公开(公告)号：US12030978B2

公开(公告)日：2024-07-09

申请号：US18004969

申请日：2020-09-25

Applicant: HYOSUNG TNC CORPORATION

Inventor： Ji Young Kang ,  Yeon Soo Kang ,  Tae Heon Kim ,  Seong Bin Cho

IPC: D01F1/00 ,  C08G18/12 ,  C08G18/28 ,  C08G18/32 ,  C08G18/76 ,  D01F1/10 ,  D01F6/78 ,  D02G3/02 ,  D02G3/32 ,  D06P3/02

CPC classification number: C08G18/12 ,  C08G18/2865 ,  C08G18/3228 ,  C08G18/7671 ,  D01F1/10 ,  D01F6/78 ,  D02G3/02 ,  D02G3/328 ,  D06P3/028 ,  D10B2331/30 ,  D10B2401/061 ,  D10B2401/14

Abstract: The present invention is directed to a reactive dye-dyeable polyurethane-urea elastic yarn including a reaction product of at least two polyols, a diisocyanate compound, a diamine chain extender, an amine chain terminator, and a diethylenetriamine compound, wherein one of the polyols is polyethylene glycol, which is included in an amount of 20 to 30.0 mol % based on the total amount of the polyols, a polyurethane-urea polymer includes 10 meq/kg to 45 meq/kg of primary amine ends, and the capping ratio (CR) of the diisocyanate to the polyols is 1.8 to 2.0.