Effect of incorporating TiO2 on the corrosion inhibition behaviour of poly(butadiene-coacrylonitrile)-polyaniline dodecylbenzenesulphonate (NBR-PAni.DBSA) blends


Citation

Yong K. C., . Effect of incorporating TiO2 on the corrosion inhibition behaviour of poly(butadiene-coacrylonitrile)-polyaniline dodecylbenzenesulphonate (NBR-PAni.DBSA) blends. pp. 190-201. ISSN 1511-1768

Abstract

A pre-optimised poly(butadiene-co-acrylonitrile)-polyaniline dodecylbenzenesulphonate (NBR-PAni.DBSA) blend with useful electrical conductivity (in the region of 10“3 S.cm“1) was prepared and the effect of incorporation of titanium oxide (TiO2) on its corrosion inhibition behaviour for carbon steel was successfully assessed for the first time. It was found that the electrical conductivity of this blend can be enhanced up to a magnitude order for TiO2 loadings 20.0-22.5 wt . As found from both total immersion and electrochemical corrosion tests NBR-PAni.DBSA blends with 20.0-22.5 wt of TiO2 are deemed to be the best corrosion inhibitor for carbon steel either in acid or artificial brine environment. However a blend consisting of very high TiO2 content (i.e. 25.0 wt ) showed a significant poorer corrosion inhibition behaviour for carbon steel due to its more serious phase separation and porosity problem between the NBR host matrix and TiO2


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Abstract

A pre-optimised poly(butadiene-co-acrylonitrile)-polyaniline dodecylbenzenesulphonate (NBR-PAni.DBSA) blend with useful electrical conductivity (in the region of 10“3 S.cm“1) was prepared and the effect of incorporation of titanium oxide (TiO2) on its corrosion inhibition behaviour for carbon steel was successfully assessed for the first time. It was found that the electrical conductivity of this blend can be enhanced up to a magnitude order for TiO2 loadings 20.0-22.5 wt . As found from both total immersion and electrochemical corrosion tests NBR-PAni.DBSA blends with 20.0-22.5 wt of TiO2 are deemed to be the best corrosion inhibitor for carbon steel either in acid or artificial brine environment. However a blend consisting of very high TiO2 content (i.e. 25.0 wt ) showed a significant poorer corrosion inhibition behaviour for carbon steel due to its more serious phase separation and porosity problem between the NBR host matrix and TiO2

Additional Metadata

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Item Type: Article
AGROVOC Term: Corrosion
AGROVOC Term: Inhibition
AGROVOC Term: Rubber
AGROVOC Term: Chemicophysical properties
AGROVOC Term: Filtration
AGROVOC Term: Distilled water
AGROVOC Term: Coating
AGROVOC Term: Methanol
AGROVOC Term: Electrical resistance
AGROVOC Term: Electron microscopy
Depositing User: Ms. Suzila Mohamad Kasim
Last Modified: 24 Apr 2025 06:28
URI: http://webagris.upm.edu.my/id/eprint/23655

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