CN110724448A - Water-based double-component elastic hand-feeling coating for airbag cover decoration, preparation method thereof and coating formed by same - Google Patents
Water-based double-component elastic hand-feeling coating for airbag cover decoration, preparation method thereof and coating formed by same Download PDFInfo
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- CN110724448A CN110724448A CN201911016832.1A CN201911016832A CN110724448A CN 110724448 A CN110724448 A CN 110724448A CN 201911016832 A CN201911016832 A CN 201911016832A CN 110724448 A CN110724448 A CN 110724448A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/42—Gloss-reducing agents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses an aqueous two-component elastic hand feeling coating for decorating a safety airbag cover, a preparation method thereof and a coating formed by the coating, wherein the coating comprises the following raw materials: aliphatic hydroxyl functional polyester polyurethane dispersoid, aliphatic anionic polyurethane dispersoid, anionic polycarbonate polyurethane dispersoid, organic silicon defoamer, acetylenic diol molecular defoamer, polyether modified siloxane wetting and leveling agent, deionized water, wetting dispersant, matting powder and ultra-high molecular weight polydimethylsiloxane dispersoid hand feeling agent; the paint is a water-based paint, has low VOC, is green and environment-friendly, and has excellent adhesive force, good water resistance, moisture resistance, gasoline resistance, acid and alkali resistance, car wax resistance and skin cream resistance; can be directly sprayed on the base material of the air bag cover ornament without priming, and the coating has the characteristics of strong adhesive force, good hand feeling and the like.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a water-based double-component elastic hand feeling coating for decorating a safety airbag cover, a preparation method of the water-based double-component elastic hand feeling coating and a coating formed by the water-based double-component elastic hand feeling coating.
Background
Automotive airbag cover materials are mainly classified into the following categories: copolyester elastomer (TPEE/COPE), TPO (or TPE), PVC, Thermoplastic Polyurethane (TPU), TPS-SEBS or TPS-SBS + PP, and most of coating components of the automobile airbag cover are solvent-based and the formed coating feels bad. The solvent-based coating not only pollutes the environment but also is harmful to the human health.
Disclosure of Invention
In order to solve the technical problems, the invention provides a water-based two-component elastic hand-feeling coating for decorating a safety airbag cover, a preparation method thereof and a coating formed by the coating, which can greatly reduce VOC (volatile organic compounds) emission, have excellent adhesiveness and have good performances of water resistance, moisture resistance, gasoline resistance, acid and alkali resistance, car wax resistance, skin cream resistance, wear resistance and scratch resistance.
The technical scheme adopted by the invention is as follows:
an aqueous two-component elastic hand feeling coating for decorating an airbag cover comprises the following raw materials in percentage by weight:
further, the aliphatic hydroxy-functional polyester polyurethane dispersion is Bayhydrol UXP 2698; the aliphatic anionic polyurethane dispersion is Bayhydrol UH 340/1; the anionic polycarbonate polyurethane dispersion is Impranil DLC-F. After Bayhydrol U XP2698 dispersoid reacts with a matched curing agent to form a film, excellent adhesive force is provided for airbag covers made of various materials; the Bayhydrol UH 340/1 dispersoid has lower degree of crosslinking reaction with a matched curing agent, has larger selectivity on the adhesive force of a plastic material, and the dispersoid resin can provide good elastic hand feeling and smoothness and simultaneously has excellent weather-resistant and yellowing-resistant performance; the Impranil DLC-F dispersion improves the abrasion resistance and scratch resistance of the paint film as a whole. The elastic hand feeling coating prepared by matching the three resins according to a proper proportion has good adhesive force to base materials made of TPS-SEBS or TPS-SBS + PP and the like in the market, has excellent elastic hand feeling effect and good anti-scratch performance, and can meet the requirements of multiple performance index tests.
The organic silicon defoaming agent is BYK-093, is a high-efficiency and high-compatibility standard defoaming agent for defoaming various common aqueous systems, has excellent spontaneous defoaming property, has long-acting property and high storage stability at high temperature and low temperature, is easy to use, is easy to combine with other defoaming agents, and does not affect transparency.
The acetylenic diol molecular defoaming agent is MD-20, and the MD-20 defoaming agent is a 100% active, solvent-free and non-organic silicon liquid product based on a gemini surfactant technology; when the coating is used together with a BYK-093 defoaming agent, the micro-foam in a system can be eliminated, and the defects of shrinkage cavity and the like of the coating are prevented.
The polyether modified siloxane wetting and leveling agent is BYK-348, and the leveling agent is used for water-based paint, so that the surface tension can be greatly reduced, the wetting of a base material is improved, and the surface slippage is not increased.
The wetting dispersant is DISPER BYK-192 which is a wetting dispersant without VOC and solvent, and when the wetting dispersant and the polyether modified siloxane wetting leveling agent are jointly used in a water-based paint system, a flat, smooth and uniform coating film can be formed in the drying film-forming process of the coating.
The matting powder comprises any one or more of 1.5-micron surface-treated silicon dioxide matting powder, 9.5-micron non-surface-treated silicon dioxide matting powder and 4.4-micron surface-treated silicon dioxide matting powder. The matching use of different kinds of matting powder can meet different hand feeling requirements of different customers for the coating.
The 1.5-micrometer surface treatment silicon dioxide matting powder is E-1011; the extinction powder of the 9.5 mu m silicon dioxide without surface treatment is TS-100; the extinction powder of the 4.4 mu m surface-treated silicon dioxide is OK-607; the addition of the matting powder can effectively and evenly control the surface gloss of the coating and can also provide the special hand feeling of the coating.
The handfeel agent of the ultra-high molecular weight polydimethylsiloxane dispersoid is DC-51, can obviously improve the scratch and scratch resistance of a coating film, and has a certain synergistic effect with the Impranil DLC-F dispersoid.
The invention also provides a preparation method of the water-based double-component elastic hand feeling coating for decorating the airbag cover, which comprises the following steps:
(1) mixing the aliphatic hydroxyl functional polyester polyurethane dispersion and the aliphatic anionic polyurethane dispersion according to the formula amount, sequentially adding an organic silicon defoaming agent, a polyether modified siloxane wetting and leveling agent, an ultra-high molecular weight polydimethylsiloxane dispersion hand feeling agent, 70% of deionized water, an acetylenic diol molecular defoaming agent and a wetting and dispersing agent according to the formula amount under the low-speed stirring of 500-700 r/min, and stirring for 10-20 minutes;
(2) under the stirring state at low speed of 300-;
(3) adding the rest 30 percent of deionized water according to the formula amount, and stirring for 40-60 minutes at the rotating speed of 2000-3000 r/min;
(4) under the low-speed stirring of 500-700 r/min, the anionic polycarbonate polyurethane dispersoid with the formula amount is added, and the stirring is continued for 10 to 20 minutes.
The invention also provides a water-based two-component elastic hand feeling coating for decorating the airbag cover, which is prepared by mixing the water-based two-component elastic hand feeling coating for decorating the airbag cover, a curing agent and deionized water according to the weight ratio of 100:7:7 and then coating the mixture.
Further, the curing agent is composed of the following raw materials in parts by weight: 75-85 parts of hydrophilic modified aliphatic polyisocyanate; 15-25 parts of polyurethane-grade ester solvent.
The hydrophilic modified aliphatic polyisocyanate is Bayhydur 304 which is commercially available from Costa.
The polyurethane grade ester solvent is Propylene Glycol Diacetate (PGDA) of Dow chemical sold in the market.
Compared with the prior art, the invention has the following advantages:
(1) the water-based double-component elastic hand feeling coating for decorating the airbag cover is a water-based coating, is low in VOC (volatile organic compound), green and environment-friendly, and has excellent adhesive force, high wear resistance, scratch resistance and excellent chemical resistance;
(2) the aqueous two-component elastic hand feeling coating for the airbag cover ornament prepared by the invention has good water resistance, moisture resistance, gasoline resistance, acid and alkali resistance, car wax resistance, skin cream resistance and the like;
(3) the invention saves cost and working procedures, can be directly sprayed on the base material of the air bag cover ornament without priming, and the coating has the characteristics of strong adhesive force, good hand feeling and the like.
Detailed Description
The present invention will be described in detail with reference to examples.
The manufacturers and the types of the raw materials used in the embodiments of the invention are as follows:
aliphatic hydroxyl functional polyester polyurethane dispersion: of Coresi Chuang Co
U XP2698；
Aliphatic anionic polyurethane dispersion: of Coresi Chuang Co
UH 340/1；
Anionic polycarbonate polyurethane dispersion: of Coresi Chuang Co
DLC-F；
And (3) organic silicon defoaming agent: BYK-093 of Pico chemistry
Acetylenic diol molecular scale antifoaming agent: aerochemical MD-20
Polyether modified siloxane wetting and leveling agent: BYK-348 of Pico chemical
Wetting and dispersing agent: DISPERBYK-192 of Pico chemical
1.5 μm surface-treated silica matting powder: e-1011 of Tosoh Japan
9.5 μm silica matting powder without surface treatment: winning TS-100
Ultra-high molecular weight polydimethylsiloxane dispersion hand feeling agent: DC-51 of Dow chemical.
Example 1
An aqueous two-component coating with elastic hand feeling for decorating an airbag cover comprises the following raw materials in percentage by weight as shown in example 1 in Table 1:
TABLE 1
The preparation method of the water-based double-component elastic hand feeling coating for decorating the airbag cover comprises the following steps:
(1) compounding amounts of aliphatic hydroxy-functional polyester polyurethane dispersionsU XP2698, aliphatic anionic polyurethane dispersions
UH 340/1, adding organosilicon defoamer BYK-093, polyether modified siloxane wetting and leveling agent BYK-348, ultra-high molecular weight polydimethylsiloxane dispersoid hand feeling agent DC-51, 70 percent of deionized water, acetylenic diol molecular defoamer MD-20, wetting dispersant DISPER in formula amount under the low-speed stirring of 500-700 r/minBYK-192, stirring for 10 minutes;
(2) under the stirring state at low speed of 300-;
(3) adding the rest 30 percent of deionized water according to the formula amount to clean the powder attached to the inner wall of the container, and stirring for 40-60 minutes at the rotating speed of 2000-3000 r/min;
(4) the formulated amount of anionic polycarbonate polyurethane dispersion was added with low speed stirring of 500-700 rpm
DLC-F, continue stirring for 10 minutes.
The waterborne two-component coating with elastic hand feeling for decorating the airbag cover, which is prepared in the embodiment, is mixed with a curing agent and deionized water uniformly according to the weight ratio of 100:7:7, is directly sprayed on a substrate of an airbag cover decoration made of TPS-SEBS or TPS-SBS + PP materials, and is baked at 80 ℃ for 50-60 minutes to form a coating on the surface of the substrate of the airbag cover decoration, wherein the performances of the obtained coating are shown in Table 2. The curing agent is 80 parts of hydrophilic modified aliphatic polyisocyanate
304 and 20 parts of PGDA are mixed and stirred uniformly.
Example 2
An aqueous two-component coating with elastic hand feeling for decorating an airbag cover comprises the raw materials in parts by weight shown in example 2 in table 1, and the preparation method is the same as that of example 1.
The waterborne two-component coating with elastic hand feeling for decorating the airbag cover, which is prepared in the embodiment, is mixed with a curing agent and deionized water uniformly according to the weight ratio of 100:7:7, is directly sprayed on a substrate of an airbag cover decoration made of TPS-SEBS or TPS-SBS + PP materials, and is baked at 80 ℃ for 50-60 minutes to form a coating on the surface of the substrate of the airbag cover decoration, wherein the performances of the obtained coating are shown in Table 2. The curing agent is 80 parts of hydrophilic modified aliphatic polyisocyanate
304 and 20 parts of PGDA are mixed and stirred uniformly.
Example 3
An aqueous two-component coating with elastic hand feeling for decorating an airbag cover comprises the raw materials in parts by weight shown in example 3 in table 1, and the preparation method is the same as that of example 1.
The waterborne two-component coating with elastic hand feeling for decorating the airbag cover, which is prepared in the embodiment, is mixed with a curing agent and deionized water uniformly according to the weight ratio of 100:7:7, is directly sprayed on a substrate of an airbag cover decoration made of TPS-SEBS or TPS-SBS + PP materials, and is baked at 80 ℃ for 50-60 minutes to form a coating on the surface of the substrate of the airbag cover decoration, wherein the performances of the obtained coating are shown in Table 2. The curing agent is 80 parts of hydrophilic modified aliphatic polyisocyanate
304 and 20 parts of PGDA are mixed and stirred uniformly.
Comparative example 1
A water-based two-component elastic hand feeling coating for decorating an airbag cover comprises the raw materials in parts by weight shown in comparative example 1 in Table 1, and the preparation method comprises the following steps:
(1) compounding amounts of aliphatic hydroxy-functional polyester polyurethane dispersions
U XP2698, an organic silicon defoamer BYK-093, a polyether modified siloxane wetting and leveling agent BYK-348, an ultra-high molecular weight polydimethylsiloxane dispersoid hand feeling agent DC-51 and 10.64 percent of deionized water are sequentially added into a container and stirred for 10 minutes at the stirring speed of 300 and 500 revolutions per minute to obtain a mixture;
(2) continuously adding 1.5 mu m surface treatment silicon dioxide matting powder E-1011 and 9.5 mu m surface treatment-free silicon dioxide matting powder TS-100 in the formula amount, slowly adding the mixture obtained in the step (1), cleaning the powder attached to the inner wall of the container by using the rest 4.56 percent of deionized water, then dispersing the paint at the rotating speed of 2000-3000 rpm for 40-60 minutes, and enabling the mixture to reach the fineness within 30 micrometers through high-speed dispersion;
(3) compounding amounts of anionic polycarbonate polyurethane dispersionDLC-F is added into the mixture obtained in the step (2) and dispersed for 10 minutes at the rotating speed of 500-700 rpm to obtain the aqueous two-component elastic handfeel coating for the decorative coating of the airbag decorative cover;
the waterborne two-component coating with elastic hand feeling for decorating the airbag cover, which is prepared in the comparative example, is mixed with a curing agent and deionized water uniformly according to the weight ratio of 100:14:7-14, is directly sprayed on a substrate of an airbag cover decoration made of TPS-SEBS or TPS-SBS + PP materials, and is baked at 80 ℃ for 50-60 minutes to form a coating on the surface of the substrate of the airbag cover decoration, wherein the performances of the obtained coating are shown in Table 2. The curing agent is 80 parts of hydrophilic modified aliphatic polyisocyanate
304 and 20 parts of PGDA are mixed and stirred uniformly.
Comparative example 2
An elastic hand feeling coating for decorating an airbag cover comprises the raw materials in parts by weight shown in comparative example 2 in table 1, and the preparation method comprises the following steps:
(1) compounding amounts of aliphatic hydroxy-functional polyester polyurethane dispersions
U XP2698, aliphatic anionic polyurethane dispersionsUH 340/1, adding an organic silicon defoamer BYK-093, a polyether modified siloxane wetting and leveling agent BYK-348, an ultra-high molecular weight polydimethylsiloxane dispersoid hand feeling agent DC-51 and 8.68 percent of deionized water into a container in sequence, and stirring for 10 minutes at a stirring speed of 300-500 rpm to obtain a mixture;
(2) continuously adding 1.5 mu m surface treatment silicon dioxide matting powder E-1011 and 9.5 mu m surface treatment-free silicon dioxide matting powder TS-100 in the formula amount, slowly adding the mixture obtained in the step (1), cleaning the powder attached to the inner wall of the container by using the rest 3.72 percent of deionized water, then dispersing the paint at the rotating speed of 2000-3000 rpm for 40-60 minutes, and enabling the mixture to reach the fineness within 30 micrometers through high-speed dispersion to obtain the water-based two-component elastic handfeel paint for the airbag decorative cover decoration paint;
the waterborne two-component coating with elastic hand feeling for decorating the airbag cover, which is prepared in the comparative example, is mixed with a curing agent and deionized water uniformly according to the weight ratio of 100:10:7-10, is directly sprayed on a substrate of the TPS-SEBS or TPS-SBS + PP airbag cover decoration, and is baked at 80 ℃ for 50-60 minutes to form a coating on the surface of the substrate of the airbag cover decoration, and the performances of the obtained coating are shown in Table 2. The curing agent is 80 parts of hydrophilic modified aliphatic polyisocyanate
304 and 20 parts of PGDA are mixed and stirred uniformly.
The properties of the surface coatings of the substrates of the airbag covering members in the respective examples and comparative examples are shown in table 2:
TABLE 2
The above detailed description of the water-based two-component airbag cover decorative elastic feel paint, the preparation method thereof and the coating layer formed therefrom with reference to the examples is illustrative and not restrictive, and several examples can be cited within the limits thereof, so that changes and modifications that do not depart from the general concept of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. The water-based double-component elastic hand-feeling coating for decorating the airbag cover is characterized by comprising the following raw materials in percentage by weight:
2. the waterborne two-component airbag cover decorative elastic feel coating of claim 1, wherein the aliphatic hydroxyl-functional polyester polyurethane dispersion is bayhydril U XP 2698; the aliphatic anionic polyurethane dispersion is Bayhydrol UH 340/1; the anionic polycarbonate polyurethane dispersion is impranilildlc-F.
3. The aqueous two-component coating with elastic hand feeling for decorating the airbag cover according to claim 1, wherein the silicone defoamer is BYK-093; the acetylenic diol molecular defoaming agent is MD-20.
4. The aqueous two-component coating with elastic hand feeling for decorating the airbag cover according to claim 1, wherein the polyether modified siloxane wetting and leveling agent is BYK-348.
5. The aqueous two-component coating material for decorating an airbag cover with elastic hand feeling according to claim 1, wherein the wetting dispersant is DISPERBYK-192.
6. The aqueous two-component coating with elastic hand feeling for decorating the airbag cover according to claim 1, wherein the matting powder comprises any one or more of 1.5 μm surface-treated silica matting powder, 9.5 μm non-surface-treated silica matting powder and 4.4 μm surface-treated silica matting powder.
7. The aqueous two-component coating for decorating an airbag cover according to claim 1, wherein the ultra-high molecular weight polydimethylsiloxane dispersion hand feeling agent is DC-51.
8. The preparation method of the water-based two-component airbag cover decorative elastic feel coating according to any one of claims 1 to 7, characterized by comprising the following steps:
(1) mixing the aliphatic hydroxyl functional polyester polyurethane dispersion and the aliphatic anionic polyurethane dispersion according to the formula amount, sequentially adding an organic silicon defoaming agent, a polyether modified siloxane wetting and leveling agent, an ultra-high molecular weight polydimethylsiloxane dispersion hand feeling agent, 70% of deionized water, an acetylenic diol molecular defoaming agent and a wetting and dispersing agent according to the formula amount under the low-speed stirring of 500-700 r/min, and stirring for 10-20 minutes;
(2) under the stirring state at low speed of 300-;
(3) adding the rest 30 percent of deionized water according to the formula amount, and stirring for 40-60 minutes at the rotating speed of 2000-3000 r/min;
(4) under the low-speed stirring of 500-700 r/min, the anionic polycarbonate polyurethane dispersoid with the formula amount is added, and the stirring is continued for 10 to 20 minutes.
9. An aqueous two-component elastic hand feeling coating for decorating an airbag cover is characterized by being prepared from the aqueous two-component elastic hand feeling coating for decorating the airbag cover, a curing agent and deionized water according to the weight ratio of 100:7:7 in claims 1-7 and then coated.
10. The waterborne two-component elastic hand feeling coating for decorating the air bag cover according to claim 9, wherein the curing agent is composed of the following raw materials in parts by weight: 75-85 parts of hydrophilic modified aliphatic polyisocyanate; 15-25 parts of polyurethane-grade ester solvent.
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| CN112708338A (en) * | 2021-01-15 | 2021-04-27 | 江阴市荣新塑化有限公司 | Water-based soft-touch elastic finish paint for automotive interior and preparation method thereof |
| CN112831264A (en) * | 2020-12-31 | 2021-05-25 | 芜湖春风新材料有限公司 | Water-based automotive interior soft-feel coating and preparation method and use method thereof |
| CN113861820A (en) * | 2021-09-30 | 2021-12-31 | 成都美中美涂料有限公司 | Water-based home decoration skin-feel matte white finish paint and production process thereof |
| CN114213954A (en) * | 2021-12-31 | 2022-03-22 | 肇庆千江水漆有限公司 | Water-based skin-feel paint and preparation method and use method thereof |
| CN114292575A (en) * | 2021-12-24 | 2022-04-08 | 芜湖春风新材料有限公司 | Boiling-resistant sunscreen cream-resistant waterborne polyurethane coating for automotive interior and preparation method and use method thereof |
| CN115537106A (en) * | 2022-09-23 | 2022-12-30 | 中华制漆（深圳）有限公司 | Water-based hand-feeling rubber coating and using method thereof |
| CN115820095A (en) * | 2022-12-01 | 2023-03-21 | 福建省三棵树新材料有限公司 | Skin-feel interior wall finish emulsion paint with high washing resistance and stain resistance and preparation method thereof |
| WO2023205721A1 (en) * | 2022-04-20 | 2023-10-26 | Lapel, Llc | Antifoamer for grinding or polishing compositions and methods for using the same |
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| CN112708338A (en) * | 2021-01-15 | 2021-04-27 | 江阴市荣新塑化有限公司 | Water-based soft-touch elastic finish paint for automotive interior and preparation method thereof |
| CN113861820A (en) * | 2021-09-30 | 2021-12-31 | 成都美中美涂料有限公司 | Water-based home decoration skin-feel matte white finish paint and production process thereof |
| CN114292575A (en) * | 2021-12-24 | 2022-04-08 | 芜湖春风新材料有限公司 | Boiling-resistant sunscreen cream-resistant waterborne polyurethane coating for automotive interior and preparation method and use method thereof |
| CN114213954A (en) * | 2021-12-31 | 2022-03-22 | 肇庆千江水漆有限公司 | Water-based skin-feel paint and preparation method and use method thereof |
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| CN115537106B (en) * | 2022-09-23 | 2024-02-09 | 中华制漆（深圳）有限公司 | Water-based hand feeling rubber coating and application method thereof |
| CN115820095A (en) * | 2022-12-01 | 2023-03-21 | 福建省三棵树新材料有限公司 | Skin-feel interior wall finish emulsion paint with high washing resistance and stain resistance and preparation method thereof |
| CN115820095B (en) * | 2022-12-01 | 2023-12-12 | 福建省三棵树新材料有限公司 | High-brushing-resistance and stain-resistance skin-feel interior wall finish emulsion paint and preparation method thereof |
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