Unit 1 Introduction to Polymer Blends & Alloys

8 lecture hours

• Historical outline of industrial development of polymer blends and alloys
• Blends of Polymers & rubbers
• definitions of terms used in polymer blends & alloys
• Compounding of Polymer Blends
• Fundamentals of polymer mixing
• Blending methods and equipment
• Type of blends: RTM DMC, SMC, and IPN
• Commercial Polymer Blends

Unit 2 Factors affecting miscibility of polymer blends- Thermodynamics, compatibility,

8 lecture hours

• solubility parameter
• interaction parameter
• molecular weight
• transition temperature
• mechanism of blending, etc
• Properties of miscible and immiscible blends

Unit 3 Blends of engineering and commodity plastics

6 lecture hours

• like PVC/ABS
• PC/ABS and PPO/HIPS

Unit 4 Polymer Toughening

8 lecture hours

• Mechanism and theory of toughening
• Toughening of thermoplastics and thermosets
• Thermoplastic elastomers (TPEs)
• Characterization of polymer blends

Unit 5 Introduction to Composites

10 lecture hours

• Raw Materials
• Functions of constituent phases
• Classification of composites
• Advantages and limitations of polymer matrix composites over MMC and CMC, Applications

Unit 6 Applications of Composites & Nanocomposites- Flame retardant textiles,

• Toughened plastics
• Automotive bodies
• Vacuum cleaners
• Covers for mobile phones
• Power tools. 05 Subject Code: 3173619 w.e.f