Binodal Compositions of Polyelectrolyte Complexes
Evan Spruijt
1
,
A. H. Westphal
2, 3
,
J. W. Borst
2, 3
,
Martien A. Cohen Stuart
1
,
Jasper van der Gucht
1
3
MicroSpectroscopy Centre, P.O. Box 8128, 6700 ET Wageningen, The Netherlands
|
Publication type: Journal Article
Publication date: 2010-07-07
scimago Q1
wos Q1
SJR: 1.352
CiteScore: 9.0
Impact factor: 5.2
ISSN: 00249297, 15205835
Materials Chemistry
Organic Chemistry
Inorganic Chemistry
Polymers and Plastics
Abstract
When oppositely charged polyelectrolytes are mixed below a critical salt concentration, their mixtures show macroscopic phase separation into a dilute and a dense, polyelectrolyte complex phase. Binodal compositions of the polyelectrolyte complexes have been measured experimentally using fluorescently labeled polyelectrolytes. We used fluorescein-labeled poly(acrylic acid) (PAA) of four different chain lengths (N = 20, 50, 150, and 510) to determine the binodal compositions of polyelectrolyte complexes of PAA and poly(N,N-dimethylaminoethyl methacrylate) (PDMAEMA) of similar chain lengths. The water content of polyelectrolyte complexes obtained has a lower limit of about 65%, practically independent of chain length, and increases with increasing salt concentration. We interpret our results on binodal compositions, water content and critical salt concentration as a function of chain length using the mean-field model of Voorn and Overbeek and find good quantitative agreement with our experiments using only ...
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Total citations:
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Citations from 2025:
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(9.67%)
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Spruijt E. et al. Binodal Compositions of Polyelectrolyte Complexes // Macromolecules. 2010. Vol. 43. No. 15. pp. 6476-6484.
GOST all authors (up to 50)
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Spruijt E., Westphal A. H., Borst J. W., Cohen Stuart M. A., van der Gucht J. Binodal Compositions of Polyelectrolyte Complexes // Macromolecules. 2010. Vol. 43. No. 15. pp. 6476-6484.
Cite this
RIS
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TY - JOUR
DO - 10.1021/ma101031t
UR - https://doi.org/10.1021/ma101031t
TI - Binodal Compositions of Polyelectrolyte Complexes
T2 - Macromolecules
AU - Spruijt, Evan
AU - Westphal, A. H.
AU - Borst, J. W.
AU - Cohen Stuart, Martien A.
AU - van der Gucht, Jasper
PY - 2010
DA - 2010/07/07
PB - American Chemical Society (ACS)
SP - 6476-6484
IS - 15
VL - 43
SN - 0024-9297
SN - 1520-5835
ER -
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BibTex (up to 50 authors)
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@article{2010_Spruijt,
author = {Evan Spruijt and A. H. Westphal and J. W. Borst and Martien A. Cohen Stuart and Jasper van der Gucht},
title = {Binodal Compositions of Polyelectrolyte Complexes},
journal = {Macromolecules},
year = {2010},
volume = {43},
publisher = {American Chemical Society (ACS)},
month = {jul},
url = {https://doi.org/10.1021/ma101031t},
number = {15},
pages = {6476--6484},
doi = {10.1021/ma101031t}
}
Cite this
MLA
Copy
Spruijt, Evan, et al. “Binodal Compositions of Polyelectrolyte Complexes.” Macromolecules, vol. 43, no. 15, Jul. 2010, pp. 6476-6484. https://doi.org/10.1021/ma101031t.