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材料研究学报  2006, Vol. 20 Issue (5): 479-484    
  论文 本期目录 | 过刊浏览 |
海藻酸钙水凝胶对电刺激的响应行为
刘根起  赵晓鹏  靖伟伟  邵旭丹
引用本文:

刘根起; 赵晓鹏; 靖伟伟; 邵旭丹 . 海藻酸钙水凝胶对电刺激的响应行为[J]. 材料研究学报, 2006, 20(5): 479-484.

全文: PDF(492 KB)  
摘要: 以CaCl2为交联剂采用浸渍法制备了海藻酸钙水凝胶,研究了海藻酸钙水凝胶的溶胀吸水率及其电刺激响应行为.结果表明,在NaCl水溶液中,海藻酸钙水凝胶的平衡溶胀比随着NaCl溶液浓度的增大而增大,随着交联剂CaCl2溶液浓度的增大而减小.海藻酸钙水凝胶在NaCl水溶液中在非接触直流电场作用下向负极弯曲,其弯曲速度、弯曲偏转程度和应变随着外加电场强度的增大而增大,随着NaCl溶液离子强度的变化在离子强度I=0.03时出现临界最大值,随着交联剂CaCl2溶液浓度的增大而减小.在周期性电场作用下,海藻酸钙水凝胶的弯曲响应行为具有良好的可逆性.
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收稿日期: 1900-01-01     
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