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9 February 1996 Bending and shape memory effects of modulated gels
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The smart materials based on spatial modulation of the chemical nature of gels have been synthesized. The modulation is achieved by interpenetrating only part of one gel network with another gel network. Therefore, these gels have an internally heterogeneous, or modulated structure. The simplest modulated structure is a bigel. The bending of the bigel has been studied as a function of temperature. A theoretical model has been used to analyze the bending stress in the bigels. A variety of shapes, including sinusoidal and spiral ones, of the gels at various temperatures can be obtained by designing the modulation pattern of the system. The novel gel functions obtained from the modulation method are based on the fact that the volumes of different gels are sensitive to different environmental aspects.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Zhibing Hu, Yong Li, Xiaomin Zhang, and Yuanye Chen "Bending and shape memory effects of modulated gels", Proc. SPIE 2716, Smart Structures and Materials 1996: Smart Materials Technologies and Biomimetics, (9 February 1996);

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