Heat radiating insulation for coil

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...

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428328, 428329, 428404, 428698, 428702, 428416, 428480, 4284735, 428514, 427116, 242 708, 336 82, 336234, B32B 516, B44D 1094, B44D 144

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046248846

ABSTRACT:
A thermosetting synthetic resin composition consisting mainly of, for example, an epoxy resin is melted at a temperature of 70.degree. to 130.degree. C. After adding a filler to the resin composition, the resultant mixture is kneaded and rapidly cooled. The composition consists of a thixotropy agent, a leveling agent, etc., in addition to the epoxy resin and a curing agent for the epoxy resin. Aluminum as the filler is added in the amount of 30 wt % to 100 wt % of the mixture. The mixture of the composition with the filler is kneaded and rapidly cooled and is then pulverized to prepare a powder. The powder coating thus obtained is coated on a coil and is cured to provide a heat radiating insulator.

REFERENCES:
patent: 3503797 (1970-03-01), Hagiwara et al.
patent: 3813294 (1979-05-01), Dyer et al.
patent: 4091164 (1978-05-01), Schwartz
patent: 4336301 (1982-06-01), Shaw
patent: 4345003 (1982-08-01), Matsushima et al.
patent: 4348343 (1982-09-01), Akerberg et al.
patent: 4356237 (1982-10-01), Sprengling et al.

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