Elastic properties of polyethylene melts at high shear rates with respect to extrusion
β Scribed by H. M. Laun
- Publisher
- Springer-Verlag
- Year
- 1982
- Tongue
- English
- Weight
- 376 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0035-4511
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π SIMILAR VOLUMES
The extrudate swell behavior of glass bead-filled low-density polyethylene (LDPE) composite melts was investigated using a constant rate type of capillary rheometer at high extrusion rates and test temperatures varied from 140 to 170Β°C. The results show that the die swell ratio (B) of the melts incr
## Abstract An earlier model relating the variation of the steadyβshear melt viscosity of highβdensity polyethylene to the molecular weight distribution is applied toward predicting the steadyβshear elastic compliance, the first normal stress difference, and relaxation spectrum as a function of she