| Course title | Objective Color Measurements |
|---|---|
| Course code | UCHTML/C212 |
| Organizational form of instruction | Lecture + Seminary |
| Level of course | Master |
| Year of study | not specified |
| Semester | Winter |
| Number of ECTS credits | 5 |
| Language of instruction | Czech |
| Status of course | Compulsory |
| Form of instruction | Face-to-face |
| Work placements | This is not an internship |
| Recommended optional programme components | None |
| Lecturer(s) |
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| Course content |
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1. week Color, human eye, , lidské oko, color theory substances, color perception, color vision deficiency and their assessment, practical exercises 2. week: Spectral and complementary colors, additive and subtractive color mixing, the relationship of the chemical constitution and color. Hyper vs. hypo shifts, Bath vs. hypso shifts, absorption and reflectance curves 3. week: Catalogization systems of color, monochord, I. Newton, T. Mayer, Munsell´s color system, system NCS, Pantone, Ral 4. week: Visual triplet, color temperature, instruments for measuring color, colorimeters, spectrophotometers, measurement geometry, surface material effect on the color, reflectance curves standardization on black and white reflectance standard, practical exercises 5. week: Color systems, Young-Helmholtz trichromatic theory, Hering, Adams. Standard Observer, Wright-Guild´s experiment 6. week: The RGB, CMYK, color gamut. Color spaces, sRGB, Adobe RGB, transformation of reflectance curves into trichromatic values of CIE XYZ, chromaticity diagram of x, y and Y, influence of the light source and the sensitivity of the eye, color difference 7. week: CIE Lab, L *, a *, b *, CIE HSV, practical exercises 8. week: Color differences, conditions of evaluation, usage. Comparison between different color spaces (x, y, Y; L a b) color difference E, Color difference H, system CMC (l:C), CIE DE200, practical exercises 9. week: Metamerism, definitions, metamerism of lighting, fluorescence, methods for objective measurement of the degree of whiteness, yellowness measurement, opacity, measuring of color fastness using gray scale, color fastness to light using a blue scale, practical measurement and evaluation 10. week: Complex color models, chromatic adaptation, J. v. Kries, CIE CAM 02 11. week: Evaluation of amount of the dyestuff in solution or on a transparent sheet, Lambert-Beer law, the absorption spectra, calibration curves, color strength evaluation on material surfaces, the reflectance spectra, the Kubelka-Munk equation, the dependence of K / S values at a concentration of dye, practical measurements
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| Learning activities and teaching methods |
| Monologic (reading, lecture, briefing), Skills training |
| Learning outcomes |
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The student will aquire a basic understanding of color evaluation including practic skills in conjunction with coloristic laboratory tasks. Acquired knowledge will use in industrial color evaluation generally, not only in polymeric materials branch. |
| Prerequisites |
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Basic knowledge of physical and organic chemistry and chemistry of dyestuffs.
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| Assessment methods and criteria |
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Oral examination, Written examination, Home assignment evaluation
Exam is written and oral. |
| Recommended literature |
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| Study plans that include the course |
| Faculty | Study plan (Version) | Category of Branch/Specialization | Recommended semester | |
|---|---|---|---|---|
| Faculty: Faculty of Chemical Technology | Study plan (Version): Fibres and Textile Chemistry (2013) | Category: Engineering chemistry and chemistry of silicates | 2 | Recommended year of study:2, Recommended semester: Winter |
| Faculty: Faculty of Chemical Technology | Study plan (Version): Fibres and Textile Chemistry (2016) | Category: Engineering chemistry and chemistry of silicates | 2 | Recommended year of study:2, Recommended semester: Winter |
| Faculty: Faculty of Chemical Technology | Study plan (Version): Fibres and Textile Chemistry (2015) | Category: Engineering chemistry and chemistry of silicates | 2 | Recommended year of study:2, Recommended semester: Winter |