Nanoparticles in polymer-matrix composites |
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Authors: | Sabine Schlabach Rolf Ochs Thomas Hanemann Doroth��e Vinga Szab�� |
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Affiliation: | (1) Institute for Materials Research III, Karlsruhe Institute of Technology, Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany;(2) Department of Microsystems Engineering (IMTEK), University of Freiburg, Georges-Koehler-Allee 102, 79110 Freiburg, Germany |
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Abstract: | Regarding the development of nanoparticles for polymer matrix composites the particle/agglomerate size and particle/agglomerate
distribution in the composites, respectively, is often crucial. This is exemplarily shown for, e.g. optical applications with
measurements of refractive index and transmittance. Classical blending techniques, where nanoparticles are dispersed in polymers
or resins, are compared to a combination of a special gas-phase synthesis method with subsequent in-situ deposition of nanoparticles
in high-boiling liquids. The particles/agglomerates were characterized regarding particle size and particle size distribution
using transmission electron microscopy and dynamic light scattering. Additionally, important material properties like mechanical
properties, relevant for application, or like viscosity, relevant for processing, are determined. It is shown, that with in-situ
dispersed nanoparticles synthesized in a microwave plasma process composites with finely dispersed particles/agglomerates
are attainable. |
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