Conformational and packing energy calculations have been performed on the ~t modification of syndiotactic polystyrene. The conformational energy has been optimized as a function of the internal parameters of the chain. The packing energy has been calculated considering at first the best packing of c
Geometrical and energetical analysis of the chain conformations of syndiotactic polystyrene in the crystalline state
β Scribed by Paolo Corradini; Roberto Napolitano; Beniamino Pirozzi
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 366 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0014-3057
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π SIMILAR VOLUMES
Molecular mechanics methods have been used in order to find the conformations of various syndiotactic polymers in crystals. Three different classes of polymers have been examined: i) polyolefins, such as poly(propylene), polystyrene, poly(1-butene) and poly(1,2-butadiene); ii) polydienes, such as ci
## Abstract Summary: The vast majority of headβtoβtail stereoregular crystallizable polymers with an isotactic structure generally assume a helical symmetry in the crystalline state, compatible with the regular repetition along the chain axis of isomorphous isoclined units. There are at least two c