Volume 23, Issue 7 pp. 417-422
Communication

Thick Coating and Functionalization of Organic Surfaces via ATRP in Water

Debora Bontempo

Debora Bontempo

Dipartimento di Chimica, Università La Sapienza, P.le A. Moro 5, 00185 Roma, Italy

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Nicola TirelliGiancarlo Masci

Giancarlo Masci

Dipartimento di Chimica, Università La Sapienza, P.le A. Moro 5, 00185 Roma, Italy

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Vittorio Crescenzi

Vittorio Crescenzi

Dipartimento di Chimica, Università La Sapienza, P.le A. Moro 5, 00185 Roma, Italy

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Joffrey A. Hubbell

Joffrey A. Hubbell

Institute of Biomedical Engineering, Department of Materials, ETH Zürich, Moussonstrasse 18, CH-8044 Zürich, Switzerland; Fax: +41 1 632 12 14

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Abstract

Atom-transfer radical polymerization has been used for polymerizing water-soluble monomers from solid polymeric particles, intended as a model for any polymeric functional surface. Depending on the polarity of substrate and solvent, homogeneous initiation throughout the particles or pure surface initiation could be obtained. In the last case, polymer layers were obtained with thicknesses up to several tens of microns, still active for block copolymerization.

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