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Preparation method of adhesive for photovoltaic backplate

A photovoltaic backplane and adhesive technology, applied in the direction of adhesive additives, adhesive types, starch adhesives, etc., can solve the problems of applicability limitations, poor temperature resistance and other problems, and achieve good application performance and peel strength High, improve the effect of aging resistance

Inactive Publication Date: 2019-02-15
安徽兆拓新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of adhesive has good aging resistance and hydrolysis resistance, but its resistance to temperature change is poor, and its applicability is limited.

Method used

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  • Preparation method of adhesive for photovoltaic backplate
  • Preparation method of adhesive for photovoltaic backplate
  • Preparation method of adhesive for photovoltaic backplate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] This embodiment relates to an adhesive for a photovoltaic backplane, which is composed of the following raw materials in parts by weight:

[0073] 64 parts of gelatinized mung bean starch;

[0074] 27 parts of coumarone resin;

[0075] 6 parts Faku clay;

[0076] 9 parts of rectorite powder;

[0077] 4 parts of neopentyl glycol dimethacrylate;

[0078] 2 parts of polyvinyl ether;

[0079] 3 parts of diacetone acrylamide;

[0080] 1.5 parts of phenyl phosphorus dichloride;

[0081] 2.8 parts of compound crosslinking agent;

[0082] 1 part of compound coupling agent;

[0083] 0.8 parts of compound accelerator;

[0084] 1 part of compound antioxidant.

[0085] The selection and preparation of gelatinized mung bean starch, compound crosslinking agent, compound coupling agent and compound antioxidant in the present embodiment are shown in Table 1 below:

[0086] Table 1

[0087]

[0088] The preparation method of adhesive in the present embodiment generally car...

Embodiment 2

[0094] This embodiment relates to an adhesive for a photovoltaic backplane, which is composed of the following raw materials in parts by weight:

[0095] 68 parts of gelatinized mung bean starch;

[0096] 30 parts of coumarone resin;

[0097] 7 parts Faku clay;

[0098] 10 parts of rectorite powder;

[0099] 4.5 parts of neopentyl glycol dimethacrylate;

[0100] 2.5 parts of polyvinyl ether;

[0101] 3.5 parts of diacetone acrylamide;

[0102] 1.8 parts of phenyl phosphorus dichloride;

[0103] 3.3 parts of compound crosslinking agent;

[0104] 1.3 parts of compound coupling agent;

[0105] 0.9 parts of compound accelerator;

[0106] 1.4 parts of compound antioxidant.

[0107] The selection and preparation of gelatinized mung bean starch, compound crosslinking agent, compound coupling agent and compound antioxidant in the present embodiment are shown in Table 2 below:

[0108] Table 2

[0109]

[0110]

[0111] The preparation method of adhesive in the present...

Embodiment 3

[0117] This embodiment relates to an adhesive for a photovoltaic backplane, which is composed of the following raw materials in parts by weight:

[0118] 70 parts of gelatinized mung bean starch;

[0119] 31 parts of coumarone resin;

[0120] 8 parts Faku clay;

[0121] 11 parts of rectorite powder;

[0122] 5 parts of neopentyl glycol dimethacrylate;

[0123] 2.8 parts of polyvinyl ether;

[0124] 4 parts of diacetone acrylamide;

[0125] 2 parts of phenyl phosphorus dichloride;

[0126] 3.5 parts of compound crosslinking agent;

[0127] 1.5 parts of compound coupling agent;

[0128] 1 part of compound accelerator;

[0129] Compound antioxidant 1.5 parts.

[0130] The selection and preparation of gelatinized mung bean starch, compound crosslinking agent, compound coupling agent and compound antioxidant in the present embodiment are shown in Table 3 below:

[0131] table 3

[0132]

[0133] The preparation method of adhesive in the present embodiment generally ca...

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Abstract

The invention discloses a preparation method of an adhesive for a photovoltaic backplate, and relates to the technical field of photovoltaic materials. The preparation method comprises the following steps: drying, grinding, blending, grinding and dispersing gelatinized mung bean starch, coumarone resin, Faku clay, rectorite powder and other components. The adhesive for the photovoltaic backplate has significantly improved peeling strength, waterproofness, oxidative aging resistance, temperature resistance and other performance, and the overall performance of the adhesive is improved, the application performance is improved, the service life is better guaranteed, and good popularization values are achieved.

Description

technical field [0001] The invention relates to the technical field of photovoltaic materials, in particular to a method for preparing an adhesive for photovoltaic backplanes. Background technique [0002] Adhesive refers to a natural or synthetic, organic or inorganic substance that can connect two or more parts or materials together through the adhesion and cohesion of the interface, also known as bonding. Agent, customarily referred to as glue. In short, an adhesive is a substance that can bind adherends together through bonding. "Adhesive" is a general standard term that also includes other glues, putties, mucilages, plasters, etc. [0003] The solar backsheet is located on the back of the solar panel, which protects and supports the battery sheet, and has reliable insulation, water resistance, and aging resistance. Generally has a three-layer structure (PVDF / PET / PVDF), the outer protective layer PVDF has good environmental erosion resistance, the middle layer is PET ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J103/02C09J145/02C09J11/08C09J11/04
CPCC08L2201/08C08L2205/03C09J11/04C09J11/08C09J103/02C08L45/02C08L29/10C08K13/02C08K3/346C08K3/34
Inventor 陆志鹏
Owner 安徽兆拓新能源科技有限公司
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