Emulsion Interfacial Synthesis of Polymer/Inorganic Janus Particles

We report a method to prepare polymer/inorganic Janus particles by transferring self-assembled membranes of copolymers such as PS- b-PAA at an emulsion interface when the amine-capped particles such as paramagnetic Fe3O4SiO2 core/shell particles are preferentially adsorbed by specific interactions....

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 35(2019), 18 vom: 07. Mai, Seite 6032-6038
1. Verfasser: Chen, Xi (VerfasserIn)
Weitere Verfasser: Xu, Jingjing, Sun, Dayin, Jiang, Bingyin, Liang, Fuxin, Yang, Zhenzhong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a We report a method to prepare polymer/inorganic Janus particles by transferring self-assembled membranes of copolymers such as PS- b-PAA at an emulsion interface when the amine-capped particles such as paramagnetic Fe3O4SiO2 core/shell particles are preferentially adsorbed by specific interactions. While the particles are protected, the exposed side can be further modified to conjugate aldehyde-capped polyethylene oxide (PEO). Both connections become robust by covalent bonds. The hydrophilic PEO and hydrophobic PS chains are distinctly compartmentalized onto the opposite sides of the Fe3O4@SiO2 particles. As a magnetic responsive solid surfactant, the stabilized emulsions can be driven with a magnet for directional movement and coalescence with increasing magnetic strength. This method can be extended to other Janus particles with tunable organic materials and solid particles 
650 4 |a Journal Article 
700 1 |a Xu, Jingjing  |e verfasserin  |4 aut 
700 1 |a Sun, Dayin  |e verfasserin  |4 aut 
700 1 |a Jiang, Bingyin  |e verfasserin  |4 aut 
700 1 |a Liang, Fuxin  |e verfasserin  |4 aut 
700 1 |a Yang, Zhenzhong  |e verfasserin  |4 aut 
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