Stabilized acrylic fibers and polyurethane elastomer fibers and

Details Stabilized acrylic fibers and polyurethane elastomer fibers and Stabilized acrylic fibers and polyurethane elastomer fibers and

1991-11-20

1993-11-23

Carrillo, Ana L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525220, 525238, C08L 3320

Patent

active

052645266

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.

REFERENCES:
patent: 3313866 (1967-04-01), Horton et al.
patent: 3328491 (1967-06-01), Fertig et al.
patent: 3365421 (1968-01-01), Horton et al.
patent: 4164522 (1979-08-01), Gibbs
patent: 4524193 (1985-06-01), Yamazaki et al.
Polymer Preprints. 28(1) Apr. 1987, pp. 205-206.
Encyclopedia of Chemical Technology, vol. 1, John Wiley & Son. 1978, pp. 364-366.
Encyclopedia of Polymer Science and Engineering, John Wiley & Sons, vol. 1, 1985, p. 350.
Journal of Macromolecular Science-Chemistry, A24(9), 1987, pp. 1085-1097.

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