Issue 3, 2017, Issue in Progress
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RSC Advances

3-Dimensional stable polyelectrolyte hollow capsules: preparation and spontaneous encapsulation†

Y. D. Chen,a   J. J. Xu,a   Y. Wang,a   H. Chen,*a   Q. J. Luo,*b   X. D. Lia  and  W. P. Zhuc  

* Corresponding authors

a Affiliated Stomatology Hospital, College of Medicine, Zhejiang University, Hangzhou, China
E-mail: huic66@hotmail.com

b The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, P. R. China
E-mail: luoqiaojie@zju.edu.cn

c MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China

Abstract

In this study, by alternatively depositing a poly(styrene)-co-poly(acrylic acid)/poly(allylamine hydrochloride) multilayer on the poly(styrene sulfonate sodium) hybrid CaCO3 spherical templates, a series of size-controlled and low-dispersed polyelectrolyte capsules were obtained after the removal of hybrid templates. These polyelectrolyte capsules can retain their 3-dimensional spheric shape after being dried at room temperature. Through investigating the structure and key factors for the formation of novel capsules, formation mechanism of the 3-dimensional stable capsule wall was discussed. Further investigation showed that the dry capsules could spontaneously entrap water-soluble positively charged substances from the bulk solution into the capsule interior, just like the wet capsules.

Graphical abstract: 3-Dimensional stable polyelectrolyte hollow capsules: preparation and spontaneous encapsulation

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Article information

DOI
https://doi.org/10.1039/C6RA25613A
Article type
Paper
Submitted
21 Oct 2016
Accepted
24 Nov 2016
First published
05 Jan 2017
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2017,7, 1260-1265

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3-Dimensional stable polyelectrolyte hollow capsules: preparation and spontaneous encapsulation

Y. D. Chen, J. J. Xu, Y. Wang, H. Chen, Q. J. Luo, X. D. Li and W. P. Zhu, RSC Adv., 2017, 7, 1260 DOI: 10.1039/C6RA25613A

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