Gloss-stable modacrylic fibres

Details Gloss-stable modacrylic fibres Gloss-stable modacrylic fibres

1976-12-21

1978-11-21

Woo, Jay H.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

264206, 526342, 526287, C08F 2800

Patent

active

041266030

ABSTRACT:
The invention relates to gloss-stable modacrylic fibres and filaments comprising 50 to 84% of acrylonitrile, 15 to 48% of vinylidene chloride and 2 to 5% of an olefinically unsaturated sulphonic acid or salt thereof, all percentages being by weight, having a shrinkage in boiling water of at most 0.3%, a reduction in density on treatment with boiling water of no more than 0.015 g/cc and a scattered light component after boiling of at most 35 units compared with a BaSO.sub.4 standard of 1000 units, the increase brought about by treatment with boiling water amounting to no more than 30 units as well as to a process for their production.

REFERENCES:
patent: 3943223 (1976-03-01), Kozuka et al.
patent: 4002809 (1977-01-01), Kozuka et al.
patent: 4014958 (1977-03-01), Miessen et al.
patent: 4056516 (1977-11-01), Albers et al.
patent: 4056517 (1977-11-01), Albers et al.

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