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Corrosion protection of carbon steel using polyaniline composite with inorganic pigments

Ahmed Al-Dulaimi, Ahmed A. and Hashim, Shahrir and Khan, Mohammed Ilyas (2011) Corrosion protection of carbon steel using polyaniline composite with inorganic pigments. Sains Malaysiana, 40 (7). pp. 757-763. ISSN 0126-6039

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Official URL: http://www.ukm.my/jsm/pdf_files/SM-PDF-40-7-2011/1...


Two inorganic pigments (TiO2 and SiO2) were used to prepare composites with polyaniline (PANI) by situ polymerization method. PANI and PANI composites with SiO2and TiO2 were characterized using Fourier transform infrared spectroscopy and X-ray diffraction. The morphology of the synthesized pigments (PANI, PANI-SiO2 and PANI-TiO2) was examined using scanning electron microscopy. Samples were then used as pigments through blending them with acrylic paint and applied on the surface of carbon steel panels. Corrosion was evaluated for coating of carbon steel panels through full immersion test up to standard ASTMG 31. Mass loss was calculated after they have been exposed in acidic media. A digital camera was also used for monitoring corrosion visually on the surface of carbon steel specimens. The results revealed that acrylic paint pigmented by PANI-SiO2 composite was more efficient in corrosion protection for carbon steel compared with the other synthesized pigments.

Item Type:Article
Uncontrolled Keywords:composite pigments, corrosion protection, polyaniline
Subjects:Q Science > QD Chemistry
Divisions:Chemical and Natural Resources Engineering
ID Code:28843
Deposited By: Yanti Mohd Shah
Deposited On:29 Nov 2012 07:22
Last Modified:28 Jan 2019 03:46

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