Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 29, Issue 5, Pages 401-405Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200700717
Keywords
biomimetic; crosslinking; gels; phase transition; stimuli-sensitive polymers
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A novel self-oscillating gel actuator with gradient structure, which generates a pendulum motion by fixing one edge of the gel without external stimuli was achieved. The gel was synthesized by copolymerizing the ruthenium catalyst for the Belousov-Zhabotinsky reaction with N-isopropylacrylamide and 2-acrylamido-2-mthylpropane sulfonic acid. Furthermore, we clarified that the period and amplitude for the self-oscillating behavior of the gel actuator are controllable by changing the composition, temperature, and size of the gel. The maximum amplitude of the novel gel actuator is about a 100 times larger than that of the conventional self-oscillating gel system.
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