Artificial hair from poly amino acid urethane fiber

Details Artificial hair from poly amino acid urethane fiber Artificial hair from poly amino acid urethane fiber

1992-02-07

1994-02-01

Anderson, Harold D.

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

Synthetic resins

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

525420, 525424, 525459, C08G 1860

Patent

active

052832970

ABSTRACT:
An artificial hair made of a fibers comprising a poly-.alpha.-amino acid derivative insoluble to water and alcohols and represented by one of the following general formulae (1)-(4): ##STR1## providing that R in each of the above formula (1)-(4) is R.sup.a, R.sup.b and R.sup.c represented, respectively, by the following general formula (5), (6) or (7): ##STR2## or made or polyamino acid urethane fiber comprising a copolymer of an amino acid N-carboxy anhydride and a polyurethane, in which the copolymer is subjected to an amidation reaction with an organic diamine and an organic amine having amino groups and mercapto groups or disulfide groups and to shaping into a fibrous form.
The artificial hair has a dyeability, shape retainability, natural and soft and flexible feeling, excellent tough and brushing property, as well as has natural color and gloss and toughness like that natural protein fiber.

REFERENCES:
patent: 4767827 (1988-08-01), Iwatsuki et al.
Patent Abstracts of Japan vol. 16 No. 437 (C-984)(5480) Sep. 11, 1992.

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