M.R. Tant – författare
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2 produkter
2 produkter
4 031 kr
Skickas inom 10-15 vardagar
The rise in the production and use of polymers as everyday materials has, for the most part, been due to advances in polymer synthesis allowing the manufacture of a range of materials suitable for many different applications. The current and potential applications of ion-containing polymers, or ionomers, are many and varied. One of the most well-established of these is the use of perfluorinated ionomers as membranes in chlor-alkali cells. Ionic interactions may also be used to modify the propeties of thermoplastics, as in the case of the well-known Surlyn materials which are widely used in packaging applications. Other current applications of ionomers include their use as thermoplastic elastomers, blend compatibilizers and fluid additives such as dispersants. For every existing application, there are a great many potential applications that have yet to be exploited, and with the expansion in ionomer research and applications, there is a need for an account of the field. This book, written by a team of industrial and academic researchers, directed at polymer scientists and chemical engineers, aims to fulfill this need.
4 022 kr
Skickas inom 10-15 vardagar
Polymers have achieved an enviable position as the class of materials having the highest volume of production, exceeding that of both metals and ceramics. The meteoric rise in the production and utilization of polymers has been due to advances in polymer synthesis which allow the creation of specific and well-defined molecular structures, to new knowledge concerning the relationships between polymer structure and properties, and to an improved understanding of how processing can be used as a tool to develop morphological features which result in desired properties. Polymers have truly become 'engineered materials' in every sense of the term. Polymer scientists and engineers are forever seeking to modify and improve the properties of synthetic polymeric systems for use in specific applications. Towards this end they have often looked to nature for advice on how to design molecules for specific needs. An excellent illustration of this is the use of noncovalent bonding (ionic, hydrogen, and van der Waals) in lipids, proteins, and nucleic acids, where these noncovalent bonds, acting both intra and intermolecularly, precisely control the structure and thus the function of the entire system. The utilization of ionic bonding, in particular in man-made polymers has attracted widespread interest in recent years, since ionic interactions exert a similar strong influence on the structure and properties of these synthetic systems.