期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 27, 期 3, 页码 219-222出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200500694
关键词
actuator; artificial muscle; distribution; electroactive polymer; IPMC; membranes
To develop ionic polymer-metal composites (IPMC) with improved performance, three new ion-exchange membranes were prepared and employed in IPMC construction. The membranes were prepared by radiation-grafting of polystyrene sulfonic acid onto three fluoropolymers; poly(vinylidenefluoride-co-hexafluoropropylene),poly(ethylene- co-tetrafluoroethylene), and poly(tetrafluoroethylene-cohexafluoropropylene). The bending displacements of the IPMCs constructed with these membranes were at least several times larger than that of Nafion IPMC of similar thickness without straightening-back. The larger displacement was considered to be due to the higher concentration of ionic groups and consequent larger ion-exchange capacity.
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