Cleaning process and composition

Details Cleaning process and composition Cleaning process and composition

C - Chemistry, Metallurgy

11

D

C11D 7/50 (2006.01) C07C 43/12 (2006.01) C07D 207/10 (2006.01) C07D 211/38 (2006.01) C07D 265/30 (2006.01) C09D 7/12 (2006.01) C11D 11/00 (2006.01) C23G 5/032 (2006.01) C11D 7/28 (2006.01) C11D 7/32 (2006.01) C11D 7/34 (2006.01)

Patent

CA 2210993

A process for removing contaminants from the surface of a substrate comprises contacting the substrate with a cleaning composition comprising at least one mono-, di-, or trialkoxy-substituted perfluoroalkane, perfluorocycloalkane, perfluorocycloalkyl-containing perfluoroalkane, or perfluorocycloalkylene-containing perfluoroalkane compound, the compound optionally containing additional catenary heteroatoms. The compound exibit good solvency properties while being environmentally acceptable.

Un procédé pour éliminer les contaminants de la surface d'un substrat comprend la mise en contact du substrat avec une composition nettoyante comprenant au moins un composé à base de perfluoroalcane substitué par un mono-, un di- ou un trialcoxy, un perfluorocycloalcane, un perfluoroalcane contenant un perfluorocycloalkyle ou un perfluoroalcane contenant un perfluorocycloalkylène, le composé contenant facultativement des hétéroatomes caténaires additionnels. Le composé présente de bonnes propriétés de solvabilité tout en étant acceptable du point de vue environnemental.

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