Crosslinked acrylonitrile copolymers

Details Crosslinked acrylonitrile copolymers Crosslinked acrylonitrile copolymers

1977-05-18

1978-12-26

Woo, Jay H.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

264182, 264206, 264236, 526 50, C07D 8536, D01D 514

Patent

active

041317246

ABSTRACT:
The invention relates to a process for the production of crosslinked fibres or filaments by spinning an acrylonitrile copolymer containing at least 20 mVal of carboxyl groups per kg of polymer together with a polyoxazoline in a polar organic solvent and thereafter crosslinking at temperatures of from 120 to 190.degree. C.
The invention also relates to crosslinked acrylonitrile fibres and filaments obtainable by this process.

REFERENCES:
patent: 2543602 (1951-02-01), Rowland
patent: 2554959 (1951-05-01), Rowland
patent: 3609161 (1971-09-01), Dowbenko
patent: 3758629 (1973-09-01), Thill

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