Large macroscopic size changes in chemomechanical polymers with binding sites for metal ions

被引：15
|
作者：
Schneider, HJ [1 ]
Liu, TJ
机构：
[1] Univ Saarland, FR Organ Chem, D-66041 Saarbrucken, Germany
[2] Univ Saarland, Inst Neue Mat, D-66041 Saarbrucken, Germany
来源：
CHEMICAL COMMUNICATIONS | 2004年 / 01期
关键词：
D O I：
10.1039/b310939a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A flexible polymer based on the reaction of polyacrylate with diethylenetriamine shows, under the control of transition metal ions in the external aqueous medium, size expansion or contraction by up to 200% (corresponding to 400% volume change); the macroscopic movements, which are fully reversible, show a distinct maximum at a certain metal salt concentration, and vary significantly with the addition of second effector compounds such as sodium chloride or benzoate.
引用
收藏
页码：100 / 101
页数：2
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