Modacryl filaments and fibers and process for their manufacture

Details Modacryl filaments and fibers and process for their manufacture Modacryl filaments and fibers and process for their manufacture

1976-02-25

1977-11-01

Woo, Jay H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

264182, 264210F, 526342, C08F 2800

Patent

active

040565165

ABSTRACT:
The invention relates to modacryl filaments and fibers made from copolymers insoluble in acetone of acrylonitrile and from 20 to 45 weight % of vinylidene chloride, containing from 0 to 1.5 weight % of unsaturated organic sulfonic acids or the salts thereof, and from 0 to 10 weight % of further copolymerizable compounds, which copolymers have a K value according to Fikentscher of from about 60 to about 90, and a process for the manufacture thereof. These modacryl filaments and fibers are especially distinguished by their permanent brilliance and permanent transparence; these properties are maintained even on contact with water having a temperature above 80.degree. C.

REFERENCES:
patent: 3729531 (1973-04-01), Suling et al.
patent: 3732339 (1973-05-01), Suling et al.
patent: 3781248 (1973-12-01), Sakai et al.
patent: 3943223 (1976-03-01), Kozuka et al.

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