Bioinspired Polydopamine/Polyzwitterion Coatings for Underwater Anti-Oil and -Freezing Surfaces

Langmuir : the ACS Journal of Surfaces and Colloids
Meng-Qi MaZhi-Kang Xu

Abstract

Zwitterionic polymers are continually suggested as promising alternatives to tune the surface/interface properties of materials in many fields because of their unique molecular structures. Tremendous efforts have been devoted to immobilizing zwitterionic polymers (polyzwitterions, PZIs) on the material surfaces. However, these efforts usually suffer from cumbersome and time-consuming procedures. Herein we report a one-step strategy to facilely achieve the bioinspired polydopamine/polyzwitterion (PDA/PZI) coatings on various substrates. It requires only 30 min to form PDA/PZI coatings by mixing oxidant, dopamine, and zwitterionic monomers, including carboxybetaine methacrylate (CBMA), sulfobetaine methacrylate (SBMA), and 2-methacryloxyethyl phosphorylcholine (MPC). These bioinspired coatings display multifunctional properties such as underwater antioil-adhesion and antifreezing thanks to their high hydrophilicity and underwater superoleophobicity. The coatings even show the antiadhesion property for crude oil with high viscosity. Therefore, the PDA/PZI-coated meshes are efficient for separating both light oil and crude oil from oil/water mixtures. All these results demonstrate that the one-step strategy is a facile approach to ...Continue Reading

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Jan 18, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·Chao ZhangZhi-Kang Xu
Sep 13, 2017·ACS Applied Materials & Interfaces·Chao ZhangZhi-Kang Xu

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Citations

Feb 25, 2020·Drug Delivery·Chunyun WangShiyong Song
Jun 9, 2020·Chemistry, an Asian Journal·Minglun LiJing Yu
May 13, 2020·Chemical Society Reviews·Chao ZhangZuankai Wang
Jun 9, 2020·Langmuir : the ACS Journal of Surfaces and Colloids·Yuan XiangYongsheng Leng
May 28, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Qiangbing WeiFeng Zhou
Sep 10, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Daiki IharaAtsushi Takahara

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