Summary
Polypropylene-graft-polystyrene (PP-g-PS) was synthesized by the coupling reaction of brominated polypropylene produced by metallocene-catalyzed copolymerization of propylene with 11-bromo-1-undecene and polystyryl lithium salts made by living anionic polymerization, for the first time. These structures were confirmed by 1H NMR analysis. TEM micrographs of PP-g-PS copolymers indicated the nanometer level microphase-separation morphology between the polypropylene segment and the polystyrene segment. Obtained PP-g-PS copolymers could work as an effective compatibilizer for PP and PS.
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In this study, we adopted the ultimate viscosity to evaluate molecular weights of PP-g-PS copolymer because it’s difficult to measure molecular weights of the copolymer by GPC due to the detector.
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Kawahara, N., Saito, J., Matsuo, S. et al. New methodology for synthesizing polypropylene-graft-polystyrene (PP-g-PS) by coupling reaction with brominated polypropylene. Polym. Bull. 59, 177–183 (2007). https://doi.org/10.1007/s00289-007-0759-8
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DOI: https://doi.org/10.1007/s00289-007-0759-8