Course Objectives :
The course aims to make the students aware about the structure and morphology of polymers and various techniques for the determination of molecular weight of polymers, to make students aware of the kinetics and mechanism of polymerization reactions and to expose the students to new materials.
Course Outcomes (COs):
COURSE |
Learning outcomes (at course level) |
Learning and teaching strategies |
Assessment Strategies |
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Paper Code |
Paper Title |
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CHY 423(A) |
Polymers and Material Chemistry |
The students will be able to-
CO138- explain the various methods of molecular weight measurements of polymers and calculate their number average and weight average molecular weights. CO139- compare the nature of crystal structures and morphology of polymers of various degree of crystallinity. CO140- interpret mechanism and kinetics of polymerization. CO141- elucidate the structures of metal clusters, boron cage compounds CO142- classify and characterize different silicates and aluminosilicates and discuss their applications. |
Interactive Lectures
Discussions
Tutorials
Quiz
Problem solving
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Google Quiz
Assignment
Semester End Exam
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Introduction, classification of polymers, average molecular weight, number-average and weight-average molecular weights, sedimentation and viscosity average molecular weights. Polydispersity and molecular weight distribution, practical significance of molecular weight. Measurement of molecular weights: End-group, viscosity, light scattering, osmotic and ultra centrifugation methods.
Morphology and order in crystalline polymers: Configuration of polymer chains, crystal structure of polymers, morphology of crystalline polymers, crystallization and melting, strain-induced morphology, crystallization and melting, glass transition temperature Tg, factors affecting Tg, crystalline melting point Tm, factors affecting Tm.
Mechanism of stepwise polymerization, kinetics and statistics of linear stepwise polymerization, polyfunctional step-reaction polymerization:Prediction of gel point. Kinetics of free radical chain polymerization, cationic and anionic polymerization and Kinetics of copolymerization.
Higher boranes, carboranes, metalloboranes and metallocarboranes, compounds with metal-metal multiple bonds.
Classification, structure, properties and applications of naturally occurring silicates and aluminosilicates.Synthesis of pillared clays and zeolites. Characterization of clays and zeolites from measurement of surface area, surface activity pore size, distribution and interlayer spacing.Application of clays, pillared clays and zeolites with emphasis of catalyses.