Rheology and microscopic topology of entangled polymeric liquids.

  title={Rheology and microscopic topology of entangled polymeric liquids.},
  author={Ralf Everaers and Sathish K. Sukumaran and Gary S. Grest and Carsten Svaneborg and Arvind Sivasubramanian and Kurt Kremer},
  volume={303 5659},
The viscoelastic properties of high molecular weight polymeric liquids are dominated by topological constraints on a molecular scale. In a manner similar to that of entangled ropes, polymer chains can slide past but not through each other. Tube models of polymer dynamics and rheology are based on the idea that entanglements confine a chain to small fluctuations around a primitive path that follows the coarse-grained chain contour. Here we provide a microscopic foundation for these highly… CONTINUE READING
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