N-propyl bromide based cleaning solvent and ionic residue...

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 7/50 (2006.01) C11D 7/26 (2006.01) C11D 7/28 (2006.01)

Patent

CA 2296520

Stabilized, n-propyl bromide containing cleaning solvent compositions and a cleaning process are provided. The cleaning solvent compositions include an alcohol selected from 1-propanol and 2-butanol, including mixtures thereof, as a co-solvent so as to form azeotropic or azeotropic-like mixtures which have no fire or flash points.

L'invention porte sur des compositions de solvants de nettoyage contenant du bromure de n-propyl stabilisé, et le procédé de nettoyage associé. Lesdites compositions comportent un alcool choisi parmi le 1-propanol et le 2-butanol ou leurs mélanges comme cosolvant, de manière à former des mélanges azéotropiques ou du genre azéotropique sans point d'inflammation ou d'éclair.

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