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Atom transfer radical polymerization of styrene catalyzed by copper carboxylate complexes

✍ Scribed by Krzysztof Matyjaszewski; Mingli Wei; Jianhui Xia; Scott G. Gaynor

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 388 KB
Volume: 199
Category: Article
ISSN: 1022-1352
DOI: 10.1002/(sici)1521-3935(19981001)199:10<2289::aid-macp2289>3.0.co;2-a

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✦ Synopsis

The atom transfer radical polymerization (ATRP) of styrene has been studied using complexes of copper carboxylates. Compared with systems employing copper halides as the catalyst, the use of copper carboxylates resulted in faster polymerization rates and higher polydispersities. A ligand (dNbpy) to Cu(1) carboxylate ratio of 1 was sufficient to achieve the maximum rate of polymerization. The addition of a small amount of either Cu(I1) or Cu(1) halide to the copper carboxylate system yielded polymers with better controlled molecular weights and lower polydispersities yet the polymerization still remained relatively fast.

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