Cleaning compositions

Details Cleaning compositions Cleaning compositions

C - Chemistry, Metallurgy

11

D

C11D 1/72 (2006.01) C11D 3/20 (2006.01) C11D 3/44 (2006.01) C11D 7/26 (2006.01) C11D 7/50 (2006.01) C23G 5/032 (2006.01) H05K 3/26 (2006.01)

Patent

CA 2073733

Case 7851(2) ABSTRACT OF THE DISCLOSURE CLEANING COMPOSITIONS This invention relates to a composition for cleaning contaminated electronic substrates. The compossition comprises a blend of 2-30% w/w of ethoxyethoxy ethanol and at least one other glycol ether derivative selected from bytoxyethoxy ethanol, methoxypropoxy propanol, ethoxypropoxy propanol and C1-C5 monocarboxylic acid esters thereof. These esters are more environmentally safe and more user friendly than halohydrocarbons used hitherto for cleaning fluxes and solders from circuit boards.

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