Silica encapsulation of aluminium flakes by a new type of sol/gel process provides silver pigments with long-term stability in water-based coatings. This new, heavy metal-free stabilisation technology guarantees gassing stability and optical properties comparable to chromate-passivated pigment types. No degradation under high shear stress can be observed, an important property for circulation lines and pumps of the automotive industry. Finally, the silica-coated pigments show an excellent weather fastness (Florida testing passed) and best adhesion if the pigmented coatings are exposed to humidity tests.


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    Titel :

    Encapsulated aluminium pigments


    Beteiligte:
    Kiehl, A. (Autor:in) / Greiwe, K. (Autor:in)


    Erscheinungsdatum :

    1999


    Format / Umfang :

    5 Seiten, 4 Bilder, 3 Tabellen, 4 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





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