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Polymers 2011, 3(3), 1036-1050; doi:10.3390/polym3031036
Review

Stimulus-Responsive Heteroaggregation of Colloidal Dispersions: Reversible Systems and Composite Materials

1,* , 2
 and 1
Received: 16 May 2011; in revised form: 24 June 2011 / Accepted: 29 June 2011 / Published: 1 July 2011
(This article belongs to the Special Issue Polymer Nanogels and Microgels)
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Abstract: Heteroaggregation is the aggregation of mixed particle systems where the colloidal particles may differ in charge, size and chemical composition. The phenomenon of heteroaggregation is of great relevance in industrial processes and the natural environment. This review will focus on binary heteroaggregation where at least one of the particles is a stimulus-responsive smart particle. Aggregation under various conditions of pH, temperature, light and relative concentration can be induced by the careful manipulation of any one or more of these environmental conditions during the heteroaggregation of smart particles. Stimulus response provides the potential for reversibility from an aggregated to a stable system and exceptional control over inter-particle interactions. The significant fundamental and applied studies that have made an impact in this area will be discussed.
Keywords: microgel; pH; separation; composite; smart particle; heteroflocculation; heteroaggregation microgel; pH; separation; composite; smart particle; heteroflocculation; heteroaggregation
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Bradley, M.; Lazim, A.M.; Eastoe, J. Stimulus-Responsive Heteroaggregation of Colloidal Dispersions: Reversible Systems and Composite Materials. Polymers 2011, 3, 1036-1050.

AMA Style

Bradley M, Lazim AM, Eastoe J. Stimulus-Responsive Heteroaggregation of Colloidal Dispersions: Reversible Systems and Composite Materials. Polymers. 2011; 3(3):1036-1050.

Chicago/Turabian Style

Bradley, Melanie; Lazim, Azwan Mat; Eastoe, Julian. 2011. "Stimulus-Responsive Heteroaggregation of Colloidal Dispersions: Reversible Systems and Composite Materials." Polymers 3, no. 3: 1036-1050.


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