Structural Evolution in Flowing Immiscible Blends in the Presence of Rough Particles: Dependence of Shear Rate and Blend Ratio

Si-Ying Xiang; Ying-Chun Yao; Miao-Miao Lu; Ya-Jiang Huang; Mi-Qiu Kong; Guang-Xian Li

doi:10.1007/s10118-021-2569-0

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Structural Evolution in Flowing Immiscible Blends in the Presence of Rough Particles: Dependence of Shear Rate and Blend Ratio

ARTICLE | Updated：2021-05-25

- Structural Evolution in Flowing Immiscible Blends in the Presence of Rough Particles: Dependence of Shear Rate and Blend Ratio
- Chinese Journal of Polymer Science Vol. 39, Issue 8, Pages: 1059-1068(2021)
- Affiliations：
  
  College of polymer science and engineering, State key laboratory of polymer materials engineering of China, Sichuan University, Chengdu 610065, China
- Author bio：
  
  hyj@scu.edu.cn (Y.J.H.)
  guangxianli@scu.edu.cn (G.X.L.)
- Funds：
- DOI：10.1007/s10118-021-2569-0
  CLC：
- Received：09 October 2020，
  
  Revised：2021-1-26，
  
  Accepted：18 February 2021，
  
  Online First：25 May 2021，
  
  Published：18 June 2021
- Accepted：
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Xiang, S. Y.; Yao, Y. C.; Lu, M. M.; Huang, Y. J.; Kong, M. Q.; Li, G. X. Structural evolution in flowing immiscible blends in the presence of rough particles: dependence of shear rate and blend ratio. Chinese J. Polym. Sci. 2021, 39, 1059–1068

Si-Ying Xiang, Ying-Chun Yao, Miao-Miao Lu, et al. Structural Evolution in Flowing Immiscible Blends in the Presence of Rough Particles: Dependence of Shear Rate and Blend Ratio[J]. Chinese Journal of Polymer Science, 2021, 39(8): 1059-1068.
Xiang, S. Y.; Yao, Y. C.; Lu, M. M.; Huang, Y. J.; Kong, M. Q.; Li, G. X. Structural evolution in flowing immiscible blends in the presence of rough particles: dependence of shear rate and blend ratio. Chinese J. Polym. Sci. 2021, 39, 1059–1068 DOI： 10.1007/s10118-021-2569-0.

Si-Ying Xiang, Ying-Chun Yao, Miao-Miao Lu, et al. Structural Evolution in Flowing Immiscible Blends in the Presence of Rough Particles: Dependence of Shear Rate and Blend Ratio[J]. Chinese Journal of Polymer Science, 2021, 39(8): 1059-1068. DOI： 10.1007/s10118-021-2569-0.

摘要

Abstract

The influence of polystyrene particles with different nanoscale roughnesses on the morphology of polyisobutylene/polydimethylsiloxane blends was studied under shear flow by using confocal laser scanning microscopy. It was found that the surface roughness of particles strongly affected their diffusion and distribution behaviors

thereby determining the size and spatial arrangement of droplets in the blends. The roughness effect of particles was found to possess a strong dependence on both the blend ratio and the shear rate. The result suggested that the particle roughness can serve as a new parameter to control the structure-property correlation in particle-filled polymer blends

especially under slow flow.

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Keywords

references

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