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UV cured metallic paint for plastics

A metal texture and coating technology, applied in the field of coatings, can solve the problems of no coloring, no decoration on the plastic surface, no color, etc., and achieve the effects of fast curing speed, energy saving and high production efficiency

Inactive Publication Date: 2012-07-11
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

However, UV-curable coatings currently on the market are transparent, colorless, and non-pigmentable, so they cannot provide decorative properties to plastic surfaces.

Method used

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  • UV cured metallic paint for plastics
  • UV cured metallic paint for plastics
  • UV cured metallic paint for plastics

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Embodiment Construction

[0047] through as figure 1 Shown embodiment 1-5 is described in further detail to the present invention as follows: wherein, described hexafunctional urethane acrylic resin is aliphatic urethane acrylic resin, and its molecular weight is 1000, and solid content is 100%, and elongation is 4%, The tensile strength is 9100Psi; it can provide excellent hardness and wear resistance for coating. The trifunctional polyurethane acrylic resin is an aliphatic polyurethane acrylic resin with a molecular weight of 2000 and a solid content of 100%. The elongation rate is 37%, and the tensile strength is 4200Psi; it can improve the impact resistance of the coating. The acrylic resin contained 25% tripropylene glycol diacrylate and 25% 1.6 hexanediol diacrylate, had an elongation of 52%, and a tensile strength of 1900 Psi; providing excellent adhesion to the coating.

[0048] At the same time, the defoamer is organic silicon, specifically a foam-breaking polymer and organopolysiloxane solu...

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Abstract

The invention discloses an UV cured metallic paint for plastics and an application thereof. the paint contains the following components of: by weight, 30-40% of a hexa-functional polyurethane acrylic resin, 5-10% of trifunctional polyurethane acrylic resin, 5-10% of an acrylic resin, 10-15% of trimethylolpropane triacrylate, 7-8% of acryloyl cellulose acetate-butyrate, 5-6% of an aluminium powder, 0.2-0.3% of an ultraviolet ray absorber, 0.9-1.2% of an auxiliary agent 1-hydroxy-cyclohexyl phenyl ketone, 2-4% of 1-hydroxy-cyclohexyl phenyl ketone, and 15-25% of a mixed solvent. When using the paint, the above components are uniformly mixed according to the proportion, are then sprayed on plastic workpieces and are finally cured by an UV light-curing unit. The paint provided by the invention can be used for finishing ABS and PC plastics and has characteristics of high hardness, good wear resistance, scratch resistance to hard objects, strong metallic sense, no environmental pollution and the like.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a UV-curable metal texture coating that meets environmental protection requirements and is used for plastics. 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. Traditional plastic coatings mostly use thermoplastic acrylic coatings or two-component polyurethane coatings, which have many problems such as insufficient wear resistance, scratch resistance, low production efficiency, poor chemical resistance, and large environmental pollution. Because the cross-linking density of UV coating after curing is much higher than that of heat-baked coating, the coating has high hardness, good wear resistance, scratch r...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D5/38
Inventor 鲁春风
Owner 深圳市美丽华科技股份有限公司
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