Knowledge of the physical, chemical, physiological and psychological fundamentals of human chromatic perception. Measurement of colour. Chemistry of dyes and pigments. Fundamentals of technological application of dyes and pigments.
Course Prerequisites
Fundamentals of mathematical analysis, physics, general, inorganic and organic chemistry are prerequisites to understand the course topics.
Teaching Methods
The course topics will be delivered through front lectures.
Assessment Methods
The final examination consissts of an interview on the topics covered by the front lections.
Contents
Ray optics: reflection and refraction. Wave aspects of light: electromagnetic waves, interference, diffraction, scattering. Absorption and emission of photons by matter. Light sources and illuminants. Radiometry. The eye and vision: Structure of the eye. Retina: structure and functioning. Day and night vision: rods and cones. Transmission of the signals to the brain. Colour vision and colour blindness. Photometry. Colorimetry: Tristimulus values. Illuminants. Colour spaces. CIE standard colorimetric system. CIE diagram. Metamerism. Measurement and calculation of colorimetric values. Uniform colour spaces. Empirical colour spaces. Instruments for colour measurement. Technological applications. Dyes: Chemical and coloristic classifications of dyes. Colour Index. Polyene and polymethine dyes. Di- and triarylmethine dyes and aza analogues. Aza[18]annulenes. Azo dyes. Carbonyl dyes. Sulphur dyes. Metal complex dyes. Direct dyes. Acid and basic dyes. Vat dyes. Disperse dyes. Reactive dyes. Technological applications of dyes: textiles, paper, other materials. Dyeing and printing. Pigments: Organic and inorganic pigments. Colouristic properties. Characterization of pigments. White pigments. Black pigments. Colour pigments. Interference pigments. Luminescent pigments. Specialty pigments. Technological applications of pigments: paints, graphics, paper, etc. Colorants in art and for imaging.
Course Language
italian
More information
The professor is available to meet the students by appointment arranged by e-mail.
