Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1989-11-01
1991-10-15
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523461, 524236, C08K 517
Patent
active
050575546
ABSTRACT:
A heat curable resin composition consists essentially of a thermosetting resin, a curing agent chemically reacting with the resin for curing the resin upon the application of a predetermined amount of heat for a predetermined period of time, and a chemically inert salt which is soluble in the resin for increasing the dielectric loss factor of the composition without a significant increase in viscosity of the composition to accelerate the dielectric heating rate.
A method of preparing the heat curable resin composition includes the steps of mixing the thermosetting resin and curing agent which chemically reacts with the resin for curing the resin upon the application of a predetermined amount of heat for a predetermined period of time and dissolving a chemically inert salt in the resin and increasing the dielectric loss factor of the composition without a significant increase in viscosity of the composition. The composition is dielectrically heated at an accelerated rate which is faster than the rate of heating the mixture of the resin and curing agent alone.
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General Motors Corporation
Hellender Karen A.
Jacobs Lewis T.
Tung R. W.
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