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@ARTICLE{Ghavami:834261,
author = {Ghavami, Ali and Winkler, Roland G.},
title = {{S}olvent {I}nduced {I}nversion of {C}ore-{S}hell
{M}icrogels},
journal = {ACS Macro Letters},
volume = {6},
issn = {2161-1653},
address = {Washington, DC},
publisher = {ACS},
reportid = {FZJ-2017-04243},
pages = {721 - 725},
year = {2017},
abstract = {The morphology of core–shell microgels under different
swelling conditions and as a function of the core–shell
thickness ratio is systematically characterized by mesoscale
hydrodynamic simulations. With increasing hydrophobic
interaction of the shell polymers, we observe drastic
morphological changes from a core–shell structure to an
inverted microgel, where the core is turned to the outside,
or a microgel with a patchy surface of core polymers
directly exposed to the environment. We establish a phase
diagram of the various morphologies. Moreover, we
characterize the polymer and microgel conformations. For
sufficiently thick shells, the changes of the shell size
upon increasing hydrophobic interactions are well described
by the Flory–Rehner theory. Additionally, this theory
provides a critical line in the phase diagram separating
core–shell structures from the distinct two other phases.
The appearing new phases provide a novel route to nano- and
microscale functionalized materials.},
cin = {IAS-2},
ddc = {540},
cid = {I:(DE-Juel1)IAS-2-20090406},
pnm = {551 - Functional Macromolecules and Complexes (POF3-551)},
pid = {G:(DE-HGF)POF3-551},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000406087600016},
doi = {10.1021/acsmacrolett.7b00318},
url = {https://juser.fz-juelich.de/record/834261},
}