Get Polyelectrolyte Gels. Properties, Preparation, and PDF

By Ronald S. Harland and Robert K. Prud'homme (Eds.)

content material: part transitions of gels / Toyoichi Tanaka --
Heterophase synthesis of acrylic water-soluble polymers / D. Hunkeler and A.E. Hamielec --
constitution and houses of surfactant-bridged viscoelastic hydrogels / Abdulkadir J. Dualeh and Carol A. Steiner --
Characterization of polyelectrolytes / D. Hunkeler, X.Y. Wu, and A.E. Hamielec --
Polyethylene movie acrylic acid grafted through electron-beam preirradiation approach : houses of grafted fabrics / J. Harada, R.T. Chern, and V.T. Stannett --
dating among poly(acrylic acid) gel constitution and synthesis / Yu-Ling Yin, Robert ok. Prud'homme, and Fredrick Stanley --
Hyaluronic acid gels / Chirag B. Shah and Stanley M. Barnett --
Hydrophobic polyelectrolytes : impression of hydrophobicity on buffering and colloid osmotic strain / Ronald A. Siegel and Jose M. Cornejo-Bravo --
Gel structural heterogeneity, gel permeability, and mechanical reaction / A. Silberberg --
Swelling habit and elastic homes of ionic hydrogels / W. Oppermann --
Complexation of polymeric acids with polymeric bases / A.B. Scranton, J. Klier, and C.L. Aronson --
tracking polyelectrolyte mobility through gel electrophoresis / Evangelia Arvanitidou, David Hoagland, and David Smisek --
relocating ion trade fronts in polyelectrolyte gels / Stevin H. Gehrke, Gaurav Agrawal, and Ming-Chien Yang --
improvement of electrochemical sensors for hydrogen, oxygen, and water utilizing perfluorosulfonic acid membranes / David R. Morris, Xiadong solar, and Lietai Yang --
Polyvinylpyrrolidone-grafted silica resin : promising packing fabric for size-exclusion chromatography of water-soluble polymers / Yoram Cohen and Patricia Eisenberg --
Polyanionic polymers in bio- and mucoadhesive drug supply / Sau-Hung S. Leung and Joseph R. Robinson --
pH-sensitive hydrogels : features and strength in drug supply / Helle Brøndsted and Jindřich Kopeček.

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Extra resources for Polyelectrolyte Gels. Properties, Preparation, and Applications

Example text

On their own in solution, water-soluble surface-active graft copolymers may aggregate either inter- or intramolecularly, either increasing or reducing the apparent intrinsic viscosity of the macromolecules (1—11) depending on the nature of the solvent and whether or not the critical overlap concentration has been reached. In the presence of suspended particles, these polymers adsorb at the solid/liquid interface, promoting steric stabilization of the suspension (72). In surfactant solutions, the hydrophobic moieties of surface-active graft copo­ lymers act as nucleation sites for adsorption of surfactant aggregates.

23. Kratohvil, J. P. J. 1980, 75, 271. ; ACS Symposium Series; American Chemical Society: Washington, DC, 1992. Chapter 4 Characterization of Polyelectrolytes 1 D. Hunkeler , X. Y. Wu, and A. E. ch004 Institute for Polymer Production Technology, Department of Chemical Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada A series of polyacrylamide-co-sodium acrylates were prepared through alkaline hydrolysis of well fractionated polyacrylamides. The polymers were subsequently analyzed by light scattering and viscometry.

K ρ R* + M in, w -> R* w 1, w 10. k Ρ R* + M r, w -* R* , r +1, w w k "· fm R* + Μ r, w R* -» r + R* r, w Ρ + R* w -» 1, w Ρ + Ρ s, w r s where P represents a dead polymer chain of length r. r Interfacial Reactions: 14. k Ρ E*+M "R* w 15. 1, w k K 5 # E + HC. imp -» inert products where ΓΕ is the surface emulsifier concentration, Ε · is an emulsifier radical, H C i represents a hydrocarbon impurity or radical scavenging species and "R is the symbol for a macroradical with a terminal emulsifier group.

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