Curable compositions based on epoxide resins and polyester-trica

Details Curable compositions based on epoxide resins and polyester-trica Curable compositions based on epoxide resins and polyester-trica

1974-12-06

1976-02-10

Lieberman, Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 28P, 260 37EP, 260 40R, 260 75EP, 260824EP, 260836, 260837R, C08L 6300

Patent

active

039377512

ABSTRACT:
Curable epoxide resin mixtures based on adducts, containing epoxide groups, which are obtained by reaction of certain long-chain aliphatic polyesters with an excess of diepoxide compounds, and linear or slightly branched polyesters, containing carbocyclic or heterocyclic rings and possessing 3 or 4 terminal carboxyl groups, and having an average molecular weight of 600 - 6,000, 0.7 - 1.2 equivalents of carboxyl groups being present in the curable mixture per 1 equivalent of epoxide groups. Curing these epoxide resin mixtures gives flexible moulded materials which are distinguished by high tear propagation resistance.

REFERENCES:
patent: 3408421 (1968-10-01), Kurka
patent: 3576903 (1971-04-01), Groff
patent: 3739041 (1973-06-01), Schmid
patent: 3816365 (1974-06-01), Schmid

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