Adhesives containing chlorinated natural rubber, hypochlorinated natural rubber and wax

Claim 1

AN ADHESIVE COMPOSITION WHICH IS USEFUL IN THE UNITING OF RUBBER TO METAL SURFACES CONSISTING ESSENTIALLY OF AN ADMIXTURE OF AT LEAST ONE COMPOUND USEFUL AS A RUBBER ANTIOXIDANT; CHLORINATED NATURAL RUBBER HAVING A CHLORINE CONTENT OF ABOUT 65% TO ABOUT 67% BY WEIGHT; CARBON TETRACHLORIDE; A WATER-INSOLUBLE HYDROCARBON WAX; 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 ROTOR AND 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 XYLENES TO FORM A SOLUTION CONTAINING FROM ABOUT 3.5% TO ABOUT 15% BY WEIGHT OF THE RUBBER, REACTING WITH SOLUTION WITH AN AQUEOUS SOLUTION OF HYPOCHLOROUS ACID CONTAINING FROM ABOUT 25 TO ABOUT 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% BY WEIGHT, BREAKING SAID EMULSION BY THE ADDIGION 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 REREQUIRED TO FORM A FINAL COMPOSITION HAVING A VISCOSITY OF FROM ABOUT 50 TO ABOUT 130 CENTIPOISES AT 25*C. AND CONTAINING HYPOCHLORINATED NATURAL RUBBER WITHIN THE RANGE FROM ABOUT 10.4% TO ABOUT 14.2% BASED UPON THE WEIGHT OF THE HYPOCHLORINATED NATURAL RUBBER AND THE CHLORINATED NATURAL RUBBER; SAID WAX CONSTITUTING ABOUT 5% BY WEIGHT OF THE ADHESIVE COMPOSITION BASED UPON THE WEIGHT OF THE SOLIDS PRESENT THEREIN.