Process for the preparation of a gel resistant glycol...

Details Process for the preparation of a gel resistant glycol... Process for the preparation of a gel resistant glycol...

C - Chemistry, Metallurgy

09

K

31/60

C09K 15/32 (2006.01) C09K 5/20 (2006.01)

Patent

CA 1115042

ABSTRACT OF THE DISCLOSURE Glycol compositions useful as antifreeze com- positions, are prepared containing borates and silicates together with other corrosion inhibitors. The silicates are added to the glycol compositions after the other additives have been added and after the composition, has been adjusted to a pH range of 9.5-10.5 in order to give maximum gellation resistance. The compositions prepared by this process have a shelf life of 2-3 years without resulting in gellation of the composition.

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