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Dielectric Studies Of Polyester/Polycarbonate Blends
Published online by Cambridge University Press: 21 February 2011
Abstract
Dielectric and enthalpic relaxation times have been measured as a function of composition and temperature. A fractional exponential (W–W) distribution of relaxation times fits both the dielectric and enthalpic relaxation times with different values which are a function of composition. Free volume parameters calculated using the WLF equation are not simple functions of the composition. Concentration fluctuations are considered to be important in these phenomena.
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- Copyright © Materials Research Society 1990
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