The invention relates to polymeric-inorganic nanoparticle compositions and preparation processes thereof. The invention also relates to an additive and lubricant composition comprising these polymeric-inorganic nanoparticle composition, as well as to the use of these polymeric-inorganic nanoparticle compositions in an oil lubricant formulation to improve tribological performance, in particular to improve extreme pressure performance on metal parts.
C10M 161/00 - Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
C08F 292/00 - Macromolecular compounds obtained by polymerising monomers on to inorganic materials
The invention relates to polymeric-inorganic nanoparticle compositions and preparation processes thereof. The invention also relates to an additive and lubricant compositions comprising these polymeric-inorganic nanoparticle compositions, as well as to the use of these polymeric-inorganic nanoparticle compositions in an oil lubricant formulation to improve tribological performance, in particular to improve extreme pressure performance and friction reduction on metal parts.
C10M 161/00 - Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
C08F 292/00 - Macromolecular compounds obtained by polymerising monomers on to inorganic materials
C08F 290/04 - Polymers provided for in subclasses or
C08L 55/00 - Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups
4.
POLYMERIC-INORGANIC NANOPARTICLE COMPOSITIONS, MANUFACTURING PROCESS THEREOF AND THEIR USE AS LUBRICANT ADDITIVES
The inventionrelates to polymeric-inorganic nanoparticlecompositionsand preparation processes thereof. The invention also relates to an additive andlubricant composition comprising these polymeric-inorganic nanoparticlecompositions, as well as to the use of these polymeric-inorganic nanoparticlecompositionsin an oil lubricant formulation to improve tribological performance, in particular to improve anti-friction performance on metal parts.
C10M 161/00 - Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
The present invention is directed to selected comb polymers comprising specified amounts of macromonomer and imide functionalization, their preparation, lubricant compositions comprising such comb polymers and their use for reducing wear and fuel consumption of lubricant compositions, especially of engine oil (EO) compositions.
C10M 149/06 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
C10M 169/04 - Mixtures of base-materials and additives
C10M 149/04 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amino group
The present invention is directed to selected comb polymers comprising specifiedamounts of macromonomer and nitrogen-containing (meth)acrylates, their preparation, lubricant compositions comprising such comb polymers and their use as solubilizersinlubricant compositions, especially inengine oil (EO) compositions.
C10M 149/04 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amino group
C10M 149/06 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
7.
USE OF POLYESTERS AS VISCOSITY INDEX IMPROVERS FOR AIRCRAFT HYDRAULIC FLUIDS
The invention is related to a composition for use in hydraulic systems of an aircraft. The composition typically comprises an adipic acid-based polyester in a phosphate ester base stock substantially consisting of trialkyl phosphates.
C10M 169/04 - Mixtures of base-materials and additives
C10M 111/04 - Lubricating compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being a macromolecular organic compound
8.
LUBRICANT COMPOSITION WITH AN IMPROVED VISCOSITY CHARACTERISTIC AT LOW OPERATING TEMPERATURE
The invention relates to a lubricant composition comprising a comb polymer and a synthetic base oil. The lubricant composition has improved viscosity characteristics at low operating temperatures. The invention also relates to the use of a comb polymer for producing a lubricant having an R-factor of less than or equal to 8, wherein the R-factor is defined as the ratio of the kinematic viscosity at -20°C and the kinematic viscosity at +20°C.
C10M 107/28 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
C10M 169/04 - Mixtures of base-materials and additives
9.
COMB POLYMERS FOR IMPROVING NOACK EVAPORATION LOSS OF ENGINE OIL FORMULATIONS
The present invention is directed to selected comb polymers comprising specified amounts of macromonomer and alkyl acrylates, their preparation, lubricant compositions comprising such comb polymers and their use for reducing Noack evaporation losses of lubricant compositions, especially of engine oil compositions.
The present invention is directed to new polyalkyl(meth)acrylate (PAMA) polymers comprising a certain amount of hydroxyl-functionalized alkyl (meth)acrylates, lubricating oil compositions comprising these polymers and their use for improving the demulsibility performance of high VI lubricating oil compositions which are based on apolar base oils, especially hydraulic fluid compositions.
C08G 61/04 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
C10M 169/04 - Mixtures of base-materials and additives
The invention relates to a process for the preparation of ceramic coatings on an electrically conductive substrates. With the inventive method, the resulting coated substrates show very good tribological properties in terms of friction and wear resistance.
The invention relates to polymeric-inorganic nanoparticles and preparation processes thereof. The invention also relates to a powder, concentrate and lubricating composition comprising these polymeric-inorganic nanoparticles, to a method of dispersing nanoparticles in lubricating oil, as well as the use of these polymeric-inorganic particles in an oil lubricant formulation to reduce pour point, friction and wear.
The present invention relates to lubricant compositions comprising polyolefin polymers, and to the use of these lubricant compositions as an automatic transmission fluid, a continuously variable transmission fluid, an engine oil, a gear oil, or a hydraulic oil.
C10M 143/16 - Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing cycloaliphatic monomer
C10M 169/04 - Mixtures of base-materials and additives
C10M 177/00 - Special methods of preparation of lubricating compositionsChemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
C10M 107/10 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation containing aliphatic monomer having more than 4 carbon atoms
C10M 143/08 - Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing aliphatic monomer having more than 4 carbon atoms
C10M 143/10 - Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing aromatic monomer, e.g. styrene
C08L 23/18 - Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
C08L 23/24 - Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having ten or more carbon atoms
C08G 61/08 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds of carbocyclic compounds containing one or more carbon-to-carbon double bonds in the ring
The present invention relates to copolymers, to a method for the preparation of these copolymers, to the use of these copolymers for reducing wear in a lubricant composition, to lubricant compositions comprising these copolymers, and to the use of these lubricant compositions as an automatic transmission fluid, a continuously variable transmission fluid, an engine oil, a gear oil, or a hydraulic oil.
C10M 145/12 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate monocarboxylic
C08G 61/04 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
C10M 169/04 - Mixtures of base-materials and additives
C10M 107/28 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
The present application is directed to a graft copolymer comprising in the backbone at least one segment having repeating units obtainable by ring-opening metathesis polymerization (ROMP) of an optionally substituted cycloalkene and at least one segment comprising repeating units obtainable by atom transfer radical polymerization (ATRP) of a (meth)acrylate. The corresponding graft copolymer is highly suitable for use as an oil additive in internal combustion engines, in particular, in combustion engines which are operated for longer periods of time at substantially constant operating temperatures.
C08F 283/14 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polymers obtained by ring-opening polymerisation of carbocyclic compounds having one or more carbon-to-carbon double bonds in the carbocyclic ring, i.e. polyalkeneamers
C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
C08G 61/08 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds of carbocyclic compounds containing one or more carbon-to-carbon double bonds in the ring
The invention relates to a process for the preparation of hydroxylated polyolefins by living anionic polymerization of olefin monomers and subsequent functionalization with hydroxyl groups. With the inventive method, a high degree of functionalization can be achieved.
The present invention relates to a lubricating oil composition comprising polyglycerol partial esters of polyfunctional carboxylic acids and saturated or unsaturated, linear or branched fatty acids and/or poly(hydroxystearic acid) and the use thereof to lubricate an engine and reduce friction.
C10M 105/42 - Complex esters, i.e. compounds containing at least three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compound: monohydroxy compounds, polyhydroxy compounds, monocarboxylic acids, polycarboxylic acids and hydroxy carboxylic acids
C10M 169/04 - Mixtures of base-materials and additives
C10M 129/78 - Complex esters, i.e. compounds containing at least three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compound: monohydroxy compounds, polyhydroxy compounds, monocarboxylic acids, polycarboxylic acids, hydroxy carboxylic acids
18.
METHOD FOR THE PREPARATION OF COPOLYMERS OF ALKYL METHACRYLATES AND MALEIC ANHYDRIDE
The present invention relates to a method for the preparation of a sulfur-free copolymer comprising at least one alkyl methacrylate and maleic anhydride having a number average molecular weight of 3000 to 9000 g/mol by solution polymerization in the presence of a radical initiator.
The present invention relates to a method for the preparation of a copolymer comprising at least one alkyl methacrylate and maleic anhydride having a number average molecular weight of 4000 to 18000 g/mol by solution polymerization in the presence of a radical initiator.
The present invention relates to the use of hydraulic fluids in plastic injection molding processes. Thereby it was surprisingly found that the use of hydraulic fluids with the right combination of physical parameters like the viscosity grade, the viscosity index, the density and the dispersancy allows for significant energy savings in plastic injection molding processes (PIM). The PIM process is an industrial process to manufacture plastic parts at well controlled temperatures, pressures and cycle times. The energy consumption of the process became more important over the last years, however, other parameters like process stability and accuracy of plastic part parameters as well as machine protection and long oil drain intervals have to be satisfying.
C10M 149/06 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
C10M 119/12 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
The present invention relates to compositions comprising components AA which are obtainable by hydrosilylation reaction of organomodified siloxanes bearing Si-H- groups and/or terminally unsaturated organic groups, a preparation process thereof and use thereof as lubricants.
C08L 83/14 - Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon onlyCompositions of derivatives of such polymers in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
C08G 77/00 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon
The present invention relates to compositions for use as lubricating oil additives. The additive compositions comprise a mixture of alkyl (meth)acrylate copolymers, having distinct monomeric compositions. The additive compositions disclosed herein can be used to improve the low-temperature pumpability of aged lubricating oil, particularly diesel engine oil aged in the presence of biodiesel.
The invention concerns a method of increasing the dynamic coefficient of friction in an oil-lubricated friction clutch by using a lubricating oil containing at least one specific copolymer, the presence of which develops higher dynamic friction levels in the clutch.
C10M 145/16 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate polycarboxylic
C10N 30/06 - OilinessFilm-strengthAnti-wearResistance to extreme pressure
The invention relates to a process for producing a polymer composition by hydrogenating an unsaturated polymer, comprising the reaction of an unsaturated polymer with hydrogen in the presence of a supported metal catalyst. The invention additionally relates to a polymer composition produced by the process according to the invention, and also to the use of a polymer composition for producing comb polymers.
C08G 81/02 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
The present invention relates to a transmission oil formulation comprising a base oil and a copolymer obtained by radical polymerization from a monomer composition.taineThe invention also relates to the use of the transmission oil formulation as transmission oil for reducing fuel consumption by vehicles.
C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
C08F 290/04 - Polymers provided for in subclasses or
C10M 119/10 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an acyloxy radical of a saturated carboxylic or carbonic acid
26.
COLD FLOW IMPROVER WITH BROAD APPLICABILITY IN MINERAL DIESEL, BIODIESEL AND BLENDS THEREOF
The present application relates to compositions comprising at least one polyalkyl(meth)acrylate polymer, a graft copolymer comprising a copolymer based on ethylene as graft base and one or more polyalkyl(meth)acrylate polymer(s) grafted thereon, and at least one non-grafted ethylene-based copolymer, as well as to the use of such compositions to improve the performance, especially the cold flow properties and injector nozzle coking tendency of middle distillates, especially diesel fuels, biodiesel and blends thereof.
C08L 33/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofCompositions of derivatives of such polymers
C08L 33/10 - Homopolymers or copolymers of methacrylic acid esters
C08L 1/00 - Compositions of cellulose, modified cellulose, or cellulose derivatives
C08L 51/08 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
27.
HEAT TRANSFER-FLUID WITH ELECTRICAL INSULATING PROPERTIES
The present invention relates to the use of a liquid composition as heat transfer fluid, characterized in that the liquid composition comprises polymers derived from at least an ethylenically unsaturated monomer or a mixture of ethylenically unsaturated monomers. Preferably, the liquid composition is used as a heat transfer fluid for electrical equipment.
C08L 33/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofCompositions of derivatives of such polymers
F28F 13/00 - Arrangements for modifying heat transfer, e.g. increasing, decreasing
The present invention relates to a method for preparing a polymer composition, said method comprising the steps of: a) preparing a reaction mixture comprising as component A) an ethylenically unsaturated monomer or a mixture of ethylenically unsaturated monomers and as component B) a 1-alkene or a mixture of 1-alkenes; b) adding a Co(ll) complex as a catalytic chain transfer agent to the reaction mixture; c) adding a radical initiator; and d) reacting the reaction mixture to obtain the polymer composition, wherein the total amount of the radical initiator added to the reaction mixture is at least 0.05% by weight relative to the total weight of components A) and B). The present invention also relates to the use of a Co(ll) complex as catalytic chain transfer agent for the polymerization of a reaction mixture comprising an ethylenically unsaturated monomer or a mixture of ethylenically unsaturated monomers, a radical initiator, and a 1-alkene or a mixture of 1-alkenes, wherein the total amount of the radical initiator added to the reaction mixture is at least 0.05% by weight relative to the total weight of the ethylenically unsaturated monomer or mixture of ethylenically unsaturated monomers and the 1-alkene or mixture of 1-alkenes.
C08F 10/14 - Monomers containing five or more carbon atoms
C10M 107/10 - Hydrocarbon polymersHydrocarbon polymers modified by oxidation containing aliphatic monomer having more than 4 carbon atoms
C08L 23/24 - Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having ten or more carbon atoms
C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
The present invention relates to a method for the preparation of low-viscosity polymers suitable as base fluids for lubricants. The method comprises polymerizing specific (meth)acrylic acid esters in the presence of a cobalt catalytic chain transfer agent.
C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
The present invention relates to a process for preparing polybutadiene, wherein butadiene is anionically polymerized in a tube reactor having an interfacial area of at least 200 m²/m³ using a solvent mixture comprising at least one nonpolar solvent and at least one polar solvent, where the polybutadiene obtained has a weight average molecular weight Mw in the range from 1000 to 20 000 g/mol and a polydispersity index PDI of less than or equal to 1.5.
The present invention describes a composition comprising: (A) at least one polyalkyl (meth) acrylate polymer having a number average molecular weight Mn of from 15000 to 75000 g/mol; (B) at least one ethylene vinyl acetate copolymer comprising units being derived from at least one alkyl (meth) acrylate having 1 to 30 carbon atoms in the alkyl residue; (C) a phenolic type antioxidant; (D) a mixture stabilizer; and (E) a glycol ether solvent. The composition is useful as cold flow improver and oxidation stabilizer in vegetable oils and animal fats.
The present invention relates to the use of polyalkyl(meth)acrylates as an additive to fuels, especially middle distillate fuels and blends thereof. The present invention further relates to the use of a composition comprising polyalkyl(meth)acrylates as dispersing species susceptible to disperse waxes and sludgy material at low temperatures and a hydrocarbon solvent/an oil for improving the cold flow properties of fuel oil and fuel oil compositions. The present invention further relates to the use of these compositions as an additive to fuels, especially in the function of paraffin dispersant, to such fuels themselves and to fuel additive concentrates which comprise this composition dissolved in a hydrocarbon solvent or an oil.
C10L 10/14 - Use of additives to fuels or fires for particular purposes for improving low temperature properties
C10L 1/196 - Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and a carboxyl group or salts, anhydrides or esters thereof
C10L 1/236 - Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
33.
METHOD FOR REDUCING THE HALOGEN CONTENT OF A POLYMER
The invention relates to a method for reducing the halogen content of a polymer, characterized in that the polymer is reacted with a polymerization inhibitor; and especially to a method wherein said polymer is a polymerization product of an ATRP process.
The present invention relates to a lubricant composition comprising at least one polyalkyl (meth)acrylate, comprising repeating units derived from (meth)acrylates having 6 to 22 carbon atoms in the alcohol residue, the polyalkyl (meth)acrylate comprising repeating units derived from ethylenically unsaturated monomers having at least one covalently bonded phosphorus atom. The present invention further describes a polyalkyl (meth)acrylate which is suitable for a lubricant composition of this kind, and also describes the use of a polyalkyl (meth)acrylate having repeating units derived from ethylenically unsaturated monomers having at least one covalently bonded phosphorus atom, for the purpose of reducing friction.
The invention relates to the additivation of thermoplastics, in particular polyvinyl chloride (PVC), using a novel single-component additive. The thus achieved improvement of the lubricating properties leads to a delayed melting of the thermoplasts during the extrusion process and thus to an advantageous fluidity and a reduction of the required processing pressure. Furthermore, the improved lubricating effect facilitates the processing in shaping machines in that a lower metal adhesion is produced. According to the invention, a novel poly(meth)acrylate-based additive for thermoplastics, in particular for PVC, is provided in order to improve said technical aspects. The additive is characterized by a poly(meth)acrylate backbone and long alkyl side-chains.
C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
C08L 101/00 - Compositions of unspecified macromolecular compounds
36.
FRICTION-IMPROVED POLYMERS FOR DLC-COATED SURFACES
The invention relates to a component comprising at least two elements, which can be moved relative to one another and between the surfaces of which a film formed by a lubricating oil composition is provided, wherein at least a portion of the surface of at least one of the movable elements is formed by a diamond-like carbon layer (DLC layer) and the lubricating oil composition contains at least one polymer that comprises repeating units derived from amine derivatives of at least one polar ethylenically unsaturated monomer.
The present invention describes a composition comprising at least one antioxidant and at least one ethylene vinyl acetate copolymer comprising units being derived from at least one alkyl (meth)acrylate having 1 to 30 carbon atoms in the alkyl residue. The composition is useful as cold flow improver and oxidation stabilizer in fossil fuel oil and or biodiesel fuel oil.
The present invention describes copolymers which comprise ester groups and have at least one nonpolar segment P and at least one polar segment D, where the polar segment D has at least 8 repeat units and the proportion by weight of dispersing repeat units in the polar segment D is at least 30%, based on the weight of the polar segment D, the copolymer comprising ester groups being obtainable by NMP (nitroxide-mediated polymerization). The invention further describes lubricant oils with improved friction properties, comprising the copolymers mentioned.
The invention relates to a lubricant to be used in a method for reducing the paraffin content in mineral oil compositions. According to the invention, a mineral oil composition is provided with a dewaxing aid, is cooled such that a paraffin deposit is formed, and at least some of the obtained paraffin deposit is removed. A copolymer mixture comprising at least three copolymers is used as a dewaxing aid, said copolymers differing in the composition of the repeat units.
The present invention describes a lubricant composition comprising a viscosity index improver comprising at least one ester group containing polymer, a base oil and a naphthenic oil having a low viscosity.
C10M 161/00 - Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
C10M 169/04 - Mixtures of base-materials and additives
The present invention describes a viscosity index improver comprising a polyalkyl(meth)acrylate polymer having a polydispersity Mw/Mn in the range of 1.05 to 2.0. In addition thereto, the present invention discloses a lubricant comprising the viscosity index improver of the present invention.
The present invention describes a motor designed for biodiesel compatibility comprising a particulate filter, a motor control unit being able to inject fuel to the engine in order to increase the exhaust temperature, and a lubricant composition, characterized in that the lubricant composition comprises at least one ester group containing polymer.
The present invention describes a motor designed for Fuel compatibility comprising a lubricant composition comprises at least one ester group containing polymer having a high polarity.
C10M 149/02 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C10M 149/10 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a nitrogen-containing hetero ring
The present invention relates to a process for producing a dispersion comprising at least one carrier medium, at least one emulsifier and at least one polymer based on polyolefins, by dispersing a heterogeneous composition using a mixer which works by the rotor-stator principle. The present invention additionally describes a polymer dispersion obtainable by the process.
C08J 3/02 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
C08L 23/16 - Ethene-propene or ethene-propene-diene copolymers
C08L 33/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofCompositions of derivatives of such polymers
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
45.
POLYALKYL (METH) ACRYLATE FOR IMPROVING LUBRICATING OIL PROPERTIES
The invention relates to a polyalkyl (meth) acrylate for improving lubricating oil properties, which comprises repetition units which are derived from (meth) acrylates having 6 to 22 carbon atoms in the alcohol residues, and repetition units which are derived from amine derivatives of an ethylenically unsaturated monomer. The invention further relates to methods for producing and using the present polyalkyl (meth) acrylate.
C10M 149/02 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C10M 149/06 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
The present invention describes a polymer useful as viscosity index improver comprising units derived from one or more ethylenically unsaturated ester compounds of formula (I), where R is hydrogen or methyl, R1 means a linear, branched or cyclic alkyl residue with 1-6 carbon atoms, R2 and R3 independently represent hydrogen or a group of the formula -COOR', where R' means hydrogen or a alkyl group with 1-6 carbon atoms, units of one or more ethylenically unsaturated ester compounds of formula (II), where R is hydrogen or methyl, R4 means a 2-alkyl branched alkyl residue with 12-18 carbon atoms, R5 and R6 independently are hydrogen or a group of the formula - COOR' ', where R' ' means hydrogen or an alkyl group with 12- 18 carbon atoms, and units of one or more ethylenically unsaturated ester compounds of formula (III), where R is hydrogen or methyl, R7 means a linear alkyl residue with 12-24 carbon atoms, R8 and R9 independently are hydrogen or a group of the formula -COOR' ', where R' ' means hydrogen or an alkyl group with 12-24 carbon atoms wherein said polymer comprises at least 10 % by weight units derived from one or more ethylenically unsaturated ester compounds of formula (I), based on the total weight of the polymer, said polymer comprises at least 10 % by weight units derived from one or more ethylenically unsaturated ester compounds of formula (II), based on the total weight of the polymer, and said polymer comprises at least 10 % by weight units derived from one or more ethylenically unsaturated ester compounds of formula (III), based on the total weight of the polymer.
The present invention relates to a transmission lubricant comprising at least 30% by weight of polyalkyl (meth)acrylate. The present invention further describes polyalkyl (meth)acrylates for use in lubricants and also processes for preparing them and their use. The present lubricants can be used particularly in wind turbine transmissions.
C10M 107/28 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
The present invention describes a fuel oil composition comprising at least one biodiesel oil and at least one additive for improving the filterability. In addition thereto, the present invention discloses a method for improving the filterability of a fuel oil comprising a biodiesel and a use of a polyalkyl (meth) acrylate polymer to improve the filterability of a fuel oil comprising a biodiesel.
C10L 1/196 - Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and a carboxyl group or salts, anhydrides or esters thereof
The invention relates to a (meth)acrylate polymer for improving the viscosity index, which comprises a) from 5 to 60 wt% of repeating units that are derived from (meth)acrylates of formula (I), where R represents hydrogen or methyl and R1 is an alkyl radical having from 1 to 6 carbon atoms, b) from 5 to 80 wt% of repeating units that are derived from (meth)acrylates of formula (II), where R is hydrogen or methyl and R2 is an alkyl radical having from 7 to 30 carbon atoms, and c) from 15 to 90 wt% of repeating units that are derived from (meth)acrylates of formula (III), where R is hydrogen or methyl, n is an integer in the range of 2 to 500 and A is C2-C4 alkylene and R3 is a hydrogen atom or an alkyl radical having from 1 to 4 carbon atoms. The invention further relates to novel lubricating oil compositions, to a method for producing the above-mentioned (meth)acrylate polymers and to the use thereof for improving the viscosity index of lubricating oil compositions that comprise at least one polar base oil.
C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
C08F 220/28 - Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
C10M 145/10 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
50.
A COMPOSITION TO IMPROVE COLD FLOW PROPERTIES OF FUEL OILS
The present invention describes a composition comprising at least one polyalkyl(meth)acrylate polymer having a number average molecular weight Mn of from 1000 to 10000 g/mol and a polydispersity Mw/Mn of from 1 to 8 and at least one ethylene vinyl acetate copolymer comprising units being derived from at least one alkyl (meth)acrylate having 1 to 30 carbon atoms in the alkyl residue. The composition is useful as cold flow improver in fossil fuel oil and or biodiesel fuel oil.
A lubricant which contains an ester oil and a polyalkyl(meth)acrylate copolymer having in copolymerized form a C1-C4 alkyl(meth)acrylate, and a C4-C4000 alkyl(meth)acrylate exhibits an improved Viscosity Index compared to a lubricant having no ester oil.
C10M 161/00 - Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
C10M 169/04 - Mixtures of base-materials and additives
C10N 20/04 - Molecular weightMolecular weight distribution
The invention relates to the use of comb polymers comprising repeating units in the main chain which repeating units are derived from polyolefin-based macromonomers having a molecular weight of at least 500 g/mol, and repeating units which are derived from low-molecular monomers having a molecular weight of less than 500 g/mol as antifatigue additives in lubricants. The invention further relates to novel comb polymers and methods for the production thereof and to lubricating oils comprising said comb polymers.
The invention relates to the use of comb polymers comprising repeats in the main chain which repeats are derived from polyolefin-based macromonomers having a molecular weight of at least 500 g/mol, and repeats which are derived from low-molecular monomers having a molecular weight of less than 500 g/mol for improving the scuffing load capacity in hydraulic fluids. The invention further relates to novel hydraulic fluids.
The present invention relates to a fuel composition comprising at least one biodiesel fuel, containing 0.05 to 5 wt % of a polymer having at least one ester group, comprising recurrent units that are derived from ester monomers having 16 to 40 carbon atoms in the alcohol group and recurrent units that are derived from ester monomers having 7 to 15 carbon atoms in the alcohol group. The polymer comprising ester groups has a weight average of the molecular weight in the range of 5000 to 100000 g/mol. Furthermore, the present invention relates to the use of polymers comprising ester groups as flow enhancer in fuel compositions comprising at least one biodiesel fuel. Surprising advantages can be achieved in particular with respect to the improvement of the cloud point and the low temperature storage properties.
Noise generation in a hydraulic system is reduced by contacting a hydraulic fluid comprising a polyalkyl(meth)acrylate polymer with a hydraulic system.
The present invention relates to the use of ester group-including polymers having at least one nonpolar segment P and at least one polar segment D, where the polar segment D includes at least 8 repeating units, and the proportion of dispersing repeating units in the polar segment D is at least 30% by weight based on the weight of the polar segment D, as antifatigue additive in lubricants.
C10M 149/10 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a nitrogen-containing hetero ring
The present invention relates to the use of comb polymers comprising, in the main chain, repeat units derived from polyolefin-based macromonomers, and repeat units derived from low molecular weight monomers selected from the group consisting of styrene monomers having from 8 to 17 carbon atoms, alkyl (meth)acrylates having from 1 to 10 carbon atoms in the alcohol group, vinyl esters having from 1 to 11 carbon atoms in the acyl group, vinyl ethers having from 1 to 10 carbon atoms in the alcohol group, (di)alkyl fumarates having from 1 to 10 carbon atoms in the alcohol group, (di)alkyl maleates having from 1 to 10 carbon atoms in the alcohol group, and mixtures of these monomers, where the molar degree of branching is in the range from 0.1 to 10 mol% and the comb polymer comprises a total of at least 80% by weight, based on the weight of the repeat units, of repeat units derived from polyolefin-based macromonomers, and repeat units derived from low molecular weight monomers selected from the group consisting of styrene monomers having from 8 to 17 carbon atoms, alkyl (meth)acrylates having from 1 to 10 carbon atoms in the alcohol group, vinyl esters having from 1 to 11 carbon atoms in the acyl group, vinyl ethers having from 1 to 10 carbon atoms in the alcohol group, (di)alkyl fumarates having from 1 to 10 carbon atoms in the alcohol group, (di)alkyl maleates having from 1 to 10 carbon atoms in the alcohol group, and mixtures of these monomers, for reducing the fuel consumption of vehicles.
The present invention concerns a process for preparing continuously variable composition copolymers comprising: (a) providing a reaction vessel comprising a first monomer composition; (b) providing a feed vessel comprising a second monomer composition; (c) initiating a polymerization reaction in said reaction vessel; (d) continuing the polymerization reaction during the gradual addition of said second monomer composition from said feed vessel to said reaction vessel wherein the gradual addition of the second monomer composition is performed such that continuously variable composition copolymers are achieved; (e) maintaining said polymerization until at least 90 % of the total monomer composition has been converted to a copolymer; wherein said copolymer has a weight average molecular weight from 10,000 to 1,000,000; said copolymer is soluble in lubricating oil, characterized in that the monomers provided in the reaction vessel by said first monomer composition composes at least 50 % by weight of all the monomers used to prepare said copolymer.
A system, model and method for commercializing a consumable product used in capital equipment by selling the consumable product in a first sale directly to a builder of capital equipment integrally with the sale of the capital equipment at a first price then making a second sale of the consumable product through a different sales path at a second price to a purchaser and/or operator of the capital equipment such that the second sale at the second price is sufficient to cover the development costs of the consumable product and generate a profit for a supplier of the consumable product.
The present invention describes use of a fluid having a VI of at least 130 to improve the power output of a hydraulic system. Preferentially, engine speed can be maintained at the same rate selected while using the standard HM oil, and deliver ᡶ3% higher hydraulic power output.
The present invention relates to polymer dispersions comprising A) at least one dispersed polyolefin, B) at least one dispersion component, C) mineral oil and D) at least one glyceryl ester derived from an unsaturated carboxylic acid having from 8 to 30 carbon atoms. The inventive polymer dispersions are notable for very good low-temperature performance. In addition, the polymer dispersions can be prepared in a particularly energy-saving manner. The present invention further relates to processes for the preparation of and to the use of these polymer dispersions.
C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
C10M 107/00 - Lubricating compositions characterised by the base-material being a macromolecular compound
63.
IMPROVEMENT IN QUALITY CONTROL OF A FUNCTIONAL FLUID
The present invention describes use of use of a metal compound to control the quality of a functional fluid. Additionally, the present invention concerns a method for controlling the quality of a functional fluid comprising the steps of: adding a metal compound to a component of a lubricant; mixing the component with a base oil; measuring the concentration of the metal compound in the functional fluid; and comparing the expected concentration of the metal compound with the measured concentration.
C10M 161/00 - Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
C10M 165/00 - Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential
The present invention concerns a method for the determination of the oxidative stability of a lubricating fluid, comprising the steps of: introducing a sample of the lubricating fluid under test in an reaction cell; introducing catalytic amounts of a catalyst to the reaction cell; heating the cell to the oxidation temperature of the lubricating fluid and maintaining this temperature; delivering oxygen containing gas at constant flow rate through the cell over the course of the reaction; delivering a gas comprising nitrogen dioxide at a constant flow rate through the cell for a specified time; applying and maintaining a specified vacuum on the reaction cell; allowing the mixture to react for a specified time; measuring the viscosity of the oxidized lubricating fluid. Additionally, the present invention describes an apparatus for the determination of the oxidative stability of a lubricating fluid.
The present invention relates to processes for preparing carboxylic acid derivatives, comprising the reaction of at least one carboxylic acid and/or of a carboxylic acid derivative with at least one alcohol and/or an amine in the presence of a metal-containing catalyst, wherein, after the reaction has ended, the metal-containing catalyst is contacted with water and a superabsorbent, the contacting of the catalyst with the water leading to hydrolysis of the catalyst. The present invention further relates to the use of superabsorbents for removing a metal-containing catalyst from a mixture after hydrolysis of the catalyst.
C07C 67/03 - Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
C07C 67/56 - SeparationPurificationStabilisationUse of additives by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by chemisorption
The present invention relates to motor fuel compositions comprising at least one diesel fuel of mineral origin and at least one biodiesel fuel, characterized in that the fuel composition contains at least 20% by weight of diesel fuel of mineral origin and 0.05% to 5% by weight of at least one polymer which comprises ester groups and contains repeating units that are derived from ester monomers having 16 to 40 carbon atoms in the alcohol radical, and repeating units that are derived from ester monomers having 7 to 15 carbon atoms in the alcohol radical. The present invention further describes the use of polymers comprising ester groups as flow improvers, and also a process for operating a diesel engine.
The present invention describes use of a fluid having a VI of at least 130 to improve the en- ergy efficiency of a hydraulic system. Furthermore, the present invention relates to a hy- draulic system comprising a hydraulic fluid having a VI of at least 130, a unit for creating mechanical power, a unit that converts mechanical power into hydraulic energy, and a unit that converts hydraulic energy into mechanical work. Preferentially, engine speed can be reduced to decrease load and stress while delivering the same amount of hydraulic power.
C10M 145/16 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate polycarboxylic
F15B 21/06 - Use of special fluids, e.g. liquid metalSpecial adaptations of fluid-pressure systems, or control of elements therefor, to the use of such fluids
The invention relates to a polymer comprising 50-100 % by weight, with regard to the weight of the polymers, of repeating units, which are derived from one or more ethylenically unsaturated ester compounds of formula (I), in which R represents hydrogen or methyl; R1 represents a linear or unbranched alkyl radical with 7 to 30 carbon atoms, and; R2 and R3 independently represent hydrogen or a group of formula -COOR', wherein R' represents hydrogen or an alkyl group with 7 to 30 carbon atoms. The polymer is a star polymer with 3 to 21 arms and at least 3 of the arms consist of at least 40 % by weight, with regard to the weight of the arms, of repeating units, which are derived from one or more ethylenically unsaturated ester compounds of formula (I), in which R1 represents a linear or unbranched alkyl radical with 7 to 30 carbon atoms, and; R2 and R3 independently represent hydrogen or a group of formula -COOR', wherein R' represents hydrogen or an alkyl group with 7 to 30 carbon atoms. The invention also relates to oil formulations comprising the inventive polymers. The inventive polymers having a high thickening action can be used, in particular, as viscosity modifiers, pour point depressants, dispersing agents and/or friction modifiers.
C08F 2/38 - Polymerisation using regulators, e.g. chain terminating agents
C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
The invention relates to comb polymers which comprise, in the main chain, repeating units which are derived from polyolefin-based macromonomers, and repeating units which are derived from low molecular monomers which are selected from the group consisting of styrene monomers having 8 - 17 carbon atoms, alkyl(meth)acrylates having 1 - 10 carbon atoms in the alcohol group, vinyl esters having 1 - 11 carbon atoms in the acyl group, vinyl ethers having 1 - 10 carbon atoms in the alcohol group, (Di)alkylfumarates having 1 - 10 carbon atoms in the alcohol group, (Di)alkylmaleates having 1 - 10 carbon atoms in the alcohol group and mixtures of said monomers. The molar branching degree lies in the region between 0.1 - 10 mol. % and the comb polymer represents the sum of at least 80 wt. %, in relation to the weight of the repeating units, on repeating units which are derived from polyolefin-based macromonomers, and repeating units which are selected from low molecular monomers which are selected from the group consisting of styrene monomers having 8 - 17 carbon atoms, alkyl(meth)acrylates having 1 - 10 carbon atoms in the alcohol group, vinyl esters having 1 - 11 carbon atoms in the acyl group, vinyl ethers having 1 - 10 carbon atoms in the alcohol group, (Di)alkylfumarates having 1 - 10 carbon atoms in the alcohol group, (Di)alkylmaleates having 1 - 10 carbon atoms in the alcohol group, and mixtures of said monomers.
C08F 290/04 - Polymers provided for in subclasses or
C08F 299/00 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
01 - Chemical and biological materials for industrial, scientific and agricultural use
42 - Scientific, technological and industrial services, research and design
Goods & Services
Chemicals for use in the manufacture of a broad variety of goods; acrylic and methacrylic esters for the manufacture of polymers for the plastic, chemical, optic and paint industry; unprocessed artificial resins as raw materials in the form of powders, liquids or pastes, unprocessed plastics. Technology consulting in the field of acrylic and methacrylic esters; development and testing of acrylic and methacrylic monomers, oligomers and polymers for third parties; scientific research, namely, analysis, investigations, evaluation and assessment of acrylic and methacrylic esters; consultation services rendered by chemists and by experts in the field of acrylic and methacrylic esters; research for new products for others
