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Development of Algae Guard Façade Paint with Statistical Modeling under Natural Phenomena

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Institute of Chemical Engineering & Technology, University of the Punjab, Lahore 54590, Pakistan
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Muhammad Nawaz Sharif University of Engineering & Technology, Multan 66000, Pakistan
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Department of Quantitative Methods, University of Management and Technology, Lahore 54770, Pakistan
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Authors to whom correspondence should be addressed.
Coatings 2018, 8(12), 440; https://doi.org/10.3390/coatings8120440
Received: 12 September 2018 / Revised: 15 November 2018 / Accepted: 15 November 2018 / Published: 29 November 2018
Algaecides are chemicals that cause serious health problems. Conventional paints contain algaecides to improve the algae resistance on the paint film. Present research has suggested an environment-friendly paint formulation that focuses on developing algae resistance without having algaecides. In this research, algae growth on newly developed paint is modeled by incorporating dirt resistance of paint and natural phenomena including humidity, temperature, and time, respectively. The fitted Model revealed explained variation of 59.65% in the average algae growth, of which, dirt resistance, humidity, temperature, and some of their interactions play significant role in this variation. The model suggests that the proposed newly developed paint without algaecides is more resistant to algae growth and significantly decreased the average algae growth rate by 0.53% as compared to conventional paints. Keeping the effect of all other factors constant, if dirt resistance of paint (Dc value) increases by one percent, average algae growth decreases by 12.98%; when temperature increases by 1 °C, average algae growth decreases by 22.4%; a positive unit change in the joint linear effect of dirt resistance, temperature, and humidity caused a decrease in average algae growth by 0.0031%. It was also observed that the individual effect of the humidity variable was inversely related with average algae growth. However, the combination of humidity and temperature, humidity and dirt resistance, humidity and time, and the quadratic effect of humidity were found to increase the average algae growth rate. The cubic effect of temperature variable by one degree centigrade resulted in decrease of average algae growth by 0.000907%. View Full-Text
Keywords: algaecides; dirt; humidity; resistant; temperature; time algaecides; dirt; humidity; resistant; temperature; time
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Qureshi, S.A.; Shafeeq, A.; Ijaz, A.; Butt, M.M. Development of Algae Guard Façade Paint with Statistical Modeling under Natural Phenomena. Coatings 2018, 8, 440.

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