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Plastic part undercoat

A technology for plastic parts and primers, applied in the direction of coating, etc., can solve the problems of inability to apply different materials at the same time, weak adhesion, poor cooking resistance, etc., achieve good cooking resistance and resistance to cold and heat alternation, and reduce waste. And the effect of trouble, good compatibility

Inactive Publication Date: 2014-05-28
ANHUI LAND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In today's automotive plastic parts coating industry, the main resin in the formula is mostly polypropylene resin mixed with other raw materials, and processed according to conventional production processes. The problem is that this plastic primer cannot be applied to plastics of different materials at the same time. Parts, but made for plastic parts of a certain material, so it adds a lot of inconvenience to the parts when painting
In addition, the existing commercially available plastic primer products have weak adhesion and poor cooking resistance

Method used

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Experimental program
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Effect test

Embodiment Construction

[0014] Provide a list of components and weight percentage parts of a kind of plastic part primer of the embodiment of the present invention below:

[0015] When preparing, weigh each raw material according to the proportion, first add the modified thermoplastic acrylic resin to the dispersant and stir evenly, add the pigment and solvent while stirring, disperse and grind until the fineness is less than 20 microns, and discharge the material, and add the fluid while stirring after cooling. Leveling agent, just stir evenly.

[0016] Table 1 Component and Content Table

[0017]

Hydroxy Acrylic Resin

Hexamethanol etherified amino resin

paint

Auxiliary

solvent

Embodiment one

50

12

20

10

8

Embodiment two

45

10

20

6

19

Embodiment three

50

15

25

10

10

Embodiment Four

50

15

20

10

5

[0018] Wherein, the product performance prepared by embod...

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PUM

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Abstract

The invention discloses plastic part undercoat which consists of the components in percentage by weight: 45-55 percent of modified thermoplastic acrylic resin, 10-15 percent of hexa-methanol etherification amino resin, 20-25 percent of paint, 6-15 percent of an accessory ingredient and the balance of a solvent. The plastic part undercoa disclosed by the invention is high in boiling resistance and cold-heat alternation resistance. The indexes, such as pencil hardness, adhesive force, impact strength and water resistance, of the product, are higher than those of the conventional product.

Description

technical field [0001] The invention relates to a primer, in particular to a primer for plastic parts. Background technique [0002] Automotive plastic coatings are similar to those used for other metal parts. They are also divided into primers, primers, varnishes or topcoats. flow marks and defects. With the rapid development of the automobile industry, the weight of automobiles tends to be lighter. Therefore, more and more plastic parts of various materials are applied to automobiles. In today's automotive plastic parts coating industry, the main resin in the formula is mostly polypropylene resin mixed with other raw materials, and processed according to conventional production processes. The problem is that this plastic primer cannot be applied to plastics of different materials at the same time. Parts, but made for plastic parts of a certain material, so it adds a lot of inconvenience to the parts when painting. In addition, the existing commercially available plastic...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D161/32
Inventor 叶家和李正祥叶耿堂杨芸
Owner ANHUI LAND GRP
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