REFRIGERATION OIL, AND COMPOSITION FOR USE IN REFRIGERATING MACHINE

A refrigerator oil according to one embodiment of the present invention contains: a base oil containing an oxygen-containing organic compound; a polyphosphate ester compound; and a metal salt of an organic carboxylic acid having 6 to 60 carbon atoms. 1: A refrigerator oil , comprising:a base oil comprising an oxygen-containing organic compound;a polyphosphate ester compound; anda metal salt of an organic carboxylic acid having 6 to 60 carbon atoms.2: The refrigerator oil according to claim 1 , wherein a content of the polyphosphate ester compound is from 0.01 to 5.0% by mass based on the total amount of the refrigerator oil.3: The refrigerator oil according to claim 1 , wherein a content of the metal salt of an organic carboxylic acid is 1 ppm or more in terms of metal concentration based on the total amount of the refrigerator oil.4: The refrigerator oil according to claim 1 , wherein the oxygen-containing organic compound is at least one selected from the group consisting of a polyvinyl ether compound claim 1 , a polyoxyalkylene glycol compound claim 1 , a copolymer of a poly(oxy)alkylene glycol or a monoether thereof and a polyvinyl ether claim 1 , and a polyol ester compound.6: The refrigerator oil according to claim 5 , wherein in the general formula (1) Rcomprises an arylene group.9: The refrigerator oil according to claim 1 , wherein the metal salt of an organic carboxylic acid is an alkali metal salt of an organic carboxylic acid.10: The refrigerator oil according to claim 1 , wherein the metal salt of an organic carboxylic acid is a metal salt of an organic carboxylic acid having 16 to 20 carbon atoms.11: The refrigerator oil according to claim 1 , wherein the metal salt of an organic carboxylic acid is potassium oleate.12: A composition for a refrigerator claim 1 , the composition comprising a refrigerant and the refrigerator oil according to .13: The composition for a refrigerator according to claim 12 , wherein the refrigerant is at least one selected ...

VISCOSITY INDEX IMPROVER AND LUBRICATING OIL COMPOSITION

The present invention aims to provide a viscosity index improver excellent in shear stability and having a low HTHS viscosity and a high viscosity index. The viscosity index improver of the present invention contains a (co)polymer (A) containing a polyolefin-based monomer as an essential monomer unit, and a base oil, wherein the absolute value of difference in solubility parameter between the (co)polymer (A) and the base oil is 0.8 to 2.0 (cal/cm). 1. A viscosity index improver comprising:a (co)polymer (A) containing a polyolefin-based monomer as an essential monomer unit; anda base oil,{'sup': 3', '1/2, 'wherein the absolute value of the difference in solubility parameter between the (co)polymer (A) and the base oil is 0.8 to 2.0 (cal/cm).'}2. The viscosity index improver according to claim 1 ,{'sup': 3', '1/2, 'wherein the solubility parameter of the base oil is 7.8 to 9.5 (cal/cm).'}4. The viscosity index improver according to claim 3 ,wherein the hydrocarbon polymer containing at least one of isobutylene or 1,2-butylene as an essential structural unit in the formula (1) is a polymer in which the total number of isobutylene and 1,2-butylene based on the total number of structural units is 30 mol % or more.6. The viscosity index improver according to claim 5 ,wherein the (co)polymer (A) is the copolymer containing, as monomer units, 1 to 50% by weight of the monomer (a) and 1 to 80% by weight of the monomer (b) based on the weight of the (co)polymer (A), with the total amount of the monomers (a) and (b) being 10% by weight or more.7. The viscosity index improver according to claim 5 ,wherein the (co)polymer (A) is the copolymer further containing, as a monomer unit, at least one of an alkyl (meth)acrylate (c) having a C1-C4 alkyl group or an alkyl (meth)acrylate (d) having a C12-C36 linear alkyl group.9. The viscosity index improver according to claim 8 ,wherein the (co)polymer (A) is the copolymer containing, as monomer units, 5 to 40% by weight of the monomer (a ...

Phosphorylated Dispersants in Fluids for Electric Vehicles

The present disclosure relates to a lubricating fluid for an electric motor system and a method of lubricating gears and cooling a motor in an electric motor system. In particular, the disclosed technology relates to a lubricating fluid, for use in electric motor vehicle, comprising an oil of lubricating viscosity and at least one phosphorylated dispersant exhibiting increased resistivity after aging. 1. A lubricating composition for use in an electric vehicle comprising:at least 95 weight percent of a lubricating base oil composition, the lubricating base oil composition including base oil selected from API Group III base oils or blends of Group III base oils with Group II, Group V base oils or mixtures thereof;a phosphorylated succinimide dispersant containing 2 wt % to 3.5 wt % phosphorus, the phosphorylated succinimide dispersant providing 650 ppm or less phosphorus to the lubricating composition;the lubricating composition having 700 ppm or less total phosphorus and the phosphorylated succinimide dispersant provides at least 70% of the total phosphorus; andwherein the lubricating composition has a kinematic viscosity from 3 cSt to 6.5 cSt at 100° C. and has a resistivity of at least 50 M Ω·m, as measured according to ASTM D2624-15 using the lubricating composition at 1.5 volts and at 30° C., after the fluid has been aged according to JIS K2514-1 at 150° C.;wherein if the lubricating base oil composition comprises API Group V base oil, the API Group V base oil is present in an amount up to 15 wt % based on the total lubricating composition;wherein if the lubricating base oil composition comprises API Group II base oil, the API Group II is present in an amount up to 80 wt % base on the total lubricating composition.2. The lubricating composition of claim 1 , wherein the phosphorylated succinimide dispersant is a first dispersant and wherein the composition further comprises a second dispersant containing 0.2 wt % to 0.4 wt % phosphorus claim 1 , the second ...

Composition Containing a Block Copolymer and a Method of Lubricating an Internal Combustion Engine

The invention provides a lubricating composition containing an oil of lubricating viscosity and a block copolymer. The block copolymer may contain (a) a hydrophobic first block having Calkyl (meth)acrylic units, wherein at least 50 wt % of the Calkyl (meth)acrylic units are Calkyl (meth)acrylic units, and up to 50 wt % of the Calkyl (meth)acrylic units are Calkyl (meth)acrylic units, with the proviso that alkyl groups of the Calkyl (meth)acrylic units have an average total number of carbon atoms of at least 8; and (b) a second block having (meth)acrylic units further having a heteroatom-containing group providing a polar group. The invention further relates to a method of lubricating an internal combustion engine by lubricating the engine with the lubricating composition. The invention further relates to the use of the block copolymer as an emulsifier and/or pour point depressant. 128-. (canceled)29. A method of operating an internal combustion engine of a vehicle fueled with a mixed gasoline/alcohol fuel , comprising supplying to the engine a lubricating composition comprising an oil of lubricating viscosity and a block copolymer having emulsifier properties , wherein the block copolymer comprises a diblock comprising:{'sub': 1-30', '1-30', '12-18', '1-30, '(a) a hydrophobic first block having Calkyl (meth)acrylic units, wherein the Calkyl (meth)acrylic units comprise Calkyl methacrylic units, with the proviso that alkyl groups of the Calkyl methacrylic units have an average total number of carbon atoms of at least 8; and'}{'sub': '12-18', '(b) a second block having Calkyl methacrylic units which further have a non-carbonyl heteroatom-containing group providing a polar group to such units, the heteroatom-containing group derived from a nitrogen-containing group, whereby said second block exhibits greater hydrophilicity than does the hydrophobic first block,'}wherein the mixed gasoline/alcohol fuel contains from 5 wt % to 85 wt % alcohol.30. The method of claim 29 , ...

GREASE COMPOSITION FOR RESIN LUBRICATION AND SLIDING MEMBER HAVING SLIDING SURFACE MADE OF RESIN

The invention provides a grease composition for lubrication of a sliding surface made of resin, including a fluorine-based base oil and a synthetic hydrocarbon oil as a base oil; a fluorine-based thickener, and a lithium soap thickener or a lithium complex soap thickener as a thickener; and an extreme pressure additive as an additive. The invention also provides a sliding member including a sliding surface made of a resin wherein the grease composition for lubrication is applied to the sliding surface made of a resin. 1. A grease composition for lubrication of a sliding surface made of a resin , comprising:a fluorine-based base oil;a synthetic hydrocarbon oil;a fluorine-based thickener;a lithium soap thickener or a lithium complex soap thickener; andan extreme pressure additive,{'sup': '2', 'wherein the synthetic hydrocarbon oil has a kinetic viscosity at 40° C. of 30 to 220 mm/s.'}2. The grease composition according to claim 1 , wherein the extreme pressure additive is at least one selected from the group consisting of a phosphorus extreme pressure additive and a macromolecular ester extreme pressure additive.3. The grease composition according to claim 1 , wherein a worked penetration is in the range of 265 to 340.4. A sliding member comprising a sliding surface made of a resin wherein the grease composition according to is applied to the sliding surface.5. The sliding member according to claim 4 , wherein the sliding member is a sliding switch.6. The sliding member according to claim 4 , wherein the sliding member is a gear device. This application is based on Japanese Patent Application (No. 2018-141700) filed on Jul. 27, 2018, the contents of which are incorporated herein by reference.The present invention relates to a grease composition for lubrication of a sliding surface made of resin and a sliding member having a sliding surface made of resin.In JP-A-2016-139589, a sliding switch (resin sliding member) for improving waterproof property is proposed.When a ...

LUBRICANT COMPOSITION WITH PHOSPHORUS-FUNCTIONALIZED POLYMERS

The present invention relates to a lubricant composition comprising at least one polyalkyl(meth)acrylate including repeating units derived from (meth)acrylates having 6 to 22 carbon atoms in the alcohol radical, wherein the polyalkyl(meth)acrylate includes repeating units derived from ethylenically unsaturated monomers having at least one covalently bonded phosphorus atom. The present invention further relates to a polyalkyl(meth)acrylate suitable for such a lubricant composition and to the use of a polyalkyl(meth)acrylate having repeating units derived from ethylenically unsaturated monomers having at least one covalently bonded phosphorus atom for reducing friction. 1. A lubricant composition , comprising:a polyalkyl(meth)acrylate comprising a repeating unit derived from a (meth)acrylate having 6 to 22 carbon atoms in an alcohol radical,wherein the polyalkyl(meth)acrylate comprises a repeating unit derived from an ethylenically unsaturated monomer comprising a covalently bonded phosphorus atom.2. The lubricant composition as claimed in claim 1 , comprising a phosphorus compound having a molecular weight not exceeding 1000 g/mol.3. The lubricant composition as claimed in claim 2 , wherein the phosphorus compound having a molecular weight not exceeding 1000 g/mol is a phosphoric ester claim 2 , a phosphoric thioester claim 2 , a metal dithiophosphate claim 2 , a phosphite claim 2 , a phosphonate claim 2 , a phosphine claim 2 , or a mixture of these compounds.4. The lubricant composition as claimed in claim 2 , wherein a weight ratio of polyalkyl(meth)acrylate comprising a repeating unit derived from an ethylenically unsaturated monomer comprising a covalently bonded phosphorus atom to phosphorus compound having a molecular weight not exceeding 1000 g/mol is from 10 claim 2 ,000:1 to 1:10 claim 2 ,000.5. The lubricant composition of claim 2 , wherein a content of phosphorus compound having a molecular weight not exceeding 1000 g/mol is from 0.01 to 10% by weight ...

VISCOSITY INDEX IMPROVER AND LUBRICATING OIL COMPOSITION

A viscosity index improver containing a copolymer (A) whose essential constituent monomer is a monomer (a) having a number average molecular weight of 800 to 4,000 represented by the following formula (1), the copolymer (A) having a solubility parameter in the range of 9.00 to 9.40: 3. The viscosity index improver according to claim 1 ,{'sup': '2', 'wherein in the formula (1), a structure derived from butadiene constituting a part or all of Rhas a 1,2-adduct/1,4-adduct molar ratio of 5/95 to 95/5.'}4. The viscosity index improver according to claim 1 ,wherein the copolymer (A) contains, as a constituent monomer, 10 to 50% by weight of the monomer (a) based on the weight of the copolymer (A).5. The viscosity index improver according to claim 1 ,wherein the copolymer (A) has a weight average molecular weight of 5,000 to 2,000,000.6. The viscosity index improver according to claim 1 ,wherein the copolymer (A) is a copolymer further containing an alkyl (meth)acrylate (b) having a C1-C4 alkyl group as a constituent monomer.10. The viscosity index improver according to claim 1 ,wherein the copolymer (A) is a copolymer further containing at least one monomer selected from the group consisting of a nitrogen atom-containing monomer (f), a hydroxyl group-containing monomer (g), a phosphorus atom-containing monomer (h), and an aromatic ring-containing vinyl monomer (i).12. A lubricating oil composition comprising:at least one base oil selected from the group consisting of API Group I to IV base oils, GTL base oils, and synthetic lubricant base oils; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the viscosity index improver according to ,'}wherein the amount of the copolymer (A) in the lubricating oil composition is 0.1 to 20% by weight.13. The lubricating oil composition according to claim 12 , further containing at least one additive selected from the group consisting of dispersants claim 12 , detergents claim 12 , antioxidants claim 12 , oiliness improvers claim 12 , ...

CONTINUOUSLY VARIABLE TRANSMISSION OIL COMPOSITION HAVING IMPROVED FUEL EFFICIENCY AND DURABILITY

The present disclosure relates to a continuously variable transmission oil composition containing a base oil containing a metallocene polyalpha olefin (mPAO) polymerized with a metallocene catalyst, a viscosity controlling agent containing Polybutadiene hydrogen phosphate Comb Polymethacrylate, and a clean dispersant, and contains mPAO and PHP Comb PMA, which have not been used previously, at a specific ratio to maximize the reduction in low-temperature viscosity while effectively forming an oil film, thereby enhancing fuel efficiency, and at the same time, enhancing durability of a transmission by increasing viscosity. 1. A continuously variable transmission oil composition , comprising:73 to 85 wt % of a base oil;8 to 20 wt % of a viscosity controlling agent; and6 to 10 wt % of a dispersant;wherein the base oil comprises one selected from the group consisting of metallocene polyalpha olefin (mPAO) polymerized with a metallocene catalyst, polyalpha olefin (PAO), paraffinic hydrocarbon compound, and combinations thereof;wherein the metallocene polyalpha olefin (mPAO) polymerized with the metallocene catalyst comprises 1 to 5 wt % based on 100 wt % of the base oil;wherein the viscosity controlling agent comprises Comb Polymethacrylate (Comb PMA) that connects any one or more of polar and non-polar branches to a main chain of the Comb Polymethacrylate (Comb PMA).25-. (canceled)6. The continuously variable transmission oil composition of claim 1 ,wherein the viscosity controlling agent comprises Polybutadiene hydrogen phosphate Comb Polymethacrylate (PHP Comb PMA).7. The continuously variable transmission oil composition of claim 1 ,wherein the dispersant comprises Polyisobutenyl succinimide.8. The continuously variable transmission oil composition of claim 1 , further comprising an additive selected from one group consisting of anti-wear agent claim 1 , friction controlling agent claim 1 , extreme pressure agent claim 1 , antioxidant claim 1 , and combinations thereof ...

Polymeric Poly-Phosphorus Lubricant Additives for Metal Working

A composition having a compound having the structure: 2. The composition of claim 1 , wherein each Y is an ethylene claim 1 , propylene claim 1 , or caprylactone moiety.3. The composition of claim 1 , wherein the compound has a weight ranging from 1000 to 30000 Daltons.4. The composition of claim 1 , wherein the compound has a weight ranging from 400 to 30000 Daltons.5. The composition of claim 1 , wherein the compound has a weight ranging from 500 to 30000 Daltons.6. A method comprising the step of using the compound of as a metalworking fluid additive.8. The composition of claim 7 , wherein each Y is an ethylene claim 7 , propylene claim 7 , or caprylactone moiety.9. The composition of claim 7 , wherein the compound has a weight ranging from 1000 to 30000 Daltons.10. The composition of claim 7 , wherein the compound has a weight ranging from 400 to 30000 Daltons.11. The composition of claim 7 , wherein the compound has a weight ranging from 500 to 30000 Daltons.12. A method comprising the step of using the compound of as a metalworking fluid additive.14. The composition of claim 13 , wherein each Y is an ethylene claim 13 , propylene claim 13 , or caprylactone moiety.15. The composition of claim 13 , wherein the compound has a weight ranging from 1000 to 30000 Daltons.16. The composition of claim 13 , wherein the compound has a weight ranging from 400 to 30000 Daltons.17. The composition of claim 13 , wherein the compound has a weight ranging from 500 to 30000 Daltons.18. A method comprising the step of using the compound of as a metalworking fluid additive.20. The composition of claim 19 , wherein each Y is an ethylene claim 19 , propylene claim 19 , or caprylactone moiety.21. The composition of claim 19 , wherein the compound has a weight ranging from 1000 to 30000 Daltons.22. The composition of claim 19 , wherein the compound has a weight ranging from 400 to 30000 Daltons.23. The composition of claim 19 , wherein the compound has a weight ranging from 500 to ...

Polymeric Poly-Phosphorus Additives for: Gear Oil, Grease, Engine-Oil, Combustion-Engine Lubricant, Automatic Transmission Fluid, Anti-Wear Agents, Two-Cycle Engine Lubricant, or Marine-Engine Lubricant

A method having the step of using a compound as an additive for: gear oil, grease, engine oil, combustion-engine lubricant, automatic transmission fluid, two-cycle engine lubricant, marine-engine lubricant, or anti-wear agent, the compound having the structure: 2. The method of claim 1 , wherein each Y is an independently selected ethyl claim 1 , propyl claim 1 , cyclohexane dimethanol claim 1 , or caprylactone moiety.3. The method of claim 1 , wherein the compound has a weight ranging from 1000 to 30000 Daltons.4. The method of claim 1 , wherein the compound has a weight ranging from 400 to 30000 Daltons.5. The method of claim 1 , wherein the compound has a weight ranging from 500 to 30000 Daltons.7. The method of claim 6 , wherein each Y is an independently selected ethyl claim 6 , propyl claim 6 , cyclohexane dimethanol claim 6 , or caprylactone moiety.8. The method of claim 6 , wherein the compound has a weight ranging from 1000 to 30000 Daltons.9. The method of claim 6 , wherein the compound has a weight ranging from 400 to 30000 Daltons.10. The method of claim 6 , wherein the compound has a weight ranging from 500 to 30000 Daltons.12. The method of claim 11 , wherein each Y is an independently selected ethyl claim 11 , propyl claim 11 , cyclohexane dimethanol claim 11 , or caprylactone moiety.13. The method of claim 11 , wherein the compound has a weight ranging from 1000 to 30000 Daltons.14. The method of claim 11 , wherein the compound has a weight ranging from 400 to 30000 Daltons.15. The method of claim 11 , wherein the compound has a weight ranging from 500 to 30000 Daltons.17. The method of claim 16 , wherein each Y is an independently selected ethyl claim 16 , propyl claim 16 , cyclohexane dimethanol claim 16 , or caprylactone moiety.18. The method of claim 16 , wherein the compound has a weight ranging from 1000 to 30000 Daltons.19. The method of claim 16 , wherein the compound has a weight ranging from 400 to 30000 Daltons.20. The method of claim 16 , ...

MIXED PHOSPHORUS ESTERS FOR LUBRICANT APPLICATIONS

A lubricant composition of an oil of lubricating viscosity and a phosphite ester reaction product of a monomeric phosphorous acid or an ester thereof with a first alkylene diol having two hydroxy groups in a 1,4 or 1,5 or 1,6 relationship and a second, alkyl-substituted, diol being a substituted 1,3-propylene diol, exhibits good wear and frictional performance. 1. A lubricant composition comprising an oil of lubricating viscosity and a phosphite ester composition (A) , other than a zinc salt , which comprises the reaction product of(a) a monomeric phosphorous acid or an ester thereof with(b) at least two alkylene diols:a first alkylene diol (i) having two hydroxy groups in a 1,4 or 1,5 or 1,6 relationship;a second alkylene diol (ii) being an alkyl-substituted 1,3-propylene diol with one or more of the alkyl substituents thereof being on one or more of the carbon atoms of the propylene unit, the total number of carbon atoms in the alkyl-substituted 1,3-propylene diol being about 5 to about 12;wherein the relative molar amounts of monomeric phosphorous acid or ester thereof (a) and the total of the alkylene diols (b) are in a ratio of about 0.9:1.1 to about 1.1:0.9;wherein the relative molar amounts of the first alkylene diol (i) and the alkyl-substituted 1,3-propylene diol (ii) are in a ratio of about 30:70 to about 65:35; anda grease thickener.2. The lubricant composition of wherein the amount of the phosphite ester composition is about 0.001 to about 10 weight percent of the lubricant composition.3. The lubricant composition of wherein monomeric phosphorous ester comprises dimethyl phosphite.4. The lubricant composition of wherein the first alkylene diol comprises 1 claim 1 ,4-butanediol claim 1 , 1 claim 1 ,5-pentanediol claim 1 , or 1 claim 1 ,6-hexanediol.5. The lubricant composition of wherein the second alkylene diol comprises 2-ethyl-2-butylpropane-1 claim 1 ,3-diol claim 1 , 2-ethylhexane-1 claim 1 ,3-diol claim 1 , 2 claim 1 ,2-dibutylpropane-1 claim 1 ,3- ...

ALKOXYLATED PHOSPHATE ESTERS FOR LUBRICANT COMPOSITIONS

The present invention concerns a composition suitable for working and shaping metals, in particular providing a lubricating effect, including polymers of the following formula: [R—O(—CH(CH)—CHO—)(CH—CHO—)—]P(═O)(OH)in which: R is a linear or branched, preferably linear, saturated or unsaturated hydrocarbon group, comprising between 8 and 12 carbon atoms; n is a number, which may or may not be an integer, between 6 and 20; p is a number, which may or may not be an integer, between 4 and 25; and x is a number between 0 and 1, and in particular between 0.1 and 0.9. 2. The composition as claimed in claim 1 , wherein the R group is a saturated or monounsaturated alkyl group.4. The composition as claimed in claim 1 , wherein n is between 6.5 and 15.5. The composition as claimed in claim 1 , wherein p is between 4.5 and 20.6. The composition as claimed in claim 1 , wherein n is equal to 7.5 and p is equal to 5.8. A lubricating formulation for working or shaping metals comprising the composition according to .9. The lubricating formulation according to wherein the formulation is a lubricating formulation for cutting metals.10. The lubricating formulation according to wherein the formulation is a lubricating formulation for working or shaping aluminum.11. The composition according to claim 1 , wherein x is a number between 0.1 and 0.9.12. The composition according to claim 2 , wherein the R group is a linear claim 2 , saturated or monounsaturated alkyl group.13. The composition according to claim 4 , wherein n is between 7 and 10.14. The composition according to claim 5 , wherein p is between 4.5 and 10.15. The lubricating formulation according to claim 8 , wherein the lubricating formulation is a lubricating emulsion.16. The lubricating formulation according to wherein the formulation is a lubricating formulation for cutting aluminum. The present invention relates to additives for lubricating compositions intended for shaping and working metals, and more particularly the ...

Viscosity index improver and lubricating oil composition

The present invention aims to provide a viscosity index improver excellent in shear stability and having a low HTHS viscosity and a high viscosity index. The viscosity index improver of the present invention contains a (co)polymer (A) containing a polyolefin-based monomer as an essential monomer unit, and a base oil, wherein the absolute value of difference in solubility parameter between the (co) polymer (A) and the base oil is 0.8 to 2.0 (cal/cm 3 ) 1/2 .

Cyclic phosphazene compounds and use thereof as additives of perfluoropolyether oils

Cyclic phosphazene compounds of formula (I): wherein: Q is a cyclic compound of formula: A is an end group of the -OCF 2 X, -OC 2 F 4 X, -OC 3 F 6 X type, wherein X = F, Cl, H; R f and R' f are (per)fluoropolyoxyalkylene chains having a number average molecular weight in the range 280-5,000.

一种沥青型钢丝绳表面脂

本发明提供一种沥青型钢丝绳表面脂，由下列成分组成：沥青或改性沥青85～90％，结晶细化剂5～10％，粘度改进剂1～3％，防锈添加剂1～5％。本发明具有极好的耐低温性能，可以保证产品在严寒地区也可以正常使用；同时具有极好的耐高温性能，即使在80℃的高温条件下也不会流淌或滴落；对钢丝绳表面有极高的粘附力，不会因为拖、拉、甩等外力导致表面脂流失；防锈效果极佳，耐盐雾试验超过500h。

Procedimiento para preparar una composición de lubricante sólida

Procedimiento para preparar una composición de lubricante sólida para su utilización en composiciones de polvos metalúrgicos, que comprende las etapas siguientes: hacer reaccionar entre aproximadamente el 90% y aproximadamente el 99% en peso de un polialquilenglicol con entre aproximadamente el 10% y aproximadamente el 1% en peso de un reactivo funcionalizado durante un periodo comprendido entre aproximadamente 0, 5 y aproximadamente 15 horas a una temperatura comprendida entre aproximadamente 65 y aproximadamente 130 grados centígrados para formar un producto de reacción; y enfriar el producto de reacción para obtener un sólido.

Thermoplastic compatible conveyor lubricant

A thermoplastic compatible lubricant concentrate containing alkylpolyglycoside suitable for use in lubricating conveyor belts in the transporting of thermoplastic article of manufacture. The hydrophobic group of the alkylpolyglycoside is a long chain alkyl group having 5 to 30 carbon atoms. The degree of polymerization of the saccharide units in the polyglycoside is less than 3.

CONCENTRATED LUBRICANT COMPOSITION, LUBRICANT THAT RESULTS FROM ITS DILUTION AND METHOD

Una composición lubricante concentrada, lubricante que resulta de su dilución y método para su utilización. El lubricante incluye compuestos aminade fórmula R1 - O - R2 -NH2; R1 - O - R2 -NH - R3 - NH2 y mezclas de los mismos, donde R1 puede seruna alquilo lineal saturado o no saturado C6-C18, R2puede ser un alquilo lineal o ramificado C1-C8, y R3 puede ser un alquilo lineal o ramificado C1-C8 y un inhibidor de corrosión. La composiciónlubricante incluye preferiblemente un ácidopolicarboxílico como inhibidor de corrosión. La composición también puede incluir un hidrotropo, estabilizador, y un agente tensioactivo para proveer detergencia a la composición cuando es diluida y utilizada. La invención también incluye unasolución lubricante queresulta de la dilución de este concentrado. A concentrated lubricating composition, lubricant that results from its dilution and method for its use. The lubricant includes amine compounds formula R1-O-R2-NH2; R1 - O - R2 - NH - R3 - NH2 and mixtures thereof, where R1 can be a C6-C18 saturated or unsaturated linear alkyl, R2 can be a C1-C8 linear or branched alkyl, and R3 can be a linear or C1-C8 branched and a corrosion inhibitor. The lubricating composition preferably includes a polycarboxylic acid as a corrosion inhibitor. The composition may also include a hydrotrope, stabilizer, and a surfactant to provide detergency to the composition when diluted and used. The invention also includes a lubricating solution resulting from dilution of this concentrate.

A kind of lubricant oil composite viscosity index improver

本发明公开了一种润滑油组合物粘度指数改进剂的制备方法，包括聚合型聚酰胺‑胺型树枝状高分子(PAMAM)衍生物的制备、将经过步骤1)制备得到的聚合型聚酰胺‑胺型树枝状高分子(PAMAM)衍生物溶解于二甲亚砜中，并向其中加入二甲基乙烯基膦酸酯、甲基丙烯酸甲酯和引发剂，在50‑60℃下，氮气或惰性气体气氛下聚合反应1‑2小时，然后在丙酮中沉出，过滤，用乙醚洗5‑8次，后置于60‑80℃的真空干燥箱中烘14‑20小时等步骤；该发明公开的一种润滑油组合物粘度指数改进剂价格低廉，对润滑油粘温性能改善明显，能够适应高档大跨度多级别的润滑油对低温动力粘度、边界泵送温度要求。

Mixed phosphorus acid esters for lubricant applications

Water-based hydraulic fluids

Substantially oil-free aqueous industrial fluids possess superior lubricating and wear preventing characteristics and are useful as hydraulic fluids and metalworking compositions. Fluids of the invention comprise (1) an aqueous liquid and (2) a water-soluble synthetic addition copolymer of (a) an ethylenically unsaturated crosslinking monomer, (b) an ethylenically unsaturated water-soluble monomer, and (c) an ethylenically unsaturated water-insoluble monomer. The industrial fluids exhibit good Newtonian behavior and mechanical stability at high shear.

CYCLIC PHOSFAZENIC COMPOUNDS AND THEIR USE AS ADDITIVES OF PERFLUOROPOLYEREAL OILS

High-temperature-resistant perfluoropolyether lubricating grease

本发明公开了一种耐高温全氟聚醚润滑脂，该润滑脂包括以下组分及重量含量百分比：含氟基础油40～90％、稠化剂10～60％、添加剂0.1～5％，其中所用添加剂为K型全氟聚醚衍生物。该润滑脂在300℃以上的高温条件下可以长期润滑，也可以在高压、高真空、强酸碱等极其苛刻的环境中持续润滑，可用于齿轮、轧辊轴承、烧结轴承、电动机、齿轮箱、阀门等。

Refrigerator oil, refrigerator oil composition, and refrigerator

Slipperiness imparting agent and method for imparting slipperiness

本發明提供一種滑性賦予劑，其能夠賦予基材具有耐久性的滑性(特別是濕潤時滑性)。本發明的發明人們發現，含有共聚物的滑性賦予劑能夠藉由光照射這種簡單方法，賦予基材表面具有耐久性的滑性，從而完成了本發明。所述共聚物，含有基於2-甲基丙烯醯氧基乙基磷酸膽鹼的結構單元(A)與基於含光反應性官能團單體的結構單元(B)；或含有基於2-甲基丙烯醯氧基乙基磷酸膽鹼的結構單元(A)、基於含光反應性官能團單體的結構單元(B)、以及基於含疏水性基團單體的結構單元(C)的聚合物的滑性賦予劑。

Lubricant composition with phosphorus-functionalized polymers

The present invention relates to a lubricant composition comprising at least one polyalkyl(meth)acrylate including repeating units derived from (meth)acrylates having 6 to 22 carbon atoms in the alcohol radical, wherein the polyalkyl(meth)acrylate includes repeating units derived from ethylenically unsaturated monomers having at least one covalently bonded phosphorus atom. The present invention further relates to a polyalkyl(meth)acrylate suitable for such a lubricant composition and to the use of a polyalkyl(meth)acrylate having repeating units derived from ethylenically unsaturated monomers having at least one covalently bonded phosphorus atom for reducing friction.

LUBRICANTS FOR A CONVEYOR DEVICE BASED ON ALKYL THERAMINE WITH CORROSION INHIBITORS.

Alkyl ether amine conveyor lubricant containing corrosion inhibitors

本发明涉及润滑剂浓缩物组合物,应用溶液以及使用方法。该润滑剂含有结构式为R 1 －O－R 2 －NH 2 、R 1 －O－R 2 －NH－R 3 －NH 2 的胺类化合物及其混合物,其中R 1 是直链C 6 －C 18 烷基,R 2 是直链或支链C 1 －C 8 烷基,R 3 是直链的C 1 －C 8 烷基;以及腐蚀抑制剂。该润滑剂组合物优选含有多元羧酸作为腐蚀抑制剂。该组合物还可以含有水溶助长剂、稳定剂、以及使组合物在稀释和使用时产生消毒作用的表面活性剂。本发明还包括稀释该浓缩物得到的润滑剂应用溶液。

Automotive transmission lubricating composition.

La présente invention concerne une composition lubrifiante comprenant au moins une huile de base et au moins un polymère phosphite de formule (I) : dans laquelle, - chacun des R1, R2, R3 et R4 peuvent être choisis indépendamment les uns des autres parmi les groupements C1-C20 alkyle, C3-C22 alkényle, C6-C40 cycloalkyle, C7-C40 cycloalkényle, C1-20 méthoxy alkyl glycol éthers et Y-OH; - Y est choisi parmi les groupements C2-C40 alkylène, C2-C40 alkyl lactone, -R7-N(R8)-R9-, dans lequel R7, R8 et R9 sont indépendamment les uns des autres choisis parmi hydrogène, C1-C20 alkyle, C3-C22 alkényle, C6-C40 cycloalkyle, C7-C40 cycloalkényle, C1-20 méthoxy alkyl glycol éthers, - m est un entier allant de 2 à 100, - n est un entier allant de 1 à 1000. Figure pour l’abrégé : Néant The present invention relates to a lubricating composition comprising at least one base oil and at least one phosphite polymer of formula (I): in which, - each of R1, R2, R3 and R4 can be chosen independently of each other from the groups C1-C20 alkyl, C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers and Y-OH; - Y is chosen from the groups C2-C40 alkylene, C2-C40 alkyl lactone, -R7-N(R8)-R9-, in which R7, R8 and R9 are independently of each other chosen from hydrogen, C1-C20 alkyl , C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers, - m is an integer ranging from 2 to 100, - n is an integer ranging from 1 to 1000. Figure for the abbreviated: Nil

NON-POLLUTANT REACTIVE COMPOUND FOR COATING METALS, TO PROTECT THEM FROM CORROSION AND TO FACILITATE MECHANICAL DEFORMATION

New dendrimers with phosphonic terminal groups used in surface treatment compositions and as anti-corrosion, lubricant, anti-scale and fire retardant agents

La présente demande concerne de nouveaux dendrimères à terminaisons monophosphoniques ou diméthylphosphonates, ainsi que leur procédé de préparation et leurs utilisations.

NON-POLLUTING REACTIVE COMPOUND FOR COATING METALS TO PROTECT THEM FROM CORROSION AND TO FACILITATE THEIR MECHANICAL DEFORMATION

The invention concerns a composition for preparing metal products designed to be shaped by at least one mechanical process of plastic deformation such as wire drawing, rolling, calendering, forging, swaging and the like, without notable shrinkage of substance. The invention is characterised in that it comprises a film-forming binder, at least an additive reactive with the metal, at least a lubricating additive and at least an anticorrosive additive. The invention also concerns a method for preparing said metal products using the claimed composition.

Phosphonate adducts of olefinic lubricants having enhanced properties

Oligomers of C6-C20 alpha-olefins, such a 1-decene, with branch ratios below 0.19 and high viscosity indices (HVI) can be funtionalized to provide unique phosphite derivatives. Functionalized polyalpha-olefin (HVI-PAO) lubricant compositions with superior properties are prepared by adding functionalized organophosphites to the terminal olefinic bond of HVI-PAO. The invention encompasses a process for the preparation of lubricant range hydrocarbons containing phosphonate functional groups, the process comprising: reacting olefinic C30+ polyalpha-olefin oligomers having a branch ratio of less than 0.19 and phosphite ester in a mixture with a peroxide catalyst at elevated temperature whereby phosphite ester adduct of the polyalpha-olefin is formed; and separating the reaction mixture products and recovering the adduct.

ALCOXYLATED PHOSPHATE ESTERS FOR LUBRICATING COMPOSITIONS

La présente invention concerne une composition adaptée pour le travail et la mise en forme des métaux, assurant notamment un effet de lubrification, incluant des polymères répondant à la formule (I) ci-dessous : [R-0(-CH(CH3)-CH20-)n(CH2-CH2O-)p-]1+x P(=O)(OH)2-x (I) où : R est un groupe hydrocarboné, saturé ou insaturé, linéaire ou ramifié, et de préférence linéaire, comprenant de 8 à 12 atomes de carbone n est un nombre, entier ou non, compris entre 6 et 20 p est un nombre, entier ou non, compris entre 4 et 25 x est un nombre compris entre 0 et 1, notamment entre 0,1 et 0,9. The present invention relates to a composition suitable for working and shaping metals, ensuring in particular a lubricating effect, including polymers corresponding to formula (I) below: [R-0(-CH(CH3)- CH20-)n(CH2-CH2O-)p-]1+x P(=O)(OH)2-x (I) where: R is a hydrocarbon group, saturated or unsaturated, linear or branched, and preferably linear , comprising from 8 to 12 carbon atoms n is a number, integer or not, between 6 and 20 p is a number, integer or not, between 4 and 25 x is a number between 0 and 1, in particular between 0 .1 and 0.9.

Composition containing a block copolymer and a method of lubricating an internal combustion engine

本发明提供一种含具有具有润滑粘度的油和嵌段共聚物的润滑组合物。嵌段共聚物可含有(a)具有C 1-30 烷基(甲基)丙烯酸单元的疏水第一嵌段，其中至少50重量％的C 1-30 烷基(甲基)丙烯酸单元为C 12-15 烷基(甲基)丙烯酸单元，且至多50重量％的C 1-30 烷基(甲基)丙烯酸单元为C 16-20 烷基(甲基)丙烯酸单元，条件是C 1-30 烷基(甲基)丙烯酸单元的烷基具有至少8的平均总碳原子数；和(b)具有进一步具有提供极性基团的含杂原子的基团的(甲基)丙烯酸单元的第二嵌段。本发明进一步涉及一种通过用润滑组合物润滑发动机的润滑内燃机的方法。本发明进一步涉及嵌段共聚物作为乳化剂和/或倾点下降剂的用途。

Lubricating Oil Composition

Oxidation stable automotive transmission lubricant composition.

La présente invention concerne une composition lubrifiante comprenant au moins une huile de base, au moins un dispersant boré, au moins deux antioxydants choisis parmi les antioxydants aminés, les antioxydants phénoliques substitués par un ou plusieurs groupements alkyles linéaires ou ramifiés présentant de 1 à 30 atomes de carbone, et leurs mélanges, et au moins un polymère phosphite de formule (I) : dans laquelle, - chacun des R1, R2, R3 et R4 peuvent être choisis indépendamment les uns des autres parmi les groupements alkyle en C1-C20, alkényle en C3-C22, cycloalkyle en C6-C40, cycloalkényle en C7-C40, méthoxy alkyl glycol éthers en C1-20 et Y-OH; - Y est choisi parmi les groupements alkylène en C2-C40, alkyl lactone en C2-C40, -R7-N(R8)-R9-, dans lequel R7, R8 et R9 sont indépendamment les uns des autres choisis parmi hydrogène, alkyle en C1-C20, alkényle en C3-C22, cycloalkyle en C6-C40, cycloalkényle en C7-C40, méthoxy alkyl glycol éthers en C1-20, - m est un entier allant de 2 à 100, - n est un entier allant de 1 à 1000. Figure pour l’abrégé : Néant The present invention relates to a lubricating composition comprising at least one base oil, at least one boron dispersant, at least two antioxidants chosen from amino antioxidants, phenolic antioxidants substituted by one or more linear or branched alkyl groups having from 1 to 30 carbon atoms. carbon, and mixtures thereof, and at least one phosphite polymer of formula (I): in which, - each of R1, R2, R3 and R4 can be chosen independently of one another from C1-C20 alkyl, alkenyl C3-C22, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers and Y-OH; - Y is chosen from C2-C40 alkylene, C2-C40 alkyl lactone, -R7-N(R8)-R9-, in which R7, R8 and R9 are independently of each other chosen from hydrogen, C2-C40 alkyl C1-C20, C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers, - m is an integer ranging from 2 to 100, - n is an integer ranging from 1 to 1000. ...

DISPERSIONS OF HALIDES OF RARE EARTHS IN OILY ENVIRONMENTS

La présente invention a pour objet des dispersions d'halogénures de terres rares, en milieu huileux et leur procédé de préparation. Les dispersions d'halogénures de terres rares en milieu huileux de l'invention, sont caractérisées par le fait qu'elles comprennent au moins un halogénure de terre rare, une base d'huile et au moins un agent tensio-actif comportant une partie hydrophobe et une partie hydrophile constituée par des motifs d'oxyde d'éthylène et/ou d'oxyde de propylène et, éventuellement, un groupe fonctionnel hydrophile.

Lubricating composition

Oxidation stable automotive transmission lubricant composition.

La présente invention concerne une composition lubrifiante comprenant au moins une huile de base, au moins un dispersant boré, au moins deux antioxydants choisis parmi les antioxydants aminés, les antioxydants phénoliques substitués par un ou plusieurs groupements alkyles linéaires ou ramifiés présentant de 1 à 30 atomes de carbone, et leurs mélanges, et au moins un polymère phosphite de formule (I) : dans laquelle, - chacun des R1, R2, R3 et R4 peuvent être choisis indépendamment les uns des autres parmi les groupements alkyle en C1-C20, alkényle en C3-C22, cycloalkyle en C6-C40, cycloalkényle en C7-C40, méthoxy alkyl glycol éthers en C1-20 et Y-OH; - Y est choisi parmi les groupements alkylène en C2-C40, alkyl lactone en C2-C40, -R7-N(R8)-R9-, dans lequel R7, R8 et R9 sont indépendamment les uns des autres choisis parmi hydrogène, alkyle en C1-C20, alkényle en C3-C22, cycloalkyle en C6-C40, cycloalkényle en C7-C40, méthoxy alkyl glycol éthers en C1-20, - m est un entier allant de 2 à 100, - n est un entier allant de 1 à 1000. Figure pour l’abrégé : Néant The present invention relates to a lubricating composition comprising at least one base oil, at least one boron dispersant, at least two antioxidants chosen from amino antioxidants, phenolic antioxidants substituted by one or more linear or branched alkyl groups having from 1 to 30 carbon atoms. carbon, and mixtures thereof, and at least one phosphite polymer of formula (I): in which, - each of R1, R2, R3 and R4 can be chosen independently of one another from C1-C20 alkyl, alkenyl C3-C22, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers and Y-OH; - Y is chosen from C2-C40 alkylene, C2-C40 alkyl lactone, -R7-N(R8)-R9-, in which R7, R8 and R9 are independently of each other chosen from hydrogen, C2-C40 alkyl C1-C20, C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers, - m is an integer ranging from 2 to 100, - n is an integer ranging from 1 to 1000. ...

Automotive transmission lubricating composition with improved anti-corrosion properties.

La présente invention concerne une composition lubrifiante comprenant au moins une huile de base, au moins un dispersant et au moins un polymère phosphite de formule (I) : dans laquelle, - chacun des R1, R2, R3 et R4 peuvent être choisis indépendamment les uns des autres parmi les groupements alkyle en C1-C20, alkényle en C3-C22, cycloalkyle en C6-C40, cycloalkényle en C7-C40, méthoxy alkyl glycol éthers en C1-20 et Y-OH ; - Y est choisi parmi les groupements alkylène en C2-C40, alkyl lactone en C2-C40, -R7-N(R8)-R9-, dans lequel R7, R8 et R9 sont indépendamment les uns des autres choisis parmi hydrogène, alkyle en C1-C20, alkényle en C3-C22, cycloalkyle en C6-C40, cycloalkényle en C7-C40, méthoxy alkyl glycol éthers en C1-20, - m est un entier allant de 2 à 100, - n est un entier allant de 1 à 1000. Figure pour l’abrégé : Néant The present invention relates to a lubricating composition comprising at least one base oil, at least one dispersant and at least one phosphite polymer of formula (I): in which, - each of R1, R2, R3 and R4 can be chosen independently of each other others from C1-C20 alkyl, C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers and Y-OH; - Y is chosen from C2-C40 alkylene, C2-C40 alkyl lactone, -R7-N(R8)-R9-, in which R7, R8 and R9 are independently of each other chosen from hydrogen, C2-C40 alkyl C1-C20, C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers, - m is an integer ranging from 2 to 100, - n is an integer ranging from 1 to 1000. Figure for abstract: None

Automotive transmission lubricating composition with improved anti-corrosion properties.

La présente invention concerne une composition lubrifiante comprenant au moins une huile de base, au moins un dispersant et au moins un polymère phosphite de formule (I) : dans laquelle, - chacun des R1, R2, R3 et R4 peuvent être choisis indépendamment les uns des autres parmi les groupements alkyle en C1-C20, alkényle en C3-C22, cycloalkyle en C6-C40, cycloalkényle en C7-C40, méthoxy alkyl glycol éthers en C1-20 et Y-OH ; - Y est choisi parmi les groupements alkylène en C2-C40, alkyl lactone en C2-C40, -R7-N(R8)-R9-, dans lequel R7, R8 et R9 sont indépendamment les uns des autres choisis parmi hydrogène, alkyle en C1-C20, alkényle en C3-C22, cycloalkyle en C6-C40, cycloalkényle en C7-C40, méthoxy alkyl glycol éthers en C1-20, - m est un entier allant de 2 à 100, - n est un entier allant de 1 à 1000. Figure pour l’abrégé : Néant The present invention relates to a lubricating composition comprising at least one base oil, at least one dispersant and at least one phosphite polymer of formula (I): in which, - each of R1, R2, R3 and R4 can be chosen independently of each other others from C1-C20 alkyl, C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers and Y-OH; - Y is chosen from C2-C40 alkylene, C2-C40 alkyl lactone, -R7-N(R8)-R9-, in which R7, R8 and R9 are independently of each other chosen from hydrogen, C2-C40 alkyl C1-C20, C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers, - m is an integer ranging from 2 to 100, - n is an integer ranging from 1 to 1000. Figure for abstract: None

ALCOXYLATED PHOSPHATE ESTERS FOR LUBRICATING COMPOSITIONS

La présente invention concerne une composition adaptée pour le travail et la mise en forme des métaux, assurant notamment un effet de lubrification, incluant des polymères répondant à la formule (I) ci-dessous : [R-0(-CH(CH3)-CH20-)n(CH2-CH2O-)p-]1+x P(=O)(OH)2-x (I) où : R est un groupe hydrocarboné, saturé ou insaturé, linéaire ou ramifié, et de préférence linéaire, comprenant de 8 à 12 atomes de carbone n est un nombre, entier ou non, compris entre 6 et 20 p est un nombre, entier ou non, compris entre 4 et 25 x est un nombre compris entre 0 et 1, notamment entre 0,1 et 0,9. The present invention relates to a composition suitable for working and shaping metals, including ensuring a lubricating effect, including polymers of formula (I) below: [R-O (-CH (CH3) - CH 2 O- (CH 2 -CH 2 O-) p-] 1 + x P (= O) (OH) 2-x (I) where: R is a hydrocarbon group, saturated or unsaturated, linear or branched, and preferably linear , comprising from 8 to 12 carbon atoms n is a number, integer or not, between 6 and 20 p is a number, whole or not, between 4 and 25 x is a number between 0 and 1, especially between 0 , 1 and 0.9.

Thermoplastic compatible lubricant for plastic conveyor systems

A method of lubricating plastic conveyor tracks or belts is herein described wherein the lubricant composition contains a block copolymer of ethylene oxide and propylene oxide; also described are methods of manufacture of such lubricant compositions in both concentrate and diluted form. The compositions may also comprise an anionic and a nonionic surfactant as well as a neutralizing agent.

Patent JPS5122741A

HALOGENIDISPERSIONER AV SAELLSYNTA JORDMETALLER I VATTENMEDIUM.

Phosphorylated dispersants in fluids for electric vehicles

The present disclosure relates to a lubricating fluid for an electric motor system and a method of lubricating gears and cooling a motor in an electric motor system. In particular, the disclosed technology relates to a lubricating fluid, for use in electric motor vehicle, comprising an oil of lubricating viscosity and at least one phosphorylated dispersant exhibiting increased resistivity after aging.

New phosphorus polymer compounds

Polyoxyalkylene phosphonates and improved process for their synthesis

A process for preparing polyoxyalkylene phosphonates in high yield and purity without extensive isolation procedures. The process also enables hydroxy terminated polyoxyalkylene phosphonates to be produced with their attendant high aqueous solubility and the availability of the reactive group to have the end functionality easily molecularly modified. Products produced by these processes have enhanced dispersion, coating, adhesion, and plasticizing characteristics as a result of the lack of any steric hinderance of these polyoxyalkylene phosphonates.

Novel lubricating oils and greases

The present invention relates to additives for lubricating oils and greases which endow said lubricating oils and greases with extremely good performance characteristics under boundary lubrication conditions. Such additives are derivatives of monofunctional or difunctional perfluoropolyethers constituted by mercaptans, sulfides, disulfides, phosphines, phosphine-oxides and phosphoric acid triesters.

Reduced ash content lubricants

REDUCED ASH CONTENT LUBRICANTS Abstract of the Disclosure A reduced metal content lubricant contains the reaction product of a phosphosulfurized polyalkene and an amine, a polyalkene substituted phenol, and,optionally, a polyalkene sulfonate.

Continuously variable transmission oil composition having improved fuel efficiency and durability

The present disclosure relates to a continuously variable transmission oil composition containing a base oil containing a metallocene polyalpha olefin (mPAO) polymerized with a metallocene catalyst, a viscosity controlling agent containing Polybutadiene hydrogen phosphate Comb Polymethacrylate, and a clean dispersant, and contains mPAO and PHP Comb PMA, which have not been used previously, at a specific ratio to maximize the reduction in low-temperature viscosity while effectively forming an oil film, thereby enhancing fuel efficiency, and at the same time, enhancing durability of a transmission by increasing viscosity.

Novel lubricating oils and greases

The present invention relates to additives for lubricating oils and greases which endow said lubricating oils and greases with extremely good performance characteristics under boundary lubrication conditions. Such additives are derivatives of monofunctional or difunctional perfluoropolyethers constituted by mercaptans, sulfides, disulfides, phosphines, phosphine-oxides and phosphoric acid triesters.

Lubricants with phosphorus fonctionalized polymers

Composition containing a block copolymer and a method of lubricating an internal combustion engine

The invention provides a lubricating composition containing an oil of lubricating viscosity and a block copolymer. The block copolymer may contain (a) a hydrophobic first block having C1-30 alkyl (meth)acrylic units, wherein at least 50 wt % of the C1-30 alkyl (meth)acrylic units are C12-15 alkyl (meth)acrylic units, and up to 50 wt % of the C1-30 alkyl (meth)acrylic units are C16 20 alkyl (meth)acrylic units, with the proviso that alkyl groups of the C1-30 alkyl (meth)acrylic units have an average total number of carbon atoms of at least 8; and (b) a second block having (meth)acrylic units further having a heteroatom-containing group providing a polar group. The invention further relates to a method of lubricating an internal combustion engine by lubricating the engine with the lubricating composition. The invention further relates to the use of the block copolymer as an emulsifier and/or pour point depressant.

Lubricant composition for automotive transmissions having improved anti-corrosion properties

본 발명은 윤활제 조성물에 관한 것으로서, 적어도 하나의 베이스 오일(base oil), 적어도 하나의 분산제, 적어도 하나의 식 (I)의 포스파이트 폴리머를 포함하고: [화학식 1] 여기서, R 1 , R 2 , R 3 및 R 4 는 각각 독립적으로 다음 기들 중에서 선택될 수 있고: C 1 -C 20 알킬, C 3 -C 22 알케닐, C 6 -C 40 시클로알킬, C 7 -C 40 시클로알케닐, C 1 - 20 메톡시 알킬 글리콜 에테르 및 Y-OH; Y는 다음 기들 중에서 선택되고: C 2 -C 40 알킬렌, C 2 -C 40 알킬 락톤, -R 7 -N(R 8 )-R 9 -, 여기서 R 7 , R 8 및 R 9 는 각각 독립적으로 수소, C 1 -C 20 알킬, C 3 -C 22 알케닐, C 6 -C 40 시클로알킬, C 7 -C 40 시클로알케닐, C 1 - 20 메톡시 알킬 글리콜 에테르 중에서 선택되고; m은 2 내지 100의 정수이고, n은 1 내지 1000의 정수인 윤활제 조성물에 관한 것이다.

Method for controlling viscosity of organic liquids

ABSTRACT OF THE DISCLOSURE A method for controlling the viscosity of organic liquids, said organic liquids having a solubility parameter of from about 6.0 to about 10.5, which comprises incorporating in said organic liquid a minor amount of an ionomeric polymer and polar cosolvent having a solubility parameter of from about 10 to 20, the solubility parameter of said solvent being at least 1.0 unit higher than the solubility parameter of said organic liquid.

Lubricant for metal cold working

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Refrigeration equipment

Metal working lubricating composition

The invention relates to a lubricating composition for the manufacture and surface treatment of metallic pipe, wire, sheet and so on. The composition of the invention contains a high molecular compound having a weight average molecular weight of not less than 10,000 which is obtainable by reacting a polyalkylene oxide compound available on addition-polymerization of an ethylene oxide-containing alkylene oxide and an organic compound having two active hydrogen groups with a polycarboxylic acid or the corresponding anhydride or lower alkyl ester or a diisocyanate. The composition forms a highly lubricating film, and since this film is readily soluble in water and organic solvents, residues of the lubricating composition on the treated surface can be easily dissolved off after metal working.

Mixed phosphorus esters for lubricant applications

A lubricant composition of an oil of lubricating viscosity and a phosphite ester reaction product of a monomeric phosphorous acid or an ester thereof with a first alkylene diol having two hydroxy groups in a 1,4 or 1,5 or 1,6 relationship and a second, alkyl-substituted, diol being a substituted 1,3-propylene diol, exhibits good wear and frictional performance.

Reduced ash content lubricants

Lubricating compositions for heavy duty diesel engines

Lubricating compositions containing a phosphorus-containing salt of an acylated ethylene-a-olefin polymer substituted with an aliphatic polyamine having at least one primary or secondary amine, the lubricating composition having a total phosphorus content in an amount of 200 ppm to 600 ppm by weight of the lubricating composition. The phosphorus-containing salt additive described herein can be used as an anti-wear agent in lubricating composition for diesel engines.

Friction regulator for lubricating oil and lubricating oil composition

本发明提供由含有用通式(1)表示的至少一种单体(a)以及用通式(2)表示的至少一种单体(b)，且重均分子量大于或等于3000的油溶性共聚物(A)所形成的润滑油用摩擦调整剂；由上述共聚物(A)和从稀释剂和其他添加剂中至少选择一种共同形成的摩擦调整剂组合物；由基油和上述摩擦调整剂或摩擦调整剂组合物形成的润滑油组合物。以上物质不仅摩擦调整效果优良，能够减弱变速引起的振动，而且动力传送所需要的摩擦系数大，耐磨损性优良。

Alkyl ether amine deriving surface activating agent and preparation method thereof

本发明涉及如化学结构式I、II和III所示的烷基胺醚衍生表面活性剂，其中，R 1 ，R 2 分别选自C 4 ～C 22 中直链或支链的饱和烃基或不饱和烃基，其中  R 1 ，R 2 相同或不同；a＝0～100，b＝0～100，均为整数，a，b不能同时为0。还涉及一种制备烷基胺醚衍生表面活性剂的方法：首先，仲胺醚与氯乙酸盐在金属的氢氧化物下进行反应，生成仲胺醚羧酸盐；然后，用盐酸对所述仲胺醚羧酸盐进行酸化，分离所得产物，得到胺醚羧酸，或由仲胺醚与五氧化二磷进行磷酸酯化得到仲胺醚的单酯和双酯。根据胺醚烷基、EO，PO加成数不同，从分子结构上调整最终所得的表面活性剂的性能。本发明合成方法简便、易操作、对环境危害小。 式Ⅰ仲胺醚羧酸 式II仲胺醚磷酸双酯

Dispersions of halides in an oil medium

Novel lubricant compositions contain at least one rare earth halide, e.g., cerium trifluoride, and at least one surfactant including a hydrophobic moiety and a hydrophilic moiety, such hydrophilic moiety comprising ethylene oxide and/or propylene oxide units and, optionally, hydrophilic functional groups, dispersed in an oily medium compatible therewith.

Automotive transmission lubricating composition.

La présente invention concerne une composition lubrifiante comprenant au moins une huile de base et au moins un polymère phosphite de formule (I) : dans laquelle, - chacun des R1, R2, R3 et R4 peuvent être choisis indépendamment les uns des autres parmi les groupements C1-C20 alkyle, C3-C22 alkényle, C6-C40 cycloalkyle, C7-C40 cycloalkényle, C1-20 méthoxy alkyl glycol éthers et Y-OH; - Y est choisi parmi les groupements C2-C40 alkylène, C2-C40 alkyl lactone, -R7-N(R8)-R9-, dans lequel R7, R8 et R9 sont indépendamment les uns des autres choisis parmi hydrogène, C1-C20 alkyle, C3-C22 alkényle, C6-C40 cycloalkyle, C7-C40 cycloalkényle, C1-20 méthoxy alkyl glycol éthers, - m est un entier allant de 2 à 100, - n est un entier allant de 1 à 1000. Figure pour l’abrégé : Néant The present invention relates to a lubricating composition comprising at least one base oil and at least one phosphite polymer of formula (I): in which, - each of R1, R2, R3 and R4 can be chosen independently of each other from the groups C1-C20 alkyl, C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers and Y-OH; - Y is chosen from the groups C2-C40 alkylene, C2-C40 alkyl lactone, -R7-N(R8)-R9-, in which R7, R8 and R9 are independently of each other chosen from hydrogen, C1-C20 alkyl , C3-C22 alkenyl, C6-C40 cycloalkyl, C7-C40 cycloalkenyl, C1-20 methoxy alkyl glycol ethers, - m is an integer ranging from 2 to 100, - n is an integer ranging from 1 to 1000. Figure for the abbreviated: Nil

The mixing phosphide applied for lubricant

润滑剂组合物，包含具有润滑粘度的油的和单体亚磷酸或其酯与第一亚烷基二醇和第二烷基取代的二醇的亚磷酸酯反应产物，其中第一亚烷基二醇具有1,4或1,5或1,6关系的两个羟基，第二烷基取代的二醇为取代的1,3‑丙二醇，表现出良好的磨损和摩擦性能。

CORROSION CONTROL BY NAPTENIC ACID WITH THIOPHOSPHORUS COMPOUNDS.

LA CORROSION DE SUPERFICIES METALICAS QUE CONTIENEN HIERRO EN UN FLUIDO DE HIDROCARBURO CON UNA TEMPERATURA DE UNOS 175 A 400°C Y QUE CONTIENE UNA CANTIDAD CORROSIVA DE ACIDO NAPTENICO SE INHIBE AÑADIENDOSE AL FLUIDO O A UNA MATERIA PRIMA DEL MISMO, EN CANTIDAD TOTAL ADITIVA SUFICIENTE PARA CONSEGUIR LA INHIBICION DE LA CORROSION EN DICHO FLUIDO, UNO O MAS COMPUESTOS DE TIOFOSFORO, UNA SAL DEL MISMO, UN ALQUILESTER O ARILESTER, UN ISOMERO SUYO, O ALGUNA COMBINACION DE LOS ANTERIORES, CON LO CUAL SE CONSIGUE LA INHIBICION DE LA CORROSION DEL FLUIDO INDUCIDA POR EL ACIDO NAPTENICO. THE CORROSION OF METAL SURFACES CONTAINING IRON IN A HYDROCARBON FLUID WITH A TEMPERATURE OF ABOUT 175 TO 400 ° C AND CONTAINING A CORROSIVE AMOUNT OF NAPTENIC ACID IS INHIBITED BY ADDING TO THE FLUID OR TO A SUFFICIENT PRIME SUBJECT MATTER THE INHIBITION OF CORROSION IN SUCH FLUID, ONE OR MORE THIOPHOSPHORUS COMPOUNDS, A SALT OF THE SAME, A RENT OR ARILESTER, A HIS ISOMER, OR SOME COMBINATION OF THE PREVIOUS, WITH WHICH THE INHIBITION OF THE FLUID OF THE CORROSION IS ACHIEVED FOR THE NAPTENIC ACID.

New phosphorus polymer compounds

Friction regulator for lubricating oil and lubricating oil composition

The present invention provides a friction modifier for a lubricating oil which comprises an oil-soluble copolymer (A) containing at least one unit of a monomer (a) represented by the general formula (1) and at least one unit of a monomer (b) represented by the general formula (2), and having a weight average molecular weight of 3,000 or more; CH 2 ═C(R 1 )-Q-(Z-A 1 ) m -X  (1) CH 2 ═C(R 3 )—CO—(O-A 2 ) n -OR 4   (2) a friction modifier composition comprising the above copolymer (A), and at least one species selected from the group consisting of a diluent and other additives; a lubricating oil composition comprising base oil, and the above friction modifier or friction modifier composition. These are excellent in the friction regulation effect, capable of reducing transmission shock, are high in the friction coefficient required for power transmission, and in addition, are excellent in wear resistance.

Lubricant composition for automobile transmission

본 발명은 윤활제 조성물에 관한 것으로서, 적어도 하나의 베이스 오일, 및 적어도 하나의 화학식 (I)의 포스파이트 폴리머를 포함하고: [화학식 1] 여기서, R 1 , R 2 , R 3 및 R 4 는 각각 독립적으로 C 1 -C 20 알킬, C 3 -C 22 알케닐, C 6 -C 40 시클로알킬, C 7 -C 40 시클로알케닐, C 1 - 20 메톡시 알킬 글리콜 에테르 및 Y-OH로부터 선택될 수 있고; Y는 C 2 -C 40 알킬렌, C 2 -C 40 알킬 락톤 기; -R 7 -N(R 8 )-R 9 - 로부터 선택되고, 여기서 R 7 , R 8 및 R 9 는 각각 독립적으로 수소, C 1 -C 20 알킬, C 3 -C 22 알케닐, C 6 -C 40 시클로알킬, C 7 -C 40 시클로알케닐, C 1 -C 20 메톡시 알킬 글리콜 에테르로부터 선택되고; m은 2 내지 100의 정수이고, n은 1 내지 1000의 정수인 윤활제 조성물에 관한 것이다.

Reduced ash content lubricants

A reduced metal content lubricant contains the reaction product of a phosphosulfurized polyalkene and an amine, a polyalkene substituted phenol, and, optionally, a polyalkene sulfonate.

AURAL DISPERSIONS OF RARE EARTH ELEMENT HALOGENIDES.

Novel aqueous lubricant dispersions contain at least one rare earth halide, e.g., cerium trifluoride, and at least one polymeric dispersing agent therefor, such at least one dispersing agent including: (a) a copolymer of an ethylenically unsaturated carboxylic acid or derivative thereof with an alpha -olefin comonomer and/or a vinyl comonomer; (b) a homopolymer or copolymer of an ethylenically unsaturated carboxylic acid or derivative thereof; (c) a copolymer of at least one ethylenically unsaturated carboxylic acid and at least one ethylenically unsaturated sulfonic acid comonomer; and/or (d) a polymer of an alkylene oxide of an (arylalkyl)phenol, or phosphated or sulfated derivative thereof.

Aqueous metal coating composition and process with reduced staining and corrosion

A combination of sulfur-free azoles, preferably benzotriazole and tolyltriazole, with sulfur-containing azoles, preferably 2-mercaptobenzothiazole or mercaptobenzimidazole, prevents discoloration, staining, or corrosion of metal surfaces being coated with an organic protective coating from aqueous dispersion or solution.

A kind of pitch shaped steel wire rope face grease

本发明提供一种沥青型钢丝绳表面脂，由下列成分组成：沥青或改性沥青85～90％，结晶细化剂5～10％，粘度改进剂1～3％，防锈添加剂1～5％。本发明具有极好的耐低温性能，可以保证产品在严寒地区也可以正常使用；同时具有极好的耐高温性能，即使在80℃的高温条件下也不会流淌或滴落；对钢丝绳表面有极高的粘附力，不会因为拖、拉、甩等外力导致表面脂流失；防锈效果极佳，耐盐雾试验超过500h。

Magnetic disk

本发明提供在10nm以下的极低上浮量下也能够防止静摩擦力故障、腐蚀故障等，具有耐热性优异且密合性高的润滑层的磁盘。此外，本发明提供具有温度特性良好的润滑层，在宽范围的温度条件下也显示出稳定的动作的磁盘。本发明的磁盘是在基板1上具有磁性层3和碳系保护层4和润滑层5的磁盘，上述润滑层5含有磁盘用润滑剂，该磁盘用润滑剂由一个分子中具有磷腈环和2个以上的羟基和/或羧基的化合物组成。

Iron treating oil compaition and lubricating method of machine tool using iron treating oil composition

Lubricating oil composition comprises 2-60 wt.% reaction product of a 16-24C dibasic acid with a piperazine compound, lubricating oil and emulsifier. The reaction product is produced by reacting 0.5-10 mol. piperazine compound with 1 mol. 16-24C dibasic acid at room temperaure to 200 deg.C for 5-120 mins.. The oil is used for lubricating sliding surfaces and metal working.

Thermoplastic compatible conveyor lubricant

A thermoplastic compatible lubricant concentrate containing alkylpolyglycoside suitable for use in lubricating conveyor belts in the transporting of thermoplastic article of manufacture. The hydrophobic group of the alkylpolyglycoside is a long chain alkyl group having 5 to 30 carbon atoms. The degree of polymerization of the saccharide units in the polyglycoside is less than 3.

Copolymers for protection of metals and/or lubrication

La présente invention concerne l'utilisation dans une composition protectrice et/ou lubrifiante pour le métal d'un copolymère obtenu par copolymérisation radicalaire d'un mélange comprenant :- des monomères m1 éthyléniquement insaturés et porteurs de groupes phosphorés, typiquement des phosphonates- des monomères m2 porteurs d'une chaîne hydrophobe. The present invention relates to the use in a protective and / or lubricating composition for the metal of a copolymer obtained by radical copolymerization of a mixture comprising: - ethylenically unsaturated monomers m1 carrying phosphorus groups, typically phosphonates- monomers m2 carrying a hydrophobic chain.

Powder metallurgy lubricants, compositions, and methods for using the same

The present invention relates to improved metallurgical powder compositions that incorporate solid lubricants, methods for preparing and using the same, and methods of making compacted parts. Ejection properties, such as stripping pressure and sliding pressure, of compacted parts can be improved by using the solid lubricants. The solid lubricants contain functionalized polyalkylene glycol lubricants that contain a phosphate group, phosphite group, hypophosphate group, hypophosphite group, polyphosphate group, thiophosphate group, dithiophosphate group, thiocarbamate group, dithiocarbamate group, borate group, thiosulfate group, sulfate group, a sulfonate group or combinations thereof.

Thermoplastic compatible lubricant for plastic conveyor system

Polymeric poly-phosphorus lubricant additives for metal working

A composition having a compound having the structure: wherein each R is an independently selected alkylphenol-free moiety that is a C1-20 alkyl, C2-22 alkenyl, C6-40 cycloalkyl, C7-40 cycloalkylene, C3-20 methoxy alkyl glycol ether, C3-20 alkyl glycol ether, or Y-OH moiety; wherein each Y is an independently selected alkylphenol-free moiety that is a C2-40 alkylene, C7-40 cycloalkylene, or C3-40 alkyl lactone moiety; wherein m is an integer ranging from 1 to 100; and wherein x is an integer ranging from 1 to 1000.

Mixed phosphorous esters for lubricant applications

润滑剂组合物，包含具有润滑粘度的油的和单体亚磷酸或其酯与第一亚烷基二醇和第二烷基取代的二醇的亚磷酸酯反应产物，其中第一亚烷基二醇具有1,4或1,5或1,6关系的两个羟基，第二烷基取代的二醇为取代的1,3‑丙二醇，表现出良好的磨损和摩擦性能。

Metalworking lubricant composition

Metal forming lubricant with differential solid lubricants

A metal forming lubricant suitable for extreme condition use is formulated to contain one or more differential solid lubricants composed of a high melt temperature, substantially halogen-free thermoplastic in addition to conventional lubricants such as organic phosphate esters and natural and synthetic polymer waxes. The lubricants offer superior performance while resisting the tendency to foul metal working dies with gummy deposits. Conductive films may be prepared by including from 0.01 weight percent to about 2.5 weight percent conductive carbon black in the formulation.

COPOLYMERS FOR USE IN PARTICULAR AS MULTIFUNCTIONAL LUBRICANT ADDITIVES AND COMPOSITIONS CONTAINING SAID COPOLYMERS

Cyclic phosphonate esters for lubricant applications

Lubricant compositions comprising (a) an oil of lubricating viscosity and (b) a phosphonate ester other than a zinc salt. The phosphonate ester may be the reaction product of (i) phosphonic acid or a monomeric ester thereof with (ii) a propanediol having hydroxy groups in both the 1 and 3 positions and one or more of the carbon atoms of the propyl units are substituted with one or more alkyl groups such that the total number of carbon atoms in the propanediol ranges from 4 to 12. The molar ratio of (i) to (ii) may be 0.9:1.1 to 1.1 to 0.9.

Lubrication oil, plastic lubricant, method for lubricating device having moving metal details and fluropolyesters

FIELD: additives for lubrication oils and plastic lubricants. SUBSTANCE: proposed additives are derivatives of monofunctional or difunctional perfluoropolyesters representing mercaptans, sulfides, disulfides, phosphines, phosphine oxides and triesters of phosphoric acid. EFFECT: improved operation characteristics of lubrication oils and plastic lubricants at interfacial conditions. 10 cl

Lubricating grease having a high water resistance

The invention relates to lubricating greases containing at least one thickening agent and at least one lubricating oil. The lubricating grease contains at least one polymeric structure improver that can be obtained by polymerizing monomer compositions comprised of: a) 0 to 40 % by weight, with regard to the weight of the monomer compositions for producing the polymer structure improvers, of at least one (meth)acrylate of formula (I), in which R represents hydrogen or methyl, R' represents a linear or branched alkyl radical with 1 to 5 carbon atoms; b) 40 to 99.99 % by weight, with regard to the weight of the monomer compositions for producing the polymeric structure improvers, of at least one (meth) acrylate of formula (II), in which R represents hydrogen or methyl and R2 represents a linear or branched alkyl radical with 6 to 30 carbon atoms; c) 0.01 to 20 % by weight, with regard to the weight of the monomer compositions for producing the polymeric structure improvers, of acid groups containing monomers or salts thereof, and; d) 0 to 59.99 % by weight, with regard to the weight of the monomer compositions for producing the polymeric structure improvers, of comonomers.

Mixed phosphorus esters for lubricant applications

具有润滑粘度的油和亚磷酸酯反应产物的润滑剂组合物表现出良好的磨损和摩擦性能，所述亚磷酸酯反应产物是单体亚磷酸或其酯与具有1,4或1,5或1,6关系的两个羟基的第一亚烷基二醇和取代1,3‑丙二醇形式的第二烷基取代二醇的反应产物。

Lubricant composition for motor vehicle transmission systems

本发明涉及一种润滑剂组合物，其包含至少一种基础油和至少一种式(I)的亚磷酸酯聚合物，其中：‑R 1 、R 2 、R 3 和R 4 各自可以独立地选自C 1 ‑C 20 烷基、C 3 ‑C 22 烯基、C 6 ‑C 40 环烷基、C 7 ‑C 40 环烯基、C 1 ‑C 20 甲氧基烷基二醇醚和Y‑OH基团；‑Y选自C 2 ‑C 40 亚烷基、C 2 ‑C 40 烷基内酯、‑R 7 ‑N(R 8 )‑R 9 ‑，其中R 7 、R 8 和R 9 各自独立地选自氢、C 1 ‑C 20 烷基、C 3 ‑C 22 烯基、C 6 ‑C 40 环烷基、C 7 ‑C 40 环烯基、C 1 ‑C 20 甲氧基烷基二醇醚；‑m为2至100的整数；‑n为1至1000的整数。

A lubricant concentrate composition that includes amine compounds and a corrosion inhibitor (polycarboxylic acid) it may also include a hydrotrope, stabiliser and a surfactant

Sulfur-phosphorus adducts of chromium catalyzed polyalphaolefins

Phosphorodithioate derivatives of oligomers of polyalphaolefins of high viscosity index for use as lubricants and lubricant additives are described.

Lubricating composition to limit friction

Composition lubrifiante pour limiter le frottement La présente demande concerne une composition lubrifiante comprenant, par rapport au poids total de la composition lubrifiante : - au moins une huile de base ; - de 0,005 à 10% en poids d’au moins un modificateur de frottement organique polymérique; et - de 0,005 à 10% en poids d’au moins un ester qui est un produit de la réaction d’estérification entre un monoalcool saturé ou insaturé, linéaire, cyclique ou ramifié ayant entre 1 et 10 atomes de carbone et un polyacide carboxylique ou entre un polyol linéaire, cyclique ou ramifié et un monoacide carboxylique, saturé ou insaturé, linéaire, cyclique ou ramifié ayant entre 1 et 10 atomes de carbone, ledit modificateur de frottement organique polymérique étant le produit de réaction entre : a) au moins une sous-unité polymère hydrophobe qui comprend un polymère hydrophobe choisi parmi les polyoléfines, les polyacryliques et les polystyrènes; b) au moins une sous-unité polymère hydrophile qui comprend un polymère hydrophile choisi parmi les polyéthers, les polyesters et les polyamides ; c) éventuellement au moins un fragment de squelette capable de lier ensemble des sous-unités polymères; et d) éventuellement un groupe de terminaison de chaîne. Figure pour l'abrégé : Néant Lubricating composition for limiting friction The present application relates to a lubricating composition comprising, relative to the total weight of the lubricating composition: - at least one base oil; - from 0.005 to 10% by weight of at least one polymeric organic friction modifier; and - from 0.005 to 10% by weight of at least one ester which is a product of the esterification reaction between a saturated or unsaturated, linear, cyclic or branched monoalcohol having between 1 and 10 carbon atoms and a polycarboxylic acid or between a linear, cyclic or branched polyol and a saturated or unsaturated, linear, cyclic or branched monocarboxylic acid having between 1 and 10 carbon atoms, said ...

Mixed phosphorus esters for lubricant applications

Una composición lubricante que comprende un aceite de viscosidad lubricante y una composición de éster de fosfito (A), distinta de una sal de zinc, que comprende el producto de reacción de (a) un ácido fosforoso monomérico o un éster del mismo con (b) al menos dos alquilen dioles: un primer alquilen diol (i) que tiene dos grupos hidroxi en una relación 1,4 o 1,5 o 1,6; un segundo alquilen diol (ii) que es un 1,3-propilen diol sustituido con alquilo con uno o más de los sustituyentes alquilo del mismo en uno o más de los átomos de carbono de la unidad de propileno, el número total de átomos de carbono en el grupo 1,3-propilen diol sustituido con alquilo es de 5 a 12; en donde las cantidades molares relativas de ácido fosforoso monomérico o éster del mismo (a) y el total de alquilen dioles (b) están en una relación de 0,9:1,1 a 1,1:0,9; en donde las cantidades molares relativas del primer alquilen diol (i) y el 1,3-propilen diol sustituido con alquilo (ii) están en una relación de 30:70 a 65:35; y un espesante de grasa. A lubricating composition comprising an oil of lubricating viscosity and a phosphite ester composition (A), other than a zinc salt, comprising the reaction product of (a) a monomeric phosphorous acid or an ester thereof with (b ) at least two alkylene diols: a first alkylene diol (i) having two hydroxy groups in a 1,4 or 1,5 or 1,6 ratio; a second alkylene diol (ii) that is an alkyl-substituted 1,3-propylene diol with one or more of the alkyl substituents thereof on one or more of the carbon atoms of the propylene unit, the total number of atoms of carbon in the alkyl-substituted 1,3-propylene diol group is 5 to 12; wherein the relative molar amounts of monomeric phosphorous acid or ester thereof (a) and total alkylene diols (b) are in a ratio of 0.9:1.1 to 1.1:0.9; wherein the relative molar amounts of the first alkylene diol (i) and the alkyl-substituted 1,3-propylene diol (ii) are in a ratio of 30:70 to 65:35; and a fat thickener.

Lubricant composition for limiting friction

The present application relates to a lubricant composition comprising, in relation to the total weight of the lubricant composition: - at least one base oil; - 0.005 to 10% by weight of at least one polymeric organic friction modifier; and - 0.005 to 10% by weight of at least one ester which is a product of the esterification reaction between a saturated or unsaturated linear, cyclic or branched monoalcohol having 1 to 10 carbon atoms and a carboxylic polyacid or between a linear, cyclic or branched polyol and a saturated or unsaturated linear, cyclic or branched carboxylic monoacid having 1 to 10 carbon atoms, said polymeric organic friction modifier being the reaction product between: a) at least one hydrophobic polymer subunit comprising a hydrophobic polymer selected from among polyolefins, polyacrylics and polystyrenes; b) at least one hydrophilic polymer subunit comprising a hydrophilic polymer selected from among polyethers, polyesters and polyamides; c) optionally at least one backbone moiety capable of binding together polymer subunits; and d) optionally a chain termination group.

Phosphorous-containing graft copolymers effective as dispersants in oils

Friction regulator for lubricating oil and lubricating oil composition

A friction regulator for lubricating oils which comprises an oil-soluble copolymer (A) comprising units of at least one monomer (a) represented by the general formula (1) and units of at least one monomer (b) represented by the general formula (2) CH2=C(R1)-Q-(Z-A1)m-X (1) CH2=C(R3)-CO-(O-A2)n-OR4 (2) and having a weight-average molecular weight of 3,000 or higher; a friction regulator composition which comprises the copolymer (A) and at least one member selected from the group consisting of diluents and other additives; and a lubricating oil composition which comprises an oil base and the friction regulator or friction regulator composition. They have an excellent friction-regulating effect and are effective in reducing gearshift shocks. They have a high coefficient of friction which is necessary for power transmission, and have excellent antiwear properties.

Novel dendritic polymers having monophosphonic terminations, method for preparing them, and their use

The invention relates to novel dendritic polymers having monophosphonic terminations or dimethyl phosphonates, to a method for preparing them, and to their uses.