Manufacture of foamed latex sponge reinforced with 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 AERATED 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 MATERIAL SELECTED FROM THE GROUP CONSISTING OF CATIONIC AND NON-IONIC SURFACE-ACTIVE AGENTS PER 100 PARTS OF GLASS FIBERS, SAID AQUEOUS SLURRY BEING A THREE PHASE SYSTEM OF WATER AND SOLIDS AND AIR HAVING A WET DENSITY OF 0.2 TO 0.8 GRAM PER CUBIC CENTIMETER, 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 ANY 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 AN ORGANIC RADICAL CONTAINING AT LEAST ONE GROUP HAVING MORE THAN 8 CARBON ATOMS, SAID CATIONIC SURFACEACTIVE 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, AND SAID NON-IONIC SURFCE-ACTIVE AGENT BEING SELECTED FROM THE GROUP CONSISTING OF (1) MONOETHERS OF POLYGLYCOLS WITH LONG CHAIN FATTY ALCOHOLS, (2) MONOESTERS OF POLYGLYCOLS WITH LONG CHAIN FATTY ACIDS, (3) MONOETHERS OF POLYGLYCOLS WITH ALKYLATED PHENOLS, (4) PARTIAL ESTERS OF POLYHYDRIC ALCOHOLS WITH LONG CHAIN MONOCARBOXYLIC ACIDS, AND (5) PARTIAL AND COMPLETE ESTERS OF LONG CHAIN MONOCARBOXYLIC ACIDS WITH POLYGLYCOL ETHERS OF POLYHDRIC ALCOHOLS.

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 AERATED 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 MATERIAL SELECTED FROM THE GROUP CONSISTING OF CATIONIC AND NON-IONIC SURFACE-ACTIVE AGENTS PER 100 PARTS OF GLASS FIBERS, SAID AQUEOUS SLURRY BEING A THREE PHASE SYSTEM OF WATER AND SOLIDS AND AIR HAVING A WET DENSITY OF 0.2 TO 0.8 GRAM PER CUBIC CENTIMETER, 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 ANY 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 AN ORGANIC RADICAL CONTAINING AT LEAST ONE GROUP HAVING MORE THAN 8 CARBON ATOMS, SAID CATIONIC SURFACEACTIVE 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, AND SAID NON-IONIC SURFCE-ACTIVE AGENT BEING SELECTED FROM THE GROUP CONSISTING OF (1) MONOETHERS OF POLYGLYCOLS WITH LONG CHAIN FATTY ALCOHOLS, (2) MONOESTERS OF POLYGLYCOLS WITH LONG CHAIN FATTY ACIDS, (3) MONOETHERS OF POLYGLYCOLS WITH ALKYLATED PHENOLS, (4) PARTIAL ESTERS OF POLYHYDRIC ALCOHOLS WITH LONG CHAIN MONOCARBOXYLIC ACIDS, AND (5) PARTIAL AND COMPLETE ESTERS OF LONG CHAIN MONOCARBOXYLIC ACIDS WITH POLYGLYCOL ETHERS OF POLYHDRIC ALCOHOLS.