Advance Plastics Processing
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Follow on Instagram for UpdatesAdvance Plastics Processing Syllabus — Unit-wise Content
The official GTU curriculum for Advance Plastics Processing (subject code 2162308) as prescribed for Plastic · Semester 6 divides the course into 7 units, covering 103 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (2162308)Unit 1 Reaction injection molding A. Introduction
- various terms in RIM, requirements
- raw material as monomers like polyols
- chemistry of monomers
- chemical system
- concept of equivalent wt
- Pre polymers hydroxyl analysis
- additives and auxiliary materials like surfactants
- expanding agents
- cross linkers
- storage and handling of polyols and isocynates
- Advantages and limitations as compared to cast urethane technology
- comparison with injection molding
- Process: Formulations
- selection of process
- process steps in detail from storage to shipment
- process variables as mat.
- polymer property
- post curing
- advantages & disadvantages. instrumentation & control
- gas loading
- measuring the gas loading & fillers
- process control
- structure of micro cellular parts
- process adv. & disadv.
- dimensional characteristics of rim parts
- reinforced rim elastomers
- other rim processes like nyrim etc.
- summary of feature of rim process
- applications in various fields
Unit 2 CALENDERING
- Calendaring - Basic process
- material and products
- calendaring plant
- types of calendars
- roll construction
- roll configurations
- heating system
- film and sheet lines
- laminating and embossing lines
- various parameters
- control and their effect on quality
- causes and remedy
- Calendaring lines – General purpose line
- pre-calender and post-calender train
- special lines and arrangements
- calendered flooring lines
- lamination with calender
- Analysis of calendaring – (through put)
- pressure profile through calendar
- flow and pressure generation at calendar nip, roll separation forces and methods of compensation
- roll bending
- roll deflection
- methodologies to take care of roll bending & deflection
- sheet gauge thickness control
Unit 3 ROTATIONAL MOULDING
- Rotational moulding - Basic process
- materials and products parameters
- effect on product quality
- control system
- bubble formation of rotational molding
- methods of bubble removal
- effect of internal pressure in rotational molding
- multilayer rotational moulding
- rotational moulding of nylon
- polyethylene etc.
- rotational moulding of liquid polymer
- Rotational moulding equipments
- batch type and continuous type machines
- Rotational moulding process analysis - mould temperature rise
- heat and melt flow in rotational moulding
- cycle time calculations
Unit 4 BLOW MOULDING
- Blow moulding – Fundamentals of the process
- complete blow moulding operation
- accumulator based machines
- extrusion blow moulding
- injection stretch blow moulding
- Blow moulding machines
- start-up and shut-down procedures
- process control
- blow moulding plants
- parisan wall thickness control
- parisan swell
- parisan inflation
- cutting devices
- process parameters and their effect on product quality control
- moulding defects - causes and remedy
Unit 5 FOAM PROCESSES
- Introduction to foam process
- general production method
- various definition {terminology}
- foam classification
- rigid - Flexible
- Rigid: Manufacturing foam as PU, polyester cellular, CA, thermosetting foam
- epoxy resin
- phenolics, UF
- Flexible: Foamed vinyl
- open\closed cell vinyl foam cellular poly ethylene
- ethylene copolymer monomer
- silicone foam
- expandable PE
Unit 6 Miscellaneous process
- foil embossing
Unit 7 Plastic Coatings
- Applications mainly in Automobile
- Explanation of surface tension
- coefficient of thermal expansion
- structure & conformation
- Types of Adhesion & Wetting
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