Theoretical Interpretation of Conformation Variations of Polydimethylsiloxane Induced by Nanoparticles

Zhao-Yang Wei; Nan-Ying Ning; Ming Tian; Li-Qun Zhang; Jian-Guo Mi

doi:10.1007/s10118-018-2019-9

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Theoretical Interpretation of Conformation Variations of Polydimethylsiloxane Induced by Nanoparticles

Articles | Updated：2021-02-18

- Theoretical Interpretation of Conformation Variations of Polydimethylsiloxane Induced by Nanoparticles
- Chinese Journal of Polymer Science Vol. 36, Issue 4, Pages: 505-513(2018)
- Affiliations：
  
  a. State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
  b.Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- Author bio：
  
  E-mail tianm@mail.buct.edu.cn (M.T.)
  E-mail mijg@mail.buct.edu.cn (J.G.M.)
- Funds：
- DOI：10.1007/s10118-018-2019-9
  CLC：
- Received：23 June 2017，
  
  Accepted：11 August 2017，
  
  Online First：30 November 2017，
  
  Published：05 April 2018
- Accepted：
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Zhao-Yang Wei, Nan-Ying Ning, Ming Tian, et al. Theoretical Interpretation of Conformation Variations of Polydimethylsiloxane Induced by Nanoparticles[J]. Chinese Journal of Polymer Science, 2018, 36(4): 505-513.
DOI：

Zhao-Yang Wei, Nan-Ying Ning, Ming Tian, et al. Theoretical Interpretation of Conformation Variations of Polydimethylsiloxane Induced by Nanoparticles[J]. Chinese Journal of Polymer Science, 2018, 36(4): 505-513. DOI： 10.1007/s10118-018-2019-9.

摘要

Abstract

There has been controversy as to whether the addition of nanoparticles to a polymer melt causes perturbed chain structure of polymers. In this work

the chain conformations of polydimethylsiloxane (PDMS) with addition of polyhedral oligomeric silsesquioxane (POSS) nanoparticles have been studied using a classical density functional approach. Under the strong interactions of POSS-PDMS

the radius of gyration of PDMS in the nanocomposites can either increase or decline depending on particle loading. After adding nanoparticles with larger size or weaker interactions

both the increasing and the declining amplitudes can be largely suppressed. The results provide a deep understanding of chain conformation in polymer nanocomposites.

关键词

Keywords

references

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