2D and 3D alkaline earth metal carboxyphosphonate hybrids: Anti-corrosion coatings for metal surfaces

被引：39
作者：
Demadis, Konstantinos D. [1 ]
Papadaki, Maria [1 ]
Raptis, Raphael G. [2 ]
Zhao, Hong [2 ]
机构：
[1] Univ Crete, Dept Chem, Crystal Engn Growth & Design Lab, GR-71003 Iraklion, Crete, Greece
[2] Univ Puerto Rico, Dept Chem, San Juan, PR 00931 USA
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2008年 / 181卷 / 03期
关键词：
phosphonates; phosphonocarboxylates; corrosion; inhibition; inorganic-organic hybrids; alkaline earth metals;
D O I：
10.1016/j.jssc.2007.12.034
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Reactions of Mg2+ (1), Ca2+ (2), Sr2+ (3), or Ba2+ (4) salts with hydroxyphosphonoacetic acid (HPAA) at a 1: 1 ratio yield M-HPAA layered coordination polymers. The crystal structures of 3 (two phases) and 4 have been determined by single crystal X-ray crystallography. Both stereoisomers (R and S) of HPAA are incorporated in the metal-HPAA materials. Synergistic combinations of Sr2+ or Ba2+ and HPAA at pH 7.3 are effective corrosion inhibitors for carbon steel, but are ineffective at pH 2.0. (C) 2008 Elsevier Inc. All rights reserved.
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收藏
页码：679 / 683
页数：5
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