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Title:
ALUMINUM-PLASTIC COMPOSITE FILM AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2024/027099
Kind Code:
A1
Abstract:
An aluminum-plastic composite film and a preparation method therefor. The aluminum-plastic composite film comprises an aluminum foil layer, a protective layer, and a sealing layer. The sealing layer comprises an intermediate layer, a heat sealing layer, and an adhesive layer. The adhesive layer is bonded to the aluminum foil layer. Raw materials for preparing the adhesive layer comprise in percentage by mass: 5-15% of modified potassium titanate whiskers, the modified potassium titanate whiskers being prepared by treating potassium titanate whiskers by means of a methylacetyl silane coupling agent and/or an epoxy functional group silane coupling agent. In the aluminum-plastic composite film, 5-15% of modified potassium titanate whiskers are introduced into the adhesive layer bonded to the aluminum foil layer, and the modified potassium titanate whiskers are obtained by performing silanization treatment on potassium titanate whiskers by means of a methylacetyl silane coupling agent and/or an epoxy functional group silane coupling agent. The introduction of the specific content of modified potassium titanate whiskers can improve electrolyte resistance. Moreover, after the potassium titanate whiskers are subjected to silanization treatment, the compatibility of the potassium titanate whiskers and the adhesive layer is improved without weakening the bonding effect with the aluminum foil layer, so that better electrolyte resistance can be achieved.

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Inventors:
YANG HUIHUI (CN)
DAI PINGXIANG (CN)
YUAN GONGDAO (CN)
JING GUANGHUI (CN)
XU QIUCHUN (CN)
DAI XIAOBING (CN)
Application Number:
PCT/CN2022/143776
Publication Date:
February 08, 2024
Filing Date:
December 30, 2022
Export Citation:
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Assignee:
JIANGXI SHENGWEI MAT CO LTD (CN)
ZHUHAI SMOOTHWAY ELECT MAT CO LTD (CN)
International Classes:
B32B15/20
Foreign References:
CN115302883A2022-11-08
CN112701390A2021-04-23
CN105504763A2016-04-20
CN109494317A2019-03-19
CN111518479A2020-08-11
CN113878963A2022-01-04
CN114771066A2022-07-22
EP0346149A21989-12-13
JP2012160279A2012-08-23
JPH05214117A1993-08-24
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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