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    • 9. 发明申请
    • Method for coating small particles
    • 涂布小颗粒的方法
    • US20060024436A1
    • 2006-02-02
    • US11239433
    • 2005-09-20
    • Shyam BayyaGuillermo VillalobosJasbinder SangheraIshwar Aggarwal
    • Shyam BayyaGuillermo VillalobosJasbinder SangheraIshwar Aggarwal
    • B05D7/00
    • C09K11/02B01J2/006B01J2/04C09K11/584
    • The coating method includes the steps of dissolving coating precursor(s) in a solvent to form a precursor solution: adding with mixing a miscible diluent to the precursor solution to form a coating solution; admixing solid particles to the coating solution to form a coating slurry, with the particles surrounded with the coating solution; spraying the coating slurry to form droplets containing at least one particle; passing the droplets through a drying zone where the droplets are dried and form dry particles coated with a coating material formed from the coating precursor(s); heat-treating the coating material on the particles emanating from the drying zone to remove volatile matter on the coating material, to improve integrity of the coating material and/or to effect another objective; and collecting dry coated particles.
    • 涂布方法包括以下步骤:将涂覆前体溶解在溶剂中以形成前体溶液:将可混溶的稀释剂与前体溶液混合形成涂布溶液; 将固体颗粒混合到涂布溶液中以形成涂覆浆料,其中颗粒被涂布溶液包围; 喷涂涂料浆料以形成含有至少一个颗粒的液滴; 使液滴通过干燥区域,其中液滴被干燥并形成涂覆有由涂层前体形成的涂层材料的干燥颗粒; 对从干燥区发出的颗粒上的涂层材料进行热处理以除去涂层材料上的挥发物质,以改善涂层材料的完整性和/或实现另一目的; 并收集干涂层颗粒。