Citation: Dao-hong Mei, Dong Qiu. A Self-consistent Field Study on the Adsorption of Symmetrical Triblock Copolymers between Two Parallel Planes[J]. Chinese Journal of Polymer Science, ;2015, 33(12): 1691-1701. doi: 10.1007/s10118-015-1721-0 shu

A Self-consistent Field Study on the Adsorption of Symmetrical Triblock Copolymers between Two Parallel Planes

Dao-hong Mei ^1,2,3 ,
Dong Qiu ^4,,

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

Corresponding author: Dong Qiu,
Received Date: 17 May 2015
Revised Date: 26 June 2015

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

Using the continuum self-consistent field theory(SCFT), the adsorption of flexible symmetrical triblock polymers onto the surfaces of two identical parallel planes immersed in a neutral solution was studied. The effects of various parameters, such as the interface adhesive energy, the polymer composition and the bulk polymer concentration, on the conformations and total adsorption amount of polymers were explored. It was found that the dependence of the amount of bridges on the interface adhesion and that of the amount of tails on the length of adhesive blocks were both non-monotonous. The amounts of the four chain conformations scaled nearly linearly to the copolymer bulk concentration. The non-equivalence of the dependence of the adsorbed structure behaviors on the interface affinity and the length of sticky blocks was revealed as well.
- SCFT,
- Symmetrical triblock adsorption,
- Conformation
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