Paper Title:
Properties of Aliphatic Polyurea Coated Concrete under Salt Fog Exposure
  Abstract

Coating protection becomes the primary and available method for the protection of marine concrete. Aliphatic polyurea is a new genre of polyurea. In the present study, the frost resistance property and adhesion property of 2 different aliphatic polyurea coated concretes under salt fog exposure were studied for the first time. The surface morphology and molecular structure of the coating under the salt fog exposure were investigated through SEM and FTIR. The investigations on the influence of the salt fog exposure to the PAE-t-HDI prepolymer-D2000H65 aliphatic polyurea (T3) coated concrete and T3 finishing coat/ MDI emulsion primer aliphatic polyurea (TM) coated concrete reported that after 300 days salt fog exposure, the relative dynamic elastic modulus of T3 and TM coated concrete were more than 85%, and their wet adhesion were 1.0 N/mm and 2.5N/mm respectively. SEM and FTIR researches showed that no obvious changes were observed in the surface morphology and structure of the coating after 200 days salt fog exposure. The results indicate that aliphatic polyurea coated concretes have favorable salt fog resistance, and are suitable for applying in marine concrete structures.

  Info
Periodical
Advanced Materials Research (Volumes 168-170)
Edited by
Lijuan Li
Pages
1010-1015
DOI
10.4028/www.scientific.net/AMR.168-170.1010
Citation
W. B. Huang, P. Lu, J. Zhang, X. M. Li, "Properties of Aliphatic Polyurea Coated Concrete under Salt Fog Exposure", Advanced Materials Research, Vols. 168-170, pp. 1010-1015, 2011
Online since
December 2010
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Ri Sheng Du, Ji Hua Peng, Xian Wen Liang, Jun Tian
Abstract:In this paper, the TiN/TiAlN duplex coatings were deposited on SKH51 tool steel by means of multi-arc ion plating. By means of SEM, Vickers...
402
Authors: Min Qi, Da Yi Yang, Jing Ying Zhang, Hong Jun Ai
Abstract:In order to improve the osteoblast growth and bacteria resistance, Zn-containing hydroxyapatite (Zn-HA) and titanium oxide (TiO2)...
367
Authors: Xin E Yan, Xiao Bei Su
Abstract:By analyzing effort factors of epoxy coating adhesion such as water absorption, acid corrosion and cycles stress, the acid carrion behaviors...
336
Authors: Daniela Pavelková, Lenka Koldová, Jitka Podjuklová, René Siostrzonek, Zdeněk Pěnička, Vladimír Menshikov
Chapter 1: Surface Topography and Coatings
Abstract:The preservation ability of coatings applied to the materials of steel products, steel structures, etc., for short-term corrosion protection...
89