Process for preparing wax extended polyurethane foams

Claim 1

A PROCESS FOR THE PRODUCTION OF A WAX EXTENDED POLYURETHANE FOAM COMPRISING THE STEPS OF (I) FORMING A PART COMPONENT COMPRISING (A) A POLYOL CONTAINING ACTIVE HYDROGEN AND HAVIN A MOLECULAR WEIGHT RANGING FROM ABOUT 500 TO ABOUT 10,000 AND (B) FROM 5 TO 50 WT. PERCENT BASED ON THE TOTAL FOAM INGREDIENTS OF A BLEND OF (1) A WAX DERIVED FROM PETROLEUM PROCESSING HAVING A MELTING POINT IN THE RANGE OF FROM 100*F. TO 150*F., (2) A WAXY FATTY ORGANIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF HIGH MOLECULAR WEIGHT ORGANIC FATTY ACIDS, FATTY ALCOHOLS AND FATTY ESTERS CONTAINING 10 TO 40 CARBON ATOMS AND (3) A NON-IONIC EMULSIFER FOR (1) AND (2), (II) FORMING A SECOND COMPONENT CONTAINING AN AROMATIC DIISOCYANATE, A TERTIARY AMINE CATALYST AND AN EMULSIFIER FOR POLYURETHANE FOAMS, (III) MIXING THE FIRST AND SECOND COMPONENTS TOGETHER IN THE PRESENCE OF A LIQUEFIED HALOHYDROCARBON BLOWING AGENT AND (IV) FOAMING THE MIXTURE AT A TEMPERATURE IN THE RANGE OF 40*F. TO 200*F.