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• W2161982869 endingPage "1903" @default.
• W2161982869 startingPage "1895" @default.
• W2161982869 abstract "ABSTRACT Silylium ions (“R 3 Si + ”) are found to catalyze both 1,4‐hydrosilylation of methyl methacrylate (MMA) with R 3 SiH to generate the silyl ketene acetal initiator in situ and subsequent living polymerization of MMA. The living characteristics of the MMA polymerization initiated by R 3 SiH (Et 3 SiH or Me 2 PhSiH) and catalyzed by [Et 3 Si(L)] + [B(C 6 F 5 ) 4 ] – (L = toluene), which have been revealed by four sets of experiments, enabled the synthesis of the polymers with well‐controlled M n values (identical or nearly identical to the calculated ones), narrow molecular weight distributions ( Đ = 1.05–1.09), and well defined chain structures {H[MMA] n H}. The polymerization is highly efficient too, with quantitative or near quantitative initiation efficiencies ( I * = 96–100%). Monitoring of the reaction of MMA + Me 2 PhSiH + [Et 3 Si(L)] + [B(C 6 F 5 ) 4 ] – (0.5 mol%) by 1 H NMR provided clear evidence for in situ generation of the corresponding SKA, Me 2 CC(OMe)OSiMe 2 Ph, via the proposed “Et 3 Si +” ‐catalyzed 1,4‐hydrosilylation of monomer through “frustrated Lewis pair” type activation of the hydrosilane in the form of the isolable silylium‐silane complex, [Et 3 SiHSiR 3 ] + [B(C 6 F 5 ) 4 ] – . © 2015 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2015 , 53 , 1895–1903" @default.
• W2161982869 created "2016-06-24" @default.
• W2161982869 creator A5012528203 @default.
• W2161982869 creator A5018137652 @default.
• W2161982869 date "2015-04-13" @default.
• W2161982869 modified "2023-10-06" @default.
• W2161982869 title "Silylium dual catalysis in living polymerization of methacrylates via <i>In situ</i> hydrosilylation of monomer" @default.
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• W2161982869 doi "https://doi.org/10.1002/pola.27641" @default.
• W2161982869 hasPublicationYear "2015" @default.
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