Science. Business. Society.
Vol. 5 (2020), Issue 3, pg(s) 89-91

SCIENCE

Investigation of lipstick properties using statistical methods

  • 1 University of Chemical Technology and Metallurgy, Bulgaria
  • 2 Sofia University “St. Kliment Ohridski”, Bulgaria
  • 3 Institute of Electronics, Bulgarian Academy of Sciences, Bulgaria

Abstract

The rheological non-destructive oscillation testing is conducted in order to predict and quantify the samples’ properties of the commercial brand lipstick. The influence of the variation of the process parameters temperature, phase angle and strain are investigated. Regression models for the dependencies of the rheological and thermal properties (elastic modulus and shear stress) from the described process parameters are estimated, based on 681 experimental data in the temperature region from 26.9 °C to 74.7 °C.

Keywords

References

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