Kannukaran Ponnusamy, Rajendran Prakash Babu and Raghavachari Dhamodharan Synthesis of block and graft copolymers of styrene by raft polymerization, using dodecyl-based trithiocarbonates as initiators and chain transfer agents Journal of Polymer Science Part A: Polymer Chemistry 51
A series of dodecyl-based monofunctional trithiocarbonate chain transfer agents (CTAs) are successfully synthesized toward the RAFT polymerization of styrene. The CTAs are used as initiators for RAFT polymerization, in the absence of the conventional free radical initiator, at higher temperature. Polystyrene of narrow PDI is synthesized. Subsequently, poly(styrene-b-benzyl methacrylate) diblock and poly(styrene-b-benzyl methacrylate-b-2-vinyl pyridine) triblock copolymers are synthesized from the polystyrene macro-RAFT agent by simply heating with the second and third monomer, respectively.
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