C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 7/50 (2006.01) B08B 3/08 (2006.01)
Patent
CA 2621415
Disclosed is a novel noncombustible solvent composition which can remove an oil-and-fat attached to an article such as an electronic component (e.g., IC), a precision machinery component, a glass substrate or the like or a flux or soil (e.g., dust) on a print circuit board or the like. A mixed solvent composition comprising 40 to 90% by mass of 1,1,1,2,2,3,3,4,4,5,5,6,6- tridecafluorooctane and 60 to 10% by mass of isopropanol; and an azeotropic solvent composition comprising 62% by mass of 1,1,1,2,2,3,3,4,4,5,5,6,6- tridecafluorooctane and 38% by mass of isopropanol.
La présente invention concerne une composition de solvant non combustible innovante qui peut retirer l'huile et la graisse collées sur un objet comme un composant électronique (par exemple un circuit imprimé), un composant d~usinage de précision, un substrat de verre ou similaire ou un décapant ou de la saleté (par exemple de la poussière) sur une carte de circuit imprimé ou similaire. Elle concerne également une composition de solvants mélangés comprenant 40 à 90% en masse de 1,1,1,2,2,3,3,4,4,5,5,6,6-tridécafluorooctane et 60 à 10% en masse d'isopropanol ; et une composition de solvant azéotrope comprenant 62% en masse de 1,1,1,2,2,3,3,4,4,5,5,6,6- tridécafluorooctane et 38% en masse d~isopropanol.
Okamoto Hidekazu
Tsuzaki Masaaki
Asahi Glass Company Limited
Smart & Biggar
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