Adhesive compositions from mixtures of chlorinated and hypochlorinated rubber

Claim 1

A COMPOSITION OF MATTER WHICH IS USEFUL IN THE UNITING OF RUBBER TO METALLIC SURFACES, THE SAID COMPOSITION CONSISTING ESSENTIALLY OF AN ADMIXTURE OF AT LEAST ONE COMPOUND USEFUL AS A RUBBER ANTIOXIDANT, CHLORINATED RUBBER HAVING A CHLORINE CONTENT OF ABOUT 65 TO 67 PER CENT BY WEIGHT, CARBON TETRACHLORIDE, A SOLVENT PHASE PREPARED BY MILLING A NATURAL RUBBER UNTIL THE RUBBER IS CHARACTERIZED BY A READING WITHIN THE RANGE FROM ABOUT 17 TO ABOUT 23 WHEN TESTED ON A MOONEY VISCOSIMETER USING THE LARGE ROTORAND TAKING THE READING AT 12 MINUTES WHEN OPERATING THE VISCOSIMETER AT 230* F., DISSOLVING THE MILLED RUBBER IN AT LEAST ONE SOLVENT SELECTED FROM THE GROUP CONSISTING OF BENZENE, TOLUENE AND THE XYLENES TO FORM A SOLUTION CONTAINING FROM ABOUT 3.5 TO ABOUT 15 PER CENT BY WEIGHT OF THE RUBBER, REACTING SUCH SOLUTION WITH AN AQUEOUS SOLUTION OF HYPOCHLOROUS ACID CONTAINING FROM ABOUT 25 TO 32 GRAMS PER LITER OF HYPOCHLOROUS ACID TO PROVIDE AN EMULSION IN WHICH THE SOLIDS PRESENT THEREIN HAVE A CHLORINE CONTENT WITHIN THE RANGE FROM ABOUT 15 TO ABOUT 17 PER CENT BY WEIGHT, BREAKING SAID EMULSION BY THE ADDITION THERETO OF AT LEAST ONE SALT SELECTED FROM THE GROUP CONSISTING OF ANHYDROUS CALCIUM CHLORIDE AND CALCIUM CHLORIDE DIHYDRATE AND SEPARATING THE PHASES FORMED UPON THE BREAKING OF SAID EMULSION, AND SUFFICIENT AMOUNT OF SAID SOLVENT AS IS REQUIRED TO FORM A FINAL COMPOSITION HAVING A VISCOSITY OF FROM ABOUT 50 TO ABOUT 130 CENTIPOISES AT 25* C. AND CONTAINING HYPOCHLORINATED RUBBER WITHIN THE RANGE FROM ABOUT 10.4 TO ABOUT 14.2 PER CENT, BASED UPON THE WEIGHT OF THE HYPOCHLORINATED RUBBER AND THE CHLORINATED RUBBER.