VTU Textile Technology 3rd Semester Syllabus

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TEXTILE POLYMER SCIENCE
Sub Code : 10TX31

IA Marks : 25
Exam Marks : 100

PART-A

UNIT 1:
Introduction to monomers and polymers. History of polymer. Classification of polymers. Application of polymers. Concept of configuration and confirmation- aggregation of molecules in polymers. Characteristics of fibre forming polymers. 6 Hours

UNIT 2:
Study of synthesis of polymers by chain, step and co-ordination polymerization. Study of various types of initiators for Co-polymerization. 7 Hours

UNIT 3:
Kinetics of polymerization – expression of kinetic chain length, effect of various parameters on Kinetics of polymerization. Functionality in polymers. Carothers equation and extent of polymerization. 7 Hours

UNIT 4:
Rheology of polymers. Newtonian and non-Newtonian fluids, Basic equations related to fluid flow. Conditions of polymeric solutions for solubility. 6 Hours

PART-B

UNIT 5:
Tensile behavior. Time dependent behaviour and temperature dependent mechanical behavior for polymers. 6 Hours

UNIT 6:
Concepts of avg. Molecular weight and molecular weight distribution. Determination of molecular weight of polymers using end group analysis, osmometry, viscometry and gel permeation chromatography. 7 Hours

UNIT 7:
Chemistry of polymer degradation – various types of degradation – oxidative, mechanical and thermal degradation. Use of Inhibitors and anti-oxidants to control polymer degradation. 6 Hours

UNIT 8:
Thermal analysis of polymers – glass transition temperature of polymers. Determination of glass transition temperature. Free volume concept. Study of thermal characterization by DSC,DTA and TGA. 6 Hours

Text Books:

  • 1. Text book of polymer Science, Billmeyer.W., Wiley Int.Sc. New York 1984.
  • 2. Polymer Science, Gowarikar V.R., Vishwanathan N.V., Jayadev Sridhara, Wiley Eastern Ltd., New Delhi, 1995.
  • 3. Principles of polymerization,,Odian G., John Wiley & sons, NY, 1976.
  • 4. Mechanical properties of polymers, Ward I.M. John Wiley & sons, NY, 1971.

References:

  • 1. Properties and structure of polymers, Tobolski, John Wiley & sons, NY, 1960.
  • 2. Mechanical Properties of polymers, Nielson L.E., Marshal Dekkar, NY, 1974.
  • 3. Polymer characterization, Cambel and White, Chapmon & Hall, London 1989.

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

CHEMICAL PROCESSING OF TEXTILES – I
Subject Code : 10TX35

IA Marks : 25
Exam Marks : 100

PART – A

UNIT – 1
An overview of wet processing operations and sequences Chemicals and auxiliaries used for textile wet processing and their functions. Introduction to shearing and cropping.Objects of shearing and cropping.
6 Hours

UNIT – 2
Objects of singeing, methods of singeing by various singeing machines, precautions to be taken during singeing, latest developments in singeing Objects of desizing, methods of desizing, continuous desizing, desizing of cotton and other blends, latest developments in desizing. 6 Hours

UNIT – 3
Objects of scouring, mechanism of scouring, methods of scouring, scouring of natural cellulose fabrics, degumming of silk, scouring of wool and jute, scouring of synthetic fibres, modifications required to scour knitted fabrics, latest developments in scouring. 7 Hours

UNIT – 4
Objects of Bleaching, mechanism of bleaching, methods of bleaching, bleaching of cellulose fibres, bleaching of natural protein fibres, bleaching of common manufactured fibres, bleaching of common fibre blends. 7 Hours

PART – B

UNIT – 5
Latest developments in bleaching. Objects of optical whitening, optical whitening process for common fibre. Chemistry of optical whitening agents. Faults in scouring and bleaching and their remedies, quality control methods for testing scoured and bleached materials. Methods used for determination of degradation of cotton, during scouring and bleaching. 6 Hours

UNIT – 6
Machines used for desizing, scouring and Bleaching. Batch processes, semi continuous processes and continuous processes. Objects of mercerization, history and developments of mercerization, physical and chemical changes in cotton due to mercerization, various factors affecting mercerization’s. 6 Hours

UNIT – 7
Methods of mercerization – yarns and fabrics, machines used for mercerization, slack mercerization.
7 Hours

UNIT – 8
Hot mercerization, Faults in mercerization and their remedies, Test methods for mercerized materials. Latest developments in mercerization. Brief study on eco-friendly preparatory processes. Water and energy management in preparatory processes. 7 Hours

TEXT BOOKS:

  • 1. Technology of Textile Processing- Vol. III, V A Shenai, 1975, Sevak Publications
  • 2. Technology of Bleaching and Dyeing of textile fibres-Chakraborthy, 1972, Coxtown publications
  • 3. Mercerization- J T Marsh, 1979, B I Publications.
  • 4. Scouring and Bleaching of Cotton- J.T. Marsh, 1979, B I Publications.
  • 5. Dyeing and Chemical Technology of textile Fibres- E.R.Trotman,

REFERENCE BOOKS:

  • 1. Chemical Technology of Fibrous Materials- MIR Publications, 1978.
  • 2. Textile Auxiliaries and Finishing Chemicals- ATIRA Publications.1975
  • 3. Textile Chemistry-Vo. I, II and III R H Peters, Elsewhere Publishing Co.New York.
  • 4. Modern techniques of textile Bleaching- Dyeing, and Finishing, SITRA Publication.
  • 5. Chemical Processing of Cotton, Polyester Cotton Blends- J.R.Modi and A.R. Garde, 1980, TAI Publications.
  • 6. Recent processes of Textile Bleaching, Dyeing and Finishing- S B Srivastava, 1978, SBP Publications.

YARN MANUFACTURE – I
Sub Code : 10TX33

IA Marks : 25
Exam Marks : 100

PART – A

UNIT 1:
Importance and need of Ginning. Working of different types of gins. Defects, causes and remedies of ginning. Baling process and bale weights of important cotton growing countries. Impurities in the cotton and remedies to minimize impurities in cotton. Important cotton types and trash in those cottons. Grading of cotton. 6 Hours

UNIT 2:
Definition and objects of mixing and blending. Types of blending and common blends. Influence of fibre parameters namely length, fineness, strength, elongation, chemical deposits and neps on spinning performance. 7 Hours

UNIT 3:
Objects of Blowroom and components of Blow room. Types of opening action in blow room. Brief study of bale pluckers and bale grabbers. Study of different types of openers and beaters on the present day Blowroom. Modern developments in Blowroom. 6 Hours

UNIT 4:
Evaluation of Blow room performance – Hank calculation, production and efficiency calculation. Process modification required in blow room to process blends of Polyester/cotton and polyester/viscose. Study of blow room line required for processing different types of blends. 7 Hours

PART – B

UNIT 5:
Definition and objects of flat card. Study of different types of clothing on licker in, cylinder and doffer and their specifications. 7 Hours

UNIT 6:
Auto leveller on card and comparison of sliver quality on auto leveled and non auto leveled card. Setting of different parts of card and gauges used for setting. Definition of draft in card and study of different types of draft and its calculation. Objects of stripping and grinding and their importance. 6 Hours

UNIT 7:
Developments in card at pre-carding, post-carding segments and in the doffing zone. Specification of the present day cards. Calculation of Hank of sliver, production and efficiency in carding. 7 Hours

UNIT 8:
Study of various quality control studies such as wrapping procedure, cleaning efficiency, Nep removal efficiency. Standards. 6 Hours

Text Books:

  • 1. Manual of Cotton Spinning, Coulson. A.F.W. (Ed.), Vol. I to IV, Textiles Institute, Manchester,
  • 2. Series on Textile processing, Zaloski. S. Tp – Institute of Textiles 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, Happey. F. (Ed.) Academic Press Inc., 1981.
  • 2. Hand book of Cotton Spinning, William Taggart., Universal Publ corp. 1979.
  • 3. Essential Facts of Practical Cotton Spinning, Pattabhiraman. T.K., Soumya Pub., Bombay 1979.
  • 4. Cotton Spinning Calculations, Pattabhiraman. T.K., Soumya Pub., Bombay 1979.
  • 5. Cotton Opening & Carding, Merril G.R., Pub: G.R. Merill, Lowell Mass, 1955.
  • 6. Blowroom and carding NCUTE Pilot programme.

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

FABRIC MANUFACTURE – I
Sub Code : 10TX34

IA Marks : 25
Exam Marks : 100

PART-A

UNIT 1:
Introduction to warp and weft. Necessity and sequence of operations in warp and weft preparation. Different types of supply and end packages. Objects and principles of winding. Classification of winding machine. Precision and drum winders. 6 Hours

UNIT 2:
Derivation of expression to find winding speed and surface speed, Cone angle, coil angle and angle of wind Balloon breakers. Yarn clearers and tensioning devices and their setting. 6 Hours

UNIT 3:
Uster classimat and its usefulness in selecting optimum clearing. Study of modern fully automatic warp winding machines. Winding faults and remedies. Material handling. Production and efficiency calculations. 7 Hours

UNIT 4:
Objects and systems of warping. Study of different types of modern creels. Study of modern friction driven and spindle driven beam warping machines. Study of different types of sectional warping machines and their salient features. Production calculations. 7 Hours

PART-B

UNIT 5:
Objects of sizing. Study of Ingredients used for size preparation. Size formulation, Study of mixing vessels viz,. Pressure cookers, Injection cookers. Techniques of sizing, Sizing of Cotton, polyester and P/C blends. Salient features of modern sizing machines. Creels, and sow box and its control. 6 Hours

UNIT 6:
Drying principles – multi-cylinder drying, hot air drying, radiation drying. Size pickup, size add on. Concept of single end sizing. Head stock – dry splitting, comb, drag roll. Beam pressing, PIV gears. 6 Hours

UNIT 7:
Controls in sow box – stretch and its control, moisture measurement. Recent developments in sizing viz,. Foam sizing, solvent sizing, hot melt sizing. High pressure squeezing,. Production and efficiency calculations. Sizing defects and remedies. Post sizing operations – Drawing – in, leasing, knotting, automatic drawing in machine. Reaching-in machine. Automatic knotting machine. Gaiting-in technique. 7 Hours

UNIT 8:
Special requirement of yarn preparation for shuttles weaving. Introduction to weft preparation. Study of different types of weft winding machine. 7 Hours

Text Books:

  • 1. Textile Sizing by B.C.Goswamy.
  • 2. “An Introduction to Winding and Warping”, Talukdar M K, Talukdar, Bombay Pvt. Circulation.
  • 3. “Warp sizing mechanisms”, Ramsbottom Columbia press, Manchester,1965.
  • 4. Weaving tablets, Textiles Association of India, Bombay,1985.
  • 5. Yarn preparation, Sengupta R. –Vol I & II Mahajan Pub. Ahmedabad, 1970.
  • 6. Modern Preparation and weaving machinery, Ormerod A. Butterworth publication Co. 1983.

References:

  • 1. Cotton weaving, Gordev V and Volkov P, Mir Pub. Moscow 1987.
  • 2. Automatic Weaving, Aitken, Colombia Press, Manchester 1969.
  • 3. “Sizing Materials, Methods and Machines”, Ajgaonkar D B, Textiles trade press, Bmbay1982.
  • 4. An Introduction to Automatic weaving, Bennet G A, Columbia press, Manchester 1958.

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

TEXTILE FIBRES
Sub Code : 10TX32

IA Marks : 25
Exam Marks : 100

PART – A

UNIT 1:
Brief history on origin of textiles. Introduction to textile fibers and basic requirements of textile fibers. India’s position of natural and manufactured fibers in global scenario. 6 Hours

UNIT 2:
Geographical distribution, cultivation & grading of cotton, wool, silk, & jute fibers. 8 Hours

UNIT 3:
Brief study of physical & chemical properties of cotton, wool, silk & bast fibers 7 Hours

UNIT 4:
Flow chart in conversion of cotton, wool, silk, spun silk & jute fibre in to fabric. 5 Hours

PART – B

UNIT 5:
Study of MMF spinning- viz,. melt, dry, wet, dry- jet- wet and gel spinning. 7 Hours

UNIT 6:
Fundamentals of fluid flow in MMF spinning. Concept of spinnability. Die swell effects. 6 Hours

UNIT 7 :
Introduction to regenerated fibers, chemistry & physics of viscose rayon production. Spin finish applications. Concept and application micro denier, nano and special shaped fibres. 6 Hours

UNIT 8:
Production of modified viscose rayon, brief out line on production of acetate & cupramonium rayon. Manufacture of eco-friendly regenerated fibre. 7 Hours

Text Books:

  • 1. Hand book of Textile fibre, Cook J. Vol.1 & II, Marrow Wat Ford, England.
  • 2. Textile fibres, Shenai V.A., Sevak Bombay, 1980.
  • 3. Manufactured fibre technology, Gupta V.B, Kothari V.K., Chapman Hall, London, 1997.
  • 4. Introduction to Textile fibres, Srinivasa Murthy H.V, T.A.I., Mumbai.

References:

  • 1. Manmade fibre science and Technology, Mark Atlas, Vol.I & II, Wiley, NT 1967.
  • 2. Fundamentals of fibre formation, Ziabicki A. Wiley NY 1976.
  • 3. Formation of synthetic fibres, Walczalk.K. Gordon & Sci. London 1977.
  • 4. High speed fibre spinning, Ziabicki A. Wiley NY., 1985.
  • 5. Manmade fibres, Moncrief R.W. John Wiley and sons, N.Y. 1966.

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

YARN MANUFACTURE LAB-I
Subject Code 10TXL36

IA Marks 25
Exam Marks 50

Blow Room:
1. Passage of material through the blow room and different openers and beaters of blow room. Selection of beater points.
2. Driving arrangements of all the machineries and calculations of speeds of different parts of each machineries.
3. Calculation of cleaning efficiency at all beaters and openers.
4. Study of piano feed regulating motion and calculation of cone drum speed, feed roller speed and beats/inch.
5. Production and CV% calculation in Blow Room laps (within and between).
6. Settings and selection of Blow Room process for different mixings, impurities and counts. Carding:
6. Passage of material through revolving flat card.
Speed and draft calculation of different parts of carding with the help of gearing and driving arrangement.
7 Draft constant and its calculation.
8. Draft change pinion calculation and machine operation to get different hank of slivers.
9. Calculation on snap study to analyze neps, sliver variations and efficiency.
10. Settings of different parts and gauges used for the same.
11. Comparison between conventional and modern high speed card with respect to production, efficiency and quality of sliver .

FABRIC MANUFACTURE LAB-I
Subject Code 10TXL37

IA Marks 25
Exam Marks 50

1. Passage of material through double Flanged bobbin winding machine. Working on double flanged bobbin winder. Speed, production and efficiency calculation of double flanged winding machine.
2. Passage of material through non-automatic winding machines. Speed, production and efficiency calculations.
3. Passage of material through automatic winding machines. Speed, production and efficiency calculations.
4. Setting of tensioner and yarn clearer device on winding machine.
5. Passage of material through non auto and automatic pirn winding machine. Speed, production and efficiency calculation.
6. Passage of material through sectional warping machine. Calculation of machine particulars and production.
7. Passage of material through Beam warping machines. Calculation related to speed, production and efficiency.
8. Passage of material through sizing machine. Calculation related to speed, production and efficiency..
9. Preparation of patterns for stripes, checks and their calculations.
10. Knotting, drawing – in and denting of weavers beam.

CHEMICAL PROCESSING OF TEXTILES LAB-I
Subject Code : 10TXL38

IA Marks : 25
Exam Marks : 50

1. Desizing of cotton yarn/fabric using acid and enzymes
2. Scouring of cotton using alkali method
3. Degumming of silk using soap-soda and enzymatic methods.
4. Scouring of wool, jute fibres
5. Bleaching of cotton using Hydrogen Peroxide
6. Bleaching of PC blends
7. Bleaching of silk and woolen goods
8. Mercerization of cotton in taught and slack forms
9. Treatment of bleached goods with optical whiteners
10. Determination of scouring / bleaching efficiency using cuprammonium fluidity, methylene blue absorption etc.
11. Determination of efficiency of mercerized goods using BAN and strength measurements

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