Narrow-disperse Highly Cross-linked "Living" Polymer Microspheres by Two-stage Precipitation Polymerization

Ying Liu; Di Wu; Kun Zhang; Xiao-shuang Yin; Wen-zhong Yang

doi:10.1007/s10118-015-1595-1

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Narrow-disperse Highly Cross-linked "Living" Polymer Microspheres by Two-stage Precipitation Polymerization

PAPER | Updated：2021-06-21

- Narrow-disperse Highly Cross-linked "Living" Polymer Microspheres by Two-stage Precipitation Polymerization
- Chinese Journal of Polymer Science Vol. 33, Issue 3, Pages: 422-432(2015)
- Affiliations：
  
  School of Science, Nanjing University of Technology, Nanjing 210009, China
- Author bio：
  
  *Wen-zhong Yang (杨文忠), E-mail: yangwz@njtech.edu.cn
- Funds：
- DOI：10.1007/s10118-015-1595-1
  CLC：
- Received：29 May 2014，
  
  Revised：2014-07-23，
  
  Accepted：19 August 2014，
  
  Published：2015-03
- Accepted：
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Ying Liu, Di Wu, Kun Zhang, et al. Narrow-disperse Highly Cross-linked "Living" Polymer Microspheres by Two-stage Precipitation Polymerization[J]. Chinese Journal of Polymer Science, 2015, 33(3): 422-432.
DOI：

Ying Liu, Di Wu, Kun Zhang, et al. Narrow-disperse Highly Cross-linked "Living" Polymer Microspheres by Two-stage Precipitation Polymerization[J]. Chinese Journal of Polymer Science, 2015, 33(3): 422-432. DOI： 10.1007/s10118-015-1595-1.

摘要

Abstract

Narrow-disperse

surface-functionalized "living" polymer microspheres with uniformly cross-linked structures were prepared by two-stage precipitation copolymerization of styrene and divinylbenzene. The two-stage precipitation polymerization is composed of an initial conventional precipitation polymerization for the nucleation followed by a reverse atom transfer radical polymerization (reverse ATRP) for the controlled polymerization process. The polymerization parameters (including reaction time for the first stage

AIBN amount and monomer loading) have been studied to show significant influences on the morphologies. Moreover

narrower size distribution and an ATRP initiator-functional surface of resulting particles can be obtained by applying reverse ATRP to conventional precipitation polymerization in the second stage. Furthermore

the "livingness" of the resulting polymer microspheres was testified by their surface modification of poly[2-(dimethylamino) ethyl methacrylate] (PDMAEMA) brushes via surface-initiated ATRP (SI-ATRP).

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Special Topic: Chirality in Polymers

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