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The effect of long-term ambient aging on the mechanical properties of conducting polysiloxane-polypyrrole graft copolymers
Date
2003-05-01
Author
Biran, C
Toppare, Levent Kamil
Tincer, T
Yagci, Y
Harabagiu, V
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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The mechanical behavior of conducting polysiloxane-polypyrrole graft copolymers has been investigated as a function of ambient oxidative aging period. Graft copolymers of N-pyrrolyl-terminated polydimethylsiloxane (SPPy) with pyrrole were synthesized electrochemically at constant potential by using p -toluene sulfonic acid as the supporting electrolyte. Mechanical tests were performed on both unwashed and dichloromethane -washed copolymers after aging. An initial decrease followed by an increase in the tensile strength and strain values was observed with aging. The conductivities and mechanical properties of the films were determined to remain almost unchanged after 6 months of aging at about 46 S/cm.
Subject Keywords
Conducting Polymers
,
Conducting Polymers
,
Polypyrrole
,
Aging
,
Mechanical Properties
URI
https://hdl.handle.net/11511/48269
Journal
CHEMICAL ENGINEERING COMMUNICATIONS
DOI
https://doi.org/10.1080/00986440390207422
Collections
Department of Chemistry, Article