Abstract
The regularities of the formation of the quality of the appearance of coatings from the rheological and technological properties of colorful compositions are established. It was revealed that with an increase in the surface tension of paint , a lower quality of the appearance of the resulting coating is observed. With an increase in the porosity of the substrate, an increase in the surface roughness of the coatings is observed. A model of the appearance quality of coatings is proposed depending on the porosity of the substrate and the surface tension of the paint composition
Highlights
Coatings for finishing facades, performing aesthetic protective functions, must have a high quality appearance
A model of the appearance quality of coatings is proposed depending on the porosity of the substrate and the surface tension of the paint composition
The quality of the appearance of coatings is determined by the degree of surface preparation of the substrate, which is characterized by an index of surface porosity
Summary
Coatings for finishing facades, performing aesthetic protective functions, must have a high quality appearance. To create a model that takes into account the influence of factors that determine the quality of the appearance of coatings, various methods of experiment planning are used. In this case, as a rule, the form of the mathematical model is a complete form of the previously chosen regression equation, or its fragment, for example, a model of the form y = a1 x1 + a2 x2 ,. In the work are given are the results of the experiment and the calculation of the quality model of the appearance in the example of a polymer lime coating , depending on the surface tension of the paint and the quality of the cement substrate
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