Rheological behavior of a polymer melt under the impact of a vibration force field
β Scribed by Guang-sheng Zeng; Jin-ping Qu
- Publisher
- John Wiley and Sons
- Year
- 2007
- Tongue
- English
- Weight
- 287 KB
- Volume
- 106
- Category
- Article
- ISSN
- 0021-8995
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π SIMILAR VOLUMES
## Abstract The aim of this work was to study the role of effective parameters in the morphology evolution of polymer blends in a twinβscrew extruder with an emphasis on the effects of the melt viscoelastic properties of the blend components, screw speed, and flow field changes along the extruder.
The vibrational wavenumbers of 3-ethylindole were obtained from ab initio studies based on the density functional theory (DFT) approach. The assignments of the theoretical wavenumbers obtained after scaling of the internal force constants were compared with those of skatole and tryptophan. To check