Epoxy resin compositions

Details Epoxy resin compositions Epoxy resin compositions

1973-08-13

1978-05-30

Pertilla, Theodore E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 2EP, 260 2EC, 260 25EP, 260 292EP, 260 47EC, 260 47EQ, 260 59EP, 260830TW, C08L 6300, C08G 5968

Patent

active

040922960

ABSTRACT:
Curable epoxy resin compositions are disclosed comprising an epoxy resin based on epichlorohydrin and a dihydric phenol having combined therewith a metallic fluoborate salt, said composition being free from a strong acid or the hydrolyzable ester thereof. Fluoborate salts in aqueous solution are used as a curing agent and these salts are shown in combination with a surfactant or a polyalcohol. The resulting epoxy resin composition may be made autocatalytic. Epoxy foam formulations and fire retardant epoxy formulations are described. Fluoborate salts set forth include the salts of tin, copper, zinc, nickel, lead and silver. The use of adducted combinations of these salts is also shown.

REFERENCES:
patent: 3004931 (1961-10-01), Brueschweiler et al.
patent: 3379653 (1968-04-01), Pfeffingen et al.
patent: 3432440 (1969-03-01), Shimp et al.

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