Thermosetting resin composition, electrically insulated coil, el

Details Thermosetting resin composition, electrically insulated coil, el Thermosetting resin composition, electrically insulated coil, el

1997-05-30

1999-11-09

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, H02K 330

Patent

active

059820560

ABSTRACT:
A highly thermal-conductive and thermal-resistant electrically insulated coil with less outflow of a thermosetting resin composition can be produced, to provide a small-scale, light-weight rotating machine with high power. The thermosetting resin composition comprises (a) a polyfunctional epoxy resin containing three or more p-(2,3-epoxypropoxy) phenyl groups and a group represented by the Chemical formula 1; or an epoxy resin with a naphthalene backbone, represented by the Chemical formula 3, 4 or 5 or an epoxy resin with an anthracene backbone, such as diglycidyl ether of anthracene diol and triglycidyl ether of anthracene triol; (b) a bifunctional epoxy resin containing two p-(2,3-epoxypropoxy) phenyl groups; (c) an acid anhydride curing agent; and (d) a metal acetonate curing catalyst represented by the Chemical formula 2 at 0.1 to 5 parts by weight per 100 parts by weight of the epoxy resins.

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