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Absorbent Polymer Technology

Author : L. Brannon-Peppas
ISBN : 9780444597298
Genre : Technology & Engineering
File Size : 28.96 MB
Format : PDF
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In recent years, there has been a veritable explosion of research and development in consumer-oriented fields that utilize polymeric materials which absorb large amounts of water. These fields encompass the preparation, characterization and commercialization of separation systems, pharmaceutical and personal care products such as infant diapers, feminine products, incontinence products and many other related areas. The polymeric materials utilized in these applications are known as absorbent or superabsorbent materials because of their ability to swell rapidly and to retain large volumes of water, urine and other biological fluids. The aim of this book is to introduce the fundamentals of polymer structure and swelling as related to polymers used for these superabsorbent materials. In the field of absorbence, particular attention is given to crosslinked structures which swell to more than fifty times their initial weight in water or electrolytic solutions. The book also provides descriptions of novel applications of superabsorbent materials as well as a detailed analysis of water transport in crosslinked polymers. Absorbent Polymer Technology should be of interest to chemists, polymer scientists, chemical engineers, and industrial scientists working with swellable polymeric systems in personal care, pharmaceutical, agricultural waste treatment and separation industries.
Category: Technology & Engineering

Superabsorbent Polymers

Author : Fredric L. Buchholz
ISBN : UOM:39015026912405
Genre : Technology & Engineering
File Size : 33.69 MB
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Discusses the fundamental aspects of structure-property relationships in superabsorbent polymers, including network modeling and compressibility of ionic gels. Describes methods of preparation and specification of superabsorbents. Presents novel methods of preparation resulting in absorbent polymers with advanced properties. Examines emerging applications of superabsorbent polymers in the construction, agriculture, food, leisure, and communications industries.
Category: Technology & Engineering

Modern Superabsorbent Polymer Technology

Author : Fredric L. Buchholz
ISBN : UOM:39015040557954
Genre : Science
File Size : 81.2 MB
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A thorough, up-to-date examination of the science and practical application of superabsorbent polymers. Modern Superabsorbent Polymer Technology takes a comprehensive look at the structure, properties, and uses of superabsorbent polymers. Prepared by editors with over 20 years of experience in the field, it offers a unified approach to polymer science technologies and examines the key interrelationships between structure, properties, behavior, and applications. This book draws on the best and most relevant scientific papers from academia and industry, as well as numerous patents and patent applications. The result is a compact, centralized source of information on superabsorbent polymers that no polymer or chemical engineer will want to be without. Discusses synthetic chemistry and the effects of synthesis on the structure of superabsorbent polymers * Describes and compares industrial practices of the major manufacturers of superabsorbent polymers * Features analytical methods for evaluation of the properties and behavior of superabsorbent polymers * Explores structural and property relationships of crosslinked super-absorbent polymers * Surveys new superabsorbent polymer forms and types-including fibers, foams, and biodegradable superabsorbents * Covers current and emerging applications in personal care products, horticulture, construction, and other areas.
Category: Science

Solvent Crazing Of Polymers

Author : A.L. Volynskii
ISBN : 9780444596567
Genre : Science
File Size : 47.80 MB
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The problems related to crazing in polymers are of special interest to polymer scientists since only polymers display this universal phenomenon and no analogues are available for low-molecular-mass compounds. The important problems of solvent crazing and the development of a universal description of polymer structure and properties have received much attention from many leading scientists. Nevertheless, some aspects of polymer crazing are still unclear, and scientific activities in this area are in progress. This work provides an up-to-date account of scientific advances in the area of solvent crazing. The principal features and stages of solvent crazing (craze nucleation, craze tip advance, craze thickening, and craze collapse at high strains) are described. Additionally, the authors present information concerning the activities of Russian scientists in this area, which might have escaped the attention of their colleagues because of the language barrier.
Category: Science

Application Of Super Absorbent Polymers Sap In Concrete Construction

Author : Viktor Mechtcherine
ISBN : 9789400727335
Genre : Technology & Engineering
File Size : 68.41 MB
Format : PDF, Docs
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This is the state-of-the-art report prepared by the RILEM TC “Application of Super Absorbent Polymers (SAP) in concrete construction”. It gives a comprehensive overview of the properties of SAP, specific water absorption and desorption behaviour of SAP in fresh and hardening concrete, effects of the SAP addition on rheological properties of fresh concrete, changes of cement paste microstructure and mechanical properties of concrete. Furthermore, the key advantages of using SAP are described in detail: the ability of this material to act as an internal curing agent to mitigate autogenous shrinkage of high-performance concrete, the possibility to use SAP as an alternative to air-entrainment agents in order to increase the frost resistance of concrete, and finally, the benefit of steering the rheology of fresh cement-based materials. The final chapter describes the first existing and numerous prospective applications for this new concrete additive.
Category: Technology & Engineering

Proceedings Of 4th Edition Of International Conference On Polymer Science And Technology 2018

Author : EuroScicon
Genre : Science
File Size : 69.15 MB
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June 04-05, 2018 London, UK Key Topics : Polymer Science -The Future, Polymers In Industries, Polymer Material Science, Polymer Engineering, Polymer Nanotechnology, Polymer Chemistry, Composite Polymeric Material, Advanced Polymers, Role Of Polymers In Biology And Biological Systems, Polymer Physics, Bioplastics And Biopolymers, Applications Of Polymer Materials, Polymers In Wastes And Their Environmental Impact,
Category: Science

Concise Polymeric Materials Encyclopedia

Author : Joseph C. Salamone
ISBN : 084932226X
Genre : Technology & Engineering
File Size : 43.10 MB
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Concise Polymeric Materials Encyclopedia culls the most used, widely applicable articles from the Polymeric Materials Encyclopedia - more than 1,100 - and presents them to you in a condensed, well-ordered format. Featuring contributions from more than 1,800 scientists from all over the world, the book discusses a vast array of subjects related to the: synthesis, properties, and applications of polymeric materials development of modern catalysts in preparing new or modified polymers modification of existing polymers by chemical and physical processes biologically oriented polymers This comprehensive, easy-to-use resource on modern polymeric materials serves as an invaluable addition to reference collections in the polymer field.
Category: Technology & Engineering

Polymer Science

Author : Vasant R. Gowariker
ISBN : 0852263074
Genre : 11030 - polymers
File Size : 26.60 MB
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Category: 11030 - polymers

Dyes And Chomophores In Polymer Science

Author : Jacques Lalev?e
ISBN : 9781119006688
Genre : Technology & Engineering
File Size : 84.50 MB
Format : PDF
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The design and development of dyes and chromophores have recently attracted much attention in various research fields such as materials, radiation curing, (laser) imaging, optics, medicine, microelectronics, nanotechnology, etc.. In this book, the recent research for the use of dyes and chromophores in polymer science is presented. The interaction of the visible light with the dyes or the selected chromophores is particularly important in different fields (e.g. for photovoltaic, display applications (LED ...), laser imaging or laser direct writing, green chemistry with sunlight induced photopolymerization etc ...). This book gives an overview of the dyes and chromophores for all the important fields.
Category: Technology & Engineering

Control Methods In Polymer Processing

Author : L. Halász
ISBN : 9780444596949
Genre : Technology & Engineering
File Size : 40.2 MB
Format : PDF, Kindle
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This book discusses the process theories and automation levels of the most important polymer processes which are necessary to achieve product quality and process economy. The book describes mixing, calendering, screw plastications, sheet and tube extrusion, film blowing, blow moulding and injection moulding. The control methods employed for each of these individual processes are presented in detail. The book is designed to provide information on static and dynamic processes and viable control systems.
Category: Technology & Engineering