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This study was conducted to study the effect of extracted silica content in polyaniline silica composite towards corrosion protection of mild steel in 2 M hydrochloric acid. The silica was extracted from paddy husk by incineration method at 800ºC for 5 hours in a muffle furnace. The white ash formed was then treated with NaOH to obtain trisilicate, which was then treated further with H2SO4 to obtain silica precipitate on the top of the solution. Polyaniline (PANI) was prepared by in situ polymerizations of aniline, HCl and potassium dichromate. The polyaniline silica composite (PSC) was prepared by adding the extracted silica, weighing 0.2g (PSC 0.2), 0.4g (PSC 0.4) and 0.6 g (PSC 0.6), into the synthesized PANI. The extracted silica, PANI and PSC 0.6, were characterized by FTIR analysis. The presence of extracted silica is supported by the FTIR analysis. The corrosion protection performance of PANI, PSC 0.2, PSC 0.4 and PSC 0.6 was then compared by immersing the bare mild steel, mild steel coated with PANI and mild steel coated with PSC 0.2, PSC 0.4, and PSC 0.6 in 2 M HCl for 24 hours. The weight loss method was used in this study to investigate the corrosion behaviour of the samples. PCS 0.6 revealed the lowest corrosion rate, which was 0.95 g. The corrosion protection of PSC coating increases directly proportional to the silica contents in PSC. The temperature study showed as the temperature increased, the corrosion rate will also be increased. This occurred due to the rise of kinetic energy as a higher temperature was used. PSC 0.6 showed the best protection even at a high temperature compared to other samples. FESEM analysis was also conducted to observe the surface properties of the sample when immersed in HCl solution.
Bescher, E., & Mackenzie, J. D. (2003). Sol-gel coatings for the protection of brass and bronze. Journal of Sol-Gel Science and Technology, 26(1–3), 1223–1226.
Dulaimi, A. A., Hashim, S., & Khan, M. I. (2011). Corrosion protection of carbon steel using polyaniline composite with inorganic pigments. Sains Malaysiana, 40(7), 757–763.
Chandrasekhar, S., Satyanarayana, K. G., Pramada, P. N., Raghavan, P. (2003). Review processing, properties and applications silica from rice husk. Journal of Materials Science, 38, 3159–3168.
Chandrasekhar, S., Pramada, P. N., & Majeed, J. (2006). Effect of calcination temperature and heating rate on the optical properties and reactivity of rice husk ash. Journal of Materials Science, 41(23), 7926–7933.
Costa, J., A., S., and Paranhos, C., M. (2018). Systematic evaluation of amorphous silica production from rice husk ashes, Journal of Cleaner Production 192, 688-697.
Fang, J., Xu, K., Zhu, L., Zhou, Z., & Tang, H. (2007). A study on mechanism of corrosion protection of polyaniline coating and its failure. Corrosion Science, 49, 4232–4242.
Kumar, S. A., Bhandari, H., Sharma, C., Khatoon, F., & Dhawan, S. K. (2013). A new smart coating of polyaniline-sio2 composite for protection of mild steel against corrosion in strong acidic medium. Polymer International, 62(8), 1192–1201.
Lei, Y., Qiu, Z., Liu, J., Li, D., Tan, N., Liu, T., Zhang, Y., Chang, X., Gu, Y., Yin, Y. (2019).
Effect of conducting polyaniline/graphene nanosheet content on the corrosion behaviour of zinc-rich epoxy primers in 3.5% NaCl Solution. (2019).Polymers,11, 1-16.
Lukasiewicz, M., Ptaszek, A., Koziel, L., Achremowicz, B., & Grzesik, M. (2007). Carboxymethylcellulose/polyaniline blends. Synthesis and properties. Polymer Bulletin, 58(1), 281–288.
Liu., W., Tian, X., Cui, P., Li, Y., Zheng, K., Yang, Ye. (2004). Preparation and characterization of PET Nanocomposites, Journal of Applied Polymer Science, 91, 1229-1232.
Motlatle, A. M., Ray, S. S., & Scriba, M. (2018). Polyaniline-clay composite-containing epoxy coating with enhanced corrosion protection and mechanical properties. Synthetic Metals, 245(April), 102–110.
Nandiyanto, A. B. D., Rahman, T., Fadhlulloh, M. A., Abdullah, A. G., Hamidah, I., & Mulyanti, B. (2016). Synthesis of silica particles from rice straw waste using a simple extraction method. IOP Conference Series: Materials Science and Engineering, 128(1).
Palaniappan, S., & Shekhar, R. C. (2004). Synthesis of 7-hydroxy-4-methyl coumarin using polyaniline supported acid catalyst. Journal of Molecular Catalysis A: Chemical, 209(1– 2), 117–124.
Palraj, S., Selvaraj, M., & Maruthan, K. (2015). Corrosion and wear resistance behavior of nano-silica epoxy composite coatings. Progress in Organic Coatings, 81, 132–139.
Real, C., Córdoba, J. M., & Alcalá, M. D. (2018). Synthesis and characterization of SiC/Si3N4composites from rice husks. Ceramics International, 44(12), 14645–14651.
Sathiyanarayanan, S., Azim, S. S., & Venkatachari, G. (2007). Corrosion protection of magnesium ZM 21 alloy with polyaniline – TiO 2 composite containing coatings. Progress in Organic Coatings, 59, 291–296.
Stambolova, I., Yordanov, S., Lakov, L., Vassilev, S., Blaskov, V., & Jivov, B. (2018). Preparation of sol-gel SiO2 coatings on steel and their corrosion resistance . MATEC Web of Conferences, 145, 05011.
Tehseen, R., Kanwal, F., Siddiqi, S. A.,Gull, N., Jamil, T., Ali, A., Batool, A., Phulpoto, Thebo, K., H. (2016). Study of conducting properties of chemically synthesized polyaniline/crystalline silica composite. International Journal of Scientific&Engineering Research, 7,513-516.
Todkar, B. S., Deorukhkar, O. A., & Deshmukh, S. M. (2016). Extraction of Silica from Rice Husk. International Journal of Engineering Research and Development, 12(3), 2278– 67.
Tyagi, V., Pandit, S., Sharma, A., & Gupta, K. R. (2017). Impact Factor: RJIF 5.14 www.foodsciencejournal.com Volume 2; Issue 4. International Journal of Food Science and Nutrition, 2(4), 50–53.
Wu, Q., Wang, Z., Xue, G. (2007). Controlling the Surface and Morphology of Monodisperse Polystyrene/Polyaniline Composite Particles. Advanced Functional Materials,17, 1784- 1789
Zhou, W., Yu, D., Min, C., Fu, Y., & Guo, X. (2009). Thermal, dielectric and mechanical properties of SiC particles filled linear low-density polyethylene composites. Journal of Applied Polymer Science, 1696-1703.
Zheng, Y., Liu, D., Georgescu, B., Xu, D., & Comaniciu, D. (2018). Deep learning based automatic segmentation of pathological kidney in CT: Local versus global image context. Advances in Computer Vision and Pattern Recognition, 27(9783319429984), 241–255.
In-Text Citation: (Tarmizi et al., 2021)
To Cite this Article: Tarmizi, A. A. A., Dali, M. N. H. M., & Mamauod, S. N. L. (2021). Effect of Coating Mild Steel with Polyaniline Added Extracted Silica from Rice Husks and Its Corrosion Behaviour in Hydrochloric Acid Solution. International Journal of Academic Research in Business and Social Sciences, 11(9), 1177–1188.
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