Correlation of content and corrosion protection of volatile corrosion inhibitors in packaging material - regaining trust in VCI

被引：4
|
作者：
Eibl, S. [1 ]
Reiner, D. [1 ]
机构：
[1] Bundeswehr Res Inst Mat Fuels & Lubricants, D-85435 Erding, Germany
来源：
MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION | 2011年 / 62卷 / 08期
关键词：
amine; corrosion prevention; nitrite; VCI; volatile corrosion inhibitor;
D O I：
10.1002/maco.200905546
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Two representative types of commercial volatile corrosion inhibitor (VCI) packaging materials without a potential for health hazards according to TRGS 615 were investigated: a paper containing ethanol amine and a polyethylene foil containing sodium nitrite as main VCI ingredients. For a variation of VCI concentration the packaging material was thermally treated at 60-100 degrees C and the amount of VCI remaining was determined after this accelerated desorption. Additionally a nitrite-free polyethylene foil was impregnated with various amounts of sodium nitrite. Correlations of VCI content - of both the amine and nitrite - with corrosion protection of mild steel were observed. For ethanol amine a color change reaction is proposed to indicate the remaining potential of corrosion protection. This work is aimed at regaining trust in VCI technology.
引用
收藏
页码：745 / 752
页数：8
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