Preprint Article Version 1 This version is not peer-reviewed

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

Version 1 : Received: 12 September 2018 / Approved: 25 September 2018 / Online: 25 September 2018 (03:45:11 CEST)

A peer-reviewed article of this Preprint also exists.

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. 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.

Journal reference: Coatings 2018, 8, 440
DOI: 10.3390/coatings8120440

Abstract

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 environmental 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 and temperature and some of their interactions play significant role in this variation. Model suggests that the proposed newly developed paint without algaecides is more resilient 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 1oC, average algae growth decreases by 22.4%; a positive unit change in the joint linear effect dirt resistance, temperature and humidity caused a decrease in average algae growth by 0.0031%. It was also observed that the individual effect of 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%.

Subject Areas

algaecides; dirt; humidity; resilience; temperature; time

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