Plastic Additives, Compounding and Blends
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Plastic Additives, Compounding and Blends Syllabus — Unit-wise Content
The official GTU curriculum for Plastic Additives, Compounding and Blends (subject code 3172316) as prescribed for Plastic · Semester 7 divides the course into 3 units, covering 20 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 (3172316)Unit 1 Introduction – Technological Requirements – Classification – chemistry and
- Mechanism – Selection Criteria – General effect on Properties – Evaluation and functions of additives
Unit 2 Fillers – Reinforcements – Thermal Stabilizers- Antioxidants (Heat & UV) –
- Plasticizers - Impact Modifiers – Lubricants - Processing aids – Blowing agents – Flame Retardants – Anti-static agents – Anti blocking agent- Slip and anti slip agent- processing aids- Mould releasing agents
- Conductive additives- Toughening agents – Nucleating agents – Colorants – Additives for Recycling – aids – mould releasing agents
- coupling agents
- antislip, etc
- Commercially available fillers and Additives 10 Compounding Subject Code: 3172316 w.e.f
Unit 3 Selection of Polymers and Compounding ingredients – General objectives –
- possibilities and limitations of mixing and compounding – Methods of incorporation of additives into polymer materials
- Dispersive and distributive mixing
- Mixing and Mixing Equipments
- Mixing equipment for Compounding & Blending of Plastics
- Principles – Operating characteristics – Machine construction – Specifications – Process control systems and working details of Batch mixers and continuous mixers – High speed mixer – Two roll mill – Banbury Mixer – Ribbon blender – Planetary mixers –Twin screw extruders [ co rotating / counter rotating ]. 8 Blends Introduction: Definitions
- need to alloy & blend polymers - reasons for blending - Difference between blends and composites - raw material selection criteria
- historical outline of industrial development of polymer alloys and blends 3 Alloys & blends
- Methods of blending-how to select blend components
- steps in blending
- Polymer-polymer miscibility
- methods of Compatibilizations. 6 Commercial polymer alloys and blends: Blends of engineering and commodity plastics like PVC/ABS
- Thermoplastic elastomers etc. study along with properties and applications. 7 Characterization of Blends: characterization techniques like differential scanning Calorimetry (DSC), TGA, FTIR
- Scanning electron micrographs (SEM)
- TEM etc
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