The Radiation Chemistry of Macromolecules

The Radiation Chemistry of Macromolecules

1st Edition - January 1, 1972

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  • Editor: Malcolm Dole
  • eBook ISBN: 9780323152839

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Description

The Radiation Chemistry of Macromolecules is the first from a two-volume series aiming to contribute to the radiation chemistry in general. The chapters in this volume are divided into two major parts, where the first part deals with the basic processes and theory, while the second part tackles experimental techniques and applications to polyethylene. Part I focuses on the discussion on general principles of radiation effects; fundamental concepts on energy transfer; and the theory of free radicals. The subject of polymers is discussed thoroughly in several chapters including its molecular mobilities and electrical conductivity. Part II presents experimental techniques and a description of the radiation chemistry of a single polymer. This part also includes a discussion on the morphology of polyethylene and free radicals in irradiated polyethylene. This book is an important reference to students and scientists in the field of radiation chemistry of macromolecules.

Table of Contents


  • Contributors

    Preface

    Contents of Volume II

    Fundamental Processes and Theory

    Chapter 1 Introduction

    I. Importance of Macromolecular Radiation Chemistry

    II. Relationship between the Radiation Chemistry of Low and High Molecular Weight Compounds

    III. Comparison of Photolysis and Radiolysis

    References

    Chapter 2 Early Processes in Radiation Chemistry and the Reactions of Intermediates

    I. Introduction

    II. General Features of Energy Absorption and Track Structure Produced by Charged Particles

    III. Excitation by Charged Particles

    IV. Fates of Low-Energy Electrons

    V. Kinetics of Reactive Species in the Condensed Phase

    VI. Processes in Rigid Media, Including Macromolecules

    References

    Chapter 3 Energy Transfer in Polymers

    I. Definitions

    II. Charge Transfer

    III. Excitation Energy Transfer. General

    IV. Excitation Energy Transfer. Polymers

    V. Comparison of Charge and Excitation Transfer

    VI. Experimental Observation of Energy Transfer in Polymers

    References

    Chapter 4 Theory of Free Radicals

    I. Introduction

    II. The Molecular Orbital Theory of Free Radicals

    III. Spin Density

    IV. Hybrid Orbitals

    V. The >CH Fragment

    VI. Hyperconjugation of the Methyl Group

    VII. The Structure of Some Higher Alkyl Radicals

    VIII. Exchange Interaction

    IX. Problems of Polymeric Radicals

    References

    Chapter 5 Molecular Mobilities in Polymers

    I. Introduction

    II. Multiple Dispersion Regions in Polymers

    III. Phenomenological Theory of the Relaxation Process

    IV. The Temperature Dependence of the Relaxation Time

    V. Microscopic Theories

    VI. The Defect Model

    VII. Mobility Theories

    VIII. Conclusions

    References

    Chapter 6 Theory of Reactions in the Solid State

    I. General Theory

    II. Application to Solids

    References

    Chapter 7 Theory of the Electrical Conductivity of Polymers

    I. Introduction

    II. Band Theory

    III. Mobility Theory

    IV. Carrier Production and Transport

    V. Photoelectric Effects

    VI. Absorption Currents, Electrets, and Trapping

    VII. Related Processes

    References

    Chapter 8 Electrical Conductivity of Irradiated Polymers

    I. Radiation-Induced Conductivity in Polymers

    II. Permanent Changes of the Conductivity after Irradiation

    References

    Chapter 9 ESR and Optical Studies of Trapped Electrons in Glasses and Polymers

    I. General Considerations

    II. Trapped Electrons in Glasses

    III. Trapped Electrons in Polymers

    References

    Chapter 10 Thermoluminescence in Polymers

    I. Introduction

    II. General Mechanism

    ?II. Electron Traps

    IV. Molecular Motion and Structural Transitions

    V. Glow-Peak Equations

    VI. Thermoluminescence Variation with Dose

    VII. Thermoluminescence in Particular Polymers

    References

    Chapter 11 Statistical Theories of Cross-Linking

    I. Degradation of Polymers

    II. Cross-Linking of Polymers

    III. End-Linking of Polymers

    IV. Cross-Linking of Copolymers

    References

    Experimental Techniques and Applications to Polyethylene

    Chapter 12 Experimental Techniques

    I. Radiation Cells and Techniques

    II. Radiation Dosimetry

    III. Analytical Techniques

    References

    Chapter 13 Radiation Chemistry of Linear Polyethylene

    I. Introduction

    II. Experimental Results and Discussion

    References

    Chapter 14 Free Radicals in Irradiated Polyethylene

    I. Introduction

    II. Type and Identification of Free Radicals

    III. G Values

    IV. Kinetics of Decay

    V. Mechanisms

    References

    Author Index

    Subject Index


Product details

  • No. of pages: 384
  • Language: English
  • Copyright: © Academic Press 1972
  • Published: January 1, 1972
  • Imprint: Academic Press
  • eBook ISBN: 9780323152839

About the Editor

Malcolm Dole

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