IIT Kharagpur Course , Prof. D. Dhara

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IIT Kharagpur Course , Prof. D. Dhara

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 - Carothers 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.

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 - Carothers 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.

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3.4 (33 Ratings)

Polymer Chemistry by Dr. D. Dhara,Department of Chemistry and Biochemistry,IIT Kharagpur.For more details on NPTEL visit httpnptel.ac.in

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

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