Specific Interactions In Polyurethane Cationomers

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Specific Interactions in Polyurethane Cationomers

Author : Richard Joseph Goddard
Publisher :
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.:/5 (89 download)

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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.

Dissertation Abstracts International

Author :
Publisher :
ISBN 13 :
Total Pages : 984 pages
Book Rating : 4.F/5 ( download)

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Download or read book Dissertation Abstracts International written by and published by . This book was released on 1995 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Linear Polyurethanes

Author : Piotr Król
Publisher : CRC Press
ISBN 13 : 9004161244
Total Pages : 277 pages
Book Rating : 4.0/5 (41 download)

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Book Synopsis Linear Polyurethanes by : Piotr Król

Download or read book Linear Polyurethanes written by Piotr Król and published by CRC Press. This book was released on 2008-03-27 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume describes in detail the mechanisms of the diisocyanates and polyols polyaddition process as well as its kinetic and process aspects important for obtaining linear polyurethanes. General kinetics of the process and its experimental verification, using GPC chromatography as well as NMR spectroscopy and MALDI-ToF spectrometry, are presented. Accompanied by over 400 references, the author presents synthesis methods, physicochemical properties of linear polyurethanes (analyzed with DCS, TG, DMTA, Rtg, AFM microscopy methods) as semiproducts for foams, elastomers, lacquers and coatings. Research results concerning free surface energy of the polyurethane coatings are also presented. Special attention is given to the latest polyurethane applications, such as ecological waterborne dispersions, biodegradation resistant elastomers and coatings used as medical implants and binders for ceramic powder materials. Moreover, the book contains information on urethane-isocyanate prepolymers applications, which are potential semifinished products for elastomers, foams, coatings, adhesives and interpenetrating polymer network composites.

Macromolecules

Author : K. S. V. Srinivasan
Publisher : Allied Publishers
ISBN 13 : 9788170237600
Total Pages : 658 pages
Book Rating : 4.2/5 (376 download)

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Book Synopsis Macromolecules by : K. S. V. Srinivasan

Download or read book Macromolecules written by K. S. V. Srinivasan and published by Allied Publishers. This book was released on 1998 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Polyurethanes in Biomedical Applications

Author : NinaM.K. Lamba
Publisher : Routledge
ISBN 13 : 1351423371
Total Pages : 298 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Polyurethanes in Biomedical Applications by : NinaM.K. Lamba

Download or read book Polyurethanes in Biomedical Applications written by NinaM.K. Lamba and published by Routledge. This book was released on 2017-10-19 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polyurethanes in Biomedical Applications studies the use of polyurethanes in implanted medical devices. This analysis describes the concepts of polymer science, the manufacture of polyurethanes, and the biological responses to implant polyurethanes, reflecting the developments in biomaterials science and the interdisciplinary nature of bioengineering.

American Doctoral Dissertations

Author :
Publisher :
ISBN 13 :
Total Pages : 800 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis American Doctoral Dissertations by :

Download or read book American Doctoral Dissertations written by and published by . This book was released on 1994 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Chemical Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 2710 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2710 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applied Macromolecular Chemistry and Physics

Author :
Publisher :
ISBN 13 :
Total Pages : 620 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Applied Macromolecular Chemistry and Physics by :

Download or read book Applied Macromolecular Chemistry and Physics written by and published by . This book was released on 1998 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings

Author :
Publisher :
ISBN 13 :
Total Pages : 838 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Proceedings by :

Download or read book Proceedings written by and published by . This book was released on 1999 with total page 838 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Polymer Science

Author :
Publisher :
ISBN 13 :
Total Pages : 386 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Polymer Science by :

Download or read book Polymer Science written by and published by . This book was released on 2002 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ionomers

Author : M.R. Tant
Publisher : Springer Science & Business Media
ISBN 13 : 940091461X
Total Pages : 524 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Ionomers by : M.R. Tant

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.

Adaptive And Functional Polymers, Textiles And Their Applications

Author : Jinlian Hu
Publisher : World Scientific
ISBN 13 : 1908978198
Total Pages : 416 pages
Book Rating : 4.9/5 (89 download)

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Book Synopsis Adaptive And Functional Polymers, Textiles And Their Applications by : Jinlian Hu

Download or read book Adaptive And Functional Polymers, Textiles And Their Applications written by Jinlian Hu and published by World Scientific. This book was released on 2011-02-10 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adaptive polymers include those which are responsive to different stimuli — namely physical, mechanical, chemical and biological — with controlled and/or predicable behavior. Many technological breakthroughs and scientific advances have been made in the last few decades and this volume aims to cover the most up-to-date studies and achievements in some adaptive polymers, in terms of principles of adaptiveness, properties, structure design and characterization with an emphasis on their applications, particularly in textiles, skin care, medicine and other related areas. Some versatile functional polymers, such as Chitosan, cylodextrin and dendrimer,and hyper-branched polymers are also introduced in order to provide a source for people in different professions when searching for knowledge and inspiration in the field of adaptive and functional polymers. One of the key features of this book is the fact that it is multi-disciplinary in nature, and so accessible to a wide variety of readers.

TECHNEAU

Author : Christian Kazner
Publisher : IWA Publishing
ISBN 13 : 1843392755
Total Pages : 481 pages
Book Rating : 4.8/5 (433 download)

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Book Synopsis TECHNEAU by : Christian Kazner

Download or read book TECHNEAU written by Christian Kazner and published by IWA Publishing. This book was released on 2009-06-14 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: The best papers from the three-day conference on Safe Drinking Water from Source to Tap June 2009 in Maastricht are published in this book covering the themes of challenges of the water sector and adaptive strategies, treatment, distribution, risk assessment and risk management, sensors and monitoring, small scale systems, simulation, alternative water supply & sources, consumer involvement, and future drinking water. Worldwide, the water supply sector is facing tremendous challenges. Every new emerging contaminants and pathogens and aging infrastructures that are vulnerable for deliberate contamination pose a threat to the quality of water supplies. Shortage of good quality and readily treatable resources is increasing due to global warming, urbanisation and pollution from agriculture and industry. Regulators and consumers are becoming more demanding. Techneau - the largest European project on drinking water - addresses these challenges by developing adaptive supply system options and new and improved treatment and monitoring technologies. Future system options to be studied are flexible, small scale and multi-source supplies, utilising non conventional resources like brackish ground water, treated wastewater and urban groundwater.

Handbook of Thermosetting Foams, Aerogels, and Hydrogels

Author : Prasanth Raghavan
Publisher : Elsevier
ISBN 13 : 0323994539
Total Pages : 686 pages
Book Rating : 4.3/5 (239 download)

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Book Synopsis Handbook of Thermosetting Foams, Aerogels, and Hydrogels by : Prasanth Raghavan

Download or read book Handbook of Thermosetting Foams, Aerogels, and Hydrogels written by Prasanth Raghavan and published by Elsevier. This book was released on 2024-06-05 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Thermosetting Foams, Aerogels, and Hydrogels: From Fundamentals to Advanced Applications presents the latest on the preparation, characterization, properties and applications of thermoset foams, aerogels and hydrogels. The book begins by introducing each of these concepts and their characteristics, current applications, potential for further development, and environmental impacts. This is followed by three sections, each focusing on foams, aerogels and hydrogels developed from a specific thermosetting polymer category, covering polyurethane, epoxy resins and formaldehyde. In each section, detailed coverage includes preparation, structure, characterization, properties, processing and applications based on material, along with key challenges in design, processing, implementation and solutions.This is a valuable resource for researchers and advanced students with an interest in thermoset lightweight materials across the disciplines of polymer science, chemistry, nanotechnology, materials science and engineering. The book will also be of interest to R&D professionals, engineers and scientists working with foams, hydrogels and aerogels for a range of applications and industries. - Provides methodical coverage of polyurethane, epoxy, and formaldehyde-based foams, aerogels, and hydrogels - Explores a range of high-value applications across automotive and aerospace, defense, biomedicine, and other areas - Considers challenges in design, processing, and implementation, and environmental aspects such as biodegradability and recyclability

Linear Polyurethanes

Author : Piotr Krol
Publisher : CRC Press
ISBN 13 : 9004188169
Total Pages : 272 pages
Book Rating : 4.0/5 (41 download)

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Book Synopsis Linear Polyurethanes by : Piotr Krol

Download or read book Linear Polyurethanes written by Piotr Krol and published by CRC Press. This book was released on 2008-03-27 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume describes in detail the mechanisms of the diisocyanates and polyols polyaddition process as well as its kinetic and process aspects important for obtaining linear polyurethanes. General kinetics of the process and its experimental verification, using GPC chromatography as well as NMR spectroscopy and MALDI-ToF spectrometry, are presente

Biomedical Applications of Polymeric Nanofibers

Author : Rangasamy Jayakumar
Publisher : Springer Science & Business Media
ISBN 13 : 3642271472
Total Pages : 299 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Biomedical Applications of Polymeric Nanofibers by : Rangasamy Jayakumar

Download or read book Biomedical Applications of Polymeric Nanofibers written by Rangasamy Jayakumar and published by Springer Science & Business Media. This book was released on 2012-01-13 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multiscale Fibrous Scaffolds in Regenerative Medicine, by Sowmya Srinivasan, R. Jayakumar, K. P. Chennazhi, Erica J. Levorson, Antonios G. Mikos and Shantikumar V. Nair; Stem Cells and Nanostructures for Advanced Tissue Regeneration, by Molamma P. Prabhakaran, J. Venugopal, Laleh Ghasemi-Mobarakeh, Dan Kai Guorui Jin and Seeram Ramakrishna; Creating Electrospun Nanofiber-Based Biomimetic Scaffolds for Bone Regeneration, by Eleni Katsanevakis, Xuejun Wen and Ning Zhang; Synthetic/Biopolymer Nanofibrous Composites as Dynamic Tissue Engineering Scaffolds, by J. A. Kluge and R. L. Mauck; Electrospun Fibers as Substrates for Peripheral Nerve Regeneration, by Jörg Mey, Gary Brook, Dorothée Hodde and Andreas Kriebel; Highly Aligned Polymer Nanofiber Structures: Fabrication and Applications in Tissue Engineering, by Vince Beachley, Eleni Katsanevakis, Ning Zhang, Xuejun Wen; Electrospinning of Biocompatible Polymers and Their Potentials in Biomedical Applications, by Pitt Supaphol, Orawan Suwantong, Pakakrong Sangsanoh, Sowmya Srinivasan, Rangasamy Jayakumar and Shantikumar V. Nair; Electrospun Nanofibrous Scaffolds-Current Status and Prospects in Drug Delivery, by M. Prabaharan, R. Jayakumar and S. V. Nair.; Biomedical Applications of Polymer/Silver Composite Nanofibers, by R. Jayakumar, M. Prabaharan, K. T. Shalumon, K. P. Chennazhi and S. V. Nair.-

Nanomaterials for Water Management

Author : Robert S. Marks
Publisher : CRC Press
ISBN 13 : 9814463485
Total Pages : 234 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Nanomaterials for Water Management by : Robert S. Marks

Download or read book Nanomaterials for Water Management written by Robert S. Marks and published by CRC Press. This book was released on 2015-08-03 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interest in finding reliable and highly sensitive sensors for water quality control has grown recently empowered by the explosion of cutting-edge technologies such as nanotechnologies, optoelectronics, and computing on one hand and by the increasing need for more secure control of water quality on the other hand. This book highlights a number o