Polymer Chemistry

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Contents:
Introduction : Definitions, origin, nomenclature, classification of macromolecules; molecular weight (MW) and its distribution; thermal transitions; thermodynamics of polymerization.
Step Polymerization : Reactivity of functional groups; kinetics; molecular weight in open and closed system – Carother’s equation; stoichiometric control of MW; cyclization vs. linear polymerization, cross-linking and gel point; process condition; step-copolymerization, examples of step polymers.

Radical Chain Polymerization : Nature of chain polymerization and its comparison with step polymerization; radical vs. ionic polymerizations; structural arrangements of monomer units; kinetics of chain polymerization; molecular weight and its distribution; chain transfer, inhibition, retardation, auto-acceleration; energetic characteristics; techniques of radical polymerization – bulk, solution, emulsion, suspension polymerization; examples of polymers made by radical chain polymerization.
Living radical polymerization : Theory; nitroxide-mediated polymerization (NMP); atom transfer radical polymerization (ATRP); radical addition-fragmentation transfer (RAFT); others.
Ionic chain polymerization : Comparison of radical and ionic polymerizations; cationic polymerizations – kinetics, mechanism; anionic polymerization – kinetics, mechanism; living anionic polymerization; examples.

Chain co-polymerization : General considerations; types of copolymers, copolymer compositions, reactivity ratio; radical and ionic copolymerizations; examples.
Stereoregular polymerization : Origin and types of stereoisomerism in polymers; factors influencing stereoregulation; properties of stereoregular polymers; stereospecific ionic polymerizations; coordination polymerization; Ziegler-Natta polymerization, metallocene polymerization; examples
Other polymerization processes : Ring opening polymerization; group transfer polymerization; metathesis polymerization, etc.
Polymers in solution : Thermodynamics of polymer solutions; Flory-Huggins theory, theta conditions; solubility parameters; fractionation of macromolecules
Chain dimensions : Freely joined chain; effect of geometric and volume restrictions; frictional properties of macromolecules in dilute solution.

Characterization of macromolecules : Determination of molecular weight – methods for measuring number average, weight average, viscosity average MW; gel permeation chromatography; spectroscopic techniques to determine chemical composition and molecular microstructure.
Reaction of macromolecules : Reactions with polyolefins, polyenes, pendant groups; polymer degradation – thermal degradation, degradation by catalyst residues, degradation by end groups; mechanism of stabilization – antioxidants and heat stabilizers, catalyst quenchers, end-capping;
Polymer properties and supermolecular structure : Properties of solid polymers, amorphous and crystalline phases of polymers, structure-property relationship.
Special topics/ Newer topics : Naturally occurring polymers, biodegradable, biosynthesis, polymers from bio/renewable resources.

Course Curriculum

Mod-01 Lec-01 Introduction to Polymers Details 57:32
Mod-01 Lec-02 Introduction to Polymers (Contd.) Details 56:37
Mod-01 Lec-03 Introduction to Polymers (Contd.) Details 58:52
Mod-01 Lec-04 Step – growth Polymerization Details 59:8
Mod-01 Lec-05 Step – growth Polymerization (Contd.) Details 57:21
Mod-01 Lec-06 Step – growth Polymerization (Contd. ) Details 59:11
Mod-01 Lec-07 Step – growth Polymerization ( Contd. ) Details 58:58
Mod-01 Lec-08 Step – growth Polymerization (Contd. ) Details 58:8
Mod-01 Lec-09 Radical Chain Polymerization Details 58:32
Mod-01 Lec-10 Radical Chain Polymerization (Contd.) Details 59:25
Mod-01 Lec-11 Radical Chain Polymerization (Contd. ) Details 59:8
Mod-01 Lec-12 Radical Chain Polymerization (Contd. ) Details 58:39
Mod-01 Lec-13 Radical Chain Polymerization (Contd.) Details 0:59
Mod-01 Lec-14 Radical Chain Polymerization (Contd.) Details 59:43
Mod-01 Lec-15 Radical Chain Polymerization (Contd.) Details 58:2
Mod-01 Lec-16 Radical Chain Polymerization (Contd.) Details 56:56
Mod-01 Lec-17 Ionic Chain Polymerization Details 59:4
Mod-01 Lec-18 Ionic Chain Polymerization (Contd.) Details 58:3
Mod-01 Lec-19 Ionic Chain Polymerization (Contd.) and Chain Copolymerization Details 59:13
Mod-01 Lec-20 Chain Copolymerization (Contd.) Details 59:27
Mod-01 Lec-21 Chain Copolymerization (Contd. ) Details 59:22
Mod-01 Lec-22 Chain Copolymerization (Contd.) and Ring Opening Polymerization Details
Mod-01 Lec-23 Polymer Stereochemistry and Coordination Polymerization Details 57:59
Mod-01 Lec-24 Polymer Stereochemistry and Coordination Polymerization (Contd.) Details 1:1:17
Mod-01 Lec-25 Polymer Solutions Details 57:32
Mod-01 Lec-26 Polymer Solutions (Contd.) Details 22:51
Mod-01 Lec-27 Polymer Solutions (Contd.) Details
Mod-01 Lec-28 Polymer Solutions (Contd.) and Chain Dimensions Details 1:4
Mod-01 Lec-29 Chain Dimensions (Contd.) and Frictional Properties of Solution Details 57:6
Mod-01 Lec-30 Frictional Properties of Solutions (Contd.) and Determination of Molecular Weight Details 59:51
Mod-01 Lec-31 Determination of Molecular Weight of Polymers (Contd.) Details 58:29
Mod-01 Lec-32 Determination of Molecular Weight of Polymers (Contd.) Details 58:59
Mod-01 Lec-33 Determination of Molecular Weight of Polymers (Contd.) Details 56:59
Mod-01 Lec-34 Structural Analysis of Polymers by Spectroscopic Methods Details 56:51
Mod-01 Lec-35 Amorphous and Crystalline State : Tg and Tm Details 59:19
Mod-01 Lec-36 Amorphous and Crystalline State : Tg and Tm (Contd.) Details 51:53
Mod-01 Lec-37 Polymer Properties and Evaluation : Mechanical Properties Details 58:36
Mod-01 Lec-38 Polymer Properties and Evaluation : Mechanical Properties (Contd.) Details 56:20
Mod-01 Lec-39 Other Properties (Contd.) and Polymer Additives Details 52:28
Mod-01 Lec-40 Polymer Additives (Contd.) Details 52:7
Mod-01 Lec-41 Polymer Additives (Contd.), Blends, Concluding Remarks Details 53:16

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