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

• Record Nr.: UNINA9910960563103321
• Pubbl/distr/stampa: Hauppauge, N.Y., : Nova Science Publishers, c2011
• ISBN: 1-62808-476-6
• Edizione: [1st ed.]
• Descrizione fisica: 1 online resource (328 p.)
• Collana: Materials science and technologies
• Altri autori (Persone): EhlersTimothy P; WilhelmJames K
• Disciplina: 547/.70454
• Soggetti: Polymers - Solubility; Polymers - Mixing; Polymers - Separation; Phase rule and equilibrium
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Intro -- POLYMER PHASE BEHAVIOR -- 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 -- Abstract -- 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 -- Conclusion -- Acknowledgments -- References -- Chapter 3: Polymer Phase Behavior in Nanocomposites -- Abstract -- Introduction -- 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 -- References -- Chapter 4: Phase Inverting Polymer Systems in Drug Delivery and Medicine -- Abstract -- 1. Introduction -- 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 -- Conclusion -- Summary -- Characterization Techniques -- In Vitro Phase Inversion and Drug Release -- In Vivo Phase Inversion and Drug Release -- References -- Chapter 5: Eco-Friendly (co) Polyesters Containing 1,4-Cyclohexylene Units: Correlations between Stereochemistry and Phase Behavior -- Abstract -- 1. Introduction -- 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 -- Conclusions -- References -- Chapter 6: The Features of Partitioning Behavior of Recombinant Amino Acid Dehydrogenases in Aqueous Two-phase Systems -- Abstract -- 1. Introduction -- 2. Expeimntal Procedures -- 2.1. Materials -- 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. Results and Discussion -- 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 -- Conclusion -- Acknowledgments -- References -- Chapter 7: Phase Separation, Phase Dissolution and Crystallization in Poly(e-Caprolactone)/ Poly(Styrene-Co-Acrylonitrile) Blends -- Abstract -- Introduction -- Experimental -- Results and Discussion.; Crystallization Kinetics by Optical Microscopy -- Crystallization by Hv Light Scattering -- TEM Analysis -- Conclusion -- Review -- Acknowledgment -- References -- Chapter 8: Thermo- and pH-Sensitivity of Poly(N-Vinylpyrrolidone) in Water Media -- Abstract -- Introduction -- 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 -- References -- Index.
• Sommario/riassunto: 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.