Ethylenediamine triacetic acid siloxane stabilizers for inorgani

Details Ethylenediamine triacetic acid siloxane stabilizers for inorgani Ethylenediamine triacetic acid siloxane stabilizers for inorgani

1983-07-29

1984-08-21

Kittle, John E.

Compositions

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

Organic components

252389R, 556420, C09K 500

Patent

active

044668961

ABSTRACT:
Stabilizers for inorganic silicate corrosion inhibitor additives in antifreeze/coolant formulations are described. The stabilizers are organosiloxanes which have ethylenediamine triacetic acid moieties as the solubilizing group. A particularly preferred stabilizer is N-(trimethoxysilylpropyl)ethylenediamine triacetic acid, ##STR1## These stabilizers help prevent the corrosion-inhibiting silicate additives from precipitating out and thus extend the shelf life of antifreeze formulations into which they are incorporated.

REFERENCES:
patent: 3312622 (1967-04-01), Pines et al.
patent: 3341469 (1967-09-01), Pines et al.
patent: 4287077 (1981-09-01), Wing
patent: 4344860 (1982-08-01), Plueddemann

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