Electrical laminate comprising a plurality of fibrous layers and

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...

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428414, 428418, 428481, 428461, 428531, 428901, 428514, 428284, 428290, 428507, B32B 700

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045728593

ABSTRACT:
An electrical laminate comprising a plurality of fibrous cellulosic substrate layers and alternately interposed layers of cured epoxy or unsaturated polyester resin between the adjacent substrate layers, wherein each of the substrate layers is embedded in a matrix of said cured resin which is substantially integral with said layers of cured resin, and consists essentially of cellulosic fibers having thereon a coating of methylol group-containing resin such as aminoplast resins. The laminate may be unclad or cladded with a metal foil.

REFERENCES:
patent: 4201616 (1980-05-01), Chellis
patent: 4314002 (1982-02-01), Oizumi et al.
patent: 4336297 (1982-06-01), Fushiki et al.

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