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Lecturer(s)
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Svoboda Petr, prof. Ing. Ph.D.
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Course content
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- Theory of miscibility. Small molecules, oligomers, polymers. - Spinodal decomposition measurement and quantitative evaluation. - Characterization of the structure by light scattering. - Blends with high adhesion at elevated temperatures for use in electronics. - Infrared (FTIR) and calorimetric analyses of specific interactions (using low molecular weight analogues). - Reactive blending - functional group, chemical reactions "in situ" formed copolymers. - Blends with extreme toughness for use in the automotive industry. - Sample preparation for transmission electron microscopy (TEM). - Crystallization kinetics study of blends by optical microscopy, DSC and XRD.
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Learning activities and teaching methods
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Methods for working with texts (Textbook, book), Individual work of students
- Preparation for examination
- 50 hours per semester
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| learning outcomes |
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| Knowledge |
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| explain the thermodynamic condition of miscibility using Gibbs free energy |
| explain the thermodynamic condition of miscibility using Gibbs free energy |
| give specific examples of miscible and immiscible blends |
| give specific examples of miscible and immiscible blends |
| write examples of chemical reactions at phase interfaces during reaction mixing |
| write examples of chemical reactions at phase interfaces during reaction mixing |
| draw a phase diagram and explain the upper and lower critical solution temperatures |
| draw a phase diagram and explain the upper and lower critical solution temperatures |
| explain what the thermoplastic elastomers are, what is dynamic vulcanization and physical crosslinking |
| explain what the thermoplastic elastomers are, what is dynamic vulcanization and physical crosslinking |
| explain which methods can be used to determine miscibility |
| explain which methods can be used to determine miscibility |
| Skills |
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| evaluate the results from light scattering measurements for Vv and Hv arrangements (spinodal decomposition, crystallization) |
| evaluate the results from light scattering measurements for Vv and Hv arrangements (spinodal decomposition, crystallization) |
| measure and evaluate the kinetics of crystallization for polymer blends using DSC and POM analyses |
| measure and evaluate the kinetics of crystallization for polymer blends using DSC and POM analyses |
| quantitatively compare the particle size for different blends using SEM images and histograms |
| quantitatively compare the particle size for different blends using SEM images and histograms |
| quantitatively evaluate the creep of polymer blends under static stress |
| quantitatively evaluate the creep of polymer blends under static stress |
| evaluate frequency dependence of modulus from the DMA instrument for various blends |
| evaluate frequency dependence of modulus from the DMA instrument for various blends |
| teaching methods |
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| Knowledge |
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| Methods for working with texts (Textbook, book) |
| Individual work of students |
| Individual work of students |
| Methods for working with texts (Textbook, book) |
| Skills |
|---|
| Individual work of students |
| Individual work of students |
| Practice exercises |
| Practice exercises |
| assessment methods |
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| Knowledge |
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| Oral examination |
| Oral examination |
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Recommended literature
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BAKER, W., SCOTT, C., HU, G. H. Reactive Polymer Blending. Munich, 2001. ISBN 978-3-446-21068-4.
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CABRAL, J.T., HIGGINS, J.S. Spinodal Nanostructures in Polymer Blends: On the Validity of the Cahn-Hilliard Length Scale Prediction. Progress in Polymer Science 81, 1-21. 2018.
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DEMEUSE, M. T. High Temperature Polymer Blends. Cambridge, 2014. ISBN 978-1-84569-785-3.
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KARGER-KOCSIS, J., FAKIROV, S. Nano- and Micro-Mechanics of Polymer Blends and Composites. Munich, 2009. ISBN 978-3-446-41323-8.
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KULSHRESHTHA, A. K., VASILE, C. Handbook of Polymer Blends and Composites, Volumes 1-4. Shawbury, 2002. ISBN 978-1-85957-309-6.
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MÜNSTEDT, H. Rheological and Morphological Properties of Dispersed Polymeric Materials - Filled Polymers and Polymer Blends. Munich, 2016. ISBN 978-1-56990-607-1.
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SUBRAMANIAN, M. N. Polymer Blends and Composites - Chemistry and Technology. Hoboken, 2017. ISBN 978-1-118-11889-4.
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UTRACKI, L. A. Encyclopaedic Dictionary of Commercial Polymer Blends. Toronto-Scarborough, 1994. ISBN 978-1-895198-07-2.
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