Highlights in Colloid Science

Highlights in Colloid Science......Page 5
Contents......Page 7
Preface......Page 13
Tharwat F. Tadros......Page 15
List of Contributors......Page 19
1.1 Introduction......Page 25
1.2 Polymer-Induced Orthokinetic Heteroocculation......Page 26
1.2.1 Polymer Adsorption and Desorption on Fibers and Colloids......Page 27
1.2.2 Deposition of Colloids on Fibers Subjected to Shear......Page 29
1.2.3 Polymer Transfer......Page 34
1.2.4 Time Dependence of Deposition and Detachment Rate Coefcients......Page 36
1.3 Heteroocculation Among Colloids......Page 37
1.4 Heteroocculation of Fines and Colloids......Page 41
1.5 Concluding Remarks......Page 42
References......Page 43
2.1 Introduction to Microgel Particles......Page 45
2.2 Absorption of Small Molecules......Page 47
2.3 Absorption of Surfactants......Page 49
2.4 Absorption of Polymers and Proteins......Page 53
2.5 Absorption of Nanoparticles......Page 58
References......Page 62
3.1 Introduction......Page 65
3.2 Rheological Studies of Interfacial Adsorption Layers in Fluorinated Systems......Page 66
3.3 Studies of the Rupture and Coalescence of Individual Droplets......Page 68
3.4 Studies of the Interaction of Hydrophobized Solid Surfaces in Nonpolar Liquids......Page 71
3.5 Discussion......Page 73
References......Page 75
4.2 Understanding the ESA Effect......Page 79
4.3 The Dynamic Mobility......Page 83
4.4 The Dynamic Mobility for Thin Double Layer Systems......Page 87
4.5 Particles with Adsorbed Polymer Layers......Page 89
4.6 Surface Conductance......Page 94
4.7 Nanoparticles......Page 97
References......Page 100
5.1 Introduction......Page 103
5.2 Thermodynamics......Page 104
5.3.1 The Lattice......Page 106
5.3.2 From Volume Fractions to Potentials......Page 107
5.3.3 From Potentials to Volume Fractions......Page 110
5.3.4 Grand Potential......Page 112
5.4 Results......Page 114
5.4.1 Stability Analysis......Page 115
5.4.2 Structural Analysis......Page 118
5.5 Conclusions......Page 119
References......Page 120
6.1 Introduction......Page 121
6.2 Microinterferometric Method for Investigation of Thin Liquid Films......Page 122
6.3.1 Foam Films Stabilized by A-B-A Block Copolymers. Brush-to-Brush Interaction......Page 124
6.3.2 Foam Films Stabilized by Hydrophobically Modied Inulin Polymeric Surfactants. Loop-to-Loop Interaction......Page 127
6.4.1 Emulsion Films Stabilized by A–B–A Block Copolymers: Brush-to-Brush Interaction and Transition to the Newton Black Film......Page 130
6.4.2 Emulsion Films Stabilized by Hydrophobically Modied Inulin: Loop-to-Loop Interaction and Transition to the Newton Black Film......Page 132
6.4.3 Comparison of Film Stability and the Stability of a Real Emulsion......Page 136
6.5 Wetting Films Stabilized by Hydrophobically Modied Inulin Polymeric Surfactant......Page 137
6.6 Conclusion......Page 139
References......Page 140
7.1 Introduction......Page 143
7.2.1 Free Energy......Page 144
7.2.3 FVT (‘‘Fix’’)......Page 146
7.2.4 GFVT (‘‘Var’’)......Page 148
7.3 Phase Diagramse(Z)......Page 149
7.4 Phase Diagramspv/kTVersuse/kT......Page 152
7.5 Phase Diagramspv/eVersuskT/e......Page 155
References......Page 156
8.2 Microbrillar Cellulose......Page 159
8.3.1 Acid Hydrolysis......Page 161
8.3.2 High Shear Mechanical Treatment......Page 162
8.4.1 Fibril Morphology and Structure......Page 164
8.5 Modication of Microbril Surfaces......Page 165
8.5.1.2 Reaction with Anhydrides......Page 166
8.5.1.4 Isocyanate Grafting......Page 167
8.5.2.1 Silylation......Page 168
8.5.4.1 TEMPO-Mediated Oxidation......Page 169
8.5.5 Coating with Surfactant......Page 170
8.6.1 Rheology......Page 171
8.6.3 Thin Films......Page 172
8.6.5 Biochemical and Biomedical Applications......Page 173
8.6.5.2 Grafting of an Antimicrobial......Page 174
8.7 Concluding Remarks......Page 175
References......Page 176
9.1 Introduction......Page 179
9.2 Surface Phase Transitions at the Plane Interface......Page 182
9.3 Connement by Curved Interfaces......Page 190
9.3.1 Phase Transitions at the Surface and in the Interior of Small Particles......Page 193
9.3.2 Phase Transitions at the Interfaces and in the Interior of the Substance Condensed in a Porous Matrix......Page 196
References......Page 199
10.1 Introduction......Page 203
10.2 Surfactants Bind to ds-DNA and Induce Compaction......Page 205
10.3 Surfactant Addition Can Lead to Phase Separation of DNA......Page 208
10.3.1 Effect of Salt......Page 211
10.3.2 Effect of Temperature......Page 212
10.4 DNA is an Amphiphilic Polyelectrolyte......Page 213
10.5 Phase Separation Phenomena Underlie the Preparation of Novel Particles......Page 216
10.6 DNA Can be Crosslinked into Gels......Page 220
10.7 Perspectives......Page 223
References......Page 224
11.1 Introduction......Page 227
11.2 Theoretical Models......Page 228
11.2.1 Random Sequential Adsorption Approach......Page 229
11.3.2 Deposition at Random Site Surfaces......Page 231
11.3.3 Particle Deposition at Surface Features......Page 236
11.4 Comparison with Experimental Results......Page 238
11.4.1 Deposition at Surface Features and Patterns......Page 246
11.5 Concluding Remarks......Page 248
References......Page 249
12.1 Introduction......Page 253
12.2.2 Silica Particles: Characterization and Properties......Page 255
12.2.3 Preparation of the Emulsions......Page 256
12.2.4 Emulsion Stability Measurements and Drop Size Determination......Page 257
12.3.2 Viscosity Observations......Page 258
12.3.3 Stability Measurements......Page 260
12.4 Conclusions......Page 266
References......Page 268
13.1 Introduction......Page 271
13.2 Micellization Kinetics Mechanisms......Page 273
13.3 Impact of Micelles on Adsorption Kinetics......Page 274
13.4 Impact of Micelle Kinetics on Interfacial Dilational Visco-Elasticity......Page 278
13.5 Summary......Page 280
References......Page 281
14.1 Introduction......Page 285
14.2 Aggregation in Quiescent Environments......Page 286
14.2.1 Models Incorporating Surface Forces......Page 287
14.2.1.1 Aggregation in the Presence of Inorganic Electrolytes......Page 288
14.2.1.2 Aggregation in the Presence of Polymers......Page 290
14.3 Aggregation in Shear Environments......Page 293
14.3.1 Models Incorporating Surface Forces......Page 294
14.3.2 Models Incorporating Evolution of Aggregate Structure......Page 295
14.3.3 Coupled Population Balance–Fluid Flow Models......Page 296
14.4.1 Multidimensional Population Balances......Page 298
14.4.4 Depletion Flocculation......Page 299
References......Page 300
15.1 Introduction......Page 303
15.2 Preparation Techniques......Page 305
15.3 Drug Delivery Applications......Page 306
References......Page 312
16.1 Introduction......Page 315
16.2 Highly Concentrated Emulsions as Templates for Low-Density Macroporous Materials......Page 318
16.3 Materials with Dual Meso- and Macroporous Structure Templated in Macroporous Foams Obtained From Highly Concentrated Emulsions......Page 319
16.4 Conclusions......Page 320
References......Page 321
Index......Page 323