C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/12 (2006.01)
Patent
CA 2344912
The invention relates to a composition of mixed alkylated triphenyl phosphate esters comprising no less than 65 % to about 100 %, by weight, monoalkylphenyl diphenyl phosphate, up to about 30 %, by weight, dialkylphenyl phenyl phosphate, up to about 3 %, by weight, trialkylphenyl phosphate, and up to about 5 %, by weight, triphenyl phosphate. The alkyl moieties can be isopropyl, isobutyl tertiary-butyl, isoamyl, tertiary-amyl, isooctyl and/or isononyl. The fluids prepared according to the previously described method show unusually low air entrainment values of less than 180 seconds, and as low as 20 seconds, and have a content of triphenyl phosphate that typically varies from about 0 to about 5.0 %.
L'invention concerne une composition à base d'un mélange d'esters alkylés de triphénylphosphate comportant entre 65 % et environ 100 % en poids de diphényphosphate de monoalkylphényle, jusqu'à environ 30 % en poids de phosphate phénylique de dialkylphényle, jusqu'à environ 3 % en poids de phosphate de trialkylphényle, et jusqu'à environ 5 % en poids de phosphate de triphényle. Les groupes fonctionnels d'alkyle peuvent être isopropyle, isobutyle butyle tertiaire, isoamyle, amyle tertiaire, isooctyle et/ou isononyle. Les liquides préparés selon le procédé ci-décrit possèdent des valeurs exceptionnellement basses d'entraînement de l'air, inférieures à 180 secondes, voire égales à 20 secondes, et ont une teneur en triphénylphosphate normalement comprise entre 0 et environ 5,0 %.
Buczek Mark
Hombek Richard
Marolewski Theodore A.
Akzo Nobel Nv
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Supresta Llc
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