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Polymer nanocomposites based on PA12 filled with different loading (0.1−10 wt%) of nanosized (average grain size of about 1−5 nm) chromium(III) oxide were prepared by in situ polymerization, and their mechanical and thermal properties were investigated. A homogeneous dispersion of Cr2O3 nanoparticles in the polyamide matrix was achieved at the level of isolated particles as a result of amphoteric...
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