Laminate composition comprising polyetherimide impregnated fabri

Details Laminate composition comprising polyetherimide impregnated fabri Laminate composition comprising polyetherimide impregnated fabri

1980-09-16

1982-02-02

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

525424, 528 73, 428256, 428260, 428273, 428285, 428290, B32B 700

Patent

active

043139990

ABSTRACT:
A laminate having desirable physical and high temperature properties is described. The laminate is composed of a conventional fabric material impregnated with a polyimide reaction product of substantially stoichimetric amounts of bis(etheranhydride) with a diamine compound, said reaction product being cross-linked with a tri-functional isocyanate agent.

REFERENCES:
patent: 3833544 (1974-09-01), Takekoshi et al.
patent: 3847867 (1974-11-01), Heath et al.

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