| http://www.w3.org/ns/prov#value | - A cationic catalyst for the homopolymerization of isoolefins and copolymerization of isoolefins and conjugated dienes, said cationic catalyst formed by the reaction comprising:(a) an organoaluminum having the formula AlR2 X wherein X is a halogen or hydrogen atom and R is the same or a different monovalent radical selected from the group consisting of C1 -C12 alkyl, phenyl, C7 -C14 aralkyl and C7
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