Textiles & Quality Analysis
Week 1:
- Introduction to Textiles– classification and terminology- Part 1
- Introduction to Textiles– classification and terminology - Part 2
- Part 1- Cotton – history, composition, types, production and physical properties
- Part 2 -Cotton –Chemical & Biological Properties and Consumer preferences
- Assignments
Week 2:
- Linen – history, composition, properties, production and uses
- Wool – history, composition, types, properties, production and uses
- Silk– history, composition, types, properties, production and uses
- Rayon fibre- history, composition, types, properties, production and uses
- Assignments
Week 3:
- Nylon fibre - history, composition, types, properties, production and uses
- Polyester- history, composition, types, properties, production and uses, consumer preference, blends and uses
- Acrylic fibre - history, composition, types, properties, production and uses
- Identification of Textile Fibres
- Assignments
Week 4:
- Methods of spinning – mechanical spinning
- Methods of spinning -chemical spinning
- Yarns- Part I
- Yarns- Part II
- Assignments
Week 5:
- Fabric construction methods Part 1
- Fabric construction methods Part 2
- Introduction to fabric finishes Part 1
- Mechanical Finishes Part 2
- Assignments
Week 6:
- Chemical finishes Part 3
- Special purpose finishes Part 1
- Special purpose finishes Part 2
- Weaving- introduction & Basics of Loom operations
- Assignments
Week 7:
- Preparation for weaving -warp preparation process, drafts and peg plans for various weaves
- Weaving calculations- weft consumption, loom setting – sectional and peg warping
- Shuttle less looms
- Fundamental weaves
- Assignments
Week 8:
- Complex weaves – introduction, colour and weave effects
- Knitting – terminology, characteristics
- Warp knits – principle, characteristics of warp knits and types
- Types of fabrics & their selection
- Assignments
Week 9:
- Introduction to computer design software CAD
- Introduction to dyeing and printing - principles of dyeing; related terminology; Difference between dyeing and printing
- Types of dyeing- fiber, yarn and fabric
- Natural dyes- history, sources, environmental advantages, method of moranting and dyeing
- Assignments
Week 10:
- Styles of dyeing – Resist, discharge
- Hand printing – painting, stencil, block, spray
- Machine printing – flat bed and rotary, screen, spray, flock
- Advanced methods of printing –Digital printing
- Assignments
Week 11:
- Technical textiles and Smart Textiles
- Major Fabric Faults and Fabric Inspection
- Introduction to textile testing- importance, definition of related terms, sampling methods
- Fibre length and fineness
- Assignments
Week 12:
- Yarn testing – yarn characteristics and yarn numbering – tex, denier and count, measurement of twist and crimp
- Fabric testing – geometric properties – fabric count, thickness; fabric weight
- Fabric testing – bow and skewness, moisture content, moisture regain, dimensional stability
- Tensile strength – related terms, stress-strain curves
- Assignments
Week 13:
- Principles of Tensile Testing
- Fabric testing – Air permeability, Fabric stiffness, Drapability
- Fabric testing – Tear strength, abrasion resistance, pilling
- Importance of colourfastness and tests for colourfastness
- Assignments
Week 14:
- Garment testing – Raw material testing - Preliminary Inspection
- Garment testing – In-process Inspection
- Garment testing – Final Inspection
- Assignments