Polymer phase behavior / Timothy P. Ehlers and James K. Wilhelm, editors.

Format:

Book

Contributor:

Ehlers, Timothy P.

Wilhelm, James K.

Series:

Materials science and technologies series.

Materials science and technologies

Language:

English

Subjects (All):

Polymers--Solubility.

Polymers.

Polymers--Mixing.

Polymers--Separation.

Phase rule and equilibrium.

Physical Description:

1 online resource (328 p.)

Edition:

1st ed.

Place of Publication:

Hauppauge, N.Y. : Nova Science Publishers, c2011.

Language Note:

English

Summary:

This book examines the phase behavior of polymers. The authors present topical research in this field. Topics discussed include the phase behavior of PVP as compared with that of poly(N-vinylcaprolactam); the applicability of lattice cluster theory to the calculation of miscibility; Raman study of the pressure and temperature induced transformations in crystalline polymers of C60; polymer phase behavior in nanocomposites; and, phase inverting polymer systems in drug delivery medicine and the correlation between stereochemistry and phase behavior.

Contents:

Intro

POLYMER PHASE BEHAVIOR

Library of Congress Cataloging-in-Publication Data

Contents

Preface

Chapter 1: Application of Lattice Cluster Theory to the Calculation of Miscibility and Interfacial Behavior of Hyperbranched Polymer Containing Systems

Abstract

Introduction

Properties and Applications of Hyperbranched Polymers

Application in Medicine

Application in Chemistry

Application in Energy Technique

Thermodynamics of Hyperbranched Polymers

Role of Branching

Thermodynamic Model - Lattice Cluster Theory

Thermodynamic Model - Wertheim Theory

Phase Equilibria Calculation - Examples

Hyperbranched Polymer + Solvent

Polymer Blends

Thermodynamics of Interfacial Properties

Interfacial Properties - Calculation Examples

Conclusion

Acknowledgments

Reference

Chapter 2: Raman Study of the Pressure and Temperature Induced Transformations in Crystalline Polymers of C60

1. Introduction

2. Research Method and Experimental Technique

3. Raman Spectra of the 2D-T Polymer and Pressure Induced Phase Transitions

4. Raman Spectra of the 2D-R Polymer and Pressure Induced Phase Transitions

5. Photo- and Pressure-Induced Transformations in the Linear Orthorhombic Polymer of C60

5.1. Photo-Induced Transformation

5.2. Pressure-Induced Transformations

6. Photoluminescence of the C60 Polymers at High Pressure

7. Thermal Stability and Decomposition Kinetics of the 2D-R Polymer of C60

References

Chapter 3: Polymer Phase Behavior in Nanocomposites

Features of Nanocomposites Semicrystalline Matrix Crystallization

The Influence of Polymer Phase Molecular Characteristics Change on Nanocomposites Mechanical Properties.

The Influence of Polymer Phase Molecular Characteristics on Interfacial Regions Formation in Polymer Nanocomposites

Conclusions

Chapter 4: Phase Inverting Polymer Systems in Drug Delivery and Medicine

2. Techniques for Evaluating the Phase Inversion Process

2.1. Dark Ground Optics

2.2. Electron Paramagnetic Resonance Spectroscopy

2.3. Diagnostic Ultrasound Imaging

3. Factors Affecting In Vitro Release and Phase Inversion

3.1. Fast Phase-Inverting Systems

3.2. Slow Phase-Inverting Systems

3.3. Effects of Cosolvent Composition

3.4. Polymer Type

3.5. Polymer Formulation Additives

4. The Role of Injection Site on In Vivo Implant Behavior

4.1. In Vivo Release

4.2. Comparison of In Vitro and In Vivo Release and Phase Inversion

4.3. Effects of Injection Site on Release

Summary

Characterization Techniques

In Vitro Phase Inversion and Drug Release

In Vivo Phase Inversion and Drug Release

Chapter 5: Eco-Friendly (co) Polyesters Containing 1,4-Cyclohexylene Units: Correlations between Stereochemistry and Phase Behavior

2. Experimental Part

2.1. Materials

2.2. Sample Preparation

2.2.1. Synthesis of Poly(Butylene 1,4-Cyclohexanedicarboxylate) (PBCHD)

2.2.2. Synthesis of (4-6)-co-PBCHD90-50/50 Copolyester

2.3. Characterization

3. Results and Discussion

3.1. Preparation and Characterization of Homopolymers

3.1.1. Synthesis

3.1.2. Effect of the Molecular Structure on Thermal Properties

3.1.3. Analysis of the Phase Behaviour for PBCHD and PCCD Homopolymers

3.1.4. Relationship between Molecular Structure and Phase Behavior

3.1.4.1. PBCHD

3.1.4.2. PCCD

3.2. Preparation and Characterization of Copolymers

3.2.1. Molecular Characterization.

3.2.2. Analysis of the Phase Behaviour of Copolymers

Chapter 6: The Features of Partitioning Behavior of Recombinant Amino Acid Dehydrogenases in Aqueous Two-phase Systems

2. Expeimntal Procedures

2.2. Production of Recombinant AADHs

2.2.1. Production of Recombinant Bacillus badius PheDH

2.2.2. Production of Recombinant Pseudomonas putida POS-F84 ProDH

2.2.3. Production of Recombinant Bacillus cereus LeuDH

2.3. Partitioning Studies of Model Recombinant AADHs in Polymer-Salt ATPS

2.3.1. Phase Diagram Determination for PEG-4000/K2HPO4-KH2PO4

2.3.2. Partition Experiment

2.3.3. Parameters Affecting Partition Behavior of Recombinant Enzymes

2.4. Activity Assay of AADHs

2.4.1. Determination of PheDH Activity

2.4.2. Determination of ProDH Activity

2.4.3. Determination of LeuDH Activity

2.5. Protein Assay

2.6. Purity Analysis of the Separated Enzymes from ATPS

3.1. Phase Behaviors of the PEG-4000/Salt ATPS

3.1.1. Phase Diagrams

3.1.2. Effect of Concentrations of Phase-Forming Components on Partitioning Behavior

3.1.3. Effect of Phase-Forming Polymer Molecular Weight on Partition Behavior

3.1.4. Effect of Salt Type

3.1.5. Effect of System pH on Partition Behavior

3.1.6. Effect of Added Salts on Partition Behavior

3.1.7. Effect of TIL on Partition Behavior

3.1.8. Effect of System Temperature on Partition Behavior

3.1.9. Effect of Cell Extract Loading and Phase Volume Ratio

3.2. Purity Analysis of Model Enzymes

Chapter 7: Phase Separation, Phase Dissolution and Crystallization in Poly(e-Caprolactone)/ Poly(Styrene-Co-Acrylonitrile) Blends

Experimental

Results and Discussion.

Crystallization Kinetics by Optical Microscopy

Crystallization by Hv Light Scattering

TEM Analysis

Review

Acknowledgment

Chapter 8: Thermo- and pH-Sensitivity of Poly(N-Vinylpyrrolidone) in Water Media

Thermosensitivity of PVP Solutions, Containing Salts

Phase Separation of PVP Solutions in the Presence of Organic Compounds Capable to form Complexes with the Polymer

Phase Separation in Water Solutions of PVP Copolymers and Derivatives

Stimuli-Responsive Hydrogels on the Base of PVP Copolymers

Index.

Notes:

Description based upon print version of record.

Includes bibliographical references and index.

Description based on print version record.

ISBN:

1-62808-476-6

OCLC:

847526911