公开(公告)号：US20240271330A1

公开(公告)日：2024-08-15

申请号：US18567975

申请日：2022-02-08

Applicant: TORAY ADVANCED MATERIALS KOREA INC.

Inventor： Jeong Sam KIM ,  Ju Hyun LEE

IPC: D01F1/04 ,  C08G69/26 ,  C08J3/22 ,  D01D5/04 ,  D01F6/60

CPC classification number: D01F1/04 ,  C08G69/26 ,  C08J3/22 ,  D01D5/04 ,  D01F6/605 ,  C08J2377/06 ,  D10B2331/021 ,  D10B2401/063 ,  D10B2401/20

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.