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Hydrothermal preparation of the mixed titanium (IV) phosphate-phenylphosphonates and characterization of their properties

Published online by Cambridge University Press:  31 January 2011

Enrique Jaimez ,
Anatoly I. Bortun ,
Sergei A. Khainakov ,
Igor' I. Voitko ,
José R. García  and
Julio Rodríguez
Enrique Jaimez
Affiliation:
Departamento de Química Orgánica e Inorgánica, Universidad de Oviedo, 33071 Oviedo, Spain
Anatoly I. Bortun
Affiliation:
Departamento de Química Orgánica e Inorgánica, Universidad de Oviedo, 33071 Oviedo, Spain
Sergei A. Khainakov
Affiliation:
Departamento de Química Orgánica e Inorgánica, Universidad de Oviedo, 33071 Oviedo, Spain
Igor' I. Voitko
Affiliation:
Department of Chemistry, Kiev State Trade and Economic University, 19 Kyoto Str., 252156, Kiev, Ukraine
José R. García
Affiliation:
Departamento de Química Orgánica e Inorgánica, Universidad de Oviedo, 33071 Oviedo, Spain
Julio Rodríguez
Affiliation:
Departamento de Química Orgánica e Inorgánica, Universidad de Oviedo, 33071 Oviedo, Spain
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Mixed crystalline titanium (IV) phosphate-phenylphosphonates were synthesized under hydrothermal conditions using tetramethylammonium hydroxide as a templating reagent. It was found that at a relatively low molar ratio H3PO4 : PhPO3H2 in the reaction mixture (<1) only a pure α-titanium phenylphosphonate is formed. At the molar ratio H3PO4 : PhPO3H2 = (3–5): 1 the formation of a novel mixed compound titanium (IV) dihydrogenphosphate-hydrogenphosphate-phenylphosphonate takes place. Further increase of the ratio H3PO4 : PhPO3H2 gives mechanical mixtures of different phases. Preliminary results on the characterization of the novel compound of formula Ti(H2PO4)1.25(HPO4)0.12(C6H5PO3)1.25 · 0.3H2O are presented.

Type
Articles
Information
Journal of Materials Research , Volume 13 , Issue 2 , February 1998 , pp. 323 - 328
Copyright
Copyright © Materials Research Society 1998

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