MANUFACTURING METHOD FOR METALLIC FINE PARTICLE PASTE

To provide a manufacturing method for a metallic fine particle paste suitable for dispersion treatment of a raw material paste containing high concentration of metal particulates.SOLUTION: In a manufacturing method in which a raw material paste obtained by mixing metallic fine particles with a solvent are stirred to manufacture a metallic fine particle paste in which the metallic fine particles are dispersed in the solvent, by using a stirring device A1 comprising a stirring tank 1 having a cylindrical peripheral wall 11, a cylindrical rotary vane 4 arranged in the stirring tank 1 through a gap with the peripheral wall 11, and a drive source (a drive motor 5 and a drive shaft 3) for rotating the rotary vane 4 concentrically with the stirring tank 1, an inner circumferential surface 111 of the peripheral wall 11 is provided with a plurality of recesses 111a, and the manufacturing method comprises a stirring process of supplying the raw material paste to the stirring tank 1 and rotating the rotary vane 4 to stir the raw material paste while pressing it into a thin film on the inner circumferential surface 111.SELECTED DRAWING: Figure 2 【課題】高濃度の金属微粒子を含む原料ペーストを分散処理するのに適した金属微粒子ペーストの製造方法を提供する。【解決手段】円筒状の周壁１１を有する攪拌槽１と、攪拌槽１内において周壁１１と隙間を介して配置された円筒状の回転羽根４と、回転羽根４を攪拌槽１と同心状にて回転させる駆動源（駆動モータ５および駆動軸３）と、を備えた攪拌装置Ａ１を用いて、金属微粒子を溶媒と混合させた原料ペーストを攪拌して、前記金属微粒子が前記溶媒に分散した金属微粒子ペーストを製造する方法であって、周壁１１の内周面１１１には、複数の凹部１１１ａが設けられており、攪拌槽１に前記原料ペーストを供給し、回転羽根４を回転させることにより、内周面１１１に前記原料ペーストを薄膜状に押し付けながら攪拌する、攪拌工程を備える。【選択図】図２