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Hybrid Organic‐Inorganic Nanostructured Acrylic Films Based on Methacylate Modified Zirconium Oxocluster
Author(s) -
Sangermano Marco,
Gross Silvia,
Pracella Luca,
Priola Aldo,
Rizza Giancarlo
Publication year - 2007
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.200700148
Subject(s) - zirconium , photopolymer , materials science , x ray photoelectron spectroscopy , polymerization , methacrylate , chemical engineering , thermal stability , cubic zirconia , polymer chemistry , methyl methacrylate , composite material , polymer , ceramic , metallurgy , engineering
Organic‐inorganic nanostructured acrylic films, based on methacrylate‐modified zirconium oxocluster, were prepared by UV‐induced polymerization, which yielded transparent and crack‐free layers. TEM analysis evidenced that all the inorganic particles are well dispersed with no significant macroscopic agglomerations. FT‐IR kinetic investigations showed that the presence of the zirconium oxocluster does not affect the photopolymerization rate or acrylic double bond conversion. An increase on T g values of the cured films is evident at 15 wt.‐% load of the inorganic filler. A thermal stability increase was also achieved in the presence of the zirconium oxocluster. Surface studies performed by XPS analyses showed the presence of homogeneously distributed zirconium oxoclusters, which induces important improvements of the surface hardness evidenced on the basis of the pencil test.