Summary
The synthesis of a well-defined near-monodisperse polyisoprene-graft-polystyrene copomymer having a single, centrally located graft site is described. The method utilized to prepare this structure involved capping “living” polystyryllithium anions by reaction with methyltriclorosilanne, followed by addition of a slight stoichiometric excess of polyisoprenyllithium. After linking, the residual polyisoprene arms were removed by fractionation to yield the pure graft copolymer.
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Mays, J.W. Synthesis of “simple graft” poly(isoprene-g-styrene) by anionic polymerization. Polymer Bulletin 23, 247–250 (1990). https://doi.org/10.1007/BF01032437
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DOI: https://doi.org/10.1007/BF01032437