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http://dx.doi.org/10.7473/EC.2011.46.3.245

Self Diffusion Coefficients and Free Hole Volumes of Poly(acrylonitrile)-poly(vinyl chloride) Copolymers  

Kim, Nam-Jeong (Department of Chemistry, Sahmyook University)
Publication Information
Elastomers and Composites / v.46, no.3, 2011 , pp. 245-250 More about this Journal
Abstract
The self diffusions and hole volumes of amorphous region of poly(acrylonitrile)-poly(vinyl chloride) fibers were investigated by experiments of stress relaxation. The experiments of stress relaxation were carried out using the tensile tester with the solvent chamber. The flow parameters of filament fibers were obtained by applying the experimental stress relaxation curves to the theoretical equation of stress relaxation. From the flow parameters, the hole volumes, self diffusions, viscosities and thermodynamic parameters of solid polymers were calculated. It was observed that the flow parameters of these samples are directly related to the hole volumes, self diffusions and flow activation energies of flow segments.
Keywords
self diffusions; hole volumes; thermodynamic parameters; stress relaxation; tensile tester; poly(acrylonitrile)-poly(vinyl chloride) copolymer;
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Times Cited By KSCI : 2  (Citation Analysis)
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