Water-tolerant, heat-convertible, heat-and steam-setting resins for use in inks

Claim 1

THE METHOD FOR THE PREPARATION OF A WATERTOLERANT, HEAT-CONVERTIBLE COMPOSITION OF MATTER WHICH COMPRISES HEATING GLYCEROL ALPHA-MONOCHLOROHYDRIN AND AN ALKALI METAL SALT OF A DIELSALDER ADDITON PRODUCT OF ROSIN AND AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF FUMARIC ACID, MALEIC ACID AND MALEIC ANHYDRIDE, AT A TEMPERATURE WITHIN THE RANGE OF 120*-160* C., THE SAID SALT BEING PREPARED BY NEUTRALIZING SAID ADDITON PRODUCT WITH AT LEAST ONE-HALF THE EQUIVALENT AMOUNT OF ALKALI METAL BASE, BASED ON THE ACID NUMBER OF SAID ADDITION PRODUCT, THE GLYCEROL ALPHA-MONOCHLOROHYDRIN BEING USED IN AN AMOUNT EQUIVALENT TO THE ALKALI METAL BASE, THE HEATING BEING EFFECTED WITH THE REACTANTS IN SOLUTION IN AT LEAST ONE SOLVENT SELECTED FROM THE GROUP CONSISTING OF SATURATED ALIPHATIC MONOHYDRIC ALCOHOLS AND GLYCOLS, SAID SOLVENT BEING COMPLETELY MISCIBLE WITH WATER AT ROOM TEMPERATURE.