Pressure sensitive adhesive compositions comprising rubber and a resinous interpolymer

Claim 1

A COMPOSITION WHICH COMPRISES A RESINUOUS MATERIAL HAVING A SOFETENING POINT IN THE RANGE OF ABOUT 60*C TO ABOUT 110*C, CONSISTING ESSENTIALLY OF PIPERYLENE, 2-METHYL-2BUTENE, DICKYCLOPENETADIENE AND A-METHYL STYRENE IN AN ADMIXTURE WITH A POLYMERIC MATERIAL SELECTED FROM NATURAL RUBBER AND SYNTHETIC RUBBER HAVING A MOONEY VISCOSITY (ML-4) AT ABOUT 100*C OF ABOUT 45 TO ABOUT 65 WHERE SAID RESINUOUS MATEIAL COMPRISES FROM ABOUT 30 TO ABOUT 55 WEIGHT PERCENT UNITS DERIVED FROM PIPERYLENE, FROM ABOUT 20 TO ABOUT 45 WEIGHT PERCENT UNITS DERIVED FROM 2-METHYL-2-BUTENE, FROM ABOUT 15 TO ABOUT 30 WEIGHT PERCENT UNITS DERIVED FROM DICYCLOPENTDIENE AND FROM ABOUT 20 KTO ABOUT 35 WEIGHT PERCENT UNITS DERIVED FROM A-METHYL STYRENE PREPARED BY THE METHOD WHICH COMPRISES POLYMERIZING AT A TEMPERATURE IN THE RANGE OF ABOUT -20*C TO 50*C IN THE PRESENCE OF AN ANHYDROUS CATALYST SELECTED FROM ALUMINUM CHLORIDE AND ETHYL ALUMINUM DICHLORIDE AND A SOLVENT SELECTED FROM ALIPHATIC AND AROMATAIC HYDROCARBONS A MIXTURE WHICH COMPRISES FROM ABOUT 15 TO ABOUT 50 WEIGHT PERCENT PIPERYLENE, FROM ABOUT 15 TO ABOUT 50 WEIGHT PERCENT 2-METHYL-2-BUTENE, FROM ABOUT 15 TO ABOUT 40 WEIGHT PERCENT DICYCLOPENTADIENE AND FROM ABOUT 5 TO ABOUT 40 WEIGHT PERCENT DICYCLOPENTDIENE AND FROM ABOUT 5 TO RATIO OF PIPERYLENE TO 2-METHYL-2-BUTENE IS IN THE RANGE OF ABOUT 0.8:1 TO ABOUT 1.8:1.