C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 120/00 (2006.01) C08J 5/16 (2006.01) C10M 159/12 (2006.01)
Patent
CA 2722105
A post-treated polymeric dispersant which comprises reacting (I) a post- treating agent selected from a cyclic car-bonate, a linear mono-carbonate, a linear poly-carbonate, an aromatic polycarboxylic acid or an aromatic polycarboxylic anhy-dride or an aromatic polycarboxylic acid ester and (II) an oil-soluble lubricating oil additive composition prepared by the process which comprises reacting a copolymer, with at least one ether compound and with at least one aliphatic compound capable of re-acting with at least one monocarboxylic acid or ester thereof, or dicarboxylic acid, anhydride or ester thereof.
La présente invention concerne un dispersant polymère post-traité comprenant la réaction (I) d'un agent de post-traitement choisi parmi un carbonate cyclique, un monocarbonate linéaire, un polycarbonate linéaire, un acide polycarboxylique aromatique ou un anhydride polycarboxylique aromatique ou un ester d'acide polycarboxylique aromatique et (II) d'une composition pour dope lubrifiant oléosoluble préparée par le procédé consistant à faire réagir un copolymère avec au moins un composé éther et au moins un composé aliphatique capable de réagir avec au moins un acide monocarboxylique ou son ester, ou un acide dicarboxylique, son anhydride ou son ester.
Chevron Oronite Company Llc
Sim & Mcburney
LandOfFree
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