Abstract
α-Benzyl-ω-vinylbenzyl polystyrene macromonomers of different molecular weights were prepared by the living anionic polymerization of styrene with n-BuLi/tetramethyl-ethylenediamine/toluene ligand complex as an initiator followed by termination with vinylbenzyl chloride. Characterization of the end group of the macromonomer by 1H NMR showed quantitative introduction of the α- and ω-end groups. Anionic polymerization of the macromonomer with s-BuLi provided poly(macromonomer)s of a narrow molecular weight distribution. The central backbone as well as the branch chain ends of the obtained poly(macromonomer)s have similar chemical structure to that of the constitutional repeating unit of the polystyrene chain and there is no unlike unit in the polymer structure. Thus, the macromonomer can provide useful model branched polystyrene of the regular structure.
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Tsukahara, Y., Inoue, J., Ohta, Y. et al. Preparation and Characterization of α-Benzyl-ω-vinylbenzyl Polystyrene Macromonomer. Polym J 26, 1013–1018 (1994). https://doi.org/10.1295/polymj.26.1013
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DOI: https://doi.org/10.1295/polymj.26.1013
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