Introduction to polymer processing – Plastics processing techniques.General description of extrusion processes, type of extruders, screw and their output in terms ofdrag, leakage and pressure flow, influence of screw dimensions and output, die and screwcharacteristics. Design of barrel and screw for commodity, heat sensitive and engineeringpolymers.Barrier Screws.
Individual extrusion systems, Dies, Sizing and Downstream equipments, Faults, Causes and Remedies for film, pipe, lamination, profiles, cables, sheet, Box Strapping.
Twin-screw extrusion and Co Extrusion systems. Casting of films. Multi layer systems for Films and Pipe. Faults, causes & remedies.
General description of Compression and Transfer moulding and its application in processing of thermosetting materials.Faults, Causes & Remedies.
Calendaring and Milling: Introduction, calendar roll, calendar configuration and operations. Recycling of plastics.