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| Titel: |
Control of the Anisotropic Structure of Cellulose Hydrate Films by Variations of Coagulation Variables |
| Auteur: |
Khanchich, O. A. Serkov, A. T. Morozov, N. V. Loshadkin, D. V. Rozantsev, E. G. |
| Verschenen in: |
International journal of polymeric materials |
| Paginering: | Jaargang 50 (2001) nr. 1 pagina's 9-20 |
| Jaar: |
2001-07-01 |
| Inhoud: |
The evolution of the structures, that developed in cellulose hydrate films from a rayon after coagulation in the precipitating bath from organic solvent, water and sulfuric acid in presence of inorganic salt has been investigated. The specific features of structure formation at coagulation and cellulose hydrate film extension have been found. It was shown that there is a high diversity of supermolecular structures, whose morphology depends on the precipitation conditions and preliminary orientation. The films structure characteristics correspond to its strength properties. An increase in salt concentration resulted in a films with a more homogeneous, tensile strength structures and small sizes of spherulites. The films of high resistance is formed, in a precipitation bath of organic solvent, because of the realization of the liquid crystalline phase in the coagulation process. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 3 van 10 gevonden artikelen
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