Paint, using method thereof and multi-coating product

A technology for coatings and primers, applied in coatings, layered products, and processes for producing decorative surface effects, etc., can solve the problems of complex debugging laser engraving conditions and non-environmental protection of coatings

Inactive Publication Date: 2011-06-29
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the problems of complex laser engraving conditions in the prior art and the coatings used are not environmentally friendly, the

Method used

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  • Paint, using method thereof and multi-coating product
  • Paint, using method thereof and multi-coating product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-5

[0055] Examples 1-5 were used to prepare Primer Component A and Topcoat Component B.

[0056] The components shown in Table 1 were mixed and stirred evenly, and the obtained slurry was filtered to remove the residue therein to obtain primer components A1, A2, A3 and topcoat components B1, B2. The amounts of each component in Table 1 below are expressed in parts by weight.

[0057] Table 1

[0058]

[0059]

Embodiment 6

[0061] This example is used to illustrate the method of using the coating disclosed in the present invention and the multi-coated article.

[0062] The primer component A1 obtained in Example 1 was sprayed on the surface of a transparent plastic keyboard, and baked at 56° C. for 14 minutes to form a primer. Then, in the same manner, the topcoat component B1 obtained in Example 4 was used to form a topcoat layer to obtain a multi-coated article D1. Wherein, the thickness of the primer layer is 5um, and the thickness of the topcoat layer is 6um.

Embodiment 7

[0064] The primer component A1 obtained in Example 1 was mixed with ethanol at a weight ratio of 1:1.5, sprayed on the surface of a transparent plastic keyboard, and baked at 57° C. for 13 minutes to form a primer. Then, in the same manner, the topcoat component B2 obtained in Example 5 was used to form a topcoat layer to obtain a multi-coated article D2. Among them, the thickness of the primer layer is 6um, and the thickness of the topcoat layer is 7um.

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Abstract

The invention provides a paint and a using method thereof and discloses a multi-coating product. The painting comprises a prime coat component and a finish paint component. The prime coat component comprises a prime coat resin, a light stabilizer, a prime coat pigment and prime coat solvent, wherein the prime coat resin is thermoplastic acrylic resin the glass transition temperature of which is less than 55 DEG C. The finish paint component comprises a finish paint resin, a finish paint pigment and finish paint solvent, wherein the finish paint resin is the thermoplastic acrylic resin the glass transition temperature of which is 80 to 120 DEG C. When the paint is used for preparing a coating, the process is simple and the used paint is environmentally-friendly.

Description

technical field [0001] The invention relates to a coating, especially a coating for laser engraving, a preparation method thereof and a multi-coated product. Background technique [0002] At present, plastic keyboards such as mobile phone keyboards and computer keyboards have higher and higher requirements for the color and performance of various symbols on the keyboard. At the same time, the European Union has higher and higher environmental protection requirements for electronic products. Coating products for plastic parts are more limited. In order to realize symbols of various colors on the keyboard, there are two common methods: screen printing and laser engraving; the main problem of screen printing is that the symbols are not clear enough, the requirements for screen accuracy are high, and the yield is low; laser engraving The symbol marking effect is clear and not easy to fall off, and the yield is high, but the precision of the machine is high and the debugging tim...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D5/00B44C1/22B32B33/00
Inventor 刘萌蒙飞
Owner BYD CO LTD
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