Chemical Processing of Textile Materials – I Syllabus for B.Tech 5th sem is covered here. This gives the details about credits, number of hours and other details along with reference books for the course.<\/p>\n
The detailed syllabus for Chemical Processing of Textile Materials – I B.Tech (R13) fifthsem is as follows<\/p>\n
OBJECTIVE:<\/strong> UNIT : I<\/strong> \u00a0 \u00a0 \u00a0[9 Hours] UNIT II<\/strong> \u00a0 \u00a0\u00a0\u00a0[9 Hours] UNIT III<\/strong> \u00a0 \u00a0\u00a0\u00a0[9 Hours]
\nTo enable the students to learn about chemical structure of fibres and pre treatments involved in the wet processing of textiles.<\/p>\n
\nChemical structure of fibres – Cotton, wool, PET polyester, Nylon 6 and 6,6, poly acrylonitrile poly propylene and poly urethane; Action of chemicals on fibres – Effect of alkalis, acids, oxidizing agents and reducing agents on cotton and viscose, wool, silk and the above synthetic fibres; Natural and other impurities in textiles and their basic properties; Singeing – Methods of singeing and their
\ncomparison, detailed study on gas singing, evaluation of singing efficiency and bio polishing; Desizing – methods of desizing and their comparison, desizing of natural and synthetic fibres and their blends, evaluation of desizing efficiency; Heat setting – principle and heat setting of PET and nylon fabrics.<\/p>\n
\nScouring – Chemistry involved in scouring of cotton, wool, silk and synthetic fibres, process details on scouring of these fibres, assessment of scouring efficiency and bio scouring; Bleaching – Fundamentals on bleaching agents, bleaching of cotton with sodium hypochlorite and hydrogen peroxide, bleaching of wool, assessment of efficiency of bleaching; Mercerization – role of alkali
\nconcentration, stretch and temperature, effect of mercerization on structural, lustre, tensile and dyeing properties, steps involved in mercerization process, assessment of efficiency of mercerization; carbonization of wool; degumming of silk – methods and their comparison, process details on the methods and assessment of efficiency of degumming.<\/p>\n
\nPrinciple, construction and working of chemical processing machines – Loose stock machine; Hank and package processing machines; Yarn singeing machine; Woven and knitted fabric singeing machines; Stretching devices; Shearing and raising machines; Kiers; Mangles; Jiggers; Winch; Jet and soft flow machines; Yarn mercerizer, Chain and chainless mercerizers; Continuous scouring and bleaching machines; Washing ranges, Hydro extractors; Detwisters; Dryers; Stenters.<\/p>\n