Coating powder

Details Coating powder Coating powder

1985-02-05

1986-04-08

Jacobs, Lewis T.

Stock material or miscellaneous articles

Composite

Of epoxy ether

427185, 427386, 428416, 523443, 523454, 523466, C08K 334, B32B 2738

Patent

active

045812934

ABSTRACT:
Disclosed is an epoxy rubber made by reacting about 5 to about 50% of an epoxy terminated acrylonitrilebutadiene copolymer with about 50 to about 95% of a solid epoxy resin. A coating powder is prepared with about 30 to about 70% of a solid epoxy resin, about 2 to about 25% of the epoxy rubber, about 5 to about 25% of an anhydride curing agent, about 5 to about 40% mica filler, and about 10 to about 50% glass fiber. Electrical apparatus, such as coils made of served wire, can be coated with the powder by heating the apparatus above the melting point of the powder and dipping it in the fluidized powder, followed by curing the melted powder on the apparatus.

REFERENCES:
patent: 2888541 (1959-05-01), Netzer
patent: 2997776 (1961-08-01), Matter et al.
patent: 3316195 (1967-04-01), Grosner et al.
patent: 3655818 (1972-04-01), McKown
patent: 3894113 (1975-07-01), Pagel
patent: 4040993 (1977-08-01), Elbling et al.
patent: 4476285 (1984-10-01), Crabtree et al.

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