Advances in Liquid Crystals (eBook)

Front Cover 1
Advances in Liquid Crystals 4
Copyright Page 5
Table of Contents 6
LIST OF CONTRIBUTORS 8
PREFACE 10
INTRODUCTION TO THE SERIES 12
CONTENTS OF PREVIOUS VOLUMES 14
CHAPTER 1. ELECTROHYDRODYNAMIC INSTABILITIES IN NEMATIC LIQUID CRYSTALS 16
I. INTRODUCTION 16
II. HYDRODYNAMIC EQUATIONS 23
III. ELECTROHYDRODYNAMIC INSTABILITIES: ONE-DIMENSIONAL THEORY 25
IV. ELECTROHYDRODYNAMIC INSTABILITIES: TWO-DIMENSIONAL THEORY 39
V. CONCLUSIONS 52
APPENDIX 53
REFERENCES 53
CHAPTER 2. SOLVATION AND STRUCTURAL REQUIREMENTS OF SURFACTANT HYDROPHILIC GROUPS 56
I. OBJECTIVE 57
II. INTRODUCTION 57
III. PHASE CRITERIA OF SURFACTANT (ASSOCIATION COLLOID) BEHAVIOR 59
IV. CLASSIFICATION OF POLAR FUNCTIONAL GROUPS AS OPERATIVE OR NONOPERATIVE HYDROPHILIC GROUPS 73
V. OPERATIVITY OF POLAR GROUPS AS HYDROPHILIC GROUPS VS. BOND DIPOLE MOMENTS 81
VI. OPERATIVITY OF POLAR GROUPS AS HYDROPHILIC GROUPS VS. HYDROGEN BONDING THERMODYNAMICS 84
VII. THE SOLVATION CHARACTERISTICS OF OPERATIVE HYDROPHILIC GROUPS 91
VIII. STRUCTURAL FEATURES OF OPERATIVE HYDROPHILIC GROUPS 102
IX. POSSIBLE ROLES OF HYDROPHILIC GROUP SOLVATION 105
X. EXPERIMENTAL PART 108
ACKNOWLEDGMENTS 112
REFERENCES 112
CHAPTER 3. RELATIVE HYDROPHILICITIES AMONG SURFACTANT HYDROPHILIC GROUPS 114
I. INTRODUCTION 114
II. EXPECTED INFLUENCE OF HYDROPHILICITY ON PHASE BEHAVIOR 115
III. RELATIVE HYDROPHILICITIES WITHIN SUBCLASSES 121
IV. RELATIVE HYDROPHILICITIES AMONG SUBCLASSES 158
ACKNOWLEDGMENTS 161
REFERENCES 162
CHAPTER 4. LIQUID CRYSTALS AND FOAMS 164
I. INTRODUCTION 164
II. DESCRIPTION AND GENERAL BEHAVIOR OF FOAMS 165
III. STABILITY OF POLYHEDRAL FOAMS 168
IV. EXPERIMENTAL INVESTIGATIONS ON THIN FILMS 174
V. LIQUID CRYSTALS AND FOAM STABILITY 175
VI. CONCLUSIONS 178
REFERENCES 179
CHAPTER 5. ULTRASONIC PROPAGATION IN LIQUID CRYSTALS 182
I. INTRODUCTION 183
II. ABSORPTION AND VELOCITY ANISOTROPY 193
III. RELAXATIONAL PROCESSES 205
IV. ACOUSTO-OPTICAL EFFECTS IN LIQUID CRYSTALS 231
APPENDIX: RELATIONSHIPS AMONG NEMATIC VISCOSITY COEFFICIENTS 247
ACKNOWLEDGMENTS 247
REFERENCES 247
GENERAL REFERENCES 250
CHAPTER 6. 
252 
I. INTRODUCTION 252
II. PRACTICAL ASPECTS OF LIQUID CRYSTALS IN CHROMATOGRAPHY 254
III. THEORY THERMODYNAMICS OF LIQUID CRYSTALLINE SOLUTIONS AND PHASE TRANSITION BEHAVIOR
IV. PHASE TRANSITIONS 282
V. COMMENTS ON ADDITIONAL USES OF FIELD EFFECTS 284
REFERENCES 284
SUBJECT INDEX 290