New compounds presenting aldimine groups and oxazolidine, used especially as polyisocyanates curing agents

Compounds of Formula I: (CF DRAWING IN BOPI) IN WHICH M AND N ARE WHOLE NUMBERS 1A 3: R IS HYDROGEN, ARYL MAY BE SUBSTITUTED ARALKYL OR ALKYL 1A 12 CARBON optionally branched; R is hydrogen, aryl, aralkyl, alkyl of 1 to 12 CARBON OR aryloxymethyl alkoxymethyl; A IS ALKYL, CYCLOALKYL, ARALKYL OR ARYL, A (MN) VALENCES, MAY BE SUBSTITUTED FOR FUNCTIONAL GROUPS. THEREOF ARE OBTAINED BY REACTION OF FORMULA II A polyamine (NH) WITH MN A ePOXY FORMULA III R-CH --- CH, TO FORM A POLYAMINOALCOOL