PHASE BEHAVIOR OF CHARGE STABLIZED COLLOID DISPERSION WITH ADDED WATER SOLUBLE POLYMERS

Jia-xue Liu; Yong-feng Men

doi:10.1007/s10118-013-1308-6

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PHASE BEHAVIOR OF CHARGE STABLIZED COLLOID DISPERSION WITH ADDED WATER SOLUBLE POLYMERS

Special Issue: In Memory of Prof. Bingzheng Jiang | Updated：2023-01-03

- PHASE BEHAVIOR OF CHARGE STABLIZED COLLOID DISPERSION WITH ADDED WATER SOLUBLE POLYMERS
- Chinese Journal of Polymer Science Vol. 31, Issue 9, Pages: 1218-1224(2013)
- Affiliations：
  
  State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Changchun 130022, China
- Author bio：
  
  **Yong-feng Men (门永锋), E-mail: men@ciac.jl.cn
- Funds：
- DOI：10.1007/s10118-013-1308-6
  CLC：
- Received：21 March 2013，
  
  Revised：2013-05-07，
  
  Accepted：15 May 2013，
  
  Published：2013-09
- Accepted：
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Jia-xue Liu, Yong-feng Men. PHASE BEHAVIOR OF CHARGE STABLIZED COLLOID DISPERSION WITH ADDED WATER SOLUBLE POLYMERS[J]. Chinese Journal of Polymer Science, 2013, 31(9): 1218-1224.
DOI：

Jia-xue Liu, Yong-feng Men. PHASE BEHAVIOR OF CHARGE STABLIZED COLLOID DISPERSION WITH ADDED WATER SOLUBLE POLYMERS[J]. Chinese Journal of Polymer Science, 2013, 31(9): 1218-1224. DOI： 10.1007/s10118-013-1308-6.

摘要

Abstract

Demixing and colloidal crystallization in the mixture of charge stabilized colloidal poly(methyl methacrylate) particles and soluble poly(ethylene oxide) were investigated by means of synchrotron small-angle X-ray scattering (SAXS) technique. Phase diagram of the mixture was obtained based on visual inspection and SAXS results. The phase behavior is determined as a function of the concentration of the polymer as well as the volume fraction of the colloidal particles. The system shows a one phase region when the concentration of the polymer is low

whereas a two-phase region is present when the concentration of the polymer is larger than a critical concentration at certain volume fraction of the colloids. Interestingly

a face centered cubic colloidal crystalline structure was formed under certain conditions

which has been rarely observed in experiments of colloid-polymer mixtures with competing interactions.

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Special Topic: Chirality in Polymers

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