| http://www.w3.org/ns/prov#value | - Thus, solutions of the precursor para- methylstyrene/isobutene copolymer intermediates of this invention in hydrocarbon solvents such as pentane, hexane or heptane can be selectively brominated using light, heat or selected radical initiators (according to conditions, i.e., a particular radical initiator must be selected which has an appropriate half-life for the particular temperature conditions
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