The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 25, 2026
Filed:
Oct. 26, 2021
Changshu 3f Zhonghao New Chemical Materials Co., Ltd., Jiangsu, CN;
Shanghai Huayi 3f New Materials Co., Ltd., Shanghai, CN;
Changshu 3f Zhenfu New Materials Co., Ltd., Suzhou, CN;
Xingxing Sun, Shanghai, CN;
Shuyu Liu, Shanghai, CN;
Bo Huang, Shanghai, CN;
Lifeng Song, Shanghai, CN;
Lijun Du, Shanghai, CN;
Junyi Wu, Shanghai, CN;
Changshu 3F Zhonghao New Chemical Materials Co., Ltd., Jiangsu, CN;
Abstract
A gas separation membrane, a preparation method therefor, and the use thereof in which the gas separation membrane comprises 60-100 mol % of a monomeric unit derived from α,β,β-trifluorostyrene, and has an intrinsic viscosity of 0.5-5.0 dL/g and a tensile strength of at least 50 MPa. According to the GB/T 1038-2000 test method test, the permeability coefficient of hydrogen is at least 100 barrer.