Study of conformational stability of polycarbonitrile-polyazine copolymers
| Autor: | Stefan Tenenbaum, Laks Bernardo |
|---|---|
| Rok vydání: | 1999 |
| Předmět: |
chemistry.chemical_classification
Materials science Mechanical Engineering Imine Metals and Alloys Polymer Electronic structure Conjugated system Condensed Matter Physics Planarity testing Electronic Optical and Magnetic Materials chemistry.chemical_compound Polyacetylene chemistry Mechanics of Materials Polymer chemistry Materials Chemistry Copolymer Repeat unit |
| Zdroj: | Synthetic Metals. 102:1222-1223 |
| ISSN: | 0379-6779 |
| DOI: | 10.1016/s0379-6779(98)01301-0 |
| Popis: | In a previous study we showed that the trans-polycarbonitrile polymer presents a strong deviation from the planarity suggesting that this conformation does not correspond to the most stable structure of the system. These non-planarity can affect significantly the electronic properties of the polymer. On the other hand the polyazine derivative, a conjugated polymer, a nitrogen containing analog of the polyacetylene, that can be considered the head-to-head polymer of the imine repeat unit, is a planar conjugated system with very small sigma-pi interaction. In this work we report a comparative study of the electronic structures and the electrical conduction properties of the polycarbonitrile-polyazine copolymers. Our results indicate that the planarity of the copolymers depends on the competition among carbonitrile-azine segments size and can lead to a conductive system. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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