Title:
ARAMID DOPE-DYED YARN AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/260239
Kind Code:
A1
Abstract:
The present invention relates to an aramid dope-dyed yarn and a manufacturing method therefor, the aramid dope-dyed yarn being manufactured by blend spinning a mixture dope comprising: a master batch dope comprising a pigment and a meta-aramid dope, which is obtained by polymerizing m-phenylene diamine (MPD) and isophthaloyl chloride (IPC); and the meta-aramid dope, and provided is an aramid dope-dyed yarn having less color deviation and excellent light fastness due to uniform pigment dispersion.
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Inventors:
KIM JEONG SAM (KR)
LEE JU HYUN (KR)
LEE JU HYUN (KR)
Application Number:
PCT/KR2022/001908
Publication Date:
December 15, 2022
Filing Date:
February 08, 2022
Export Citation:
Assignee:
TORAY ADVANCED MAT KOREA INC (KR)
International Classes:
D01F1/04; D01D5/04; D01F6/60
Foreign References:
KR20190004110A | 2019-01-11 | |||
JP2008138335A | 2008-06-19 | |||
KR101981758B1 | 2019-05-27 | |||
KR20050043888A | 2005-05-11 | |||
KR20130133352A | 2013-12-09 | |||
KR101558064B1 | 2015-10-06 |
Attorney, Agent or Firm:
KIM, Byung Joo (KR)
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