[PERFLUOROSULFONATE IONOMER] [MIXED INORGANIC OXIDE] NANOCOMPOSITES VIA POLYMER IN-SITU SOL-GEL CHEMISTRY

被引：93

作者：

SHAO, PL ^{[1
]}

MAURITZ, KA ^{[1
]}

MOORE, RB ^{[1
]}

机构：

[1] UNIV SO MISSISSIPPI,DEPT POLYMER SCI,HATTIESBURG,MS 39406

来源：

CHEMISTRY OF MATERIALS | 1995年 / 7卷 / 01期

关键词：

D O I：

10.1021/cm00049a029

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

[Mixed-metal oxide]/[Nafion] hybrid films were formulated via in situ sol-gel reactions for tetrabutyl titanate/tetraethoxysilane and for aluminum tri-sec-butoxide/tetraethoxysilane alkoxide pairs. Inorganic composition profiles across film thicknesses were investigated via X-ray energy dispersive spectroscopy with an environmental scanning microscope. Mechanical tensile analysis was used to infer inorganic oxide nanophase/Nafion interfacial interactions, as well as interknitting of inorganic oxide nanoparticles. The TiO2 component within the titaniasilicate-filled hybrids was concentrated in glassy near-surface regions, whereas the SiO2-Al2O3 phase within aluminasilicate-filled hybrids was distributed homogeneously causing mechanical ductility. Investigations of structural topology within the inorganic oxide phases were conducted via IR and NMR spectroscopies.

引用

页码：192 / 200

页数：9

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