Polymer Adsorption and Dispersion Stability

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Content: Polymers in disperse systems : an overview / B. Vincent --
Evaluation of a macroscopic model for polymer adsorption / R. Hogg --
Ellipsometric study of adsorption of polyelectrolyte onto a metal surface / A. Takahashi, M. Kawaguchi, K. Hayashi, and T. Kato --
The role of the solvent in polymer adsorption : displacement and solvency effects / M.A. Cohen Stuart, J.M.H.M. Scheutjens, and G.J. Fleer --
Flow-enhanced desorption of adsorbed flexible polymer chains / Gerald G. Fuller and Jen-Jiang Lee --
Adsorption-desorption behavior of polyvinyl alcohol on polystyrene latex particles / M.S. Ahmed, M.S. El-Aasser, and J.W. Vanderhoff --
Adsorption of cellulose ethers from moderately saline aqueous solutions / J.E. Glass, S. Shah, D-L. Lu, and S.D. Seneker --
Adsorption of nonionic water-soluble polymers (W-SPs) at aqueous-air interfaces / J.E. Glass, H. Ahmed, and M.E. Glass --
Polymer adsorption at the lower critical solution temperature and its effect on colloid stability / Kunio Furusawa, Yoshihiro Kimura, and Toru Tagawa --
Segment density profiles of adsorbed polymers / T. Cosgrove, B. Vincent, T.L. Crowley, and M.A. Cohen Stuart --
Thickness of adsorbed protein layers on glass : adsorption of proteins in multilayers / A. Silberberg --
Steric considerations in protein adsorption / D.R. Absolom, A.W. Neumann, and C.J. Van Oss --
Dynamic behavior of hydrophobically modified hydroxyethyl celluloses at liquid/air and liquid/liquid interfaces / Shu-Jan Liang and Robert M. Fitch --
Statistical thermodynamics and configurational structure of chains confined between surfaces : the effect of concentration and segment/surface attraction on the behavior of chains bounded by a pair of surfaces / Moti Lal and Gill M. Watson --
Interactions between polymer-bearing surfaces / Jacob Klein, Yaacov Almog, and Paul Luckham --
The stability of dispersions of hard spherical particles in the presence of nonadsorbing polymer / G.J. Fleer, J.H.M.H. Scheutjens, and B. Vincent --
Nonaqueous polymer dispersions : anchoring of diblock copolymers of polystyrene and poly(dimethyl siloxane) on polymer particles / J.V. Dawkins, G. Taylor, G. Ghaem-Maghami, and J.S. Higgins --
Preparation and stability of polymer-grafted silica dispersions / J. Edwards, S. Lenon, A.F. Toussaint, and B. Vincent --
Adsorption of, and steric stabilization of silica particles by, styrene/methyl methacrylate copolymers in solvent/nonsolvent mixtures / I.F. Guthrie and G.J. Howard --
Stability of sterically stabilized nonaqueous dispersions at elevated temperatures and pressures / M.D. Croucher and K.P. Lok --
Steric and electrostatic contributions to the colloidal properties of nonaqueous dispersions / F.M. Fowkes and R.J. Pugh --
Flocculation of precipitated and pyrogenic silica hydrosols by polyethylene glycols : influence of mixing procedure, pH, and electrolyte concentration / E. Killmann, N. Gutling, and Th. Wild --
Colloidal stability of microcrystalline cellulose in aqueous salt solutions / Philip Luner and T. Chou --
Adsorption of polyacrylamides on kaolinite and its flocculation and stabilization / P. Somasundaran, Y.H. Chia, and R. Gorelik --
Rheological studies of aqueous concentrated polystyrene latex dispersions with adsorbed poly(vinyl alcohol) layers / Th. F. Tadros --
Polymer adsorption and particle flocculation in turbulent flow / Anders L. Wigsten and Robert A. Stratton --
Filtrability of polymer-flocculated suspensions / J. Gregory and A.E.L. De Moor.

Author(s): E. D. Goddard and B. Vincent (Eds.)
Series: ACS Symposium Series 240
Publisher: American Chemical Society
Year: 1984

Language: English
Pages: 465

Title Page......Page 1
Half Title Page......Page 3
Copyright......Page 4
ACS Symposium Series......Page 5
FOREWORD......Page 6
PdftkEmptyString......Page 0
PREFACE......Page 7
Polymers at a Single Interface......Page 8
Pairwise Interaction Between Particles in the Presence of Polymer......Page 17
Dispersion Stability in the Presence of Polymer......Page 21
Literature Cited......Page 24
2 Evaluation of a Macroscopic Model for Polymer Adsorption......Page 26
The Basic Model......Page 27
Approximate Solutions......Page 29
Comparison with Statistical Models......Page 32
Application to Experimental Data......Page 35
Summary and Conclusions......Page 38
Literature Cited......Page 39
3 Ellipsometric Study of Adsorption of Polyelectrolyte onto a Metal Surface......Page 41
Experimental......Page 42
Results......Page 44
Conclusions......Page 50
Literature Cited......Page 53
4 The Role of the Solvent in Polymer Adsorption: Displacement and Solvency Effects......Page 55
Theoretical......Page 56
Applications......Page 59
Legend of symbols......Page 65
Literature Cited......Page 67
5 Flow-Enhanced Desorption of Adsorbed Flexible Polymer Chains......Page 68
Experimental......Page 70
Results and Discussion......Page 73
Conclusions......Page 76
Literature Cited......Page 77
6 Adsorption-Desorption Behavior of Polyvinyl Alcohol on Polystyrene Latex Particles......Page 78
Experimental Details......Page 79
Results and Discussion......Page 82
Acknowledgments......Page 93
Literature Cited......Page 95
7 Adsorption of Cellulose Ethers from Moderately Saline Aqueous Solutions......Page 96
EXPERIMENTAL......Page 97
Fresh Water Solutions......Page 98
Saline Solutions......Page 101
Interlayer Entrapment of Ionic HEC Mixed Ethers......Page 109
CONCLUSIONS......Page 110
Literature Cited......Page 113
8 Adsorption of Nonionic Water-Soluble Polymers (W-SPs) at Aqueous-Air Interfaces......Page 114
EXPERIMENTAL......Page 115
RESULTS AND DISCUSSION......Page 117
Rate of Equilibrium Surface Pressure Attainment......Page 118
Magnitude of Surface Pressure Attainment......Page 122
Thickener-Latex Associations in Coatings Formulations......Page 126
CONCLUSIONS......Page 128
Literature Cited......Page 129
9 Polymer Adsorption at the Lower Critical Solution Temperature and Its Effect on Colloid Stability......Page 130
Materials......Page 131
Phase Separation Measurements......Page 132
Polymerization in the Presence of Silica Particles......Page 133
Phase Diagram of Polymer-water Systems......Page 134
Adsorption Behavior......Page 135
Flocculation Behavior against Electrolyte......Page 138
Encapsulation of HPC-coated Silica Particles......Page 140
Literature Cited......Page 144
10 Segment Density Profiles of Adsorbed Polymers......Page 146
Theoretical Calculations......Page 147
Results......Page 148
Discussion......Page 150
Literature Cited......Page 157
11 Thickness of Adsorbed Protein Layers on Glass: Adsorption of Proteins in Multilayers......Page 159
Materials and Methods......Page 160
Results......Page 161
Discussion......Page 164
Literature Cited......Page 165
12 Steric Considerations in Protein Adsorption......Page 166
Bovine Serum Albumin (BSA)......Page 167
Electrophoresis......Page 168
Electrophoresis......Page 171
Diffusion......Page 173
Mode of Adsorption of BSA......Page 177
Electrophoretic Mobility......Page 178
Literature Cited......Page 179
13 Dynamic Behavior of Hydrophobically Modified Hydroxyethyl Celluloses at Liquid/Air and Liquid/Liquid Interfaces......Page 181
Experimental......Page 182
Mathematical Model......Page 183
Results and Discussion......Page 190
Conclusion......Page 197
Literature Cited......Page 198
14 Statistical Thermodynamics and Configurational Structure of Chains Confined Between Surfaces The Effect of Concentration and Segment/Surface Attraction on the Behavior of Chains Bounded by a Pair of Surfaces......Page 199
THE MODEL......Page 200
THEORETICAL FRAMEWORK......Page 202
COMPUTATIONAL DETAILS......Page 208
RESULTS AND DISCUSSION......Page 209
Segment-density Distributions......Page 210
Configurational Free Energy......Page 214
Acknowledgment......Page 218
Literature Cited......Page 219
15 Interactions Between Polymer-Bearing Surfaces......Page 220
Apparatus and Method......Page 221
Polystyrene in Cyclohexane at Τ < Θ......Page 223
Polystyrene in Cyclohexane at Τ > Θ......Page 227
Polyethylene Oxide (PEO) in a Good Aqueous Solvent......Page 229
Poly-L-lysine in aqueous salt solutions......Page 233
Acknowledgments......Page 235
Literature Cited......Page 237
16 The Stability of Dispersions of Hard Spherical Particles in the Presence of Nonadsorbing Polymer......Page 238
Interaction between two hard plates......Page 240
Interaction between two hard spheres......Page 243
Phase separation of hard spheres......Page 244
Comparison with experiment......Page 250
Legend of symbols......Page 254
Literature Cited......Page 255
17 Nonaqueous Polymer Dispersions Anchoring of Diblock Copolymers of Polystyrene and Poly(dimethyl siloxane) on Polymer Particles......Page 257
Experimental......Page 258
Results and Discussion......Page 260
Acknowledgments......Page 268
Literature Cited......Page 269
18 Preparation and Stability of Polymer-Grafted Silica Dispersions......Page 270
Analytical Techniques......Page 272
Preparation of Silica Particles......Page 273
Polymer Preparations/Modifications......Page 274
Grafting of Polystyrene to Silica......Page 275
Dispersion Stability......Page 279
Literature Cited......Page 284
19 Adsorption of, and Steric Stabilization of Silica Particles by, Styrene/Methyl Methacrylate Copolymers in Solvent/Nonsolvent Mixtures......Page 286
Experimental......Page 287
Results......Page 289
Discussion......Page 297
Literature Cited......Page 305
20 Stability of Sterically Stabilized Nonaqueous Dispersions at Elevated Temperatures and Pressures......Page 306
EXPERIMENTAL SECTION......Page 308
RESULTS AND DISCUSSION......Page 310
Literature Cited......Page 319
21 Steric and Electrostatic Contributions to the Colloidal Properties of Nonaqueous Dispersions......Page 320
Theories of Colloidal Stability in Non-Aqueous Media......Page 321
Adsorption Isotherms on Carbon Black (14)......Page 325
Electrical Conductivity of Carbon Black Dispersions in Dodecane(16)......Page 328
Zeta-Potentials of Carbon Black Dispersions in Hydrocarbons with OLOA-1200 Dispersant (14-16)......Page 330
The Electrostatic Energy Barriers......Page 334
Flocculation Rates and Stability Ratios (16)......Page 335
Sedimentation Volumes of Carbon Black Dispersions in Kerosene (14)......Page 338
Acknowledgments......Page 341
Literature Cited......Page 343
22 Flocculation of Precipitated and Pyrogenic Silica Hydrosols by Polyethylene Glycols Influence of Mixing Procedure, pH, and Electrolyte Concentration......Page 344
Mixing Procedure......Page 345
Determination of Colloidal Stability by measuring Turbidity and Sedimentation with a Laserphoto-Sedimentometer......Page 346
Colloidal Stability of the Pyrogenic Silica......Page 347
Colloidal Stability of Precipitated Silica......Page 355
Conclusions......Page 362
Literature Cited......Page 363
23 Colloidal Stability of Microcrystalline Cellulose in Aqueous Salt Solutions......Page 364
Experimental......Page 365
Results......Page 366
Discussion......Page 374
Literature Cited......Page 378
24 Adsorption of Polyacrylamides on Kaolinite and Its Flocculation and Stabilization......Page 380
Experimental......Page 381
Results......Page 383
Discussion......Page 389
Summary......Page 394
Acknowledgments......Page 395
Literature Cited......Page 396
25 Rheological Studies of Aqueous Concentrated Polystyrene Latex Dispersions with Adsorbed Poly(vinyl alcohol) Layers......Page 398
Experimental......Page 400
Results......Page 402
Discussion......Page 407
Literature Cited......Page 414
26 Polymer Adsorption and Particle Flocculation in Turbulent Flow......Page 416
Theory......Page 418
Results......Page 421
Discussion......Page 425
Literature Cited......Page 430
27 Filtrability of Polymer-Flocculated Suspensions......Page 432
Permeability and Specific Resistance......Page 433
Automated Filtrability Determination......Page 435
Effect of Flocculation on Filtrability......Page 437
Conclusions......Page 443
Literature Cited......Page 445
Author Index......Page 446
A......Page 447
B......Page 448
C......Page 449
D......Page 451
E......Page 452
F......Page 453
H......Page 454
I......Page 455
M......Page 456
P......Page 457
S......Page 460
T......Page 463
V......Page 464
Z......Page 465