High frequency electric field curing of polymeric composites

Details High frequency electric field curing of polymeric composites High frequency electric field curing of polymeric composites

1981-05-01

1983-12-27

Ziegler, J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

264 26, 523300, 524425, 524513, 524527, 525165, C08L 6706

Patent

active

044231911

ABSTRACT:
A method for curing a resinous composition comprising an admixture of a thermosetting resin and dielectrically lossy particles is described wherein the lossy particles have a dielectric constant substantially the same as the dielectric constant of the resin. The method comprises subjecting said admixture to a high frequency alternating electric field for sufficient time to heat the lossy particles and initiate the chemical reaction to cure the resin. Also described are shaped articles of manufacture made by curing resinous compositions in accord with the described method. Such articles have enhanced mechanical properties due to the curing process.

REFERENCES:
patent: 3816574 (1974-06-01), Heller, Jr. et al.
patent: 3972962 (1976-08-01), Williams et al.
patent: 4247577 (1981-01-01), Imada et al.

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