Study Of Crystallinity Of Graft Copolymers And Blends
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Study Of Crystallinity Of Graft Copolymers And Blends
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Author : Narendra Dahyabhai Master
language : en
Publisher:
Release Date : 1974
Study Of Crystallinity Of Graft Copolymers And Blends written by Narendra Dahyabhai Master and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Graft copolymers categories.
Blends And Graft Copolymers Of Cellulosics
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Author : Yoshiyuki Nishio
language : en
Publisher: Springer
Release Date : 2017-04-07
Blends And Graft Copolymers Of Cellulosics written by Yoshiyuki Nishio and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-04-07 with Technology & Engineering categories.
This book reveals how polymer blending and grafting now offer a growing range of new applications for advanced films and fibers. Further, it details how the processing and original physical properties of cellulosics can be improved, and demonstrates how new, cellulose-core polymeric materials offer a wide range of synergistic functionalities. Lastly, it summarizes basic characterization studies and successful fabrications of advanced films and fibers. The book is primarily intended for advanced undergraduates, academic and industrial researchers and professionals studying or using bio-based polymers.
Recent Advances In Polymer Blends Grafts And Blocks
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Author : L. Sperling
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Recent Advances In Polymer Blends Grafts And Blocks written by L. Sperling and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Technology & Engineering categories.
Polymer blends, grafts, and blocks, broadly defined, encompass all of the ways in which two or more kinds of poly mer molecules can be mixed and/or joined. Because these mate rials exhibit non-linear and often synergistic properties, they have found increasing application in our technology. Their multifarious uses have, in turn, spurred new research efforts, to find yet different ways of joining two kinds of polymer molecules, with novel physical and/or mechanical behavior patterns. In August, 1973, the Polymer Division of the American Chemical Society sponsored a symposium at its meeting in Chi cago on Polymer Blends, Grafts, and Blocks. This book collects the papers presented at that symposium. Yet, it is more than just a collection of papers, for we here display the thinking and efforts of a number of top-ranking American and foreign scientists in one of the world's more active research areas. The symposium emphasized the interrelationships among synthetic detail, morphology, and physical and mechanical properties. Several novel syntheses were presented. These include oxidation resistant thermoplastic elastomers (Holden), a graft copolymer based thermoplastic elastomer (Kennedy and Smith), a cationic graft copolymer (Kennedy, Charles, and Davidson), an AB crosslinked copolymer (Bamford and Eastmond), an interpenetrating polymer network (Donatelli, Thomas, and Sperling), and simultaneous interpenetrating networks (Frisch, Klempner, Frisch, and Ghiradella). Most polymer blends, grafts, and blocks exhibit two phases. The theory of microdomain structure was discussed (Helfand). The different ways that the two molecules can be joined together was examined (Kenney), and their topology was explored (Sperling).
Polymer Blends And Composites
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Author : John A. Manson
language : en
Publisher: Springer Science & Business Media
Release Date : 1976
Polymer Blends And Composites written by John A. Manson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Science categories.
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...
Polysaccharide Based Graft Copolymers
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Author : Susheel Kalia
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-05-23
Polysaccharide Based Graft Copolymers written by Susheel Kalia and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-05-23 with Technology & Engineering categories.
Renowned experts give all essential aspects of the techniques and applications of graft copolymers based on polysaccharides. Polysaccharides are the most abundant natural organic materials and polysaccharide based graft copolymers are of great importance and widely used in various fields. Natural polysaccharides have recently received more attention due to their advantages over synthetic polymers by being non-toxic, biodegradable and available at low cost. Modification of polysaccharides through graft copolymerization improves the properties of polysaccharides. Grafting is known to improve the characteristic properties of the backbones. Such properties include water repellency, thermal stability, flame resistance, dye-ability and resistance towards acid-base attack and abrasion. Polysaccharides and their graft copolymers find extensive applications in diversified fields. Applications of modified polysaccharides include drug delivery devices, controlled release of fungicides, selective water absorption from oil-water emulsions, purification of water etc.
Polymer Alloys Ii
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Author : Daniel Klempner
language : en
Publisher: Springer
Release Date : 1980-03
Polymer Alloys Ii written by Daniel Klempner and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980-03 with Science categories.
The term "alloy" as pertaining to polymers has become an increasingly popular description of composites of polymers, parti cularly since the publication of the first volume in this series in 1977. Polymer alloy refers to that class of macromolecular materials which, in general, consists of combinations of chemically different polymers. The polymers involved in these combinations may be hetero geneous (multiphase) or homogeneous (single phase). They may be linked together with covalent bonds between the component polymers (block copolymers, graft copolymers), linked topologically with no covalent bonds (interpenetrating polymer networks), or not linked at all except physically (polyblends). In addition, they may be linear (thermoplastic), crosslinked (thermosetting), crystalline, or amorphous, although the latter is more common. To the immense satisfaction - but not surprise - of the editors, there has been no decrease in the research and development of polymer alloys since the publication of the first volume, as evidenced by numerous publications, conferences and symposia. Continued advances in polymer technology caused by the design of new types of polymer alloys have also been noted. This technolog ical interest stems from the fact that these materials very often exhibit a synergism in properties achievable only by the formation of polymer alloys. The classic examples, of course, are the high impact plastics, which are either polyblends, block, or graft co polymers composed of a rubbery and a glassy polymer. Interpene trating polymer networks (IPN's) of such polymers also exhibit the same, or even greater, synergism.
Studies On The Grafting Reaction Between Polymers Having A Large Number Of Reactive Groups And The Formation Of Compatibilized Blends
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Author : Li Nie
language : en
Publisher:
Release Date : 1994
Studies On The Grafting Reaction Between Polymers Having A Large Number Of Reactive Groups And The Formation Of Compatibilized Blends written by Li Nie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Graft copolymers categories.
Studies On Block And Graft Copolymers And Polyblends Of Poly Beta Lactones
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Author : Robert J. Jorgensen
language : en
Publisher:
Release Date : 1978
Studies On Block And Graft Copolymers And Polyblends Of Poly Beta Lactones written by Robert J. Jorgensen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Lactones categories.
Polymer Crystallization I
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Author : Finizia Auriemma
language : en
Publisher: Springer
Release Date : 2016-12-21
Polymer Crystallization I written by Finizia Auriemma and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-12-21 with Technology & Engineering categories.
The series Advances in Polymer Science presents critical reviews of the present and future trends in polymer and biopolymer science. It covers all areas of research in polymer and biopolymer science including chemistry, physical chemistry, physics, material science. The thematic volumes are addressed to scientists, whether at universities or in industry, who wish to keep abreast of the important advances in the covered topics. Advances in Polymer Science enjoys a longstanding tradition and good reputation in its community. Each volume is dedicated to a current topic, and each review critically surveys one aspect of that topic, to place it within the context of the volume. The volumes typically summarize the significant developments of the last 5 to 10 years and discuss them critically, presenting selected examples, explaining and illustrating the important principles, and bringing together many important references of primary literature. On that basis, future research directions in the area can be discussed. Advances in Polymer Science volumes thus are important references for every polymer scientist, as well as for other scientists interested in polymer science - as an introduction to a neighboring field, or as a compilation of detailed information for the specialist. Review articles for the individual volumes are invited by the volume editors. Single contributions can be specially commissioned. Readership: Polymer scientists, or scientists in related fields interested in polymer and biopolymer science, at universities or in industry, graduate students
Current Topics In Elastomers Research
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Author : Anil K. Bhowmick
language : en
Publisher: CRC Press
Release Date : 2008-05-07
Current Topics In Elastomers Research written by Anil K. Bhowmick and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-05-07 with Technology & Engineering categories.
From weather-proof tires and artificial hearts to the o-rings and valve seals that enable successful space exploration, rubber is an indispensable component of modern civilization. Stiff competition and stringent application requirements foster continuous challenges requiring manufacturers to fund ever-expanding research projects. However, this vas