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Branched polystyrene was first obtained via a reversible addition-fragmentation chain transfer (RAFT) process in the presence of chain transfer monomer p-vinyl benzene sulfonyl chloride (VBSC) in benzene at 60 °C with 2-(ethoxycarbonyl)prop-2-yl dithiobenzoate as the RAFT agent and 2,2-azobisisobutyronitrile as an initiator. During the RAFT polymerization, VBSC played the role of branching agent....
The free radical polymerization of styrene was carried out in the presence of a new found chain transfer monomer, p-vinyl benzene sulfonyl chloride (VBSC), which possesses both a chain transfer group and a polymerizable double bond. Branched polystyrene was formed during the polymerization, as indicated by multi-peaks gel permeation chromatography (GPC) curves of the products, the increase in the...
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