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- Publisher
- The Society of Rheology
- Copyright
- Copyright © 2008 The Society of Rheology
- ISSN
- 0148-6055
- eISSN
- 1520-8516
- DOI
- 10.1122/1.2892039
- Publisher site
- See Article on Publisher Site
Abstract
Several linear ethene∕ α -olefin copolymers with butene, hexene, octene, dodecene, octadecene, and hexacosene as comonomers were characterized in linear-viscoelastic shear flow. Creep and creep recovery measurements were used to obtain the zero shear-rate viscosity η 0 and the steady-state elastic recovery compliance J e 0 . The correlation between the zero shear-rate viscosity and the weight average molar mass η 0 ( M w ) established for metallocene catalyzed high density polyethylene ( m HDPE ) was found to be obeyed by all samples containing comonomer contents up to 29 wt % . For the linear steady-state elastic compliance J e 0 an increase with growing molar mass M w or comonomer content w c was observed.
Journal
Journal of Rheology – The Society of Rheology
Published: May 1, 2008