Stabilized acrylic fibers and polyurethane elastomer fibers and process for making same
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United States of America Patent
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Nov 23, 1993
Grant Date -
N/A
app pub date -
Nov 20, 1991
filing date -
Nov 20, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Light-stabilized acrylonitrile polymer fiber and polyurethane elastomer fiber are made by incorporating a copolymer of 20-80 weight % of a benzophenone compound of the formula: ##STR1## wherein R is hydrogen or methyl and X is --O--, --OCH.sub.2 CH.sub.2 O--or --OCH.sub.2 CH(OH)CH.sub.2 O--, and 80-20 weight % of an ethylenically unsaturated monomer with an acrylonitrile polymer or a polyurethane elastomer; and a dope of the polymer mixture in an organic solvent is wet-spun into a fiber.
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