Non-tacky, highly elastic polyurethane elastomer...

Details Non-tacky, highly elastic polyurethane elastomer... Non-tacky, highly elastic polyurethane elastomer...

D - Textiles, Paper

01

F

D01F 6/70 (2006.01) C08G 18/65 (2006.01) D01D 5/08 (2006.01)

Patent

CA 2114281

The present invention relates to non-tacky, highly elastic polyurethane elastomer monofilaments and multifilaments, which are produced by spinning a melt of a partially crosslinked thermoplastic polyurethane, obtainable by reacting a) at least one organic diisocyanate with b) at least one dihydroxyl compound having a molecular weight of from 500 to 4,000, c) at least one difunctional hydroxyl-containing chain extender having a molecular weight of from 62 to 380, and d) at least one trifunctional hydroxyl-containing crosslinking agent, to a process for their production, to their use for the production of fibers andtextile sheet-like structures, and to the partially crosslinked, thermoplastic polyurethanes which can be used for this purpose.

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