Vacuum-plating ultraviolet curing intermediate paint

A technology of vacuum electroplating and ultraviolet light, applied in the direction of coating, etc., can solve the problems of poor chemical resistance, low production efficiency, insufficient wear resistance, etc., and achieve the effect of low volatility, beautiful appearance and enhanced adhesion

Active Publication Date: 2011-10-05
苏州佩琦材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional coatings mostly use thermoplastic acrylic coatings or two-component polyurethane coatings. Such coatings have problems such

Method used

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  • Vacuum-plating ultraviolet curing intermediate paint

Examples

Experimental program
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Example Embodiment

[0057] Example 1

[0058] According to weight percentage, first mix 15% ethyl acetate, 10% butyl acetate, and 8% isobutanol to prepare a mixed solvent for later use; then take 10% hydroxy acrylic resin and 35% polyurethane acrylate (polyurethane acrylate uses Bayer LS2265 , Is aliphatic urethane acrylate), thermoplastic acrylic resin 15% into the container, and then add 3% light curing initiator [the light curing initiator is Ciba 819, which is bis(2,4,6-trimethylbenzene) Formyl) phenyl phosphine oxide] and antifoaming agent 0.3% (use Digo 920 for defoaming agent), 0.5% leveling agent (use Digo 2100 for leveling agent), and 0.2% dispersant (use Digo 681 for dispersing agent) ), after the resulting mixture is uniformly dispersed at low speed, add the mixed solvent prepared above, then fully stir for 10-15 minutes, and finally add 3% of nano-pigment (the nano-pigment chooses ultra-full chemical pigments of various colors), and the dispersion is uniform The finished product can be ...

Example Embodiment

[0059] Example 2

[0060] According to weight percentage, first mix 20% ethyl acetate, 10% butyl acetate, and 10% isobutanol to prepare a mixed solvent for later use; then take 10% hydroxy acrylic resin and 25% polyurethane acrylate (polyurethane acrylate is selected as Cytec EB264, aromatic urethane acrylate), 15% of thermoplastic acrylic resin are added to the container, and 3% of light curing initiator is added [The light curing initiator is Beijing Yingli 907, which is 2-methyl-1-(4-form) Mercaptophenyl)-2-morpholine-1-acetone] and 1% defoamer (Bayer 020 is used as defoamer), 0.5% leveling agent (Bayer 306 is used as leveling agent), 0.5% dispersant (dispersant Choose Bayer 168). After the resulting mixture is uniformly dispersed at low speed, add the mixed solvent prepared above, then fully stir for 10-15 minutes, and finally add 5% of nanopigment (the nanopigment chooses all colors of Yiming Sebao) , After being evenly dispersed, filter with 400 mesh gauze to obtain the fi...

Example Embodiment

[0061] Example 3

[0062] According to weight percentage, first mix 15% ethyl acetate, 10% butyl acetate, and 8% isobutanol to prepare a mixed solvent for use; then take 17% hydroxy acrylic resin and 25% polyurethane acrylate (polyurethane acrylate is selected from Nakayama Chin Leaf UV2100, aromatic polyether urethane acrylate), 15% of thermoplastic acrylic resin are added to the container, and then 3% of light curing initiator (the light curing initiator is Beijing Yingli 1173, which is 2-hydroxy-2-methyl -1-Phenylacetone) and 1% defoamer (Deqian 2700 as defoamer), 1% leveling agent (Deqian 435 as leveling agent), 1% dispersant (Deqian 912 as dispersant) After the resulting mixture is uniformly dispersed at low speed, add the mixed solvent prepared above, then fully stir for 10-15 minutes, and finally add 4% of nanopigment (the nanopigment chooses Changxing Chemical's various color pigments), and use 400 The finished product is obtained by filtering the mesh yarn.

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Abstract

The invention belongs to the technical field of paints, and particularly relates to a vacuum-plating ultraviolet curing intermediate paint, which includes the following raw materials by weight: 10%-20% of hydroxy acrylic resin, 25%-35% of polyurethane acrylates, 15%-20% of thermoplastic acrylic acid resin, 15%-25% of ethyl acetate, 10%-15% of butyl acetate, 8%-15% of isobutanol, 3%-10% of nano-pigments, 3%-5% of ultraviolet-curing initiators, and 1%-3% of additives. The invention has a fast-curing property, good wearability, pollution resistance, hard-object scratch resistance, high glossiness, low volatility, is environment-friendly and free of pollution, can be widely used to spray electronic or electric appliance products and cosmetic containers.

Description

Technical field: [0001] The invention belongs to the technical field of coatings, in particular to a vacuum electroplating ultraviolet light curing primer. Background technique: [0002] At present, various electronic or electrical products, cosmetic containers, such as digital cameras, notebook computers, mobile phones, cameras, MP4, etc. have been widely used in people's lives. The shell of this kind of product is mostly made of plastic or plastic material, and it is easy to damage the appearance of the product by frequent friction during use, and when the hand touches the shell of the product, hand sweat will have a certain degree of corrosion on the shell of the product, affecting the quality of the product. service life. Therefore, after the shell is processed and formed, it is necessary to spray protective and decorative coatings on the surface. The purpose is to improve its weather resistance, chemical resistance and surface hardness, reduce insulation performance, p...

Claims

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Application Information

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IPC IPC(8): C09D4/06C09D5/00
Inventor 陈新洪刘志兴
Owner 苏州佩琦材料科技有限公司
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