Modern views on gelation in polymer solutions and on the structure of gels

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