Carboxyl group-modified acrylonitrile fiber and process of produ

Details Carboxyl group-modified acrylonitrile fiber and process of produ Carboxyl group-modified acrylonitrile fiber and process of produ

1994-10-25

1996-01-30

Ryan, Patrick J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428375, 428394, 811555, 811556, 525301, 525303, D02G 300

Patent

active

054879426

ABSTRACT:
Cellulose or acrylonitrile fiber having methacrylic acid or hydroxyalkyl methacrylate graft-copolymerized in an amount of 3-60% by weight is disclosed. The graft fiber is produced by reacting methacrylic acid or a hydroxyalkyl methacrylate with cellulose or acrylonitrile fiber in an aqueous medium containing hydrogen peroxide and a ferrous salt.

REFERENCES:
patent: 3846386 (1974-11-01), Yamamoto et al.
patent: 3984515 (1976-10-01), Mommaerts et al.
patent: 4107129 (1978-08-01), Tanaka et al.
patent: 4151151 (1979-04-01), Isley
patent: 4515859 (1985-05-01), De Maria
patent: 4743267 (1988-05-01), Dyer
patent: 5089135 (1992-02-01), Yoneyama et al.
patent: 5168004 (1992-01-01), Daumit et al.
patent: 5334419 (1994-08-01), Minami et al.
Textile Research Journal, vol. 59, No. 9, Sep. 1989, pp. 525-529.
Database WPI Week 9431, Derwent Pub. AN 94-253428.

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