Electrical insulating composition comprising an epoxy resin, a p

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber

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174110SR, 174110E, 427 25, 427 26, 427120, 427358, 427375, 427379, B32B 1502, B32B 1508, H01B 336, H01B 340, H01B 342

Patent

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042775345

ABSTRACT:
An electrically insulating wire coating material comprises the reaction product of a mixture of polyvinyl acetal, phenol aldehyde resin and epoxy resin in a particular range of proportions. The mixture is formed into a powder for applying to a wire without the use of solvents, the coated wire being heated to harden the applied coating. The mixture can also be applied as a high solid enamel by the use of a small amount of solvent.

REFERENCES:
patent: Re25625 (1964-07-01), Been
patent: 3239598 (1966-03-01), Olson et al.
patent: 4215174 (1980-07-01), Flowers

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