The Surface Properties Of Silica Gels
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The Surface Properties of Silicas
Author | : André P. Legrand |
Publisher | : Wiley-Blackwell |
Total Pages | : 504 |
Release | : 1998-06-29 |
Genre | : Nature |
ISBN | : |
Each of the many different varieties of silica is characterised by its crystalline or amorphous structure and its specific physico-chemical surface properties. It is these surface characteristics which determine the applications of the silica, be it for chromatography, dehydration, polymer reinforcement or other processes. All the recent advances in the use of established and more modern methods for the determination of the surface and morphological characteristics of silicas, are found in this book written by a team of European experts. Analytical methods discussed include: solid state nuclear magnetic resonance, infra-red spectroscopy and adsorption methods. Emphasis is given to the nature and distribution of hydroxyl groups on silica surfaces; the final chapter gives a general survey of the health and safety aspects of silica.
Adsorption on Silica Surfaces
Author | : Eugene Papirer |
Publisher | : CRC Press |
Total Pages | : 784 |
Release | : 2000-04-05 |
Genre | : Science |
ISBN | : 9780824700034 |
"Progresses from theoretical issues to applications. Contains a historical overview, in-depth considerations of various scenarios of silica adsorption, and results from the latest research. Invaluable for broad coverage of the expanding field of silica research."
Silica Gel and Bonded Phases
Author | : Raymond P. W. Scott |
Publisher | : |
Total Pages | : 288 |
Release | : 1993-05-24 |
Genre | : Nature |
ISBN | : |
Deals with silica gel from the perspective of both the analytical chemist and chromatographer. Provides the reader with a basic understanding of the physical and chemical properties of silica gel and bonded phases as well as how these properties impact on the quality of the separations that are achieved by them.
The Chemistry of Silica
Author | : Ralph K. Iler |
Publisher | : Wiley-Interscience |
Total Pages | : 904 |
Release | : 1979-06-06 |
Genre | : Nature |
ISBN | : |
Surfactants and Interfacial Phenomena Milton J. Rosen Bridging the gap between purely theoretical aspects of surface chemistry and the purely empirical experience of the industrial technologist, this book applies theoretical surface chemistry to understanding the action of surfactants in modifying interfacial phenomena. It surveys the structural types of commercially available surfactants and discusses interfacial phenomena, the physicochemical principles underlying the action of surfactants in each phenomenon, and the effect of structural changes in the surfactants and environmental changes on their action. Tables of data on various interfacial properties of surfactants, compiled and calculated from the latest scientific literature, are included. 1978 304 pp. An Introduction to Clay Colloid Chemistry, 2nd Ed. H. van Olphen This book provides valuable guidance in research and design efforts by giving a clear understanding of principles and concepts of colloid chemistry as applied to clay systems. Updated and enlarged, this edition includes new information on surface characterization and adsorption mechanisms; recent results in the area of clay-organic interaction--the intercalation and intersalation of kaolinite minerals; and increased attention to the possible role of clays in biological evolution. 1977 318 pp. Physicochemical Processes for Water Quality Control Walter J. Weber, Jr. Focusing on physicochemical rather than biological processes, this book presents a comprehensive treatise on the treatment of municipal and industrial water and wastewater. All of the physicochemical processes important to municipal and industrial water and wastewater treatment--coagulation, filtration, membrane processes, chemical oxidation, and others--are included and each is covered thoroughly from principle through application. To maintain a high level of expertise, contributions have been incorporated from specialists actively involved in research or engineering applications in each area considered. 1972 640 pp.
Effect of Surface-active Substances on the Properties of Silica Gel Lubricants
Author | : M. B. Bakaleinikov |
Publisher | : |
Total Pages | : 11 |
Release | : 1969 |
Genre | : |
ISBN | : |
The strength of silica gel lubricants prepared with highly purified oils thickened by hydrophobic and nonhydrophobic silica gel is reduced with an increase in temperature. For the same type of lubricants based on nonhydrophobic SiO2 the change in strength with an increase in the oleic acid concentration has an extremal character with maxima at an oleic acid concentration of 0.5%. The addition of oleic acid lubricants based on hydrophobic silica gel leads to a reduction in the lubricant strength at all temperatures except 120C. At this temperature an extremal dependence with a maximum at an oleic acid concentration of 0.1% is observed. The temperature dependence of the lubricant strength carries an extremal character with a maximum at temperatures ranging from 50 to 120C for lubricants based on low-purity oils, and also for lubricants based on highly purified oils with additions of oleic acid. (Author).
Silica Aerogel Composites
Author | : Mahesh Sachithanadam |
Publisher | : Springer |
Total Pages | : 149 |
Release | : 2016-01-13 |
Genre | : Technology & Engineering |
ISBN | : 9811004404 |
This book explores the improvement in thermal insulation properties of protein-based silica aerogel composites fabricated by a novel, inexpensive and feasible method. The resulting material exhibits polymeric foam behavior including high compressibility, super-hydrophobic qualities and excellent strain recovery in addition to low thermal conductivity. The fabrication methodologies are explained in great detail and represented in flowcharts for easy reference and understanding. This monograph gives readers a new perspective on composite fabrication using methods other than the traditional ones and explores the endless ways of altering the composition to modify the properties of the silica aerogel composites. Applications for this novel composite are diverse and range from those in the pharmaceutical and aerospace industries to the oil and gas industries.
Colloidal Silica
Author | : Horacio E. Bergna |
Publisher | : CRC Press |
Total Pages | : 926 |
Release | : 2005-12-19 |
Genre | : Science |
ISBN | : 1420028707 |
In spite of the apparent simplicity of silica's composition and structure, scientists are still investigating fundamental questions regarding the formation, constitution, and behavior of colloidal silica systems. Colloidal Silica: Fundamentals and Applications introduces new information on colloid science related to silica chemistry as well
Sol-Gel Silica
Author | : Larry L. Hench |
Publisher | : William Andrew |
Total Pages | : 177 |
Release | : 1998-12-31 |
Genre | : Technology & Engineering |
ISBN | : 0815519087 |
A unique perspective of twentieth century research and development in materials science. It summarizes the fifteen years of sol-gel silica processing research leading to the commercial development of bioactive gel-glasses for medical applications. It demonstrates the combined use of quantum mechanical molecular modeling and spectroscopy to solve environmental stability problems. A final chapter addresses the topic of Technology Transfer - how to transfer technology from the laboratory to a profitable commercial enterprise using examples from various chapters in the book.