Title:
POLYARYLENE SULFIDE STAPLE FIBER, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/013941
Kind Code:
A1
Abstract:
The present invention provides a novel polyarylene sulfide staple fiber. In particular, the staple fiber may have a low single yarn rate and excellent mechanical strength. Furthermore, the staple fiber can provide a nonwoven fabric having low pressure-loss and excellent filter efficiency, and thus can be effectively used in various filters.
Inventors:
KIM JI-HUN (KR)
KIM MIN-SEOK (KR)
KIM SUNG-GI (KR)
KIM DO-KYOON (KR)
KIM MIN-SEOK (KR)
KIM SUNG-GI (KR)
KIM DO-KYOON (KR)
Application Number:
PCT/KR2022/010812
Publication Date:
February 09, 2023
Filing Date:
July 22, 2022
Export Citation:
Assignee:
HDC POLYALL CO LTD (KR)
International Classes:
D01F1/10; C08G75/0263; D01D5/098; D01D5/26; D01F1/07; D01F6/76; D04H1/4326
Foreign References:
| KR20160050047A | 2016-05-10 | |||
| EP0405135B1 | 1995-01-18 | |||
| US4897454A | 1990-01-30 | |||
| KR20170105269A | 2017-09-19 | |||
| KR20200002731A | 2020-01-08 | |||
| KR20150085087A | 2015-07-22 |
Attorney, Agent or Firm:
FIRSTLAW P.C. (KR)
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