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Chemcial Industry and Engineering 2008, Vol. 25 Issue (3) :194-198    DOI:
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Preparation of SnO_2-Sb_2O_3-TiO_2 Conductive Powder and Its Electrical Conductive Coating
NI Yue-qin,XU De-shun,ZHANG Yi,LI Xiang-gao(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China)
(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China

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Abstract The composite conductive powder with titanium dioxide powder covered by SnO_2 and Sb_2O_3 was prepared by chemical coprecipitation technology.The orthographic tests showed that the optimal preparation condition is m(TiO_2)∶m(SnCl_4)∶m(SbCl_3)=25∶15∶1,pH=1.5,hydrolysis temperature is 60 ℃ and calcinations temperature of the coprecipitation product is 700 ℃,the volumetric electrical resistivity of the powder is 77 Ω·cm with size below 200 nm.Conductive coating was then prepared on aluminum alloy substrate with phenolic resin as binder.The volume resistivity of the conductive coating could be below 10~8 Ω·cm,meanwhile the surface of the conductive coating was smooth without defect.
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Received 2008-05-15; published 2008-05-15
Cite this article:   
NI Yue-qin,XU De-shun,ZHANG Yi,LI Xiang-gao.Preparation of SnO_2-Sb_2O_3-TiO_2 Conductive Powder and Its Electrical Conductive Coating[J]  Chemcial Industry and Engineering, 2008,V25(3): 194-198
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