Title:
METHOD FOR PREPARING FIBER OF IMIDE COPOLYMER AND FIBER PREPARED THEREBY
Document Type and Number:
WIPO Patent Application WO/2024/067259
Kind Code:
A1
Abstract:
The present disclosure relates to a method for preparing a fiber of an imide copolymer (A), comprising: (1) extruding a solution of the imide copolymer (A), (2) solidifying, and (3) drying and spinning, wherein the imide copolymer (A) is an imide copolymer having an imide side group, and the fiber is in the form of a monofilament. The present disclosure further relates to a fiber obtained by the method. The method of the present invention has high efficiency, simplicity and low cost, and is capable of realizing continuous production; and the obtained fiber has high strength, is easy to be separated and is in the form of the monofilament. In addition, the method of the present invention can be performed by using an environment-friendly solvent.
More Like This:
Inventors:
YANG WANTAI (CN)
CHEN MINGSEN (CN)
HUANG YANBIN (CN)
CHEN MINGSEN (CN)
HUANG YANBIN (CN)
Application Number:
PCT/CN2023/119807
Publication Date:
April 04, 2024
Filing Date:
September 19, 2023
Export Citation:
Assignee:
UNIV TSINGHUA (CN)
International Classes:
D01F6/28; D01D5/04; D01D5/06; D01F6/30; D01F6/42
Foreign References:
| CN115627554A | 2023-01-20 | |||
| CN102791751A | 2012-11-21 | |||
| CN101680127A | 2010-03-24 | |||
| CN106279683A | 2017-01-04 | |||
| CN112575449A | 2021-03-30 | |||
| CN114232124A | 2022-03-25 | |||
| CN114457452A | 2022-05-10 | |||
| CN114989606A | 2022-09-02 | |||
| CN1430685A | 2003-07-16 | |||
| JP2001146632A | 2001-05-29 | |||
| JP2009074185A | 2009-04-09 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
Download PDF: