Dope for plastic decorative cover of automotive wheel and preparation method thereof

A technology for decorative covers and wheels, applied in the direction of coating, etc., can solve the problems of inconvenient construction and poor decorative appearance

Inactive Publication Date: 2009-12-30
辽宁久奈化工集团股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional coatings are three layers, including primer, color paint, and finish paint. When coating plastic parts such as wheel covers, the primer is first applied, then the base paint is applied, and finally the finish paint is applied. This method uses three layers The problem with coatings is that construction is inconvenient and the appearance decoration is relatively poor

Method used

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  • Dope for plastic decorative cover of automotive wheel and preparation method thereof
  • Dope for plastic decorative cover of automotive wheel and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Clean the paint mixing tank, weigh 50 parts of hydroxyacrylic resin, 0.15 parts of polymer dispersant, and 12 parts of 100# solvent, mix them into the paint mixing tank, stir at a low speed to fully dissolve, and stir for 30 minutes; weigh 2.6 parts of carbon black and 5 parts of SNM-100 wear-resistant powder are added to the paint mixing tank under stirring, the number of revolutions of stirring is 800 rpm, and the stirring time is 30 minutes; grind the prepared slurry above with a sand mill, until the fineness is qualified; weigh 5 parts of chlorinated polypropylene resin, 0.2 parts of silicone leveling agent, and 3 parts of CAC, and add them to the paint mixing tank under the condition of stirring. The time is 30 minutes; finally weigh 24.8 parts of butyl acetate, add it to the paint mixing tank, adjust the viscosity to pass, stir for 20 minutes, filter with 200 mesh filter cloth, and pack.

Embodiment 2～3

[0022] According to the proportion of materials described in Table 2, the method described in Example 1 is used to produce the coating for automotive interior plastic parts, and the performance of some items of the product obtained is shown in Table 3.

[0023] Table 1: The performance index of the coating prepared according to the weight ratio stated in the formula

[0024]

[0025]

[0026] Table 2: each component formula of embodiment 1-3

[0027] NO

raw material name

composition

Example 1

Example 2

Example 3

1

Main resin

45-65

50

50

46

2

carbon black

2-3

2.6

2.6

2.6

3

SNM-100 resistance

Grinding

4-9

5

8

8

4

Dispersant

0.13

0.15

0.15

0.15

5

100#

10-15

12

12

12

6

Int...

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PUM

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Abstract

The invention discloses a dope for a plastic decorative cover or an automotive wheel and a method for preparing the dope. The dope comprises the following components by weight portion: 4-8 portions of aluminum powder, 14-28 portions of butyl acetate, 20-30 portions of hydroxylated acrylic resin, 18-25 portions of cellulose acetate butyrate resin, 1.2-5.1 portions of accessory agent and 3-8 portions of solvent, wherein the solid part of the hydroxylated acrylic resin is 55%, hydroxyl value is 84+/-5, acid value is less than 5 mg KOH/g, glass transition temperature is 21 DEG C, and viscosity is Y-Z2. The dope is used for painting the plastic decorative cover of the automotive wheel with convenient construction, and the performance of the product cannot be damaged.

Description

technical field [0001] The invention relates to a coating, in particular to a coating used for plastic decorative covers of automobile wheels. The invention also relates to a preparation method of the paint. Background technique [0002] Automobile wheels generally use metal products, such as aluminum alloys, and the coatings that protect and decorate them are also directly coated on metal parts. In order to improve the protection and decoration of the wheels, most of the wheels have used wheel covers in recent years. The material of the wheel covers is plastic, and most of the components are PP. Therefore, the wheel cover decorative coatings have been promoted and applied. Traditional coatings are three layers, including primer, color paint, and finish paint. When coating plastic parts such as wheel covers, the primer is first applied, then the base paint is applied, and finally the finish paint is applied. This method uses three layers The problem that coating exists is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D101/14C09D7/12
Inventor 解居会姚杰王志宏宋占伍
Owner 辽宁久奈化工集团股份有限公司
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