Kinetic and Mechanistic Study of Copper Chloride-Mediated Atom Transfer Polymerization of Styrene in the Presence of N,N-Dimethylformamide

Kinetic and Mechanistic Study of Copper Chloride-Mediated Atom Transfer Polymerization of Styrene in the Presence of N,N-Dimethylformamide

The kinetics and mechanism of the atom transfer polymerization of styrene initiated with 1-phenylethyl chloride/CuCl/2,2‘-bipyridine have been investigated in homogeneous media in the presence of dimethylformamide at 130 °C. The results are in agreement with a fisrt-order dependence with respect to...

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Veröffentlicht in:Macromolecules 2001-08, Vol.34 (17), p.5752-5758
Hauptverfasser: Pascual, S, Coutin, B, Tardi, M, Polton, A, Vairon, J.-P, Chiarelli, R
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Sprache:eng
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Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polymerization
Preparation, kinetics, thermodynamics, mechanism and catalysts
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container_end_page 5758
container_issue 17
container_start_page 5752
container_title Macromolecules
container_volume 34
creator Pascual, S
Coutin, B
Tardi, M
Polton, A
Vairon, J.-P
Chiarelli, R
description The kinetics and mechanism of the atom transfer polymerization of styrene initiated with 1-phenylethyl chloride/CuCl/2,2‘-bipyridine have been investigated in homogeneous media in the presence of dimethylformamide at 130 °C. The results are in agreement with a fisrt-order dependence with respect to CuCl, but an apparent zero-order dependence with respect to the initiator has been observed, contrary to other reports in the literature. This order does not result from side reactions and has been accounted for by assuming a constant value of the [PECl]/[CuCl2] ratio in the range of concentrations investigated. The results do not allow to distinguish between the conventional first-order treatment and that taking into account the persistent radical effect.
doi_str_mv 10.1021/ma0102565
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subjects Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polymerization
Preparation, kinetics, thermodynamics, mechanism and catalysts
title Kinetic and Mechanistic Study of Copper Chloride-Mediated Atom Transfer Polymerization of Styrene in the Presence of N,N-Dimethylformamide
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