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Lecturer(s)
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Alexy Pavol, prof. Ing. PhD.
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Course content
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- Definition of basic models of polymer melt viscoelasticity. - Definition of basic rheological parameters (shear stress, shear deformation, shear rate, viscosity). - Factors influenced viscosity of polymers. - Flow of polymer melts, normal stresses, die swelling, Deborah number. - Basic methods of viscosity measurements. - Capilar rheometry, basic principles, errors and their corrections (Rabinowitsch, Bagley and Mooney Correction). - Rotation rhometers (plate - plate, cylinder - cylinder, cone - plate). - Oscilation rheometers, principles of oscillation rheometry. - Application of oscillation rheometry in rubber technology. - Application of oscillation rheometry in thermoplastic processing. - Special application of oscillation rheometry. - Extrusiometry as method of rheometry. - MFI and its place in rheology of polymer melts.
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Learning activities and teaching methods
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- Preparation for examination
- 89 hours per semester
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| learning outcomes |
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| Knowledge |
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| knowledge of rheology of polymer materials (melts, disperions, solutions) |
| knowledge of rheology of polymer materials (melts, disperions, solutions) |
| Skills |
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| applies rheological principles in processing technology of polymers |
| applies rheological principles in processing technology of polymers |
| teaching methods |
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| Knowledge |
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| Individual work of students |
| Individual work of students |
| Methods for working with texts (Textbook, book) |
| Methods for working with texts (Textbook, book) |
| Skills |
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| Individual work of students |
| Individual work of students |
| Practice exercises |
| Practice exercises |
| assessment methods |
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| Knowledge |
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| Written examination |
| Written examination |
| Oral examination |
| Oral examination |
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Recommended literature
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ALEXY, P. Procesy spracovania polymérov. Bratislava: STU, 2011. ISBN 978-80-227-3470-7.
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MEZGER, T. The rheology handbook. Hannover: Vincenz Verlag, 2002. ISBN 3-87870-745-2.
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