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Books > Professional & Technical > Industrial chemistry & manufacturing technologies > Industrial chemistry
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Practical Emulsions, Volume 1, Materials and Equipment (Hardcover, 3rd Ed.)
Loot Price: R3,182
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Practical Emulsions, Volume 1, Materials and Equipment (Hardcover, 3rd Ed.)
Expected to ship within 18 - 22 working days
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CONTENTS - INTRODUCTION - 1. BASIC CONSIDERATIONS -
Solutions-Suspensions-Emulsions-Surface Activity - 2. PROPERTIES OF
EMULSIONS - Particle size and arrangement ; Rheology ; Micelle
Theory ; Stability and Interfacial Phenomena ; Causes of Unstable
Emulsions - 3. INGREDIENTS AND ADDITIVES - Surfactants-Emulsifying
Agents ; Wetting Agents ; Foamers ; Protective Colloids ;
Preservatives - 4. ANALYSIS AND TESTING OF EMULSIONS - Type of
Emulsion ; Density ; Viscosity ; Surface Tension ; Particle Size ;
Water ; PH-Color OdorCorrosion ; Stability ; Performance ;
Analytical Procedures ; ASTM Specifications - 5. TECHNIQUES OF
EMULSIFICATION - English Method-Continental Method - 6. EMULSIFYING
EQUIPMENT - Low-Shear-High-Shear-Rotor-Stator ; Pressurized Fluid ;
Vibrational Devices ; Laboratory Equipment - 7. EMULSION PLANTS AND
PRODUCTION MACHINERY - Over-all Plan ; Modes of Operation ; Power
Requirements ; Mixing Tanks ; Pumps ; Conveyors ; Materials of
Construction ; Instrumentation ; Packaging - 8. SELECTED TOPICS -
Formulation of Emulsions-HLB-Biodegradability - Regulations -
BIBLIOGRAPHY - LIST OF EMULSIFYING AGENTS - SUPPLIERS OF
EMULSIFYING AGENTS - GLOSSARY - INDEX - Introduction - Emulsions,
though not new, are finding new and wider applications daily. One
of the first references to emulsions was recorded by Galen
(131-c.201), the Greek physician. Beginning with that early
reference to the emulsifying power of beeswax, the art and science
of emulsification has flourished. Emulsions are prepared and used
for a variety of reasons. As oil paint cannot be applied to a damp
surface, it is emulsified in water. The oil paint, then, in the
form of an emulsion, can be applied to a damp surface. Therefore,
the emulsion can change the application characteristics of a
material. Water is a desirable, cheap diluent, and an emulsion is
an easy method of using water to dilute materials that are not
soluble in water. In addition, the fire hazard of flammable
water-insoluble materials can be decreased through emulsification.
The odor and taste of water-insoluble materials can be reduced by
the use of an emulsion. Cod-liver oil, for example, loses much of
its fishy, oily taste when it is emulsified. The kinetics of many
reactions are enhanced through the use of emulsion polymerization
techniques. On the other hand, emulsions are difficult to
manufacture. A small deviation in temperature or mixing speed or
small amounts of impurities can prevent the formation of a stable
emulsion. Emulsions are sensitive in varying degrees to heat, cold,
and age. The production of good, stable emulsions, therefore, is
the combination of science and art. It is the purpose of this book
to describe the art and technique of emulsification.
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