Citation: Dao-hong Mei, Dong Qiu, Da-dong Yan. Structure and Interaction of Adsorbing Symmetrical Triblock Polyampholyte Solution between Two Planes[J]. Chinese Journal of Polymer Science, ;2016, 34(2): 195-208. doi: 10.1007/s10118-016-1741-4 shu

Structure and Interaction of Adsorbing Symmetrical Triblock Polyampholyte Solution between Two Planes

Dao-hong Mei ^1,2,3 ,
Dong Qiu ⁴ ,
Da-dong Yan ⁵

1.
1. State Key Laboratory of Polymer Physics and Chemistry Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
2.
2. University of Chinese Academy of Sciences, Beijing 100049, China
3.
4.
State Key Laboratory of Polymer Physics and Chemistry Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
5.
Department of Physics, Beijing Normal University, Beijing 100875, China

Received Date: 10 August 2015
Revised Date: 23 September 2016

Fund Project: This work was financially supported by the National Natural Science Foundation of China (Nos. 21374011 and 21434001), and 973 project 2011CB808502.

In this paper, the continuum self-consistent field theory (SCFT) is applied to study the structure and the interaction of the adsorption of symmetrical ABA polyampholytes (PAs) between two neutral planes. It is found that the amounts of all the conformations decrease with the increase of the charge fraction of polymer chain, and increase with the increase of the bulk salt concentration and become saturated at high bulk salt concentration. The effective interaction between the two planes presented a long-range repulsion. Splitting it into various components and relating with the dependence of the variations of the conformations on environment parameters, we try to find the origin of the total long-range interaction between the two planes.
- Polyampholyte adsorption,
- Conformations,
- Interaction,
- SCFT
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