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  • Substrate-induced coagulation (SIC) of nano-disperse alumina in non-aqueous media : the dispersibility and stability of alumina in N-methyl-2-pyrrolidinone
    Basch, Angelika ; Strnad, Simona, 1965-
    This work investigated colloidal properties such as the zeta-potential, the electrophoretic mobilities and the wetting behaviour of alumina dispersed in non-aqueous media. Non-aqueous dispersions of ... alumina were prepared in the solvent N-methyl-2-pyrrolidinone (NMP). The wetting behaviour of alumina in NMP was characterized by the powder contact angle method and the Wilhemy plate method. The behaviour of the dispersion should provide information for the development of a Substrate Induced Coagulation (SIC) coating process of nano-sized alumina in non-aqeous media. SIC is a dip-coating process that coats pretreated but chemically different surfaces with nano-sized particles. It was found that the anionic surfactant dioctyl sulfosuccinate (AOT) had no stabilizing effect on alumina dispersed in NMP.
    Source: Colloids and surfaces. A, Physicochemical and Engineering Aspects. - ISSN 0927-7757 (Vol. 374, issue 1/3, 2011, str. 9-12)
    Type of material - article, component part
    Publish date - 2011
    Language - english
    COBISS.SI-ID - 14557974
    DOI

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