Amino-amide reaction products of hydroxyacids, epoxy compounds and polyamines

Claim 1

AN AMINO-AMIDE, WHICH IS OBTAINED BY REACTING WITHOUT EXTERNAL HEATING A HYDROXY COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC MONOCARBOXYLIC ACIDS HAVING 1 TO 2 ALCOHOLIC HYDROXYL GROUPS AND 12 TO 18 CARBON ATOMS, AND ESTERS OF ALIPHATIC MONOCARBOXYLIC ACIDS HAVING 1 TO 2 ALCOHOLIC HYDROXYL GROUPS AND 12 TO 18 CARBON ATOMS, WITH A SATURATED ALIPHATIC ALCOHOL HAV-I ING 1 TO 3 HYDROXYL GROUPS AND 1 TO 6 CARBON ATOMS, IN A FIRST STAGE IN THE PRESENCE OF A LEWIS ACID WITH A 1,2EPOXY COMPOUND IN WHICH FIRST REACTION STAGE THE ALCOHOLIC HYDROXYL GROUP(S) OF THE SAID HYDROXY COMPOUND ARE ETHERIFIED, AND BY HEATING THE RESULTING ETHERFIED PRODUCT IN A SECOND STAGE WITH A SATURATED ALIPHATIC DIPRIMARY POLYAMINE HAVING AT LEAST 2 PRIMARY AMINO GROUPS, IN WHICH SECOND REACTION STAGE THE GROUP SELECTED FROM THE CLASS CONSISTING OF CARBOXYL GROUP AND CARBOXYLIC ACID ESTER GROUP IS CONVERTED INTO A CARBOXYLIC ACID AMIDE GROUP AT A TEMPERATURE SUFFICIENT TO ELIMIATE A COMPOUND SELECTED FROM THE GROUP CONSISTING OF WATER AND ALPHATIC SATURATED ALCOHOL HAVING 1 TO 3 HYDROXYL GROUPS AND 1 TO 6 CARBON ATOMS.