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- Title
Phase separation and liquid-crystal state of cellulose triacetate in nitromethane.
- Authors
Shipovskaya, A.; Timofeeva, G.; Gegel’, N.; Shchegolev, S.
- Abstract
The existence of the liquid-crystal state of cellulose acetate in nitromethane has been shown on the basis of the calculation data, rheological and x-ray structural analysis, and polarization- and electron-microexamination. The conditions for the formation of the lyotropic phase have been revealed and the states of its concentration-temperature boundary have been determined and marked on the diagram. It is shown that the ratio between acetate and hydroxyl groups in the polymer strongly influences the temperature and concentration ranges of realization of a highly oriented state.
- Subjects
CELLULOSE; GLUCANS; ACETATES; NITROMETHANE; HYDROXYL group; POLYMERS
- Publication
Journal of Engineering Physics & Thermophysics, 2008, Vol 81, Issue 6, p1222
- ISSN
1062-0125
- Publication type
Article
- DOI
10.1007/s10891-009-0141-9