Title:
SWELLING-RESISTANT POLYESTER COMPOSITE FILM, AND PREPARATION METHOD THEREFOR AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2024/044897
Kind Code:
A1
Abstract:
The present application relates to a swelling-resistant polyester composite film. The swelling-resistant polyester composite film comprises a core layer, a surface layer A and a surface layer B, wherein the surface layer A and the surface layer B are respectively located on the two side surfaces of the core layer. The surface layer A and the surface layer B each independently comprise the following raw materials in percentages by mass: 88-97% of a polyester material, and 3-12% of an additive. The core layer comprises the following raw materials in percentages by mass: 95-99% of a polyester material, and 1-5% of an additive. The additives in the surface layer A, the surface layer B and the core layer each comprise a nucleating agent, the contents of the nucleating agents in the surface layer A and the surface layer B are both higher than that of the nucleating agent in the core layer, and the mass percentage of the nucleating agents in the respective additives of the surface layer A and the surface layer B is not less than 50%.
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/CN2022/115544
Publication Date:
March 07, 2024
Filing Date:
August 29, 2022
Export Citation:
Assignee:
YANGZHOU NANOPORE INNOVATIVE MATERIALS TECH LTD (CN)
International Classes:
B32B27/36
Foreign References:
| CN113524830A | 2021-10-22 | |||
| JP2020084187A | 2020-06-04 | |||
| CN114864953A | 2022-08-05 | |||
| CN114083864A | 2022-02-25 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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