Intercalation mechanism and interlayer structure of hexadecylamines in the confined space of layered alpha-zirconium phosphates

Article Abstract:

The two-step intercalation mechanism that can induce intercalated structures of hexadecylamines (HDAs), either in bilayers or in interdigitated layers, in the confined space of highly fictionalized layered alpha-ZrP intergalleries is demonstrated. A structural transition from the bilayers to the interdigitated layers is monitored by using in situ synchrotron WAXS showing that the hydrophobically intercalated HDAs are selectively deintercalated at a relatively low decomposition temperature around 220 degree Celsius.

Amines

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Structures and properties of zirconia-supported ruthenium oxide catalysts for the selective oxidation of methanol to methyl formate

Article Abstract:

The influence of Ru[O.sub.x] structure on the selective oxidation of methanol to methyl formate (MF) at low temperatures on ZrO2-supported Ru[O.sub.x] catalysts with a range of Ru surface densities is investigated. It is found that [(RuO4).sub.2] structures show exceptional reaction rates and selectivities for the synthesis of methyl formate from methanol-O2 co-reactants.

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), All Other Basic Organic Chemical Manufacturing, Methanol, Ruthenium, Oxidation-reduction reaction, Oxidation-reduction reactions

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Dynamics of p-nitroaniline molecules in micoporous aluminophosphate AlPO4 studied by solid-state NMR

Article Abstract:

An investigation of the dynamics of deuterated p-nitroaniline (pNA-d) molecules in the micropores of AlPO4-5 is presented by means of solid-state NMR. The (super 13)C MAS NMR spectra indicates that the intermolecular hydrogen bonds are formed between a portion of the guest molecules only when the loading level is high.

Aluminum Compounds, Nuclear magnetic resonance spectroscopy

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