Flameproofed modacryl fibers and filaments having improved...

Details Flameproofed modacryl fibers and filaments having improved... Flameproofed modacryl fibers and filaments having improved...

C - Chemistry, Metallurgy

08

F

402/297, 402/354

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 1068044

Abstract of the disclosure: The invention relates to filaments and fibers the fila- ment-forming substance of which is a copolymer of from 35 to 85 weight % of acrylonitrile, from 5 to 45 weight % of vinyl chloride, vinyl bromide and/or vinylindene chloride, from 5 to 30 weight % of carboxyphospinic acid derivatives of the formula Image where R1 is lower alkyl having up to 8 carbon atoms, or CH2C1-, R2 is lower alkyl having up to 8 carbon atoms in which a hydrogen atom may be substituted by a halogen atom in case of R1 being CH2C1-, and R3 is hydrogen or methyl, from 0 to 15 weight % of other unsaturated compounds having an activated double bond; the weight percentages being rela- tive to the total amount of monomers, and a process for their manufacture. The filaments obtained are self-extinguishing and excel furthermore by their thermostability and their high degree of whiteness.

239929

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