Radio frequency cure of thermoset-receptor compositions

Coating processes – Direct application of electrical – magnetic – wave – or... – Pretreatment of substrate or post-treatment of coated substrate

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1562733, 1562739, 1562755, 1562757, 427 58, 4273881, 427391, 427393, 427387, B05D 302

Patent

active

051821346

ABSTRACT:
A method of forming a cured thermoset composition by applying radio signals having a frequency of about 1 to 100 MHz to a composition comprising a major portion of thermoset and a receptor, said receptor having a dissipation factor of about 0.1 or greater and a dielectric constant of at least 0.1 or greater, said receptor selected from the group consisting of alkali or alkaline earth metal sulfate salts, aluminum trihydrate, quaternary ammonium salts, phosphonate compounds, phosphate compounds, polystyrene sulfonate sodium salts or mixtures thereof, said method comprising the steps of:

REFERENCES:
patent: 3936412 (1976-02-01), Rocholl
patent: 4423191 (1983-12-01), Haven et al.

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