NEMD simulations find a thickening-thinning-thickening-thinning viscosity response in unentangled melts under uniaxial extension, with the final thinning caused by flow-induced chain scission.
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Mechanical Degradation of Unentangled Polymer Melts under Uniaxial Extensional Flow
NEMD simulations find a thickening-thinning-thickening-thinning viscosity response in unentangled melts under uniaxial extension, with the final thinning caused by flow-induced chain scission.