Dewetting Kinetics of Thin Polymer Films with Different Architectures: Effect of Polymer Adsorption

Li-Na Wang; Huan-Huan Zhang; Lin Xu; Bin-Yuan Liu; Tong-Fei Shi; Shi-Chun Jiang; Li-Jia An

doi:10.1007/s10118-018-2111-1

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Dewetting Kinetics of Thin Polymer Films with Different Architectures: Effect of Polymer Adsorption

ARTICLE | Updated：2021-02-18

- Dewetting Kinetics of Thin Polymer Films with Different Architectures: Effect of Polymer Adsorption
- Dewetting Kinetics of Thin Polymer Films with Different Architectures: Effect of Polymer Adsorption
- Chinese Journal of Polymer Science 2018年36卷第8期页码：984-990
- Affiliations：
  
  a.School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China
  b.State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
  c.Laboratory of Surface Physics and Chemistry, Guizhou Education University, Guiyang 550018, China
  d.Department of Polymer Science and Engineering, Hebei University of Technology, Tianjin 300130, China
- Author bio：
  
  lxu@gznc.edu.cn (L.X.)
  tfshi@ciac.ac.cn (T.F.S.)
  scjiang@tju.edu.cn (S.C.J.)
- Funds：
  
  We are grateful to Dr. Ming-Ming Ding for help with Brownian dynamics simulations. This work was financially supported by the National Natural Science Foundation of China (Nos. 51473168, 21234007, 21674114, 51503048, 51573131 and 21374077) and the grant of Guizhou Education University (No. 107003001455) and the Natural Science Foundation of Guizhou Province (No. QKH-JC[2017]1137).
- DOI：10.1007/s10118-018-2111-1
  中图分类号：
- 收稿：2017-10-31，
  
  录用：2018-1-16，
  
  网络首发：2018-04-13，
  
  纸质出版：2018-08
- Accepted：
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Li-Na Wang, Huan-Huan Zhang, Lin Xu, 等. Dewetting Kinetics of Thin Polymer Films with Different Architectures: Effect of Polymer Adsorption[J]. Chinese Journal of Polymer Science, 2018,36(8):984-990.

Li-Na Wang, Huan-Huan Zhang, Lin Xu, et al. Dewetting Kinetics of Thin Polymer Films with Different Architectures: Effect of Polymer Adsorption[J]. Chinese Journal of Polymer Science, 2018, 36(8): 984-990.
Li-Na Wang, Huan-Huan Zhang, Lin Xu, 等. Dewetting Kinetics of Thin Polymer Films with Different Architectures: Effect of Polymer Adsorption[J]. Chinese Journal of Polymer Science, 2018,36(8):984-990. DOI： 10.1007/s10118-018-2111-1.

Li-Na Wang, Huan-Huan Zhang, Lin Xu, et al. Dewetting Kinetics of Thin Polymer Films with Different Architectures: Effect of Polymer Adsorption[J]. Chinese Journal of Polymer Science, 2018, 36(8): 984-990. DOI： 10.1007/s10118-018-2111-1.

摘要

Abstract

We have investigated the influence of the adsorption process on the dewetting behavior of the linear polystyrene film (LPS)

the 3-arm star polystyrene film (3SPS) and the ring polystyrene film (RPS) on the silanized Si substrate. Results show that the adsorption process greatly influences the dewetting behavior of the thin polymer films. On the silanized Si substrate

the 3SPS chains exhibit stronger adsorption compared with the LPS chains and RPS chains; as a result

the wetting layer forms more easily. For LPS films

with the decrease of annealing temperature

the kinetics of polymer film changes from exponential behavior to slip dewetting. As a comparison

the stability of 3SPS and RPS films switches from slip dewetting to unusual dewetting kinetic behavior. The adsorbed nanodroplets on the solid substrate play an important role in the dewetting kinetics by reducing the driving force of dewetting and increase the resistant force of dewetting. Additionally

Brownian dynamics (BD) simulation shows that the absolute values of adsorption energy (

) gradually increase from linear polymer (−0.3896) to ring polymer (−0.4033) and to star polymer (−0.4264)

which is consistent with the results of our adsorption experiments.

关键词

Keywords

references

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