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@ARTICLE{Staropoli:874384,
author = {Staropoli, Mariapaola and Gerstner, Dominik and Radulescu,
Aurel and Sztucki, Michael and Duez, Benoit and Westermann,
Stephan and Lenoble, Damien and Pyckhout-Hintzen, Wim},
title = {{D}ecoupling the {C}ontributions of {Z}n{O} and {S}ilica in
the {C}haracterization of {I}ndustrially-{M}ixed {F}illed
{R}ubbers by {C}ombining {S}mall {A}ngle {N}eutron and
{X}-{R}ay {S}cattering},
journal = {Polymers},
volume = {12},
number = {3},
issn = {2073-4360},
address = {Basel},
publisher = {MDPI},
reportid = {FZJ-2020-01404},
pages = {502 -},
year = {2020},
abstract = {Scattering techniques with neutrons and X-rays are powerful
methods for the investigation of the hierarchical structure
of reinforcing fillers in rubber matrices. However, when
using only X-ray scattering, the independent determination
of the filler response itself sometimes remains an issue
because of a strong parasitic contribution of the ZnO
catalyst and activator in the vulcanization process.
Microscopic characterization of filler-rubber mixtures even
with only catalytic amounts of ZnO is, therefore, inevitably
complex. Here, we present a study of silica aggregates
dispersed in an SBR rubber in the presence of the catalyst
and show that accurate partial structure factors of both
components can be determined separately from the combination
of the two scattering probes, neutrons, and X-rays. A unique
separation of the silica filler scattering function devoid
of parasitic catalyst scattering becomes possible. From the
combined analysis, the catalyst contribution is determined
as well and results to be prominent in the correction
scheme. The experimental nano-structure of the ZnO after the
mixing process as the by-product of the scattering
decomposition was found also to be affected by the presence
or absence of silica in the rubber mixture, correlated with
the shear forces in the mixing and milling processes during
sample preparation. The presented method is well suited for
studies of novel dual filler systems},
cin = {ICS-1 / JCNS-1 / JCNS-FRM-II / MLZ},
ddc = {540},
cid = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106 /
I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3},
pnm = {6215 - Soft Matter, Health and Life Sciences (POF3-621) /
551 - Functional Macromolecules and Complexes (POF3-551) /
6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
/ 6G15 - FRM II / MLZ (POF3-6G15)},
pid = {G:(DE-HGF)POF3-6215 / G:(DE-HGF)POF3-551 /
G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-6G15},
experiment = {EXP:(DE-MLZ)KWS2-20140101 / EXP:(DE-MLZ)KWS3-20140101},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:32106486},
UT = {WOS:000525952000001},
doi = {10.3390/polym12030502},
url = {https://juser.fz-juelich.de/record/874384},
}