Uniaxial Stretching of Polypyrrole Cast Film

Uniaxial stretching of polypyrrole (PPy) cast film significantly improved the electrical conductivity and break strength of the film in the stretching direction. The electrostatic effect of nitrogen atoms in pyrrole rings was also increased from 44% to 56% by stretching without change in the doping...

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Bibliographic Details
Published inMolecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals Vol. 370; no. 1; pp. 305 - 308
Main Authors Song, Kitae, Rhee, Hee-Woo, Lee, Sang Yun, Joo, Jin Soo, Lee, Jun Young
Format Journal Article Conference Proceeding
LanguageEnglish
Published Philadelphia, PA Taylor & Francis Group 01.10.2001
Gordon and Breach
Subjects
Applied sciences
Cast film
Electrical, magnetic and optical properties
Exact sciences and technology
Extended conformation
Organic polymers
Physicochemistry of polymers
Properties and characterization
Soluble polypyrrole
Uniaxial stretching
Conducting polymers
Solid state
Electrical conductivity
Oriented polymer
Electrical properties
Temperature effect
Doped polymer
Experimental study
Sulfonic acid
Pyrrole polymer
Conformation
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Summary:Uniaxial stretching of polypyrrole (PPy) cast film significantly improved the electrical conductivity and break strength of the film in the stretching direction. The electrostatic effect of nitrogen atoms in pyrrole rings was also increased from 44% to 56% by stretching without change in the doping level. These phenomena indicate that stretching can induce more extended conformation of PPy molecules in the cast film.
ISSN:1058-725X
DOI:10.1080/10587250108030094