Microporous Organic Nanotube Networks from Hyper Cross-linking Core-shell Bottlebrush Copolymers for Selective Adsorption Study

Tian-Qi Wang; Yang Xu; Zi-Dong He; Ming-Hong Zhou; Kun Huang

doi:10.1007/s10118-018-2007-0

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Microporous Organic Nanotube Networks from Hyper Cross-linking Core-shell Bottlebrush Copolymers for Selective Adsorption Study

PAPERS | Updated：2021-02-18

- Microporous Organic Nanotube Networks from Hyper Cross-linking Core-shell Bottlebrush Copolymers for Selective Adsorption Study
- Chinese Journal of Polymer Science Vol. 36, Issue 1, Pages: 98-105(2018)
- Affiliations：
  
  School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
- Author bio：
  
  Kun Huang, E-mail khuang@chem.ecnu.edu.cn
- Funds：
- DOI：10.1007/s10118-018-2007-0
  CLC：
- Received：02 May 2017，
  
  Accepted：03 July 2017，
  
  Online First：27 September 2017，
  
  Published：05 January 2018
- Accepted：
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Tian-Qi Wang, Yang Xu, Zi-Dong He, et al. Microporous Organic Nanotube Networks from Hyper Cross-linking Core-shell Bottlebrush Copolymers for Selective Adsorption Study[J]. Chinese Journal of Polymer Science, 2018, 36(1): 98-105.
DOI：

Tian-Qi Wang, Yang Xu, Zi-Dong He, et al. Microporous Organic Nanotube Networks from Hyper Cross-linking Core-shell Bottlebrush Copolymers for Selective Adsorption Study[J]. Chinese Journal of Polymer Science, 2018, 36(1): 98-105. DOI： 10.1007/s10118-018-2007-0.

摘要

Abstract

We report a synthesis of microporous organic nanotube networks (MONNs) by a combination of hyper cross-linking and molecular templating of core-shell bottlebrush copolymers. The intrabrush and interbrush cross-linking of polystyrene (PS) shell layer in the core-shell bottlebrush copolymers led to the formation of micropores and large-sized nanopores (meso/macrospores) in MONNs

respectively

while selective removal of polylactide (PLA) core layer generated mesoporous tubular structure. The size of PLA-templated mesoporous cores and porous structure both at micro-and meso-scale could be controlled by simple tuning of the ratio of core/shell or the PLA core fraction in the bottlebrush precursors. Moreover

the resultant MONNs showed a highly selective adsorption capacity for the positively charged dyes on the basis of multi-porosity and carboxylate group-rich structure. In addition

MONNs also exhibited effective performance in size-selective adsorption of biomacromolecules. This work represents a new avenue for the preparation of MONNs and also provides a new application for molecular bottlebrushes in nanotechnology.

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references

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