Abstract:
A lubricant formulation contains: (a) at least 50 weight-percent hydrocarbon base oil; (b) five to 50 weight-percent of an oil soluble polyalkylene glycol selected from monol, diol and triol initiated 1,2-butylene oxide homopolymer and monol initiated copolymers of 1,2-butylene oxide and propylene oxide; and (c) 0.1 to five weight-percent or less of a sulfurized olefin; where weight-percent is based on total lubricant formulation weight.
Abstract:
An industrial base oil formulation comprising a base oil, preferably a hydrocarbon base oil, having a kinematic viscosity of more than 100 centiStokes, preferably 150 centiStokes or more, at 40 degrees Celsius and an AC-OSP where the AC-OSP has the structure of Formula I: R 1 [O(R 2 O) n (R 3 O) m R 4 ] p (I) where R 1 is an alkyl having from one to thirty carbons, R 2 and R 3 are independently selected from alkyl groups having three or four carbons and can be in block form or randomly combined, R 4 is an alkyl having from one to 18 carbon atoms, n and m are independently numbers ranging from zero to 20 provided that n+m is greater than zero and p is a number within a range of one to three; wherein the industrial base oil formulation has a kinematic viscosity of greater than 100 centiStokes, preferably 150 centiStokes or more, at 40 degrees Celsius is useful in a lubricant for mechanical devices.
Abstract:
Die vorliegende Erfindung betrifft ein (Meth) acrylat-Polymer zur Verbesserung des Viskositätsindexes, welches a) 5 bis 60 Gew.-% an Wiederholungseinheiten umfasst, die von (Meth) acrylaten der Formel (I) abgeleitet sind worin R Wasserstoff oder Methyl darstellt und R 1 einen Alkylrest mit 1 bis 6 Kohlenstoffatomen bedeutet, b) 5 bis 80 Gew.-% an Wiederholungseinheiten umfasst, die von (Meth) acrylaten der Formel (II) abgeleitet sind worin R Wasserstoff oder Methyl darstellt und R 2 einen Alkylrest mit 7 bis 30 Kohlenstoffatomen bedeutet, und 15 bis 90 Gew.-% an Wiederholungseinheiten umfasst, die von (Meth) acrylaten der Formel (III) abgeleitet sind worin R Wasserstoff oder Methyl darstellt, n für eine Zahl im Bereich von 2 bis 500 und A für C 2 -C 4 -Alkylen steht und R 3 ein Wasserstoffatom oder ein Alkylrest mit 1 bis 4 Kohlenstoffatomen bedeutet. Weiterhin beschreibt die vorliegende Erfindung neue Schmierölzusammensetzungen sowie Verfahren zur Herstellung der zuvor dargelegten (Meth) acrylat-Polymere und die Verwendung derselben zur Verbesserung des Viskositätsindexes von Schmierölzusammensetzungen, die mindestens ein polares Grundöl umfassen.
Abstract translation:本发明涉及一种(甲基)丙烯酸酯聚合物,以提高粘度指数,其包含:a)5至60重量重复单元的%的下式的丙烯酸酯,(甲基)衍生(I)其中,R代表氢或甲基和 R 1表示碳原子数1〜6的烷基,b)中为5〜80重量%的包含重复单元,式(II的(甲基))的丙烯酸酯衍生的,其中R代表氢或甲基和R 2是具有7〜30的烷基 指碳原子,和15〜90包括重量衍生的重复式(甲基)丙烯酸酯单元的%(III)衍生,其中R是氢或甲基,n为2至500,a是C2 -C 4亚烷基,且R 3是氢原子或具有1至4个碳原子的烷基。 此外,本发明描述了一种制备上面详细描述的(甲基)丙烯酸酯聚合物和其用途用于改善润滑,其包括至少一种极性基油润滑油组合物的粘度指数新颖润滑油组合物和方法。
Abstract:
A PAG lubricant basefluid for use with a fluoroalkene refrigerant, the basefluid containing a PAG having the formula: RX(R a O)x(R b O)yR c , where R is selected from alkyl groups having from 1-10 carbon atoms, acyl groups having from 1-10 carbon atoms, aliphatic hydrocarbon groups having from 2-6 valencies, and substituents containing a heterocyclic ring in which the heteroatom(s) are oxygen; X is O or S; R a is a C2 alkylene group; Rb is a C3 alkylene group; R c is the same as R or is an H; x and y are each independently 0 or an integer ? 100; and the sum of x + y is an integer in the range of from about 5-100. Refrigeration and lubricant compositions containing the PAG lubricant basefluid and a method of operating a motor-integrated compressor of a refrigeration or air conditioning system with substantially no electrical leakage current are also provided.
Abstract translation:与氟代烯烃制冷剂一起使用的PAG润滑剂基液,所述基液含有具有下式的PAG:RX(R * a)x(R b) 其中R选自具有1-10个碳原子的烷基,具有1-10个碳原子的酰基,具有2-6个化合价的脂族烃基和 含杂环的取代基,其中杂原子是氧; X是O或S; R a是C2亚烷基; Rb是C3亚烷基; R c与R相同或者是H; x和y各自独立地是0或整数? 100; 并且x + y的总和是在约5-100的范围内的整数。 还提供了含有PAG润滑剂基础流体的制冷剂和润滑剂组合物,以及实质上无泄漏电流地操作制冷或空调系统的马达集成压缩机的方法。 p>
Abstract:
Lubricating grease composition comprising: (i) a polyalkylene glycol base oil; (ii) a lithium complex thickener; and (iii) a carboxylic acid comprising 18 carbon atoms or greater. The lubricating grease compositions according to the present invention are particularly useful for reducing friction in a dual mass flywheel application.
Abstract:
An improved refrigerant composition, or a kit for an improved refrigerant composition, for use in air conditioners comprising a refrigerant, wherein the refrigerant comprises a hydrofluorocarbon having a GWP of less than about 10 and an ODP of about zero, which is present at a concentration of at least about 50% by weight of the refrigerant composition; a lubricant wherein the lubricant is a polar, oxygenated lubricant; and an acid scavenger comprising a siloxane, an activated aromatic compound, or any mixtures thereof.
Abstract:
A lubricant composition useful for automotive engines, comprising: (A) at least one polyalkylene glycol suitable for use as a lubricant in an automotive engine, (B) an additive package which comprises an acid scavenger, wherein the acid scavenger is an aspartic acid ester, aspartic acid amide, a Group V aspartic acid salt, or a combination thereof.
Abstract:
Environmentally safe and compatible fluids that are useful as lubricants, and especially as hydraulic fluids, in mobile machinery are formulated to be non-contaminating when accidentally contacted with surrounding vegetation, and removable from vegetation by simply washing the vegetation with tap water. The fluids of the invention are polyalkylene glycol-based and having an ethylene oxide to propylene oxide ratio of from about 68:32 to about 78:22.
Abstract:
A lubricating composition which comprises: (A) a polyalkyleneglycol of the general formula (I) : RO (R a O) x (R b O) y (R c O) z R d (I); wherein: R is a C 4 to C 6 substituent comprising a heterocyclic ring, in which the heteroatom (s) in said ring(s) is (are) oxygen and/or sulphur, R a is a C 2 alkylene group, R b is a C 3 alkylene group, R c is a C 4 alkylene group, R d is the same as R, or is a hydrogen atom or a C 1 -C 20 alkyl or C 1 -C 20 acyl group, x, y, z are each independently 0 or an integer in the range of from 1 to 100, and x + y + z = 4 to 100 ; and (B) an ester of a alcohol containing two or more hydroxyl groups with a mono- or dicarboxylic acid, or an ester of an dicarboxylic acid with an alcohol containing one hydroxyl group.
Abstract translation:一种润滑组合物,其包含:(A)通式(I)的聚亚烷基二醇:RO(R a)O(x) (I);(C)O(O)Z(O) 其中:R是包含杂环的C 6 -C 6取代基,其中所述环中的杂原子是氧和/ 或硫,R a是C 2亚烷基,R b是C 3亚烷基,R 3是 C 4是C 4亚烷基,R d与R相同,或者是氢原子或C 1〜 C 1 -C 20烷基或C 1 -C 20酰基,x,y,z各自独立地为0或整数 范围为1至100,x + y + z = 4至100; 和(B)含有两个或多个羟基的醇与单羧酸或二羧酸的酯,或二羧酸与含有一个羟基的醇的酯。