The Radiation Chemistry of Macromolecules - 1st Edition - ISBN: 9780122198021, 9781483272269

The Radiation Chemistry of Macromolecules

1st Edition

Volume II

Editors: Malcolm Dole
eBook ISBN: 9781483272269
Imprint: Academic Press
Published Date: 1st January 1973
Page Count: 424
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The Radiation Chemistry of Macromolecules, Volume II is a collection of papers that discusses radiation chemistry of specific systems. Part 1 deals with radiation chemistry of substituted vinyl polymers, particularly polypropylene (PP) as its structure is intermediate between polyethylene and polyisobutylene. This part also discusses polypropylene oxide (PPOx) for it can be prepared in the atactic, isotactic, and optically active forms. One paper focuses on the fundamental chemical processes and the changes in physical properties that give rise to many different applications of polystyrene. Another paper analyzes poly(methyl methacrylate) and poly(isobutylene)—two important polymers of nongelling substances subject to radiation. Part 2 describes the radiation chemistry of some miscellaneous polymers including the formation of free radicals and their termination. One paper also considers the radiation chemistry of polytetrafluoroethyle (PTFE), which is widely used in industry. Part 3 discusses the effect of radiation on oxidation, mechanical properties, and physical state of polymers. Part 4 addresses macromolecules, particularly the radiation chemistry of biopolymers because of their role in radiation chemistry. The damage done to biopolymers through radiation can affect the responses of living organisms to ionizing radiation. This book can prove valuable to scientists and researchers in the fields of nuclear biology, nuclear science, microchemistry, and cellular biology.

Table of Contents

List of Contributors


Contents oOf Volume I

List of Abbreviations

Radiation Chemistry Of Substituted Vinyl Polymers

Chapter 1 Polypropylene

I. Introduction

II. Gas Evolution and Unsaturation

III. Production of Free Radicals and Their Reactions Other than Cross-Linking

IV. Cross-Linking and Chain Scission

V. Thermoluminescence and Electron Trapping

VI. Effects of Radiation on Ethylene-Propylene Rubber


Chapter 2 Poly(Propylene Oxide)

I. Introductory Survey and Table of G Values

II. Hydrogen and Methane Evolution

III. Chain Scission

IV. Cross-Linking

V. Transient Species


Chapter 3 Poly(Vinyl Chloride)

I. Hydrogen Chloride Evolution

II. Polyene Formation

III. Free Radicals

IV. Relation to Thermal Degradation

V. Physical Properties


Chapter 4 Polyvinyl Acetate

I. Introduction

II. Cross-Linking and Random Scission

III. Trapped Free Radicals

IV. Ultraviolet and Infrared Spectroscopy

V. Gas Evolution

VI. Effects of Branching and Copolymerization

VII. Summary


Chapter 5 Polystyrene and Related Polymers

I. Introduction

II. Primary Processes and Mechanisms

III. Radiation-Induced Reactions in Polystyrene

IV. Radiation-Induced Changes in Physical Properties

V. Styrene Copolymers

VI. Summary


Chapter 6 Polymers That Primarily Degrade on Irradiation

I. Introduction

II. Experimental Determination of G Values for Main Chain Fracture

III. Poly(Methyl Methacrylate)

IV. Poly(Isobutylene)


Radiation Chemistry of Some Miscellaneous Polymers

Chapter 7 Polyamides

I. Irradiation Products (General)

II. Free Radicals

III. Free Radicals Formation and Termination

IV. Postirradiation Diffusion of Oxygen

V. Degradation and Cross-Linking

VI. Irradiation Grafting

VII. Property Changes Attainable through Radiation Grafting


Chapter 8 Polyethylene Terephthalate

I. Introduction

II. Charged Species

III. Free Radicals

IV. Reaction Products

V. Factors Which May Affect Product Formation

VI. Mechanism


Chapter 9 Fluoropolymers

I. Introduction

II. Radiation and Crystallinity

III. Radiation Degradation

IV. Free Radicals in Irradiated Polytetrafluoroethylene and Reaction Mechanisms

V. Cross-Linking in Polytetrafluoroethylene


Chapter 10 Polysiloxanes

I. Polydimethylsiloxane (PDMS)

II. Phenylmethylsiloxanes

III. Filled Polysiloxane Systems


Chapter 11 Polyoxymethylene

I. Introduction

II. The Radiation Chemistry of Polyoxymethylene and Material Balance

III. Kinetics of Free Radical Decay


Chapter 12 The Radiation Chemistry of Elastomers

I. Introduction

II. The Characterization of Elastomers

III. General

IV. Polyisoprene (Natural Rubber)

V. Butadiene Rubbers and Copolymers

VI. Polyisobutylene and Copolymers


The Effect of Radiation on Oxidation, Mechanical Properties, and Physical State

Chapter 13 Oxidation of Irradiated Polymers

I. Historical Introduction

II. Experimental Methods of Oxidation Studies

III. Oxidation Kinetics and G Values

IV. Oxidation Mechanisms

V. Polymers Other than Polyethylene


Chapter 14 The Effect of Radiation on the Mechanical Properties of Polymers

I. Introduction

II. Formation of Network Structures

III. Effect of Radiation on Properties of Polymers above the Melting Point

IV. Effect of Radiation on Properties of Polymers below the Melting Point

V. Summary


Chapter 15 Single Crystals

I. Polyethylene

II. Paraffins


Chapter 16 Radiation Effects in Drawn Polymers

I. Introduction

II. Effect of Irradiation on Polyamide Fiber Structure

III. Radiation Effects on Other Polymer Fibers


Macromolecules of Biological Interest

Chapter 17 Radiation Chemistry of Nucleic Acids, Proteins, and Polysaccharides

I. Introduction

II. Nucleic Acids and Related Compounds

III. Radiolysis of Proteins and Related Compounds

IV. Polysaccharides and Related Compounds


Author Index

Subject Index


No. of pages:
© Academic Press 1973
Academic Press
eBook ISBN:

About the Editor

Malcolm Dole

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