Acrylonitrile copolymer, and fiber or core-sheath conjugate fibe

Details Acrylonitrile copolymer, and fiber or core-sheath conjugate fibe Acrylonitrile copolymer, and fiber or core-sheath conjugate fibe

1992-12-07

1993-08-10

Schofer, Joseph L.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

D02G 300

Patent

active

052347664

ABSTRACT:
The present invention relates to an acrylonitrile copolymer comprising 70% by weight or more of an acrylonitrile monomer unit and 0.1-30% by weight of a fluoroalkyl methacrylate or fluoroalkyl acrylate monomer unit and having an intrinsic viscosity of 0.8-10, as well as to an acrylonitrile type core-sheath conjugate fiber using the above copolymer as the sheath component. The copolymer according to the present invention has water repellency by itself; accordingly, the above conjugate fiber prepared therefrom also exhibits water repellency permanently.

REFERENCES:
patent: 2682527 (1954-06-01), Dickey et al.
patent: 2716106 (1955-08-01), Gilbert et al.
patent: 3388199 (1968-06-01), Chaney et al.

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