Electrical laminate

Details Electrical laminate Electrical laminate

1980-07-02

1983-01-25

Lesmes, George F.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156332, 428481, 428482, 428458, C09J 502

Patent

active

043701914

ABSTRACT:
An electrical laminate comprising layers of a resin impregnated fibrous substrate is disclosed. The resin has a glass transition point from about 20.degree. C. to 80.degree. C. and comprises a cured product of a mixture of an unsaturated polyester polymer and a cross-linking monomer. The laminate exhibits an improved punchability at a temperature not lower but not 20.degree. C. higher than the glass transition point of the resin.

REFERENCES:
patent: 2517698 (1950-08-01), Muskat
patent: 2632744 (1953-03-01), Howald
patent: 3897588 (1975-07-01), Nohtomi
patent: 3902951 (1975-09-01), Doi et al.
patent: 4012267 (1977-03-01), Klein
patent: 4197353 (1980-04-01), Tobias et al.

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