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Self‐oscillating swelling and deswelling of polymer gels
Author(s) -
Yoshida Ryo,
Ichijo Hisao,
Hakuta Toshikatsu,
Yamaguchi Tomohiko
Publication year - 1995
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.1995.030160412
Subject(s) - self healing hydrogels , swelling , polymer , materials science , work (physics) , coupling (piping) , polymer chemistry , chemical engineering , chemical physics , chemistry , composite material , thermodynamics , physics , engineering
Novel gel systems demonstrating rhythmically pulsatile mechanical motion similar to that of a heartbeat were developed. Self‐oscillations of swelling and deswelling for the polymer hydrogels were realized by coupling pH and temperature sensitive hydrogels with a non‐linear chemical reaction in the external solution media. The novel gel dynamics exhibiting cyclic and rhythmical oscillations may establish a new concept for functional materials that work under dynamic oscillating states.
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