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Effect of a Surfactant in Microcapsule Synthesis on Self-Healing Behavior of Capsule Embedded Polymeric Films

Department of Applied Chemistry, Dongduk Women’s University, Seoul 02748, Korea
Hazards Monitoring Bionano Research Center, Korea Research Institute of Bioscience & Biotechnology (KRIBB) 125 Gwahak-Ro, Yuseong-Gu, Daejeon 34141, Korea
Nanobiotechnology (Major), University of Science & Technology (UST) 125 Gwahak-Ro, Yuseong-Gu, Daejeon 34141, Korea
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Polymers 2018, 10(6), 675;
Received: 11 May 2018 / Revised: 13 June 2018 / Accepted: 13 June 2018 / Published: 17 June 2018
(This article belongs to the Special Issue Polymer Hybrid Materials)
PDF [4032 KB, uploaded 19 June 2018]


Recently, there has been increased interest in self-healing membranes containing functional microcapsules in relation to challenges involving water treatment membranes. In this study, a self-healing membrane has been prepared by incorporating microcapsules with a polyurethane (PU) shell and a diisocyanate core in a poly(ether sulfone) (PES) membrane. Depending on the characteristics of the microcapsule, to precisely quantify the self-healing behavior and performance of the produced microcapsule embedded membranes, it is important to understand the effect of a used surfactant on microcapsule synthesis. It is noteworthy that mixed surfactants have been employed to control and tailor the size and morphology of microcapsules during the synthetic process, and the surfactant system employed was one of the most dominant parameters for affecting the healing capability of microcapsule embedded membranes. Various techniques including microscopy (optical and electron), thermal analyses (DSC and TGA), and water flux measurements have been employed. This article provides essential and important information for future research into the subtle relation between microcapsule properties with varied synthetic parameters and the self-healing behavior of membrane. View Full-Text
Keywords: self-healing membrane; microcapsule; surfactant; polyurethane; water treatment self-healing membrane; microcapsule; surfactant; polyurethane; water treatment

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Lee, J.; Park, S.J.; Park, C.-S.; Kwon, O.S.; Chung, S.Y.; Shim, J.; Lee, C.-S.; Bae, J. Effect of a Surfactant in Microcapsule Synthesis on Self-Healing Behavior of Capsule Embedded Polymeric Films. Polymers 2018, 10, 675.

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