Process for the manufacture of epoxide resin foams

Details Process for the manufacture of epoxide resin foams Process for the manufacture of epoxide resin foams

1974-09-09

1976-03-02

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25R, C08G 5912, C08G 5920, C08J 902, C08J 930

Patent

active

039417255

ABSTRACT:
Epoxide resin foams are manufactured by curing a mixture which contains an epoxide resin, a blowing agent, a surface-active agent and the tetraglycidyl ester of cyclohexanone- or methylcyclohexanone-2,2,6,6-tetrapropionic acid, with a Lewis acid or an addition compound or complex compound of a Lewis acid. The foams obtained show a homogeneous pore structure and no tendency to crack formation, and are heat-stable and largely light-fast. They can be employed in sandwich constructions, as insulating materials against heat and cold, sound and mechanical impact, and in the electrical industry.

REFERENCES:
patent: 3282863 (1966-11-01), Carey et al.
patent: 3373121 (1968-03-01), Burgert et al.
patent: 3600337 (1971-08-01), Fischer et al.

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