Analysis of the Adjacent Re-Entry Folds in the Form I of Syndiotactic Polypropylene
โ Scribed by Napolitano, Roberto; Pirozzi, Beniamino
- Book ID
- 126009995
- Publisher
- American Chemical Society
- Year
- 1998
- Tongue
- English
- Weight
- 151 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0024-9297
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Abstraet--Conformational energy calculations for the ~-form of isotactic polypropylene were carried out for possible adjacent re-entry fold schemes resulting from the inherent directionality of isotatic chains and from examination of the crystalline structure. The calculated fold conformational ener
Abstraet~Conformational energy calculations have been performed on two crystalline polymorphic forms of syndiotactic polypropylene. A chain conformation having the helicoidal s(2/1)2 symmetry has been obtained for the form of the polymer having chain axis c = 7.40 A.. A chain conformation having the