Process for the production of foam plastics

Claim 1

A PROCESS FOR PRODUCING FOAM PLSTICS WHICH COMPRISES FORMING A MIXTURE COMPRISING (1) A MEMBER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE PLASTISOL AND A PLASTISOL OF A COPOLYMER OF VINYL CHLORIDE AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF VINYL ACETATE AND VINYLIDENE CHLORIDE, SAID COPOLYMER CONTAINING A PREDOMINANT PROPORTION OF VINYL CHLORIDE, (2) AN ALKALI METAL BOROHYDRIDE, AND (3) AN ORGANIC HYDROXY COMPOUND WHICH REACTS WITH ALKALI METAL BOROHYDRIDE TO FORM HYDROGEN AS A BYPRODUCT, SAID ORGANIC HYDROXY COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF HYDROCARBONS CONTAINING UP TO 12 CARBON ATOMS AND SUBSTITUTED WITH FROM 1 TO 3 HYDROXY GROUPS AND SUBSTITUTED HYDROCARBONS CONTAINING UP TO 12 CARBON ATOMS WHEREIN SAID SUBSTITUENTS INCLUDE FROM 1 TO 3 HYDROXY GROUPS AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF AMINO, FLUORO, CHLORO, ETHER RADICALS CONTAINING FROM 1 TO 9 CARBON ATOMS AND CARBOXYLIC, SULFONIC AND PHOSPHORIC ACID RADICALS AND ESTERS OF SAID ACID RADICALS WITH ALCOHOLS CONTAINING FROM 1 TO 9 CARBON ATOMS, AND HEATING RESULTANT FOAM MIXTURE TO GEL THE SAME.