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Design of initiators for living radical polymerization of methyl methacrylate mediated by ruthenium(II) complex

✍ Scribed by Tsuyoshi Ando; Masami Kamigaito; Mitsuo Sawamoto

Publisher: Elsevier Science
Year: 1997
Tongue: French
Weight: 676 KB
Volume: 53
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(97)00972-1

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✦ Synopsis

A series of initiators have been developed for living radical polymerization of methyl methacrylate (MMA) mediated by ruthenium(If) complexes [e.g., RuCI2(PPh3)3; Ph = C6H5]. These initiators include chloromethanes, ~-chloroesters, ct-chloroketones, and cc-bromoesters, among which CCI3COCH3, CHCI2COPh, and H(MMA)2-Br me the best to give polymers with conlrolled molecular weights and very narrow MWDs (Mw/Mn = 1.1-1.2). The wide variation of the initiators therefcxe demonsa, ates the generality ofonr transition metal-mediated living radical polyme~zations.

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