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doi:10.22028/D291-32956
Titel: | Epoxy Resin Nanocomposites: The Influence of Interface Modification on the Dispersion Structure—A Small-Angle-X-ray-Scattering Study |
VerfasserIn: | Feichtenschlager, Bernhard Pabisch, Silvia Svehla, Jakob Peterlik, Herwig Sajjad, Muhammad Koch, Thomas Kickelbick, Guido |
Sprache: | Englisch |
Titel: | Surfaces |
Bandnummer: | 3 |
Heft: | 4 |
Verlag/Plattform: | MDPI |
Erscheinungsjahr: | 2020 |
Freie Schlagwörter: | epoxy resin nanocomposite interface tailoring nanoparticles zirconia silica |
DDC-Sachgruppe: | 500 Naturwissenschaften 540 Chemie 600 Technik |
Dokumenttyp: | Journalartikel / Zeitschriftenartikel |
Abstract: | The surface functionalization of inorganic nanoparticles is an important tool for the production of homogeneous nanocomposites. The chemical adaptation of the nano-filler surface can lead to effective weak to strong interactions between the fillers and the organic matrix. Here we present a detailed systematic study of different surface-functionalized particles in combination with a SAXS method for the systematic investigation of the interface interaction in the development of epoxy nanocomposites. We investigated the effect of surface modification of spherical SiO2 nanoparticles with 9 nm and 72 nm diameter and crystalline ZrO2 nanoparticles with 22 nm diameter on the homogeneous distribution of the fillers in diethylenetriamine (DETA) cured bisphenol-F-diglycidylether epoxy resin nanocomposites. Unmodified nanoparticles were compared with surface-modified oxides having diethylene glycol monomethyl ethers (DEG), 1,2-diols, or epoxy groups attached to the surface. The influence of surface modification on dispersion quality was investigated by transmission electron microscopy (TEM) and small angle X-ray scattering (SAXS) for inorganic filler contents of 3, 5 and 10 wt%. It was shown that the dispersion quality can be optimized by varying the coupling agent end group to obtain homogeneous and transparent nanomaterials. UV/VIS measurements confirmed the transparency/translucency of the obtained materials. The relationship between particle–matrix interaction and particle–particle interaction plays a decisive role in homogeneity and is controlled by the surface groups as well as by the type, size, and morphology of the nanoparticles themselves. |
DOI der Erstveröffentlichung: | 10.3390/surfaces3040044 |
Link zu diesem Datensatz: | urn:nbn:de:bsz:291--ds-329569 hdl:20.500.11880/30460 http://dx.doi.org/10.22028/D291-32956 |
ISSN: | 2571-9637 |
Datum des Eintrags: | 27-Jan-2021 |
Bezeichnung des in Beziehung stehenden Objekts: | Supplementary Materials |
In Beziehung stehendes Objekt: | http://www.mdpi.com/2571-9637/3/4/44/s1 |
Fakultät: | NT - Naturwissenschaftlich- Technische Fakultät |
Fachrichtung: | NT - Chemie |
Professur: | NT - Prof. Dr. Guido Kickelbick |
Sammlung: | SciDok - Der Wissenschaftsserver der Universität des Saarlandes |
Dateien zu diesem Datensatz:
Datei | Beschreibung | Größe | Format | |
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surfaces-03-00044.pdf | 6,41 MB | Adobe PDF | Öffnen/Anzeigen |
Diese Ressource wurde unter folgender Copyright-Bestimmung veröffentlicht: Lizenz von Creative Commons