Dispersion of powders in liquids and stabilization of suspensions. (©2012)

• Record Type: Book
• Further Information: Note: Tharwat Tadros.
• Other Names: Tadros, Tharwat F, 1937-
• Contents: Dispersion of Powders in Liquids and Stabilization of Suspensions; Contents; Preface; 1: General Introduction; 1.1 Fundamental Knowledge Required for Successful Dispersion of Powders into Liquids; 1.1.1 Wetting of Powder into Liquid; 1.1.2 Breaking of Aggregates and Agglomerates into Individual Units; 1.1.3 Wet Milling or Comminution; 1.1.4 Stabilization of the Resulting Dispersion; 1.1.5 Prevention of Ostwald Ripening (Crystal Growth); 1.1.6 Prevention of Sedimentation and Formation of Compact Sediments (Clays); 1.2 Particle Dimensions in Suspensions; 1.3 Concentration Range of Suspensions. 1.4 Outline of the BookReferences; 2: Fundamentals of Wetting and Spreading; 2.1 Introduction; 2.2 The Concept of the Contact Angle; 2.2.1 The Contact Angle; 2.2.2 Wetting Line -- Three-Phase Line (Solid/Liquid/Vapor); 2.2.3 Thermodynamic Treatment -- Young's Equation; 2.3 Adhesion Tension; 2.4 Work of Adhesion Wa; 2.5 Work of Cohesion; 2.6 Calculation of Surface Tension and Contact Angle; 2.6.1 Good and Girifalco Approach; 2.6.2 Fowkes Treatment; 2.7 The Spreading of Liquids on Surfaces; 2.7.1 The Spreading Coefficient S; 2.8 Contact Angle Hysteresis; 2.8.1 Reasons for Hysteresis. 2.8.2 Wenzel's EquationReferences; 3: The Critical Surface Tension of Wetting and the Role of Surfactants in Powder Wetting; 3.1 The Critical Surface Tension of Wetting; 3.2 Theoretical Basis of the Critical Surface Tension; 3.3 Effect of Surfactant Adsorption; 3.4 Dynamic Processes of Adsorption and Wetting; 3.4.1 General Theory of Adsorption Kinetics; 3.4.2 Adsorption Kinetics from Micellar Solutions; 3.4.3 Experimental Techniques for Studying Adsorption Kinetics; 3.4.3.1 The Drop Volume Technique; 3.4.3.2 Maximum Bubble Pressure Technique; 3.5 Wetting of Powders by Liquids. 3.5.1 Rate of Penetration of Liquids: The Rideal-Washburn Equation3.5.2 Measurement of Contact Angles of Liquids and Surfactant Solutions on Powders; 3.5.3 Assessment of Wettability of Powders; 3.5.3.1 Sinking Time, Submersion, or Immersion Test; 3.5.3.2 List of Wetting Agents for Hydrophobic Solids in Water; References; 4: Structure of the Solid-Liquid Interface and Electrostatic Stabilization; 4.1 Structure of the Solid-Liquid Interface; 4.1.1 Origin of Charge on Surfaces; 4.1.1.1 Surface Ions; 4.1.1.2 Isomorphic Substitution; 4.2 Structure of the Electrical Double Layer. 4.2.1 Diffuse Double Layer (Gouy and Chapman)4.2.2 Stern-Grahame Model of the Double Layer; 4.3 Distinction between Specific and Nonspecific Adsorbed Ions; 4.4 Electrical Double-Layer Repulsion; 4.5 van der Waals Attraction; 4.6 Total Energy of Interaction; 4.6.1 Deryaguin-Landau-Verwey-Overbeek Theory; 4.7 Flocculation of Suspensions; 4.8 Criteria for Stabilization of Dispersions with Double-Layer Interaction; References; 5: Electrokinetic Phenomena and Zeta Potential; 5.1 Stern-Grahame Model of the Double Layer; 5.2 Calculation of Zeta Potential from Particle Mobility.
• Publisher Details: Weinheim, Germany : Wiley-VCH
• Publication Date: 2012
• Copyright Date: 2012
• Extent: 1 online resource (xv, 281 pages), illustrations
• Subjects: 660; Dispersion; Suspensions (Chemistry); Colloids; Powders; Wetting; Surface active agents; Polymers; Pigments; SCIENCE -- Chemistry -- Industrial & Technical; TECHNOLOGY & ENGINEERING -- Chemical & Biochemical; Colloids; Dispersion; Pigments; Polymers; Powders; Surface active agents; Suspensions (Chemistry); Wetting; Electronic books
• Languages: English
• ISBNs: 9783527656592; 3527656596; 9783527656622; 3527656626; 9781280662836; 1280662832; 9783527656615; 3527656618; 9783527656608
• Related ISBNs: 352765660X; 9783527329410; 3527329412
• Notes: Note: Includes bibliographical references and index.; Note: Print version record.
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.