Open Access
Journal of Colloid and Interface Science, volume 597, pages 297-305
Microphase separation of stimuli-responsive interpenetrating network microgels investigated by scattering methods.
Kozhunova Elena
1
,
Rudyak Vladimir
1
,
Li Xiang
2
,
Shibayama Mitsuhiro
3
,
Peters Georgy S
4
,
Vyshivannaya Oxana V
5
,
Nasimova Irina R
6, 7
,
2
Institute for Solid State Physics The University of Tokyo 5-1-5 Kashiwanoha Kashiwa Chiba 277-8581 Japan
|
3
Comprehensive Research Organization for Science and Society, Tokai, Ibaraki 319-1106, Japan
|
7
Russian Academy of Science, Moscow 119991, Russia
|
Publication type: Journal Article
Publication date: 2021-09-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 9.9
ISSN: 00219797, 10957103
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Colloid and Surface Chemistry
Biomaterials
Abstract
Polymer stimuli-responsive microgels find their use in various applications. The knowledge of its internal structure is of importance for further improvement and expanding the scope. Interpenetrating network (IPN) microgels may possess a remarkable feature of strongly non-uniform inner architecture, even microphase separation, in conditions of a selective solvent. In this research, we, for the first time, use a combination of static light scattering (SLS) and small-angle X-ray scattering (SAXS) techniques to collect the structure factors of aqueous dispersions of poly(N-isopropylacrylamide)-polyacrylic acid IPN microgels on the broad scale of q values. We study the influence of solvent quality on microgel conformations and show that in a selective solvent, such a system undergoes microphase separation: the sub-network in a poor solvent conditions forms dense small aggregates inside the large swollen sub-network in a good solvent. We propose the microstructured sphere model for the IPN microgel structure factor interpretation and perform additional analysis and verification through coarse-grained molecular dynamics computer simulations.
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Citations by publishers
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4 publications, 26.67%
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Kozhunova E. et al. Microphase separation of stimuli-responsive interpenetrating network microgels investigated by scattering methods. // Journal of Colloid and Interface Science. 2021. Vol. 597. pp. 297-305.
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Kozhunova E., Rudyak V., Li X., Shibayama M., Peters G. S., Vyshivannaya O. V., Nasimova I. R., Chertovich A. V. Microphase separation of stimuli-responsive interpenetrating network microgels investigated by scattering methods. // Journal of Colloid and Interface Science. 2021. Vol. 597. pp. 297-305.
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TY - JOUR
DO - 10.1016/j.jcis.2021.03.178
UR - https://doi.org/10.1016%2Fj.jcis.2021.03.178
TI - Microphase separation of stimuli-responsive interpenetrating network microgels investigated by scattering methods.
T2 - Journal of Colloid and Interface Science
AU - Kozhunova, Elena
AU - Rudyak, Vladimir
AU - Li, Xiang
AU - Shibayama, Mitsuhiro
AU - Peters, Georgy S
AU - Vyshivannaya, Oxana V
AU - Nasimova, Irina R
AU - Chertovich, Alexander V.
PY - 2021
DA - 2021/09/01 00:00:00
PB - Elsevier
SP - 297-305
VL - 597
SN - 0021-9797
SN - 1095-7103
ER -
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@article{2021_Kozhunova,
author = {Elena Kozhunova and Vladimir Rudyak and Xiang Li and Mitsuhiro Shibayama and Georgy S Peters and Oxana V Vyshivannaya and Irina R Nasimova and Alexander V. Chertovich},
title = {Microphase separation of stimuli-responsive interpenetrating network microgels investigated by scattering methods.},
journal = {Journal of Colloid and Interface Science},
year = {2021},
volume = {597},
publisher = {Elsevier},
month = {sep},
url = {https://doi.org/10.1016%2Fj.jcis.2021.03.178},
pages = {297--305},
doi = {10.1016/j.jcis.2021.03.178}
}