Jiangsu KFCC New Material Co.

China

Jiangsu KFCC New Material Co.

China

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Fu G.,Beijing University of Chemical Technology | Xie S.,Beijing University of Chemical Technology | Xiang W.,Beijing University of Chemical Technology | Xu R.,Beijing University of Chemical Technology | And 6 more authors.
ICMREE 2013 - Proceedings: 2013 International Conference on Materials for Renewable Energy and Environment | Year: 2013

In this paper, highly photocatalytic activity of nano-TiO2 modified fluorocarbon paint for formaldehyde degradation has been successfully prepared. The nano-TiO2 was prepared in sol-gel process and the TEM of the sample shows the mean diameters of nano-TiO2 particles are less than 10nm. The photoluminescence (PL) spectrum shows a sharp peak at 502nm under the excitation source of 493nm. After modified by surface active agent monolaurin with an HLB value of 5.2, the nano-TiO2 can be added into fluorocarbon paint successfully. The efficiency of the formaldehyde degradation by the nano-TiO2 modified fluorocarbon paint is 95.0% under natural light irradiation while the mechanical properties can meet the actual application requirements. So the problem of formaldehyde organic pollutants produced during decoration can be managed from its source and it has the effect of health, energy saving, and air purification. © 2013 IEEE.


Xie S.,Beijing University of Chemical Technology | Fu G.,Beijing University of Chemical Technology | Xu R.,Jiangsu KFCC New Material Co. | Ma Z.,Jiangsu KFCC New Material Co. | And 4 more authors.
Beijing Huagong Daxue Xuebao (Ziran Kexueban)/Journal of Beijing University of Chemical Technology (Natural Science Edition) | Year: 2011

The preparation of a nano titanium dioxide modified epoxy zinc-rich coating and its corrosion protection performance with weathering resistant steel is described. The nano titanium dioxide modified epoxy zinc-rich coating was prepared by mechanical agitation with nano titanium dioxide as a functional filler. The nano titanium dioxide modified epoxy zinc-rich coating and an epoxy zinc-rich coating were separately coated on the surface of weathering resistant steel by a spray-coating method. The corrosion resistance of the weathering resistant steel was evaluated by monitoring the potentiodynamic polarization behaviour in NaCl electrolyte solution, and a metallurgical microscope was used to analyze the surface corrosion morphology before and after humid heat tests. Due to the photoelectric conversion properties of nano titanium dioxide, the nano titanium dioxide modified epoxy zinc-rich coating showed better performance. The results showed that after being coated with the nano titanium dioxide modified epoxy zinc-rich coating, the weathering resistant steel displayed a lower corrosion current and a smaller extent of corrosion than when coated with the unmodified epoxy zinc-rich coating.

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