Table of Contents

Abstract
Acknowledgements
Table of Contents
List of Tables
List of Figures
1 Introduction
1.1 Orientation of PET
1.2 Relaxation of PET
1.3 Objectives
2 Literature Search
3 Experimental
3.1 Materials Used
3.2 Test Sample Preparation
3.3 Temperature Exposure
3.4 Measurements
3.4.1 Film Shrinkage
3.4.2 Birefringence
3.4.3 Density
3.4.4 Mechanical Properties
4 Results and Discussion
4.1 Change in Film Dimensions
4.1.1 Change in Film Dimensions
4.1.2 Modeling and 30°C Predictions
4.2 Birefringence
4.3 Density
4.4 Mechanical Properties
5 Conclusions
References
A. PET Film Dimensions
B. Shrinkage Model Calculations