C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 7/50 (2006.01) B01D 12/00 (2006.01) C23G 5/028 (2006.01) H01L 21/02 (2006.01)
Patent
CA 2674086
The invention relates to non-flammable compositions comprising fluorinated compounds selected from the group consisting of hydro fluoroalkanes, hydrofluoroalkenes, partially or perfluorinated aromatic compounds, hydrofluoroethers or fluoroketones, 1,2-dichloroethylene, especially trans- 1,2-dichloroethylene, and a stabilizer. These non-flammable compositions which preferably contain 1,1,1,3,3-pentafluorobutane, can be used especially as solvents for cleaning and defluxing electronic components and for degreasing metals. The compositions further may comprise a propellant, e.g. 1,1,1,2-tetrafluoroethane. These compositions are especially suitable as flushing agent.
L'invention concerne des compositions ininflammables comprenant des composés fluorés sélectionnés dans le groupe constitué d'hydrofluoroalcanes, d'hydrofluoroalcènes, de composés aromatiques perfluorés ou partiellement perfluorés, d'hydrofluoroéthers ou de fluorocétones, de 1,2-dichloroéthylène, notamment trans- 1,2-dichloroéthylène, et d'un agent stabilisant, Ces compositions ininflammables qui, de préférence contiennent 1,1,1,3,3-pentafluorobutane, peuvent être utilisées notamment comme solvant pour le nettoyage et le défluxage de composants électroniques et pour le dégraissage de métaux. Ces compositions peuvent également comprendre un agent propulseur, tel que 1,1,1,2-tétrafluoroéthane et sont notamment appropriées comme agent de rinçage
Borner Karsten
Marhold Michael
Meurer Christoph
Rau Helge
Robic
Solvay Fluor Gmbh
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