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1 Introduction to textile chemistry (aim, physical and chemical facts, preparation of solutions, calculation of concentration)
2 Determination of textile materials using chemicals, determination of material type and ratios on blends
3 Relation between water and material, hydrophilic and hydrophobic, intra- and intermicellar effects of water, Dyeing mechanism; coefficient of diffusion and saturation value; functional groups needed on fiber and dyestuff, properties of fiber and dyestuff needed for coloration
4 Textile materials and chemicals used, fiber-dyestuff bonds (interatomic bonds, intermolecular bonds), bond energies
5 Dyestuff chemistry; classification and explanation of dyestuffs (Acidic, Basic, Reactive, Disperse, Vat, Sulphur, Metal Complex, Chrome dyestuffs, Mordant)
6 Surfactants: formation reactions and properties of soap and detergent
7 Removal of oil and pigments from textile material
8 Determination and assessment of water hardness
9 The effects of water hardness on scouring and finishing processes MIDTERM
10 Color, perception of color, color-light relations, color theories, objective and subjective assessment of color, particular points during objective and subjective assessment of color
11 Technical terms used in textile finishing, liquor ratio, % material content, absorption, adsorption, dyestuff migration, shade, etc., Reading process diagrams
12 Environment, ecology, economy and their importance regarding textile chemistry (ecological assessment of textile materials and chemicals, important parameters for a successful finishing process and optimization of those parameters)
13 Introduction to ecologically prohibited finishing materials; presentation of new ecologically friendly textile chemicals
14 Presentation of term papers
1st week: Laboratory safety training
2nd week: Chemical analysis of natural textile materials (Cotton, linen, wool, etc.)
3rd week: Chemical analysis of synthetic textile materials; Polyester (PET), Nylon (PA), Acrylic (PAN) etc.
4th week: Chemical analysis of material type on blends, Calculation of their commercial ratios
5th week: Chemical determination of dyestuffs (reactive, direct, vat and sulphur) on fabric
6th week: Soap formation using vegetable oil and sodium hydroxide (NaOH)
7th week: Washing of oil-stained fabrics with soap, detergent and industrial washing agent
8th week: Application of a basic pre-treatment process with selected recipe and process diagram
9th week: Development and determination of absorbency on textile materials
10th week: Volumetric analysis of permanent and temporary water hardness
11th week: Application of Munsell Color Tone and Ishihara Color Blindness Tests, Assessment of color using Litebox® and spectrophotometer
12th week: Determination of pH values of alternatively colored textile materials
13th week: Extraction of formaldehyde from textile material, determination of formaldehyde content in a solution via titration |