Polymerisation mechanismsChemistry of condensation polymerisation, types of condensation polymers. Types of stepwise reactions. Interfacial condensation, Ring opening polymerisation reactivity and molecular size. Poly functional condensation polymerisation gelation, gel point experimental observation, Molecular weight distribution, ring scission polymerisation, Metathesis polymerisation, group transfer polymerisationHeat and free energy of polymerisation, Cationic polymerisation mechanisms and kinetics of anionic polymerisation, examples, kinetics and mechanism, co -ordination polymerisation, polymerisation with supported metal oxides. Different types of catalysts, kinetics of step polymerisation, copolymerisation, and reactivity ratios.Methods of polymerisationCopolymerization: types of copolymers, the copolymer composition equation,monomerreactivity ratio and copolymer structure, influence of structural effectsof monomers on monomer reactivity ratios, the Q-e scheme, synthesis ofalternating, block and graft copolymers.Stepreaction(condensation) polymerization-kinetics and mechanism of stepreaction polymerization, Carothers equation, number distribution and weightdistribution functions, polyfunctional step reaction polymerization, prediction of gel point. Controlled polymerization methods-nitroxidemediated polymerization, AtomTransfer Radical Polymerization(ATRP), Reversible Addition Fragmentation Termination(RAFT), electrochemical polymerization, metathetical polymerization, group transfer polymerization.Polymer reactionsHydrolysis, acidolysis, aminolysis, hydrogenation, addition and substitution reactions, Reaction of various specific groups, cyclisation reaction, cross linking reactions, reactions leading to graft and block copolymer.Polymer viscoelasticity, introduction to the viscoelastic properties of polymers,some simple linear viscoelastic models-Maxwell model, Voigt model, seriescombination of Maxwell and Voigt model, generalized linear viscoelasticity, the Boltzman principle, the linear viscoelastic behavior of polymer solids, creepexperiments, stress relaxation experiments, stressstrain experiments, oscillatoryexperiments, the elastic modulus, time temperature equivalence, time-temperaturesuperposition principle.Rheological properties of polymers -introduction to polymer melt rheology,Newtonianfluids,non-Newtonian fluids, pseudoplastic, thixotropy, St. Venantbody, dilatant, complex rheological fluids, rheopectic fluids, time dependentfluids, time independent fluids, power law, Weissenberg effect, laminar flow,turbulent flow, die swell, shark skin, viscous flow, melt flow index.Transport in polymers-diffusion, liquid and gas transport, Ficks law, theories ofdiffusion.
