Oligomeric State of Substances

OLIGOMERIC STATE OF SUBSTANCES......Page 3
CONTENTS......Page 7
OLIGOMERIC STATE OF SUBSTANCES......Page 9
PREFACE OF EDITOR......Page 11
PREFACE......Page 13
PREFACE BY AUTHORS......Page 15
INTRODUCTION......Page 17
REFERENCES......Page 18
1.1.1. Briefly on The Subject......Page 19
1.1.2. Meaning of Term “Oligomer”......Page 20
1.1.3. Development of “Oligomer” Term Formulations......Page 21
1.1.4. Oligomeric System as Statistical Ensemble......Page 29
1. According to the Ability of Oligomers to Take or Not to Take Part in ChemicalReactions......Page 31
5. According to Curing Pattern......Page 32
7. According to Relaxation State of the Cured Products......Page 33
8. According to Preliminary Expertise......Page 35
1.2.2. Taxonomy of Oligomers Introduced by A. Berlin......Page 36
1.2.3. Taxonomy of Oligomer Blends......Page 37
Oligomer - Oligomer Blends......Page 38
Oligomer - Polymer Blends......Page 39
1.3. STRUCTURAL ORGANIZATION OF OLIGOMER BLENDS......Page 40
Colloidal Level......Page 41
Kinetic Features......Page 42
1.4.1. Thermodynamic Aspect......Page 43
1.4.2. Kinetic Aspect......Page 46
1.4.3. Methodological Aspect......Page 49
1.4.5. Compatibility and Phase Equilibrium......Page 51
CONCLUSION......Page 55
REFERENCES......Page 56
2.1.1. Molecular Weight Distribution Functions......Page 67
2.1.2. Functional Type Distribution......Page 70
2.1.3. Critical Chromatography of Oligomers......Page 71
2.2. SMALL SCALE OLIGOMER STRUCTURE: THEORETICAL ASPECTS......Page 72
2.2.1. Small Scale Structure of Limited Length Chain with Finite Bending Rigidity (Scaling Estimations)......Page 74
2.2.2. Oligomer Chain Statistics Depending on Length, Interlink Rigidity and Temperature......Page 79
2.2.3. Orientational Ordering of Oligomer Molecules: Influence of Environment......Page 86
2.2.4. Free Energy of Oligomer Molecules......Page 92
2.3.1. Geometric Image of Oligomer Supramolecular Structure......Page 96
2.3.2. Short Range Order......Page 97
2.3.3. Terminology......Page 98
2.3.4. Associative-Cybotactic Schematics of Oligomer Liquid Supramolecular Structure......Page 99
2.4.1. Activation Model......Page 101
2.4.2. Relaxation Model......Page 103
2.4.3. Activation-Relaxation Model......Page 105
2.4.4. Kinetic Model......Page 106
2.4.5. Liquid Drop Model......Page 108
2.5. LIFETIMES OF SHORT RANGE ORDERING......Page 113
2.6.1. Analysis of Structure Components Distribution Function......Page 118
2.6.2. Radiographic and Electron Microscope Examination......Page 122
2.6.3. Thermodynamic Estimations......Page 124
2.6.4. Orientation Phenomena......Page 126
2.6.5. Computer Simulation......Page 128
2.7. KINETICS OF EQUILIBRIUM SUPRAMOLECULAR STRUCTURE FORMATION IN HOMOGENEOUS OLIGOMER SYSTEMS......Page 132
2.7.1. NMR Data on Relaxation to Equilibrium: Experiment and Theory......Page 133
2.8.1. Curing Kinetics of Oligomers in its Initial Stage......Page 140
Background of Problem......Page 141
Anisotropy of Local Orders as the Factor Defining Initial Cure Velocity of Reactive Oligomeric Systems......Page 142
Initial Curing Velocity as Thermodynamic Equilibration Test in Oligomer Systems......Page 146
2.8.2. Rheological Properties of Oligomeric Systems......Page 154
Rheological Properties Dependence on Deformative and Time-Temperature Prehistoryof Oligomeric Systems......Page 155
Relaxation to Equilibrium According to Rheological Tests Data......Page 157
Comparison of Rheological Experiment and Theory......Page 159
Thermal Hysteresis of Viscosity......Page 164
Rheology of Polymer-Oligomer Mixtures (Region of Small Oligomer Additions)......Page 169
2.8.4. Oligomer Diffusion Characteristics......Page 180
REFERENCES......Page 187
3.1. BASIC PRINCIPLES OF PHASE SEPARATION......Page 201
3.2.1. Phase Transitions in Single-Component Systems......Page 207
3.2.2. Phase State Diagrams of Binary Systems......Page 210
Mixing Thermodynamics of Rubber – Oligoester Acrylates Systems......Page 214
Mixing Thermodynamics of PVC – Oligoester Acrylates Systems......Page 216
Temperature Dependencies......Page 221
Semidiluted Solutions......Page 222
Diluted Solutions......Page 225
3.3. FORMATION OF EQUILIBRIUM STRUCTURE IN HETEROGENEOUS OLIGOMER BLENDS......Page 234
3.4.1. Features of Rotational Diffusion......Page 238
3.4.2. Features of Translational Diffusion......Page 241
Phase Transition Area......Page 245
Viscosity in Critical Point and in Metastable Area......Page 250
Viscosity of Heterogeneous Systems......Page 252
3.4.4. Effect of Phase Structure on Initial Curing Rate......Page 253
3.4.5. The Relative Effect of Thermodynamic and Kinetic Factors on Bulk Properties and Formation of an Equilibrium Oligomer Structure......Page 257
REFERENCES......Page 258
CONCLUSION......Page 267
REFERENCES......Page 271
INDEX......Page 273