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Polymers
Volume 10
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10.3390/polym10010059
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Article

Cross-Flow Catalysis Behavior of a PVDF/SiO2@Ag Nanoparticles Composite Membrane

by
Wenqiang Wang
1,2,
Xi Chen
1,3,*,
Chu Zhao
1,3,
Bowu Zhao
1,3,
Hualin Dong
1,3,
Shengkui Ma
1,3,
Liying Li
1,2,*,
Li Chen
1,3 and
Bin Zhang
4
1
State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Polytechnic University, Tianjin 300387, China
2
School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China
3
School of Materials Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China
4
Tianjin BeiAo Membrane Co., Ltd., Tianjin 300180, China
*
Authors to whom correspondence should be addressed.
Polymers 2018, 10(1), 59; https://doi.org/10.3390/polym10010059
Submission received: 15 December 2017 / Revised: 6 January 2018 / Accepted: 6 January 2018 / Published: 10 January 2018
(This article belongs to the Special Issue Nanoparticle-Reinforced Polymers)
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Abstract

A blend of Polyvinylidene Fluoride (PVDF) and SiO2 microspheres in N,N-Dimethylformamide (DMF) underwent phase inversion to form a PVDF/SiO2 membrane with SiO2 microspheres in the membrane’s pores. Subsequently, the SiO2 microspheres have been used as platforms for in site Ag nanoparticles (NPs) synthesis, forming a composite membrane. Benefitting from the full exposure of Ag NPs to the reactants, the composite membrane shows high catalytic reactivity when catalyzing the reduction of p-nitrophenol under a cross-flow. The catalytic reaction follows the first-order kinetics, and the reaction rate increases with an increase in the amount of Ag NPs in the membrane, the reaction temperature, and the operating pressure. What is more, highly purified products can be produced and separated from the reactants in a timely manner by using the composite membrane.
Keywords: Ag nanoparticles; catalysis; composite membrane; separation; SiO2 microspheres Ag nanoparticles; catalysis; composite membrane; separation; SiO2 microspheres
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MDPI and ACS Style

Wang, W.; Chen, X.; Zhao, C.; Zhao, B.; Dong, H.; Ma, S.; Li, L.; Chen, L.; Zhang, B. Cross-Flow Catalysis Behavior of a PVDF/SiO2@Ag Nanoparticles Composite Membrane. Polymers 2018, 10, 59. https://doi.org/10.3390/polym10010059

AMA Style

Wang W, Chen X, Zhao C, Zhao B, Dong H, Ma S, Li L, Chen L, Zhang B. Cross-Flow Catalysis Behavior of a PVDF/SiO2@Ag Nanoparticles Composite Membrane. Polymers. 2018; 10(1):59. https://doi.org/10.3390/polym10010059

Chicago/Turabian Style

Wang, Wenqiang, Xi Chen, Chu Zhao, Bowu Zhao, Hualin Dong, Shengkui Ma, Liying Li, Li Chen, and Bin Zhang. 2018. "Cross-Flow Catalysis Behavior of a PVDF/SiO2@Ag Nanoparticles Composite Membrane" Polymers 10, no. 1: 59. https://doi.org/10.3390/polym10010059

APA Style

Wang, W., Chen, X., Zhao, C., Zhao, B., Dong, H., Ma, S., Li, L., Chen, L., & Zhang, B. (2018). Cross-Flow Catalysis Behavior of a PVDF/SiO2@Ag Nanoparticles Composite Membrane. Polymers, 10(1), 59. https://doi.org/10.3390/polym10010059

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