Heat curable processable epoxy compositions

Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Coating or impregnating workpiece before molding or shaping...

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B29D 2300, B29C 2726

Patent

active

043293069

ABSTRACT:
Aromatic onium salts, such as diaryliodonium salts, have been found to be effective thermal initiators for the polymerization of epoxy resins having a viscosity of up to about 100,000 centipoises at 25.degree. C. when used in combination with copper salts. The processable epoxy resin composition can be used in filament winding and pultrusion applications.

REFERENCES:
patent: 3943020 (1976-03-01), Ashton
patent: 4173551 (1979-11-01), Crivello
patent: 4244765 (1981-01-01), Tokuno

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