Methylpolysiloxanes with quaternary ammonium groups as corrosion

Details Methylpolysiloxanes with quaternary ammonium groups as corrosion Methylpolysiloxanes with quaternary ammonium groups as corrosion

1989-10-12

1993-09-21

Stoll, Robert L.

Compositions

Preservative agents

Anti-corrosion

25240031, 252403, 252399, 25238931, 252 68, 252 783, 422 18, 556418, 556419, 556413, 556425, C23F 1114

Patent

active

052466078

ABSTRACT:
Methylpolysiloxanes are disclosed which have quaternary ammonium groups linked to silicon atoms via carbon atoms, wherein the ratio of the number of dimethylsiloxy groups to the number of quaternary ammonium groups has a value of 0.5 to 1.5. The methylpolysiloxanes are useful as corrosion inhibitors for preparations consisting predominantly of water, especially coolants, such as cooling lubricants mixed with water, in an amount of 0.01 to 0.1% by weight, based on the total preparation in the form suitable for use.

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Bestimmung der Korrosionsschutzeigenschagten von wassergemischten Kuhlschmierstoffen, Jul. 1981.

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