Sealing adhesive for solar photovoltaic module and preparation method of sealing adhesive

A solar photovoltaic and sealant technology, applied in photovoltaic power generation, adhesives, electrical components, etc., can solve the problems of difficult coating and deployment, high viscosity of sealant, short shelf life, etc., and achieve extended shelf life and elongation at break. High rate and long shelf life

Active Publication Date: 2014-12-10
广东汇能硅胶制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above-mentioned sealants are too viscous and difficult to apply and unfold during use, which brings inconvenience to use; and the performance of long-term thermal decomposition is not good, the shelf life is short, and bacterial mildew is prone to occur

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The sealant for solar photovoltaic modules is characterized in that it is composed of the following raw materials in parts by weight: polydimethylsiloxane: 90 parts, white carbon black or titanium dioxide: 8 parts, dibutyl phthalate or triphenyl phosphate: 18 parts, resorcinol diglycidyl ether or ethanol: 12 parts, acrylamide: 7 parts, phthalic anhydride: 4 parts, aluminum hydroxide or magnesium hydroxide: 13 parts, max. Glass fiber or asbestos fiber with a size of 0.05mm: 30 parts, anti-aging agent D: 4 parts, methylparaben: 2 parts, methyltrimethoxysilane or ethyltrimethoxysilane or methyltriethoxy Silane or ethyltriethoxysilane or vinyltrimethoxysilane or vinyltriethoxysilane: 5 parts.

Embodiment 2

[0024] The sealant for solar photovoltaic modules is characterized in that it is composed of the following raw materials in parts by weight: polydimethylsiloxane: 80 parts, white carbon black or titanium dioxide: 5 parts, dibutyl phthalate or triphenyl phosphate: 15 parts, resorcinol diglycidyl ether or ethanol: 10 parts, acrylamide: 5 parts, phthalic anhydride: 3 parts, aluminum hydroxide or magnesium hydroxide: 10 parts, max. Glass fiber or asbestos fiber with a size of 0.05mm: 20 parts, anti-aging agent D: 2 parts, methylparaben: 1 part, methyltrimethoxysilane or ethyltrimethoxysilane or methyltriethoxy Silane or ethyltriethoxysilane or vinyltrimethoxysilane or vinyltriethoxysilane: 4 parts.

Embodiment 3

[0026] The sealant for solar photovoltaic modules is characterized in that it is composed of the following raw materials in parts by weight: polydimethylsiloxane: 100 parts, white carbon black or titanium dioxide: 10 parts, dibutyl phthalate or triphenyl phosphate: 20 parts, resorcinol diglycidyl ether or ethanol: 15 parts, acrylamide: 10 parts, phthalic anhydride: 5 parts, aluminum hydroxide or magnesium hydroxide: 16 parts, max. Glass fiber or asbestos fiber with a size of 0.05mm: 40 parts, anti-aging agent D: 5 parts, methylparaben: 3 parts, methyltrimethoxysilane or ethyltrimethoxysilane or methyltriethoxy Silane or ethyltriethoxysilane or vinyltrimethoxysilane or vinyltriethoxysilane: 6 parts.

[0027] Through repeated tests by the applicant, it is found that the following formulas can all reach the effect of the present invention, and can solve the technical problems to be solved by the present invention: a sealant for solar photovoltaic modules, which is characterize...

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Abstract

The invention relates to the technical field of sealing materials, and in particular relates to a sealing adhesive specific for a solar photovoltaic module. The sealing adhesive is characterized by being prepared from the following raw materials in parts by weight: 90 parts of polydimethylsiloxane, 8 parts of white carbon black or titanium dioxide, 18 parts of phthalic acid dibutyl ester or triphenyl phosphate, 12 parts of resorcinol diglycidyl ether or ethanol, 7 parts of acrylamide, 4 parts of phthalic anhydride, 13 parts of aluminum hydroxide or magnesium hydroxide, 30 parts of glass fiber or asbestos fiber with the maximum size of 0.05mm, 4 parts of anti-aging agent D, 2 parts of methylparaben and 5 parts of methyl trimethoxy silane or ethyl trimethoxy silane. The invention further discloses a preparation method of the sealing adhesive. The sealing adhesive has the beneficial effects that the tensile strength is relatively high, the breakage elongation is relatively high, the volume resistivity is relatively high, the dielectric strength is relatively high, the binding force is relatively high, the anti-yellowing resistance and the cracking resistance are relatively good, the expiration date is relatively long, and the like.

Description

technical field [0001] The invention relates to the technical field of polymer sealing materials, in particular to a special sealant for solar photovoltaic modules and a preparation method thereof. Background technique [0002] The solar photovoltaic power generation industry has continued to develop rapidly since the 1980s. The so-called solar photovoltaic power generation system refers to a new type of power generation system that uses the photovoltaic effect of solar cells to directly convert solar radiation into electrical energy. Solar panels, also known as "photovoltaic modules", or PV modules for short, are one of the core parts of solar photovoltaic power generation systems. Constructed between high-strength glass and a sealed base layer. Several groups of photovoltaic modules are installed and fixed on the frame with sealant to form solar panels. Silicone sealant is an indispensable and important auxiliary material in solar photovoltaic modules. During the product...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J183/04C09J183/07C09J11/04C09J11/06H01L31/048
CPCY02E10/50
Inventor 尹红
Owner 广东汇能硅胶制品有限公司
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