Transport Phenomena in Polymeric Systems PDF Download
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Author: R. A. Mashelkar
Publisher: New Delhi : Wiley Eastern Limited
ISBN: 9780852265420
Category : Polymers and polymerization
Languages : en
Pages : 447
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Book Description
Author: R. A. Mashelkar
Publisher: New Delhi : Wiley Eastern Limited
ISBN: 9780852265420
Category : Polymers and polymerization
Languages : en
Pages : 447
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Musa Rasim Kamal
Publisher: South Asia Books
ISBN: 9788122401851
Category :
Languages : en
Pages : 345
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Book Description
Author: Huan-Chin Hsu
Publisher:
ISBN:
Category : Polymerization
Languages : en
Pages : 202
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Book Description
Author: Jingxing Feng
Publisher:
ISBN:
Category : Polymers
Languages : en
Pages : 199
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Book Description
This work targeted to unveil the processing-structure-property relationships of four polymeric systems with diverse transport properties. The first and the second chapters concentrated on a through-pore membrane derived from polypropylene (PP) and polyamide 6 (Nylon 6) blends. The other three chapters discussed the adjustable gas barrier properties in regards to the morphologies of polymer blends and multilayer films. Among all the chapters, gas and liquid transport properties were proved as an effective identifier for the morphology. The change in transport phenomena was strongly correlated with the shift in the structure. In Chapter One and Chapter Two, porous membranes were produced from biaxial orientation of polymer blends comprising PP, Nylon 6, and polypropylene grafted maleic anhydride (PPgMA). During biaxial orientation, the continuous PP domains cavitated while the dispersed Nylon 6 domains remained rigid and spherical. The effect of blend composition on cavitation was analyzed and a ternary diagram generated to identify the composition range for through-pore formation. The membranes were found to have adjustable porosity up to 62% with nanoscale size pores. The membranes show very high filtration efficiency on separating 50 nm Latex microbeads from water suspensions. In Chapter Three, the compatibilization effect of linear low density polyethylene grafted maleic anhydride (LLDPEgMA) and high density polyethylene grafted maleic anhydride (HDPEgMA) on high density polyethylene (HDPE) /Nylon 6 blend system was investigated. HDPEgMA was identified as a better compatibilizer than LLDPEgMA for the HDPE/Nylon 6 blend system. In Chapter Four, multilayer films comprising polystyrene (PS)/polymethyl methacrylate (PMMA) and PS/polycaprolactone (PCL) alternating nanolayers with varied layer thickness were fabricated by multilayer coextrusion. The continuous layers started to break up into nanosheets and nanodroplets during the coextrusion process when the nominal layer thickness decreased to between 30 nm and 40 nm. Further decrease of the nominal layer thickness of PMMA and PCL resulted in less nanosheets and more nanodroplets. In Chapter Five, high oxygen barrier film/foams containing alternating ethylene-vinyl alcohol copolymer (EVOH) film layers and low-density polyethylene (LDPE) foam layers were innovated. The film/foams having low density and good oxygen barrier properties could be mechanically shaped into food packaging materials at room temperature.
Author: Pierre J. Carreau
Publisher: Carl Hanser Verlag GmbH Co KG
ISBN: 1569907234
Category : Technology & Engineering
Languages : en
Pages : 642
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Book Description
Rheology is applied extensively in polymer, chemical, food processing, and related industries. This book combines the basic concepts and applications by presenting a balanced overview of the principles. With simplified analysis of complex problems, the textbook format provides easy understanding for both students and practicing professionals. There is no competing book with such a wide scope, including unique topics such as diffusion, flows about particles, and liquid mixing. This second edition is abundantly updated throughout. Highlights include elongational flow measurements, POM-POM modeling, diffusion and rheology of polymer nanocomposites, new results based on CFD simulations, and much more.
Author: Hermann Janeschitz-Kriegl
Publisher: Springer Science & Business Media
ISBN: 3211876278
Category : Technology & Engineering
Languages : en
Pages : 228
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Book Description
Structure formation in crystallizing polymers, as occurring during processing, has not been treated so far in a coherent form. This fact explains, why this monograph is written as the ?rst book devoted to this subject. A quarter of a century ago the underdevelopment of this subject was obvious. Trial and error dominated. In fact, other apposite subjects as polymer melt rheology or heat transfer, had reached high levels. A great number of books has been devoted to them. Mold ?lling of amorphous polymers and the solidi?cation of these polymers by vitri?cation can nowadays be simulated numerically with a high degree of accuracy. In the solidi?ed sample even residual stresses and corresponding birefringence effects can accurately be 1 calculated . However, semicrystalline polymers, which form the majority of industrial po- mers, have been excluded from these considerations for good reasons. In fact, great uncertainties existed about the formation of quality determining crystalline str- tures. In particular, polyole?ns suffered from this shortcoming. In 1983 this fact instigated the polymer research group at the Johannes Kepler University in Linz to start with pertinent activities. The urgency of this kind of studies becomes evident, if advantages and hitches of these polymers are considered. 1. Versatility of processing: Injection molding into a great variety of shapes and sizes, from thin walled beakers to garden chairs, not to forget pipe and pro?le extrusion, cable coating, ?ber spinning, ?lm blowing. 2. Product qualities: Ductility, low density, good electric insulation, corrosion resistance, surface quality.
Author: R. Byron Bird
Publisher: John Wiley & Sons
ISBN: 0470115394
Category : Technology & Engineering
Languages : en
Pages : 935
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Book Description
Transport Phenomena has been revised to include deeper and more extensive coverage of heat transfer, enlarged discussion of dimensional analysis, a new chapter on flow of polymers, systematic discussions of convective momentum,and energy. Topics also include mass transport, momentum transport and energy transport, which are presented at three different scales: molecular, microscopic and macroscopic. If this is your first look at Transport Phenomena you'll quickly learn that its balanced introduction to the subject of transport phenomena is the foundation of its long-standing success.
Author: David C. Venerus
Publisher: Cambridge University Press
ISBN: 1107129206
Category : Science
Languages : en
Pages : 537
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Book Description
Integrating nonequilibrium thermodynamics and kinetic theory, this unique text presents a novel approach to the subject of transport phenomena.
Author: Andreea Irina Barzic
Publisher: CRC Press
ISBN: 149875564X
Category : Science
Languages : en
Pages : 384
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Book Description
Phase morphology in multicomponent polymer-based systems represents the main physical characteristic that allows for control of the material design and implicitly the development of new plastics. Emphasizing properties of these promising new materials in both solution and solid phase, this book describes the preparation, processing, properties, and practical implications of advanced multiphase systems from macro to nanoscales. It covers a wide range of systems including copolymers, polymer blends, polymer composites, gels, interpenetrating polymers, and layered polymer/metal structures, describing aspects of polymer science, engineering, and technology. The book analyzes experimental and theoretical aspects regarding the thermal and electrical transport phenomena and magnetic properties of crucial importance in advanced technologies. It reviews the most recent advances concerning morphological, rheological, interfacial, physical, fire-resistant, thermophysical, and biomedical properties of multiphase polymer systems. Concomitantly the book deals with basic investigation techniques that are sensitive in elucidating the features of each phase. It also discusses the latest research trends that offer new solutions for advanced bio- and nanotechnologies. Introduces an overview of recent studies in the area of multiphase polymer systems, their micro- and nanostructural evolutions in advanced technologies, and provides future outlooks, new challenges and opportunities. Discusses multicomponent structures that offer enhanced physical, mechanical, thermal, electrical, magnetic, and optical properties adapted to current requirements of modern technologies. Covers a wide range of materials, such as composites, blends, alloys, gels and interpenetrating polymer networks. Presents new strategies for controlling the micro- and nanomorphology and the mechanical properties of multiphase polymeric materials. Describes different applications of multiphase polymeric materials in various fields, including automotive, aeronautics and space industry, displays, and medicine.
