VTU Textile Technology 4th Semester Syllabus

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TEXTILE FIBRE PHYSICS
Sub Code : 10TX41

IA Marks : 25
Exam Marks : 100

PART-A

UNIT 1:
Characterization of solid state structure of textile fibres using DGC, X-rays, IRS, NMR, SEM and TEM. 7 Hours

UNIT 2:
Study of two phase and one phase model of fibre physical structure. Description of physical structure of cotton, wool, silk, PET, Nylon and acrylic fibres. 6 Hours

UNIT 3:
Moisture relations: Concept of moisture equilibrium, moisture hysterisis, moisture regain, heat of absorption, swelling of textile fibres. Effect of moisture on various properties of fibres. 6 Hours

UNIT 4:
Mechanical properties: Stress and strain behaviour, factors affecting tensile behaviour, structure and tensile property correlation, Elastic recovery and weaklink effect. 7 Hours

PART-B

UNIT 5:
Stress relaxation, creep, factor affecting stress relaxation, dynamic mechanical properties and their applications, Flexural and torsional properties. 7 Hours

UNIT 6:
Frictional properties, Amontons laws of friction, deviation of these laws in fibre friction. Optical properties, measurement of birefringence, lusture. Importance of optical properties. 6 Hours

UNIT 7:
Electrical properties: Electrical resistance, static electricity, dielectric properties. Measurement of these properties. 6 Hours

UNIT 8:
Thermal properties: Thermal conductivity, specific heat thermal expansion and thermal setting. 7 Hours

Text Book:

  • 1. Physical properties of Textile fibres, Morton & Hearle, J.W.S., TI, London, 1997.
  • 2. Manufactured fibre technology, V.B.Gupta and Kotari V.K., Chapman & Hall, London.
  • 3. Mechanical properties of polymers, Ward I.M., John wiley & sons, NY 1971.

References:

  • 1. Mechanical properties of polymer, Neilson L.E., VolI,II, III, Marcel dekkar, NY, 1974.
  • 2 Polymer Characterization, Cambel and White, Chapman & Hall, London 1989.
  • 3. Moisture relations in textiles, Hearle J.W.S., Textile Institute, London.

Question Paper Pattern:
Answer any five full questions selecting at least two questions from Part-A and Part-B.

CHEMICAL PROCESSING OF TEXTILES – II
Subject Code : 10TX45

IA Marks : 25
Exam Marks : 100

PART – A

UNIT – 1
Classification of dyes and principles of dyeing Chemicals and auxiliaries used for textile dyeing and their functions. Chemical constitution of dyes. Effect of fibre structure on dyeing behavior. Theories of dyeing, action of electrolytes, effect of dye bath temperature, Effect of material to liquor ratio, Effect of dye bathpH, Mechanism of dyeing, various factors affecting dyeing, selection of dyes for specific end uses. 6 Hours

UNIT – 2
Evaluation of fastness properties of dyed materials.Properties, Selection and application of various dyes like direct dyes, basic dyes, acid dyes. 6 Hours

UNIT – 3
Sulphur dyes, Azoic dyes, Vat dyes, Sol-vat dyes, Mordant dyes, Reactive dyes. 7 Hours

UNIT – 4
Disperse dyes, Modified basic dyes on important natural and manufactured fibres. Various after treatments given to dyed goods. Introduction to natural dyes and their methods of application. 7 Hours

PART – B

UNIT – 5
Preparatory process for garment dyeing, specialty chemicals and dyes used for garment dyeing. Different types of dyeing practices for various types of garments, precautions to be taken for effective dyeing of garments. 6 Hours

UNIT – 6
Quality control in garment dyeing. Working principles of dyeing machinery for yarns, fabrics and garments. Latest developments in dyeing machinery. 6 Hours

UNIT – 7
Brief study on eco-friendly dyeing processes. Dyeing of blends and knitted fabrics. 7 Hours

UNIT – 8
Introduction to colour measurement and computer colour matching. Developments in dyes, chemicals & dyeing practices. 7 Hours

TEXT BOOKS:

  • 1. Dyeing and Chemical Technology- of textile Fibres, E.R. Trotman,
  • 2. Technology of Textile Processing- Vo. III, V A Shenai, 1975, Sevak Publications.
  • 3. Technology of Bleaching and Dyeing of textile fibres-Chakrawarthy, 1972, Coxtown publications.
  • 4. Textile Chemistry- Vo.I&II, R H Peters, Elsewhere Publishing Co., New York
  • 5. Technology of Textile Processing -Vo.II, Chemistry of Dyes and Principles of Dyeing, V.A. Shenai, 1993, Sevak Publications.

REFERENCE BOOKS:

  • 1. Textile Auxiliaries and Finishing Chemicals- ATIRA Publications.
  • 1. Modern techniques of textile Bleaching- Dyeing, and Finishing, SITRA Pub.
  • 2. Chemical Processing of Cotton, Polyester Cotton Blends- J.R.Modi and A.R.
  • 3. Grade- 1980, TAI Publications.
  • 4. Dyeing of Polyester Blends- M L Gulrajani, 1980, TAI Publications.
  • 5. Principles and practice of Dyeing- V A Shenai, 1993 Sevak Publications.

Question Paper Pattern:
Answer any five full questions selecting at least two questions from Part-A and Part-B.

YARN MANUFACTURE – II
Sub Code : 10TX43

IA Marks : 25
Exam Marks : 100

PART – A

UNIT 1:
Objects and principle of draw frame. Study of different drafting systems and types of draft in the drafting zone. Types of loading systems. Roller setting and procedure of roller setting. Auto levelers on draw frame. 7 Hours

UNIT 2:
Study of long and short creel draw frames and their advantages and limitations. Brief study on bercolisation, scouring, buffing, roller eccentricity, shore hardness, calculations of  raw frame such as production and efficiency. 6 Hours

UNIT 3:
Modern developments in draw frame and specifications of the present day draw frame. Various quality control studies of draw frame such as wrapping procedure, Hank of sliver and coefficient of variation. Hook theory and preparatory processes to comber. 7 Hours

UNIT 4:
Objects of combing and study of combing cycle with the help of sketches and also index numbers. Detachment setting and its importance. Gauges used for setting the comber. Calculations in comber. 6 Hours

PART – B

UNIT 5:
Various quality control studies of comber. Neps removal efficiency etc. Modern developments at comber and salient features of the present day comber. Objects of speed frame, study of different drafting systems and importance of apron drafting system. 7 Hours

UNIT 6:
Principle of twisting and winding in speed frame, study of different types of flyers, study of building mechanism, study of lift, chase length and their importance. 6 Hours

UNIT 7:
Study of differential gearing mechanism and its importance. Different types of change points at speed frame. Modern developments at speed frame and salient features of the present. 7 Hours

UNIT 8:
Study of various quality control studies such as hand determination, coefficient of variation. Calculations in speed frame. 6 Hours

Text Books:

  • 1. Manual of Cotton Spinning, Coulson. A.F.W.(Ed.), Vol. I to IV. Textile Institute, Manchester, 1958.
  • 2. Series on Textile processing, Zaloski.S., The Institute of Textile Technology, USA, Vol.I. (Opening, Cleaning and picking).
  • 3. Technology of short-staple spinning, Klein.W., vol.I, II, III and IV, Textile Institute Pub., Manchester 1989.
  • 4. Spun Yarn Technology, Osteby, Butterworths, London. 1987.

References:

  • 1. Contemporary Textile Engineering, Happy. F. (Ed.), Academic Press, Inc., 1981.
  • 2. Hand Book of Cotton Spinning, Taggart William, Universal Pub. Cor.,1979.
  • 3. Essential Facts of Practical cotton spinning, Pattabhiraman. T.K., Soumya Pub., Bombay, 1979.
  • 4. Cotton Spinning Calculation, Soumya Pub., Bombay – 1979.
  • 5. Cotton Opening & Carding, Merril. G.R., Pub. G.R. Merril, Lowell Mass, 1955.
  • 6. Draw frame, comber, speed frame – NCUTE Pilot programme.

Question Paper Pattern:
Answer any five full questions selecting at least two questions from Part-A and Part-B.

FABRIC MANUFACTURE – II
Sub Code : 10TX44

IA Marks : 25
Exam Marks : 100

PART-A

UNIT 1:
Introduction to Hand looms, power looms, automatic looms and shuttle less looms. Basic motions in weaving. Study of tappet shedding machines. Positive and negative tappet shedding. Heald reversing mechanism. Types of sheds.Staggering of healds. Limitations of tappet shedding. 6 Hours

UNIT 2:
Picking: Study of Cone over pick mechanism . Different types of under picking mechanisms. Shuttle checking devices. 6 Hours

UNIT 3:
Beat-Up- Objects of Beat up. Design features and working of beat up mechanism, eccentricity of sley. Factors affecting the slay eccentricity. 7 Hours

UNIT 4:
Secondary Motions- Take up motion, 5 and 7 wheel take up. Mechanism and dividend calculations. Negative Let-off motion. 7 Hours

PART-B

UNIT 5:
Auxiliary Motions- Weft stop motions – side weft fork and centre weft fork. Loose reed and fast reed mechanism. Warp easing motion and anti-crack motion. 6 Hours

UNIT 6:
Study of temples. Fabric defects – causes and remedies. Filament weaving. Speed and production calculation of plain looms. 6 Hours

UNIT 7:
Multiple Box Motions- 2X1 & 4X4 box motion, circular box motion. 7 Hours

UNIT 8:
Salient features of Automatic Looms,- Cop changing mechanisms, types of feelers, shuttle eye cutters, temple eye cutters. Warp stop motion. Positive let-off motion. Sensitive back rest. 7 Hours

Text Books:

  • 1. Principles of weaving mechanism by Robinson & Marks
  • 2. Weaving mechanism, M.K.Talukdar.
  • 3. Weaving Mechanism, Fox .
  • 6. Weaving mechanism, Banergee N.N.

Reference:

  • 1. Weaving tablets, Textiles Association of India, Bombay, 1985.
  • 2. Cotton weaving, Gordev. V and Volkov. P., Mir Pub., Moscow 1987.
  • 3. Automatic weaving, Aitken, Colombia press, Manchester 1969.
  • 4. An Introduction to Automatic weaving, Bennet G.A. – Colombia press, Manchester 1958.
  • 5. Modern preparation and weaving machinery, Ormerod. A., Butterworth publication Co. 1993.

Question Paper Pattern:
Answer any five full questions selecting at least two questions from Part-A and Part-B.

MANUFACTURED FIBRE TECHNOLOGY
Sub Code : 10TX42

IA Marks : 25
Exam Marks : 100

PART-A

UNIT 1:
Introduction to synthetic fibres. Raw materials for production of PET. Study of production of PET by DMT & TPA routes- study of side reactions, degradation reactions during PET production. 6 Hours

UNIT 2:
Study of Production of polyamides, nylon-6 effect of various parameters on nylon-6 Production study of semi-continuous & integrated continuous process for Production of nylon-6,Production of nylon-66. .
7 Hours

UNIT 3:
Study of Production of acrylic and polypropylene fibres. Use of various types of catalysts for Production of PP. Modification of nylon & PET fibres. 6 Hours

UNIT 4:
Elastomeric fibres. Introduction to high performance fibres. Study of production of carbon, boron, silicon carbide, alumina & glass fibres. 7 Hours

PART-B

UNIT 5:
Concept of liquid crystal, thermotropic & leotropic polymers fibres. Study of Production of aromatic polyamides viz. Nomex, Kevlar. 6 Hours

UNIT 6:
Study of Production of LDPE, HDPE, by GEL spinning technique. Production and properties of PBZT and PBZO fibres. Study of drawing & heat setting of fibres. 7 Hours

UNIT 7:
Study of tow to top conversion. Cut method , stretch – breaking method. Introduction to texturising. Study of different methods of texturising. False twist, draw texturing, Study of various parameters affecting false twist texturing. Airjet texturing, stuffer box crimping. 7 Hours

UNIT 8:
Knife edge crimping, knit-de-knit crimping. Solvent texturing. Measurement of crimp rigidity. Physical bulk &instability of textured yarns. Modern developments in texturing process. 6 Hours

Text Books:

  • 1. High Performance fibres, J.W.S.Hearle, Wood Head, UK-2005.
  • 2. Synthetic fibres-J.E.McIntyre, J.W.S.Hearle, Wood Head, UK-1999.
  • 3. Manufactured fibre technology, V.B.Gupta, Kotari V.K., Chapman & Hall, London, 1997.
  • 4. Production of synthetic fibres, Vaidya A. Prantice Hall, New Delhi, 1985.
  • 5. Textile yarns, Goswamy B.C., Wiley and Sons, NY 1980.

References:

  • 1. Manmade fibres, Moncrief R.W., Wiley, NY 1975.
  • 2. Manmade fibre science and technology, Mark Atlas, Vol.II and III, Wiley Intr.Sc. NT, 1967.
  • 3. New fibres, T.Hongu, Ellis Horwood, Newyork, 1990.
  • 4. Hand book of fibre Science and Technology, Levin, E.M.Pearce, J.Preston, Vol-3, Vol-4, Marcel Dekkar, New York, 1989
  • 5. Carbon fibres, Donnet J.B., Bansol R.C., Marcel Dekkar, New York, 1990.

Question Paper Pattern:
Answer any five full questions selecting at least two questions from Part-A and Part-B.

YARN MANUFACTURE LAB-II
Subject Code : 10TXL46

IA Marks : 25
Exam Marks : 50

DRAW FRAME:
1. Passage of material through draw frame.
2. Different types of drafting system and salient features of modern draw frames.
3. Break draft, main draft and total draft calculation.
4. Production, delivery speed, hank of sliver, efficiency calculation of draw frame.
5. Setting of drafting zone and processing of material as per the hank delivery.
COMBER:
1. Study of preparatory machines to comber.
2. Study of one cycle of combing.
3. Detachment setting and its importance.
Setting of comber parts with the help of index numbers.
5. Production, speed, efficiency, draft calculation of comber.
6. Working on comber.
SPEED FRAME:
1. Passage of material through speed frame.
2. Different types of drafting system on speed frame.
3. Break draft, main draft, total draft and draft constant calculations.
4. DCP calculation to get different hank of roving on speed frame.
5. Spindle speed drafting rollers speed calculations.
6. TPI and twist constant calculations.
7. Bobbin speed calculation with the help of differential gear mechanism.
8. Building mechanism
9. Production, delivery speed, hank of roving and efficiency calculations of speed frame.
10. Working on speed frame, setting of drafting rollers.

FABRIC MANUFACTURE LAB-II
Subject Code : 10TXL47

IA Marks : 25
Exam Marks : 50

1. Study of passage of material through loom, Calculation of loom speed.
2. Dismantling, assembling, setting and timing of tappet shedding mechanism.
3. Dismantling, assembling, setting and timing of cone over pick.
4. Dismantling, assembling, setting and timing of cone under pick.
5. Dismantling, assembling, setting and timing of Beat-up mechanism.
6. Dismantling , assembling, setting and timing of Take-up mechanism, calculation of dividend, PPI and pick spacing, anti crack motion.
7. Dismantling, assembling, setting and timing of Let-off mechanism.
8. Dismantling, assembling, setting and timing of Looset-reed mechanism.
9. Dismantling, assembling, setting and timing of Fast-reed mechanism.
10. Dismantling, assembling, setting and timing of side weft fork, and centre weft form motion.
11. Study of different types of box motions. Preparation of weft patterns for 4 X 1 box motion.
12. Demonstration, dismantling, assembling, setting, timing of cop changing and weft feeler mechanism in an automatic looms.
13. Demonstration, dismantling, assembling, setting, timing of warp stop motion and positive let-off motion in an automatic looms.
14. Setting of feeler mechanism, shuttle protector motion, transfer hammer, shuttle eye cutter, temple eye cutter on automatic loom.

CHEMICAL PROCESSING OF TEXTILES LAB-II
Subject Code : 10TXL48

IA Marks : 25
Exam Marks : 50

1. Dyeing of Cotton yarn / fabric using direct dyes
2. Dyeing of Cotton yarn / fabric using reactive dyes
3. Dyeing of Cotton yarn / fabric using Vat/ soluble vat dyes
4. Dyeing of Cotton yarn / fabric using Azoic colours
5. Dyeing of Cotton yarn / fabric using Sulphur dyes
6. Dyeing of silk with acid and basic dyes
7. Dyeing of silk with metal complex dyes
8. Dyeing of acrylic using basic dyes
9. Dyeing of polyester using disperse dyes with carrier, HTHP and Thermosol dyeing technique
10. Dyeing of garments with various classes of dyes
11. Dyeing of cotton, silk and wool using important natural dyes
12. Determination of K/S and matching of shades using spectrophotometer
13. Analysis of dyes, chemicals and auxiliaries
14. Measurement of washing / rubbing fastness of dyed goods

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