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Elastic Behavior of Polymer Melts

2019-07-08 Technology & Engineering
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Release : 2019-07-08
Genre : Technology & Engineering
Kind : eBook
Book Rating : 552/5 ( reviews)

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Book Synopsis Elastic Behavior of Polymer Melts by : Helmut Münstedt

Download or read book Elastic Behavior of Polymer Melts written by Helmut Münstedt. This book was released on 2019-07-08. Available in PDF, EPUB and Kindle. Book excerpt: Understanding the elastic properties of polymer melts is necessary for ensuring successful polymer processing and thus producing high-quality plastic parts. This unique book is the first to focus on this important topic. Starting with the molecular origin of elastic behavior and an explanation of the physical quantities involved, experimental methods and the dependence of elastic behavior on experimental parameters are then presented. Elastic properties of filled and unfilled systems are compared directly, and polymer blends are also considered. Elastic effects in various applications are included, such as in extrudate swell, internal stresses, and shrink films, to illustrate the importance of this field in the plastics processing industry.

Rheology and Processing of Polymeric Materials

2007-05-16 Technology & Engineering
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Release : 2007-05-16
Genre : Technology & Engineering
Kind : eBook
Book Rating : 983/5 ( reviews)

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Book Synopsis Rheology and Processing of Polymeric Materials by : Chang Dae Han

Download or read book Rheology and Processing of Polymeric Materials written by Chang Dae Han. This book was released on 2007-05-16. Available in PDF, EPUB and Kindle. Book excerpt: Volume 1 presents first fundamental principles of the rheology of polymeric fluid including kinematics and stresses of a deformable body, the continuum theory for the viscoelasticity of flexible homogeneous polymeric liquids, the molecular theory for the viscoelasticity of flexible homogeneous polymeric liquids, and the experimental methods for the measurement of the rheological properties of poylmeric liquids. The materials presented are intended to set a stage for the subsequent chapters by introducing the basic concepts and principles of rheology, from both phenomenological and molecular perspectives, ofstructurally simple flexible and homogeneous polymeric liquids. Next, this volume presents the rheological behavior of structurally complex polymeric materials including miscible polymer blends, block copolymers, liquid-crystalline polymers, thermoplastic polyurethanes, immiscible polymer blends, perticulare-filled polymers, organoclay nanocomposites, molten polymers with dissolved gas, and thermosts.

Polymer Rheology

2012-12-06 Science
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Release : 2012-12-06
Genre : Science
Kind : eBook
Book Rating : 66X/5 ( reviews)

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Book Synopsis Polymer Rheology by : R.S. Lenk

Download or read book Polymer Rheology written by R.S. Lenk. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: Everything flows, so rheology is a universal science. Even if we set aside claims of such width, there can be no doubt of its importance in polymers. It joins with chemistry in the polymerisation step but polymer engineering is supreme in all the succeeding steps. This is the area concerned with the fabrication of the polymer into articles or components, with their design to meet the needs in service, and with the long and short term performance of the article or component. This is a typical area of professional engineering activity, but one as yet without its proper complement of professional engineers. An understanding of polymer rheology is the key to effective design and material plus process selection, to efficient fabrication, and to satisfactory service, yet few engineers make adequate use of what is known and understood in polymer rheology. Its importance in the flow processes of fabrication is obvious. Less obvious, but equally important, are the rheological phenomena which determine the in-service performance. There is a gap between the polymer rheologist and the polymer engineer which is damaging to both parties and which contributes to a less than satisfactory use of polymers in our society. It is important that this gap be filled and this book makes an attempt to do so. It presents an outline of what is known in a concise and logical fashion. It does this starting from first principles and with the minimum use of complex mathematics.

Rheology and Processing of Polymeric Materials

2007-06-04 Science
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Release : 2007-06-04
Genre : Science
Kind : eBook
Book Rating : 830/5 ( reviews)

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Book Synopsis Rheology and Processing of Polymeric Materials by : Chang Dae Han

Download or read book Rheology and Processing of Polymeric Materials written by Chang Dae Han. This book was released on 2007-06-04. Available in PDF, EPUB and Kindle. Book excerpt: Volume 2 presents the fundamental principles related to polymer processign operations including the processing of thermoplastic polymers and thermosets. The objective of this volume is not to provide recipies that necessarily guarantee better product quality. Rather, emphasis is placed on presenting a fundamental approach to effectively analyze processing operations. The specific polymer processing operations for thermoplastics include plasticating single-screw extrusion, morphology evolution during compounding of polymer blends, compatibilization of immiscible polymer blends, wire coating extrusion, fiber spinning, tubular film blowing, coextrusion, and thermoplastic foam extrusion. The specific polymer processing operations for thermosets include reaction injection molding, pultrusion of fiber-reinforced thermosets, and compression molding of thermoset composites.

Thermoplastic Melt Rheology and Processing

1996-08-23 Science
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Release : 1996-08-23
Genre : Science
Kind : eBook
Book Rating : 539/5 ( reviews)

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Book Synopsis Thermoplastic Melt Rheology and Processing by : Aroon Shenoy

Download or read book Thermoplastic Melt Rheology and Processing written by Aroon Shenoy. This book was released on 1996-08-23. Available in PDF, EPUB and Kindle. Book excerpt: Presents rheological data on a number of polymers, making use of the master curve approach to determine unified curves for each generic type of polymer. The text offers a step-by-step procedure for developing a speadsheet computer program to obtain accurate thermoplastic rheograms at any tempertature without using sophisticated rheometres. It inclu

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