Melt Strength Behavior of Polyethylene Blends
(1992) International Polymer Processing — Vol. 7, n° 1, p. 44-50 (1992)
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- Abstract
- Melt strength data are presented on different types of binary polyethylene blends as linear low density polyethylene/low density polyethylene (LLDPE/LDPE), linear low density polyethylene/high density polyethylene (LLDPE/HDPE) and LDPE/LDPE. Melt strength was assessed from uniaxial tensile experiments with a Rheotens apparatus. In addition, the blends were characterised in terms of a few other rheological properties such as the zero-shear viscosity and the extrudate swell in capillary extrusion. For the LLDPE/LDPE blend pairs synergistic effects were observed for the melt strength and some other properties. No melt strength synergism was observed for the LLDPE/HDPE and the LDPE/LDPE blends. The results are discussed in terms of the Bersted model on the effects of long chain branching on the low-shear melt viscosity of polyethylenes.
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Ghijsels, A., & Ente, JJSM. (1992). Melt Strength Behavior of Polyethylene Blends. International Polymer Processing, 7(1), 44-50. https://hdl.handle.net/2078.5/83842 (Original work published 1992)