C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/297, 402/348
C08F 220/46 (2006.01) C08F 220/44 (2006.01) C08F 230/02 (2006.01) D01F 6/18 (2006.01) D01F 6/40 (2006.01)
Patent
CA 1068045
Abstract of the disclosure: The invention provides filaments and fibers on the basis of modacrylic polymers wherein the fiber-forming substance com- prises a copolymer of 35 to 85% by weight of acrylonitrile 5 to 45% by weight of vinyl chloride, vinyl bromide, vinyli- dene chloride or a mixture thereof, and 5 to 30% by weight of a carboxyphosphinic acid derivative of the formula Image in which R1 and R2 represent alkyl or haloalkyl radicals hav- ing at most carbon atoms, R3 stands for a hydrogen atom or a methyl group X represents an oxygen or a sulfur atom and Y is an optionally branched alkylene group having from 1 to 6 carbon atoms, and 0 to 15% by weight of other unsaturated compounds with acti- vated double bond, and a process for their manufacture. The filaments and fibers are self-extinguishing, have a good ther- mostability and a high degree of whiteness.
239954
Huber Bernd
Kleiner Hans-Jerg
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