PT8072 - FIBER TECHNOLOGY (Syllabus) 2017-regulation Anna University

PT8072 - FIBER TECHNOLOGY (Syllabus) 2017-regulation Anna University

PT8072

FIBER TECHNOLOGY

 LPTC

3003

OBJECTIVES: To enable the students
• To learn about the production technologies of synthetic fibres such as melt spinning, wet spinning, dry spinning, texturing and stretching methods; colouration techniques of fibres.
• To learn about modification and testing fibre

UNIT I

CRITERIA FOR FIBRE FORMING POLYMERS

9

Development of synthetic - commercial synthetic fibres, Raw materials manufacture. DMT, TPA, MEG, caprolactum, adipic acid, hexamethylene diamine, acrylonitrile, polymerisation - types of polymers - criteria for fibre forming polymers - production of polyethylene terephthalate polymer - polyamides - production of nylon 66 polymer -nylon 6 polymer.

UNIT II

FIBRE PRODUCTION METHODS-1

9

Production of acrylic fibres - polypropylene - production of other fibres - PVC fibres - PVA fibres - Aramid fibres - Melt spinning - Polymer feed - melt spinning equipment - high speed spinning - spin draw processes - crystallization method - melt spinning of PET & PP stable fibres - wet and dry spinning comparison. Spin finishes - functions of spin finish - methods of application of spin finish - spin finish for polyester staple fibres - spin finish for texturing process - effect of spin finish on dyeing.


UNIT III

FIBRE DRAWING PROCESSES

9

Stretching or drawing - conditions of drawing - machines for draw warping - texturing -false twist process - draw texturing- staple fibre production, melt spinning - drawing, heat setting - crimping in fibre line - production of melt spin staple fibre - polyester tops for wool blending - Mass coloration and tow dyeing of polyester, nylon, acrylic -polypropylene - dyeing in loose fibre and yarn forms of polyester, nylon, acrylic, PP, other synthetic fibres - loose fibre dyeing.

UNIT IV

MODIFIED SYNTHETIC FIBRES

9

Modified synthetic fibres - modified polyester, Nylon, PP, acrylics - Hydrophilic -Hollow -Low pilling - flame retardant- bicomponent fibres - Dyeability of synthetic fibres

UNIT V

TESTING OF YARN AND FIBRES

9

Quality control - testing raw material - testing polymers - testing yarns & fibres - waste utilisation of polyester - nylon 6 - 66 - acrylics - PP- Energy conservation - pollution control.

TOTAL : 45 PERIODS

OUTCOMES: Upon completing this course, the students
• Will have knowledge of polymer used in fiber formation.
• Will demonstrate the processing techniques for fiber formation.
• Will able to prepare a fiber forming polymers
• Will able fiber stretching polymers
• Will attain the knowledge of testing of fiber.

TEXT BOOK:
1. A.A. Vaidya, Production of synthetic fibres, Prentice Hall of India Pvt. Ltd., New Delhi, 1988.

REFERENCES:
1. Fourne, Franz, “Synthetic Fibres, Machines and Equipment, Manufacture, Properties”, Hanser Publishes, 1999.
2. Corbman Bernard P., “Textiles: fibre to fabric”, Sixth Edition, McGraw Hill, 1983.

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