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Paint composition

A composition and coating technology, applied in polyester coatings, coatings, etc., can solve problems such as poor heat resistance and low glass transition temperature, and achieve the effects of improving hardness, preventing scratches or damage, and enhancing hardness

Inactive Publication Date: 2010-07-14
ETERNAL MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the low glass transition temperature can achieve the purpose of easy processing, but because of the low glass transition temperature, the heat resistance is not good

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0040] Preparation of Radiation Curable Resin Formula A: Take a 250 ml glass bottle and add 15 g of ethyl acetate solvent into the glass bottle. Add the following acrylate monomers in sequence under high-speed stirring: 10 grams of dipentaerythritol hexaacrylate, 2 grams of trimethylolpropane triacrylate and 14 grams of pentaerythritol triacrylate; the following oligomers: 34.5 grams of fat Group urethane hexaacrylate [Etercure 6145-100, Eternal Company]; and the following photoinitiator: 4.5 grams of 1-hydroxycyclohexyl phenyl ketone, finally foamed into a solid content of about 80% and a total weight of about 100 grams of radiation curable resin formulation A.

Embodiment 1

[0041] Example 1 [The amount of radiation curable resin (24.86×80%) is 220% by weight relative to the amount of thermoplastic resin (30.14×30%)]

[0042] Preparation of anti-scratch layer:

[0043] Take a 250 ml glass bottle, and add 25 grams of ethyl acetate solvent into the glass bottle. Add radiation-curable resin in sequence under high-speed stirring: 24.86 grams of radiation-curable resin formula A (about 80% of solid content, Eternal company) of Preparation Example 1; Thermoplastic resin: 30.14 grams of polymethacrylic acid polyol resin [Eterac 7365 -s-30, Eternal company] (solid content about 30%) (glass transition temperature Tg is 95 ℃); and 4.2 grams of antistatic agent [GMB-36M-AS, Marubishi Oil Chem.Co. ., Ltd)] (solid content about 20%), and finally soaked into a coating composition with a solid content of about 30% and a total weight of about 85 grams. The coating composition was coated on the surface of a PET substrate with a film thickness of about 188 μm wit...

Embodiment 2

[0044] Example 2 [The amount of radiation curable resin (29.12×80%) is 300% by weight relative to the amount of thermoplastic resin (25.88×30%)]

[0045] Preparation of anti-scratch layer:

[0046] Take a 250 ml glass bottle, and add 25 grams of ethyl acetate solvent into the glass bottle. Add radiation-curable resin in sequence under high-speed stirring: 29.12 grams of radiation-curable resin formula A (about 80% of solid content, Eternal company) of Preparation Example 1; Thermoplastic resin: 25.88 grams of polymethacrylic polyol resin [Eterac 7365 -s-30, Eternal company] (solid content about 30%) (glass transition temperature Tg is 95 ℃); and 4.2 grams of antistatic agent [GMB-36M-AS, Marubishi Oil Chem.Co. ., Ltd)] (solid content about 20%), and finally soaked into a coating composition with a solid content of about 30% and a total weight of about 85 grams. The coating composition was coated on the surface of a PET substrate with a film thickness of about 188 μm with an ...

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Abstract

The invention discloses a paint component, which comprises thermoplastic resin which is chosen from poly-cycloolefine resin, polyester resin, polyacrylic ester resin or polyacrylic ester mixture, radiating cured resin which comprises acrylic acid series monomer which has one or several functional groups as polymerization unit, oligomer which has ethylene unsaturated functional group, and initiating agent, wherein the weight of radiating cured resin is 220-1000 weight percentage relative to the weight of thermoplastic resin. The paint component can increase the hardness of the paint component,prevents base plate from scoring and damaging in operation, and has the properties of high transparent, and no warping.

Description

Technical field [0001] The present invention relates to a coating, specifically to a coating composition that is coated on a substrate, especially an optical plastic substrate, to enhance the hardness and avoid scratches on the surface of the substrate. Background technique [0002] Generally, the surface of substrates is often scratched or worn due to careless operation, thus destroying the appearance or affecting its performance. In particular, optical substrates often damage each other due to vibration during transportation. The current solution is to put a protective film on the surface of the substrate to prevent scratches, but this method increases the cost of the substrate. In order to avoid the above shortcomings, a layer of paint is applied to the surface of the substrate to enhance the hardness and avoid scratches on the surface of the substrate. UV curing resin (UV curing resin) is used as an anti-scratch coating because of its characteristics such as short react...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D4/02C09D123/00C09D167/00C09D133/00
Inventor 许龙麟刘书宏
Owner ETERNAL MATERIALS CO LTD
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