Flame retardant electrical laminate

Details Flame retardant electrical laminate Flame retardant electrical laminate

1988-07-28

1991-02-05

Sluby, P. C.

Stock material or miscellaneous articles

Composite

Of polyester

428503, 428530, 428921, 428436, 428430, B32B 2710, B32B 1508

Patent

active

049904094

ABSTRACT:
A flame retardant electrical laminate prepared by impregnating a base material with a halogen-containing unsaturated polyester resin which is prepared by dissolving a halogen-containing unsaturated polyester into a polymerizable monomer; and then curing the halogen-containing unsaturated polyester resin; wherein the halogen-containing unsaturated polyester has a molecular weight per 1 mole of unsaturated group of 350 to 1,000, and the cured halogen-containing unsaturated polyester resin has a glass transition temperature of 30.degree. to 90.degree. C.
Such electrical laminates not only have excellent flame redardancy but also excellent puching quality at wide temperature range including room temperature.

REFERENCES:
patent: 4521491 (1985-06-01), Oizumi et al.

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