摘要:
A lubricating composition comprising (i) a Fischer-Tropsoh derived base oil, and (ii) lubricant additive at a total level of at most 2% by weight, wherein the lubricating composition has a viscosity index of at least 140 and a kinematic viscosity at 40°c of at most 100 mm 2 /s, and wherein the lubricating composition is essentially free of polymeric viscosity index improver. The lubricating composition of the invention exhibits improved extreme pressure and shear stability properties.
摘要:
The invention is directed to a lubricant formulation comprising a base oil having a kinematic viscosity at 100 °C of above 15 cSt, a pour point of below +10 °C and a viscosity index of between 140 and 200 and no viscosity modifier and the use of a viscosity modifier-free lubricant as motor engine lubricant in a gasoline direct injection engine.
摘要:
The invention is directed to a lubricant formulation comprising a base oil having a kinematic viscosity at 100 °C of above 15 cSt, a pour point of below +10 °C and a viscosity index of between 140 and 200 and no viscosity modifier and the use of a viscosity modifier-free lubricant as motor engine lubricant in a gasoline direct injection engine.
摘要:
The present invention provides a lubricating composition comprising a base oil selected from the group consisting of a Fischer-Tropsch derived base oil and a poly-alpha olefin (PAO) base oil or a combination thereof, wherein the composition has a TBN (Total Base Number) value of from 3.5 to 70 mg KOH/g as determined according to ASTM D 2896, and wherein the composition has a soap content of from 15 to 30 mM.
摘要翻译:本发明提供了一种润滑组合物,其包含选自费 - 托衍生的基础油和聚-α-烯烃(PAO)基础油或其组合的基础油,其中所述组合物具有TBN(总碱值 )值为3.5至70mg KOH / g,根据ASTM D 2896测定,并且其中所述组合物的皂含量为15至30mM。
摘要:
The present invention provides an additive concentrate comprising: - a Fischer-Tropsch derived base oil; - at least 3.0 wt.% of a viscosity modifier, based on the total weight of the additive concentrate; and - less than 5.0 wt.% of a solvency booster, based on the total weight of the additive concentrate.
摘要:
The invention is directed to a medicinal white oil composition comprising a base oil obtainable by a process wherein the following steps are performed,
(a) hydrocracking/hydroisomerisating a Fischer-Tropsch product, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-Tropsch product is at least 0.2 and wherein at least 30 wt% of compounds in the Fischer-Tropsch product have at least 30 carbon atoms, (b) separating the product of step (a) into one or more gas oil fractions and a base oil precursor fraction, (c) performing a pour point reducing step to the base oil precursor fraction obtained in step (b), and (d) separating the effluent of step (c) in two or more base oil grades.
摘要:
The present invention provides a lubricating composition comprising a base oil selected from the group consisting of a Fischer-Tropsch derived base oil and a poly-alpha olefin (PAO) base oil or a combination thereof, wherein the composition has a TBN (Total Base Number) value of from 3.5 to 70 mg KOH/g as determined according to ASTM D 2896, and wherein the composition has a soap content of from 15 to 30 mM.
摘要:
The present invention provides a functional fluid composition comprising: - a naphthenic bright stock base oil; and - a Fischer-Tropsch derived base oil.
摘要:
The present invention provides a lubricating composition comprising: - a base oil selected from the group consisting of a Fischer-Tropsch derived base oil and a poly-alpha olefin (PAO) base oil or a combination thereof; - a detergent; and - an amine compound.
摘要:
The present invention provides a lubricating composition comprising: - a base oil selected from the group consisting of a Fischer-Tropsch derived base oil and a poly-alpha olefin (PAO) base oil or a combination thereof; - a detergent; and - an amine compound.