Physicochemistry of polymers in solution 0600-S2-PP/ChP-FPR
Lecture:
1. Introduction to the physicochemistry of polymers in solution.
2. Model of the laminar flow of fluids, the internal friction coefficient of fluids.
3. Hagen-Poiseuille expression of dynamic viscosity with kinetic energy correction.
4. Viscometric constants and their determination.
5. Extrapolation methods for intrinsic viscosity determination.
6. Rate of shear gradient and its influence on viscometric measurements. Radius of gyration, root-mean-square end-to-end distance. Unperturbed dimensions.
7. Temperature and solvent composition . Molecular expansion factor. Flory-Fox equation. Universal Flory’s constant. Model of freely-rotating statistical chain. Hindered polymer chain.
8. Principles of Flory-Huggins theory.
9. Interaction parameter. Enthalpy, entropy and free energy of mixing of polymer solutions.
10. Newton's law and fluid division: Newtonian and non-Newtonian fluids.
11. Influence of temperature on viscosity. Activation energy of viscous flow.
12. Rheometry. Rheometers and other measurement methods of rheological properties of polymer fluids.
13. Polymers as rheology modifiers (substances regulating consistency).
14. Solubility parameter according to Hildebrand-Scatchard theory.
15. Hansen solubility parameter.
16. Methods for determining the solubility parameter.
Laboratory:
1. Determination of the refractive index increment (dn/dc) of water solution of poly(vinyl alcohol).
2. Determination of the solubility parametr of poly(metyl methacrylate) by nephelometric titration.
3. Solubility parameter; investigation of solubility of poly(methyl methacrylate) in mixtures of solvent and non-solvent (butane-2-on and methanol).
4. Solubility parameter; investigation of solubility of poly(methyl methacrylate) in mixtures of solvent and non-solvent (carbon tetrachloride and methanol).
5. Determination of apparent partial specific volume of poly (N-vinylpyrrolidone) by densitometric method.
6. Study of the physical properties of rheology modifiers.
7. Determination of the influence of temperature on the viscosity of polymer solutions using a Ford flow cup.
8. Determination of Ubbelohde viscometer constants.
9. Determination of LVN of polymers with the kinetic energy correction by using of Huggins, Kraemer, Heller and Schulz-Blaschke equations.
10. Determination of LVN of polyacrylamide in multigradient Ubbelohde viscometer.
11. Determination of the degree of deacetylation of chitosan by using first derivative UV-spectrometry.
12. Determination of rheological properties of solutions of selected types of starch.
Total student workload
Learning outcomes - knowledge
Learning outcomes - skills
Learning outcomes - social competencies
Teaching methods
Observation/demonstration teaching methods
Expository teaching methods
- description
- problem-based lecture
Exploratory teaching methods
- practical
- experimental
Online teaching methods
- cooperation-based methods
Type of course
Prerequisites
Course coordinators
Assessment criteria
Assessment methods:
Lecture: written examination – W1-W4, U1-U4
Laboratory: submission of reports from the conducted exercises and final test - W1-W4, U1-U4
Assessment criteria:
fail- below 50%
satisfactory- 51-60%
satisfactory plus- 61-65%
good – 66-76%
good plus- 77-80%
very good- 81-100%
Practical placement
not applicable
Bibliography
L. Huppenthal, Roztwory polimerów, Toruń, 2008
Praca zbiorowa, pod red. Z. Florjańczyka i S. Penczka, Chemia polimerów, t. I-III, Oficyna Wydawnicza Politechniki Warszawskiej, Warszawa 2006.
P. J. Flory Principles of Polymer Chemistry. New York 1953.
M. Bohdanecký, J. Kovář, Viscosity of polymer solutions, Elsevier, Amsterdam 1982
H. Galina Fizykochemia polimerów. Rzeszów 1998
Additional information
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