Preprint Article Version 1 This version is not peer-reviewed

Development and Statistical Modeling of Dirt Resistive Latex Façade Paint

Version 1 : Received: 6 January 2019 / Approved: 8 January 2019 / Online: 8 January 2019 (15:34:45 CET)

A peer-reviewed article of this Preprint also exists.

Ahmed Qureshi, S.; Shafeeq, A.; Ijaz, A.; Moeen Butt, M. Development and Regression Modeling of Dirt Resistive Latex Façade Paint. Coatings 2019, 9, 150. Ahmed Qureshi, S.; Shafeeq, A.; Ijaz, A.; Moeen Butt, M. Development and Regression Modeling of Dirt Resistive Latex Façade Paint. Coatings 2019, 9, 150.

Journal reference: Coatings 2019, 9, 150
DOI: 10.3390/coatings9030150

Abstract

A highly dirt resistant paint for building facades without chemicals harmful to nature and environment, is developed which resolves the unattractive disfigurement of building walls caused by dirt. The experimentation is scientifically and statistically planned with the aid of computer programming. It consists of a sequence of phases which include the selection of appropriate raw materials, adopting of Basic Language computer programming to generate a target population of paint formulations. The average PVC percentage is computed using theory and found to be 54.98% for the target population of 543143 paint formulations hence verifies the literature results. Experimentation and statistical analysis are performed to compare the classical conventional agitator with latest lab equipment like Nano mill and it is concluded that Nano mill performs better on the average than conventional agitator in preparation of paint formulations. Hence the sample of paint formulations is prepared on Nano mill and tested in laboratory using advanced available technology for the analysis and comparison of paint properties to determine the best paint formulation. The results are analyzed using Analysis Of Variance Technique (ANOVA) and it is concluded that the paint formulation named “O3” has the highest dirt resistance on the average. The final selected formula O3 is compared with three other competitor paints in market under natural environment for a period of almost one year. A regression model is also constructed to study the effect of environmental factors like time, temperature and humidity on dirt resistance of paints. It is found that O3 formulation is the best environment friendly which performs equally well with one competitor paint and has higher dirt resistance than two other competitor paint formulations containing harmful chemicals. The regression model of dirt resistance on variables including time, temperature and humidity shows that these factors are significantly affecting the dirt resistance of a given paint at 5% level of significance. 95.34% variation in the dirt resistance of a given paint is due to and explained by the given factors. The regression model is useful to predict the average dirt resistance of a given paint with a certain level of confidence. The project exemplifies the work of an applied research from conceptualization to successful commercialization for the paint industry.

Subject Areas

agitator; dirt; humidity; nano mill; temperature; time

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