Mechanical instability of gels at the phase transition

Polymer gels, consisting of a cross-linked polymer network immersed in liquid, undergo a volume phase transition: when external conditions such as temperature or solvent composition change, a gel reversibly swells or shrinks. The physical basis underlying the formation and evolution of the pattern i...

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Bibliographic Details
Published in:Nature (London) 1987-02, Vol.325 (6107), p.796-798
Main Authors: Tanaka, Toyoichi, Shao-Tang, Sun, Hirokawa, Yoshitsugu, Katayama, Seiji, Kucera, John
Format: Article
Language:English
Subjects:
Physics
Polymers
Synthetic products
Temperature
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Summary:Polymer gels, consisting of a cross-linked polymer network immersed in liquid, undergo a volume phase transition: when external conditions such as temperature or solvent composition change, a gel reversibly swells or shrinks. The physical basis underlying the formation and evolution of the pattern is elucidated.
ISSN:0028-0836
1476-4687
DOI:10.1038/325796a0