CODE | CHE3412 | ||||||||||||
TITLE | Chemistry of Polymers | ||||||||||||
UM LEVEL | 03 - Years 2, 3, 4 in Modular Undergraduate Course | ||||||||||||
MQF LEVEL | 6 | ||||||||||||
ECTS CREDITS | 4 | ||||||||||||
DEPARTMENT | Chemistry | ||||||||||||
DESCRIPTION | Content 1. Classification of polymers: Classification of polymers by origin, chain structure, thermal behaviour, monomer composition, polymerization mechanism, configurations and application. 2. Polymerisability: Functionality, reactivity and purity of monomers. Thermodynamics of polymerisation. 3. Reactivity of polymer molecules: Flory’s principle of equal reactivity. Influence of viscosity on reactivity. The functional group approach. 4. Condensation polymerization: Extent of reaction and average degree of polymerization. Kinetics of condensation polymerization. Limits to the degree of polymerization; Stoichiometric imbalance and impurity, polycondensation polymers. Important condensation polymers eg: polyesters, polyamides, epoxy resins and new condensation polymers. 5. Addition polymerization: Classification. Radical addition polymerization. Kinetics of radical addition polymerization. Cationic polymerization. xAnionic polymerization. Coordination polymerization; Ziegler-Natta polymerization, ring opening metathesis polymerization. 6. Copolymerization: The copolymer equation. Random, block and graft copolymers. 7. Polymerization techniques: Polymerization systems; bulk polymerization, solutions polymerization, suspension polymerization, emulsion polymerization. Polymerization reactors; condensation polymerization, radical addition polymerization. 8. Inorganic polymers: Some important ‘inorganic’ polymerization reactions; condensation polymerization, addition polymerization, ring opening polymerization. 9. Polymer solutions: Solubility of polymers. Shape of long chain molecules in solution. Viscosity of polymer solutions. Thermodynamics of polymer solutions. 10. Measurements of molar masses and molar mass distribution: Determination of average molar masses; end group analysis, membrane, osmometry, vapour pressure osmometry, light scattering, viscometry on dilute polymer solutions. Determination of the molar mass distribution; introduction, turbidimetric titration, fractionation, gel permeation chromatography, MALDI. 11. Physical properties: Thermal behaviour of polymers; glass transition temperature, crystallization, relation between structure and thermal properties; Mechanical properties. Methods of studying the physical properties of polymers. 12. Flow properties of polymeric systems. 13. Role of polymers in the stability of colloidal systems 14. Biopolymers Recommended Text - Walton D. & Lorimer P., Polymers. Oxford University Press |
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STUDY-UNIT TYPE | Lecture | ||||||||||||
METHOD OF ASSESSMENT |
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LECTURER/S | Emmanuel Sinagra |
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The availability of optional units may be subject to timetabling constraints. Units not attracting a sufficient number of registrations may be withdrawn without notice. It should be noted that all the information in the description above applies to study-units available during the academic year 2024/5. It may be subject to change in subsequent years. |