Unit 1 Introduction to Additives

4 lecture hours

• Introduction - Technological Requirements - Classification - Chemistry and Mechanism - Selection Criteria - General effect on Properties - Evaluation and functions of additives

Unit 2 Additives

10 lecture hours

• Antioxidants - Stabilizers (Heat & UV) - Plasticizers - Fillers and reinforcements - Impact Modifiers - Lubricants - Slip and Anti-block agents - Processing aids - Blowing agents - Flame Retardants - Anti-static & Conductive additives - Nucleating agents - Colorants - Additives for Recycling

Unit 3 Compounding Techniques

15 lecture hours

• Selection of Polymers and Compounding ingredients - General objectives - possibilities and limitations of mixing and compounding - Methods of incorporation of additives into polymer materials

Unit 4 Compounding Equipments

15 lecture hours

• Mixing and mixing equipments
• 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 - Single Screw extruder - Twin Screw extruder

Unit 5 End use Market for Plastics

• Principles of Material selection including consideration of conventional materials competitive with plastics - Case studies on material suitability (e.g.
• Plastic Gears
• Feeding Bottle
• Bowels for micro wave ovens)
• Survey and uses of plastics with reasons for their importance in major industries like
• Electronics and Telecommunications
• Medical and Furniture. 10 Subject Code: 3722410 w.e.f