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Disposable paint for spraying and its uses

A one-time, coating technology, applied in polyurea/polyurethane coatings, coatings, etc., can solve the problems of high cost, high energy consumption, low processing efficiency, etc., and achieve low energy consumption and cost, relatively less pollution, and spraying process simple effect

Inactive Publication Date: 2009-09-23
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

Due to the need for multiple spraying, the processing efficiency is low, the energy consumption is high, and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Get 24.6 parts (weight) of hydroxyl acrylic resin, 23.2 parts (weight) of thermoplastic acrylic acid, add 0.5 part (weight) of defoamer and 0.5 part (weight) of leveling agent, wherein defoamer selects BYK-141 type defoamer for use, The leveling agent is BYK-354 type wetting agent. After the formed mixture is uniformly dispersed at a low speed, 31.7 parts (weight) of butyl acetate solvent are added, then stirred for 10 minutes, and then 19.5 parts (weight) of black color paste are added. Disperse evenly and filter with 300-mesh gauze to get the finished product.

Embodiment 2

[0046] Get 27.01 parts (weight) of hydroxyl polyurethane resin, 25.47 parts (weight) of thermoplastic acrylic acid, add 0.5 part (weight) of BYK-141 type defoamer and 0.5 part (weight) of BYK-354 type wetting agent, after low speed dispersion, Add 30 parts (weight) of butyl acetate thickener, stir for 10 minutes, then add 16.52 parts (weight) of black color paste, disperse evenly, and filter with 300 mesh gauze to obtain the finished product.

Embodiment 3

[0048] Take 30 parts (weight) of hydroxyl polyurethane resin, 29 parts (weight) of thermoplastic acrylic resin, add 0.5 parts (weight) of BYK-141 type defoamer and 0.5 parts (weight) of BYK-354 type wetting agent, and disperse evenly at low speed , add 25 parts (weight) of butyl acetate, stir for 10 minutes, then add 15 parts (weight) of black color paste, disperse evenly and filter with 300 mesh gauze to get the finished product.

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PUM

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Abstract

A paint for one-time spraying and its use. The weight percent of the paint is composed of: 20-30 hydroxy acrylic resin, 20-30 thermoplastic acrylic resin, 30-40 butyl acetate, 0.2-1 leveling agent, and 0.20 defoaming agent ~1, solvent 5~10. Color paste 1-25 can also be added to the above ratio. The solid content of hydroxyacrylic resin and thermoplastic acrylic resin is equal to or greater than 40%, the leveling agent is acrylate, the defoamer is silicone, the solvent is propylene glycol methyl ether acetate, and the color paste is inorganic or organic pigment, dispersant, acrylic acid A mixture of resins and solvents. The paint of the present invention can be used as a paint for spraying on the plastic casing of electronic and electrical appliances. It has the characteristics of simple spraying process, low energy consumption, low cost, relatively less pollution, and more environmental protection.

Description

【Technical field】 [0001] The invention relates to an organic paint, in particular to a disposable paint for spraying which is used for spraying plastic casings of electronic and electrical appliances and only needs to be sprayed once. 【Background technique】 [0002] At present, various electronic or electrical products, such as digital cameras, notebook computers, mobile phones, etc., have been widely used in people's lives. The shells of these products are mostly made of plastics and plastic materials, and the shells all need to be sprayed with coatings for protection and decoration on the surface after processing and molding. The traditional coatings for casings are mostly thermoplastic acrylic primers and polyurethane coatings for the top coat. The spraying process generally adopts the process of spraying the primer, middle coat and top coat respectively. Due to the need for multiple spraying, the processing efficiency is low, the energy consumption is high, and the cost...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04C09D133/00C08J7/04
Inventor 鲁春风
Owner 深圳市美丽华科技股份有限公司
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