In the quest to develop sustainable materials for the coating industries, the surface coating potentials of two Nigerian local clays were evaluated in alkyd paints. The highly import-dependent coating industry in Nigeria gulps over N10b annually on materials that can be sourced locally, therefore, developing technically, and economically viable extenders for use in coatings, and thus, bringing down the cost of painting to acceptable limits in line with the sustainable development goals is very important. The local clays were analytically evaluated to study their chemical composition, structural morphology and physico-chemical properties. Alkyd paint samples were prepared using the clays, the clays containing varying amounts of TiO2 pigment and xylene as solvent. Analysis on the local clays revealed that they are inorganic silty clays, moderately acidic, and containing over 32% grains of size < 0.150 mm. The major compositions of the clays are SiO2 and Al2O3 in that order, with small amounts of TiO2 and Fe2O3. Paint sample formulated using TiO2 pigment only had the least viscosity value while the 100% Obowo clay formulated paint sample exhibited the highest viscosity value among the alkyd paint samples studied. The formulated paint samples shaded their colours on exposure to rain and sunlight, with only 100% Obowo clay paint formulation losing its adhesion after exposure. The alkyd paint dry film samples generally performed well in distilled water, 2% Na2CO3, and 2% H2SO4. The present study has demonstrated the utility of Obowo, and Ihitte-Uboma clays in formulating alkyd paints and shown they possess properties equivalent to the expensive imported extender pigments. The expectation is that these clays should find utilizations in the surface coatings industry which will help to reduce the over dependence on imported extender pigments. The clays are easy to process, stable and indigenously available.
| Published in | American Journal of Materials Synthesis and Processing (Volume 1, Issue 2) |
| DOI | 10.11648/j.ajmsp.20160102.11 |
| Page(s) | 10-20 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
Kaolin, Clays, Alkyd Paints, Sustainable Development, Extender Pigments, Coatings
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APA Style
C. M. Ewulonu, G. C. Emeh, M. C. Njoku, D. C. Ugwuegbu. (2016). Evaluating the Surface Coating Potentials of South-Eastern Nigeria Local Clays in Alkyd Paints. American Journal of Materials Synthesis and Processing, 1(2), 10-20. https://doi.org/10.11648/j.ajmsp.20160102.11
ACS Style
C. M. Ewulonu; G. C. Emeh; M. C. Njoku; D. C. Ugwuegbu. Evaluating the Surface Coating Potentials of South-Eastern Nigeria Local Clays in Alkyd Paints. Am. J. Mater. Synth. Process. 2016, 1(2), 10-20. doi: 10.11648/j.ajmsp.20160102.11
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Download@article{10.11648/j.ajmsp.20160102.11,
author = {C. M. Ewulonu and G. C. Emeh and M. C. Njoku and D. C. Ugwuegbu},
title = {Evaluating the Surface Coating Potentials of South-Eastern Nigeria Local Clays in Alkyd Paints},
journal = {American Journal of Materials Synthesis and Processing},
volume = {1},
number = {2},
pages = {10-20},
doi = {10.11648/j.ajmsp.20160102.11},
url = {https://doi.org/10.11648/j.ajmsp.20160102.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmsp.20160102.11},
abstract = {In the quest to develop sustainable materials for the coating industries, the surface coating potentials of two Nigerian local clays were evaluated in alkyd paints. The highly import-dependent coating industry in Nigeria gulps over N10b annually on materials that can be sourced locally, therefore, developing technically, and economically viable extenders for use in coatings, and thus, bringing down the cost of painting to acceptable limits in line with the sustainable development goals is very important. The local clays were analytically evaluated to study their chemical composition, structural morphology and physico-chemical properties. Alkyd paint samples were prepared using the clays, the clays containing varying amounts of TiO2 pigment and xylene as solvent. Analysis on the local clays revealed that they are inorganic silty clays, moderately acidic, and containing over 32% grains of size 2 and Al2O3 in that order, with small amounts of TiO2 and Fe2O3. Paint sample formulated using TiO2 pigment only had the least viscosity value while the 100% Obowo clay formulated paint sample exhibited the highest viscosity value among the alkyd paint samples studied. The formulated paint samples shaded their colours on exposure to rain and sunlight, with only 100% Obowo clay paint formulation losing its adhesion after exposure. The alkyd paint dry film samples generally performed well in distilled water, 2% Na2CO3, and 2% H2SO4. The present study has demonstrated the utility of Obowo, and Ihitte-Uboma clays in formulating alkyd paints and shown they possess properties equivalent to the expensive imported extender pigments. The expectation is that these clays should find utilizations in the surface coatings industry which will help to reduce the over dependence on imported extender pigments. The clays are easy to process, stable and indigenously available.},
year = {2016}
}
TY - JOUR T1 - Evaluating the Surface Coating Potentials of South-Eastern Nigeria Local Clays in Alkyd Paints AU - C. M. Ewulonu AU - G. C. Emeh AU - M. C. Njoku AU - D. C. Ugwuegbu Y1 - 2016/08/21 PY - 2016 N1 - https://doi.org/10.11648/j.ajmsp.20160102.11 DO - 10.11648/j.ajmsp.20160102.11 T2 - American Journal of Materials Synthesis and Processing JF - American Journal of Materials Synthesis and Processing JO - American Journal of Materials Synthesis and Processing SP - 10 EP - 20 PB - Science Publishing Group SN - 2575-1530 UR - https://doi.org/10.11648/j.ajmsp.20160102.11 AB - In the quest to develop sustainable materials for the coating industries, the surface coating potentials of two Nigerian local clays were evaluated in alkyd paints. The highly import-dependent coating industry in Nigeria gulps over N10b annually on materials that can be sourced locally, therefore, developing technically, and economically viable extenders for use in coatings, and thus, bringing down the cost of painting to acceptable limits in line with the sustainable development goals is very important. The local clays were analytically evaluated to study their chemical composition, structural morphology and physico-chemical properties. Alkyd paint samples were prepared using the clays, the clays containing varying amounts of TiO2 pigment and xylene as solvent. Analysis on the local clays revealed that they are inorganic silty clays, moderately acidic, and containing over 32% grains of size 2 and Al2O3 in that order, with small amounts of TiO2 and Fe2O3. Paint sample formulated using TiO2 pigment only had the least viscosity value while the 100% Obowo clay formulated paint sample exhibited the highest viscosity value among the alkyd paint samples studied. The formulated paint samples shaded their colours on exposure to rain and sunlight, with only 100% Obowo clay paint formulation losing its adhesion after exposure. The alkyd paint dry film samples generally performed well in distilled water, 2% Na2CO3, and 2% H2SO4. The present study has demonstrated the utility of Obowo, and Ihitte-Uboma clays in formulating alkyd paints and shown they possess properties equivalent to the expensive imported extender pigments. The expectation is that these clays should find utilizations in the surface coatings industry which will help to reduce the over dependence on imported extender pigments. The clays are easy to process, stable and indigenously available. VL - 1 IS - 2 ER -
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