| 摘要 |
PROBLEM TO BE SOLVED: To provide a method which enables a stable production of composite particles whose grain boundaries are uniformly dispersed with another group of particles, which method is applicable to a large scale production thereof. SOLUTION: The method comprises a mixing step wherein at least one fluid which contains fine particles charged with a positive surface potential and at least one fluid which contains fine particles charged with a negative surface potential are mixed, and a preceding surface potential adjustment step wherein the surface of at least one of the two fine particle groups is modified with a polymer compound to adjust the surface potential of the fine particle group(s) prior to the mixing step. It is preferable to carry out the mixing step in a micro flow path. COPYRIGHT: (C)2006,JPO&NCIPI
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