Polypyrrole film on 55% Al–Zn-coated steel for corrosion prevention


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/48551

Title:	Polypyrrole film on 55% Al–Zn-coated steel for corrosion prevention
Authors:	Ryu, Haku Browse this author
	Sheng, Nan Browse this author
	Ohtsuka, Toshiaki Browse this author →KAKEN DB
	Fujita, Sakae Browse this author
	Kajiyama, Hiroshi Browse this author
Keywords:	A. Aluminum
	A. Zinc
	B. EIS
	B. IR spectroscopy
	B. Raman spectroscopy
	C. Polymer coating
Issue Date:	Mar-2012
Publisher:	Elsevier
Journal Title:	Corrosion Science
Volume:	56
Start Page:	67
End Page:	77
Publisher DOI:	10.1016/j.corsci.2011.11.011
Abstract:	For corrosion protection of 55% Al–Zn-coated steel, a dense polypyrrole (PPy) film is electrochemically formed on 55% Al–Zn-coated steel in an acidic tartrate solution under constant current control. The film potentially consists of an inner layer of aluminium and/or zinc oxide and an outer PPy layer doped with tartrate anions. The PPy layer can maintain passivation of 55% Al–Zn-coated steel in a 3.5 wt.% NaCl aqueous solution and protected the steel for several hours. The doping of molybdate anions into the PPy–tartrate film greatly improved the film’s protective properties.
Type:	article (author version)
URI:	http://hdl.handle.net/2115/48551
Appears in Collections:	工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 大塚俊明

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