| http://www.w3.org/ns/prov#value | - mber; (b) a Lewis acid component of the formula MXn in which M is titanium, aluminum, boron, or tin, X is a halogen and n is a positive whle number; (c) an electron donor component having an electron donor number of from at least about 30 to no more than about 50; (d) a hydrocarbon olefinic monomer component; and (e) a solvent for said components, wherein there is a correlation between the polarit
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