Tuning bio-inspired skin-core structure of nascent fiber via interplay of polymer phase transitions.

@article{Liu2014TuningBS,
  title={Tuning bio-inspired skin-core structure of nascent fiber via interplay of polymer phase transitions.},
  author={Qi Liu and Huanhuan Gao and Liyun Zha and Zuming Hu and Yu Ping Ma and Muhuo Yu and Lei Chen and Wenbing Hu},
  journal={Physical chemistry chemical physics : PCCP},
  year={2014},
  volume={16 29},
  pages={
          15152-7
        }
}
The properties of polymer fibers are determined by their inner structures. We performed dynamic Monte Carlo simulations of early-stage solidification in the fluid filaments of stretched polymer solutions after extrusion into a coagulation bath upon fiber spinning. We observed that the radial temperature gradient dominates polymer crystallization to form an oriented crystalline skin (from single to multiple layers), while the radial non-solvent influx dominates phase separation to form a… CONTINUE READING
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