Abstract
The dynamic rotational isomeric states model is used to calculate the conformational (CACF) and first and second orientational (OACF) autocorrelation functions for polyethylene. Various sequence lengths and directions in the chain are considered. The CACFs are compared with Brownian simulation results of Weber and Helfand. Results of calculations on OACFs are analyzed by using the expressions proposed for local chain dynamics by Williams-Watts, Jones-Stockmayer, Bendler-Yaris, and Hall-Helfand. The relationship between the correlation times associated with the first and second OACFs is examined.
| Original language | English |
|---|---|
| Pages (from-to) | 431-437 |
| Number of pages | 7 |
| Journal | Macromolecules |
| Volume | 22 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 1 1989 |
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