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PETG coating as well as raw material composition, preparation method and use method thereof

A raw material composition and coating technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of poor UV aging resistance, VOC emission, large amount of matting powder, etc. The effect of transparency

Pending Publication Date: 2022-07-29
中山易必固电子束科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional matte PETG films are mostly UV-cured, using UV-cured solvent-based matte coatings. The amount of matting powder is large and requires a baking solvent to form a super matte effect. It has poor micro-scratch resistance and UV aging resistance. Poor effect, serious VOC emissions during construction

Method used

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  • PETG coating as well as raw material composition, preparation method and use method thereof

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Experimental program
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Effect test

Embodiment 1

[0037] This embodiment provides a PETG coating, the raw material composition of the PETG coating is 25% by weight of hexafunctional urethane acrylate, 40% of trifunctional urethane acrylate, 15% of bifunctional reactive monomer, 1.5% by weight 7% of 2000 mesh silicon powder, 2% of 40nm alumina powder, 1% of Teflon powder, 2% of UV absorber, 0.5% of antioxidant, 3% of matting powder, 0.5% of Dispersant, 0.2% defoamer, 0.3% rheology aid and 2% surface aid.

[0038] In this embodiment, the hexafunctional urethane acrylate is the UX5400W product produced by Nippon Kayaku Chemical; the trifunctional urethane acrylate is the 0038M product produced by Guangdong Haohui Chemical; the bifunctional active monomer is hexanediol diacrylic acid Ester, the EM221 product produced by Changxing Chemical is selected; the wax powder is the PTFE wax powder, and the BYK CERAFLOUR 996 product of BAK Chemical is selected; the Teflon micropowder is the 9207Z product produced by 3M; UV absorber The BP...

Embodiment 2

[0044] This embodiment provides a PETG coating, and the raw material composition of the PETG coating is 30% by weight of hexafunctional urethane acrylate, 42% of trifunctional urethane acrylate, 10% of bifunctional reactive monomer, 1.5% by weight wax powder, 5% 2000 mesh silicon powder, 2% 40nm alumina powder, 1% Teflon powder, 2% UV absorber, 0.5% antioxidant, 3% matting powder, 0.5% Dispersant, 0.2% defoamer, 0.1% rheology aid and 2.2% surface aid.

[0045]In this embodiment, the hexafunctional urethane acrylate is the UX5400W product produced by Nippon Kayaku Chemical; the trifunctional urethane acrylate is the L6380A product produced by Guangdong Sanqi Chemical; the bifunctional active monomer is hexanediol diacrylic acid Ester, the EM221 product produced by Changxing Chemical is selected; the wax powder is PTFE wax powder, and the BYK CERAFLOUR 996 product of BAK Chemical is selected; the Teflon micropowder is the 9207Z product produced by 3M; UV absorber The BP-12 prod...

Embodiment 3

[0048] This embodiment provides a PETG coating, the raw material composition of the PETG coating is 25% by weight of hexafunctional urethane acrylate, 35% of trifunctional urethane acrylate, 20% of bifunctional reactive monomer, 1.5% by weight wax powder, 8% 2000 mesh silicon powder, 2% 40nm alumina powder, 1% Teflon powder, 2% UV absorber, 0.5% antioxidant, 2.5% matting powder, 1% Dispersant, 0.2% defoamer, 0.3% rheology aid and 2% surface aid.

[0049] In this embodiment, the hexafunctional urethane acrylate is the UX5400W product produced by Nippon Kayaku Chemical; the trifunctional urethane acrylate is the zc6552 product produced by Guangdong Zicai Chemical; the bifunctional active monomer is hexanediol diacrylic acid Ester, the EM221 product produced by Changxing Chemical is selected; the wax powder is the PTFE wax powder, and the BYK CERAFLOUR 996 product of BAK Chemical is selected; the Teflon micropowder is the 9207Z product produced by 3M; UV absorber The BP-12 produ...

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Abstract

The invention relates to a PETG (Polyethylene Terephthalate Glycol) coating raw material composition, which is characterized in that the PETG coating raw material composition comprises a base material, the raw material composition is prepared from the following components in percentage by weight: 20 to 30 percent of hexa-functional polyurethane acrylate, 35 to 45 percent of trifunctional polyurethane acrylate, 10 to 20 percent of bifunctional active monomer, 5 to 10 percent of silicon micro powder, 0.5 to 2 percent of Teflon micro powder, 1 to 3 percent of nano aluminum oxide powder, 1 to 3 percent of matting powder, 1 to 2 percent of ultraviolet absorbent and the balance of auxiliaries. The invention also discloses a PETG coating prepared by using the PETG coating raw material composition, and a preparation method and a use method of the PETG coating. The PETG matte film product prepared from the PETG coating provided by the invention solves the problems of large VOC emission, poor ultraviolet aging resistance, poor micro-scratch resistance and easy scratching caused by the traditional UV matte coating in order to form a matte effect, and the matte effect is formed through an excimer lamp, so that the matte film product has the advantages that the matte effect is good, and the service life of the film is prolonged. And through selective compounding of the active monomer and the low-functional polyurethane acrylate, the glossiness is reduced, the adhesive force to PETG is maintained, and the micro-scratch resistance and the permeability are ensured.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a PETG coating and its raw material composition, a preparation method and a use method. Background technique [0002] Compared with PET film, the biggest feature of PETG film is that PETG film conforms to environmental protection and food FDA certification. Therefore, PETG is now more and more concerned about related products at home and abroad. However, PETG and PET have poor solvent resistance and poor scratch resistance, so they need to be treated with bright or matte coating to improve their physical and chemical properties and increase the surface appearance. PETG film is widely used in interior decoration and furniture decoration and other fields. Traditional matte PETG films are mostly UV-cured, using UV-cured solvent-based matte coatings. The amount of matting powder is large and the super-matte effect can only be formed after baking the solvent. It has poor resistance to micro-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D7/61C09D7/65C09D7/42C08J7/04C08J7/046C08L67/02
CPCC09D175/14C09D7/61C09D7/65C09D7/42C08J7/0427C08J7/046C08K2201/011C08K2003/2227C08J2367/02C08J2475/14C08L75/14C08L27/18C08K3/36C08K3/22
Inventor 陈卓成任杰李林陈立梁铭通
Owner 中山易必固电子束科技有限公司
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