SYNTHESIS OF THERMO- AND pH-SENSITIVE POLYELECTROLYTE BRUSHES BY COMBINING THERMO-CONTROLLED EMULSION POLYMERIZATION AND PHOTO-EMULSION POLYMERIZATION

Xiang Wang; Xu-hong Guo; Yan Zhu; Li Li; Shuang Wu; Rui Zhang

doi:10.1007/s10118-011-1050-x

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SYNTHESIS OF THERMO- AND pH-SENSITIVE POLYELECTROLYTE BRUSHES BY COMBINING THERMO-CONTROLLED EMULSION POLYMERIZATION AND PHOTO-EMULSION POLYMERIZATION

PAPER | Updated：2021-06-21

- SYNTHESIS OF THERMO- AND pH-SENSITIVE POLYELECTROLYTE BRUSHES BY COMBINING THERMO-CONTROLLED EMULSION POLYMERIZATION AND PHOTO-EMULSION POLYMERIZATION
- Chinese Journal of Polymer Science Vol. 29, Issue 4, Pages: 490-496(2011)
- Affiliations：
  
  State-Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
- Author bio：
  
  **Xu-hong Guo (郭旭虹), E-mail: guoxuhong@ecust.edu.cn
- Funds：
- DOI：10.1007/s10118-011-1050-x
  CLC：
- Received：23 July 2010，
  
  Revised：2010-09-03，
  
  Accepted：17 September 2010，
  
  Published：2011
- Accepted：
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Xiang Wang, Xu-hong Guo, Yan Zhu, et al. SYNTHESIS OF THERMO- AND pH-SENSITIVE POLYELECTROLYTE BRUSHES BY COMBINING THERMO-CONTROLLED EMULSION POLYMERIZATION AND PHOTO-EMULSION POLYMERIZATION[J]. Chinese Journal of Polymer Science, 2011, 29(4): 490-496.
DOI：

Xiang Wang, Xu-hong Guo, Yan Zhu, et al. SYNTHESIS OF THERMO- AND pH-SENSITIVE POLYELECTROLYTE BRUSHES BY COMBINING THERMO-CONTROLLED EMULSION POLYMERIZATION AND PHOTO-EMULSION POLYMERIZATION[J]. Chinese Journal of Polymer Science, 2011, 29(4): 490-496. DOI： 10.1007/s10118-011-1050-x.

摘要

Abstract

Bifunctional spherical polyelectrolyte brushes (SPBs) with tunable thermo- and pH-sensitivity are synthesized by combining thermo-controlled emulsion polymerization and photo-emulsion polymerization. They consist of a spherical polystyrene core and a shell of mixed brushes of poly(

-isopropylacrylamide) (PNIPAM) and poly(acrylic acid) (PAA) whose composition can be easily modulated by the dose of monomers. The kinetics of SPB synthesis as well as their size change with temperature and pH is determined by dynamic light scattering (DLS). The scanning electron microscopy (SEM) images show that the bifunctional SPBs have a defined spherical morphology with a narrow size distribution.

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