Mixed resinous esters of oil-modified alkyd resins and of partially-esterified epoxide resins

Claim 1

A COMPOSITION OF MATTER COMPRISING A RESINOUS ESTER (I) OF A VEGETABLE OIL-MODIFIED ALKYD RESIN (II) OF PHATALIC ANAHYDRIDE AND A SATURATED ALIPHATIC POLYVHYDRIC ALCOHOL HAVING AT LEAST THREE HYDROXYL GROUPS PER MOLECULE, AND RESIN (II) CONTAINING AT LEAST ONE YDROXYL GROUP FOR EACH CARBOXYLIC ACID GROUP THEREOF AND CONSISTING OF THE ELEMENTS CARBON, HYDROGEN AND OXYGEN, AND OF AN EPOXIDE RESIN (III), SAID PEROXIDE RESIN (III) COMPRISING PARTIALLY ESTERIFIED POLYMERIC POLYETHERS OF 4,4''-DIHYDROXYDIPHENYL-2,2-PROPANE AND A CHLORHYDRIN SELECTED FROM THE GROUP CONSISTING OF EPICHLORORHYDRIN AND GLYCERIN DICHLORHYDRIN, SAID EPOXIDE RESIN (III) CONTINING TERMINAL EPOXIDE GROUPS AND SECONDARY HYDROXYL GROUPS, AT LEAST FORTY PERCENT OF THE AVAILABLE EPOXIDE AND HYDROXYL GROUPS THEREOF BEING ESTERIFIED WITH AN ACID SELECTED FROM THE GROUP CONSISTING OF A VEGETABLE OIL FATTY, A ROSIN ACID AND MIXTURES OF SAID ACIDS; THE WEIGHT OF EPOIDE RESIN (III) PRIOR TO ESTERIFICATION WITH SAID VEGETABLE OIL BEING FROM ABOUT ONE PERCENT TO TWELVE PERCENT OF THE TOTAL RESIN SOLIDS.