Rheology of cosmetics formulations 0600-S1-ChK-RFK
Lecture:
1. Introduction to rheology: overview of basic terms i.e.: deformation, stress, shear stress, shear rate, dynamic viscosity, kinematic viscosity, apparent viscosity.
2. Newton’s law.
3. Rheological models.
4. Newtonian fluids.
5. Characterization and division of non-Newtonian fluids.
6. Influence of temperature on rheological properties (Arrhenius-Guzman equation).
7. Rheometers and other measurement methods.
8. Application of rheology.
9. Rheological properties of the raw materials and cosmetic products.
10. Rheology modifiers – characterization and division.
Laboratory:
1. Characteristic of rheological properties of shampoo.
2. Determination of the influence of temperature on the dynamic viscosity for the glycol solution by using Höppler viscometer.
3. Determination of the viscosity of the glycerol solution of different concentrations by means of Ubbelohde viscometer.
4. Determination of kinematic viscosity of different components by using flow cup viscometer.
5. Characteristic of rheological properties of different cosmetic components.
6. The influence of temperature on the viscosity of liquid soap by means of flow cup viscometer.
Total student workload
Learning outcomes - knowledge
Learning outcomes - skills
Learning outcomes - social competencies
Teaching methods
Expository teaching methods
- informative (conventional) lecture
- problem-based lecture
Online teaching methods
- games and simulations
- content-presentation-oriented methods
Type of course
Prerequisites
Course coordinators
Assessment criteria
Assessment methods:
- written examination – W1-W5,
- laboratory - submission of reports from the conducted exercises - U1-U5
Assessment criteria:
fail- below 50%
satisfactory- 51-60%
satisfactory plus- 61-65%
good – 66-76%
good plus- 77-80%
very good- 81-100%
Bibliography
A.H.P. Skelland, Non-Newtonian flow and heat transfer, Wiley, New York, 1967.
W.L. Wilkinson, Ciecze nienewtonowski, WNT, Warszawa 1963.
P.W. Atkins, Podstawy chemii fizycznej, PWN, Warszawa, 2001.
J. Ferguson, Z. Kembłowski, Reologia stosowana płynów, wyd. Marcus sc, Łódź, 1995.
Additional information
Additional information (registration calendar, class conductors, localization and schedules of classes), might be available in the USOSweb system: