Polyalkylpolyalkoxypolysiloxane stabilizers for inorganic silica

Details Polyalkylpolyalkoxypolysiloxane stabilizers for inorganic silica Polyalkylpolyalkoxypolysiloxane stabilizers for inorganic silica

1983-07-14

1984-11-27

Lieberman, Paul

Compositions

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

Organic components

252 783, C09K 500

Patent

active

044850255

ABSTRACT:
Gellation resistant aqueous glycol compositions containing an alkylene glycol, a corrosion inhibiting additive and an effective amount of an organo polysiloxane gellation resistant additive are described. Corrosion inhibiting additives tend to gel after some time in aqueous glycol solution, a phenomenon which is inhibited by 100 to 10,000 ppm of the polysiloxane additives of this invention. These polysiloxanes may have one or more substituents selected from the group of moieties of alkyl, alkoxy, cyano, diol ether, carboxylic acid, amide, aryl, alkaryl and acyl.

REFERENCES:
patent: 3312622 (1967-04-01), Pines et al.
patent: 3337496 (1967-08-01), Pines et al.
patent: 3341469 (1967-09-01), Pines et al.
patent: 4287077 (1981-09-01), Wing

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