公开(公告)号：WO2023274810A1

公开(公告)日：2023-01-05

申请号：PCT/EP2022/067022

申请日：2022-06-22

Applicant: BASF SE ,  BASF (CHINA) COMPANY LIMITED

Inventor： ZHANG, Xiu Juan ,  RODEWALD, Dieter ,  SHI, Da ,  ZHOU, Ming Qian ,  JIANG, Dian Bo

IPC: C08G18/10 ,  C08G18/28 ,  C08G18/32 ,  C08G18/42 ,  C08G18/76 ,  C08L75/12 ,  C09D175/12 ,  C08G18/2865 ,  C08G18/3228 ,  C08G18/4211 ,  C08G18/4244 ,  C08G18/7671

Abstract: The present invention relates to polyurethane urea fiber or film having high elongation and low modulus, low hysteresis loss while excellent elastic recovery. The elastic polyurethane elastic fiber or film of the present invention are formed from a copolymer glycol, a diisocyanate, a chain extender and optionally a chain terminator. The characteristics of the polyurethane fibers are specified that the hard segment content thereof is in the range of 8.0-13.0% by weight.

公开(公告)号：EP4363471A1

公开(公告)日：2024-05-08

申请号：EP22738391.6

申请日：2022-06-22

Applicant: BASF SE

Inventor： ZHANG, Xiu Juan ,  RODEWALD, Dieter ,  SHI, Da ,  ZHOU, Ming Qian ,  JIANG, Dian Bo

IPC: C08G18/10 ,  C08G18/28 ,  C08G18/32 ,  C08G18/42 ,  C08G18/76 ,  C08L75/12 ,  C09D175/12

CPC classification number: C08G18/7671 ,  C08G18/10 ,  C08G18/3228 ,  C08G18/2865 ,  C08G18/4244 ,  C08G18/4211 ,  C09D175/12 ,  C08L75/12

公开(公告)号：EP4490215A1

公开(公告)日：2025-01-15

申请号：EP23709178.0

申请日：2023-03-02

Applicant: BASF SE

Inventor： ZHANG, Xiu Juan ,  SHI, Da ,  ZHOU, Ming Qian ,  JIANG, Dian Bo

IPC: C08G18/10 ,  C08G18/42 ,  C08G18/48 ,  C08G18/76 ,  D01F6/70