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Polymers 2014, 6(3), 860-872; doi:10.3390/polym6030860

Living Radical Polymerization via Organic Superbase Catalysis

Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
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Received: 18 February 2014 / Revised: 8 March 2014 / Accepted: 12 March 2014 / Published: 17 March 2014
(This article belongs to the Special Issue Controlled/Living Radical Polymerization)
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Abstract

Organic superbases reacted with alkyl iodides (RI) to reversibly generate the corresponding alkyl radicals (R). Via this reaction, organic superbases were utilized as new and highly efficient organic catalysts in living radical polymerization. The superbase catalysts included guanidines, aminophosphines and phosphazenes. Low-polydispersity polymers (Mw/Mn = 1.1–1.4) were obtained up to high conversions (e.g., 80%) in reasonably short times (3–12 h) at mild temperatures (60–80 °C) for methyl methacrylate, styrene and several functional methacrylates. The high polymerization rate and good monomer versatility are attractive features of these superbase catalysts. View Full-Text
Keywords: organic superbases; organic catalysts; living radical polymerization; reversible complexation mediated polymerization; radical chemistry; alkyl iodide organic superbases; organic catalysts; living radical polymerization; reversible complexation mediated polymerization; radical chemistry; alkyl iodide
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Lei, L.; Tanishima, M.; Goto, A.; Kaji, H. Living Radical Polymerization via Organic Superbase Catalysis. Polymers 2014, 6, 860-872.

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