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Conformational and packing energy calculations on ethylene copolymers

✍ Scribed by Roberto Napolitano; Rachele Pucciariello; Vincenzo Villani

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
467 KB
Volume
3
Category
Article
ISSN
1022-1344

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✦ Synopsis

Abstract

A conformational analysis was performed on the isolated chains of ethylene‐propene and ethylene‐1‐butene copolymers. The lowest energy conformations in accordance with the chain repeating distance of polyethylene were used in packing energy calculations. The results of our calculations suggest that both methyl and ethyl groups are tolerated in the crystalline conformation of a single polyethylene chain, but only the methyl group is acceptable in the crystalline state if the packing energies and the lattice deformations are taken into account.

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