Article

Vapour phase corrosion inhibitors from South African renewable resources and their evaluation

DOI:Vuorinen, E, Focke, W and Rigo, T. 2006. Vapour phase corrosion inhibitors from South African renewable resources and their evaluation. CSIR Research and Innovation Conference: 1st CSIR Biennial Conference, CSIR International Convention Centre Pretoria, 27-28 February 2006, pp1
Source: OAI

ABSTRACT CSIR Research and Innovation Conference: 1st CSIR Biennial Conference, CSIR International Convention Centre Pretoria, 27-28 February 2006 A vapour-phase corrosion inhibitor (VCI) needs to be a volatile compound or a mixture of compounds. It reaches the surfaces that need to be protected from corrosion via the vapour phase and forms a relatively stable bond at the interface of the metal. Furfural and furfural derivatives were reacted with different amines to produce potential VCIs. The products were evaluated using a humidity chamber method. A suitable vapour pressure is a requirement for a VCI. Conventional vapour-pressure measurement methods require specialised instruments and are labour-intensive. Thermal analysis techniques, such as thermogravimetry (TG), provide a simple experimental set-up. TG also allows rapid and convenient estimation, using small amounts of substances

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Keywords

1st CSIR Biennial Conference
 
compounds
 
convenient estimation
 
Conventional vapour-pressure measurement methods
 
CSIR International Convention Centre Pretoria
 
CSIR Research
 
forms
 
Furfural
 
furfural derivatives
 
humidity chamber method
 
simple experimental set-up
 
specialised instruments
 
stable bond
 
substances
 
suitable vapour pressure
 
TG
 
Thermal analysis techniques
 
volatile compound