Physical Chemistry of Non-aqueous Solutions of Cellulose and Its Derivatives, Vera V. Myasoedova
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Описание: With contributions from many of the leaders in the field, this volume describes polysaccharide derivatives and new methods with unusual derivatives. It also highlights methods for modifying cellulose, nature's most abundant polymer, to make it accessible for numerous materials and products.
Описание: To mark the 100th anniversary of cellulose diacetate in 2004, academic expertise on the physical and chemical properties of cellulose acetates (CA) is combined in this volume with industrial knowledge on technology and product properties.
Автор: Yalkowsky, Samuel H. (Professor, University of Ari Название: Solubility and Solubilization in Aqueous Media ISBN: 0841235767 ISBN-13(EAN): 9780841235762 Издательство: Oxford Academ Рейтинг: Цена: 11709 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: This book aims to provide the reader with a working knowledge of the various means of controlling the solubility or dissolution rate of a drug or other solute in an aqueous medium. The book begins with the factors which govern solubility in general and then looks at aqueous solubility in particular, including the properties of liquid mixtures and the thermodynamics of solutions formed from mixing two components. The bulk of the book is then devoted to techniques for altering solubility and dissolution rate of organic compounds in aqueous media. It discusses in detail the most commonly used solubility enhancers: buffers, co-solvents, surfactants, and complexants. Each chapter is self-contained and emphasizes the details for applying the techniques.
Описание: Gives students a thorough grounding in pH and associated equilibria, material absolutely fundamental to the understanding of many aspects of chemistry. This book uses the theoretical developments which have led to more generalized approaches to equilibrium problems; these approaches are often simpler than the approximations which they replace.
Автор: Mcginity James Название: Aqueous Polymeric Coatings [2nd Ed] ISBN: 0824797736 ISBN-13(EAN): 9780824797737 Издательство: Informa Цена: 15092 р. Наличие на складе: Нет в наличии.
Описание: Because we are living in an era of Green Science and Technology, developments in the field of bio- and nano- polymer composite materials for advanced structural and medical applications is a rapidly emerging area and the subject of scientific attention. In light of the continuously deteriorating environmental conditions, researchers all over the world have focused an enormous amount of scientific research towards bio-based materials because of their cost effectiveness, eco-friendliness and renewability. This handbook deals with cellulose fibers and nano-fibers and covers the latest advances in bio- and nano- polymer composite materials. This rapidly expanding field is generating many exciting new materials with novel properties and promises to yield advanced applications in diverse fields. This book reviews vital issues and topics and will be of interest to academicians, research scholars, polymer engineers and researchers in industries working in the subject area. It will also be a valuable resource for undergraduate and postgraduate students at institutes of plastic engineering and other technical institutes.
Описание: This Brief presents a review of new eco-friendly processes, design and applications for novel cellulose-based materials, including regenerated materials, composites, nanocellulose and cellulose derivatives. Application of these materials in smart textiles, packaging, energy storage, sensors, gas separations, tissue engineering and drug release are highlighted.
Описание: As the title suggests, we introduce a novel differential approach to solution thermodynamics and use it for the study of aqueous solutions. We evaluate the
quantities of higher order derivative than the normal thermodynamic functions. We allow these higher derivative data speak for themselves without resorting to any model
We thus elucidate the molecular processes in solution, (referred to in this book 'mixing scheme'), to the depth equal to, if not deeper, than that gained by
spectroscopic and other methods. We show that there are three composition regions in aqueous solutions of non-electrolytes, each of which has a qualitatively distinct mixing scheme.
The boundary between the adjacent regions is associated with an anomaly in the third derivatives of G.
The loci of the anomalies in the temperature-composition field form the
line sometimes referred as 'Koga line'. We then take advantage of the anomaly of a third derivative quantity of 1-propanol in the ternary aqueous solution, 1-propanol - sample species -
H2O. We use its induced change as a probe of the effect of a sample species on H2O.
In this way, we clarified what a hydrophobe, or a hydrophile, and in turn, an
amphiphile, does to H2O. We also apply the same methodology to ions that have been ranked by the Hofmeister series. We show that the kosmotropes (salting out, or stabilizing
agents) are either hydrophobes or hydration centres, and that chaotropes (salting in, or destablizing agents) are hydrophiles.
This book features a new differential approach to
solution thermodynamics; a particularly clear elucidation of the mixing schemes in
aqueous solutions; a clear understandings on the effects of hydrophobes, hydrophiles, and amphiphiles to H2O; a clear understandings on the effects of ions on H2O in relation to the
Hofmeister effect; and, a new differential approach to studies in muti-component aqueous solutions.
Автор: Chipperfield, John (Reader in Inorganic Chemistry, Название: Non-aqueous Solvents ISBN: 0198502591 ISBN-13(EAN): 9780198502593 Издательство: Oxford Academ Рейтинг: Цена: 1144 р. Наличие на складе: Поставка под заказ.
Описание: Solvents other than water are used in chemical analysis, manufacturing and specialist syntheses. This book, written for undergraduate chemistry students, covers the theory required to understand how to choose appropriate solvents for different applications. It includes details for the common solvents used in contemporary chemistry.
Описание: Explains the unusual properties of both pure liquid water and simple aqueous solutions, in terms of the properties of single molecules and interactions among small numbers of water molecules. This book is suitable for those who are interested in the outstanding properties of water and its role in biological systems.
Описание: An Introduction to Aqueous Electrolyte Solutions is a comprehensive coverage of solution equilibria and properties of aqueous ionic solutions. Acid/base equilibria, ion pairing, complex formation, solubilities, reversible emf`s and experimental conductance studies are all illustrated by many worked examples.
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