By Drew Myers(auth.)
A normal creation to surfactants, floor task, and surfactant applications
very important advances within the instruments to be had for learning the job of surfactants has considerably elevated medical realizing of interfaces on the molecular point. although, there's nonetheless a lot to be discovered. during this 3rd version of the profitable vintage, writer and professional Drew Myers combines the most recent details on hand within the box of surfactants along with his unique, obtainable textual content at the subject.
Now absolutely up to date to mirror fresh advancements in operating with surfactants in either version and functional platforms, the 3rd variation of Surfactant technology and know-how offers an outstanding advent to the sector of surfactant technology. Written specifically for newbies and nonspecialists who would favor a realistic yet no longer unavoidably entire wisdom of the sector, this transparent, cogent textual content conveys the main basic and worthwhile innovations of surfactant motion and alertness. New chapters carry readers modern on present organic and clinical purposes of surfactants, in addition to purposes in foodstuff technology, cosmetics, and different areas.
as well as new chapters, Surfactant technological know-how and expertise contains illustrative difficulties on the finish of every bankruptcy. those difficulties clarify thoughts mentioned and stimulate inventive recommendations at the a part of the reader. A worthy bibliography of supplementary assets for readers who hope extra aspect has additionally been included.
Surfactant technology and expertise, 3rd variation is a useful source for floor and polymer chemists, chemical and business engineers, and a variety of chemistry students.Content:
Chapter 1 an outline of Surfactant technology and expertise (pages 1–28):
Chapter 2 The natural Chemistry of Surfactants (pages 29–79):
Chapter three Fluid Surfaces and Interfaces (pages 80–106):
Chapter four Surfactants in resolution: Monolayers and Micelles (pages 107–159):
Chapter five Higher?Level Surfactant mixture buildings: Liquid Crystals, non-stop Biphases, and Microemulsions (pages 160–190):
Chapter 6 Solubilization and Micellar and part move Catalysis (pages 191–219):
Chapter 7 Polymeric Surfactants and Surfactant–Polymer Interactions (pages 220–244):
Chapter eight Foams and Liquid Aerosols (pages 245–279):
Chapter nine Emulsions (pages 280–322):
Chapter 10 good Surfaces and Dispersions (pages 323–369):
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Additional resources for Surfactant Science and Technology, Third Edition
The effects of the position of substitution on surfactant properties can be quite signiﬁcant and will be discussed in more detail later. Once formed, the alcohol can be sulfated (path 2) to produce dodecane sulfuric acid ester, a strongly acidic compound with good water solubility. When the sulfuric acid ester is neutralized with alkali, certain alkalineearth metals, or organic amines, the material becomes highly soluble in water and an excellent surfactant. It is, in fact, probably the most extensively studied and best understood surfactant known to science—sodium dodecylsulfate (SDS): þ n-C12 H25 OH þ SO3 À!
In some cases isomeric composition may be indicated in the surfactant name or description, while in others the user is left somewhat in the dark. The term ‘‘sodium dodecylsulfate,’’ for example, implies a composition containing only C12 carbon chains. The material referred to as ‘‘sodium lauryl sulfate,’’ on the other hand, is nominally a C12 -surfactant, but will contain some longer- and shorter-chain homologues. Each source of raw materials may have its own local geographic or economic advantage, so that nominally identical surfactants may exhibit slight differences in surfactant activity due to the subtle inﬂuences of raw-materials variations.
Branched-chain alkyl groups (C8 –C22, internal substitution) ÀS CH3 ðCH2 Þn CðCH3 ÞHðCH2 Þm CH2À 3. Unsaturated alkenyl chains such as those derived from vegetable oils ÀCHðCH2 Þ À CH3 ðCH2 Þn CHÀ ÀS m 4. Alkylbenzenes (C8 –C15C6H4 with various substitution patterns) C9 H19 ðC6 H4 ÞÀ ÀS 5. Alkylnaphthalenes (alkyl R usually C3 or greater) RnÀ ÀC10 Hð7ÀnÞÀ ÀS 6. Fluoroalkyl groups (n > 4, partially or completely ﬂuorinated) ÀS CF3 ðCF2 ÞnÀ 7. Polydimethylsiloxanes CH3À ÀðOSi½CH3 2 OÞnÀ ÀS 8. Polyoxypropylene glycol derivatives CH3 CHðOHÞÀ ÀCH2À ÀOðÀ ÀCHðCH3 ÞCH2 OÞnÀ ÀS 9.