Hardening mixtures of epoxy resins and polyamide-like condensation products and the process of producing the same

Claim 1

A PROCESS FOR THE PREPARATION OF HARDENALBE MIXTURES OF EPOXY RESINS AND POLYAMINDE-LIKE CONDENSATION PRODUCTS SUITABLE FOR USE AS PLASTIC MATERIALS, LACQUERS. ADHESIVES AND THE LIKE, WHICH COMPRISES COMBINING (1) AN EPOXY RESIN PRODUCED BY ETHERIFICATION OF A MEMBER OF THE GROUP CONSISTING OF POLYHYDRIC MONO- AND POLYNUCLEAR PHENOLS WITH EPICHLORHYDRIN AN ALKALINE SOLUTION, SAID EPOXY RESIN HAVING AN EPOXY EQUIVALENT WEIGHT OF 225525, WITH (2) A POLYAMIDE-LIKE CONDENSATION PRODUCT FORAMED BY EPOXIDIZING AT LEAST ONE MEMBER OF THE GROUP CONSITING OF ETHYLENICALLY UNSATURATED VEGETABLE AND ANIMAL FAT ACIDS AND ESTERS THEREOF WITH A SATURATED ALIPHATIC MONOALCOHOL HAVING A BOILING POINT NOT ABOVE 200* C. AND MIXTURES THEREOF, THE HEATING WITH AN ALIPHATIC POLYAMINE SELECTED FROM THE GRAOUP CONSISTING OF PRIMARY AND SECONDARY POLYAMINES REPRESENTED BY THE FORMULA R-NH-CH2-CH2-NH2, WHERE R IS A MEMBER OF A GROUP CONSISTING OF H AND -(CH2CH2NH2) IN SUCH A RATIO THAT THE AMINO OR IMINO GROUPS PREDOMINATE OVER THE TOTAL NUMBER OF EPOXY, ESTER AND CARBOXYL GROUPS, FOR AT LEAST ONE HOUR AT ABOUT 180-200* C.