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@ARTICLE{Papagiannopoulos:189820,
author = {Papagiannopoulos, Aristeidis and Karayianni, Maria and
Mountrichas, Grigoris and Pispas, Stergios and Radulescu,
Aurel},
title = {{M}icellar and fractal aggregates formed by two triblock
terpolymers with different arrangements of one charged, one
neutral hydrophilic and one hydrophobic block},
journal = {Polymer},
volume = {63},
issn = {0032-3861},
address = {Oxford},
publisher = {Elsevier Science},
reportid = {FZJ-2015-02838},
pages = {134 - 143},
year = {2015},
abstract = {We have studied the self-assembled structures of two
triblock amphiphilic polyelectrolytes of different
topologies, containing a charged
poly[sodium(sulfamate/carboxylate)isoprene] (SCPI) block, a
polystyrene (PS) hydrophobic block and a hydrophilic neutral
poly(ethylene oxide) (PEO) block in aqueous solutions, using
Small Angle Neutron Scattering (SANS) and Light Scattering
(LS). SANS reveals micellar and fractal aggregates in
coexistence for both systems. In the case of SCPI-b-PS-b-PEO
there is a higher content in fractal aggregates in
comparison with PS-b-SCPI-b-PEO. In both cases the micellar
aggregates are stable under different solution conditions,
whereas the fractal aggregates appear to break upon addition
of salt in the PS-b-SCPI-b-PEO system. The detailed picture
of the micellar aggregates is consistent with the
anticipated morphology of charged and neutral spherical
macromolecular brushes, extended to mixed and sequential
brushes. The analytical description obtained by SANS is used
to interpret the LS data which is very sensitive to the
presence of two species and therefore provides information
on average values of the measured parameters.},
cin = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
(München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1},
ddc = {540},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-1-20110106},
pnm = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
Neutron Research (JCNS) (POF3-623)},
pid = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
experiment = {EXP:(DE-MLZ)KWS2-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000353365400017},
doi = {10.1016/j.polymer.2015.03.004},
url = {https://juser.fz-juelich.de/record/189820},
}