P. Somasundaran – författare

From anti-aging creams to make-up, surfactants play a key role as delivery systems for skin care and decorative cosmetic products. Surfactants in Personal Care Products and Decorative Cosmetics, Third Edition presents a scientific basis in surfactant science and recent advances in the industry necessary for understanding, formulating, and testing surfactant-based cosmetics and cosmeceuticals.Presenting a new perspective from the previous edition, this book details the function of emulsions, microemulsions, micelles, and nanostructures in the formulation of personal care products and decorative cosmetics and examines their ability to deliver specific benefits to the skin. This edition begins by describing new research into skin structure and cellular processes. Then it presents the latest methods and techniques for substantiating claims and assessing the effectiveness of moisturizers, anti-aging treatments, and sunscreens. Subsequent chapters focus on surfactant solution properties, surfactant emulsions, nanotechnology, cleanser/conditioner systems, and pigment dispersions. Following a detailed examination on the role of surfactants in finished pigmented products, this edition also discusses optimal formulation strategies and surfactant raw materials for enhancing pigmented products. The third edition of Surfactants in Personal Care Products and Decorative Cosmetics, Third Edition helps formulators identify and overcome the challenges involved in developing new applications and enhancing the benefits of cosmetic and cosmeceutical products.

Surfactants have been used for many industrial processes such as flotation, enhanced oil recovery, soil remediation and cleansing. Flotation technology itself has been used in industry since the end of the 19th century, and even today it is an important method for mineral processing and its application range is expanding to other areas. This technology has been used in the treatment of wastewater, industrial waste materials, separation and recycling of municipal waste, and some unit processes of chemical engineering. The efficiency of all these operations depends primarily on the interactions among surfactants, solids and media. In this book, the fundamentals of solution chemistry of mineral/surfactant systems are discussed, as well as the important calculations involved. The influence of relevant physico-chemical conditions are also presented in detail.* Introduces the fundamentals of solution chemistry of mineral/surfactant systems and important calculations involved * Discusses the influence of relevant physico-chemical conditions * Presents the relationship between the molecular structure of the flotation regents of solution chemistry and its characteristics

"Presents the latest research on the flow and structure of complex particulate sustemsions, the adsorption behavior of polymers, and the consolidation behavior and mechanical properties of films. Highlights recent advances in polymer functionality, conformation, and chemistry for biological, biomedical, and industrial applications."

Reagents in Mineral Technology provides comprehensive coverage of both basic as well asapplied aspects of reagents utilized in the minerals industry.This outstanding, single-source reference opens with an explicit account of flotation fundamentals,including coverage of wetting phenomena, mineral/water interfacial phenomena, flo tationchemistry, and flocculation and dispersion of mineral suspensions.It then discusses flotation of sulfide and nonsulfide minerals, with attention to formation ofclithiolates, formation of metal thiol compounds, application of fatty acids, sulfosuccinic acids,amines, and other collectors.Reagents in Mineral Technology also reviews adsorption of surfactants on minerals .. .details adsorption of polymers .. . and considers the chemistry and application of chelation agentsin minerals separations.Additional chapters consider grinding aids, frothers, inorganic and polymeric depressants,dewatering and filtering aids, analytical techniques, and much more.Unique in its depth of coverage, Reagents in Mineral Technology will prove an invaluablereference for mineral engineers and processors; analytical, surface, colloid, and physical chemists;petroleum, petrochemical, metallurgical, and mining engineers; and for use in advancedundergraduate- and graduate-level courses in these and related fields.

The Encyclopedia of Surface and Colloid Science draws together the interface-related aspects of chemistry, materials sciences and engineering, biology, physics, computer sciences, and applied mathematics. This new edition discusses important advancements made in the last decade or so, namely, the understanding of the fundamental theories in colloid and surface science, the development of new and improved methods, and the design of particles–nanoparticles. With an emerging impetus on topics such as health care and renewable energy, this edition also addresses many fundamental aspects, as well as applications, related to drug design and delivery and the development of highly efficient catalysts including novel ways to generate renewable energy. Researchers who are pioneers in their respective disciplines provide the current state of knowledge from their research findings, as well as other valuable information, in the introductory sections of each book. Encompassing ten volumes, this new edition continues to provide practitioners with all the information they need to devise or modify processes both for current and new products.Also Available OnlineThis Taylor & Francis encyclopedia is also available through online subscription, offering a variety of extra benefits for researchers, students, and librarians, including: Citation tracking and alertsActive reference linkingSaved searches and marked listsHTML and PDF format optionsContact Taylor and Francis for more information or to inquire about subscription options and print/online combination packages.US: (Tel) 1.888.318.2367; (E-mail) e-reference@taylorandfrancis.comInternational: (Tel) +44 (0) 20 7017 6062; (E-mail) online.sales@tandf.co.uk