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Flow Induced Morphological Transitions In Polymer Blends Containing A Liquid Crystalline Polymer
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Book Synopsis Flow Induced Morphological Transitions in Polymer Blends Containing a Liquid Crystalline Polymer by : María de Jesús van Eijndhoven Rivera
Download or read book Flow Induced Morphological Transitions in Polymer Blends Containing a Liquid Crystalline Polymer written by María de Jesús van Eijndhoven Rivera and published by . This book was released on 1997 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polymer Blends written by L.A. Utracki and published by iSmithers Rapra Publishing. This book was released on 2000 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report begins by summarising the basis of polymer blending. This includes an outline of the techniques being used to characterise blends including spectroscopic techniques and rheometry. The types of polymer blends which have been studied are outlined. Methods of compatibilisation are discussed. The morphology of the phases in a blend is critical to property development - the types of morphology observed are described. Flow-induced morphology is described. Processing of blends and the effects on morphology are discussed including extrusion, thermoforming, blow moulding, injection moulding and foaming. The accompanying abstracts from the Rapra Polymer Library database provide useful further information and indicate sources of additional material.
Book Synopsis Phase Transitions in Polymers: The Role of Metastable States by : Stephen Z.D. Cheng
Download or read book Phase Transitions in Polymers: The Role of Metastable States written by Stephen Z.D. Cheng and published by Elsevier. This book was released on 2008-09-10 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: A classical metastable state possesses a local free energy minimum at infinite sizes, but not a global one. This concept is phase size independent. We have studied a number of experimental results and proposed a new concept that there exists a wide range of metastable states in polymers on different length scales where their metastability is critically determined by the phase size and dimensionality. Metastable states are also observed in phase transformations that are kinetically impeded on the pathway to thermodynamic equilibrium. This was illustrated in structural and morphological investigations of crystallization and mesophase transitions, liquid-liquid phase separation, vitrification and gel formation, as well as combinations of these transformation processes. The phase behaviours in polymers are thus dominated by interlinks of metastable states on different length scales. This concept successfully explains many experimental observations and provides a new way to connect different aspects of polymer physics.* Written by a leading scholar and industry expert* Presents new and cutting edge material encouraging innovation and future research* Connects hot topics and leading research in one concise volume
Download or read book Journal of Rheology written by and published by . This book was released on 2003 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt: Formerly Transactions of the Society of Rheology. Covers research on flow and deformation of complex materials. Subject coverage includes polymer physics, fluid mechanics, analysis, and material compositions.
Book Synopsis Thermotropic Liquid Crystal Polymers by : Tai-Shung Chung
Download or read book Thermotropic Liquid Crystal Polymers written by Tai-Shung Chung and published by CRC Press. This book was released on 2001-03-01 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liquid crystal polymers are sometimes called super polymers--with good reason. Their wide range of exceptional properties and ease of processing make them design candidates for many demanding applications. This new book provides a thorough review of LCP technology with the emphasis on the chemistry, synthesis and characterization of the material in its many variants. Additional chapters cover processing and applications. From the Editor's Preface The field of thermotropic liquid crystalline polymers has grown substantially in the last two decades, with fundamental research, publications, commercial products, and patents. In the 1980's, Dr. Ralph Miano led my colleagues and me at Hoechst Celanese in commercializing the first thermotropic liquid crystalline polymers, based on Dr. Gordon Calundann's composition patents. Today, more than seven companies have produced thermotropic liquid crystalline polymer materials, with at least 50 variants available. Hence, it is timely to compile a comprehensive review on the nature of this type of material and the ongoing progress in this field.... The goals of this book are to summarize previous work, provide new insights into this class of polymers, and add to the understanding of the formation of liquid crystallinity. This book covers a wide range of topics and addresses different disciplines in the field. The chapters are arranged as a learning scheme for the professional, from basic science to applied engineering. The first few chapters summarize the syntheses of various polyester, polyester-amid, and polyimide liquid crystalline polymers. The science and origins of liquid crystal formation are revealed. Next, we introduce the characterizations of these materials by their different chemical and physical aspects. Because most commercially available thermotropic liquid crystalline polymers have been used in the form of composites, we have also incorporated a chapter on polymer blends, detailing blending mechanisms and resultant properties. Two chapters on thermosetting liquid crystalline polymers integrate them with other topics, because of their unique importance and their applications for microelectronics and packaging. The final chapter deals with the engineering and processing aspects of thermoplastic liquid crystalline polymers for a variety of applications.
Book Synopsis Flow-induced Structure in Polymers by : Alan I. Nakatani
Download or read book Flow-induced Structure in Polymers written by Alan I. Nakatani and published by . This book was released on 1995 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examines recent advances in understanding the structures of polymer melts, polymer solutions, block copolymers, liquid crystalline polymers, colloid suspensions, and multiphase systems subjected to flow. Reports on advances in instrumental techniques, characterization, theories, and applications. An overview chapter provides a guide and reference source to related reviews and identifies similarities in flow behavior between various materials science disciplines.
Book Synopsis Flow-induced Phase Transitions in Liquid Crystalline Polymer Solutions by : Glenn Frederick Viaplana Gordon
Download or read book Flow-induced Phase Transitions in Liquid Crystalline Polymer Solutions written by Glenn Frederick Viaplana Gordon and published by . This book was released on 1994 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rheo-Physics of Multiphase Polymer Systems by : Kai Sondergaard
Download or read book Rheo-Physics of Multiphase Polymer Systems written by Kai Sondergaard and published by CRC Press. This book was released on 1995-06-02 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt: FROM THE PREFACE Almost all polymeric systems are subjected to a flow field at least once along the route between preparation and application. . . . There is also an increased interest in predictive models on phase behavior and suitable techniques for characterizing the structure of these systems when subjected to flow. Multiphase polymeric systems are particularly susceptible to flow, which may cause orientation of species, morphological changes, and phase transitions. All these events may, in turn, affect the end product properties, such as permeability, electrical conductivity, [and] mechanical properties. In processing, escalating needs have evolved for optimization and development of novel and more uniform product properties and increased productivity. In order to arrive at an understanding of processing polymeric systems under elastic flow conditions, it is convenient to analyze the basic physical mechanisms under conditions that enable development of predictive models in conjunction with controlled experimentation. . . . In recent years, the science of rheo-physics has evolved and now involves both advanced theories and experimental techniques. Rheo-physics means the rheological, morphological, and thermodynamic behavior of structured polymer systems during flow. . . . In this monograph, the rheo-optical techniques are . . . emphasized. The book gives an introduction to rheo-physics, including fundamentals of theories, and a representative selection of applications of rheo-optical techniques for analyzing multiphase systems. The chapters contain both practical advice for the new experimenter . . . as well as review material for the experienced scientist.
Book Synopsis Photopolymerization-induced Phase Separation and Morphology Development in Liquid Crystal/polymer Blends by : Domasius Nwabunma
Download or read book Photopolymerization-induced Phase Separation and Morphology Development in Liquid Crystal/polymer Blends written by Domasius Nwabunma and published by . This book was released on 1999 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Micro- and Nanostructured Multiphase Polymer Blend Systems by : Charef Harrats
Download or read book Micro- and Nanostructured Multiphase Polymer Blend Systems written by Charef Harrats and published by CRC Press. This book was released on 2005-09-29 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: Micro- and Nanostructured Multiphase Polymer Blend Systems: Phase Morphology and Interfaces focuses on the formation of phase morphology in polymer blends and copolymers and considers various types of blends including thermosets, thermoplastics, thermoplastic vulcanizates, and structured copolymers. The book carefully debates the processing
Book Synopsis Encyclopedia of Polymer Blends, Volume 2 by : Avraam I. Isayev
Download or read book Encyclopedia of Polymer Blends, Volume 2 written by Avraam I. Isayev and published by John Wiley & Sons. This book was released on 2011-10-17 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete and timely overview of the topic, this volume 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. Each article is uniformly structured for easy navigation, containing the latest research & development and its basic principles and applications, examples of case studies, laboratory and pilot plant experiments, as well as due reference to the published and patented literature.
Book Synopsis Flow-Induced Crystallization of Polymers by : Gaetano Guerra
Download or read book Flow-Induced Crystallization of Polymers written by Gaetano Guerra and published by Wiley-VCH. This book was released on 2002-12-20 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: In polymer processing, the molecular orientation induced by flow has a significant effect on the crystallization kinetics and final morphology of the polymer produced. The impact on processing operations and object properties is extremely important and recently scientific and technological researchers have begun to quanitify these effects. The international conference 'Flow-Induced Crystallization of Polymers', held in October 2001 in Salerno, Italy, was timely and well attended. An interdisciplinary approach was taken and presentations were made on topics ranging from real-time measurement, through modelling, to final morphology and properties of polymers. Invited and other selected contributions from the conference are collected here, in this volume of Macromolecular Symposia
Book Synopsis Phase Behavior of Polymer Blends by : Karl Freed
Download or read book Phase Behavior of Polymer Blends written by Karl Freed and published by Springer Science & Business Media. This book was released on 2005-09-01 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applied Polymer Rheology by : Marianna Kontopoulou
Download or read book Applied Polymer Rheology written by Marianna Kontopoulou and published by John Wiley & Sons. This book was released on 2011-10-24 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explore polymer rheology from an industrial standpoint Presenting state-of-the-art polymer rheology as observed by well-recognized authors, Applied Polymer Rheology: Polymeric Fluids with Industrial Applications is designed to help readers understand the relationship between molecular structure and the flow behavior of polymers. In particular, it focuses on polymeric systems that elicit special attention from industry. Providing a comprehensive overview of the rheological characteristics of polymeric fluids, the book bridges the gap between theory and practice/application, enabling readers to see the connection between molecular structure and the behavior of the polymers studied. Beginning with a discussion of the properties, processability, and processing aids of specific polymers, later chapters examine filled polymers and composites, and the theoretical framework upon which their analysis is based. Various systems containing microstructure are presented subsequently, with the final chapter introducing paste extrusion of polytetrafluoroethylene paste. An invaluable reference guide that covers the literature and vast array of technical approaches to polymer rheology, Applied Polymer Rheology's coverage of polymeric fluids of interest to industry make it an essential resource for plastics, polymer, and chemical engineers, materials scientists, polymer chemists, and polymer physicists to use when interpreting findings and planning experiments.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 918 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization of Polymer Blends by : Sabu Thomas
Download or read book Characterization of Polymer Blends written by Sabu Thomas and published by John Wiley & Sons. This book was released on 2015-02-09 with total page 972 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filling the gap for a reference dedicated to the characterization of polymer blends and their micro and nano morphologies, this book provides comprehensive, systematic coverage in a one-stop, two-volume resource for all those working in the field. Leading researchers from industry and academia, as well as from government and private research institutions around the world summarize recent technical advances in chapters devoted to their individual contributions. In so doing, they examine a wide range of modern characterization techniques, from microscopy and spectroscopy to diffraction, thermal analysis, rheology, mechanical measurements and chromatography. These methods are compared with each other to assist in determining the best solution for both fundamental and applied problems, paying attention to the characterization of nanoscale miscibility and interfaces, both in blends involving copolymers and in immiscible blends. The thermodynamics, miscibility, phase separation, morphology and interfaces in polymer blends are also discussed in light of new insights involving the nanoscopic scale. Finally, the authors detail the processing-morphology-property relationships of polymer blends, as well as the influence of processing on the generation of micro and nano morphologies, and the dependence of these morphologies on the properties of blends. Hot topics such as compatibilization through nanoparticles, miscibility of new biopolymers and nanoscale investigations of interfaces in blends are also addressed. With its application-oriented approach, handpicked selection of topics and expert contributors, this is an outstanding survey for anyone involved in the field of polymer blends for advanced technologies.
Book Synopsis Phase Behavior and Morphology of Polymer Blend Under High Flow Rate by : Piyawit Koombhongse
Download or read book Phase Behavior and Morphology of Polymer Blend Under High Flow Rate written by Piyawit Koombhongse and published by LAP Lambert Academic Publishing. This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effect of flow is of industrial relevance in melt extrusion and injection molding where temperature gradients and high deformation rates are encountered. This demands a better understanding of the flow dependence of the phase behavior in polymer blends since the morphology and properties of the finished product are influenced to great extent by the details of dynamics of the flowing melt. Experimentally both shear induced mixing and shear induced demixing phenomena have been observed under a variety of operational conditions. The primary objective of this book is to explain the phase behavior under industrially realistic deformation rates using a partially miscible SAN/PMMA blend as an example and to clarify the effect of shear flow on morphology of injection-molded sample. The reader will briefly learn the basic Thermodynamics of phase separation, Thermodynamics of polymer blends, and how to detect polymer miscibility by using Raman Spectroscopy and other techniques. The effect of shear flow on phase behavior of polymer blend is demonstrated theoretically and experimentally.
