Effect of die temperature on the flow of polymer melts. Part I: Flow inside the die
β Scribed by Bing Yang; L. James Lee
- Publisher
- Society for Plastic Engineers
- Year
- 1987
- Tongue
- English
- Weight
- 763 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0032-3888
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π SIMILAR VOLUMES
## Abstract An experimental study has been carried out to investigate the effects of die entry angle on the entrance pressure drop, recoverable elastic energy, and onset of melt fracture in the flow of viscoelastic polymeric melts through a capillary die. For the study, capillaries with an __L/D__
The gross melt fracture defect is related to the flow instabilities developed in the contraction region. To mitigate these upstream instabilities, a convergent radial flow in the die entrance has been created. In fact, the ultimate objective of the present work is to examine the effect of the cleara