Preparation and Characterization of Inorganic Zinc-Rich Coatings Based on Geopolymers

Xin Feng Li; Xue Min Cui; Si Dong Liu; Bing Hui Mo; Li Cui

doi:10.4028/www.scientific.net/KEM.537.261

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Study on Special Morphology Hydroxyapatite Bioactive Coating by Electrochemical Deposition
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Preparation and Characterization of Inorganic Zinc-Rich Coatings Based on Geopolymers
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 537Preparation and Characterization of Inorganic...

Preparation and Characterization of Inorganic Zinc-Rich Coatings Based on Geopolymers

Abstract:

In this work, a high performance, environmentally friendly and waterborne inorganic zinc-rich coating based on geopolymer was developed and applied as protective coating of steel substrate. The geopolymer was the main ingredient of the zinc-rich paint (ZRP), and the zinc powder and additives were added to geopolymer to prepare ZRP. The corrosion protection behaviors of ZRP with different kinds of zinc powder and various zinc contents were characterized by electrochemical protection performance test. The results showed that coatings with 55 wt% spherical zinc powder and 25 wt% lamellar zinc powder exhibited good corrosion resistance mainly because of the cathodic protection and barrier effect.

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Periodical:

Key Engineering Materials (Volume 537)

Pages:

261-264

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.537.261

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Online since:

January 2013

Authors:

Xin Feng Li, Xue Min Cui, Si Dong Liu, Bing Hui Mo, Li Cui

Keywords:

Coating, Corrosion, Geopolymer, Paint, Pigment, Zinc

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