Oligomeric State of Substances ( Polymer Science and Technology )

Publication series : Polymer Science and Technology

Author: S.M. Mezhikovskii;A.E. Arinstein;R.Ya. Deberdeev  

Publisher: Nova Science Publishers, Inc.‎

Publication year: 2018

E-ISBN: 9781617285547

P-ISBN(Paperback): 9781607413448

Subject: O631.1 lattice theory

Keyword: 化学原理和方法

Language: ENG

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Oligomeric State of Substances

Chapter

1.4.2. Kinetic Aspect

1.4.3. Methodological Aspect

1.4.4. Colloidal Aspect

1.4.5. Compatibility and Phase Equilibrium

CONCLUSION

REFERENCES

Part 2 HOMOGENEOUS OLIGOMER SYSTEMS

ABSTRACT

2.1. MOLECULAR HETEROGENEITY OF OLIGOMERS

2.1.1. Molecular Weight Distribution Functions

2.1.2. Functional Type Distribution

2.1.3. Critical Chromatography of Oligomers

2.2. SMALL SCALE OLIGOMER STRUCTURE: THEORETICAL ASPECTS

2.2.1. Small Scale Structure of Limited Length Chain with Finite Bending Rigidity (Scaling Estimations)

2.2.2. Oligomer Chain Statistics Depending on Length, Interlink Rigidity and Temperature

2.2.3. Orientational Ordering of Oligomer Molecules: Influence of Environment

2.2.4. Free Energy of Oligomer Molecules

2.3. SUPRAMOLECULAR STRUCTURE OF OLIGOMERS

2.3.1. Geometric Image of Oligomer Supramolecular Structure

2.3.2. Short Range Order

2.3.3. Terminology

2.3.4. Associative-Cybotactic Schematics of Oligomer Liquid Supramolecular Structure

2.4. THEORETICAL MODELS OF SUPRAMOLECULAR STRUCTURE FORMATION

2.4.1. Activation Model

2.4.2. Relaxation Model

2.4.3. Activation-Relaxation Model

2.4.4. Kinetic Model

2.4.5. Liquid Drop Model

2.5. LIFETIMES OF SHORT RANGE ORDERING

2.6. EXPERIMENTAL EXAMINATION OF OLIGOMER SUPRAMOLECULAR STRUCTURE

2.6.1. Analysis of Structure Components Distribution Function

2.6.2. Radiographic and Electron Microscope Examination

2.6.3. Thermodynamic Estimations

2.6.4. Orientation Phenomena

2.6.5. Computer Simulation

2.7. KINETICS OF EQUILIBRIUM SUPRAMOLECULAR STRUCTURE FORMATION IN HOMOGENEOUS OLIGOMER SYSTEMS

2.7.1. NMR Data on Relaxation to Equilibrium:Experiment and Theory

2.8. SUPRAMOLECULAR STRUCTURE OF OLIGOMERS AND SOME EXPERIMENTAL “ANOMALIES” OF THEIR MACROSCOPIC PROPERTIES

2.8.1. Curing Kinetics of Oligomers in its Initial Stage

Anisotropy in Local Orders

Background of Problem

Anisotropy of Local Orders as the Factor Defining Initial Cure Velocity of Reactive Oligomeric Systems

Initial Curing Velocity as Thermodynamic Equilibration Test in Oligomer Systems

2.8.2. Rheological Properties of Oligomeric Systems

Rheological Properties Dependence on Deformative and Time-Temperature Prehistory of Oligomeric Systems

Relaxation to Equilibrium According to Rheological Tests Data

Comparison of Rheological Experiment and Theory

Thermal Hysteresis of Viscosity

Rheology of Polymer-Oligomer Mixtures (Region of Small Oligomer Additions)

2.8.4. Oligomer Diffusion Characteristics

CONCLUSION

REFERENCES

Part 3 HETEROGENEOUS OLIGOMER SYSTEMS

ABSTRACT

3.1. BASIC PRINCIPLES OF PHASE SEPARATION

3.2. EXPERIMENTAL INVESTIGATION OF PHASE EQUILIBRIUM

3.2.1. Phase Transitions in Single-Component Systems

3.2.2. Phase State Diagrams of Binary Systems

3.2.3. Mixing of Oligomer Blends: Analysis of Thermodynamic Parameters

Mixing Thermodynamics of Rubber – Oligoester Acrylates Systems

Mixing Thermodynamics of PVC – Oligoester Acrylates Systems

Mixing Thermodynamics of Oligobutadiene Urethane(met- ) Acrylate – Oligoester Acrylate Systems

Temperature Dependencies

Semidiluted Solutions

Enthalpy

Entropy

Chemical Potential

Diluted Solutions

Enthalpy

Entropy

Chemical Potential

Concentration Dependencies

Thermodynamic Parameters as Related to UCST

Mixing Thermodynamics of Oligoalkyleneglycoles Oligoethyleneglycoladipinate Systems

Invariance of Phase Diagrams and Thermodynamic Parameters

3.3. FORMATION OF EQUILIBRIUM STRUCTURE IN HETEROGENEOUS OLIGOMER BLENDS

3.4. EXPERIMENTAL EXAMINATION OF MACROSCOPIC PROPERTIES

3.4.1. Features of Rotational Diffusion

3.4.2. Features of Translational Diffusion

3.4.3. Specific Aspects of Viscous Flow

Phase Transition Area

Viscosity in Critical Point and in Metastable Area

Viscosity of Heterogeneous Systems

3.4.4. Effect of Phase Structure on Initial Curing Rate

3.4.5. The Relative Effect of Thermodynamic and Kinetic Factors on Bulk Properties and Formation of an Equilibrium Oligomer Structure

CONCLUSION

REFERENCES

CONCLUSION

REFERENCES

INDEX

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