Acrylonitrile copolymers for carbon fibers

Details Acrylonitrile copolymers for carbon fibers Acrylonitrile copolymers for carbon fibers

1976-10-22

1978-08-15

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 296AB, 4234472, 4234473, 4234476, 4234477, 526 9, 526 10, C08F22044

Patent

active

041074084

ABSTRACT:
A suitable precursor for the production of carbon fibre is an acrylonitrile copolymer containing at least one non-acrylic moiety which is a carbonyl group a hydroxymethylene group, --CH(OH)-- or a two carbon moiety containing a carbonyl group or a hydroxymethylene group and in which the non-acrylonitrile moiety is present to the extent of 5 to 15 molar parts per 100 molar parts of acrylonitrile moiety.
The preparation of such copolymers and their conversion to carbon fibre is described.

REFERENCES:
patent: 2332899 (1943-10-01), D'Alelio
patent: 2566255 (1951-08-01), Smith et al.
patent: 2569470 (1951-09-01), Hagemeyer et al.
patent: 3388199 (1968-06-01), Chaney et al.

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