期刊
RHEOLOGICA ACTA
卷 40, 期 4, 页码 317-321出版社
SPRINGER-VERLAG
DOI: 10.1007/s003970000159
关键词
melts of branched polymers; pompon model; nonequilibrium thermodynamics; GENERIC; second normal-stress coefficient
类别
The pompon model for branched polymers is re-formulated within a general framework of nonequilibrium thermodynamics. While the original model of McLeish and Larson is found to be thermodynamically admissible, nonequilibrium thermodynamics strongly suggests several model modifications. As an immediate consequence, a nonzero second normal-stress coefficient in shear flow is predicted by the modified pompon model.
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