TRANSPORT AND INTERACTION IN POLYELECTROLYTE SYSTEMS

Citation
J. Debleijser et al., TRANSPORT AND INTERACTION IN POLYELECTROLYTE SYSTEMS, Journal of physics. Condensed matter, 6, 1994, pp. 10000311-10000315
Citations number
14
Categorie Soggetti
Physics, Condensed Matter
ISSN journal
09538984
Volume
6
Year of publication
1994
Supplement
23
Pages
10000311 - 10000315
Database
ISI
SICI code
0953-8984(1994)6:<10000311:TAIIPS>2.0.ZU;2-H
Abstract
Pulsed-field gradient NMR has been used to study the self-diffusion of polyions and counterions in polyelectrolyte solutions. The concentrat ion dependence indicates a transition between the concentrated and sem idilute regimes. In both regimes the molecular weight dependence is ap proximately M-1 and mixtures of different molecular weights show an in teresting behaviour. Mixtures with M(omega)/M(n) < 1.3 behave as a sin gle fraction.