Process for preparing polyetherimide/epoxyimide resin compositio

Details Process for preparing polyetherimide/epoxyimide resin compositio Process for preparing polyetherimide/epoxyimide resin compositio

1988-12-07

1990-08-14

Carrillo, Ana L.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525423, 525436, C08L 6300

Patent

active

049488317

ABSTRACT:
A process for the preparation of a polyetherimide/epoxyimide resin composition comprising (a) mixing a polyetherimide and an epoxyimide in a mixing ratio, by weight, of polyetherimide to epoxyimide of from 6:1 to 1:1 in a polar solvent to form a mixed resin composition, said polyetherimide being represented by the following formula of: ##STR1## said epoxyimide being represented by the following general formula of: ##STR2## wherein n is an integer from from 0 to 10; and R.sub.2 is a bifunctional organic radical residue selected from the group consisting of diphenylmethane, diphenyl ether, diphenyl sulfone, m-phenylene, p-phenylene and 1,6-hexamethylene; (b) molding said mixed resin composition prepared in the preceding mixing step, followed by removal of said polar solvent from the molded mixture; and (c) heating molded composition at a temperature of 100.degree. C. to 300.degree. C. for 1 to 3 hours.

REFERENCES:
patent: 4557860 (1985-12-01), DiSalvo et al.
patent: 4604230 (1986-08-01), Goswami et al.
patent: 4769475 (1988-09-01), Sasaki et al.
patent: 46752398 (1987-03-01), Goswani et al.
Sampe Quarterly, vol. 13, 1981, pp. 20-25.
L. H. Sperling, "Interpenetrating Polymer Networks and Related Materials", Plenum Press, N.Y., 1981, pp. 1-9.

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