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Pressure effects on viscosity and flow stability of polyethylene melts during extrusion

✍ Scribed by Enric Santanach Carreras; Nadia El Kissi; Jean-Michel Piau; Fabrice Toussaint; Sophie Nigen

Publisher
Springer-Verlag
Year
2005
Tongue
English
Weight
667 KB
Volume
45
Category
Article
ISSN
0035-4511

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Effect of long-chain branching on the re
Effect of long-chain branching on the relation between steady-flow and dynamic viscosity of polyethylene melts
✍ Shroff, Ramesh N. ;Shida, Mitsuzo πŸ“‚ Article πŸ“… 1970 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 396 KB

## Abstract The steady‐state viscosity Ξ·, the dynamic viscosity Ξ·β€², and the storage modulus __G__β€² of several high‐density and low‐density polyethylene melts were investigated by using the Instron rheometer and the Weissenberg rheogoniometer. The theoretical relation between the two viscosities as