Understanding Structure Property Relationships For Impact Polystyrene

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Understanding Structure-property Relationships for Impact Polystyrene

Author : Jason Clark
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Understanding Structure-property Relationships for Impact Polystyrene by : Jason Clark

Download or read book Understanding Structure-property Relationships for Impact Polystyrene written by Jason Clark and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The understanding of impact polystyrene structure-property relations was previously limited to ex situ analysis. Developing in situ analysis methods for morphology development and interfacial tension characterization would enhance fundamental understanding of the multi-component, multi-phase impact polystyrene system and would facilitate development of online analysis tools to improve product quality and process control. Diffusing wave spectroscopy measurements and analysis coupled with microfluidic capillary viscometry was verified as a quantitatively accurate tool using polystyrene standards and prepared solutions of well-characterized impact polystyrene samples. The diffusing wave spectroscopy analysis and microfluidic capillary viscometer were then extended as in situ tools to monitor polymerizing systems and thereby follow morphology development. Ex situ rheological methods were then employed on post-phase inversion samples to extract interfacial tension using well-established quantitative rheological models. Polymerizations were conducted at 80 °C for 6 hours with 5 wt% total polybutadiene, styrene-butadiene copolymer concentration varied between 5-15 wt% of the polybutadiene. Bulk viscosity behavior was measured at 50 °C ranging in shear rate from 100 s-1 to 1000 s-1. The effect of block copolymer and random copolymer compatibilizers on controlling the structure and viscoelasticity of impact polystyrene was investigated using these in situ tools. Styrene-butadiene copolymers contained approximately 30 wt% styrene present as a tapered diblock, majority styrene blocks in a triblock, or tapered segments in a second triblock. Structure and viscoelastic behavior during polymerization indicated the effectiveness of block copolymers as compatibilizing agents and provide a quantitative mechanism to control the structure of impact polystyrene. The copolymer compatibilization effect was quantified by rheological methods. Adaptations to capture the complete viscoelastic relaxation time have been proposed and observation of behavior at phase inversion of the impact polystyrene system is recommended for future study. Use of the microfluidic capillary viscometer coupled with the diffusing wave spectroscopy analysis was demonstrated for in situ use on the impact polystyrene polymerizing system, but is readily applicable to other multiphase systems where morphology development and characterizing shear dependent viscosity behavior during processing is beneficial. Principals demonstrated in this work can be extended readily to online process control and quality analysis by the adaptations proposed.

Structure-property Relationships of High Impact Polystyrene

Author : Mukund Dharamdas Dalal
Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.:/5 (777 download)

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Book Synopsis Structure-property Relationships of High Impact Polystyrene by : Mukund Dharamdas Dalal

Download or read book Structure-property Relationships of High Impact Polystyrene written by Mukund Dharamdas Dalal and published by . This book was released on 1980 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Structure—Property Relationships in Polymers

Author : R.B. Seymour
Publisher : Springer
ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.:/5 (45 download)

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Book Synopsis Structure—Property Relationships in Polymers by : R.B. Seymour

Download or read book Structure—Property Relationships in Polymers written by R.B. Seymour and published by Springer. This book was released on 1984-11-30 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first concern of scientists who are interested in synthetic polymers has always been, and still is: How are they synthesized? But right after this comes the question: What have I made, and for what is it good? This leads to the important topic of the structure-property relations to which this book is devoted. Polymers are very large and very complicated systems; their character ization has to begin with the chemical composition, configuration, and con formation of the individual molecule. The first chapter is devoted to this broad objective. The immediate physical consequences, discussed in the second chapter, form the basis for the physical nature of polymers: the supermolecular interactions and arrangements of the individual macromolecules. The third chapter deals with the important question: How are these chemical and physical structures experimentally determined? The existing methods for polymer characterization are enumerated and discussed in this chapter. The following chapters go into more detail. For most applications-textiles, films, molded or extruded objects of all kinds-the mechanical and the thermal behaviors of polymers are of pre ponderant importance, followed by optical and electric properties. Chapters 4 through 9 describe how such properties are rooted in and dependent on the chemical structure. More-detailed considerations are given to certain particularly important and critical properties such as the solubility and permeability of polymeric systems. Macromolecules are not always the final goal of the chemist-they may act as intermediates, reactants, or catalysts. This topic is presented in Chapters 10 and 11.

Structure-property Relationship

Author : Marie-Christin Helena Röpert
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)

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Book Synopsis Structure-property Relationship by : Marie-Christin Helena Röpert

Download or read book Structure-property Relationship written by Marie-Christin Helena Röpert and published by . This book was released on 2023* with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Structure—Property Relationships in Polymers

Author : Charles E. Carraher Jr.
Publisher : Springer Science & Business Media
ISBN 13 : 1468447483
Total Pages : 234 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Structure—Property Relationships in Polymers by : Charles E. Carraher Jr.

Download or read book Structure—Property Relationships in Polymers written by Charles E. Carraher Jr. and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first concern of scientists who are interested in synthetic polymers has always been, and still is: How are they synthesized? But right after this comes the question: What have I made, and for what is it good? This leads to the important topic of the structure-property relations to which this book is devoted. Polymers are very large and very complicated systems; their character ization has to begin with the chemical composition, configuration, and con formation of the individual molecule. The first chapter is devoted to this broad objective. The immediate physical consequences, discussed in the second chapter, form the basis for the physical nature of polymers: the supermolecular interactions and arrangements of the individual macromolecules. The third chapter deals with the important question: How are these chemical and physical structures experimentally determined? The existing methods for polymer characterization are enumerated and discussed in this chapter. The following chapters go into more detail. For most applications-textiles, films, molded or extruded objects of all kinds-the mechanical and the thermal behaviors of polymers are of pre ponderant importance, followed by optical and electric properties. Chapters 4 through 9 describe how such properties are rooted in and dependent on the chemical structure. More-detailed considerations are given to certain particularly important and critical properties such as the solubility and permeability of polymeric systems. Macromolecules are not always the final goal of the chemist-they may act as intermediates, reactants, or catalysts. This topic is presented in Chapters 10 and 11.

Practical Guide to Structures, Properties and Applications of Styrenic Polymers

Author : Norbert Niessner
Publisher : Smithers Rapra
ISBN 13 : 1847356915
Total Pages : 168 pages
Book Rating : 4.8/5 (473 download)

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Book Synopsis Practical Guide to Structures, Properties and Applications of Styrenic Polymers by : Norbert Niessner

Download or read book Practical Guide to Structures, Properties and Applications of Styrenic Polymers written by Norbert Niessner and published by Smithers Rapra. This book was released on 2013-03-18 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Styrenic polymers are among the economically most important plastics. They combine benign processing with a large variety of product properties - from stiff and transparent to tough and durable. The fact that styrene can be polymerized by different reaction mechanisms (radical, ionic and metal catalyzed) makes this line of products unique in regards to the variety of its properties and applications. The primary objective of this book is to provide a detailed understanding of structure and property relationships of styrenic polymers, and their specific use in various applications. By understanding basic chemistry, supermolecular assembly of block- and graft polymers and microscopic fracture mechanisms, the reader will be able to quickly derive macroscopic behavior and hence select the most suitable polymer for a given application. The second objective of this book is to provide a comprehensive overview about unique value propositions of styrenic polymers in different industries and applications. The reader will get an in-depth understanding of why specific styrenic polymers dominate in market segments like computer and printer housings, exterior automotive parts and the food packaging industry, and what the specific customer benefits of using these polymers are. Finally, the third objective is to provide an outlook for future product and application developments. Hence it serves not only as a quick reference guide for downstream industries, but also as a practical guide for students and researchers in this field of material science.

Structure-Property Relationships of Polymeric Solids

Author : Anne Hiltner
Publisher : Springer Science & Business Media
ISBN 13 : 1468446134
Total Pages : 266 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Structure-Property Relationships of Polymeric Solids by : Anne Hiltner

Download or read book Structure-Property Relationships of Polymeric Solids written by Anne Hiltner and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains a collection of original research papers which were presented in honor of the Bordon Award recipient, Professor Eric Baer, on the occasion of the 55th Meeting of the American Chemical Society (Atlanta, Georgia, March, 1981). The contributors are present or former colleagues and students who have worked with him in the Department of Macromolecular Science at Case Institute of Technology of Case Western Reserve University. Throughout his work, Eric Baer has attempted to find the relation ships of solid state structure and hierarchy to the resultant pro perties from which specific functions are derived. Although he has studied many seemingly unrelated subjects, from irreversible de formation, mechanics and yield processes in amorphous polymeric solids to structural organization and mechanical function of ten don, his unique goal has been to develop models from the real structure that would allow a quantitative description of properties. Today, this area of "microscience" is rapidly expanding as new and sophisticated applications of polymeric materials with multifunc tional properties are emerging from our understanding and control of the solid state. The wide-ranging ideas and the original ity of Professor Baer's contributions have stimulated many new concepts which are now widely accepted in the field of high polymers. The contributions to this volume represent many of the areas which he has explored.

Structure - Property Relationships of Polystyrene/rubber Bulk Blends Produced by Compositional Quenching

Author : Devesh Mathur
Publisher :
ISBN 13 :
Total Pages : 223 pages
Book Rating : 4.:/5 (115 download)

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Book Synopsis Structure - Property Relationships of Polystyrene/rubber Bulk Blends Produced by Compositional Quenching by : Devesh Mathur

Download or read book Structure - Property Relationships of Polystyrene/rubber Bulk Blends Produced by Compositional Quenching written by Devesh Mathur and published by . This book was released on 1998 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effects of Substituent Geometry on the Structure-property Relationships of Substituted Sydiotactic Polystyrene

Author : Valerie N. Moses
Publisher :
ISBN 13 :
Total Pages : 94 pages
Book Rating : 4.:/5 (127 download)

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Book Synopsis Effects of Substituent Geometry on the Structure-property Relationships of Substituted Sydiotactic Polystyrene by : Valerie N. Moses

Download or read book Effects of Substituent Geometry on the Structure-property Relationships of Substituted Sydiotactic Polystyrene written by Valerie N. Moses and published by . This book was released on 2003 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Structure-property Relationships of Polystyrene-based Bead Foams

Author : Daniel Raps
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (123 download)

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Book Synopsis Structure-property Relationships of Polystyrene-based Bead Foams by : Daniel Raps

Download or read book Structure-property Relationships of Polystyrene-based Bead Foams written by Daniel Raps and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Characterization and Structure-property Relationships in Syndiotactic Polystyrene and Polyphenylene Oxide Blends

Author : Gyanendra Dutt
Publisher :
ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.:/5 (445 download)

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Book Synopsis Characterization and Structure-property Relationships in Syndiotactic Polystyrene and Polyphenylene Oxide Blends by : Gyanendra Dutt

Download or read book Characterization and Structure-property Relationships in Syndiotactic Polystyrene and Polyphenylene Oxide Blends written by Gyanendra Dutt and published by . This book was released on 1999 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advanced Polymeric Materials

Author : Gabriel O. Shonaike
Publisher : CRC Press
ISBN 13 : 1135435626
Total Pages : 756 pages
Book Rating : 4.1/5 (354 download)

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Book Synopsis Advanced Polymeric Materials by : Gabriel O. Shonaike

Download or read book Advanced Polymeric Materials written by Gabriel O. Shonaike and published by CRC Press. This book was released on 2003-04-14 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt: Featuring contributions from experts at some of the world's leading academic and industrial institutions, Advanced Polymeric Materials: Structure Property Relationships brings into book form a wealth of information previously available primarily only within computer programs. In a welcome narrative treatment, it provides comprehensive coverage of p

Graphene

Author : Mujtaba Ikram
Publisher : BoD – Books on Demand
ISBN 13 : 1803564318
Total Pages : 222 pages
Book Rating : 4.8/5 (35 download)

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Book Synopsis Graphene by : Mujtaba Ikram

Download or read book Graphene written by Mujtaba Ikram and published by BoD – Books on Demand. This book was released on 2023-02-15 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Graphene is considered as a miracle material for scientists and engineers owing to its outstanding physical properties. Graphene and its nanocomposites are promising multifunctional materials with improved tensile strength and elastic modulus. graphene nanocomposites may have a wide range of potential applications due to their outstanding properties and the low cost of graphene. Because graphene composites have a controllable porous structure, a large surface area, high conductivity, high-temperature stability, excellent anti-corrosion properties, and composite compatibility, they can be used in energy storage as electrocatalysts, electro-conductive additives, intercalation hosts, and an ideal substrate for active materials. Shortly, graphene will be a base for the next generation’s scientific revolution.

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 1346 pages
Book Rating : 4.:/5 (31 download)

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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 1985 with total page 1346 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Polymeric Foams

Author : José Ignacio Velasco
Publisher : MDPI
ISBN 13 : 3039216325
Total Pages : 322 pages
Book Rating : 4.0/5 (392 download)

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Book Synopsis Polymeric Foams by : José Ignacio Velasco

Download or read book Polymeric Foams written by José Ignacio Velasco and published by MDPI. This book was released on 2019-11-18 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in nanotechnology have boosted the development of more efficient materials, with emerging sectors (electronics, energy, aerospace, etc.) demanding novel materials to fulfill the complex technical requirements of their products. This is the case of polymeric foams, which may display good structural properties alongside functional characteristics through a complex composition and (micro)structure in which a gas phase is combined with rigid ones, mainly based on nanoparticles, dispersed throughout the polymer matrix. In recent years, there has been an important impulse in the development of nanocomposite foams, extending the concept of nanocomposites to the field of cellular materials. This, alongside developments in new advanced foaming technologies which have allowed the generation of foams with micro, sub-micro, and even nanocellular structures, has extended the applications of more traditional foams in terms of weight reduction, damping, and thermal and/or acoustic insulation to novel possibilities, such as electromagnetic interference (EMI) shielding. This Special Issue, which consists of a total of 22 articles, including one review article written by research groups of experts in the field, considers recent research on novel polymer-based foams in all their aspects: design, composition, processing and fabrication, microstructure, characterization and analysis, applications and service behavior, recycling and reuse, etc.

Modern Styrenic Polymers

Author : John Scheirs
Publisher : John Wiley & Sons
ISBN 13 : 9780471497523
Total Pages : 796 pages
Book Rating : 4.4/5 (975 download)

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Book Synopsis Modern Styrenic Polymers by : John Scheirs

Download or read book Modern Styrenic Polymers written by John Scheirs and published by John Wiley & Sons. This book was released on 2003-03-28 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title addresses the latest developments in the field, covering the major advances that have occurred over the past five years in the polymerization and structure of new generation polystyrenes that are broadening its scope of application. It covers the advent of branched polystyrenes, syndiotactic polystyrene, high-molecular weight general purpose PS, styrenic interpolymers, and clear SBS copolymers Presents voluminous research previously only reported at conferences in one reference Unique coverage of a topic not found in the field

Ionomers

Author : M.R. Tant
Publisher : Springer Science & Business Media
ISBN 13 : 940091461X
Total Pages : 524 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Ionomers by : M.R. Tant

Download or read book Ionomers written by M.R. Tant and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymers have achieved an enviable position as the class of materials having the highest volume of production, exceeding that of both metals and ceramics. The meteoric rise in the production and utilization of polymers has been due to advances in polymer synthesis which allow the creation of specific and well-defined molecular structures, to new knowledge concerning the relationships between polymer structure and properties, and to an improved understanding of how processing can be used as a tool to develop morphological features which result in desired properties. Polymers have truly become 'engineered materials' in every sense of the term. Polymer scientists and engineers are forever seeking to modify and improve the properties of synthetic polymeric systems for use in specific applications. Towards this end they have often looked to nature for advice on how to design molecules for specific needs. An excellent illustration of this is the use of noncovalent bonding (ionic, hydrogen, and van der Waals) in lipids, proteins, and nucleic acids, where these noncovalent bonds, acting both intra and intermolecularly, precisely control the structure and thus the function of the entire system. The utilization of ionic bonding, in particular in man-made polymers has attracted widespread interest in recent years, since ionic interactions exert a similar strong influence on the structure and properties of these synthetic systems.