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Author: Ronald Koningsveld Publisher: Oxford University Press, USA ISBN: 9780198556343 Category : Science Languages : en Pages : 438
Book Description
Polymeric materials include plastics, gels, synthetic fibres, and rubbers. This text uses fundamental principles to classify phase separation phenomena in polymer systems, and describes simple molecular models explaining the observed behaviour.
Author: Ronald Koningsveld Publisher: Oxford University Press, USA ISBN: 9780198556343 Category : Science Languages : en Pages : 438
Book Description
Polymeric materials include plastics, gels, synthetic fibres, and rubbers. This text uses fundamental principles to classify phase separation phenomena in polymer systems, and describes simple molecular models explaining the observed behaviour.
Author: Ronald Koningsveld Publisher: Oxford University Press, USA ISBN: 9780198556350 Category : Science Languages : en Pages : 372
Book Description
Polymeric materials include plastics, gels, synthetic fibres, and rubbers. They are all-important both in industry and in daily life. Unlike liquid water, ice, or sugar solution, polymers are not homogeneous. They are said to consist of two or more phases, and their production and processing, as well as their properties and uses, depend on an understanding of the transitions that take place between these phases. This new textbook uses fundamental principles to classify phase separation phenomena in polymer systems, and describes simple molecular models explaining the observed behaviour.
Author: Ronald Koningsveld Publisher: ISBN: 9781383028577 Category : Phase diagrams Languages : en Pages : 0
Book Description
Polymeric materials include plastics, gels, synthetic fibres, and rubbers. This text uses fundamental principles to classify phase separation phenomena in polymer systems, and describes simple molecular models explaining the observed behaviour.
Author: Bruno Predel Publisher: Springer Science & Business Media ISBN: 366209276X Category : Science Languages : en Pages : 357
Book Description
This advanced comprehensive textbook introduces the practical application of phase diagrams to the thermodynamics of materials consisting of several phases. It describes the fundamental physics and thermodynamics as well as experimental methods, treating all material classes: metals, glasses, ceramics, polymers, organic materials, aqueous solutions. With many application examples and realistic cases from chemistry and materials science, it is intended for students and researchers in chemistry, metallurgy, mineralogy, and materials science as well as in engineering and physics. The authors treat the nucleation of phase transitions, the production and stability of technologically important metastable phases, and metallic glasses. Also concisely presented are the thermodynamics and composition of polymer systems. This innovative text puts this powerful analytical approach into a readily understandable and practical context, perhaps for the first time.
Author: Rushikesh A. Matkar Publisher: ISBN: Category : Crystallization Languages : en Pages : 217
Book Description
"A free energy functional has been formulated based on an order parameter approach to describe the competition between liquid-liquid phase separation and solid-liquid phase separation. In the free energy description, the assumption of complete solvent rejection from the crystalline phase that is inherent in the Flory diluent theory was removed as solvent has been found to reside in the crystalline phase in the form of intercalates. Using this approach, we have calculated various phase diagrams in binary blends of crystalline and amorphous polymers that show upper or lower critical solution temperature. Also, the discrepancy in the X values obtained from different experimental methods reported in the literature for the polymer blend of poly(vinylidenefluoride) and poly(methylmethacrylate) has been discussed in the context of the present model. Experimental phase diagram for the polymer blend of poly(caprolactone) and polystyrene has also been calculated. Of particular importance is that the crystalline phase concentration as a function of temperature has been calculated using free energy minimization methods instead of assuming it to be pure. In the limit of complete immiscibility of the solvent in the crystalline phase, the Flory diluent theory is recovered. The model is extended to binary crystalline blends and the formation of eutectric, peritectic and azeotrope phase diagrams has been explained on the basis of departure from ideal solid solution behavior. Experimental eutectic phase diagram from literature of a binary blend of crystalline polymer poly(caprolactone) and trioxane were recalculated using the aforementioned approach. Furthermore, simulations on the spatio temporal dynamics of crystallization in blends of crystalline and amorphous polymers were carried out using the Ginzburg-Landau approach. These simulations have provided insight into the distribution of the amorphous polymer in the blends during the crystallization process. The simulated results are in close accordance with the experimentally observed concentration profiles of atactic polypropyline during the crystallization of isotactic polypropylene in a blend of these polymers. Finally described are the unique thermodynamics and kinetics that occur in thermoplastic elastomer blends of polypropylene and synthetic rubber, leading to the unique biphasic crystalline morphology imparting these blends with their characteristic high toughness and high impact strength. Phase diagrams in such blends exhibit a combined upper and lower critical solution temperature. These phase diagrams have been calculated based on the present model developed, and simulated results explain the structural development in these blends."--Abstract.
Author: Sergey A. Vshivkov Publisher: Cambridge Scholars Publishing ISBN: 1527534561 Category : Science Languages : en Pages : 381
Book Description
Generalized extensive experimental and theoretical data regarding the phase transitions of polymer systems in mechanical and magnetic fields provide the possibility to predict the results of external field effects on the structure and mutual solubility of components. The data on dynamic structuring in deformed polymer blends and solutions allow for the use of found regularities by the processing of polymer systems. The methods offered in this book allow for the connection of shift of phase diagrams in the mechanical field with changes in macromolecule sizes. The tutorials described here will help the reader to correctly build the phase diagrams of polymer systems using a variety of methods.
Author: Kal Renganathan Sharma Publisher: CRC Press ISBN: 1439826404 Category : Science Languages : en Pages : 371
Book Description
Polymer Thermodynamics: Blends, Copolymers and Reversible Polymerization describes the thermodynamic basis for miscibility as well as the mathematical models used to predict the compositional window of miscibility and construct temperature versus volume-fraction phase diagrams. The book covers the binary interaction model, the solubility parameter
Author: Ingo Dierking Publisher: Royal Society of Chemistry ISBN: 1782629823 Category : Science Languages : en Pages : 386
Book Description
Describing all aspects of polymer-dispersed and polymer-stabilized liquid crystals, this book is a must-have resource for practitioners in the area.
Author: Zeman Publisher: Routledge ISBN: 1351431501 Category : Medical Languages : en Pages : 654
Book Description
Integrates knowledge on microfiltration and ultrification, membrane chemistry, and characterization methods with the engineering and economic aspects of device performance, device and module design, processes, and applications. The text provides a discussion of membrane fundamentals and an analytical framework for designing and developing new filtrations systems for a broad range of technologically important functions. It offers information on membrane liquid precursors, fractal and stochastic pore space analysis, novel and advanced module designs, and original process design calculations.
Author: D. R. F. West Publisher: CRC Press ISBN: 1000122468 Category : Bibles Languages : en Pages : 236
Book Description
This book provides an introductory treatment of ternary equilibrium diagrams. It presents case studies in the field of metallurgy and material science. It is useful for undergraduates and postgraduates and scientists, who wish to acquire an understanding of ternary phase diagrams.
Author: Ronald Koningsveld
Author: Ronald Koningsveld
Author: Ronald Koningsveld
Author: Ronald Koningsveld
Author: Bruno Predel
Author: Rushikesh A. Matkar
Author: Sergey A. Vshivkov
Author: Kal Renganathan Sharma
Author: Ingo Dierking
Author: Zeman
Author: D. R. F. West