Abstract
CONTENTS
I. Introduction 912
II. Polybenzazoles 913
III. Polyimidazoles 918
IV. Polythiazoles 918
V. Polypyrazoles 924
VI. Polyoxadiazoles 924
VII. Polytriazoles 926
VIII. Copolymers with azole rings 926
IX. General properties of polyazoles 928
X. Uses of polyazoles 930