Univerzita PardubiceFakulta chemicko- technologická

Univerzita Pardubice

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Publikace detail

Preparation and characterization of new layered zirconium aminophosphonates

Autoři: Melánová Klára | Beneš Ludvík | Smolík Jan

Rok: 2025

Druh publikace: ostatní - přednáška nebo poster

Strana od-do: nestránkováno

Tituly:

Jazyk	Název	Abstrakt	Klíčová slova
eng	Preparation and characterization of new layered zirconium aminophosphonates	Compound Zr(O3PC3H6NHCOCH3)2 with a basal spacing of 18.45 Å was prepared solvothermally from zirconium propoxide or acetylacetonate in the presence of acetic acid at 180 °C. Its IR spectrum shows bands characteristic for amides, which means that the amino group of the phosphonate reacted with acetic acid forming an amide during the synthesis of the sample. If the same reaction is done at 80°C, the product has a basal spacing of 19.5 Å and contains protonated amino groups and acetate anions. No formation of amide was observed by IR spectra. If the phenylboronic acid, which is not able to react with amino group, was used, the compound Zr(O3PC3H6NH2)2·2C6H5BO2H2 with the basal spacing of 23.52 Å was prepared at both temperatures. It was shown, that preparation of pure zirconium 3-aminopropylphosphonate from its hydrochloride form is difficult, but according to our preliminary experiments the samples containing acetate or phenylboronate anions could be used for an anion exchange.	Intercalatin; zirconium aminophosphonates