Textile Fibre-II

Classification of man-made fibres definition of regenerated and synthetic fibres, Concepts of molecular weight, Degree of polymerization, Orientation and Crystallinity, Characteristics of fibre forming polymer.

Introduction to methods of fibre formation by melt spinning, dry spinning, & wet spinning, Polyethylene terepthalate fibre (PET) – History of development, Brief manufacturing process, Polymer production by DMT & PTA route, Chips drying, physical & chemical properties of polyester fibres, applications.

Polyamide Fibres – History of development, Different types of polyamide fibres, Nylon polymer production by continuous polymerization in VK Tube, Manufacturing of Nylon 6 fibre by melt spinning, Properties of nylon 6 fibre, Polymer production of Nylon 66, Nylon 66- fibre formation by melt spinning, Physical & chemical properties and, applications.

Polyacrylonitrile fibres, Polyurethane fibres brief manufacturing process by wet and dry spinning, physical and chemical properties of acrylic fibres & its applications, Properties of polyethylene fibre, Type of polypropylene (PP), Properties of polypropylene fibre. Introduction of High Performance fibres.

Introduction to regenerated fibre, Raw material for viscose rayon, Manufacturing sequence of viscose fibre, Steeping and pressing, Cutting and shredding, Ageing, Xanthation of sodium cellulose, Mixing and filtration, Ripening, Wet spinning of viscose rayon, Introduction to Acetate, Triacetate fibres and Lyocell fibres.