№ US20260002290A1发明专利
审中SPANDEX FIBERS WITH IMPROVED LOW-TEMPERATURE HEAT SETTABILITY
SPANDEX FIBERS WITH IMPROVED LOW-TEMPERATURE HEAT SETTABILITY
Polyurethaneurea compositions and spandex fiber, fabric and other articles of manufacture thereof with a high low-temperature heat set efficiency and effective methods for their production using mixtures of diamine chain extenders are provided.
❖THE LYCRA COMPANY LLCJohn T CASEY; Hong LIU; Robert O WALDBAUER; Andreas Juergen BLAB§ 2/22 权利要求D1F 6/78, C8G 71/4, D4B 1/16 +110