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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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1. Thermodynamic condition of miscibility, Flory-Huggins equation. 2. Dissolution, phase separation, spinodal decomposition. 3. Upper and lower critical solution temperatures. 4. Instrumental possibilities of miscibility analysis. 5. Blends for use in electronics with high adhesion at elevated temperature (mobile phones, tablets). 6. Infrared and calorimetric analyses of specific interactions. 7. Characterization of structure by light scattering. 8. Reactive blending - functional groups, chemical reactions, "in situ" formed copolymers. 9. Extreme toughness blends for use in the automotive industry. 10. Thermoplastic elastomers. 11. Structure characterization by means of transmission (TEM) and scanning (SEM) electron microscopies. 12. Influence of amorphous copolymer composition on crystallization in blend with crystalline homopolymer. 13. Machines for preparation of blends in industry. 14. Preparation of rubber blends.
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Learning activities and teaching methods
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- Participation in classes
- 12 hours per semester
- Home preparation for classes
- 38 hours per semester
- Preparation for course credit
- 40 hours per semester
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| prerequisite |
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| Knowledge |
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| Knowledge of macromolecular chemistry. |
| Knowledge of macromolecular chemistry. |
| learning outcomes |
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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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| Lecturing |
| Lecturing |
| Methods for working with texts (Textbook, book) |
| Methods for working with texts (Textbook, book) |
| Skills |
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| Dialogic (Discussion, conversation, brainstorming) |
| Dialogic (Discussion, conversation, brainstorming) |
| Practice exercises |
| Practice exercises |
| assessment methods |
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| Knowledge |
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| Written examination |
| Written examination |
| Preparation of a presentation |
| Preparation of a presentation |
| Grade (Using a grade system) |
| Grade (Using a grade system) |
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Recommended literature
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OTTENBRITE, R.M., UTRACKI, L.A., INOUE, S. Current Topics in Polymer Science. Munich: Carl Hanser Verlag, 1987. ISBN 3446148566.
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PAUL, D.R., BUCKNALL, C.B. Polymer Blends. New York: J. Wiley and Sons, 2000. ISBN 9780471248255.
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THOMAS, S., GROHENS, Y., JYOTISHKUMAR, P. Characterization of Polymer Blends: Miscibility, Morphology and Interfaces. Weinheim: Wiley-VCH Verlag Gmbh, 2015. ISBN 978-3-527-33153-6.
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UTRACKI, L.A. Polymer Alloys and Blends, Thermodynamics and Rheology. Munich: Hanser, 1989. ISBN 3446142002.
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Utracki, L.A. Polymer Blends Handbook. London: Kluwer Academic Publisher, 2002.
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UTRACKI, L.A., WILKIE, C.A. Polymer Blends Handbook. Dordrecht: Springer Netherlands, 2014. ISBN 9789400760653.
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