Polymeric polyol esters used in metalworking fluids

Details Polymeric polyol esters used in metalworking fluids Polymeric polyol esters used in metalworking fluids

C - Chemistry, Metallurgy

10

M

C10M 145/22 (2006.01) C10M 173/00 (2006.01)

Patent

CA 2655442

Polymeric polyol ester additives for metal working applications are described that have lower pour points and improved solubility in API Group I I and I I I basestocks. The polymeric polyol ester contains linear moiiocarboxylic acid, alkanedioic acid, alk(en)yl substituted succinic acid or anhydride, trihydric alcohol and pentaerythritol.

La présente invention concerne des additifs d'ester de polyol polymériques destinés à des applications métallurgiques, présentant de bas points d'écoulement et une solubilité améliorée dans des huiles de base API des groupes II et III. L'ester de polyol polymérique contient de l'acide monocarboxylique linéaire, de l'acide alcanedioïque, de l'acide succinique ou un anhydride substitués par un groupe alkyle ou un groupe alcényle, de l'alcool trihydrique et du pentaérythritol.

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