Electrically insulating prepreg

Details Electrically insulating prepreg Electrically insulating prepreg

1974-04-09

1976-09-28

Smith, Ronald H.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

260 7841, 427386, 427390, 427391, 427392, 428290, 428324, 428413, 428417, 428454, B32B 700, B32B 1702

Patent

active

039832899

ABSTRACT:
An electrically insulating prepreg which comprises a resin composition of an alicyclic epoxy compound prepared by the expoxidation of an alkadiene alcohol ester of an alicyclic polybasic carboxylic acid, a latent curing agent, and a solid substrate, wherein said resin composition, once it has been applied to the substrate, is in the B-stage cured state and is thereby acetone soluble, thermoplastic and nontacky.

REFERENCES:
patent: 3218370 (1965-11-01), Fry et al.
patent: 3305417 (1967-02-01), Christie
patent: 3476693 (1969-11-01), Mango et al.
patent: 3493414 (1970-02-01), Hastings
patent: 3557035 (1971-01-01), Schmid et al.
patent: 3565861 (1971-02-01), White et al.
patent: 3632427 (1972-01-01), Green
patent: 3728306 (1973-04-01), Markovitz et al.
patent: 3790532 (1974-02-01), Fukutani et al.

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