Unit 1
8 hrsINTRODUCTION TO TEXTILES Terms and definition: fibres, filaments, yarns-spun yarns, filament yarns, sewingthreads, fabrics- woven, knitted, non-woven Classificationof textile fibres on the basis of origin and length of fibre
BFAD · Sem 2 (Core)
INTRODUCTION TO TEXTILES Terms and definition: fibres, filaments, yarns-spun yarns, filament yarns, sewingthreads, fabrics- woven, knitted, non-woven Classificationof textile fibres on the basis of origin and length of fibre
TEXTILESFIBRES AND THEIR PROPERTIES (Source, production and properties) Important properties of textile fibresNatural cellulosic fibres-cotton, flax,jute, ramie Natural Protein fibres-wool, silk RegeneratedFibres-viscose rayon, cuprammonim rayon and polynosic rayon, acetate and tri-acetate, azlon Synthetic fibres-nylon, polyester, acrylic, modacrylic, olefins,Polypropylene Specialuse fibres- elastomeric fibres, aramid, carbon Microfibres-Tencel, Modal,etc. Innovative fibre Fibre identification- visual test, microscopic test, burning test, chemical test
YARNS Yarn manufacturing process Mechanical Spinning Chemical spinning processes- dry spinning, melt spinning, Yarn Classification- on the basis of structure, fibre composition, effects and processing Noveltyyarns- core, eyelash, boucle`, ribbon, ladder, nub, slub, chenille, corkscrew or spiral, metallic yarns, crepe yarns Yarnnumbering system- direct and indirect system Yarntwist- direction of twist (S and Z twist), types of twist, effect of twist on fabric properties Sewingthreads Yarntesting - Determination of staple / filament yarn, number of plies, direction of twist, measurement of twist Fabrictesting - Physical tests Threadcount: ends per inch and picks per inch Fabricweight: fabric mass per unit area (gsm), fabric mass per unit length (weight per linear meter) Evaluation of fabric drape Seam/ yarn slippage Chemical tests - Dimensional stability, mercerization, chlorination
After completion of the course student will be able to:
Loading…
Aapke paas is subject ka koi purana paper hai? Upload kijiye. Aapka ek paper kisi junior ka exam aasaan bana sakta hai.
Upload previous year paperThis subject is on page 37, 38, 39, 40, 41 of the original AKTU PDF.
Send it on WhatsApp - the subject and page link are already filled in.