Stimuli-responsive Polymer Systems: A Review of Thermo-associative Thickening
By: Robert Y. Lochhead, The University of Southern Mississippi
Posted: October 2, 2006, from the October 2006 issue of Cosmetics & Toiletries.
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9 pages available as a PDF download or printed copies mailed to you
Article Keywords:
- stimuli-responsive
- thermal gelling
- thermo-thickening
- lower critical solution temperature
- hydrophobically modified hydrophilic polymers
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Water-soluble polymers and thickeners continue to grow in market volume and diversity. Today there is a noticeable trend toward cosmetic applications that depend upon stimuli-responsive behavior that results in thermo-associative thickening at desired temperatures. This article reviews recent trends in thermally initiated stimuli-responsive materials and provides some insight into the physicochemical mechanisms that underpin this fascinating behavior.
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