Epoxy resin with phenolic OH-aramide/ban block copolymer

Details Epoxy resin with phenolic OH-aramide/ban block copolymer Epoxy resin with phenolic OH-aramide/ban block copolymer

1992-03-16

1993-11-02

Sellers, Robert E.

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

Synthetic resins

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

428418, 428408, 428209, 523436, C08L 6302, C08L 6304

Patent

active

052584569

ABSTRACT:
An epoxy resin modified material is disclosed, which is obtained by reacting an epoxy resin and a phenolic hydroxyl group-containing aramid/polybutadiene-acrylonitrile block copolymer represented by formula (I): ##STR1## wherein Ar.sup.1 and Ar.sup.3 each represent a divalent aromatic group; Ar.sup.2 represents a phenolic hydroxyl group-containing divalent aromatic group; x represents an integer of from 3 to 7; y represents an integer of from 1 to 4; y/(x+y) is from 0.1 to 0.3; z represents an integer of from 5 to 15; m represents an integer of from 1 to 400; n represents an integer of from 1 to 400; n/(m+n) is from 0.01 to 0.50; and l represents an integer of from 1 to 50. An epoxy resin composition containing the epoxy resin modified material is also disclosed.

REFERENCES:
patent: 5189101 (1993-02-01), Burlett et al.
Derwent abstract No. 83-18783k/08 of Japanese Patent No. 58-7426 to Japan Synthetic Rubber, published Jan. 17, 1983.

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