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    Home > Coatings News > Paints and Coatings Market > Chromate ion migration in epoxy membranes: the effects of niobium sulfate particles

    Chromate ion migration in epoxy membranes: the effects of niobium sulfate particles

    • Last Update: 2020-11-05
    • Source: Internet
    • Author: User
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    In a new study, the migration of BaSO 4 particles in chromium ions in epoxy membranes has been studied.
    study, the transmission of anticorrosive pigments (chromates) in polymer films was studied. This process plays a vital role in the performance of corrosion-resistant polymer coatings, which continue to work by leaching active corrosion-resistant substances from microlysoluble pigment particles scattered in

    . In addition to anti-corrosion pigments, coatings contain other particles, such as pigments or fillers with different functions.
    filler particles have no anti-corrosion function
    The purpose of this work is to study how filler particles (i.e. BasO 4) that do not have anti-corrosion functions participate in the formation of chromate ion transport routes. Exposure of polymer membranes containing BasO 4 particles with different pigment volume concentrations (PVC) to chromate solutions allows chromate substances to migrate.
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