Solar component package material capable of being cured through ultraviolet

A technology for solar modules and packaging materials, applied in electrical components, semiconductor devices, adhesive types, etc., to achieve the effects of good anti-aging performance, fast curing rate, and reduced production costs

Inactive Publication Date: 2012-07-18
TRINA SOLAR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Patent CN101137682B discloses a solar cell encapsulation material of an ethylene-polar monomer copolymer that does not require an organic peroxide (ie, a crosslinking agent), but it still cannot avoid the step of lamination

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] An ultraviolet curable solar module encapsulation material, containing the following components (mass percentage):

[0027] Bisphenol A type epoxy resin: 52%;

[0028] Acrylic polyurethane prepolymer: 2.5%;

[0029] Organic light stabilizer: benzotriazole: 0.5%;

[0030] Reactive diluent: hydroxyethyl acrylate: 22%, hydroxypropyl acrylate: 20%;

[0031] Photosensitizer: isopropylthioxanthone: 1%;

[0032] Processing aids: leveling agents such as BYK306: 0.5%; defoamers such as BYK052: 0.3%; dispersants such as Dow Corning Q2-5211: 0.2%; adhesion promoters such as vinyl triethoxysilane: 1%.

[0033] All the raw materials mentioned above can be obtained from the market.

[0034] Bisphenol A type epoxy resin glue is prepared by condensation and dehydrochlorination of bisphenol A and epichlorohydrin under basic catalytic conditions.

[0035] Acrylic urethane prepolymers are prepared by reacting hydroxyl-containing acrylates with polyisocyanates, or alternatively, acryl...

Embodiment 2

[0040] An ultraviolet curable solar module encapsulation material, containing the following components (mass percentage):

[0041] Bisphenol A type epoxy resin: 42%;

[0042] Acrylic polyurethane prepolymer: 2.0%;

[0043] Organic light stabilizer: benzotriazole: 0.5%;

[0044] Reactive diluent: hydroxyethyl acrylate: 28%, hydroxypropyl acrylate: 22%;

[0045] Photosensitizer: isopropylthioxanthone: 3.5%;

[0046] Processing aids: BYK306: 0.5%; BYK052: 0.3%; Dow Corning Q2-5211: 0.2%; Vinyltriethoxysilane: 1%.

[0047] A method for making an ultraviolet-curable solar module encapsulation material: first, mix bisphenol A epoxy resin and acrylic polyurethane prepolymer, stir well, then add organic light stabilizer, reactive diluent, photosensitizer, processing aid agent, ultrasonically dispersed to obtain a liquid packaging material.

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PUM

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Abstract

The invention relates to a solar component package material capable of being cured through ultraviolet, comprising the following components in percentages by mass: 40-55% of bisphenol A epoxy resin, 1.5-2.5% of polyurethane acrylate prepolymer, 0.1-0.5% of organic light stabilizer, 40-50% of activated diluents agent, 1-8% of photosensitizer and 0.1-5% of processing aid. With the adoption of the solar component package material, the absorption rate of the package material in an ultraviolet band is increased, the ultraviolet ageing resistance of the package material is reinforced, the service life is prolonged, additional laminating steps are not needed, the package material can be quickly solidified under the condition of ultraviolet radiation, so that the production efficiency is improved, and the production cost is lowered.

Description

technical field [0001] The invention relates to the technical field of solar cell encapsulation materials, in particular to an ultraviolet curable solar module encapsulation material. Background technique [0002] At present, most domestic solar energy packaging materials use EVA film because of its low price and simple production method. However, its curing time is long. In long-term outdoor use, the high-energy ultraviolet rays in the sun will cause aging, cracking and discoloration of the EVA film, and the acetic acid produced by the degradation of the EVA formula itself will corrode the cells and affect solar energy. battery performance. [0003] Patent WO2011138630A1 discloses a UV-curable adhesive whose base resin is a block copolymer of acrylic acid or methacrylic acid, and a coupling agent is added therein to increase its adhesion to plastics such as PMMA, polycarbonate, etc. Can be used in concentrated photovoltaic systems. However, the anti-aging performance of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J175/14C09J11/06H01L31/048
CPCY02E10/50
Inventor 孙莉莉
Owner TRINA SOLAR CO LTD
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