| abstract |
A composition for removing residues and method using same are describednherein. In one aspect, the composition comprises: an organic polar solvent; water; anquaternary ammonium compound; and a mercapto-containing corrosion inhibitornselected from a compound having the following formulas (I), (II), 2-mercaptothiazoline, 3-mercaptopropyl-trimethoxysilane,nand mixtures thereof:n nwherein X, Y, and Z are each independently selected from C, N, O, S, and P; R 1 , R 2 , R 3 ,nR 4 , R 5 , and R 6 are each independently an alkyl group having a formula C n H 2n+1 ; R 7 is onenselected from H, -OH, -COOH, and -NH 2 ; and R 8 is selected from an alkyl group havingna formula C n H 2n+1 , or an alkanol group having a formula C n H 2n OH; n ranges from 0 to 20;nand the composition is substantially free of a water soluble amine. In another aspect, thencomposition comprises hydroxylamine wherein the mass ratio of hydroxylamine tonquarternary ammonium compound is less than 3. |