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This volume deals with chemistry of polyelectrolytes, namely biocide guanidine containing polymers, discussing both synthesis of new guanidine containing monomers of diallyl and acrylic nature and their structure and investigation of their radical (co)polymerization and properties of new (co)polymers. The first parts of the book describe radical polymerization of these monomers and their co-polymerization with diallyldialkylammonium derivatives, features of their kinetic behavior in these processes (for example, polymerization rates, reactivity ratios) The sections on phycal chemical methods (IR, NMR, DSC ect.) are especially important for studying of structure and properties of synthesized monomer and polymer compounds. The book is finely illustrated with about hundred original figures, schemes and tables including kinetics, NMR, IR spectroscopy, biocide and other data.
This volume includes the following analyses: factors regarding thermal and thermooxidative degradation of polyolefine nanocomposites, modelling of catalytic complexes in the oxidation reactions, modelling the kinetics of moisture adsorption by natural and synthetic polymers, new trends, achievements and developments on the effects of beam radiation, structural behaviour of composite materials, comparative evaluation of antioxidant properties, synthesis, properties and application of polymeric composites and nanocomposites, photodegradation and light stabilisation of polymers, wear resistant composite polymeric materials, some macrokinetic phenomena, transport phenomena in polymer matrixes, liquid crystals, flammability of polymeric materials and new flame retardants.
This is the only book available in English language to consider inverse and optimization problems in which phase field distributions are used as optimizing functions. The mathematical technique used relates to nonlinear integral equations, with numerical methods developed and applied to concrete problems. Written by a team of outstanding and renowned experts in the field, this monograph will appeal to all those dealing with the investigation, design, and optimization of electromagnetic and acoustic radiating and transmitting devices and systems, while also being of interest to mathematicians working on the theory of nonlinear integral equations.
Contains articles based on lectures given at the International Conference on Pseudo-differential Operators and Related Topics at Vaxjo University in Sweden from June 22 to June 25, 2005. Sixteen refereed articles cover a spectrum of topics such as partial differential equations, Wigner transforms, mathematical physics, and more.
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The book presents a new method for solving various diffraction and scattering problems in acoustics, electrodynamics, and quantum mechanics. Each version of the method is based on the representation of the diffracted field in the form of a series in the eigenfunctions of an auxiliary homogeneous problem in which the spectral parameter is usually not the frequency. This allows one to treat problems not only in bounded but also in unbounded domains or in the entire space. For example, for the problem of diffraction on a metallic body, the homogeneous problem of the same form can be used with impedance as the spectral parameter. The transparency coefficient, the dielectric constant, etc. can also be used as the spectral parameter. The method is especially effective for the analysis of resonance systems, in particular, of open resonators and waveguides. The method permits one to represent the exact solution in unbounded domains in the form of a series (since the spectrum is discrete), without an additional integral with respect to the spectral parameter, and use the variational approach though the corresponding problems are usually nonself-adjoint.