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    • 8. 发明授权
    • Production of hollow ceramic membranes by electrophoretic deposition
    • 通过电泳沉积生产中空陶瓷膜
    • US06607645B1
    • 2003-08-19
    • US09583274
    • 2000-05-31
    • Partha Sarkar
    • Partha Sarkar
    • C08F258
    • C25D13/14C04B38/00C04B38/065C04B41/009C04B41/5031C04B2111/00413C04B2111/00801C04B2111/00853C25D13/02H01M8/1231Y02P70/56C04B35/00C04B38/0003C04B38/007C04B38/06C04B38/069C04B41/4564C04B14/303C04B30/02
    • The present invention provides methods for producing hollow ceramic membranes by electrophoretic deposition. The hollow ceramic membranes may have a small cross-sectional area of about 1.0×10−5 mm2 to about 25 mm2. The cross-sectional configuration of the hollow ceramic membranes may be any geometry such as circular, square, rectangular, triangular or polygonal. The hollow ceramic membranes produced by the methods of the present invention may have multiple layers but always the innermost layer, or the first deposited layer is porous and made by electrophoretic deposition. Subsequent layers may be porous or non porous and deposited before or after sintering the first layer. If it is deposited after sintering, it may require additional sintering steps. Additional layers may be deposited by further electrophoretic deposition, sol-gel coating, dip coating, vacuum casting, brushing, spraying or other known techniques.
    • 本发明提供了通过电泳沉积制造中空陶瓷膜的方法。 中空陶瓷膜可以具有约1.0×10-5mm2至约25mm2的小横截面积。 中空陶瓷膜的横截面构造可以是任何几何形状,例如圆形,正方形,矩形,三角形或多边形。 通过本发明的方法生产的中空陶瓷膜可以具有多层但总是最内层,或者第一沉积层是多孔的并且通过电泳沉积制成。 随后的层可以是多孔的或非多孔的并且在烧结第一层之前或之后沉积。 如果烧结后沉积,则可能需要额外的烧结步骤。 可以通过进一步的电泳沉积,溶胶 - 凝胶涂覆,浸涂,真空浇铸,刷涂,喷雾或其它已知技术来沉积附加的层。