Glycol compositions containing a hydrolyzate of an organo phosph

Details Glycol compositions containing a hydrolyzate of an organo phosph Glycol compositions containing a hydrolyzate of an organo phosph

1980-10-20

1982-06-08

Willis, Jr., P. E.

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

252 74, 252 783, C09K 500

Patent

active

043338437

ABSTRACT:
Gellation resistant aqueous glycol compositions useful as antifreeze compositions are disclosed containing 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 7-12. The gellation resistance is obtained or enhanced by the addition of an effective amount of the hydrolyzate of organo-phosphorous-silicon compounds having the formula

REFERENCES:
patent: 3312622 (1967-04-01), Pines
patent: 3362910 (1968-01-01), Ordelt et al.
patent: 4093641 (1978-06-01), Plueddemann
patent: 4149985 (1979-04-01), Wilson

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