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Phase separation in a thermotropic copolyester via spinodal decomposition |
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| Authors: | D. Scheller J. Kressler H. W. Kammer F. Böhme D. Voigt D. Leistner M. Rätzsch |
| Affiliation: | (1) Department of Chemistry, Dresden University of Technology, Mommsenstrasse 13, DDR-8027 Dresden, German Democratic Republic;(2) Institute of Polymer Technology, Academy of Sciences, Hohe Strasse 6, DDR-8010 Dresden, German Democratic Republic |
| Abstract: | Summary Novel experimental evidence is presented for the phase heterogeneity of a thermotropic copolyester containing 50 % of p-hydroxybenzdic acid (HB). Characteristic phase morphologies accompanying spinodal decomposition in polymer blends can be detected. Fractionation and a NMR-analysis demonstrate that the copolyester contains two constituents which differ in their HB-contents. |
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