Physical Chemistry of Polymers 1200-2BL8WYK1
Topics of the lecture:
1.Introduction
1.1.Definition of polymer , examples
1.2.Production capacity in Poland and in the world
1.3.Classification of polymers, criteria of classification: origin, architecture of chain, chemical formula, stereochemistry of polymer chain, application.
2.Characteristics of polymers and investigation methods
3.Basic investigations
3.1.Chemical formula
3.1.1.Homopolymer
3.1.2.Copolymer
3.1.3.Terpolymer
3.2.Molecular mass and its distribution
3.3.Stereochemistry
3.3.1.Geometric isomerie
3.3.2.Configuration (atactic, izotactic, syndiotactic)
3.4.Topology
3.4.1.Chains
3.4.2.Branches
3.4.3.Nets
4.Investigation of functional properties
4.1.Mechanical properties (tensile modulus, stress-strain, modulus of elasticity, shear modulus, compression modulus, mechanical fatigue modulus)
4.2.Thermal properties (thermal conductivity, isolation, heat and flame resistance)
4.3.Reology (visco-elastic behaviour)
4.4.Electric (conductivity)
4.5.Trybology (friction and sliding)
4.6.Resistance to environmental, biological and chemical impact
4.7.Polymer processing (thermal processing, chemical and thermosetting)
4.8.Case study: the Challenger space shuttle catastrophe.
5.Synthetic polymer chain in:
5.1.Space (main parameters: chain flexibility, radius of gyration, contour length of the polymer chain, persistence length, the end-to-end mean square distance of a polymer chain, deviations from model values)
5.2.Solvent (polymer ball as result of polymer-polymer and polymer-solvent interactions, dilute and concentrated polymer solution, excluded volume parameter for polymer-solvent systems, theta solvent, theta (θ) conditions, concept of blobs by de Gennes, models of polymer solution (Flory-Huggins, Scatchard-Hildebrand) thermodynamic of the solution, viscosity measurement (Mark-Houwink-Sakurada equation)
5.3.Solid-state, polymer morphology, polymer cyistallinity (amorphous region, fibrils and spherulites)
6.Polymer chain structure vs. its properties
6.1.Physical properties: monomer structure, size of substituents, steric factors, branches and crosslinked networks, bond order, tangled chains, configuration, molecular weight and its distribution (ebulioscopic and cryoscopic parameters, gas and membrane osmosis, light scattering, sedimentation, Mη, Mw, Mz,)
6.2.Chemical properties
6.3.Reological parameters (temperature dependence of viscoelastic modulus), crystallinity vs. amorphinity - glass transition temperature
6.4.Modification of polymer characteristics (thermo-and duroplastic polymers)
7.Transformation of polymer into polymeric material (additives: reinforcing, fillers, modifiers, preparation, plasticizers, colorants, stabilizers, crosslinkers, porophors)
8.Polymer processing (injection, molding, RRIM, extrusion, blown film extrusion, pressing, spinning: melt, dry, and wet, polymer expanding foam.
9.Polymer composites (matrix, fillers, filler-matrix interface)
Main fields of studies for MISMaP
Type of course
Mode
Prerequisites (description)
Learning outcomes
After the course the student should:
– demonstrate skills in forecasting possible methods of synthesis for given polymers
– is able to determine conditions for planned synthesis of given polymer - - - demonstrate skills in analysis of applicability of a given polymer and its relations with the method of synthesis
Assessment criteria
Skills required to pass the exam:
Skills sufficient to pass the exam. To proof the acquired skills the student is obligated to answer questions connected to the main topics of the lecture. Passing the eam means >50% of max. number of points for answers to ap. 6 open questions. Scale 0-20 points.
Practical placement
None
Bibliography
Supplementary bibliography:
–„Chemia polimerów”, tom I,II,III, praca zbiorowa pod red. Z. Florjańczyka i S. Penczka, Oficyna Wyd. Pol. Warszawskiej, 1995-98.
–H. Galina, Fizykochemia polimerów, Oficyna Wydawnicza Politechniki Rzeszowskiej, 1998.
–T. Broniewski, J. Kapko, W. Płaczek, J. Thomalla, „Metody i ocena własności tworzyw sztucznych”, WNT, Warszawa 2000.
–J. W. Nicholson, Chemia polimerów”, WNT, Warszawa 1996.
–Jan F. Rabek, „Współczesna wiedza o polimerach” PWN 2008
–Publisher: Wiley-Interscience
–Wł. Przygocki, A. Włochowicz, „Fizyka polimerów”, PWN 2001
–Irma Gruin, „Materiały polimerowe”, PWN 2003
–Fizykochemia polimerów. Wybrane zagadnienia, D. Ciesielska, K. Kelar, Wydawca: Wydawnictwo Politechniki Poznańskiej, 1997:http://www.wbc.poznan.pl/dlibra/docmetadata?id=1753&from=&dirids=1.
--D. I. Bower, An Introduction to Polymer Physics, Cambridge University Press, 2002