Filled polyurethane foams and method for making same

Claim 1

AN ESSENTIALLY OPEN CELLED PLASTIC FOAM COMPOSITION COMPRISING THE WATER-FOAMED, TERTIARY AMINE CATALYZED POLYMERIZATION PRODUCT OF A LIQUID POLYURETHANE PREPOLYMER CONTAINING UNREACTED -NCO GROUPS WHICH IS THE REACTION PRODUCT OF AN ARYLENE DIISOCYANATE AND AT LEAST ONE LIQUID LONG CHAIN LINEAR POLYOL SELECTED FROM THE GROUP CONSISTING OF A POLYALKYLENE ETHER POLYOL HAVING AN EQUIVALENT WEIGHT OF AT LEAST 200, A SATURATED POLYESTER RESIN CONTAINING TERMINAL HYDROXYL GROUPS, WHICH IS THE REACTION PRODUCT OF A DIBASIC ACID AND A DIHYDRIC ALCOHOL, AND A FATTY ACID TRIGYLCERIDE HAVING A HYDROXYL NUMBER OF AT LEAST 49, AND UNIFORMLY DISTRIBUTED THEREIN FROM 10 PERCENT TO 40 PERCENT BY WEIGHT OF MINUS 325-MESH, TYLER STANDARD, PARTICLES OF A NORMALLY HYDROPHILLIC PIGMENT, SAID PIGMENT PARTICLES HAVING PREVIOUSLY BEEN UNIFORMLY COATED WITH FROM 1 PERCENT TO ABOUT 30 PERCENT BY WEIGHT OF AN ALKANOLAMINE SELECTED FROM THE GROUP CONSISTING OF ACETATE SALTS OF PRIMARY, SECONDARY AND TERTIARY ALKANOLAMINES HAVING FROM 1 TO 4 CARBON ATOMS IN EACH HYDROCARBON GROUP AND AT LEAST 2 CARBON ATOMS PER AMINE GROUP AND TERTIARY ALKANOLAMINES HAVING FROM 1 TO 4 CARBON ATOMS IN EACH HYDROCARBON GROUP.