Dope for automotive trim plastic parts and preparation method thereof

A technology for automotive interiors and plastic parts, applied in the direction of coating, etc., can solve the problems of environmental protection and poor medium resistance

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

In today's automotive plastic parts manufacturing industry, its coating products are far from meeting the new requirements p

Method used

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  • Dope for automotive trim plastic parts and preparation method thereof
  • Dope for automotive trim plastic parts and preparation method thereof
  • Dope for automotive trim plastic parts 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]

[0028]

[0029] Table 3: Test results of some items of each embodiment

[0030] NO

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PUM

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Abstract

The invention discloses a dope for automotive trim plastic parts and a method for preparing the dope. The dope comprises the following components by weight portion: 45-65 portions of hydroxylated acrylic resin, 3-8 portions of chlorinated polypropylene resin, 20-30 portions of butyl acetate, 0.2-0.8 portions of accessory agent, 6-12 portions of paint and 12-20 portions of solvent, wherein the viscosity of the hydroxylated acrylic resin is 2500-6000 cps, solid is 70%, hydroxyl value is 66+/-5, acid value is less than 8 mg KOH/g, color is less than 1#, appearance is clean and transparent; the accessory agent is a polymeric dispersant and an organic silicon flatting agent; and the paint is tinting pigment and wearable pigment. The paint has strong wearing resistance and corrosion resistance.

Description

technical field [0001] The invention relates to a coating, in particular to a coating used for coating plastic parts of automobile interior decoration. The invention also relates to a preparation method of the paint. Background technique [0002] With the development of the automobile industry, the weight of automobiles tends to be reduced. Therefore, plastic parts of various materials are used in automobiles, and the interior decoration of automobiles, such as the dashboard of the cab, is made of plastic products. In today's automotive plastic parts manufacturing industry, its coating products are far from meeting the new requirements put forward by customers, and there are problems such as wear resistance, poor medium resistance and environmental protection. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a coating for automotive interior plastic parts, which has the characteristics of strong wear resistance a...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D123/28C09D7/12
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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