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Issue 5, 2013
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Thermophoresis of thermoresponsive polystyrene–poly(N-isopropylacrylamide) core–shell particles

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Abstract

We have investigated diffusion and thermodiffusion of thermosensitive core–shell particles (PS–PNIPAM) that consist of a poly(styrene) (PS) core and a poly(N-isopropyl acrylamide) (PNIPAM) shell by means of an optical beam deflection technique. The results are compared to recent literature values for linear PNIPAM chains and cross-linked PNIPAM microgel particles. The temperature dependence of the thermodiffusion coefficient of the core–shell colloids resembles that of the linear polymer and a number of other aqueous systems. It is significantly different from one of the crosslinked microgels.

Graphical abstract: Thermophoresis of thermoresponsive polystyrene–poly(N-isopropylacrylamide) core–shell particles

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Article information


Submitted
19 Oct 2012
Accepted
20 Nov 2012
First published
10 Dec 2012

Soft Matter, 2013,9, 1418-1421
Article type
Communication

Thermophoresis of thermoresponsive polystyrene–poly(N-isopropylacrylamide) core–shell particles

A. Königer, N. Plack, W. Köhler, M. Siebenbürger and M. Ballauff, Soft Matter, 2013, 9, 1418
DOI: 10.1039/C2SM27417E

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