Synthesis of soap-free emulsion with high solid content by differential dripping RAFT polymerization-induced self-assembly

Juanjuan Wu; Chun Tian; Lifen Zhang; Zhenping Cheng; Xiulin Zhu

doi:10.1039/C6RA27290H

Synthesis of soap-free emulsion with high solid content by differential dripping RAFT polymerization-induced self-assembly

Juanjuan Wu,^a Chun Tian,^a Lifen Zhang,*^a Zhenping Cheng

*^a and Xiulin Zhu*^a

Author affiliations

* Corresponding authors

^a Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
E-mail: chengzhenping@suda.edu.cn, zhanglifen@suda.edu.cn, xlzhu@suda.edu.cn
Fax: +86-512-65882787

Abstract

Polymerization induced self-assembly (PISA) has been a facile and effective approach to prepare highly concentrated block copolymer nano-objects in situ. In this work, a soap-free emulsion with high solid content (60%) was successfully prepared in a semi-batch monomer addition manner. High monomer conversion can also be obtained by adjusting the dripping time. At first, a hydrophilic polymer, poly(poly(ethylene glycol)monomethyl ether methacrylate) (PPEGMA) was synthesized at almost complete monomer conversion in order to be used as a macroRAFT agent without any purification in the following step. Then PPEGMA was chain extended by the second monomer, methyl methacrylate (MMA), added at a very slow rate to form diblock copolymers and further self-assembled into nanoparticles in situ. The resulting latexes were very stable and the particle sizes remained at the nanoscale.

Article information

https://doi.org/10.1039/C6RA27290H

Article type

Paper

Submitted

24 Nov 2016

Accepted

09 Jan 2017

First published

10 Jan 2017

This article is Open Access

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RSC Adv., 2017,7, 6559-6564

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Synthesis of soap-free emulsion with high solid content by differential dripping RAFT polymerization-induced self-assembly

J. Wu, C. Tian, L. Zhang, Z. Cheng and X. Zhu, RSC Adv., 2017, 7, 6559 DOI: 10.1039/C6RA27290H

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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Synthesis of soap-free emulsion with high solid content by differential dripping RAFT polymerization-induced self-assembly

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Synthesis of soap-free emulsion with high solid content by differential dripping RAFT polymerization-induced self-assembly

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