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Packaging material for photovoltaic module and preparation method thereof

A technology for packaging materials and photovoltaic modules, applied in the field of packaging materials, can solve the problems of poor adhesion between flame retardant sheets and base materials or internal packaging layers, poor weather resistance of flame retardant layers, and reduced coating adhesion levels. Achieve the effects of good storage stability, shortened processing time and low manufacturing cost

Inactive Publication Date: 2019-01-04
HEBEI JIASHICHENG ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing flame-retardant backsheet is mainly based on a film-coated flame-retardant backsheet. The prior art publication number is CN103262259A. By attaching a flame-retardant crystalline mineral silicate sheet to a fluoropolymer film, it can achieve Flame retardant effect, but the production process is more cumbersome and complicated, and the adhesion between the flame retardant sheet and the base material or the internal packaging layer is poor, and the weather resistance of the separate flame retardant layer is poor
However, the double-sided coated flame-retardant backsheet with ordinary flame retardants, because of the migration of flame retardants during the aging process, leads to a decrease in the adhesion level of the coating, and even the coating will fall off.

Method used

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  • Packaging material for photovoltaic module and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] This embodiment relates to a packaging material for photovoltaic modules, including the following raw materials in parts by weight: 20 parts of ethylene-vinyl acetate copolymer, 10 parts of chlorophenyl silicone oil, 15 parts of polyether polyol, 9 parts of novolac epoxy resin 3 parts, 3 parts of aluminum carbonate, 4 parts of modified nano-expanded perlite, 7 parts of polyacrylonitrile, 3 parts of curing agent, 2 parts of UV aging resistance additive, 1 part of flame retardant, and 2 parts of plasticizer.

[0028] Wherein, the preparation method of the modified nano expanded perlite is as follows:

[0029] Soak the expanded perlite in the pre-prepared nano-silica sol, and adopt the vacuum impregnation and adsorption process to make the nano-silica sol suck into the cavity of the expanded perlite to form a gel. After aging, it is dried by normal pressure classification , Hydrophobic treatment to form modified nano-expanded perlite.

[0030] Wherein, the curing agent is...

Embodiment 2

[0042] This embodiment relates to a packaging material for photovoltaic modules, including the following raw materials in parts by weight: 30 parts of ethylene-vinyl acetate copolymer, 20 parts of chlorophenyl silicone oil, 25 parts of polyether polyol, 14 parts of novolak epoxy resin 6 parts, 6 parts of aluminum carbonate, 8 parts of modified nano-expanded perlite, 12 parts of polyacrylonitrile, 5 parts of curing agent, 4 parts of UV aging resistance additive, 4 parts of flame retardant, and 5 parts of plasticizer.

[0043] Wherein, the preparation method of the modified nano expanded perlite is as follows:

[0044] Soak the expanded perlite in the pre-prepared nano-silica sol, and adopt the vacuum impregnation and adsorption process to make the nano-silica sol suck into the cavity of the expanded perlite to form a gel. After aging, it is dried by normal pressure classification , Hydrophobic treatment to form modified nano-expanded perlite.

[0045] Wherein, the curing agent...

Embodiment 3

[0057] This embodiment relates to a packaging material for photovoltaic modules, including the following raw materials in parts by weight: 23 parts of ethylene-vinyl acetate copolymer, 12 parts of chlorophenyl silicone oil, 19 parts of polyether polyol, 10 parts of novolac epoxy resin 4 parts, aluminum carbonate 4 parts, modified nano-expanded perlite 5 parts, polyacrylonitrile 9 parts, curing agent 3.6 parts, UV aging resistance additive 2.4 parts, flame retardant 2 parts, plasticizer 3 parts.

[0058] Wherein, the preparation method of the modified nano expanded perlite is as follows:

[0059] Soak the expanded perlite in the pre-prepared nano-silica sol, and adopt the vacuum impregnation and adsorption process to make the nano-silica sol suck into the cavity of the expanded perlite to form a gel. After aging, it is dried by normal pressure classification , Hydrophobic treatment to form modified nano-expanded perlite.

[0060] Wherein, the curing agent is an amine curing ag...

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Abstract

The invention discloses a packaging material for a photovoltaic module. The packaging material is prepared from, by weight, 20-30 parts of ethylene-vinyl acetate copolymer, 10-20 parts of chlorphenylsilicone oil, 15-25 parts of polyether polyol, 9-14 parts of novolac epoxy resin, 3-6 parts of aluminum carbonate, 4-8 parts of modified nano expanded perlite, 7-12 parts of polyacrylonitrile, 3-5 parts of curing agent, 2-4 parts of ultraviolet-aging-resistant assistant, 1-4 parts of fire retardant and 2-5 parts of plasticizer. The raw materials coordinate, the manufacturing cost is low, and the technical standard requirements of ultraviolet resistance, aging resistance, impact resistance, fire resistance and other photovoltaic industries are met.

Description

technical field [0001] The invention belongs to the technical field of encapsulation materials, and in particular relates to an encapsulation material for photovoltaic modules and a preparation method thereof. Background technique [0002] In the current society, energy conflicts and environmental problems are becoming more and more prominent, and the development of various types of clean energy is an inevitable trend. In recent years, the photovoltaic industry has developed rapidly, and technological updates have been gradually accelerated. At present, the photovoltaic industry is developing towards product diversification. The research and development of various functional components with high reliability, high power and low installation cost has become a direction for the development of photovoltaic components. [0003] Solar photovoltaic power generation relies on solar cells to convert light energy directly into electricity. As a packaging material used in the photovol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08L83/08C08L63/00C08L33/20C08K9/02C08K7/26
CPCC08L23/0853C08L2201/08C08L2203/204C08L2205/035C08L83/08C08L63/00C08L33/20C08K9/02C08K7/26
Inventor 白莉莉
Owner HEBEI JIASHICHENG ENERGY TECH CO LTD