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Preparation method of N type double-sided cell encapsulating adhesive film

A double-sided battery and encapsulation adhesive film technology, which is applied in the direction of film/sheet adhesive, adhesive, adhesive type, etc., can solve the problems of high shrinkage rate and unstable size, and achieve low shrinkage rate, Effect of expanding lamination process range and improving efficiency

Inactive Publication Date: 2016-09-21
CHANGZHOU SVECK PHOTOVOLTAIC NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing battery encapsulation adhesive film still has technical deficiencies such as high shrinkage rate and unstable size

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A method for preparing an N-type double-sided battery encapsulation adhesive film, comprising the following steps: first grafting polyolefin resin, extruding granulation to prepare polar POE resin, and then mixing POE granules, antioxidants, heat stabilizers, After the crosslinking agent, accelerator and silane coupling agent are fully mixed according to the proportion, they are produced by casting method. The process flow is: graft modification-mixing-extrusion-casting-thickness measurement-embossing-setting- Cutting - rolling - packaging.

[0021] The polar modified resin is prepared by blending, extruding and granulating POE, maleic anhydride and dicumyl peroxide at a weight ratio of 100:1:0.15 at about 175-185°C.

[0022] Antioxidant comprises primary antioxidant and secondary antioxidant, and primary antioxidant selects 3,5-di-tert-butyl-4-hydroxybenzyl phosphonic acid dioctadecyl, and secondary antioxidant selects phosphorous acid tris(2 , 4-di-tert-butylphenyl) ...

Embodiment 2

[0028] A method for preparing an N-type double-sided battery encapsulation adhesive film, comprising the following steps: first grafting polyolefin resin, extruding granulation to prepare polar POE resin, and then mixing POE granules, antioxidants, heat stabilizers, After the crosslinking agent, accelerator and silane coupling agent are fully mixed according to the proportion, they are produced by casting method. The process flow is: graft modification-mixing-extrusion-casting-thickness measurement-embossing-setting- Cutting - rolling - packaging.

[0029] The polar modified resin is prepared by blending, extruding and granulating POE, maleic anhydride and dicumyl peroxide at a weight ratio of 100:1:0.15 at about 175-185°C.

[0030] Antioxidant comprises primary antioxidant and secondary antioxidant, and primary antioxidant selects 3,5-di-tert-butyl-4-hydroxybenzyl phosphonic acid dioctadecyl, and secondary antioxidant selects phosphorous acid tris(2 , 4-di-tert-butylphenyl) ...

Embodiment 3

[0036] A method for preparing an N-type double-sided battery encapsulation adhesive film, comprising the following steps: first grafting polyolefin resin, extruding granulation to prepare polar POE resin, and then mixing POE granules, antioxidants, heat stabilizers, After the crosslinking agent, accelerator and silane coupling agent are fully mixed according to the proportion, they are produced by casting method. The process flow is: graft modification-mixing-extrusion-casting-thickness measurement-embossing-setting- Cutting - rolling - packaging.

[0037] The polar modified resin is prepared by blending, extruding and granulating POE, maleic anhydride and dicumyl peroxide at a weight ratio of 100:1:0.15 at about 175-185°C.

[0038] Antioxidant comprises primary antioxidant and secondary antioxidant, and primary antioxidant selects 3,5-di-tert-butyl-4-hydroxybenzyl phosphonic acid dioctadecyl, and secondary antioxidant selects phosphorous acid tris(2 , 4-di-tert-butylphenyl) ...

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Abstract

The invention relates to the technical field of encapsulating adhesive films, in particular to a preparation method of an N type double-sided cell encapsulating adhesive film. The preparation method comprises steps as follows: polar POE (polyolefin elastomer) resin is prepared from polyolefin resin through grafting treatment and extruding granulation firstly and is sufficiently mixed with POE colloidal particles, an antioxidant, a heat stabilizer, a cross-linking agent, an accelerant and a silane coupling agent in proportion, production is performed with a film casting technology, and the technological process comprises steps of graft modification, mixing, extrusion, film casting, thickness measuring, embossing, shaping, trimming, winding and packaging. The transparency and the ageing resistance of the N type double-sided cell adhesive film prepared with the method are greatly improved, the service life of a solar cell module is prolonged, and the efficiency of N type double-sided cells is improved.

Description

technical field [0001] The invention relates to the technical field of packaging adhesive films, in particular to a preparation method of an N-type double-sided battery packaging adhesive film. Background technique [0002] Battery Encapsulation Adhesive Film (EVA) is a thermosetting adhesive film used to be placed between laminated glass (EVA is the abbreviation of Ethylene Vinyl Vinyl Acetate). Due to the superiority of EVA film in terms of adhesion, durability, and optical properties, it is more and more widely used in current components and various optical products. [0003] The existing battery encapsulation adhesive film also has technical deficiencies such as high shrinkage rate and unstable size. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a method for preparing an N-type double-sided battery packaging adhesive film, which has the characteristics of simple process, low shrinkage rate and stable size ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/00C09J151/06C09J123/08C09J11/06C08J5/18
CPCC08J5/18C08J2323/08C08J2351/06C08J2423/08C08J2451/06C08K2201/014C08L2201/08C08L2201/10C08L2203/16C09J7/00C09J11/06C09J123/0815C09J151/06C09J2203/322C09J2301/408C09J2301/414C09J2423/00C09J2423/04C09J2451/00C08L23/0815C08K5/5333C08K5/526C08K5/14C08K5/132C08K5/3435C08L51/06
Inventor 张好宾吕松何胡送
Owner CHANGZHOU SVECK PHOTOVOLTAIC NEW MATERIAL