CN114656871B - UV (ultraviolet) colored paint coating for automotive interiors and preparation method thereof - Google Patents

UV (ultraviolet) colored paint coating for automotive interiors and preparation method thereof Download PDF

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CN114656871B
CN114656871B CN202210008001.5A CN202210008001A CN114656871B CN 114656871 B CN114656871 B CN 114656871B CN 202210008001 A CN202210008001 A CN 202210008001A CN 114656871 B CN114656871 B CN 114656871B
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mixture
resistance
initiator
functionality
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CN114656871A (en
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甘源泉
汪亮
杨朝均
叶德友
林志远
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Huizhou Bester Chemical Co ltd
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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
    • C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/46—Polymerisation initiated by wave energy or particle radiation
    • C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
    • 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
    • C09D7/47—Levelling agents
    • 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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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a UV (ultraviolet) colored paint coating for automotive interiors, which comprises the following preparation raw materials in parts by weight: 55-80 parts of acrylic resin polymer, 5-20 parts of acrylate monomer, 10-20 parts of color paste, 1-10 parts of initiator, 0.1-1 part of auxiliary agent, 1-10 parts of matte powder and 3-15 parts of acetate. According to the invention, through the synergistic effect of the aliphatic polyurethane acrylic ester with the functionality of 3-6, the reactive sites in the polymer system are increased, so that the high curing efficiency can be achieved in dark colored paint. And the dipentaerythritol hexaacrylic resin and the trimethylolpropane triacrylate are adopted to perform a polymerization reaction with polyurethane acrylate, so that the paint film achieves better hardness, adhesive force and scratch resistance, and the formed compact paint film has good effects of hydrolysis resistance, alcohol resistance, organic solvent resistance, surfactant resistance, pesticide resistance and grease resistance.

Description

UV (ultraviolet) colored paint coating for automotive interiors and preparation method thereof
Technical Field
The invention relates to a UV (ultraviolet) colored paint coating for automotive interiors, relates to C09D, and particularly relates to the field of coating compositions.
Background
The ultraviolet curing coating can be instantly cured, compared with the high-temperature curing coating, the ultraviolet curing coating has the advantages of a curing time period and low energy consumption, the color paint coating applied to the automotive interior is mainly in a deep color system, but the ultraviolet curing coating of the deep color system is poor in curing effect and easy to generate the condition of surface dryness and internal humidity, and the ultraviolet curing coating of the deep color system on the market can realize the coexistence of additive color and curing efficiency, but the cured color paint coating is poor in hydrolysis resistance and weather resistance and can not meet the requirements for the automotive interior, so that the development of the ultraviolet curing coating of the deep color system for the automotive interior is critical to meet the requirements for low volatile VOC (volatile organic compounds) and good hydrolysis resistance and weather resistance.
Chinese patent No. 201511025483.1 discloses an ultraviolet light curing coating and a preparation method thereof, wherein the thermal stability and wear resistance of the light curing coating are improved by modifying polyurethane acrylic ester with cyclohexyl dimethanol, but the formed coating is transparent, and the curing effect is possibly reduced after dark color paste is added. Chinese patent No. 201410214908.2 discloses a UV light-cured camouflage paint for vehicles and a preparation method thereof, wherein 4-functionality polyurethane acrylate and epoxy acrylate are adopted to blend to form the camouflage paint with high curing speed and good adhesive force, but the formed paint film has high hardness and poor hand feeling, and is not suitable for automotive interiors.
Disclosure of Invention
In order to improve the curing effect of dark colored paint under ultraviolet light and meet the requirements of automotive interiors, a first aspect of the invention provides an automotive interior UV colored paint coating, which is prepared from the following raw materials in parts by weight: 55-80 parts of acrylic resin polymer, 5-20 parts of acrylate monomer, 10-20 parts of color paste, 1-10 parts of initiator, 0.1-1 part of auxiliary agent, 1-10 parts of matte powder and 3-15 parts of acetate.
As a preferred embodiment, the preparation raw materials comprise, in parts by weight: 60-75 parts of acrylic resin polymer, 10-18 parts of acrylate monomer, 10-20 parts of color paste, 2-6 parts of initiator, 0.3-1 part of auxiliary agent, 3-6 parts of matte powder and 5-10 parts of acetate.
As a preferred embodiment, the preparation raw materials comprise, in parts by weight: 62 parts of acrylic resin polymer, 11 parts of acrylate monomer, 13 parts of color paste, 3.8 parts of initiator, 0.7 part of auxiliary agent, 4 parts of matte powder and 5 parts of acetate.
As a preferred embodiment, the acrylic polymer is selected from one or a combination of several of polyester acrylate, polyether acrylate, epoxy acrylate and polyurethane acrylate.
As a preferred embodiment, the urethane acrylate is an aliphatic urethane acrylate, preferably the functionality of the aliphatic urethane acrylate is 3-6.
As a preferred embodiment, the aliphatic urethane acrylate is a combination of aliphatic urethane acrylates having functionalities of 5 and 6.
As a preferred embodiment, the aliphatic urethane acrylate having a functionality of 5 has a viscosity of 700 to 2600cps at 25 ℃, preferably the aliphatic urethane acrylate having a functionality of 5 has a solids content of 50 to 60wt%.
As a preferred embodiment, the aliphatic urethane acrylate having a functionality of 6 has a viscosity of 55000 to 75000cps at 60 ℃, and preferably the aliphatic urethane acrylate having a functionality of 6 has a solid content of 90 to 100wt%.
As a preferred embodiment, the weight ratio of the aliphatic urethane acrylates having the functionalities of 5 and 6 is (50 to 60): (10-15).
As a preferred embodiment, the weight ratio of aliphatic urethane acrylates having functionalities 5 and 6 is 52:10.
as a preferred embodiment, the acrylate monomer has a functionality of 3 to 6, and preferably, the acrylate monomer is selected from one or a combination of several of trimethylolpropane triacrylate, dipentaerythritol hexaacrylate resin, tris (2-hydroxyethyl) isocyanate triacrylate, pentaerythritol tetraacrylate resin, pentaerythritol pentaacrylate resin, pentaerythritol triacrylate, trimethylolpropane tetraacrylate.
The applicant finds that in the experimental process, the polyurethane acrylate polymer with the functionality of 3-6 reacts with the acrylic acid monomer to ensure that the ultraviolet curing acrylic acid coating can still maintain good curing rate under a dark color system, so that the upper layer and the lower layer of the cured paint film are in a uniform curing state, and the possible reasons are hypothesized to be: the dark color paste of the dark color system can absorb most of energy in the ultraviolet fixed-line paint, when the addition amount of the dark color paste is too much, most of light is absorbed by the dark color paste, so that the photoinitiator cannot absorb energy to generate enough free radicals to initiate polymerization of reactants, the generated partial free radicals initiate curing of an upper paint film, a bottom paint film cannot react after being initiated, the upper paint film is cured and formed, a large amount of oligomers still contained in the bottom paint film do not react, the weather resistance and the wear resistance of the paint film are reduced, and the applicant finds that the bottom paint film can be quickly cured by introducing polyurethane acrylate polymer with the functionality of 3-6 to react with acrylic acid monomers, so that good curing effect is achieved, and possible reasons are hypothesized: when the functionality is 3-6, the acrylic acid monomer and the acrylic acid prepolymer have a plurality of reactive sites, and can realize rapid reaction and solidification by using fewer free radicals, so that the primer and the upper layer paint can realize simultaneous solidification, and the conditions of external drying and internal wetting are avoided.
As a preferred embodiment, the acrylate monomer is a combination of trimethylolpropane triacrylate, dipentaerythritol hexaacrylate.
As a preferred embodiment, the weight ratio of trimethylolpropane triacrylate to dipentaerythritol hexaacrylic resin is (5-10): (5-8).
As a preferred embodiment, the weight ratio of the trimethylolpropane triacrylate to the dipentaerythritol hexaacrylic resin is 6:5.
as a preferred embodiment, the initiator is a photoinitiator, preferably, the photoinitiator is selected from one or a combination of a plurality of benzil-type initiator, alkyl benzene ketone-type initiator, acyl phosphorus oxide initiator and benzophenone-type initiator.
As a preferred embodiment, the initiator is a combination of an alkyl benzophenone initiator and an acyl phosphorus oxide initiator.
As a preferred embodiment, the alkyl benzene ketone initiator is 1-hydroxycyclohexyl phenyl ketone and the acylphosphorus oxide initiator is a combination of 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide and phenyl bis (2, 4, 6-trimethylbenzoyl) phosphine oxide.
As a preferred embodiment, the weight ratio of 1-hydroxycyclohexyl phenyl ketone, 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide and phenyl bis (2, 4, 6-trimethylbenzoyl) phosphine oxide is (1-3): (0.5-1): (0.1-0.5).
As a preferred embodiment, the weight ratio of 1-hydroxycyclohexyl phenyl ketone, 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide and phenyl bis (2, 4, 6-trimethylbenzoyl) phosphine oxide is 3:0.5:0.3.
in the experimental process, the applicant finds that the initiator can not have enough energy to generate free radical initiation reaction because the dark paint can absorb most of light in a dark color paint system, and the initiator can absorb a small part of light to achieve good curing effect through the synergistic effect of three initiators of 1-hydroxycyclohexyl phenyl ketone, 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide and phenyl bis (2, 4, 6-trimethylbenzoyl) phosphine oxide.
As a preferred embodiment, the auxiliary agent is a leveling agent, preferably, the leveling agent is one or a combination of several of polyether modified siloxane, alkyl modified siloxane, polydimethylsiloxane, polyester modified siloxane and acrylate leveling agent.
As a preferred embodiment, the leveling agent is a combination of polyether modified siloxane and alkyl modified siloxane.
As a preferred embodiment, the polyether modified siloxane is leveling agent BYK333 and leveling agent TEGO450, and the alkyl modified siloxane is leveling agent BYK306.
As a preferred embodiment, the weight ratio of leveling agent BYK333, leveling agent TEGO450 and leveling agent BYK306 is (0.2-0.5): (0.1-0.3): (0.2-0.5).
As a preferred embodiment, the weight ratio of leveling agent BYK333, leveling agent TEGO450 and leveling agent BYK306 is 0.3:0.1:0.3.
the applicant finds that in the experimental process, the single leveling auxiliary agent is adopted, so that the leveling effect of the paint is poor, the appearance of a paint film is affected, and meanwhile, the applicant adopts three leveling agents for compounding and using, so that the probability of shrinkage cavity of the paint film can be greatly reduced, the glossiness of the paint film is increased, and the leveling performance is improved.
As a preferred embodiment, the color paste is black color paste, and the acetate is butyl acetate.
The second aspect of the invention provides a preparation method of a UV colored paint coating for automotive interiors, which comprises the following steps:
(1) Sequentially adding the acrylic resin polymer and the acrylic ester monomer into the mixture under the light-shielding condition, stirring and mixing the mixture for 10 to 15 minutes to obtain a mixture A;
(2) Adding an initiator into acetate under the stirring condition, and dissolving to obtain a mixture B;
(3) Sieving the mixture B with a 300-mesh sieve, and adding the mixture B into the mixture A under stirring to obtain a mixture C;
(4) Adding color paste into the mixture C under stirring, adding the auxiliary agent after uniformly mixing, adding the dummy powder after uniformly mixing, stirring for 20-40min, testing viscosity and fineness, filtering and discharging to obtain the final product.
As a preferred embodiment, the product obtained in step 4 has a viscosity of 20-30 seconds measured in a T-2 cup, according to standard astm d1200-2010; the fineness is less than 20 mu m.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the UV colored paint coating for the automotive trim, the reactive sites in a polymer system are increased by adopting the synergism of the aliphatic polyurethane acrylate with the functionality of 3-6, so that the UV colored paint coating can still achieve better curing efficiency in dark colored paint.
(2) According to the UV colored paint coating for the automotive interior, the dipentaerythritol hexaacrylic resin and the trimethylolpropane triacrylate are adopted to perform a polymerization reaction with polyurethane acrylate, so that a paint film achieves better hardness, adhesive force and scratch resistance, and a compact paint film is formed, so that the UV colored paint coating has good effects of hydrolysis resistance, alcohol resistance, organic solvent resistance, surfactant resistance, pesticide resistance and grease resistance.
(3) According to the UV colored paint coating for the automotive interior, the synergistic effect of the 1-hydroxycyclohexyl phenyl ketone, the 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide and the phenylbis (2, 4, 6-trimethylbenzoyl) phosphine oxide initiator is adopted, so that a good initiation effect can be achieved in a dark paint system, and the curing of a paint film is promoted.
(4) According to the UV colored paint coating for the automotive interior, the paint film has good leveling property by adopting the synergistic effect of the alkyl modified siloxane and the polyether modified siloxane leveling agent, so that shrinkage cavities of the paint film after curing are reduced, and the glossiness of the paint film is improved.
(5) Compared with the traditional baking type colored paint, the UV colored paint coating for the automotive interior has the effects of saving energy, shortening the curing time and reducing the VOC emission of volatile organic compounds, and is suitable for the automotive interior.
Detailed Description
The present invention will be specifically described below by way of examples. It is noted herein that the following examples are given solely for the purpose of further illustration and are not to be construed as limitations on the scope of the invention, as will be apparent to those skilled in the art in light of the foregoing disclosure.
In addition, the raw materials used are commercially available unless otherwise indicated.
Example 1
The UV colored paint coating for the automotive interior comprises the following preparation raw materials in parts by weight: 62 parts of acrylic resin polymer, 11 parts of acrylate monomer, 13 parts of color paste, 3.8 parts of initiator, 0.7 part of auxiliary agent, 4 parts of matte powder and 5 parts of acetate.
The acrylic resin polymer is a combination of aliphatic polyurethane acrylic acid ester with the functionality of 5 and 6, and the weight ratio is 52:10; the aliphatic polyurethane acrylate with the functionality of 5 has the viscosity of 700-2600cps at 25 ℃ and the solid content of 55wt%, and is purchased from Guangdong new material Co., ltd, and the model is HP6500; the aliphatic urethane acrylate with the functionality of 6 has the viscosity of 55000-75000cps at 60 ℃, the solid content of 100wt%, and is purchased from Changxing chemical materials Co.Ltd.model number of 6145-100.
The acrylate monomer is trimethylolpropane triacrylate, and the combination of dipentaerythritol hexaacrylic resin is 6:5, the trimethylolpropane triacrylate is purchased from Changxing chemical materials Co., ltd. Model number EM231; the dipentaerythritol hexaacrylic resin was purchased from changxing chemical materials limited under the model EM264.
The initiator is a combination of 1-hydroxycyclohexyl phenyl ketone, model 184,2,4,6-trimethylbenzoyl-diphenyl phosphine oxide, model TPO, and phenyl bis (2, 4, 6-trimethylbenzoyl) phosphine oxide, model 819, and the weight ratio is 3:0.5:0.3.
the auxiliary agent is a combination of a flatting agent BYK333, a flatting agent TEGO450 and a flatting agent BYK306, and the weight ratio is 0.3:0.1:0.3, leveling agents BYK333 and BYK306 were purchased from Pick, germany, and leveling agent TEGO450 was purchased from Digao, germany.
The color paste is black color paste, and is purchased from Guangdong Kedi new material technology Co.Ltd.
The acetate is butyl acetate, and the dumb powder is purchased from SILICA Co., ltd., type E-1011, of Tosoa japonica.
A preparation method of a UV colored paint coating for automotive interiors comprises the following steps:
(1) Under the condition of avoiding light, sequentially adding aliphatic polyurethane acrylic ester with the functionality of 5 and 6 and trimethylolpropane triacrylate into dipentaerythritol hexaacrylic resin, stirring and mixing for 15min to obtain a mixture A;
(2) Adding an initiator into acetate under the stirring condition, and dissolving to obtain a mixture B;
(3) Sieving the mixture B with a 300-mesh sieve, and adding the mixture B into the mixture A under stirring to obtain a mixture C;
(4) Adding color paste into the mixture C under stirring, adding the auxiliary agent after uniformly mixing, adding the dummy powder after uniformly mixing, stirring for 30min, testing viscosity and fineness, and filtering and discharging to obtain the color paste.
The viscosity of the product obtained in the step 4 is 15 seconds measured in a T-2 cup, and the viscosity is measured according to standard ASTMD1200-2010; the fineness was 19. Mu.m.
Example 2
The specific steps of the UV colored paint coating for the automotive interior and the preparation method thereof are the same as those of the example 1, and the difference is that the acrylic resin polymer is a combination of aliphatic polyurethane acrylic ester with the functionality of 5 and 6, and the weight ratio is 52:5.
example 3
The specific steps of the UV colored paint coating for the automotive interior and the preparation method thereof are the same as those of the example 1, and the difference is that the acrylic resin polymer is a combination of aliphatic polyurethane acrylic ester with the functionality of 5 and 6, and the weight ratio is 52:8.
example 4
The specific steps of the UV colored paint for the automotive interior and the preparation method thereof are the same as those of the embodiment 1, except that the addition amount of the dummy powder is 8 parts by weight.
Example 5
Commercial matt black paint coatings were purchased from Huizhou Baishida chemical Co.
Performance testing
The colored paint coating prepared in the examples 1-4 and the UV diluent are mixed according to the weight ratio, stirred uniformly, filtered by a 300-mesh filter screen, sprayed on an ABS plate, cured by ultraviolet, and the UV energy is 600-800mj/cm 2 And forming a film.
Example 5 was baked at 60℃for 6min to form a film.
1. Paint film appearance: the appearance of the paint film was visually observed to be flat and smooth.
2. Adhesion force: and testing the hundred-lattice adhesive force of the color paint coating and the ABS plate after the coating according to the GB/T9286-98 standard.
3. Hardness: the hardness of the paint after coating was tested according to GB/T6739-2006 standard.
4. Hydrolysis resistance: according to GB/T1733-1993 standard, placing for 72 hours at 90 ℃ under the environment with humidity of 90%RH, testing the hydrolysis resistance of the painted colored paint coating and the ABS plate, wherein the gray level is more than or equal to 4 levels, and the adhesive force is less than or equal to 2 levels, thus obtaining the finished product.
5. And (3) simulating sunlight: irradiating for 240h according to DIN 75220-D-IN1-T standard, then performing cross-hatch performance test (according to GB/T9286-98 standard), wherein gray card grade is more than or equal to 4 grade and adhesive force is less than or equal to 2 grade after cross-hatch performance test, and recording as OK.
6. Resistance to denatured alcohol: mixing absolute ethanol with the mass fraction of 99% with butanone with the mass fraction of 1%, dipping and rubbing for 10 times by using cotton balls, and observing the alcohol resistance.
7. Petroleum ether resistance: the petroleum ether was dipped with cotton balls and rubbed 10 times to observe the petroleum ether resistance.
8. Detergent resistance: the cleaning agent for the commercial vehicle was dipped with cotton balls and rubbed 10 times, and the cleaning agent resistance was observed.
9. Insecticide resistance: the insecticide resistance was observed by rubbing 10 times with a cotton ball dipped in a commercial insecticide.
10. Hand-resistant face cream: and (3) coating a paint film on the hand cream, standing for 5-10min, and observing the hand cream resistance.
Examples 1 and 5 were tested according to the above criteria and the test results are shown in table 1. The test result shows that the ultraviolet curing can achieve the same effect as the heat curing, but the construction time is shortened, and the energy consumption is reduced.
Examples 1-4 were tested according to the above criteria 2,3,4,6, 10 and the test results are shown in table 2.
TABLE 2

Claims (2)

1. The UV colored paint coating for the automotive interior is characterized by comprising the following preparation raw materials in parts by weight: 62 parts of acrylic resin polymer, 11 parts of acrylate monomer, 13 parts of color paste, 3.8 parts of initiator, 0.7 part of auxiliary agent, 4 parts of matte powder and 5 parts of acetate;
the acrylic resin polymer is a combination of aliphatic polyurethane acrylic acid ester with the functionality of 5 and 6, and the weight ratio is 52:10; the viscosity of the aliphatic polyurethane acrylic ester with the functionality of 5 is 700-2600cps at 25 ℃, and the solid content is 55wt%; the viscosity of the aliphatic polyurethane acrylic ester with the functionality of 6 is 55000-75000cps at 60 ℃, and the solid content is 100wt%;
the acrylate monomer is a combination of trimethylolpropane triacrylate and dipentaerythritol hexaacrylate, and the weight ratio is 6:5,
the initiator is 1-hydroxycyclohexyl phenyl ketone, 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide and phenyl bis (2, 4, 6-trimethylbenzoyl) phosphine oxide, and the weight ratio is 3:0.5:0.3;
the auxiliary agent is a combination of a flatting agent BYK333, a flatting agent TEGO450 and a flatting agent BYK306, and the weight ratio is 0.3:0.1:0.3;
the color paste is black color paste;
the acetate is butyl acetate.
2. A method for preparing the UV-paint for automotive interiors according to claim 1, comprising the steps of:
(1) Sequentially adding the acrylic resin polymer and the acrylic ester monomer into the mixture under the light-shielding condition, stirring and mixing the mixture for 10 to 15 minutes to obtain a mixture A;
(2) Adding an initiator into acetate under the stirring condition, and dissolving to obtain a mixture B;
(3) Sieving the mixture B with a 300-mesh sieve, and adding the mixture B into the mixture A under stirring to obtain a mixture C;
(4) Adding color paste into the mixture C under stirring, adding the auxiliary agent after uniformly mixing, adding the dummy powder after uniformly mixing, stirring for 20-40min, testing viscosity and fineness, filtering and discharging to obtain the final product.
CN202210008001.5A 2022-01-06 2022-01-06 UV (ultraviolet) colored paint coating for automotive interiors and preparation method thereof Active CN114656871B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101407651A (en) * 2008-11-27 2009-04-15 中国乐凯胶片集团公司 UV curing color decorative coating
CN112961599A (en) * 2021-03-16 2021-06-15 天津中晶建筑材料有限公司 UV (ultraviolet) adhesion primer for 3D printing plate and preparation method and application thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101407651A (en) * 2008-11-27 2009-04-15 中国乐凯胶片集团公司 UV curing color decorative coating
CN112961599A (en) * 2021-03-16 2021-06-15 天津中晶建筑材料有限公司 UV (ultraviolet) adhesion primer for 3D printing plate and preparation method and application thereof

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