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Relaxation Phenomena Studies On Some Polymers And Polymer Blends
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Book Synopsis relaxation phenomena studies on some polymers and polymer blends by : mohammed alaa eldin elkotp abd elkader
Download or read book relaxation phenomena studies on some polymers and polymer blends written by mohammed alaa eldin elkotp abd elkader and published by . This book was released on 2002 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Relaxation Phenomena Studies for Some Polymers and Polymers Blends by : A. E. Kotp
Download or read book Relaxation Phenomena Studies for Some Polymers and Polymers Blends written by A. E. Kotp and published by LAP Lambert Academic Publishing. This book was released on 2011-12 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Relaxation Phenomena is an important phenomena in material physics specially in polymers. The study of these phenomena lead to better understanding of polymers physics. This work was done in Germany on the Polymer Laboratory of Prof. Christoph Schick, University of Rostock, Germany. The work consists of two parts: (a) Temperature Modulated DSC (TMDSC) (b) Dielectric Spectroscopy (DS) The author thanks Prof.Dr. C. Schick for his help and advices during the conducting of this work.
Book Synopsis Polymer Blends Volume 1 by : Donald R Paul
Download or read book Polymer Blends Volume 1 written by Donald R Paul and published by Elsevier. This book was released on 2012-12-02 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer Blends, Volume 1 highlights the importance of polymer blends as a major new branch of macromolecular science. Topics range from polymer-polymer compatibility and the statistical thermodynamics of polymer blends to the phase separation behavior of polymer-polymer mixtures, transport phenomena in polymer blends, and mechanical properties of multiphase polymer blends. The optical behavior, solid state transition behavior, and rheology of polymer blends are also discussed. This book is organized into 10 chapters and begins with an overview of polymer blends, with emphasis on terminology and the effect of molecular weight on the thermodynamics of polymer blends as well as phase equilibria and transitions. The discussion then turns to the miscibility of homopolymers and copolymers, in bulk and in solution, from the experimental and theoretical viewpoints. The chapters that follow explore the statistical thermodynamics of polymer blends, paying particular attention to the Flory and lattice fluid theories, along with the phase relationship in polymer mixtures. The interfacial energy, structure, and adhesion between polymers in relation to the properties of polymer blends are considered. The final chapter examines the phenomena of low molecular weight penetrant transport. Currently accepted models for unsteady-state and steady-state permeation of polymeric materials are presented. A discussion of unsteady-state absorption and desorption behavior observed in a variety of polymer blends complements the treatment of permeation behavior. This book is intended to provide academic and industrial research scientists and technologists with a broad background in current principles and practice concerning mixed polymer systems.
Book Synopsis Polymer Dynamics and Relaxation by : Richard Boyd
Download or read book Polymer Dynamics and Relaxation written by Richard Boyd and published by Cambridge University Press. This book was released on 2007-09-13 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymers exhibit a range of physical characteristics, from rubber-like elasticity to the glassy state. These particular properties are controlled at the molecular level by the mobility of the structural constituents. Remarkable changes in mobility can be witnessed with temperature, over narrow, well defined regions, termed relaxation processes. This is an important, unique phenomenon controlling polymer transition behaviour and is described here at an introductory level. The important types of relaxation processes from amorphous to crystalline polymers and polymeric miscible blends are covered, in conjunction with the broad spectrum of experimental methods used to study them. In-depth discussion of molecular level interpretation, including atomistic level computer simulations and applications to molecular mechanism elucidation, are discussed. The result is a self-contained approach to polymeric interpretation suitable for researchers in materials science, physics and chemistry interested in the relaxation processes of polymeric systems.
Book Synopsis Relaxation Phenomena in Polymers by :
Download or read book Relaxation Phenomena in Polymers written by and published by . This book was released on 1977 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Relaxation in Polymers by : M. Pietralla
Download or read book Relaxation in Polymers written by M. Pietralla and published by Springer. This book was released on 1989 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Encyclopedia of Polymer Blends, Volume 3 by : Avraam I. Isayev
Download or read book Encyclopedia of Polymer Blends, Volume 3 written by Avraam I. Isayev and published by John Wiley & Sons. This book was released on 2016-06-07 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete and timely overview of the topic, this Encyclopedia imparts knowledge of fundamental principles and their applications for academicians, scientists and researchers, while informing engineers, industrialists and entrepreneurs of the current state of the technology and its utilization. The most comprehensive source on polymer blends available on the market Offers a complete and timely overview of the topic Each article presents up to date research & development on a topic and its basic principles and applications, integrates case studies, laboratory and pilot plant experiments, and gives due reference to published and patented literature Equips academics, scientists and researchers with knowledge of fundamentals principles and their applications, and informs the engineers, industrialists and entrepreneurs about the state of the art technology and its applications
Book Synopsis Relaxation Phenomena in Polymers by : G.M. Bartenev
Download or read book Relaxation Phenomena in Polymers written by G.M. Bartenev and published by . This book was released on 1974 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polymer Blends and Composites by : John A. Manson
Download or read book Polymer Blends and Composites written by John A. Manson and published by Springer Science & Business Media. This book was released on 1976 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1. Homopolymer Structure and Behavior.- 1.1. High Polymers.- 1.2. Molecular Size and Shape.- 1.2.1. Chain Conformation.- 1.2.2. Chain Entanglement.- 1.3. Molecular Structure.- 1.3.1. Configurations of Polymer Chains.- 1.3.2. Stereo and Geometrical Isomerism.- 1.3.3. Random Branching.- 1.3.4. Nonrandom Branching.- 1.3.5. Crosslinking.- 1.4. Crystallinity and Order.- 1.4.1. Fringed Micelle Model.- 1.4.2. Folded-Chain Single Crystals.- 1.4.3. Extended-Chain Crystals.- 1.4.4.Spherulites.- 1.5. Mechanical Response: Elasticity and Viscoelasticity.- 1.5.1. Molecular and Segmental Motion.- 1.5.2. Modulus-Temperature Behavior.- 1.5.3. Five Regions of Viscoelastic Behavior.- 1.5.4. Rubberlike Elasticity.- 1.5.5. Dynamic Mechanical Spectroscopy.- 1.5.6. Stress-Relaxation and Creep Behavior.- 1.5.7. Time-Temperature Relationship.- 1.6. Energetics and Mechanics of Fracture.- 1.6.1. General Approach to Fracture.- 1.6.2. Energy Balance in Fracture.- 1.6.3. Viscoelastic Rupture of Elastomers.- 1.7. Mechanical Testing of Polymers.- 1.7.1. Stress-Strain and Fracture Behavior.- 1.7.2. Impact Strength.- 1.7.3. Fatigue.- Appendix A. Polymer Synthesis.- Appendix B. Basic Mechanical Properties and Relationships.- Bibliography of Polymer Books and Journals.- 2. General Behavior of Polymer Mixtures.- 2.1. Methods of Mixing Polymer Pairs.- 2.1.1. Polymer Blends.- 2.1.2. Graft Copolymers.- 2.1.3. Block Copolymers.- 2.1.4. Interpenetrating Polymer Networks (IPN's).- 2.2. Interdiffusion.- 2.3. Nomenclature.- 2.4. Electron Microscopy.- 2.5. The Incompatibility Problem.- 2.5.1. Thermodynamics of Mixing.- 2.5.2. Polymer-Polymer Phase Diagrams.- 2.6. Bulk Behavior of Two-Phase Polymeric Materials.- 2.6.1. Glass Transitions.- 2.6.2. Modulus-Temperature Behavior of Model Polyblends.- 2.6.3. Stress-Relaxation Behavior.- 2.6.4. The Takayanagi Models.- 2.6.5. Free Volume Model.- 2.6.6. Other Models.- 2.6.7. Morphology-Modulus Interrelationships.- 2.7. Analogy between Polymer Blends and Crystalline Homopolymers.- 2.8. Polymer Blend Chronology.- Appendix A. Counterpart Phase Separation Characteristics of Metallic Alloys and Inorganic Glasses.- Bibliography of Polymer Blend Symposia.- 3. Rubber-Toughened Plastics.- 3.1. Synthesis and Morphology.- 3.1.1. Impact-Resistant Polystyrene.- 3.1.1.1. Solution-Type Graft Copolymers.- 3.1.1.2. Phase Inversion.- 3.1.1.3. Grafting vs. Mechanical Entrapment.- 3.1.2. ABS Resins.- 3.1.2.1. Emulsion Polymerization.- 3.1.2.2. Structure of the Latex Grafts.- 3.1.3. Origin of the Cell Structure.- 3.1.4. Poly(vinyl chloride) Blends.- 3.1.5. Mixed Latex Blends.- 3.2. Physical and Mechanical Behavior of Polyblends.- 3.2.1. The Effect of Compatibility on Transition Behavior.- 3.2.2. Impact Resistance and Deformation.- 3.2.2.1. Impact Behavior.- 3.2.2.2. Tensile and Creep Behavior.- 3.2.2.3. Fatigue Behavior.- 3.2.3. Toughening Mechanisms.- 3.2.3.1. Crazing and Shear Phenomena.- 3.2.3.2. Characteristics of the Rubber.- 3.3. Optical Properties of Polyblends.- 3.4. Oxidation and Weathering of Polyblends.- 4. Diblock and Triblock Copolymers.- 4.1. Synthesis.- 4.1.1. Dilithium Initiators.- 4.1.2. Mechanochemical Methods.- 4.2. Solution Behavior of Block Copolymers.- 4.3. Plastic Compositions.- 4.4. Thermoplastic Elastomers.- 4.5. Long-Range Domain Order.- 4.6. Thermodynamics of Domain Characteristics.- 4.7. Thermodynamic Criteria for Phase Separation.- 4.7.1. Zeroth Approximation.- 4.7.2. Dilute Solution Approach.- 4.7.3. Diffusion Equation Approach.- 4.8. Effect of Solvent Casting on Morphology.- 4.9. Effect of Deformation on Morphology.- 4.10. Mixtures of A-B Blocks with A and B Mechanical Blends.- 4.11. Rheological Behavior of Block Copolymers.- 5. Multiblock Copolymers, Including Ionomers.- 5.1. Segmented Polyurethane Elastomers.- 5.1.1. Modulus and Swelling Behavior.- 5.1.2. Stress-Strain Behavior.- 5.1.3. Stress-Optical Behavior.- 5.1.4. Tensile Strength and Abrasion Resistance.- 5.1.5. Some Generalizations.- 5.2. Carboxylic Rubbers an...
Book Synopsis Relaxation Phenomena in Polymers by : YV. Zelenev
Download or read book Relaxation Phenomena in Polymers written by YV. Zelenev and published by . This book was released on 1974 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Stress Relaxation Phenomena in Linear Polymers at Low Temperatures by : Robin Tilley Brooke Rye
Download or read book A Study of Stress Relaxation Phenomena in Linear Polymers at Low Temperatures written by Robin Tilley Brooke Rye and published by . This book was released on 1956 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polymer Dynamics and Relaxation by : Richard Hays Boyd
Download or read book Polymer Dynamics and Relaxation written by Richard Hays Boyd and published by . This book was released on 2007 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book was first published in 2007. Polymers exhibit a range of physical characteristics, from rubber-like elasticity to the glassy state. These particular properties are controlled at the molecular level by the mobility of the structural constituents. Remarkable changes in mobility can be witnessed with temperature, over narrow, well defined regions, termed relaxation processes. This is an important, unique phenomenon controlling polymer transition behaviour and is described here at an introductory level. The important types of relaxation processes from amorphous to crystalline polymers and polymeric miscible blends are covered, in conjunction with the broad spectrum of experimental methods used to study them in 2007. In-depth discussion of molecular level interpretation, including atomistic level computer simulations and applications to molecular mechanism elucidation, are discussed. The result is a self-contained approach to polymeric interpretation suitable for researchers in materials science, physics and chemistry interested in the relaxation processes of polymeric systems.
Book Synopsis Polymer Relaxation by : Peter Jason Graham
Download or read book Polymer Relaxation written by Peter Jason Graham and published by Nova Science Pub Incorporated. This book was released on 2012 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stress relaxation describes how polymers relieve stress under constant strain. Because they are viscoelastic, polymers behave in a nonlinear, non-Hookean fashion. This book presents current research in the study of polymer relaxation, including the secondary relaxations in amorphous polymers; nuclear magnetic resonance relaxation approaches; electrochemical relaxation studies of polythiophenes and dielectric relaxation of onion-like carbon based polymer composites.
Book Synopsis The Physics of Polymers by : Gert R. Strobl
Download or read book The Physics of Polymers written by Gert R. Strobl and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer physics is one of the key courses not only in polymer science but also in material science. In his textbook Strobl presents the elements of polymer physics to the necessary extent in a very didactical way. His main focus is on the concepts and major phenomena of polymer physics, not just on mere physical methods. He has written the book in a personal style evaluating the concepts he is dealing with. Every student in polymer and materials science will be happy to have it on his shelf.
Book Synopsis Ferroelectric Polymers by : Hari Singh Nalwa
Download or read book Ferroelectric Polymers written by Hari Singh Nalwa and published by CRC Press. This book was released on 1995-06-20 with total page 913 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work covers the chemistry and physics of polymeric materials and their uses in the fields of electronics, photonics, and biomedical engineering. It discusses the relationship between polymeric supermolecular structures and ferroelectric, piezoelectric and pyroelectric properties.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study on the Relaxation Phenomena and Pattern Formation of Nematic Polymers After Cessation of Shear Flow by : Philip Kwok-Kiou Chan
Download or read book A Study on the Relaxation Phenomena and Pattern Formation of Nematic Polymers After Cessation of Shear Flow written by Philip Kwok-Kiou Chan and published by . This book was released on 1992 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The first part of this thesis studies numerically the effects that the surface conditions, defects and backflow have on the relaxation phenomena after cessation of simple shear flow for a typical rigid rod nematic polymer. The Leslie-Ericksen continuum theory and the Euler-Lagrange equations for surface motion are derived and used for this purpose. Predictions are found to be physically consistent." --
