Manufacture of foamed latex sponge containing glass fibers

Claim 1

THE METHOD OF MAKING FOAMED LATEX SPONGE WHICH COMPRISES FORMING INTO A FOAM A RUBBER LATEX CONTAINING 0.5 TO 10 PARTS OF ANIONIC SURFACE-ACTIVE AGENT PER 100 PARTS OF RUBBER OF THE LATEX AND AN AQUEOUS SLURRY OF UNIFORMLY DISPERSED DISCRETE GLASS FIBERS HAVING A LENGTH FROM 1/32 INCH TO 1/2 INCH, SAID SLURRY CONTAINING 0.2 TO 10 PARTS OF CATIONIC SURFACE-ACTIVE AGENT PER 100 PARTS OF GLASS FIBERS, THE AMOUNT OF GLASS FIBERS BEING 1 TO 20 PARTS PER 100 PARTS OF RUBBER OF THE LATEX, THE AMOUNT OF ANIONIC SURFACE-ACTIVE AGENT IN THE LATEX BEING IN EXCESS OF THE CATIONIC SURFACE-ACTIVE AGENT IN THE GLASS FIBER SLURRY WHEREBY THE MIXTURE OF LATEX AND GLASS FIBER SLURRY IN THE FOAM IS AN ANIONIC DISPERSION, SHAPING THE FOAM, AND GELLING AND VULCANIZING TO FORM SPONGE RUBBER, SAID ANIONIC SURFACE-ACTIVE AGENT HAVING A GENERAL FORMULA SELECTED FROM THE GROUP CONSISTING OF R-COOM, R-SO3M, AND R-OSO3M, WHERE M REPRESENTS A RADICAL SELECTED FROM THE GROUP CONSISTING OF ALKALI-METAL, AMMONIUM AND AMINE RADICALS AND R REPRESENTS AND ORGANIC RADICAL CONTAINING AT LEAST ONE GROUP HAVING MORE THAN 8 CARBON ATOMS, AND SAID CATIONIC SURFACE-ACTIVE AGENT BEING SELECTED FROM THE GROUP CONSISTING OF (1) QUATERNARY AMMONIUM SALTS IN WHICH ONE OF THE RADICALS ATTACHED TO THE NITROGEN HAS AN ORGANIC GROUP HAVING AT LEAST 8 CARBON ATOMS AND (2) AMINES, AMIDES AND DIAMINES HAVING AN ORGANIC GROUP CONTAINING AT LEAST 8 CARBON ATOMS AND THEIR ACID SALTS.

Claim 2

THE METHOD OF MAKING FOAMED LATEX SPONGE WHICH COMPRISES FORMING INTO A FOAM A RUBBER LATEX CONTAINING 0.5 TO 10 PARTS OF ANIONIC SURFACE-ACTIVE AGENT PER 100 PARTS OF RUBBER OF THE LATEX AND AN AQUEOUS SLURRY OF UNIFORMLY DISPERSED DISCRETE GLASS FIBERS HAVING A LENGTH FROM 1/32 INCH TO 1/2 INCH, SAID SLURRY CONTAINING 0.2 TO 10 PARTS OF CATIONIC SURFACE-ACTIVE AGENT PER 100 PARTS OF GLASS FIBERS, THE AMOUNT OF GLASS FIBERS BEING 1 TO 20 PARTS PER 100 PARTS OF RUBBER OF THE LATEX, THE AMOUNT OF ANIONIC SURFACE-ACTIVE AGENT IN THE LATEX BEING IN EXCESS OF THE CATIONIC SURFACE-ACTIVE AGENT IN THE GLASS FIBER SLURRY WHEREBY THE MIXTURE OF LATEX AND GLASS FIBER SLURRY IN THE FOAM IS AN ANIONIC DISPERSION, SHAPING THE FOAM, AND GELLING AND VULCANIZING TO FORM SPONGE RUBBER, SAID ANIONIC SURFACE-ACTIVE AGENT HAVING A GENERAL FORMULA SELECTED FROM THE GROUP CONSISTING OF R-COOM, R-SO3M, AND R-OSO3M, WHERE M REPRESENTS A RADICAL SELECTED FROM THE GROUP CONSISTING OF ALKALI-METAL, AMMONIUM AND AMINE RADICALS AND R REPRESENTS AND ORGANIC RADICAL CONTAINING AT LEAST ONE GROUP HAVING MORE THAN 8 CARBON ATOMS, AND SAID CATIONIC SURFACE-ACTIVE AGENT BEING SELECTED FROM THE GROUP CONSISTING OF (1) QUATERNARY AMMONIUM SALTS IN WHICH ONE OF THE RADICALS ATTACHED TO THE NITROGEN HAS AN ORGANIC GROUP HAVING AT LEAST 8 CARBON ATOMS AND (2) AMINES, AMIDES AND DIAMINES HAVING AN ORGANIC GROUP CONTAINING AT LEAST 8 CARBON ATOMS AND THEIR ACID SALTS.