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Co-oligomers and copolymers of styrene and methyl methacrylate have been prepared by free radical polymerisation in the presence of the chain transfer agent ethyl-a-(t-butanethiomethyl)acrylate. Chain transfer constants are not significantly influenced by the co-monomer composition and lie in the range 0.47–0.90. Bulk copolymer composition is independent of the amount of chain transfer agent in the...
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