Method for manufacturing electrical insulating composite materia

Details Method for manufacturing electrical insulating composite materia Method for manufacturing electrical insulating composite materia

1986-08-20

1988-10-25

Schofer, Joseph L.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428290, 428394, 428395, 428413, 427386, 528 90, 528 93, 525382, 525423, 525438, 525504, 174137R, B32B 2704, C08G 5968

Patent

active

047803606

ABSTRACT:
Electrically insulating composite materials formed from (1) epoxy resins and (2) polymeric fiber reinforcement which have high strength are formed if the cross-linking of the epoxy resin is accomplished by anionic polymerization using tertiary amines of the formula ##STR1## as catalyst.

REFERENCES:
patent: 2553718 (1951-05-01), Newey et al.
patent: 2977332 (1961-03-01), Zumstein
patent: 3424795 (1969-01-01), Lund et al.
patent: 3532653 (1970-10-01), Smeal
patent: 3934067 (1976-01-01), Goldman et al.
patent: 4022946 (1977-05-01), Cummings
patent: 4076869 (1978-02-01), Flynn
patent: 4237149 (1980-12-01), Denk et al.
patent: 4528358 (1985-07-01), Kleeburg et al.
Narracott, "The Curing of Epoxide Resins", British Plastics, 26 (120-2), (1953).

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