Table of contents

CONTENTS I. Introduction 171 II. Methods of preparation of polyarylates 171 III. Properties of polyarylates 180 IV. Uses of polyarylates 191

CONTENTS I. Metalalkyls — olefine polymerisation catalysts 193 II. The role of organotitanium compounds in olefine polymerisation 194 III. Organobimetallic complexes 195 IV. Soluble organometallic complex polymerisation catalysts 200 V. The role of previous ordering of the monomer in the formation of the polymer chain microstructure 205

CONTENTS I. Introduction 207 II. Preparation of substituted vinyl ethers 207 III. Preparation of substituted vinyl alkyl(aryl) sulphides 210 IV. Reactions and properties of substituted vinyl ethers 211 V. Reactions and properties of substituted vinyl sulphides 214

CONTENTS I. Introduction 219 II. General definition of the concept of gelation and of a gel, and fundamental conditions for gelation 220 III. Thermodynamics of gelation 221 IV. Mechanism of gelation 223 V. Degree of ordering of macromolecules in gels 224 VI. Relationship between structure and mechanical properties of gels 225

CONTENTS I. Introduction 227 II. Preparation 228 III. Structure 228 IV. Properties of sodium nitroprusside 228 V. Analysis of sodium nitroprusside, and its use as an indicator 229 VI. Analysis of inorganic compounds 229 VII. Analysis of organic compounds 230 VIII. Biochemical analysis 232