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Organostibine-Mediated Controlled/Living Radical Polymerization of Methyl Methacrylate and Styrene in Ionic Liquidsa

✍ Scribed by Guoyou Cui; Jun Li; Zhengping Liu; Junyan Dou

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
200 KB
Volume
211
Category
Article
ISSN
1022-1352

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✦ Synopsis

Abstract

Organostibine‐mediated controlled/living radical polymerization of MMA was successfully achieved in room temperature ionic liquids (RTILs) [bmim]Tf~2~N and [bmim]PF~6~. The ln([M]~0~/[M]) increased linearly with increasing reaction time. The number‐average molecular weights of PMMA increased linearly with conversion, and the polydispersity indices were less than 1.15 and narrower in RTILs than in bulk. The living characters of SBRP were further demonstrated by chain extension of PMMA and preparation of copolymer PMMA__‐b‐__PS in RTILs. Recycle and reuse of RTILs were efficient with well‐controlled PMMA produced in the recycled RTILs. SBRP of St in RTILs was also discussed. The polymerization could be controlled only at low St conversion due to the heterogeneous reaction.

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