miscible polymer blends background and guide for calculations and design

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Miscible Polymer Blends

Author : Michael M. Coleman
ISBN : 9781932078558
Genre : Technology & Engineering
File Size : 77. 16 MB
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Offers polymer chemists and engineers a method for very rapidly determining which polymers and co-polymers mix and do not mix. The CD-ROM calculator is designed to aid in determining promising polymer blends for many different applications. A self-guided tutorial on the CD-ROM, as well as an accompanying booklet, presents the theoretical background.

Functional Polymer Blends

Author : Vikas Mittal
ISBN : 9781439856703
Genre : Technology & Engineering
File Size : 42. 48 MB
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With their broad range of properties, polymer blends are widely used in adhesion, colloidal stability, the design of composite and biocompatible materials, and other areas. As the science and technology of polymer blends advances, an increasing number of polymer blend systems and applications continue to be developed. Functional Polymer Blends: Synthesis, Properties, and Performance presents the latest synthesis and characterization methodologies for generating polymer blend systems. This one-stop resource brings together both experimental and theoretical material, much of which has previously only been available in research papers. Featuring contributions by eminent international experts, the book: Reviews polymer blend systems Details miscibility enhancements in polymer blends through multiple hydrogen binding interactions Presents the component dynamics in polymer blend systems Discusses concepts of shape memory polymer blends Considers ethylene methyl acrylate (EMA) copolymer toughened polymethyl methacrylate (PMMA) blends Provides theoretical insights through molecular dynamics simulation studies for binary blend miscibility Reports on the conformation and topology of cyclic linear polymer blends (CLBs) Addresses strain hardening in polymer blends with fibril morphology Explores the modification of polymer blends by irradiation techniques Examines the directed assembly of polymer blends using nanopatterned chemical surfaces Combining background and advanced information on technologies, methods, and applications, this practical reference is a must-have for researchers and industry professionals as well as students in materials science, chemistry, and chemical and surface engineering.

Hydrogen Bonding In Polymeric Materials

Author : Shiao-Wei Kuo
ISBN : 9783527341887
Genre : Science
File Size : 84. 82 MB
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1. INtroduction 1.1. HYdrogen Bonding 1.2. CHaracterizations of Hydrogen Bonding 2. HYdrogen Bonding in Polymer Blend 2.1. THermodynamic Properties in Polymer Blend 2.2. ASsociation Model Approach 2.3. MEasuring Hydrogen Bonds Using Infrared Spectroscopy 2.3.1 Self-Association Equilibrium Constant 2.3.2 Inter-Association Equilibrium Constant 2.4. FActors Influencing Hydrogen Bonds 2.4.1 Intramolecular Screening Effect 2.4.2 Functional Group Accessibility 2.4.3 The Acidity of H-Bond Donor Groups 2.4.4 The Basicity of H-Bond Acceptor Groups 2.4.5 Steric Hinderance 2.4.6 Bulk of the Side Groups 2.4.7 Temperature Effect 2.4.8 Solvent Effect 2.5. ENhancing Miscibility through Hydrogen Bonding 2.5.1 Miscibility Characterization 2.5.2 Incorporation of Hydrogen Bonding Monomers on Main Chain 2.5.3 Effect of Inert Diluent Segments 2.5.4 Ternary Polymer Blends 3. PHysical Properties of Hydrogen Bond Polymer 3.1. THermal Property 3.1.1 Glass Transition Temperatures 3.1.1 Positive Deviation of Glass Transition Temperature 3.1.2 Negative Deviation of Glass Transition Temperature 3.1.2 Melting Temperatures 3.1.3 Crystallization Behavior 3.2. RHeology Property 3.3. DYnamic Property 4. SUrface Properties of Hydrogen Bond Polymer 4.1 Low Surface Energy Polymer 4.2 Superhydrophobic Surface 5. SEquence Distribution Effect in Hydrogen Bond Copolymer 5.1. BLock Copolymer vs Random Copolymer 5.2. BLock Copolymer vs Polymer Blend 5.3. SEparated Coil vs Chain Aggregation 6. HYdrogen Bonding Mediated Self-Assembly Structures of Block Copolymer 6.1. SElf-Assembly Structure in Bulk State 6.1.1. BLock Copolymer/Low Molecular Weight Compound Mixture 6.1.2. BLock Copolymer/Homopolymer Mixture 6.1.3. BLock Copolymer/Block Copolymer Mixture 6.2. SElf-Assembly Structure in Solution 6.2.1. BLock Copolymer/Low Molecular Weight Compound Mixture 6.2.2. BLock Copolymer/Homopolymer Mixture 6.2.3. BLock Copolymer/Block Copolymer Mixture 6.2.4. NOn-Covalent Bond Micelle (Block-free Copolymer) 7. MEsoporous Materials through Hydrogen Bonding 7.1 Mesoporous Phenolic/Carbon Materials 7.2 Mesoporous Silica Materials 8. BIoinspired Hydrogen Bonding in Biomacromolecules 8.1. POlypeptide 8.1.1. SEcondary Structure Characterization 8.1.2. SElf-Assembly Structure through Polymer Blend 8.1.3. SElf-assembly Structure through Block Copolymer 8.2 DNA-like Polymers 8.2.1. SUpramolecular Polymer Blend 8.2.2. SUpramolecular Self-Assembly Structure 8.3. SElf-Healing Polymers 9. HYdrogen Bond in POSS Nanocomposites 9.1 General Approach of Synthesizing POSS 9.2.1 Monofunctional POSS Synthesis 9.2.2 Bifunctional POSS Synthesis 9.2.3 Multifunctional POSS Synthesis 9.2 Miscibility Behavior of Polymer/POSS Nanocomposites 9.3 POSS Nanocomposites by Hydrogen Bond 9.4.1 Thermal Property 9.4.2 Low Surface Energy Property 9.4.3 Low Dielectric Constant 9.4.4 Photoresist 9.4.5 Self-Assembly Structures 9.4.6 Nanoparticles

Australian Journal Of Chemistry

Author :
ISBN : MINN:31951P00977896C
Genre : Chemistry
File Size : 54. 42 MB
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Specific Interactions And The Miscibility Of Polymer Blends

Author : Michael M. Coleman
ISBN : 0877628238
Genre : Technology & Engineering
File Size : 78. 5 MB
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This book with software provides powerful tools for the analysis, prediction and creation of new polymer blends, an area of significant commercial potential. The R&D approaches and methods described in the book have attracted the interest of polymer R&D leaders in industry, and have been put into use in several major chemical companies. The companion set of computer programs speeds and facilitates work in this area. FROM THE AUTHORS' PREFACE: During the 1980's a steadily increasing number of compatible systems [polymer blends] have been reported. We believe that miscible mixtures will prove to be fairly common and the purpose of this book is to explore the circumstances in which single phase materials can be obtained. We will also describe a model for the phase behavior of these mixtures which we believe to have a predictive value, or be used as a practical guide to polymer miscibility. Our approach is based on the use of association models which have until recently been largely ignored in treating hydrogen bonding in polymer mixtures. They have most frequently been applied to mixtures of alcohols with simple hydrocarbons, where the equilibrium constants used to describe association have most frequently been determined by a fit to thermodynamic data (e.g., vapor pressures, heat of mixing). In our work we have sought to, first, adapt this approach to a description of the phase behavior of polymer mixtures; second, develop spectroscopic methods that provide an independent measurement of the equilibrium constants. Our purpose in this book is to explore and describe this approach and illustrate its broad utility. We address two overlapping yet different audiences. One would be primarily interested in the broad nature of this approach and the practical applications of a simple model. The second would be more interested in the derivations of the equations and some of the fundamental aspects of the spectroscopy of these systems. Accordingly this book is in the form of a sandwich. We begin with a brief introduction to theories of mixing and the phase behavior of polymeric mixtures, followed by a practical guide to polymer miscibility. This chapter also serves to identify the types of systems in which, by copolymerization or other means, one might introduce the appropriate hydrogen bonding functional groups and obtain a miscible system. The [main substance] of this book is in [the] chapters where fundamental aspects of hydrogen bonds, spectroscopy and the application of association models are described. We also offer [separately] computer programs that calculate and display many of the important quantities described in this book (e.g., the stoichiometry of hydrogen bonding and its relationship to infrared measurements, phase behavior, etc.). In our view one can obtain a good feel for the miscibility of many systems with these programs.

Nanostructured Polymer Blends

Author : Sabu Thomas
ISBN : 9781455731602
Genre : Technology & Engineering
File Size : 76. 99 MB
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Over 30% of commercial polymers are blends or alloys or one kind or another. Nanostructured blends offer the scientist or plastics engineer a new range of possibilities with characteristics including thermodynamic stablility; the potential to improve material transparency, creep and solvent resistance; the potential to simultaneously increase tensile strength and ductility; superior rheological properties; and relatively low cost. Nanostructured Polymer Blends opens up immense structural possibilities via chemical and mechanical modifications that generate novel properties and functions and high-performance characteristics at a low cost. The emerging applications of these new materials cover a wide range of industry sectors, encompassing the coatings and adhesives industry, electronics, energy (photovoltaics), aerospace and medical devices (where polymer blends provide innovations in biocompatible materials). This book explains the science of nanostructure formation and the nature of interphase formations, demystifies the design of nanostructured blends to achieve specific properties, and introduces the applications for this important new class of nanomaterial. All the key topics related to recent advances in blends are covered: IPNs, phase morphologies, composites and nanocomposites, nanostructure formation, the chemistry and structure of additives, etc. Introduces the science and technology of nanostructured polymer blends – and the procedures involved in melt blending and chemical blending to produce new materials with specific performance characteristics Unlocks the potential of nanostructured polymer blends for applications across sectors, including electronics, energy/photovoltaics, aerospace/automotive, and medical devices (biocompatible polymers) Explains the performance benefits in areas including rheological properties, thermodynamic stablility, material transparency, solvent resistance, etc.

Essentials Of Polymer Science And Engineering

Author : Paul C. Painter
ISBN : 9781932078756
Genre : Technology & Engineering
File Size : 52. 59 MB
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T his book is at once an introduction to polymers and an imaginative invitation to the field of polymer science and engineering as a whole, including plastics and plastics processing. Created by two of the best-known scientists in America, the text explains and helps students as well as professionals appreciate all major topics in polymer chemistry and engineering: polymerization synthesis and kinetics, applications of probability theory, structure and morphology, thermal and solution properties, mechanical properties, biological properties and plastics processing methods. Essentials of Polymer Science and Engineering, designed to supercede many standard texts (including the authors'), is unique in a number of ways. Special attention has been paid to explaining fundamentals and providing high-level visuals. In addition, the text is replete with engaging profiles of polymer chemists and their discoveries. The book explains the science of polymer engineering, and at the same time, tells the story of the field from its beginnings to the present, indicating when and how polymer discoveries have played a role in history and society. The book comes well equipped with study questions and problems and is suitable for a one- or two-semester course for chemistry students at the undergraduate and graduate levels.

Polymer Blends Formulation And Performance Two Volume Set

Author : Donald R. Paul
ISBN : 0471248258
Genre : Science
File Size : 26. 24 MB
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The authoritative resource on polymer blends for the twenty-first century. The most definitive and up-date reference available on the subject, the two-volume set Polymer Blends: Formulation and Performanceexplores and summarizes the recent progress made in polymer blend technology through the use of carefully selected contributions from today's foremost authorities from around the world. Stemming from over two decades of growth within the field, each chapter offers a unique combination of expertise and point of view designed to guide professionals working in the field into the twenty-first century. Editors Donald R. Paul and Clive B. Bucknall have devoted considerable attention to coordinating the contents and style of each chapter to assure coherent transition from topic to topic, and chapter to chapter. Far more than a compendium of recent literature or a review on dramatic new advances, this highly practical handbook is essential reading for anyone concerned with development or use of polymer blends. The two-volume set provides the scientist with useful guidelines for designing polymers with desired properties. Volume 1 is devoted to the formulation of polymer blends. Coverage includes: * The basic thermodynamics of polymer-polymer mixtures * Characterization of blends by a variety of techniques * Structure formation, particularly of multiphase blends Volume 2 is devoted to the performance of polymer blends. Coverage includes: * Mechanical properties and fracture resistance * The performance of rubber-toughened polymers, including fatigue bahavior * Blending for specific performance characteristics * Reinforced polymer blends. Features: * · Contributions from the world's leading experts provide the most authoritative and objective examination of the past twenty years of progress in the field * · Careful editing ensures a smooth and logical transition from topic to topic * · Comprehensive coverage provide enough background to enable even a beginner to begin work in the field * · In-depth coverage presents the most important issues in the field culled from critical sifting through current literature * · Clear, concise entries and carefully selected graphics emphasize important basic principles and conceptual points to aid in understanding * · Bibliographies at the end of each chapter identify the most up-to-date and significant literature on each topic to facilitate further research. Donald R. Paul, PhD, is Director of the Texas Materials Institute of the University of Texas at Austin. Clive B. Bucknall, ScD, PhD, is Head of the Advanced Materials Department, SIMS, Cranfield University, Bedford, United Kingdom.

Shape Memory Polymers For Aerospace Applications

Author : Gyaneshwar Tandon
ISBN : 9781605951188
Genre : Technology & Engineering
File Size : 74. 8 MB
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Shape memory polymer chemistry and design for active materials and morphing structuresCovers shape memory in polymers, alloys and composites, including models and testing Essential equations for analysis of the structure, behavior and properties of SMPsMany graphs and figures in full color A technical analysis of shape-memory polymers (SMPs) and their composites, particularly in adaptive materials, this volume introduces designs linking SMPs to metals, elastomers, foams, nanoparticles and other materials, as well as the engineering of SMPs directly into parts and active (morphing) components. Attention is given to controlled structures activated by light, heat, electricity and other energy sources, as well as the connection of SMPs with actuators. Part one discusses the activation and analysis of the shape memory response, including shape recovery. Subsequent chapters offer modeling and other tools for investigating the SMP response, including shape recovery. Part three combines the response with micro- and macro-scale reinforcing phases for producing SMP composites, and the following section discusses synthetic and nanostructured customization of the shape memory polymer response. The final section focuses on specific SMP concepts in aircraft, including morphing skins, wings, unimorph composite actuators for deployment, and variable stiffness elements.

Introduction To Polymer Chemistry

Author : Judit E. Puskas, Ph.D
ISBN : 9781605950303
Genre : Technology & Engineering
File Size : 22. 13 MB
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Fundamental concepts and reactions explained through polymers from plants and animals Macromolecular structures introduced via biological polymers Includes a course syllabus, study questions and exercises Extensive lab guidance and protocols for DNA isolation, amplification using PCR Full color figures shown throughout the text This book connects modern synthetic polymer chemistry to its roots by exploring the chemistry of natural polymers and self-assembled macromolecular structures. Designed to introduce students to the basics of polymer science, the text investigates intermolecular forces, functional groups and key reactions by means of polymers found in, and produced by, living plants and animals, including proteins, rubber, DNA, fibers, lignin, carbohydrates and many others. The author explains how varied natural polymeric systems illustrate a wide array of fundamental polymer concepts. Key analogies are demonstrated between mechanisms in biological and synthetic polymerization, and the text uses growth, DNA replication, self-assembly and other biological processes to assist the student in mastering the terminology and molecular-level mechanisms of polymer chemistry. To guide both instructors and students the book includes the outline of a one-semester course syllabus, end-of-chapter questions, as well as detailed instructions for setting up multiple labs dealing with gene isolation and amplification using polymerase chain reaction techniques (PCR). Each chapter also offers exercises based on real-world examples.

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