BHT054 Production of Manufactured Fiber Syllabus — AKTU 2024-25

Syllabus

5 units · 45 lecture hours

Unit1

Unit 1

9 hrs

Evolution of Manufactured fiber, Fiber forming process, Fiber products and properties, Molecular orientation and crystallinity in fibers, Polymer as Fiber, Plastics and Rubber, Fiber Morphology, Thermal Transitions. Application area.

Unit2

Unit 2

9 hrs

Phenomena of fluid flow during fiber spinning: Shear Flow- Viscose flow and Newtonian fluids, capillary flow. Non-Newtonian Fluids - Time-independent fluids & Time-dependent fluids, Factor affecting shear viscosity, Spinnability of fluids, Flow Instabilities – dieswell and melt fracture, draw resonance.

Unit3

Unit 3

9 hrs

Melt Spinning: Spinning Line - Feature, extruder, spinning manifold, spin pack & spinneret, cooling system. Melt spinning variables and Conditions for Continuous Spinning, Special Features of High Speed Spinning – LOY, POY, FOY, and HOY. Structure development in Polyester and Nylon during spinning.

Unit4

Unit 4

9 hrs

Solution Spinning: Process variable in solution spinning. Dry-Spinning – Preparation of dope, Spinning process – spinning cell, fiber cross-section formation, spin-stretch during dry-spinning, finish application and winding. Wet-Spinning – Solution Preparation and Transport, Coagulation- coagulation process, Spin-stretch during coagulation, structure and morphology of fiber in solution-spinning, Salient features of solution spinning.

Unit5

Unit 5

9 hrs

Post-Spinning Operations: Drawing - drawing systems, influence of drawing on structure and properties of fibres, Heat setting- Types of heat setting, influence of heat setting on fiber behavior, Spin finish - Importance of Spin finish composition & application, Texturing- classification & different techniques of texturizing. Introduction and use of high performance fibers- Aramids, Carbon, Glass.

Course Objectives5 points

To enable the students to learn about the fiber forming process, fiber morphology and its application areas.
To expose the students to principle phenomena of fluid flow during fiber spinning.
To expose the students to advances in the melt spinning process.
To brief students to advances in the solution spinning process.
To enable the students to learn about the advanced post spinning operations, and high performance fibers and its applications.

Course Outcomes (COs)5 outcomes

After completion of the course student will be able to:

CO1To explain the fiber forming process, fiber morphology and its application areas.
CO2To describe principal phenomena of fluid flow during fiber spinning.
CO3To discuss the working of the melt spinning machines.
CO4To compare and explain the different types of solution spinning process.
CO5To describe the advanced post spinning operations, and application of high performance fibers.

Text Books

Kothari V. K., “Textile Fibres: Development and Innovations”, Vol. 2, Progress in Textiles, IAFL Publications, New Delhi, 2000
Characterization of Polymers and Fibres: M K Singh, A Singh Elsevier Publication Cambridge USA, 2021, eBook ISBN: 9780128242391
Nakasjima (English edition, edited by Kajiwara K. and McIntyre J. E.), “Advanced Fibre Spinning Technology”, Wood head Publication Ltd., England, 1994.

References

Gupta V. B. and Kothari V. K. (Editors), “Manufactured Fibre Technology”, Kluwer Academic Publishers, 1997.
Cook J. G., “Handbook of Textile Fibres: Vol. 2: Man Made Fibres”, The Textile Inst., 5th Ed. 1984.
Srinivasa Murthy H. V., “Introduction to Textile Fibres”, Textile Association, India, 1987.
Uddin, F. , (Ed.). (2019). Textile Manufacturing Processes.
Gupta, V. B., & Kothari, V. K. (2012). Manufactured Fibre Technology. Dordrecht: Springer Netherlands.

Official AKTU syllabus

This subject is on page 17, 18 of the original AKTU PDF.

Official AKTU syllabus PDF ↗