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首页> 外文期刊>ACS applied materials & interfaces >Template-Free Synthesis of a Porous Organic-inorganic Hybrid Tin(IV) Phosphonate and Its High Catalytic Activity for Esterification of Free Fatty Acids
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Template-Free Synthesis of a Porous Organic-inorganic Hybrid Tin(IV) Phosphonate and Its High Catalytic Activity for Esterification of Free Fatty Acids

机译:无孔有机 - 无机杂交锡(IV)膦酸酯的无孔合成的基础合成及其对游离脂肪酸酯化的高催化活性

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摘要

Here we have synthesized an organic—inorganic hybrid mesoporous tin phosphonate monolith (MLSnP-1) with crystalline pore walls by a template-free sol—gel route. N2 sorption analysis shows Brunauer— Emmett—Teller (BET) surface area of 347 ~m2g~(-1). Wide-angle powder X-ray diffraction (PXRD) pattern shows few broad diffraction peaks indicating crystalline pore wall of the material. High-resolution transmission electron microscopic (HR TEM) image further reveals the crystal fringes on the pore wall. Framework bonding and local environment around phosphorus and carbon were examined by Fourier transform infrared (FT IR) spectroscopy and solid-state MAS NMR spectroscopy. The material exhibits remarkable catalytic activity for esterification of long chain fatty acids under mild reaction conditions at room temperature.
机译:在这里,我们通过无机孔壁通过了无机孔壁合成了一种有机 - 无机杂交中孔膦酸盐整体酮(MLSNP-1),通过无模块孔壁途径。 N2吸附分析显示Brunauer- emmett-Teller(BET)表面积为347〜M2G〜(-1)。 广角粉末X射线衍射(PXRD)图案显示少量宽衍射峰,其表示材料的晶体孔壁。 高分辨率透射电子显微镜(HR TEM)图像进一步揭示了孔壁上的晶体条纹。 通过傅里叶变换红外(FT IR)光谱和固态MAS NMR光谱检查磷和碳周围的框架粘接和局部环境。 该材料在室温下在温和的反应条件下,在温和的反应条件下酯化的催化活性显着催化活性。

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