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Updated: Apr 10, 2026

Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions
Published on: April 19, 2018
Mesoscale modeling of phase transition dynamics of thermoresponsive polymers
Zhen Li1, Yu-Hang Tang, Xuejin Li
1Division of Applied Mathematics, Brown University, Providence, RI 02912, USA. george_karniadakis@brown.edu.
Abstract:
We present a non-isothermal mesoscopic model for investigation of the phase transition dynamics of thermoresponsive polymers. Since this model conserves energy in the simulations, it is able to correctly capture not only the transient behavior of polymer precipitation from solvent, but also the energy variation associated with the phase transition process. Simulations provide dynamic details of the thermally induced phase transition and confirm two different mechanisms dominating the phase transition dynamics. A shift of endothermic peak with concentration is observed and the underlying mechanism is explored.
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