Abstract
The interface structures of isotactic poly(methyl methacrylate) (it-PMMA)/alumina nanoparticle (Al2O3; ~40 nm) mixtures from tetrahydrofuran (THF) solutions were investigated by X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, and differential scanning calorimetry (DSC). The mixtures of it-PMMA can form two amorphous phases with different crystallinities depending on casting conditions from THF. These structures are metastable and have different activation energies for crystal nucleus formation. The polymer interface on Al2O3 particles changes into a crystallizable amorphous phase with a trans-gauche-rich chain conformation.
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Matsuura, K., Matsuda, Y. & Tasaka, S. Metastable interface formation in isotactic poly(methyl methacrylate)/alumina nanoparticle mixtures. Polym J 50, 375–380 (2018). https://doi.org/10.1038/s41428-018-0022-1
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DOI: https://doi.org/10.1038/s41428-018-0022-1
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