Stabilization of silicate solutions

Details Stabilization of silicate solutions Stabilization of silicate solutions

C - Chemistry, Metallurgy

23

G

C23G 5/00 (2006.01) C11D 3/08 (2006.01) C11D 3/10 (2006.01) C11D 3/22 (2006.01) C11D 3/37 (2006.01) C11D 7/12 (2006.01) C11D 7/14 (2006.01) C11D 7/26 (2006.01) C23G 1/20 (2006.01) H05K 3/26 (2006.01)

Patent

CA 2131001

The present invention is directed to aqueous cleaning compositions such as for household use or for cleaning electronic circuit assemblies comprising alkaline salt, an alkali metal silicate to boost detersive action or to provide corrosion protection to the substrates which are cleaned and an anionic polymer which stabilizes the alkali metal silicate to prevent precipitation of the silicate from solution.

La présente invention se rapporte à des compositions nettoyantes aqueuses, à usage domestique ou utilisées pour nettoyer des ensembles de circuits électroniques, et comprenant un sel alcalin et un silicate de métal alcalin permettant de renforcer l'action détersive ou de protéger contre la corrosion les substrats nettoyés, ainsi qu'un polymère anionique qui stabilise le silicate de métal alcalin afin d'empêcher la précipitation du silicate de la solution.

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