Aqueous dispersions of adhesive vinyl polymeric materials containing carboxylic acid ester additives

Claim 1

AQUEOUS DISPERSION YIELDING, AFTER EVAPORATION OF WATER THEREFROM, AN ADHESIVE MATERIAL WITH IMPROVED ADHESIVENESS, SAID AQUEOUS DISPERSIONS COMPRISING AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF MONOMERS OF VINYL ACETATE, VINYL PROPIONATE, VINYL BUTYRATE, VINYL ETHYL ETHER, VINYL ISOBUTYL ETHER, ACRYLIC ESTERS OF SATURATED ALIPHATIC MONOHYDRIC ALCOHOLS WITH 1 TO 8 CARBON ATOMS, METHACRYLIC ESTERS OF SATURATED ALIPHATIC MONOHYDRIC ALCOHOLS WITH 1 TO 8 CARBON ATOMS, COPOLYMERS OF SAID CONSISTING ESSENTIALLY OF SAID MONOMERS, COPOLYMERS OF SAID MONOMERS WITH UP TO 30 PERCENT, CALCULATED UPON THE TOTAL WEIGHT OF MONOMERS, OF VINYL CHLORIDE, AND COPOLYMERS OF SAID MONOMERS WITH UP TO 50 PERCENT, CALCULATED UPON THE TOTAL WEIGHT OF MONOMERS, OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF MALEIC ACID ESTERS AND FUMARIC ACID ESTERS OF SATURATED ALIPHATIC MONOHYDRIC ALCOHOLS WITH 1 TO 8 CARBON ATOMS; AND ABOUT 0.5 TO 5 PERCENT, CALCULATED ON THE WEIGHT OF POLYMER, OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF MONOESTERS OF SATURATED ALIPHATIC MONOHYDRIC ALCOHOLS CONTAINING 1 TO 8 CARBON ATOMS WITH MONOCARBOXYLIC OLEFINICALLY UNSATURATED ACIDS WITH UP TO 9 CARBON ATOMS, AND DIESTERS OF SATURATED ALIPHATIC MONOHYDRIC ALCOHOLS CONTAINING 1 TO 8 CARBON ATOMS WITH ALIPHATIC OLEFINICALLY UNSATURATED DICARBOXYLIC ACIDS WITH UP TO 5 CARBON ATOMS.