CN102816487A - Silver priming paint of 1K silver powder containing automobile refinishing coating and preparation method thereof - Google Patents

Silver priming paint of 1K silver powder containing automobile refinishing coating and preparation method thereof Download PDF

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Publication number
CN102816487A
CN102816487A CN2012102360055A CN201210236005A CN102816487A CN 102816487 A CN102816487 A CN 102816487A CN 2012102360055 A CN2012102360055 A CN 2012102360055A CN 201210236005 A CN201210236005 A CN 201210236005A CN 102816487 A CN102816487 A CN 102816487A
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priming paint
cab
silver
paint
pigment
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黄洪
张静
谢德龙
司徒粤
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South China University of Technology SCUT
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South China University of Technology SCUT
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Abstract

The invention discloses a silver priming paint of a 1K silver powder containing automobile refinishing coating and a preparation method thereof. The silver priming paint is composed of a base material and a pigment, wherein the base material contains low hydroxy acrylic resin, polyester resin, cellulose acetate butyrate, a levelling agent, an anti-settling agent and a solvent; and the pigment contains a coated aluminium paste, a wetting dispersant and n-butyl acetate. The preparation method comprises the following steps of: adding the coated aluminium paste into n-butyl acetate with the wetting dispersant dissolved in it so as to obtain the pigment; mixing the low hydroxy acrylic resin, cellulose acetate butyrate, polyester resin, the levelling agent and the anti-settling agent, dispersing at a high speed, and adding the solvent to obtain the base material; adding the pigment into the base material, dispersing at a low speed, discharging, and filtering to obtain the priming paint. The refinishing coating prepared by the complex formulation of the priming paint has advantages of high glossiness, excellent adhesion, good flexibility, high hardness, high scratch resistance, good acid and alkali resistance, high viscosity, rapid surface drying and short flash evaporation time. In addition, no curing agent is added during the preparation process. The priming paint volatilizes and dries itself and is convenient to use. by the adoption of the priming paint, comprehensive performance of the automobile refinishing coating is raised.

Description

Silver color priming paint of a kind of 1K silver powder car refinishing paint and preparation method thereof
Technical field
The invention belongs to the car refinishing paint technical field, relate to priming paint of car refinishing paint and preparation method thereof, be specifically related to silver color priming paint of a kind of 1K silver powder car refinishing paint and preparation method thereof.
Background technology
In the last few years, along with the high speed development of automobile industry, the raising of living standards of the people, people require increasingly highly to aesthetic, and silver paint meets market developing trend as a kind of high value-added product.
There is following shortcoming in existing silver paint: (1) surface is prone to grow dim, orange peel, and depression, smooth property is poor; (2) surface drying is slow, and flash-off time is long; (3) hardness of paint film and snappiness are difficult to reach simultaneously optimum, and the raising of hardness will be with the flexible cost that is reduced to, the hardness of present car refinishing paint generally at H between the 2H; (4) boundary of works area of spraying is narrow, strict control viscosity, conditions such as air pressure.
Through the raw material and the auxiliary agent of optimization of C, under the situation that does not improve production cost, can improve the hardness and the scratch resistance ability of paint film, improve the over-all properties of silver powder car refinishing paint, improve the market competitiveness of 1K silver powder car refinishing paint.
Summary of the invention
The objective of the invention is to defective, silver color priming paint of a kind of 1K silver powder car refinishing paint and preparation method thereof is provided to prior art.The silver color priming paint of 1K silver powder car refinishing paint of the present invention need not add solidifying agent, and the spraying back is the volatilization air dry directly, and coating surface is smooth, and planarization is excellent, and the paint film surface drying is fast, and boundary of works area is wide, and hardness is up to 3H, and the scratch resistance performance is high; Its preparation method is simple.
In order to achieve the above object, the present invention has adopted following technical scheme:
A kind of silver color priming paint of 1K silver powder car refinishing paint is made up of base-material and pigment, and said base-material comprises following component according to the mass fraction:
The vinyl resin 30 ~ 50 of low hydroxyl value,
Cellulose acetate butyrate 25 ~ 40,
Vibrin 2 ~ 12,
Flow agent 0.2 ~ 0.8,
Anti-settling agent 1 ~ 2,
Solvent 8 ~ 11;
Said pigment comprises following component according to the mass fraction:
Cladded type aluminium paste 5 ~ 10,
Wetting dispersing agent 0.2 ~ 0.8,
N-BUTYL ACETATE 5 ~ 10.
The solid load of the vinyl resin of said low hydroxyl value is 50 ~ 60%, and hydroxyl value is 50 ~ 70, and acidity is 2 ~ 3;
Said cellulose acetate butyrate is two or three among CAB-381-0.2, CAB-381-2, CAB-381-0.5 or the CAB-551-0.2, and the solid load of said CAB-381-0.2, CAB-381-2, CAB-381-0.5 and CAB-551-0.2 is 20%;
Said flow agent is fluorine-carbon modified vinyl resin or organic-silicon-modified vinyl resin;
Said anti-settling agent is the mixture that the mixture of polyamide wax and polyethylene wax is formed.
Said solvent is made up of N-BUTYL ACETATE, YLENE and 1-Methoxy-2-propyl acetate, and the quality proportioning of said solvent is a N-BUTYL ACETATE: YLENE: 1-Methoxy-2-propyl acetate=5:2:3.
The particle diameter of said cladded type aluminium paste is 10 ~ 30 μ m; Said wetting dispersing agent is organic-silicon-modified vinyl resin.
The present invention also provides the preparation method of the silver color priming paint of said 1K silver powder car refinishing paint, comprises the steps:
(1) 5 ~ 10 parts of cladded type aluminium pastes is added the wetting pigment that obtains in 5 ~ 10 parts of N-BUTYL ACETATEs that are dissolved with 0.2 ~ 0.8 part of wetting dispersing agent;
(2) carry out high speed dispersion after will hanging down 0.2 ~ 0.8 part of 30 ~ 50 parts of hydroxyl value vinyl resin, 25 ~ 40 parts of cellulose acetate butyrates, 2 ~ 12 parts in vibrin, flow agent and 1 ~ 2 part of mixing of anti-settling agent, add solvent and obtain base-material for 8 ~ 11 parts;
(3) pigment that obtains in the step (1) is added in the base-material that step (2) obtains, low speed is dispersed to evenly, goes out jar, filtration, obtains the silver color priming paint of 1K silver powder car refinishing paint.
In the step (1); Said wetting may further comprise the steps: elder generation joins wetting dispersing agent in the N-BUTYL ACETATE that quality is 0.4 ~ 0.5 times of a cladded type aluminium paste quality and stirs; Add the cladded type aluminium paste then and be stirred to no particulate state, add remaining N-BUTYL ACETATE at last, soak.
In the step (2), the rotating speed of said high speed dispersion is 1500 ~ 2500 rev/mins, and the time is 10 ~ 25 minutes.
In the step (3), said low speed dispersive rotating speed is 400 ~ 800 rev/mins, and the time is 10 ~ 25 minutes.
The present invention compared with prior art has the following advantages and beneficial effect:
(1) the silver color priming paint of 1K silver powder car refinishing paint of the present invention is high through the composite retouching paint compound coating glossiness that obtains, sticking power is excellent; Snappiness is good, hardness is high, and the scratch resistance ability is high; Acid-proof alkaline is good, and viscosity is high;
(2) the silver color priming paint of 1K silver powder car refinishing paint of the present invention through formulating of recipe is composite be compound coating after, boundary of works area is wide, has reduced difficulty of construction;
(3) preparation method of the present invention need not add solidifying agent, the priming paint volatilization air dry of preparation, and surface drying is fast, and flash-off time is short, and is easy to use;
(4) the present invention is guaranteeing to have improved The comprehensive performance greatly under the constant situation of production cost.
Embodiment
Below in conjunction with embodiment the present invention is done further explain, but the scope that the present invention requires to protect is not limited thereto.
Embodiment 1
The silver color priming paint for preparing 1K silver powder car refinishing paint according to following component:
Base-material is formed:
The vinyl resin 50 of 50% low hydroxyl value,
CAB-381-0.5 25,
CAB-381-0.5 5.2,
50% vibrin 2,
Fluorin modified crylic acid 0.35,
20% polyamide wax 4,
20% polyethylene wax 6,
N-BUTYL ACETATE 5,
Propylene glycol monomethyl ether N-BUTYL ACETATE 3,
YLENE 2,
Pigment is formed:
19 μ m cladded type aluminium pastes 7,
Organic-silicon-modified vinyl resin 0.2,
N-BUTYL ACETATE 6.
The silver color priming paint for preparing 1K silver powder car refinishing paint according to following steps:
(1) 7 parts of cladded type aluminium pastes is added in 3 parts of N-BUTYL ACETATEs that are dissolved with 0.2 part of wetting dispersing agent wetting and be stirred to no particulate state, adds 3 parts of remaining N-BUTYL ACETATEs then and soak and obtain pigment;
(2) 50 parts of low hydroxyl value vinyl resins, 2 parts of vibrin, 25 cellulose acetate butyrate CAB-381-0.5,5.2 parts of cellulose acetate butyrate CAB-381-0.2,0.35 part of fluorine modification flow agent ,5 parts of N-BUTYL ACETATEs, 3 1-Methoxy-2-propyl acetates, 2 parts of YLENE join in the dispersion tank, and under 2000 rev/mins rotating speed, carry out high speed dispersion and obtained base-material in 20 minutes;
(3) pigment that obtains in the step (1) is added in the base-material that step (2) obtains, low speed disperses 20 minutes to evenly under 500 rev/mins rotating speed, goes out jar, filters, and is packaged to be the silver color priming paint of 1K silver powder car refinishing paint.
The performance of the silver color priming paint of test implementation example 1 preparation.Be coated with the priming seasoning after 40 minutes, spraying coating varnish protection silver powder priming paint again.The prescription of coating varnish and preparation technology be [Ceng Fanhui, Jiang Qibin, Chen Xianhong as follows; Shi Genshen. Bus Carriage is with the preparation of acroleic acid polyurethane coating varnish. coatings industry .2006.12]: 80 parts of the vinyl resins of high hydroxyl value, 0.15 part of organosilicon-modified acrylic flow agent, 0.35 part of pure acrylic acid flow agent with 70%; 1 part of BYK410 thixotroping, 1 part of ultraviolet absorbers, 1.5 parts of DBE drying retardants; 7 parts of N-BUTYL ACETATEs, 5 parts of YLENE, 2 parts of 1-Methoxy-2-propyl acetates; Join in the dispersion tank, can obtain the first component in 20 minutes with 1600 rev/mins rotating speed high speed dispersion; The second component with solidifying agent and mixed solvent in proportion 19:30 mix, obtain the second component; First and second components are packed respectively, obtain coating varnish.
The employing specification is that the tinplate of 120 * 25 * 0.2 ~ 0.3mm prepares paint film according to GB1727-92, and according to the snappiness of standard GB-T1731-93 test paint film, the result is as shown in table 1.
The employing specification is that the tinplate of 50 * 120 * 0.3mm prepares paint film according to GB1727-92, and according to the shock strength of standard GB1732-93 test paint film, the result is as shown in table 1.
The employing specification is that the tinplate of 50 * 10 * 0.2 ~ 0.3mm prepares paint film according to GB1727-92, and according to standard GB9286-98 test paint film adhesion, the result is as shown in table 1.
The employing specification is that the tinplate tin sheet of 50 * 10 * 0.2 ~ 0.3mm prepares paint film,, according to the glossiness of standard NF EN ISO 2813 test paint films, the result is as shown in table 1.
The employing specification is that the tinplate of 50 * 10 * 0.2 ~ 0.3mm prepares paint film according to GB1727-92, and according to the hardness of standard GB/T6739-2006 test paint film, the result is as shown in table 1.
Measure the resistance to acids and bases of paint film according to GB1763-79, employings diameter is 13mm, and long is the rod iron of the end perforate of 120mm, and compound concentration is that 10% HCl solution and concentration are the solution of 5% NaOH.
According to the viscosity of standard GB/T1723-93 mensuration silver powder priming paint, the result is as shown in table 1.
According to the time of drying of standard GB1728-79 mensuration paint film, the result is as shown in table 1.
Embodiment 2
The silver color priming paint for preparing 1K silver powder car refinishing paint according to following component:
Base-material is formed:
The vinyl resin 50 of 60% low hydroxyl value,
CAB-381-0.2 5.2,
CAB-381-2 20,
CAB-381-0.5 5,
50% vibrin 5,
Organosilicon-modified acrylic 0. 5,
20% polyamide wax 1.5,
20% polyethylene wax 4.5,
N-BUTYL ACETATE 4.5,
Propylene glycol monomethyl ether N-BUTYL ACETATE 2.7,
YLENE 1.8,
Pigment is formed:
19 μ m cladded type aluminium pastes 7,
Organic-silicon-modified vinyl resin 0.6,
N-BUTYL ACETATE 6.
Preparation process is identical with embodiment 1 with test procedure.
Embodiment 3
The silver color priming paint for preparing 1K silver powder car refinishing paint according to following component:
Base-material is formed:
The vinyl resin 50 of 60% low hydroxyl value,
CAB-381-0.2 5.2,
CAB-381-2 20,
CAB-381-0.5 5,
50% vibrin 2,
Fluorin modified crylic acid 0.2
20% polyamide wax 2.89,
20% polyethylene wax 6,
N-BUTYL ACETATE 5.5,
Propylene glycol monomethyl ether N-BUTYL ACETATE 3.3,
YLENE 2.2,
Pigment is formed:
30 μ m cladded type aluminium pastes 4,
12 μ m cladded type aluminium pastes 6,
Organic-silicon-modified vinyl resin 0.8,
N-BUTYL ACETATE 10.
Preparation process is identical with embodiment 1 with test procedure.
Embodiment 4
The silver color priming paint for preparing 1K silver powder car refinishing paint according to following component:
Base-material is formed:
The vinyl resin 50 of 55% low hydroxyl value,
CAB-381-0.2 2.3,
CAB-381-2 20,
CAB-381-0.5 2.7,
70% vibrin 10,
Fluorin modified crylic acid 0.8,
20% polyamide wax 2.62,
20% polyethylene wax 6,
N-BUTYL ACETATE 5,
Propylene glycol monomethyl ether N-BUTYL ACETATE 3,
YLENE 2,
Pigment is formed:
19 μ m cladded type aluminium pastes 4,
21 μ m cladded type aluminium pastes 4,
Organic-silicon-modified vinyl resin 0.2,
N-BUTYL ACETATE 8.
Preparation process is identical with embodiment 1 with test procedure.
Embodiment 5
The silver color priming paint for preparing 1K silver powder car refinishing paint according to following component:
Base-material is formed:
The vinyl resin 40 of 60% low hydroxyl value,
CAB-381-0.2 5,
CAB-381-2 20,
CAB-551-0.2 5,
70% vibrin 10,
Organosilicon-modified acrylic 0.33
20% polyamide wax 3,
20% polyethylene wax 7,
N-BUTYL ACETATE 5,
Propylene glycol monomethyl ether N-BUTYL ACETATE 3,
YLENE 2,
Pigment is formed:
19 μ m cladded type aluminium pastes 4,
21 μ m cladded type aluminium pastes 2,
Organic-silicon-modified vinyl resin 0.26,
N-BUTYL ACETATE 6.
Preparation process is identical with embodiment 1 with test procedure.
Embodiment 6
The silver color priming paint for preparing 1K silver powder car refinishing paint according to following component:
Base-material is formed:
The vinyl resin 40 of 50% low hydroxyl value,
CAB-381-0.2 5.2,
CAB-381-2 20,
CAB-381-0.5 5,
70% vibrin 10,
Fluorin modified crylic acid 0.33
20% polyamide wax 2.62,
20% polyethylene wax 6,
N-BUTYL ACETATE 4,
Propylene glycol monomethyl ether N-BUTYL ACETATE 2.4,
YLENE 1.6,
Pigment is formed:
30 μ m cladded type aluminium pastes 6,
Organic-silicon-modified vinyl resin 0.26,
N-BUTYL ACETATE 6.
Preparation process is identical with embodiment 1 with test procedure.
Embodiment 7
The silver color priming paint for preparing 1K silver powder car refinishing paint according to following component:
Base-material is formed:
The vinyl resin 30 of 50% low hydroxyl value,
CAB-381-0.2 8,
CAB-381-2 25,
CAB-381-0.5 7,
70% vibrin 12,
Fluorin modified crylic acid 0.38
20% polyamide wax 2.62,
20% polyethylene wax 6,
N-BUTYL ACETATE 5,
Propylene glycol monomethyl ether N-BUTYL ACETATE 3,
YLENE 2,
Pigment is formed:
10 ~ 12 μ m cladded type aluminium pastes 6,
Organic-silicon-modified vinyl resin 0.5,
N-BUTYL ACETATE 6.
Preparation process is identical with embodiment 1 with test procedure.
Embodiment 8
The silver color priming paint for preparing 1K silver powder car refinishing paint according to following component:
Base-material is formed:
The vinyl resin 30 of 50% low hydroxyl value,
CAB-381-0.2 10,
CAB-381-2 20,
CAB-381-0.5 10,
70% vibrin 12,
Organosilicon-modified acrylic 0.33
20% polyamide wax 2.62,
20% polyethylene wax 6,
N-BUTYL ACETATE 4.5,
Propylene glycol monomethyl ether N-BUTYL ACETATE 2.7,
YLENE 1.8,
Pigment is formed:
10 ~ 12 μ m cladded type aluminium pastes 5,
Organic-silicon-modified vinyl resin 0.26,
N-BUTYL ACETATE 5.
Preparation process is identical with embodiment 1 with test procedure.
Table 1 embodiment 1 ~ 8 The performance test results
Figure 406460DEST_PATH_IMAGE001
Table 1 is the silver color primer performance test result of embodiment 1 ~ 8 preparation.Can find out that over-all properties significantly improved after the silver color priming paint of 1K silver powder car refinishing paint of the present invention was re-dubbed compound coating through formulating of recipe, smooth surface, planarization excellence; Snappiness is good, the sticking power of interlayer is excellent; Glossiness is high, and hardness is up to 3H, and the scratch resistance ability is high; Acid-proof alkaline is excellent, and viscosity is high, and surface drying is fast, and flash-off time is shorter; And need not add solidifying agent in the preparation process, priming paint volatilization air dry, easy to use, the boundary of works area broad reduces difficulty of construction.

Claims (8)

1. the silver color priming paint of a 1K silver powder car refinishing paint is made up of base-material and pigment, it is characterized in that, said base-material comprises following component according to the mass fraction:
The vinyl resin 30 ~ 50 of low hydroxyl value,
Cellulose acetate butyrate 25 ~ 40,
Vibrin 2 ~ 12,
Flow agent 0.2 ~ 0.8,
Anti-settling agent 1 ~ 2,
Solvent 8 ~ 11;
Said pigment comprises following component according to the mass fraction:
Cladded type aluminium paste 5 ~ 10,
Wetting dispersing agent 0.2 ~ 0.8,
N-BUTYL ACETATE 5 ~ 10.
2. the silver color priming paint of 1K silver powder car refinishing paint according to claim 1 is characterized in that, the solid load of the vinyl resin of said low hydroxyl value is 50 ~ 60%, and hydroxyl value is 50 ~ 70, and acidity is 2 ~ 3;
Said cellulose acetate butyrate is two or three among CAB-381-0.2, CAB-381-2, CAB-381-0.5 or the CAB-551-0.2, and the solid load of said CAB-381-0.2, CAB-381-2, CAB-381-0.5 and CAB-551-0.2 is 20%;
Said flow agent is fluorine-carbon modified vinyl resin or organic-silicon-modified vinyl resin;
Said anti-settling agent is the mixture that polyamide wax and polyethylene wax are formed.
3. the silver color priming paint of 1K silver powder car refinishing paint according to claim 2; It is characterized in that; Said solvent is made up of N-BUTYL ACETATE, YLENE and 1-Methoxy-2-propyl acetate, and the quality proportioning of said solvent is a N-BUTYL ACETATE: YLENE: 1-Methoxy-2-propyl acetate=5:2:3.
4. the silver color priming paint of 1K silver powder car refinishing paint according to claim 3 is characterized in that, the particle diameter of said aluminium paste is 10 ~ 30 μ m; Said wetting dispersing agent is organic-silicon-modified vinyl resin.
5. the preparation method of the silver color priming paint of the said 1K silver powder of one of claim 1 ~ 4 car refinishing paint is characterized in that, comprises the steps:
(1) 5 ~ 10 parts of cladded type aluminium pastes is added the wetting pigment that obtains in 5 ~ 10 parts of N-BUTYL ACETATEs that are dissolved with 0.2 ~ 0.8 part of wetting dispersing agent;
(2) carry out high speed dispersion after will hanging down 0.2 ~ 0.8 part of 30 ~ 50 parts of hydroxyl value vinyl resin, 25 ~ 40 parts of cellulose acetate butyrates, 2 ~ 12 parts in vibrin, flow agent and 1 ~ 2 part of mixing of anti-settling agent, add solvent and obtain base-material for 8 ~ 11 parts;
(3) pigment that obtains in the step (1) is added in the base-material that step (2) obtains, low speed is dispersed to evenly, goes out jar, filtration, obtains the silver color priming paint of 1K silver powder car refinishing paint.
6. preparation method according to claim 5; It is characterized in that; In the step (1), said wetting may further comprise the steps: elder generation joins wetting dispersing agent in the N-BUTYL ACETATE that quality is 0.4 ~ 0.5 times of a cladded type aluminium paste quality and stirs, and adds the cladded type aluminium paste then and is stirred to no particulate state; Add remaining N-BUTYL ACETATE at last, soak.
7. preparation method according to claim 6 is characterized in that, in the step (2), the rotating speed of said high speed dispersion is 1500 ~ 2500 rev/mins, and the time is 10 ~ 25 minutes.
8. preparation method according to claim 7 is characterized in that, in the step (3), said low speed dispersive rotating speed is 400 ~ 800 rev/mins, and the time is 10 ~ 25 minutes.
CN2012102360055A 2012-07-10 2012-07-10 Silver priming paint of 1K silver powder containing automobile refinishing coating and preparation method thereof Pending CN102816487A (en)

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CN104530860A (en) * 2014-12-15 2015-04-22 东来涂料技术(上海)有限公司 Abrasion-resistant plastic coating and preparation method thereof
CN104559556A (en) * 2014-12-05 2015-04-29 东来涂料技术(上海)有限公司 High-temperature-resistant high-metal-effect plastic paint and preparation method thereof
CN106622904A (en) * 2016-10-13 2017-05-10 石家庄国祥运输设备有限公司 Stainless steel surface repairing technology and repairing paint
CN106700779A (en) * 2016-12-19 2017-05-24 广东科迪新材料科技有限公司 High-glossiness antistatic type automobile refinishing paint containing graphene modified resin
CN107434929A (en) * 2016-05-26 2017-12-05 陈乾 A kind of automobile spray film paint and preparation method thereof
CN109535972A (en) * 2018-11-24 2019-03-29 上海凯虹特种材料科技有限公司 Aluminium paint
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CN104559556A (en) * 2014-12-05 2015-04-29 东来涂料技术(上海)有限公司 High-temperature-resistant high-metal-effect plastic paint and preparation method thereof
CN104530860A (en) * 2014-12-15 2015-04-22 东来涂料技术(上海)有限公司 Abrasion-resistant plastic coating and preparation method thereof
CN104530860B (en) * 2014-12-15 2017-03-15 东来涂料技术(上海)有限公司 A kind of abrasion performance plastic paint and preparation method thereof
CN107434929A (en) * 2016-05-26 2017-12-05 陈乾 A kind of automobile spray film paint and preparation method thereof
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CN109535972A (en) * 2018-11-24 2019-03-29 上海凯虹特种材料科技有限公司 Aluminium paint
CN109535972B (en) * 2018-11-24 2021-03-09 上海凯虹特种材料科技有限公司 Silver paint
CN109651896A (en) * 2018-12-20 2019-04-19 东来涂料技术(上海)股份有限公司 A kind of colour aluminium powder car refinishing paint and preparation method thereof
CN111393962A (en) * 2019-01-02 2020-07-10 增城市瀛泽化学工业有限公司 Black coating for automobiles and preparation method thereof
CN111218183A (en) * 2020-03-26 2020-06-02 河南东澳化工有限公司 Preparation method of high-whiteness flash metallic paint
CN111286269A (en) * 2020-03-27 2020-06-16 河南东澳化工有限公司 High-weather-resistance and high-corrosion-resistance automobile coating and preparation method thereof
CN112538295A (en) * 2020-12-15 2021-03-23 芜湖春风新材料有限公司 Special high-insulation coating for automotive interior and preparation method thereof

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Application publication date: 20121212