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Recent advances in polymer science have made it possible to relate quantitatively molecular structure to rheological behavior. At the same time, new methods of synthesis and characterization allow the preparation and structural verification of samples having a range of branched polymeric structures. This book unites this knowledge to enable production of polymers with prescribed processability and end-product properties.Methods of polymer synthesis and characterization are described, starting from fundamentals. The foundations of linear viscoelasticity are introduced, and then the linear behavior of entangled polymers is described in detail. This is followed by a discussion of the molecular modeling of linear behavior. Tube models for both linear and branched polymers are presented. The final two chapters deal with nonlinear rheological behavior and tube models to describe nonlinearity.In this second edition, each chapter has been significantly rewritten to account for recent advances in experimental methods and theoretical modeling. It includes new and updated material on developments in polymer synthesis and characterization, computational algorithms for linear and nonlinear rheology prediction, measurement of nonlinear viscoelasticity, entanglement detection algorithms in molecular dynamics, nonlinear constitutive equations, and instabilities.Contents:- Structure of Polymers- Polymerization Reactions and Processes- Linear Viscoelasticity - Fundamentals- Linear Viscoelasticity - Behavior of Molten Polymers- Tube Models for Linear Polymers - Fundamentals- Tube Models for Linear Polymers - Advanced Topics- Determination of Molecular Weight Distribution Using Rheology- Tube Models for Branched Polymers- Nonlinear Viscoelasticity- Tube Models for Nonlinear Viscoelasticity of Linear and Branched Polymers

Structure and Rheology of Molten Polymers: From Structure to Flow Behavior and Back Again. Besteht aus: 1 Buch, 1 E-Book