Oil and high temperature resistant insulating varnish made from

Details Oil and high temperature resistant insulating varnish made from Oil and high temperature resistant insulating varnish made from

1984-07-10

1985-08-06

Hayes, Lorenzo B.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

10628723, 10628734, 524404, 524411, 524413, 524493, C08G 7704

Patent

active

045337187

ABSTRACT:
A heat curable, storage stable, insulating varnish is made by heat reacting: (A) a methoxy functional diphenyl oxide resinous material, (B) a metal halide catalyst, and (C) silicon dioxide acting as a stabilizer, after which a suitable solvent can be added to provide a solids content of from about 25 wt. % to about 75 wt. %.

REFERENCES:
patent: 3269973 (1966-08-01), Doedens et al.
patent: 3323962 (1967-06-01), Sprengling et al.
patent: 3342873 (1967-09-01), Doedens et al.
patent: 3405091 (1968-10-01), Sprengling et al.
patent: 4154767 (1979-05-01), Plepys et al.
patent: 4188473 (1980-02-01), Nelson

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