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OCA optical cement composition, OCA optical cement film and thin film solar cell

A technology of optical adhesive and composition, applied in the field of materials, can solve the problem that OCA optical adhesive film cannot cut off ultraviolet optical performance requirements, and achieve the effect of avoiding photo-oxidative aging

Inactive Publication Date: 2017-12-15
ZHANGJIAGANG KANGDE XIN OPTRONICS MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The main purpose of this application is to provide a composition of OCA optical adhesive, OCA optical adhesive film and thin-film solar cell, to solve the problem that the OCA optical adhesive film in the thin-film solar cell in the prior art cannot cut off ultraviolet rays while satisfying its optical properties asked questions

Method used

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  • OCA optical cement composition, OCA optical cement film and thin film solar cell
  • OCA optical cement composition, OCA optical cement film and thin film solar cell
  • OCA optical cement composition, OCA optical cement film and thin film solar cell

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preparation example Construction

[0041] The preparation process of the above-mentioned OCA optical adhesive film is as follows: firstly, under the condition of stirring, the auxiliary agent in the OCA optical adhesive is mixed with the OCA optical adhesive to form a premix; step S2, the above premix is ​​left to stand or vacuum detached foaming to form a mixture of OCA optical adhesive; step S3, coating the above mixture on the substrate, and then curing to form an OCA optical adhesive film.

[0042] The OCA optical glue in this application can be a thermosetting optical glue and / or an ultraviolet-curable OCA optical glue, and those skilled in the art can select a suitable OCA optical glue according to specific conditions.

[0043] When the above-mentioned OCA optical adhesive is a thermosetting OCA optical adhesive, between the above-mentioned step S1 and the above-mentioned step S2, a step of adding a curing agent to the above-mentioned premix is ​​also included. The curing agent can accelerate the curing o...

Embodiment 1

[0048] Firstly, the OCA optical adhesive in the composition of the OCA optical adhesive is mixed with additives to form a mixture.

[0049] Select SA-3000 thermosetting OCA optical glue from Sanhe Company, whose optical transmittance is above 90%. The thermosetting OCA optical glue includes OCA optical glue solvent and OCA optical glue solute. Select a certain amount of The optical glue, and the OCA optical glue solute therein is 100 parts (by weight, the following parts are all by weight).

[0050] 0.5 parts of 2-hydroxy-4-n-octyloxybenzophenone (which is a kind of benzophenone UV absorber), 0.1 parts of 4-benzoyloxy-2,2,6, 6-tetramethylpiperidine (a hindered amine UV absorber), and 0.1 part of 2-(2′-hydroxy-5′-methylphenyl)benzotriazole (a benzotriazole Class UV absorber), 1 part of light stabilizer 622, 1 part of light stabilizer 944, 1 part of primary antioxidant 1010 and 0.1 part of auxiliary antioxidant 618, a total of 3.8 parts are added to the above-mentioned OCA opti...

Embodiment 2

[0054] Firstly, the OCA optical adhesive in the composition of the OCA optical adhesive is mixed with additives to form a mixture.

[0055] Select the UV-curable OCA glue of South Korea's Sanhe model OCR-500, and its optical transmittance is above 90%. The OCA optical glue includes OCA optical glue solvent and OCA optical glue solute. Select a certain amount of this optical glue, And, the OCA optical colloid wherein is 100 parts (by weight, the following parts are all by weight).

[0056] Mix 2 parts of 2-(2′-hydroxyl-5′-methylphenyl)benzotriazole (a benzotriazole UV absorber), 2 parts of light stabilizer 292 (a hindered Amine light stabilizer); 0.5 parts of antioxidant 9228; 0.02 parts of auxiliary antioxidant 618 add up to 4.52 parts in the above-mentioned OCA optical glue, and stir, so that the auxiliary agent is preferably dissolved in the OCA optical glue, Form a premix. The above premix is ​​allowed to stand for a period of time.

[0057] Then, the OCA optical adhesiv...

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Abstract

The invention provides an OCA optical cement composition, OCA optical cement film and thin film solar cell. The OCA optical cement composition includes OCA optical cement and auxiliary agents which are mutually soluble with the OCA optical cement, wherein the OCA optical cement includes OCA optical cement solute, and the auxiliary agents include a UV absorbent, a free radical scavenger, and an anti-oxidant, and the weight of the OCA optical cement solute is 0.1-5.2% of that of the OCA optical cement solute. The auxiliary agents in the composition can prevent OCA optical cement in the composition from photoaging and oxidative aging.

Description

technical field [0001] The present application relates to the field of materials, in particular, to an OCA optical adhesive composition, an OCA optical adhesive film, and a thin-film solar cell. Background technique [0002] OCA Optical Adhesive (Optically Clear Adhesive) is a special adhesive used to bond transparent optical components (such as lenses, etc.). It is required to be colorless and transparent, with a light transmittance of more than 90%, good bonding strength, heat-setting or ultraviolet (UV) curing, and small curing shrinkage. [0003] The traditional OCA optical adhesive is mainly used as the raw material of the important touch screen. It is made of optical acrylic adhesive without base material, and then on the upper and lower layers, OCA optical adhesive is used to attach a layer of release film to form a base material-free Double sided lamination tape. Moreover, traditional OCA optical adhesives are mainly used for touch screens of mobile phones, and the...

Claims

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Application Information

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IPC IPC(8): C09J11/06C09J7/02H01L31/054
CPCC08K5/132C08K5/3435C08K5/3475C09J11/06C09J2203/322C09J2301/122C09J2301/408H01L31/054Y02E10/52
Inventor 李硕其他发明人请求不公开姓名
Owner ZHANGJIAGANG KANGDE XIN OPTRONICS MATERIAL
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