Vinyl plastisols having polycarboxyl containing polyesters as plasticizers

Claim 1

A PLASTISOL COMPOSITION COMPRISING A VINYL ADDITION POLYMER CAPABLE OF FORMING A PLASTISOL, A CURING AGENT AND BETWEEN ABOUT 30 AND ABOUT 85 WEIGHT PERCENT OF A SUBSTANTIALLY COMPLETELY CONDENSED POLYMERIC POLYESTER OF POLYHYDRIC ALCOHOL REACTANT, AND AN ACIDIC REACTANT SELECTED FROM THE GROUP CONSISTING OF POLYCARBOXYLIC ACIDS AND POLYCARBOXYLIC ANHYDRIDES, AT LEAST ONE OF SAID REACTANTS HAVING AT LEAST THREE FUNCTIONAL GROUPS SELECTED FROM THE GROUP CONSISTING OF CARBOXYL GROUP, CARBOXYLIC ANHYDRIDE GROUP AND HYDROXL GROUP, SAID POLYESTER BEING LIQUID OR LIQUEFIABLE AT A TEMPERATURE OF ABOUT 25 TO ABOUT 50*C., HAVING AN ACID CONTENT IN THE RANGE OF ABOUT 0.25 TO ABOUT 1.5 MILLI-EQUIVALENTS PER GRAM, HAVING A MOLECULAR WEIGHT NOT HIGHER THAN ABOUT 10,000 CONTAINING AN AVERAGE OF MORE THAN 2.5 CARBOXYL GROUPS PER MOLECULE AND NOT MORE THAN ABOUT 15 CARBOXYL GROUPS PERMOLECULE AND BEING FREE FROM HYDROXYL GROUPS.