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Coating for UV cured plastic and use

A coating and plastic technology, applied in the field of UV curing coatings for plastics, can solve the problems of poor chemical resistance, large environmental pollution, low production efficiency, etc., and achieve the effects of fast curing speed, good wear resistance and high production efficiency

Inactive Publication Date: 2009-01-07
深圳市美丽华科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional plastic coatings mostly use thermoplastic acrylic coatings or two-component polyurethane coatings. These coatings have many problems such as insufficient wear resistance, scratch resistance, low production efficiency, poor chemical resistance, and large environmental pollution.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0040] The following examples further explain and illustrate the present invention, but do not constitute any limitation to the present invention.

[0041] Embodiment 1~4 are as shown in table 1:

[0042] Table 1

[0043]

components

Example 1

(weight%)

Example 2

(weight%)

Example 3

(weight%)

Example 4

(weight%)

Hexafunctional aliphatic polyurethane acrylic resin (Eb1290 type)

25

30

20

25

Trifunctional aliphatic polyurethane acrylic resin (Eb264 type)

20

15

20

15

Acrylic resin (Eb745 type)

10

10

10

10

Trimethylolpropane Triacrylate (TMPTA Type)

10

10

8

8

Leveling agent (polyether modified dimethyl siloxane) (BYK333 type)

0.5

0.5

0.5

0.5

Defoamer (defoaming polymer and polysiloxane solution) (type BYK141)

0.5

0.5

0.5

0.5

...

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PUM

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Abstract

The invention relates to a UV cured coating used for plastics, and purposes thereof. The composition of the coating by the weight percent is as follows: 25 to 50 of hexa-functional polyurethane acrylic acid resin, 10 to 20 of trifunctional polyurethane acrylic acid resin, 10 to 20 of acrylic acid resin, 10 to 20 of trimethylolpropane 3-acrylic ester, 2 to 5 of N-methyl diethano lamine, 2 to 5 of UV absorbent, 0.4 to 13 of assistant, and 10 to 30 of mixed solvent. When the coating is used, the components are evenly mixed by the proportion and spray coated on plastic work pieces, and then cured by a UV curing machine. The coating of the invention can be used for coating of ABS and PC plastics. The coating is characterized by high hardness, good wear resistance, hard object scratching resistance, high lustrousness, no pollution to the environment, etc.

Description

【Technical field】 [0001] The invention relates to coatings, in particular to a UV curing coating for plastics meeting environmental protection requirements. 【Background technique】 [0002] Plastics are widely used in today's society, especially plastics such as ABS are widely used in mobile phone casings, notebook computers, cameras, motorcycle parts, cosmetic packaging, etc. Along with the wide application of plastic products, the finishing of plastic surface is also increasing day by day. The purpose of plastic coating is to improve its weather resistance, chemical resistance and surface hardness, reduce insulation performance, prevent adhesion and dust resistance, improve hand feeling performance, and improve the artistic effect of decoration, so that the plastic surface color is richer and more glossy Fuller, more three-dimensional, etc. Traditional plastic coatings mostly use thermoplastic acrylic coatings or two-component polyurethane coatings, which have many proble...

Claims

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Application Information

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IPC IPC(8): C09D4/00B05D7/02
Inventor 鲁春风
Owner 深圳市美丽华科技股份有限公司
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