inorganic pigment-based al2o3 doped with manganese

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Inorganic pigments are of great interest in literature and in various industrial applications, which has been increasingly diversified in technology as pigments and more color durability with more color options. The objective is to obtain ceramic pigments through the Pechini method in the form of alumina nanoparticles doped with manganese. The Pechini method, also called the polymeric precursor method for the preparation of ceramic materials. Thus it was used citric acid, ethylene glycol, aluminum nitrate, manganese nitrate, as raw materials. The powders were characterized by XRD, RAMAN, SEM, EDX, TG, DTA .The results showed a series of responses to the phase transitions of alumina with different colors obtained for pigments, and considering data from surface area and particle diameter.

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  • Inorganic pigment-based Al2O3 Doped with Manganese.

    F. A. Moraes1, R. A. Gouva

    1, S. Cava

    1, Delbrcke T.

    1 , V.S.C. Lima

    1, L. S. Alves

    1, G. D.

    Barros1, C. S. Xavier

    2 , L. H. Acauan

    3.

    1 Universidade Federal de Pelotas, Pelotas, RS, Brasil.

    2Universidade Estadual de So Paulo, Araraquara, SP, Brasil.

    3Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil.

    Inorganic pigments are of great interest in literature and in various industrial applications,

    which has been increasingly diversified in technology as pigments and more color durability

    with more color options. The objective is to obtain ceramic pigments through the Pechini

    method in the form of alumina nanoparticles doped with manganese. The Pechini method,

    also called the polymeric precursor method for the preparation of ceramic materials. Thus it

    was used citric acid, ethylene glycol, aluminum nitrate, manganese nitrate, as raw materials.

    The powders were characterized by XRD, RAMAN, SEM, EDX, TG, DTA .The results

    showed a series of responses to the phase transitions of alumina with different colors obtained

    for pigments, and considering data from surface area and particle diameter.

    Keywords: inorganic pigment, nanoparticles, alumina doped manganese.

    [1] CAVA, S., TEBCHERANI, S. M., SOUZA, I. A., PASKOCIMAS, C. A., LONGO, E.,

    VARELA, J. A. Structural and spectroscopic characterization of Al2-xCrxO3 powders

    obtained by polymeric precursor method. Journal of Sol-Gel Science and Technology. , v.43,

    p.131 - 136, 2007.

    [2] CAVA, S., TEBCHERANI, S. M., SOUZA, I. A., PIANARO, S. A., PASKOCIMAS, C.

    A., LONGO, E., VARELA, J. A. Structural characterization of phase transition of Al2O3

    nanopowders obtained by polymeric precursor method. Materials Chemistry and Physics. ,

    v.103, p.394 - 399, 2007.

    [email protected] Engenharia de Materiais, UFPEL, R. Felix da Cunha 809, CEP: 96010-000,Centro, Pelotas,RS, Brasil.