Solvent compositions comprising a tetrafluoroethyl...

Details Solvent compositions comprising a tetrafluoroethyl... Solvent compositions comprising a tetrafluoroethyl...

C - Chemistry, Metallurgy

11

D

C11D 7/50 (2006.01) C11D 7/26 (2006.01) C11D 7/28 (2006.01) C11D 7/30 (2006.01) C11D 7/60 (2006.01) C11D 11/00 (2006.01)

Patent

CA 2491467

A solvent composition comprising 1,1,2, 2-tetrafluoroethyl-2,2,2-trifluoroethyl ether in an amount of from 25.0 to 75.0% (by mass, and the same applies hereinafter), trans-l,2-dichloroethylene in an amount of from 15.0 to 74.9%, and a C1-3 alcohol in an amount of from 0.1 to 10.0%, to the total amount of the 1,1,2, 2-tetrafluoroethyl-2,2,2-trifluoroethyl ether, the trans- 1,2-dichloroethylene and the C1-3 alcohol. The solvent composition of the present invention can remove soil such as flux with a high cleaning performance.

Une composition de solvant comprend de 25,0 à 75,0 % en poids de 1,1,2,2-tetrafluoroéthyl 2,2,2-trifluoroéthyl ether, 15,0 à 74,9 % en poids de trans-1,2-dichloroéthylène, et 0,1 à 10,0 % en poids d'alcool C¿1-3?, basé sur la somme de ceux-ci. La composition de solvant est hautement efficace pour enlever des substances salissantes telles que les flux.

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