AKTU Polymer Degradation and Stabilisation (BPE052) Syllabus PDF – B.Tech 3rd Year
Polymer Degradation and Stabilisation BPE052
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- Semester 5
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Syllabus — Polymer Degradation and Stabilisation
Download PDFBPE052 · 3 credits · L-T-P 3-0-0
Course Outcomes
| Course Outcomes: The students will be able to | Blooms Taxonomy | |
| CO‐1 | Understand the thermal degradation of polymer | K2 |
| CO‐2 | Understand various aspects of mechanical and Ultrasonic degradation | K2 |
| CO‐3 | Acquire knowledge of degradation of plastics by the effect of light | K2 |
| CO‐4 | Understand knowledge of the phenomenon of biodegradation of polymers | K2 |
| CO‐5 | Understand the knowledge about Chemical methods of degradation of polymers | K2 |
Introduction and Thermal Degradation Definition, Modes of Polymer Degradation, Mechanistic Aspects, Single Step Process and Chain Reactions, Auto Oxidation, Random and Specific Site Attack, Thermal Degradation Introduction, Methods for Evaluation of Heat Resistance (DTA, DSC, TGA, TMA), Mechanistic Aspects, Heat Resistance Polymers, Ablation, Stabilization, Thermal Degradation and Recycling, Heat Effect in Bio Polymers.
Mechanical Degradation and Ultrasonic Degradation Introduction, Mechanistic Aspects, Degradation Studies, Polymer Degradation in Solution.
Ultrasonic Degradation, Importance, Experimental Methods, Mechanism of Ultrasonic Degradation (Cavitation and Direct Effects), Degradation Studies (Detection of Transient Species and Molecular Weight Distribution) Application of Mechanical Degradation: Stress, Induced Chemical Alterations of Polymers, Mastication of Natural and Synthetic Rubber, Mechano Chemical Synthesis of Block and Craft Copolymers.
Photo degradation Introduction, Mechanistic Aspects (Excited States, Free Radicals and Ionic Species, Energy Transfer and Energy Migration), Degradation in the Absence of Oxygen (Norrish Types I & II Reactions), Photo Oxidation (Auto Oxidative Process, Sensitized Degradation), Stabilization, Application: Polymers with Predictable Life Time, Photo resists.
Degradation By High Energy Radiation and Biodegradation Introduction, Aspects of Radiation, Mechanistic Aspects, Simultaneous Cross Linking and Degradation, Radiation Stability and Protection Radiation Effects in the Bio Polymers, Application: Lithography, X – ray Resists in Contact Microscopy, Graft and Block Copolymerization Bio degradation, Modes of Biological Degradation, Enzymatic Degradation in Bio Polymers (Polysaccharides, Proteins, Malice Acids) Microbial Degradation of Synthetic Polymers, General Applications of Bio Degradable Plastics, Examples of Biodegradable Polyesters and Polyamides.
Chemical Degradation Introduction, Solvolysis, Polymer Characterization by Solvolysis, Stability of Polymer Against Solvolytic Agents, Commercial Applications, Ozonisation, Oxidative Degradation, Auto Oxidation of Polymers. Ionic Degradation: Alkaline Degradation of Poly Saccharides, Acidic Degradation of Polyaldehydes and Polyacetals, Cationic Degradation of Polypropylene Sulphide and Polyesters.
Text Books :‐
- W. Schnabel, Polymer Degradation ‐ Principles and Practical Applications Hanser Publishers, New York, 1992.
- Ann ‐ Christine Albertsson, Samuel J. Huang, "Degradative Polymers Recycling and Plastic Waste Management" Marcel Dekker, New York, 1995.
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