Polymer gel: soft and wet intelligent material

Yoshihito Osada; Y. Ueoka; Jianping Gong

doi:10.1117/12.237138

26 April 1996 Polymer gel: soft and wet intelligent material

Yoshihito Osada, Y. Ueoka, Jianping Gong

Proceedings Volume 2779, 3rd International Conference on Intelligent Materials and 3rd European Conference on Smart Structures and Materials; (1996) https://doi.org/10.1117/12.237138
Event: 3rd International Conference on Intelligent Materials, 1996, Lyon, France

Abstract

We have developed an electrically-driven chemomechanical system which shows quick responses with fish-like motility. Behaviors and principle of electrically-driven motion of the polymer gel have been studied. The principle of motility of this system is based upon an electrokinetic molecular assembly reaction of surfactant molecules on the hydrogel caused by both electrostatic and hydrophobic interactions. The cooperative binding of a linear as well as a cross-linked polyelectrolyte with surfactants has been theoretically analyzed. The general formulas derived on the basis of the free energy minimum principle predicted that the cross- linking enhances the initiation process but strongly suppresses the cooperativity due to the osmotic pressure in the network domain. The theoretical results showed fairly good agreement with the experimental data, confirming the essential features of the theory.

Citation Download Citation

Yoshihito Osada, Y. Ueoka, and Jianping Gong "Polymer gel: soft and wet intelligent material", Proc. SPIE 2779, 3rd International Conference on Intelligent Materials and 3rd European Conference on Smart Structures and Materials, (26 April 1996); https://doi.org/10.1117/12.237138

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