期刊
SYNTHETIC METALS
卷 160, 期 7-8, 页码 791-796出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2010.01.024
关键词
Hydrogels; Conducting polymers; Special double-network; Mechanical toughness; Electromechanical actuator
资金
- National Natural Science Foundation of China [20574034, 50773030]
- Research Fund for the Doctoral Program of Higher Education of China [200802840010]
- Scientific Research Foundation of Graduate School of Nanjing University
- Testing Foundation of Nanjing University
Mechanically strong conducting hydrogels composed of poly(acrylamide) (PAAm) and poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT-PSS) have been synthesized through the construction of a special double-network (sDN) structure. The novelty of the sDN hydrogels lies in the introduction of PEDOT-PSS semi-interpenetrating polymer network (semi-IPN) hydrogel as the second network. Based on the experimental results and the double-network theory, an additional strengthening effect resulting from the formation of the PEDOT clusters in a three-step fracture process is proposed. The applicability of as-prepared PAAm/PEDOT-PSS sDN hydrogels in electromechanical actuators is also briefly discussed. (C) 2010 Elsevier B.V. All rights reserved.
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