期刊
PROGRESS IN POLYMER SCIENCE
卷 30, 期 11, 页码 1049-1118出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.progpolymsci.2005.07.006
关键词
polyelectrolytes; ion-containing polymers; counterions; distribution of counterions; condensation of counterions; hydrophobic polyclectrolytes; polyelectrolyte solutions; dynamics of polyelectrolytes; rheology of polyclectrolytes; adsorption of charged polymers
Polyelectrolytes are polymers carrying either positively or negatively charged ionizable groups. The properties of these polymers in solutions and at charged surfaces depend on the fraction of dissociated ionic groups, solvent quality for polymer backbone, solution dielectric constant, salt concentration, and polymer-substrate interactions. In this review, we summarize the current development of theoretical models describing properties of polyelectrolyte solutions and adsorption of charged polymers at surfaces and interfaces. We discuss in detail the conformational properties of polyelectrolyte chains in dilute and semidilute solutions, the phenomenon of counterion condensation, the necklace structure of polyelectrolytes in poor solvent conditions for polymer backbone, the dynamics of polyelectrolyte solutions, the surface overcharging by adsorbed polyelectrolytes and its implication for assembled polyelectrolyte multilayers. (c) 2005 Elsevier Ltd. All rights reserved.
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