D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
D01F 6/58 (2006.01) C08G 18/66 (2006.01) D01D 5/08 (2006.01) D01F 6/70 (2006.01)
Patent
CA 2121996
Tack-free, Highly Elastic Mono- and Multi-fil Polyester/Polyurethane Elastomer Filaments, a Process for the Preparation Thereof by Melt Spinning and the Use Thereof Abstract of the disclosure The invention relates to tack-free, highly elastic mono- and multi-fil polyester/poly- urethane elastomer filaments which are manufactured by spinning a melt of a partially crosslinked thermoplastic polyurethane which is obtainable by reacting a) at least one organic, preferably aromatic, diisocyanate with b) at least one polyester diol having a molecular weight of from 500 to 5000, c) at least one difunctional hydroxyl group-containing chain extender having a molecular weight of from 62 to 380 and d) at least one at least trifunctional hydroxyl group-containing crosslinking agent, to a process for the manufacture thereof by a melt-spinning process and to the use thereof for the manufacture of fibers and flat textile articles.
Groll Peter
Matthies Hans G.
Basf Aktiengesellschaft
Robic
LandOfFree
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