Polyurethane hard fiber

Details Polyurethane hard fiber Polyurethane hard fiber

D - Textiles, Paper

01

F

18/585

D01F 8/04 (2006.01) C08G 18/12 (2006.01) C08G 18/66 (2006.01) D01F 8/10 (2006.01)

Patent

CA 1051626

POLYURETHANE HARD FIBER Abstract of the Disclosure Drawing performance of a conjugated elastomeric poly- urethane-hard fiber yarn is improved by critical stoichiometry in preparation of the polyurethane polymer, which is made by reacting together a high molecular weight diol, a low molecular weight diol, and a diisocyanate so that the resulting poly- urethane contains between 1 and 45 (preferably between 1 and 27) microequivalents of unreacted isocyanate groups per gram of polymer at the time of melt spinning.

197866

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