Page 7 - Engineering Plastics Handbook

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Contents

Contributors xiii
Preface xv

Part 1 Introduction

Chapter 1. Chemistry of Polymerization James M. Margolis 3
Polycondensation Polymerization (Step-Growth Polymerization) 6
Chain-Growth Polymerization (Addition Polymerization) 8
Ring-opening polymerization 14
Polymer Characterization 16

Chapter 2. Products and Design James M. Margolis 19
Elastic Region 23
Stress-to-strain proportionality 23
Beyond the Elastic Limit (beyond the Proportional Region) 23
Spring-and-Dashpot Models 23
Hookean spring element 23
Newtonian dashpot element 23
Maxwell spring-and-dashpot model 24
Voigt spring-and-dashpot model 24
Voigt-Kelvin spring-and-dashpot models 24
Three-, four-, and five-parameter models 25
Shear viscosity and shear modulus 26
Poisson’s Ratio 26
The Boltzmann Superposition Principle 27
Williams-Landel-Ferry (WLF) Equation 27
Dynamic Mechanical Analysis 28
Beam Equations 28
Types of beams 29
Deflection in beam bending 29
Types of Circular and Rectangular Flat Plates 30

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