Transient overshoot extensional rheology of long-chain branched polyethylenes: Experimental and numerical comparisons between filament stretching and cross-slot flow

@inproceedings{Hoyle2013TransientOE,
  title={Transient overshoot extensional rheology of long-chain branched polyethylenes: Experimental and numerical comparisons between filament stretching and cross-slot flow},
  author={David M Hoyle and Qian Huang and Dietmar Auhl and David G. Hassell and Henrik Koblitz Rasmussen and Anne L Skov and Oliver G. Harlen and Ole Hassager and Tom C. B. McLeish},
  year={2013}
}
This work analyses the high-strain extensional behavior of long-chain branched polyethylenes, employing two novel extensional rheometer devices, the filament stretching rheometer and the cross-slot extensional rheometer. The filament stretching rheometer uses an active feedback loop to control the imposed strain rate on a filament, allowing Hencky strains of around 7 to be reached. The cross-slot extensional rheometer uses optical birefringence patterns to determine the steady-state extensional… CONTINUE READING

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Dynamics of branched polymers: motion, scattering and rheology

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