Structure Property Relationships In Model Polyolefins
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Structure Property Relationships In Model Polyolefins
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Author : Peter Andrew Weimann
language : en
Publisher:
Release Date : 1998
Structure Property Relationships In Model Polyolefins written by Peter Andrew Weimann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Structure Property Relationships In Polymers
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Author : Charles E. Carraher Jr.
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Structure Property Relationships In Polymers written by Charles E. Carraher Jr. 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 2012-12-06 with Science categories.
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 Relationships In Polyolefins
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Author : Cristian Eugen Hedesiu
language : en
Publisher:
Release Date : 2007
Structure Property Relationships In Polyolefins written by Cristian Eugen Hedesiu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Structure Property Relationships In Some Novel Polyolefins
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Author : Peter Simon Dias
language : en
Publisher:
Release Date : 2008
Structure Property Relationships In Some Novel Polyolefins written by Peter Simon Dias and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
Structure Property Relationships In Polyolefin Blends And Copolymers
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Author : Feng Zuo
language : en
Publisher:
Release Date : 2009
Structure Property Relationships In Polyolefin Blends And Copolymers written by Feng Zuo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Crystalline polymers categories.
Structure Property Relationships Of Polymeric Solids
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Author : Anne Hiltner
language : en
Publisher: Springer
Release Date : 2012-12-12
Structure Property Relationships Of Polymeric Solids written by Anne Hiltner and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-12 with Science categories.
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 Relations
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Author : R. E. Newnham
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Structure Property Relations written by R. E. Newnham 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 2012-12-06 with Science categories.
As a boy I loved to build model airplanes, not the snap-together plastic models of today, but the old-fashioned Spads and Sopwith Camels made of balsa wood and tissue paper. I dreamed of EDDIE RICKENBACKER and dogfights with the Red Baron as I sat there sniffing airplane glue. Mother thought I would never grow up to make an honest living, and mothers are never wrong. Thirty years later I sit in a research laboratory surrounded by crystal models and dream of what it would be like to be 1 A tall, to rearrange atoms with pick and shovel, and make funny things happen inside. Professor VON HIPPEL calls it "Molecular Engineering," the building of materials and devices to order: We begin to design materials with prescribed properties, to under stand the molecular causes of their failings, to build into them safe guards against such failure, and to arrive at true yardsticks of ultimate performance. No longer shackled to presently available materials, we are free to dream and find answers to unprecedented challenges. It is this revolutionary situation which makes scientists and engineers true allies in a great adventure of the human mind [1]. This book is about structure-property relationships, more especially applications of crystal chemistry to engineering problems. Faced with the task of finding new materials, the crystallographer uses ionic radii, crystal fields, anisotropic atomic groupings, and symmetry arguments as criteria in the materials selection process.
Miscibility And Structure Property Relationships In Some Novel Polyolefins
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Author : Akshay R. Kamdar
language : en
Publisher:
Release Date : 2009
Miscibility And Structure Property Relationships In Some Novel Polyolefins written by Akshay R. Kamdar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Adhesion categories.
In the first chapter, miscibility of homogeneous propylene/ethylene (P/E) copolymers of relatively narrow molecular weight distribution was studied as a function of constituent comonomer content. Polymers with up to 31 mol% ethylene were blended in pairs in order to vary the comonomer content difference. Copolymers of molecular weight about 200 kg/mol were miscible if the difference in ethylene content was less than about 18 mol%, and immiscible if the ethylene content difference was greater than about 20 mol%. Blends with constituent composition difference in the range of 18 20 mol% exhibited partial miscibility in the melt. In the second chapter, the effect of chain microstructure on the miscibility and phase behavior of ethylene-octene (EO) copolymer blends was studied. Binary blends of two statistical copolymers (EO/EO blends) that differed in comonomer content were compared with blends of an EO with an olefinic blocky ethylene-octene copolymer, OBC (EO/OBC blends). Two EOs of molecular weight about 100 kg/mol were miscible if the difference in octene content was less than about 10 mol% and immiscible if the octene content difference was greater than about 13 mol%. The blocky nature of the OBCs reduced the miscibility and broadened the partial miscibility window of EO/OBC blends compared to EO/EO blends. The EO/OBC blends were miscible if the octene content difference was less than 7 mol% and immiscible above 13 mol% octene content difference. In the third chapter, the adhesion of some ethylene-octene copolymers to polypropylene (PP) and high density polyethylene (HDPE) was studied in order to evaluate their suitability as compatibilizers for PP/HDPE blends. A one-dimensional model of the compatibilized blend was fabricated by layer-multiplying coextrusion. The microlayered tapes consisted of many alternating layers of PP and HDPE with a thin tie-layer inserted at each interface. The thickness of the tie-layer varied from 0.1 to 14 microns, which included thicknesses comparable to those of the interfacial layer in a compatibilized blend. A blocky copolymer (OBC) consistently exhibited better adhesion to PP than statistical copolymers (EO). Inspection of the crack-tip damage zone revealed a change from a continuous plastic damage zone in tie-layers 2 microns or thicker to a highly fibrillated damage zone in thinner tie-layers.
Polyolefin Characterization
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Author : Joao B. P. Soares
language : en
Publisher: John Wiley & Sons
Release Date : 2007
Polyolefin Characterization written by Joao B. P. Soares and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Science categories.
The First International Conference on Polyolefin Characterization (ICPC) held in Houston, Texas, in October 2006, was organized to fill the important industrial and academic need for a discussion forum on the characterization and fractionation techniques of polyolefins. These proceedings represent an excellent and up-to-date overview of recent advances in this important area, providing much information and facts that are not available elsewhere. The result is a collection of top quality contributions by experienced editors and international authors on such fields as separation and fractionation, high throughput processes, thermal and crystallinity analysis, spectroscopy and rheology. Equally of high interest for the polymer industry.
Processing Structure Properties Relationships In Polymers
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Author : Roberto Pantani
language : en
Publisher: MDPI
Release Date : 2019-12-05
Processing Structure Properties Relationships In Polymers written by Roberto Pantani and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-12-05 with Science categories.
This collection of research and review papers is aimed at depicting the state of the art on the possible correlations between processing variables, obtained structure and special properties which this structure induces on the plastic part. The extraordinary capacity of plastics to modify their properties according to a particular structure is evidenced for several transformation processes and for many applications. The final common goal is to take profit of this peculiar capacity of plastics by inducing, through a suitable processing, a specific spatial organization.