Polymer and Rubber Processing
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Polymer and Rubber Processing Syllabus — Unit-wise Content
The official GTU curriculum for Polymer and Rubber Processing (subject code 3163618) as prescribed for Chem. Tech. · Semester 6 divides the course into 8 units, covering 38 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 (3163618)Unit 1 Introduction to Polymer Compounding
- Raw polymeric (Plastics and Elastomers) materials
- Compounding processes such as mastication and mixing
- Properties & various applications of additives
- Compounding machineries & parameters – different types of mixing roll mills
- internal mixers
- solution mixers and extruders
- Curing of rubber materials
- Making of Compounds for products such as tires
- mats & other products
Unit 2 Extrusion
- Introduction basics of extrusion process
- Different types of extruders
- general constructional features of single screw and twin screw extruders
- machine design features eg: drives
- types of screw
- compression ratio
- flight depth
- helix angle and screw clearance
- Rubber extrusion
Unit 3 Compression Moulding
- Introduction and different types of moulds
- the compression moulding cycles
- trouble shooting
- Compression moulding of thermoplastics. advantages and drawbacks of the process
Unit 4 Injection moulding
- Construction and specifications of Injection moulding machines
- Types of Injection moulding machines
- types of clamping - Toggle and hydraulic clamps
- clamp force requirements
- Injection moulding variables for ram and screw type machines (temp.
Unit 5 Transfer moulding
- Fundamental principles of transfer moulding
- Different types of transfer moulding - pot, plunger and screw transfer moulding
- Transfer molds: Integral moulds and auxiliary ram moulds
- Advantages over other moulding techniques
Unit 6 Blow moulding
- Basic Principles of machines and processes for manufacture of bottles and other hollow products by extrusion blow moulding
- injection blow moulding and stretch blow moulding
Unit 7 Rotational moulding
- different types
- advantages and limitations
- type of materials that can be processed and moulds used
Unit 8 Thermoforming and Calendering
- General constructions of the processes and its types
- Rubber Calendaring 5 Subject Code: 3163618 w.e.f
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