How Polydispersity of Network Polymers Influences Strain-induced Crystal Nucleation in a Rubber

Miao-miao Zhang; Li-yun Zha; Huan-huan Gao; Yi-jing Nie; Wen-bing Hu

doi:10.1007/s10118-014-1495-9

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How Polydispersity of Network Polymers Influences Strain-induced Crystal Nucleation in a Rubber

Updated：2021-06-21

- How Polydispersity of Network Polymers Influences Strain-induced Crystal Nucleation in a Rubber
- Chinese Journal of Polymer Science Vol. 32, Issue 9, Pages: 1218-1223(2014)
- Affiliations：
  
  Department of Polymer Science and Engineering, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
- Author bio：
  
  **Wen-bing Hu (胡文兵), E-mail: wbhu@nju.edu.cn
- Funds：
- DOI：10.1007/s10118-014-1495-9
  CLC：
- Received：26 March 2014，
  
  Revised：2014-04-21，
  
  Accepted：28 April 2014，
  
  Published：2014-09
- Accepted：
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Miao-miao Zhang, Li-yun Zha, Huan-huan Gao, et al. How Polydispersity of Network Polymers Influences Strain-induced Crystal Nucleation in a Rubber[J]. Chinese Journal of Polymer Science, 2014, 32(9): 1218-1223.
DOI：

Miao-miao Zhang, Li-yun Zha, Huan-huan Gao, et al. How Polydispersity of Network Polymers Influences Strain-induced Crystal Nucleation in a Rubber[J]. Chinese Journal of Polymer Science, 2014, 32(9): 1218-1223. DOI： 10.1007/s10118-014-1495-9.

摘要

Abstract

Network polymers in a rubber or a gel often contain non-uniform chain lengths. By means of dynamic Monte Carlo simulations of polymer mixtures with various compositions of two chain lengths

we investigated how the factor of polydispersity influences their strain-induced crystal nucleation. Under a high temperature and a high strain rate

the stretching of both polymers revealed that crystal nucleation is mainly accelerated by the presence of short-chain polymers; nevertheless

both polymers join together in the nucleation process. Further analysis proved that crystal nucleation is initiated from those highly stretched short segments

which are rich on the short-chain polymers.

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