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Solar backboard protective film and preparation process thereof

The invention relates to a technology for a solar back sheet and a preparation process, which is applied in the field of a solar back sheet protective film and its preparation technology, and can solve the problems of high price of imported transparent fluorine film, low light transmittance of the transparent fluorine film, insufficient weather resistance and the like, and achieve good hardness. , reduce energy consumption and cost, increase the effect of output

Pending Publication Date: 2022-01-21
P&E TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the mainstream solution for the protective layer of solar backplanes is transparent fluorine film, that is, transparent PVDF, but the transparent fluorine film depends on imports. Compared with imported transparent fluorine films, domestic transparent fluorine films have lower light transmittance and insufficient weather resistance. , directly lead to higher price of imported transparent fluorine film

Method used

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  • Solar backboard protective film and preparation process thereof
  • Solar backboard protective film and preparation process thereof
  • Solar backboard protective film and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053]Step S1: first put 10g GU6300N, 10g GU1700P, 50g GU9315Z, 20g GU2500K into the stirring tank, stir evenly and heat;

[0054] Step S2: Then add 0.2g Irganox1010, 0.5g Tinuvin326 and 0.5g Tinuvin292 into the stirred tank, and keep stirring at constant temperature;

[0055] Step S3: Then add 0.1g Efka 2020 and 0.1g Efka 3600 into the stirred tank, and stir evenly to obtain the protective layer composition;

[0056] Step S4: Coating the protective layer composition on the base layer 1, forming a wet film of the composition protective layer 2 with a thickness of 10 microns on the surface of the base layer 1, using a voltage of 150kv, a dose of 30KGy, and controlling the oxygen content at 200PPm. Beam radiation curing film.

Embodiment 2

[0058] Step S1: First put 20g GU6300N, 10g GU1700P, 50g GU9315Z, 10g GU2500K into the stirring tank, stir evenly and heat;

[0059] Step S2: Then add 0.2g Irganox1010, 0.5g Tinuvin326 and 0.5g Tinuvin292 into the stirred tank, and keep stirring at constant temperature;

[0060] Step S3: Then add 0.1g Efka 2020 and 0.1g Efka 3600 into the stirred tank, and stir evenly to obtain the protective layer composition;

[0061] Step S4: Coating the protective layer composition on the base layer 1, forming a wet film of the composition protective layer 2 with a thickness of 10 microns on the surface of the base layer 1, using a voltage of 150kv, a dose of 30KGy, and controlling the oxygen content at 200PPm. Beam radiation curing film.

Embodiment 3

[0063] Step S1: first put 30g GU6300N, 60g GU9315Z, 10g GU2500K into the stirring tank, stir evenly and heat;

[0064] Step S2: Then add 0.2g Irganox1010, 0.5g Tinuvin326 and 0.5g Tinuvin292 into the stirred tank, and keep stirring at constant temperature;

[0065] Step S3: Then add 0.1g Efka 2020 and 0.1g Efka 3600 into the stirred tank, and stir evenly to obtain the protective layer composition;

[0066] Step S4: Coating the protective layer composition on the base layer 1, forming a wet film of the composition protective layer 2 with a thickness of 10 microns on the surface of the base layer 1, using a voltage of 150kv, a dose of 30KGy, and controlling the oxygen content at 200PPm. Beam radiation curing film.

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Abstract

The invention belongs to the technical field of protective films, and particularly relates to a solar backboard protective film and a preparation process thereof.The solar backboard protective film comprises a base layer, the surface of the base layer is coated with a composition protective layer, and the base layer comprises one of PET or PUE; wherein the composition protective layer is composed of the following material components: 10-30 parts of polyurethane acrylate; 10 to 30 parts of epoxy acrylate; 10 to 30 parts of polyester acrylate; 10 to 30 parts of polyacrylate; an antioxidant: 0.01 to 0.5 part of BASF; 0.01 to 0.1 part of an ultraviolet light absorber; 0.01 to 0.1 part of a light stabilizer; 0.01 to 0.1 part of a leveling agent; and 0.01 to 0.1 part of a defoaming agent; and poor weather resistance caused by residual double bonds can be avoided, the double bond conversion rate of electron beams is higher from performance comparison, and better hardness, wear resistance and chemical resistance are achieved.

Description

technical field [0001] The invention belongs to the technical field of protective films, and in particular relates to a solar back panel protective film and a preparation process thereof. Background technique [0002] At present, the car window film and architectural window film are all based on PET, and a layer of UV light-cured protective layer is coated on the surface. Since it is UV-cured, the amount of ultraviolet light absorber added directly affects the curing degree of the protective layer. And performance, resulting in the aging resistance of automotive window films and architectural window films has always been a pain point in the industry. [0003] At present, the mainstream solution for the protective layer of solar backplanes is transparent fluorine film, that is, transparent PVDF, but the transparent fluorine film depends on imports. Compared with imported transparent fluorine films, domestic transparent fluorine films have lower light transmittance and insuffi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/046C08L67/02C08L75/04C09D167/06C09D175/14C09D163/10C09D133/04H01L31/048H01L31/049
CPCC08J7/046C08J7/0427C09D167/06H01L31/0481H01L31/049C08J2367/02C08J2375/04C08J2467/06C08L75/14C08L63/10C08L33/04Y02E10/50
Inventor 申立全岳绍杰刘朋飞马尧臣季左
Owner P&E TECH CO LTD
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