Continuity of flow alignment parameters across the nematic-isotropic phase transition
β Scribed by N.A. Clark
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 140 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0375-9601
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## Abstract A bifurcational analysis is performed on Doi's equation of nematodynamics that describes the nonβequlibrium isotropicβnematic phase transition of rigid rod polymers in the presence of steady biaxial stretching flow. The symmetry of the flow and of the governing order parameter equations
We report the molecular selfdrffusion constant D III the rsotropic phase of the homologous series of paraazo\yankole WAA) measured over a temperature range of about 10 K above the nematrc-rsotroprc transrtron temperature Tc by the variable field gradient spin echo techmque The constant D measured im