Determination of the chain conformation of polypropylene in the crystalline state by neutron scattering
β Scribed by M. Stamm; J. Schelten; D. G. H. Ballard
- Publisher
- Springer
- Year
- 1981
- Weight
- 699 KB
- Volume
- 259
- Category
- Article
- ISSN
- 0340-255X
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π SIMILAR VOLUMES
## Abstract The postulate of geometric equivalence of the monomeric units of a tactic chain with regard to an axis (I) and the postulate that the conformation is such that the internal energy of the chain, considered as not subjected to external forces, is the lowest (II), can be applied to the pre
## 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