Study-Unit Description

Study-Unit Description


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

 
STUDY-UNIT TYPE Lecture

 
METHOD OF ASSESSMENT
Assessment Component/s Assessment Due Sept. Asst Session Weighting
Progress Test SEM1 No 15%
Examination (2 Hours) SEM1 Yes 85%

 
LECTURER/S Emmanuel Sinagra

 

 
The University makes every effort to ensure that the published Courses Plans, Programmes of Study and Study-Unit information are complete and up-to-date at the time of publication. The University reserves the right to make changes in case errors are detected after publication.
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.

https://www.um.edu.mt/course/studyunit