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Solution Behavior Of Quaternary Ammonium Ionomers
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Book Synopsis SOLUTION BEHAVIOR OF QUATERNARY AMMONIUM IONOMERS by : Dr. P. Pazhanisamy
Download or read book SOLUTION BEHAVIOR OF QUATERNARY AMMONIUM IONOMERS written by Dr. P. Pazhanisamy and published by Laxmi Book Publication. This book was released on 2023-09-30 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ion-containing polymers are perhaps the most versatile and application oriented polymeric materials that have developed in the recent past. They have proven utility in solving solid/liquid separation problems related to water pollution and are used extensively in paper manufacturing, textile finishes, oil production, plastics, coatings, biomedical applications, etc1-6. Cationic quaternary polyelectrolytes have manifold applications. They are used as primary coagulants, flocculants, oil conditioners, hair sprays, shampoo additives, grease thickness, biocides, emulsifiers, strengthening agents for fabric and paper, sensitizer for photographic film, printing inks, etc7-10.In general ion-containing polymers are referred to as “polyelectrolytes” when they have sufficient ionic charge (cationic or anionic) to be soluble11 for as “ionomers” when the concentration of ionic group is low12. Now the term ionomer is used to denote polymers with higher ionic group are classified as polyelectrolytes13.
Download or read book Ionomers written by M.R. Tant and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Specific Interactions in Polyurethane Cationomers by : Richard Joseph Goddard
Download or read book Specific Interactions in Polyurethane Cationomers written by Richard Joseph Goddard and published by . This book was released on 1994 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies have shown that addition of cationic groups to a segmented polyurethane can dramatically change physical attributes such as solution behavior, mechanical strength, and viscoelastic properties. However, the specific interactions responsible for these changes are not well understood. A series of polyether polyurethane cationomers were synthesized using chain extenders with pendant trialkylammonium groups. The morphology and properties of the cationomers were studied as a function of ion-related variables using small-angle X-ray scattering (SAXS), tensile testing, dynamic mechanical thermal analysis (DMTA), and differential scanning calorimetry (DSC). Ion content affected phase separation and mechanical properties the most; the alkyl group length was of secondary importance; and the type of neutralizing anion had essentially no effect. Further, a lamellar microstructure typical of conventional polyurethanes was evident, with no apparent aggregation of ionic groups.
Book Synopsis Investigation of the Association Behavior of Ionomer Solutions by : Eleni Karayianni
Download or read book Investigation of the Association Behavior of Ionomer Solutions written by Eleni Karayianni and published by . This book was released on 1995 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structure and Properties of Ionomers by : Michel Pineri
Download or read book Structure and Properties of Ionomers written by Michel Pineri and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 579 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ionomers, that is polymers containing a low concentration of charged units along the chain, have been the subject of increasing interest during the past twenty years. The presence of ionic groups in the poly mer changes some of its properties dramatically. Increases in the modu lus and the viscosity of several orders of magnitude have been observed, and changes in the glass transition of hundreds of degrees are possible. In addition, diffusion coefficients can be modified drastically. These changes are due primarily to the presence of reversible ionic cross links in these materials. Because of the low dielectric constant of most organic polymers, the ions or ionic dipoles tend to aggregate ; this aggregation process, however, is limited, because the ionic groups are covalently bonded to the organic chain. Host of the fundamental research done on these materials has been devoted to a determination of the extent of association, the structure of the aggregates, the limi ting factors, and the correlations between molecular and supermolecular structure and the resul ting properties.
Download or read book Ionomers written by Shulamith Schlick and published by CRC Press. This book was released on 1996-01-15 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: The molecular structure and composition of ionomers lead to a complex superposition of properties of organic chains and of polyelectrolytes. The potential use of this class of polymers in applications such as surfactants, ion selective membranes in electrochemical processes, coatings, fuel cells and batteries has sparked a vast amount of research.
Book Synopsis Electrochemical Polymer Electrolyte Membranes by : Jianhua Fang
Download or read book Electrochemical Polymer Electrolyte Membranes written by Jianhua Fang and published by CRC Press. This book was released on 2015-04-17 with total page 639 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrochemical Polymer Electrolyte Membranes covers PEMs from fundamentals to applications, describing their structure, properties, characterization, synthesis, and use in electrochemical energy storage and solar energy conversion technologies. Featuring chapters authored by leading experts from academia and industry, this authoritative text: Disc
Book Synopsis Comprehensive Polymer Science by : Geoffrey Allen
Download or read book Comprehensive Polymer Science written by Geoffrey Allen and published by Pergamon. This book was released on 1989 with total page 824 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 2.
Book Synopsis Proceedings of the International Conference on Colloid and Surface Science by : Y. Iwasawa
Download or read book Proceedings of the International Conference on Colloid and Surface Science written by Y. Iwasawa and published by Elsevier. This book was released on 2001-02-15 with total page 1129 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this Conference was to discuss the results of recent developments and the future prospect in science and technology of the field. The field has been growing and flourishing, while indicating many problems to be uncovered and solved. The conference was structured to encourage interaction and to stimulate the exchange of ideas to accomplish the above purpose. Key issues and materials related to the Conference were included as follows: • Molecular Assemblies in Solutions; • Fine Particles and Colloidal Dispersions; • Supramolecular Organized Films; • Nanostructural Solid Surfaces; • Industrial Applications and Products. The Conference comprised 2 plenary lectures, 42 invited lectures, 150 oral presentations and 266 poster presentations.
Download or read book Polymer Preprints, Japan written by and published by . This book was released on 1992 with total page 1184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nanobiomaterials in Dentistry by : Alexandru Grumezescu
Download or read book Nanobiomaterials in Dentistry written by Alexandru Grumezescu and published by William Andrew. This book was released on 2016-06-04 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanobiomaterials in Dentistry: Applications of Nanobiomaterials discusses synthesis methods and novel technologies involving nanostructured bio-active materials with applications in dentistry. This book provides current research results for those working in an applied setting. The advantage of having all this information in one coherent text will be the focused nature of the chapters and the ease of which this information can be accessed. This collection of titles brings together many of the novel applications these materials have in biology and discusses the advantages and disadvantages of each application and the perspectives of the technologies based on these findings. At the moment there is no other comparable book series covering all the subjects approached in this set of titles. Offers an updated and highly structured reference material for students, researchers, and practitioners working in biomedical, biotechnological, and engineering fields Serves as a valuable resource of recent scientific progress, along with most known applications of nanomaterials in the biomedical field Features novel opportunities and ideas for developing or improving technologies in nanomedicine and dentistry
Book Synopsis Advances in Urethane Ionomers by : Kurt C. Frisch
Download or read book Advances in Urethane Ionomers written by Kurt C. Frisch and published by CRC Press. This book was released on 1995-07-11 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis SPSJ ... Annual Meeting by : Kōbunshi Gakkai (Japan)
Download or read book SPSJ ... Annual Meeting written by Kōbunshi Gakkai (Japan) and published by . This book was released on 1992 with total page 1192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Drexel Polymer Notes written by and published by . This book was released on 1990 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Engineered Materials Abstracts written by and published by . This book was released on 1993-04 with total page 850 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Engineering Index Annual written by and published by . This book was released on 1992 with total page 2264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since its creation in 1884, Engineering Index has covered virtually every major engineering innovation from around the world. It serves as the historical record of virtually every major engineering innovation of the 20th century. Recent content is a vital resource for current awareness, new production information, technological forecasting and competitive intelligence. The world?s most comprehensive interdisciplinary engineering database, Engineering Index contains over 10.7 million records. Each year, over 500,000 new abstracts are added from over 5,000 scholarly journals, trade magazines, and conference proceedings. Coverage spans over 175 engineering disciplines from over 80 countries. Updated weekly.
Book Synopsis Bulletin of the Chemical Society of Japan by : Nihon Kagakkai
Download or read book Bulletin of the Chemical Society of Japan written by Nihon Kagakkai and published by . This book was released on 2001 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt:
