Low-temperature expansion of liquid organic polysulfide polymer with hydrazine-type cmpounds and an oxidative curative

Claim 1

A METHOD OF MAKING AN EXPANDED, CURED RUBBER PRODUCT COMPRISING INCORPORATING INTO A LIQUID ORGANIC POLYSULFIDE POLYMER, WHICH IS A POLYALKYLENE POLYSULFIDE CONTAINING SULFHYDRYL GROUPS, AN OXIDATIVE CURATIVE FOR SAID POLYMER SELECTED FROM THE GROUP CONSISTING OF IODINE, LEAD DIOXIDE, TELLURIUM DIOXIDE, SODIUM PEROXIDE, POTASSIM PERSULFATE, HYDROGEN PERIOXDE, BENZOYL PEROXIDE, DICUMYL PRIOXIDE, CUMEN HYDROPEROXIDE, QUINONE DIOXIME, 2,4,6-TRINITROBENZENE, AND M-DINITROBENZENE, AND, AS A BLOWING AGENT, A HYDRAZINE COMPOUND SELECTED FROMTHE GROUP CONSISTING OF HYDROZINE, HYDRAZINIUM SALTS OF CARBOXYLIC ACIDS, HYDROCARBON-SUBSTITUTED HYDRODAZIINES, HYDROXY-ALKYL HYDRAZINES, HYDROCARBON-SUBSTITUTED HYDRAZINEIUM SALTS OF CARBOXYLIC ACIDS, ACYL HYDRAZINES, SULFONHYDRAZINES, SEMICARBAZIDES, SULFONYL SEMICARBAZIDES, CARBOHYDRAZIDE, AND HYDRAZINIUM CARBAZATE, AND SUBJECTING THE RESULTING MIXTURE TO A TEMPERATURE WITHIN THE RANGE OF FORM 10*C. TO 100*C. WHEREBY THE SAID HYDRAZINE-TYPE COMPOUND DECOMPOSES UNDER THE INFLUENCE OF THE SAID OXIDATIVE CURATIVE TO PRODUCE GASEOUS PRODUCTS CAPABLE OF EXPANDING SAID MIXTURE, AND THE COMPOSITION SIMULTANEOUSLY CURES TO PRODUCE AN EXPANDED, CURED RUBBER PRODUCT.

Claim 2

A METHOD OF MAKING AN EXPANDED, CURED RUBBER PRODUCT COMPRISING INCORPORATING INTO A LIQUID ORGANIC POLYSULFIDE POLYMER, WHICH IS A POLYALKYLENE POLYSULFIDE CONTAINING SULFHYDRYL GROUPS, AN OXIDATIVE CURATIVE FOR SAID POLYMER SELECTED FROM THE GROUP CONSISTING OF IODINE, LEAD DIOXIDE, TELLURIUM DIOXIDE, SODIUM PEROXIDE, POTASSIM PERSULFATE, HYDROGEN PERIOXDE, BENZOYL PEROXIDE, DICUMYL PRIOXIDE, CUMEN HYDROPEROXIDE, QUINONE DIOXIME, 2,4,6-TRINITROBENZENE, AND M-DINITROBENZENE, AND, AS A BLOWING AGENT, A HYDRAZINE COMPOUND SELECTED FROMTHE GROUP CONSISTING OF HYDROZINE, HYDRAZINIUM SALTS OF CARBOXYLIC ACIDS, HYDROCARBON-SUBSTITUTED HYDRODAZIINES, HYDROXY-ALKYL HYDRAZINES, HYDROCARBON-SUBSTITUTED HYDRAZINEIUM SALTS OF CARBOXYLIC ACIDS, ACYL HYDRAZINES, SULFONHYDRAZINES, SEMICARBAZIDES, SULFONYL SEMICARBAZIDES, CARBOHYDRAZIDE, AND HYDRAZINIUM CARBAZATE, AND SUBJECTING THE RESULTING MIXTURE TO A TEMPERATURE WITHIN THE RANGE OF FORM 10*C. TO 100*C. WHEREBY THE SAID HYDRAZINE-TYPE COMPOUND DECOMPOSES UNDER THE INFLUENCE OF THE SAID OXIDATIVE CURATIVE TO PRODUCE GASEOUS PRODUCTS CAPABLE OF EXPANDING SAID MIXTURE, AND THE COMPOSITION SIMULTANEOUSLY CURES TO PRODUCE AN EXPANDED, CURED RUBBER PRODUCT.