Complexation and phase behavior of oppositely charged polyelectrolyte/macroion systems

被引：39
|
作者：
Allen, RJ
Warren, PB
机构：
[1] Unilever Res & Dev Port Sunlight, Wirral CH63 3JW, Merseyside, England
[2] Univ Cambridge, Chem Lab, Cambridge CB2 1EW, England
来源：
LANGMUIR | 2004年 / 20卷 / 05期
关键词：
D O I：
10.1021/la0356553
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The complexation and phase behavior of oppositely charged polyelectrolyte/macroion mixtures is investigated using a Poisson-Boltzmann cell model, extended to include the polyelectrolyte component at the level of a mean field treatment. We find that most of the observed features of associative phase separation in oppositely charged polymer/surfactant mixtures are recovered by this model. In addition, the model makes predictions for trends in the critical aggregation concentration in these systems which are in reasonable agreement with experiment.
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页码：1997 / 2009
页数：13
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