parts by weight of a thickener, and 40 to 60 parts by weight of an acrylic core shell emulsion, 1 to 3 parts by weight of a cryoprotectant, 0.5 to 1.5 parts by weight of a defoaming agent, To 60 parts by weight,
Wherein the acrylic core shell emulsion is an acrylic dispersed emulsion having a core shell structure including a shell made of methyl methacrylate and a shell made of 2-ethylhexyl acrylate,
Wherein the cryoprotectant is propylene glycol or ethylene glycol,
Wherein the defoamer is an emulsion type defoamer comprising a polyether siloxane copolymer,
The anti-settling agent is selected from the group consisting of bentonite, polyamide wax and silica,
Wherein the pH adjusting agent is ammonia or an organic amine,
Wherein the thickener is selected from the group consisting of hydroxyethylcellulose, an alkali-swellable emulsion thickener, a urethane associative thickener, and a poly-ether thickener.
The method according to claim 1,
Wherein the composition further comprises 0.5 to 1.0 part by weight of an antifungal agent.
delete delete delete delete delete delete 3. The method of claim 2,
Wherein the antifungal agent is selected from the group consisting of 3-iodo-propynyl-butyl carbamate, 2-n-octyl-4-isothiazolin-3-one and propiconazole. Aerosol composition.

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