Antifoaming agents for lubricating oils (law455)

Details Antifoaming agents for lubricating oils (law455) Antifoaming agents for lubricating oils (law455)

1996-09-10

1998-06-16

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

252 783, 252358, 508206, 508469, B01D 1904

Patent

active

057665133

ABSTRACT:
A combination of a fluorosilicone antifoamant and a polyacrylate antifoamant have been found to be effective in reducing foaming of lubricating oils at both low and high temperatures and without degrading the air release time to the extent that would occur with a conventional silicone antifoamant. Neither type of antifoamant is effective in reducing foaming at both low and high temperatures by itself.

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patent: 5454979 (1995-10-01), Kobayashi et al.
"Lubricants and Related Poducts", 9.7 Antifoam Agents, D. Klamann, Verlag Chemie, 1984, p. 210.
"Fluoroalkoxyalkyl functional silicone polymers as foam control for middle distillate fuels", Res. Discl. 1991, 322, 126.
"Interfacial Phenomena in Apolar Media", Eicke & Parfitt, Marcel Dekker, Inc., 1987, pp. 7-8.

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