Polyurethanes from polyesters containing monocarboxylic acids

Claim 1

A POLYURETHANE RESIN PREPARED BY A PROCESS WHICH COMPRISES REACTING AN ORGANIX POLYISOCYANATE AND A HYDROXYL-CONTAINING POLYESTER PREPARED BY REACTING AT A TEMPERATURE BETWEEN 130* AND 270*C. (1) AN ALIPHATIC POLYOL CONTAINING FROM 3 TO 5 HYDROXYL GROUPS AND FROM 3 TO 12 CARBON ATOMS, (2) A POLYCARBOXYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF AROMATIC DICARBOXYLIC ACIDS AND DICARBOXYLIC ACID ANHYDRIDES CONTAINING FROM 8 TO 12 CARBON ATOMS AND WEHREIN THE TWO CARBOXYL GROUPS ARE ATTACHED DIRECTLY TO THE AROMATIC RING AND (3) GLYCIDYL ESTERS OF MIXED SATURATED ALPHA-ALKYL MONOCARBOXYLIC ACIDS PREPARED BY REACTING EPICHLOROHYDRIN WITH SAID MONOCARVOXYLIC ACIDS AND WHEREIN SAID MONOCARBOXYLIC ACIDS CONTAIN FROM 9 TO 11 CARBON ATOMS AND ARE PREPARED BY REACTING MONOOLEFINS CONTAINING FROM 8 TO 10 CARBON ATOMS WITH CARBON MONOXIDE AND WATER IN THE PRESENCE OF LIQUID ACID CATALYSTS, AND THE ISOCYANATO TO HYDROXYL RATIO OF THE POLYISOCYANATE AND POLYESTER REACTANTS BEING BETWEEN 0.8 AND 1.3.