Title:
COMPOSITE POLYESTER FILM, AND PREPARATION METHOD THEREFOR AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2024/050722
Kind Code:
A1
Abstract:
The present application relates to a composite polyester film, and a preparation method therefor and the use thereof. The composite polyester film comprises: a middle layer (2), and a first outer layer (1) and a second outer layer (3) that are respectively located on two opposite surfaces of the middle layer (2), wherein the middle layer (2) comprises the following components in parts by mass: 96.0-99.4 parts of a polyester and 0.5-3 parts of a polyester modified with an oxygen-containing functional group; the first outer layer (1) comprises the following components in parts by mass: 79.0-94.9 parts of a polyester and 5-20 parts of a polyester modified with an oxygen-containing functional group; and the second outer layer (3) comprises the following components in parts by mass: 79.0-94.9 parts of a polyester and 5-20 parts of a polyester modified with an oxygen-containing functional group.
Inventors:
ZHU ZHONGYA (CN)
WANG SHUAI (CN)
XIA JIANZHONG (CN)
LI XUEFA (CN)
ZHANG GUOPING (CN)
WANG SHUAI (CN)
XIA JIANZHONG (CN)
LI XUEFA (CN)
ZHANG GUOPING (CN)
Application Number:
PCT/CN2022/117593
Publication Date:
March 14, 2024
Filing Date:
September 07, 2022
Export Citation:
Assignee:
YANGZHOU NANOPORE NEW MATERIALS TECH CO LTD (CN)
International Classes:
B32B27/36; B29D7/01; B32B27/06; B32B27/08; B32B27/18; B32B33/00; C08J5/18; C08L67/00; C08L67/02; H01M4/66
Foreign References:
| CN115583088A | 2023-01-10 | |||
| CN109648966A | 2019-04-19 | |||
| CN101652247A | 2010-02-17 | |||
| CN106459239A | 2017-02-22 | |||
| US20200216661A1 | 2020-07-09 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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