Characterization of Pyrrole Copolymer Soft Actuators Prepared by Electrochemical Polymerization Pyrrole and Diethyl 3,4-pyrroledicarboxylate

Polypyrrole (PPy) actuators, which expand and contract by doping and dedoping ions in an electrolyte solution, have been reported to have a large strain under a large stress. However, many of these actuators exhibited notable electrochemical creep (swelling) after repeated electrochemical actuations...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2012-11, Vol.566 (1), p.158-164
Main Authors: Ogihara, Shou, Duan, Zongfan, Suzuki, Yutaro, Hoshino, Daiki, Higashi, Masahiro, Tsumuji, Futo, Obayashi, Hiroaki, Nishioka, Yasushiro
Format: Article
Language:English
Subjects:
4-pyrroledicarboxylate
Actuators
Copolymers
creep
Creep (materials)
diethyl 3
Electrolytes
Ions
LiTFSI
Polymerization
polypyrrole
Pyrroles
Reduction
Soft actuator
Strain
Stress-strain curves
Swelling
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Summary:Polypyrrole (PPy) actuators, which expand and contract by doping and dedoping ions in an electrolyte solution, have been reported to have a large strain under a large stress. However, many of these actuators exhibited notable electrochemical creep (swelling) after repeated electrochemical actuations. Here, actuator films were prepared by electrochemical polymerization of pyrrole and diethyl 3,4-pyrroledicarboxylate with different mol ratios. The actuating strain of the film actuators prepared from a solution of pyrrole and diethyl 3,4-pyrroledicarboxylate with 97:3 mol ratio showed significant reduction of the electrochemical creep with minimal reduction of the actuating strain.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421406.2012.701884