PL2043 POLYMER DEGRADATION AND STABILISATION SYLLABUS | ANNA UNIVERSITY BTECH POLYMER TECHNOLOGY 8TH SEMESTER SYLLABUS REGULATION 2008 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY 8TH SEMESTER B.TECH POLYMER TECHNOLOGY DEPARTMENT SYLLABUS, TEXTBOOKS, REFERENCE BOOKS,EXAM PORTIONS,QUESTION BANK,PREVIOUS YEAR QUESTION PAPERS,MODEL QUESTION PAPERS, CLASS NOTES, IMPORTANT 2 MARKS, 8 MARKS, 16 MARKS TOPICS. IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011 2012-2013 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI, TIRUNELVELI,COIMBATORE), 2008 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009
PL2043 POLYMER DEGRADATION AND STABILISATION L T P C
3 0 0 3
AIM
To learn about the degradation and stabilization of polymers
OBJECTIVES
To understand the various modes of thermal, mechanical, photo degradation & chemical
degradation of polymers of the mechanism of degradation and stabilization of the
degradation process
UNIT I INTRODUCTION AND THERMAL DEGRADATION 9
Definition - Modes of Polymer Degradation - Mechanistic Aspects - Single Step Process
and Chain Reactions - Auto Oxidation - Random and Specific Site Attack - Thermal
Degradation: Introduction - Methods for Evaluation of Heat Resistance (DTA, DSC, TGA,
TMA) - Mechanistic Aspects - Heat Resistance Polymers - Ablation –Stabilization –
Thermal Degradation and Recycling - Heat Effect in Bio Polymers.
74
UNIT II MECHANICAL DEGRADATION AND ULTRASONIC DEGRADATION 9
Introduction - Mechanistic Aspects Degradation Studies - Polymer Degradation in
Solution Ultrasonic Degradation - Importance - Experimental Methods - Mechanism of
Ultrasonic Degradation (Cavitations and Direct Effects) - Degradation Studies (Detection
of Transient Species and Molecular Weight Distribution) Application of Mechanical
Degradation: Stress - Induced Chemical Alterations of Polymers- Mastication of Natural
and Synthetic Rubber - Mechano Chemical Synthesis of Block and Craft Copolymers.
UNIT III PHOTO DEGRADATION 9
Introduction - Mechanistic Aspects (Excited States, Free Radicals and Ionic Species,
Energy Transfer and Energy Migration) - Degradation in the Absence of Oxygen (Norrish
Types I & II Reactions) - Photo Oxidation (Auto Oxidative Process, Sensitized
Degradation) - Stabilization - Application: Polymers with Predictable Life Time, Photo
resists.
UNIT IV DEGRADATION BY HIGH ENERGY RADIATION AND
BIODEGRADATION 9
Introduction - Aspects of Radiation - Mechanistic Aspects - Simultaneous Cross
Linking and Degradation - Radiation Stability and Protection Radiation Effects in the Bio
Polymers - Application: Lithography, X - ray Resists in Contact Microscopy- Graft and
Block Copolymerisation Bio degradation - Modes of Biological Degradation - Enzymatic
Degradation in Bio Polymers (Polysaccharides, Proteins, Malice Acids) - Microbial
Degradation of Synthetic Polymers - General Applications of Bio Degradable Plastics -
Examples of Biodegradable Polyesters and Polyamides.
UNIT V CHEMICAL DEGRADATION 9
Introduction - Solvolysis - Polymer Characterization by Solvolysis - Stability of Polymer
Against Solvolytic Agents - Commercial Applications - Ozonisation - Oxidative
Degradation - Auto Oxidation of Polymers. Ionic Degradation: Alkaline Degradation of
Poly Saccharides Acidic Degradation of Polyaldehydes and Polyacetals and Cationic
Degradation of Polypropylene Sulphide and Polyesters.
TOTAL: 45 PERIODS
TEXT BOOKS
1. W. Schnabel, Polymer Degradation - Principles and Practical Applications Hanser
Publishers, New York, 1992.
2. Ann - Christine Albertsson, Samuel J. Huang, "Degradative Polymers Recycling and
Plastic Waste Management" Marcel Dekker, New York, 1995.
PL2043 POLYMER DEGRADATION AND STABILISATION L T P C
3 0 0 3
AIM
To learn about the degradation and stabilization of polymers
OBJECTIVES
To understand the various modes of thermal, mechanical, photo degradation & chemical
degradation of polymers of the mechanism of degradation and stabilization of the
degradation process
UNIT I INTRODUCTION AND THERMAL DEGRADATION 9
Definition - Modes of Polymer Degradation - Mechanistic Aspects - Single Step Process
and Chain Reactions - Auto Oxidation - Random and Specific Site Attack - Thermal
Degradation: Introduction - Methods for Evaluation of Heat Resistance (DTA, DSC, TGA,
TMA) - Mechanistic Aspects - Heat Resistance Polymers - Ablation –Stabilization –
Thermal Degradation and Recycling - Heat Effect in Bio Polymers.
74
UNIT II MECHANICAL DEGRADATION AND ULTRASONIC DEGRADATION 9
Introduction - Mechanistic Aspects Degradation Studies - Polymer Degradation in
Solution Ultrasonic Degradation - Importance - Experimental Methods - Mechanism of
Ultrasonic Degradation (Cavitations and Direct Effects) - Degradation Studies (Detection
of Transient Species and Molecular Weight Distribution) Application of Mechanical
Degradation: Stress - Induced Chemical Alterations of Polymers- Mastication of Natural
and Synthetic Rubber - Mechano Chemical Synthesis of Block and Craft Copolymers.
UNIT III PHOTO DEGRADATION 9
Introduction - Mechanistic Aspects (Excited States, Free Radicals and Ionic Species,
Energy Transfer and Energy Migration) - Degradation in the Absence of Oxygen (Norrish
Types I & II Reactions) - Photo Oxidation (Auto Oxidative Process, Sensitized
Degradation) - Stabilization - Application: Polymers with Predictable Life Time, Photo
resists.
UNIT IV DEGRADATION BY HIGH ENERGY RADIATION AND
BIODEGRADATION 9
Introduction - Aspects of Radiation - Mechanistic Aspects - Simultaneous Cross
Linking and Degradation - Radiation Stability and Protection Radiation Effects in the Bio
Polymers - Application: Lithography, X - ray Resists in Contact Microscopy- Graft and
Block Copolymerisation Bio degradation - Modes of Biological Degradation - Enzymatic
Degradation in Bio Polymers (Polysaccharides, Proteins, Malice Acids) - Microbial
Degradation of Synthetic Polymers - General Applications of Bio Degradable Plastics -
Examples of Biodegradable Polyesters and Polyamides.
UNIT V CHEMICAL DEGRADATION 9
Introduction - Solvolysis - Polymer Characterization by Solvolysis - Stability of Polymer
Against Solvolytic Agents - Commercial Applications - Ozonisation - Oxidative
Degradation - Auto Oxidation of Polymers. Ionic Degradation: Alkaline Degradation of
Poly Saccharides Acidic Degradation of Polyaldehydes and Polyacetals and Cationic
Degradation of Polypropylene Sulphide and Polyesters.
TOTAL: 45 PERIODS
TEXT BOOKS
1. W. Schnabel, Polymer Degradation - Principles and Practical Applications Hanser
Publishers, New York, 1992.
2. Ann - Christine Albertsson, Samuel J. Huang, "Degradative Polymers Recycling and
Plastic Waste Management" Marcel Dekker, New York, 1995.
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