期刊
COLLOID AND POLYMER SCIENCE
卷 289, 期 5-6, 页码 475-487出版社
SPRINGER
DOI: 10.1007/s00396-010-2371-y
关键词
Polymer gels; Biomimetics; Smart materials; Oscillating reaction
资金
- Grants-in-Aid for Scientific Research [22245037] Funding Source: KAKEN
As a novel biomimetic polymer gel, we have been studying polymer gel with an autonomous self-oscillating function since it was firstly reported in 1996. For developing the polymer gels, we utilized an oscillating chemical reaction, called the Belousov-Zhabotinsky (BZ) reaction, which is recognized as a chemical model for understanding several autonomous phenomena in biological systems. The self-oscillating polymer gel is composed of a poly(N-isopropylacrylamide) network in which the metal catalyst for the BZ reaction is covalently immobilized. Under the coexistence of the reactants, the polymer undergoes spontaneous swelling-deswelling changes (in the case of gel) or cyclic soluble-insoluble changes (in the case of uncross-linked polymer) without any on-off switching of external stimuli. Several kinds of functional material systems utilizing the self-oscillating polymer and gel such as biomimetic actuators, mass transport surface, etc. are expected. Here, these recent progress on the self-oscillating polymer and gels and the design of functional material systems are summarized.
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