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Isotactic living PMMA

In recent years metallocene complexes have also been successfully used as polymerization catalysts for methyl methacrylate. Collins et al. and Soga et al. reported that cationic zirconocene complexes catalyse the polymerization of MMA [217-220]. But these metallocene complexes consisted of more components than the only metallocene complex. Hocker et al. investigated some novel single-component zirconocene complexes as catalysts for the stereospecific polymerization of MMA [221]. MMA was polymerized by the cationic bridged zirconocene complex [rPr(Cp)(Ind)Zr(Me)(THF)][BPh4] at temperatures between -20 and 20 °C. The polymerization led to mainly isotactic PMMA due to an enantiomorphic site mechanism and a low polydispersity index (1.12-2.33). Also it has been assumed that the polymerization mechanism is of living character. [Pg.269]

See other pages where Isotactic living PMMA is mentioned: [Pg.572]    [Pg.38]    [Pg.132]    [Pg.572]    [Pg.38]    [Pg.132]    [Pg.23]    [Pg.131]    [Pg.137]    [Pg.838]    [Pg.985]    [Pg.112]    [Pg.134]    [Pg.168]    [Pg.190]    [Pg.194]    [Pg.147]    [Pg.18]    [Pg.7]    [Pg.574]    [Pg.597]    [Pg.263]    [Pg.131]    [Pg.45]    [Pg.46]   
See also in sourсe #XX -- [ Pg.132 ]



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