摘要:
Provided is an engine oil lubricant composition with improved fuel efficiency and engine wear protection. The lubricant composition may include a major amount of an oil basestock from any one or more Group I, Group II, Group III, Group IV or Group V base oils. The resulting engine oil lubricant composition may have a kinematic viscosity at 100°C of 6 cSt or less, and a corrosion protection of at least 90, as measured according the ASTM D6557 Ball Rust Test. The resulting engine oil lubricant composition may also have a kinematic viscosity at 100°C of 6 cSt or less, an HTHS (ASTM D4683) of less than or equal to 2.2 cP at 150°C and a FZG failure load stage of at least 6, as measured by the FZG A10/16.6R/130 test procedure.
摘要:
The present invention relates to a hyperbranched polyether of formula (I) R m Q n -0-R 1 (I), where- in Q is a branching unit of formula, n is 2 k -1, m is 2 k , k is 2, 3, 4, 5 or 6, each R is independently a hydrocarbon radical having at least 10 carbon atoms, R 1 is a polymer having a number average molecular weight M n of at least 250 g/mol, wherein each branching unit Q is connected via ether linkage to adjacent branching units Q and each terminal oxygen of Q, not connected to adjacent branching units Q, is connected to R via ether linkage, as well as mixtures thereof. The present invention further relates to formulations comprising said hyperbranched polyether or mixture of ethers as well as their use.
摘要:
The present application relates to citric acid-modified polypropylene glycols which are represented by Formula (1) or, as well as compositions comprising such compounds. The polypropylene glycol-based compounds of the invention are useful as additives and in particular as emulsifying agents in e.g. cooling lubricants, as release agents, as well as additives for cosmetic products.
摘要:
The presently claimed invention is directed to the use of polyalkylene glycol ester that are prepared by reacting polytetrahydrofuran with at least one C 9 -C 27 acid in lubricating oil compositions.
摘要:
Ashless corrosion inhibitor compositions including one or more reaction product formed from the reaction of a polyether compound of formula (I) and a hydrocarbyl-substituted succinic anhydride of formula (I) are provided herein, along with lubricant compositions containing same, and methods of using same for inhibiting corrosion of a metal.
摘要:
A lubricant composition containing both a dialkyl fumarate-vinyl acetate low temperature flow improver and sorbitan fatty acid ester or a polyoxyalkylene sorbitan fatty acid ester has reduced Gel Index.
摘要:
The present invention relates to a lubricant composition comprising: (a) A hydrocarbon oil comprising at least 30%wt of isoparaffins, based on the total weight of the hydrocarbon oil, and (b) An alkoxylated natural oil. The invention is also directed to the use of the lubricant composition of the invention in a water- based composition, in particular a water-based mud, to improve the lubricity and/or to reduce the foaming properties of the water-based composition.
摘要:
The present invention relates to a lubricant composition containing a base stock and at least 0.01 wt% of a friction reducing additive which is a compound of the Formula (I): R 1 [(AO) n -R 2 ] m (I) wherein R 1 is the residue of a group having at least 2 active hydrogen atoms; m is at least 2; AO is an alkylene oxide residue; each n is independently from 0 to 100; and each R 2 is independently H or R 3 , where each R 3 is independently a residue of a polyhydroxyalkyl or polyhydroxyalkenyl carboxylic acid, a residue of a hydroxyalkyl or hydroxyalkenyl carboxylic acid and/or a residue of an oligomer of the hydroxyalkyl or hydroxyalkenyl carboxylic acid; and on average at least 0.5 of R 2 groups are R 3 . The lubricant composition is suitable for use in an engine oil, a hydraulic oil or fluid, a gear oil and/or a metal-working fluid.