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Lecturer(s)
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Černeková Martina, Ing. Ph.D.
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Course content
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1. Basic concepts, collection and preparation of samples. 2. Determination of water, dry matter and volatile substances (explanation of terms, indirect methods of water determination, direct methods of water determination), recalculation of analysis results to determine moisture content, conditioning. 3. Mineral substances, ash, mineralization (principle, evidence of some elements). 4. Determination of pH, extracts, solubility of substances. 5. Recognition constants (numbers) of substances - chemical, expression of test results. 6. Recognition constants (numbers) of substances - physical. 7. Tannins. 8. Chromium compounds. 9. Fats and oils, glycerol, fat breakdown. 10. Leather and leather materials - chemical testing methods (volatile substances, substances extractable with dichloromethane, water-leachable substances, ash, chromium oxide). 11. Physical and mechanical properties - dimensions, weight, shrinkage temperature. 12. Tensile properties - tensile strength and ductility, mandrel tear strength, seam tear strength, resistance to further tearing, slot tear strength. 13. Features of the surface treatment - repeated bending, adhesion of the surface treatment to the leather, stability of the treatment against abrasion, abrasions, resistance of the face to bending. 14. Hygienic properties - sorption and desorption of moisture, permeability to water vapor, permeability of the face layer to water.
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Learning activities and teaching methods
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- Preparation for examination
- 120 hours per semester
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| learning outcomes |
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| Knowledge |
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| Professional terminology, sample collection and preparation. |
| Professional terminology, sample collection and preparation. |
| Determination of dry matter and volatile substances. |
| Determination of dry matter and volatile substances. |
| Physical, mechanical and hygienic properties of leather. |
| Physical, mechanical and hygienic properties of leather. |
| Leather finish properties. |
| Leather finish properties. |
| Testing footwear properties. |
| Testing footwear properties. |
| Skills |
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| Use valid technical standards and orient yourself in them. |
| Use valid technical standards and orient yourself in them. |
| Prepare test specimens for the required test. |
| Prepare test specimens for the required test. |
| Carry out and evaluate the determination of sorption and desorption properties of footwear materials. |
| Carry out and evaluate the determination of sorption and desorption properties of footwear materials. |
| Carry out and evaluate the determination of resistance in repeated bending of footwear upper materials. |
| Carry out and evaluate the determination of resistance in repeated bending of footwear upper materials. |
| Carry out and evaluate the determination of water vapor permeability of footwear materials. |
| Carry out and evaluate the determination of water vapor permeability of footwear materials. |
| teaching methods |
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| Knowledge |
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| Monologic (Exposition, lecture, briefing) |
| Monologic (Exposition, lecture, briefing) |
| Dialogic (Discussion, conversation, brainstorming) |
| Dialogic (Discussion, conversation, brainstorming) |
| Skills |
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| Demonstration |
| Demonstration |
| Practice exercises |
| Practice exercises |
| assessment methods |
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| Knowledge |
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| Didactic test |
| Didactic test |
| Oral examination |
| Oral examination |
| Grade (Using a grade system) |
| Grade (Using a grade system) |
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Recommended literature
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KUBÁT, L., PAŘILOVÁ, H. Kůže, usně, kožešiny a kožené výrobky - textilní zbožíznalství. 76 s.. Liberec: TUL, 2013. ISBN 9788074940026.
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MLÁDEK, M. Zkušební metody pro kožedělné obory. Zlín: UTB, 2001. ISBN 8073180448.
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Mládek, Milan. Kontrolní a zkušební metody. Brno : VUT, 1988.
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