EXTENSIONAL FLOW OF BULK POLYMERS STUDIED BY DYNAMIC MONTE CARLO SIMULATIONS

Yu Ma; Xiao-hong Zhang; Wen-bing Hu

doi:10.1007/s10118-013-1337-1

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EXTENSIONAL FLOW OF BULK POLYMERS STUDIED BY DYNAMIC MONTE CARLO SIMULATIONS

RAPID COMMUNICATION | Updated：2023-01-03

- EXTENSIONAL FLOW OF BULK POLYMERS STUDIED BY DYNAMIC MONTE CARLO SIMULATIONS
- Chinese Journal of Polymer Science Vol. 31, Issue 11, Pages: 1463-1469(2013)
- Affiliations：
  
  a.Department of Polymer Science and Engineering, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
  b.State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 200051, China
  c.Anhui Tong Feng Electronics Corporation, Tongling 244000, China
- Author bio：
  
  **Wen-bing Hu (胡文兵), E-mail: wbhu@nju.edu.cn
- Funds：
- DOI：10.1007/s10118-013-1337-1
  CLC：
- Received：23 April 2013，
  
  Revised：2013-06-18，
  
  Accepted：19 June 2013，
  
  Published：2013-11
- Accepted：
Scan QR Code
Yu Ma, Xiao-hong Zhang, Wen-bing Hu. EXTENSIONAL FLOW OF BULK POLYMERS STUDIED BY DYNAMIC MONTE CARLO SIMULATIONS[J]. Chinese Journal of Polymer Science, 2013, 31(11): 1463-1469.
DOI：

Yu Ma, Xiao-hong Zhang, Wen-bing Hu. EXTENSIONAL FLOW OF BULK POLYMERS STUDIED BY DYNAMIC MONTE CARLO SIMULATIONS[J]. Chinese Journal of Polymer Science, 2013, 31(11): 1463-1469. DOI： 10.1007/s10118-013-1337-1.

摘要

Abstract

Dynamic Monte Carlo simulations of bulk lattice polymers driven through planar geometries with sequentially converging

parallel and diverging spaces between two neutrally repulsive solid plates are reported. The spatial profiles of polymer velocity and deformation along the course of such a laminar extensional flow have been carefully analyzed. The results appear consistent with experimental observations in literature. In the entrance and exit regions

a linear dependence of chain extension upon the excess velocity has been observed. Moreover

an annexed shear flow and a molecular-dispersion effect are found. The results demonstrate a useful strategy of this approach to study polymer flows and bring new insights into the non-Newtonian-fluid behaviors of bulk polymers in capillary rheometers and micro-fluidic devices.

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