METHOD FOR CONTROLLING VISCOSITY OF ORGANIC LIQUIDS

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.

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.

Gradient copolymers and method for producing and use thereof

COPOLYMERS USABLE IN PARTICULAR LIKE MULTIPURPOSE ADDITIVES WITH THE LUBRICANTS AND COMPOSITIONS CONTAINING THE AFOREMENTIONED COPOLYMERS

copolymer prepared through polimerizaÇço of monâmeros etilenicamente insaturados by means of starters in a process atrp, process for its preparaÇço and its job, as well as additive concentrate, àleo lubricant and fuel of biodiesel.

POLYISOBUTENE PHOSPHONIC ACID AND THE DERIVATIVES THEREOF

The invention relates to polyisobutene phosphonic acids and the derivatives thereof, to a method for the production thereof, and to the use of the same.

GRADIENT COPOLYMERS AND METHOD FOR THE PRODUCTION THEREOF AND THEIR USE

The invention relates to gradient copolymers which can be obtained by polymerizing a mixture of olefinically unsaturated monomers. Said mixture is comprised of: a) 0 to 40 wt. % of one or more ethylenically unsaturated ester compounds of formula (I), wherein R represents hydrogen or methyl, R1 represents a linear or branched alkyl radical with 1 to 5 carbon atoms, R2 and R3independently represent hydrogen or a group of formula -COOR', wherein R' represents hydrogen or an alkyl group with 1 to 5 carbon atoms, of; b) 10 to 98 wt. % of one or more ethylenically unsaturated ester compounds of formula (II), wherein R represents hydrogen or methyl, R4 represents a linear or branched alkyl radical with 6 to 15 carbon atoms, R5 and R6independently represent hydrogen or a group of formula -COOR'', wherein R'' represents hydrogen or an alkyl group with 6 to 15 carbon atoms, of; c) 0 to 80 wt. % of one or more ethylenically unsaturated ester compounds of formula (III), wherein R represents hydrogen ...

Способ получения моторных масел

Schmieroelzubereitung

Oil or liquid fuel soluble polymers

Mineral oils and gasolines contain phosphonate copolymers containing recurring units of the formula where R1 and R2 each represent hydrogen or C1-C8 alkyl groups, R3 represents C1-C8 alkyl or C1-C8 chloroalkyl, phenyl, chlorophenyl, benzyl or chlorobenzyl, R4 represents hydrogen or a C4-C24 tert.-alkyl group, R5 represents H or -CH3, and n is zero or 1, with the proviso that R5 represents H when n is zero. The comonomers are selected to ensure oil-solubility of the copolymer.ALSO:A phosphonate copolymer contains units of the formula wherein R1 and R2 each represent hydrogen or C1-C8 alkyl groups, R3 represents C1-C8 alkyl or C1-C8 chloroalkyl, phenyl, chlorophenyl, benzyl, or chlorobenzyl, R4 represents hydrogen or a C4-C24 tert-alkyl group, R5 represents H o -CH3, and n is zero or 1 with the proviso that R5 represents H when n is zero. The other monomers preferably confer oil-solubility on the polymer; long lists are given. The copolymer may be ...

GRADIENT COPOLYMERS AS WELL AS PROCEDURES FOR THE PRODUCTION AND USE

SULFUR-PHOSPHORUS ADDUCTS OF CHROMIUM CATALYZED POLYALPHAOLEFINS

PHOSPHONATE ADDUCTS OF OLEFINIC LUBRICANTS HAVING ENHANCED PROPERTIES

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 C 12-15 alkyl (meth)acrylic units, and up to 50 wt % of the C1_30 alkyl (meth)acrylic units are C 16-20 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.

Lubricating oil composition for engine

Lubricant dispersant

The invention discloses a lubricant dispersant. The preparation method of the lubricant dispersant comprises the following steps: firstly adding phosphorus pentasulfide, sulfur powder and toluene in polyisobutylene, heating and refluxing to perform a reaction for 5-8 hours and evaporate toluene, then maintaining the above reaction solution to 170-180 DEG C to bubble with steam for 10 hours, cooling to 50-60 DEG C, then extracting with absolute ethanol for layering, removing the liquid on the upper layer, then adding glycerin and xylene, heating and refluxing to perform a reaction for 4 hours,and evaporating to remove xylene and obtain the finished product. The lubricant dispersant of the invention has good heat resistance, strong solubilization to the initial oxidation product of the liquid lubricant and good peptization and dispersion functions to solid particles such as carbon deposit and fly ash; and can reduce the influence on the low temperature viscosity of the lubricant so that the ...

New lubricating and combustible compositions

Copolymeres utilisables notamment comme additifs multifonctionnels aux lubrifiants et compositions renfermant lesdits copolymeres

L'invention concerne des copolymeres utilisables notamment comme additifs multifonctionnels aux lubrifiants. Ils presentent des proprietes d'ameliorants de viscosite, d'antiusure et de dispersant. Ces copolymeres sont formes par copolymerisation d'un ester d'un acide monocarboxylique insature et d'au moins un monomere acrylique renfermant des atomes de fluor et/ou de phosphore et eventuellement de l'azote.

FRICTION REGULATOR FOR LUBRICATING OIL AND LUBRICATING OIL COMPOSITION

COMPOSITION CONTAINING A BLOCK COPOLYMER AND A METHOD FOR LUBRICATION OF AN INTERNAL COMBUSTION ENGINE

lubricating grease with high water resistance to the

Method for controlling viscosity of organic liquids

The instant invention relates to a process for controlling the viscosity of organic liquids by incorporating in said liquid a minor amount of an ionic polymer, and a cosolvent for the ionic groups of said polymer. The ionic polymer comprises a backbone which is substantially soluble in said organic liquid, and pendant ionic groups which are substantially insoluble in said organic liquid. A cosolvent is selected which will solubilize the pendant ionomeric groups and provide a reasonably homogeneous mixture of solvent, cosolvent and ionomeric polymer. The preferred compositions prepared by the method of the instant invention comprise an organic liquid having a solubility parameter of from 6 to 10.5 in combination with a sulfonated polymer containing from 0.2 up to 10.0 mole % ionic groups which has been neutralized by a basic material selected from Groups IA and IIA, IB and IIB of the Periodic Table of the Elements (and also lead, tin and antimony) and a nonvolatile alcohol or amine cosolvent ...

LUBRICATING OILS AND GREASES

BY MEANS OF ATRP PROCEDURES AVAILABLE COPOLYMERS AS WELL AS PROCEDURES FOR THE PRODUCTION AND USE

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 ...

Block copolymers and method for production and utilization thereof

METHOD FOR CONTROLLING VISCOSITY OF ORGANIC LIQUIDS AND COMPOSITIONS CONTAINING SAID ORGANIC LIQUIDS

OIL COMPOSITION AND VISCOSITY INDEX IMPROVER COMPRISING CONJUGATED DIENE-BASED GRAFT POLYMER

Provided are: a new viscosity index improver having higher shear stability; and an oil composition including the viscosity index improver. The viscosity index improver comprises a conjugated diene-based graft polymer, wherein in the conjugated diene-based graft polymer, a side chain (b) comprising a polymer including a structural unit derived from at least one monomer selected from the group consisting of a conjugated diene and an aromatic vinyl compound is bonded, via one tri- or higher-valent heteroatom which serves as a branch point, to a main chain (a) comprising a polymer including a structural unit derived from a conjugated diene, the main chain (a) is bonded, directly or via a linking chain, to the branch point, the side chain (b) is directly bonded to the branch point, and the heteroatom is at least one selected from the group consisting of Si, Sn, Ge, Pb, P, B, and Al.

LUBRICATING OIL COMPOSITION

PROBLEM TO BE SOLVED: To obtain a lubricating oil composition that has improvements in wear resistance, rust preventing property, or the like, without impairing heat resistance which fluorine oil or fluorine grease inherently possesses by adding a fluorine-containing organophosphorus compound. SOLUTION: This lubricating oil composition is prepared by adding to a perfluoropolyether base oil the fluorine-containing organophosphorus compound represented by the formula: RfRPO(OR')2 (wherein Rf is a perfluoropolyether group; and R is a 2-6C alkylene group; R' is hydrogen atom, a 1-6C alkyl group, cyclohexyl group, vinyl group, phenyl group, a trile group, benzyl group, phenylethyl group or halogen atom-substituted groups of these groups). COPYRIGHT: (C)2003,JPO ...

СМАЗОЧНОЕ МАСЛО, ПЛАСТИЧНАЯ СМАЗКА, СПОСОБ СМАЗКИ УСТРОЙСТВА С ДВИЖУЩИМИСЯ МЕТАЛЛИЧЕСКИМИ ДЕТАЛЯМИ И ФТОРПОЛИЭФИРЫ

Настоящее изобретение относится к присадкам к смазочным маслам и пластичным смазкам, которые придают указанным смазочным маслам и пластичным смазкам чрезвычайно высокие эксплуатационные характеристики при условиях граничной смазки. Такие присадки являются производными монофункциональных или дифункциональных перфторполиэфиров, представленных меркаптанами, сульфидами, дисульфидами, фосфинами, окисями фосфина и триэфирами фосфорной кислоты. 7 с. и 2 з. п. ф-лы.

Copolymer, for use as pour point improver in lubricating oil or biodiesel fuel, made by polymerizing unsaturated esters with initiators containing transferable atom groups, transition metal catalysts and coordinating ligands

The invention relates to copolymers which can be obtained using ATRP methods, whereby a mixture of ethylenically unsaturated monomers is polymerized. Said mixture is comprised of: a) 0 to 40 wt. % of one or more ethylenically unsaturated ester compounds of formula (I), wherein R represents hydrogen or methyl, R<1> represents a linear or branched alkyl radical with 1 to 5 carbon atoms, R<2> and R<3> independently represent hydrogen or a group of formula -COOR', wherein R' represents hydrogen or an alkyl group with 1 to 5 carbon atoms, of; b) 10 to 98 wt. % of one or more ethylenically unsaturated ester compounds of formula (II), wherein R represents hydrogen or methyl, R<4> represents a linear or branched alkyl radical with 6 to 15 carbon atoms, R<5> and R<6> independently represent hydrogen or a group of formula -COOR'', wherein R'' represents hydrogen or an alkyl group with 6 to 15 carbon atoms, of; c) 0 to 80 wt. % of one or more ethylenically unsaturated ester compounds of formula (III ...

Polymeric materials

A composition for adding to lubricating oil comprises a copolymer of an alkenyl-substituted organo-phosphorus compound containing a phosphinylidene group: ­ P -->O and at least one polymerizable mono-olefinically unsaturated compound having no phosphorus atoms in the molecule, at least one of the components of the polymer having an oleophilic hydrocarbon chain of at least 8 carbon atoms, the ratio of monomers lying between 1:20 and 20:1. The lubricating oil can be any natural or synthetic oil having lubricating properties. It can be a hydro-carbon oil obtained from paraffinic or naphthenic crude, or mixtures thereof. The oil may also be blended with fatty oils such as castor oil or lard oil, and/or with synthetic oils such as polymerized olefins, copolymers of alkylene glycols and alkylene oxides, organic esters (such as dioctyl sebacate, dioctyl phthalate and trioctyl phosphate and polyalkyl silicone polymers. The composition is present in a minor proportion by weight, generally from 0,01% ...

Metalworking compositions and their preparation

Metalworking compositions and their preparation

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.

New phosphorated polymeric compounds

GRADIENTENCOPOLYMERE SOWIE VERFAHREN ZUR HERSTELLUNG UND VERWENDUNG

Polyisobutene phosphonic acids are useful as a surface modifier for organic or inorganic materials, as a corrosion inhibitor, antiwear agent, emulsifier, dispersing agent, adhesion promoter, wetting agent or printing ink additive

Polyisobutene phosphonic acids are new. A Polyisobutene phosphonic acid (I) or corresponding salt comprises a phosphonic acid group of formula (1) [Structure I, p24] (1) R 1>, R 2>halo, OR 3>, SR 3>or NR 3>R 4>; R 3>, R 4>H, 1-20C alkyl or 2-4000C alkyl containing O, S or NR 1>1 whereby R 3>and R 4>together with the N atom they are bonded to optionally form a ring, aryl, aralkyl or cycloalkyl R 1>1 : R 3>, R 4> Independent claims are included for: (1) compositions having a maximum sulfur content of 1000 ppm comprising a polyisobutylenephosphonic acid (I) and at least one carrier; (2) a process for the production of a Polyisobutene phosphonic acid (I) by reaction of a polyisobutene with a phosphorous pentahalide and either reaction of the resulting product (II) with a halogen trap and optionally with water, at least one alcohol, a thiol and/or an amine or reaction of the resulting reaction product (II) with water, at least one alcohol, a thiol and/or an amine; (3) a fuel and lubricant additive ...

Gradient copolymers and method for the production thereof and their use

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. These have a methyl group to methylene group branch ratio of less than 0.19, wherein the derivative has an empirical formula of where X can be R which is a hydrocarbon group of 3 to 30 carbon atoms which is unsubstituted or substituted by O, S or N; and where each of R1, R2, R3 and R4 is hydrogen or alkyl or alkenyl of 1 to 500 carbon atoms.

BLOCK COPOLYMERS AND A METHOD FOR THEIR PREPARATION AND USE

The invention relates to block copolymers that are obtained by polymerizing a mixture of olefinically unsaturated monomers consisting of: a) 0 to 40 weight % of one or more ethylenically unsaturated ester compounds of formula (I), wherein R represents hydrogen or methyl, R1 represents a linear or branched alkyl radical having 1 to 5 carbon atoms, R2 and R3 independently represent hydrogen or a group of formula COOR', wherein R1' represents hydrogen or an alkyl group having 1 to 5 carbon atoms; b) 10 to 98 weight % of one or more ethylenically unsaturated ester compounds of formula (II), wherein R represents hydrogen or methyl, R4 represents a linear or branched alkyl radical having 6 to 15 carbon atoms, R5 and R6 independently represent hydrogen or a group of formula -COOR'', wherein R'' represents hydrogen or an alkyl group having 6 to 15 carbon atoms, c) 0 to 80 weight % of one or more ethylenically unsaturated ester compounds of formula (III), wherein R represents hydrogen or methyl, ...

Gradient copolymers and method for producing and use thereof

本发明涉及可通过聚合组成如下的烯属不饱和单体的混合物而得到的梯度共聚物:a)0－40%重量的一种或多种具有结构式(I)的烯属不饱和酯化合物,其中R是氢或甲基,R’表示具有1－5个碳原子的线性或支链烷基残基,R 2 和R 3 独立地表示氢或具有结构式－COOR’的基团,其中R’表示氢或具有1－5个碳原子的烷基,b)10－98%重量的一种或多种具有结构式(II)的烯属不饱和酯化合物,其中R是氢或甲基,R 4 表示具有6－15个碳原子的线性或支链烷基残基,R 5 和R 6 独立地是氢或具有结构式－COOR”的基团,其中R”表示氢或具有6－15个碳原子的烷基基团,c)0－80%重量的一种或多种具有结构式(III)的烯属不饱和酯化合物,其中R是氢或甲基,R 7 表示具有16－30个碳原子的线性或支链烷基残基,R 8 和R 9 独立地是氢或具有结构式－COOR’”的基团,其中R”’表示氢或具有16－30个碳原子的烷基,d)0－50%重量的共聚单体。这种新的共聚物用作倾点改进剂。

COPOLYMERS USEFUL IN PARTICULAR AS MULTI-FUNCTIONAL ADDITIVES TO LUBRICANTS AND COMPOSITIONS CONTAINING SAID COPOLYMERS

Технологическая смазка для холодной обработки металлов давлением

ТЕХНОЛОГИЧЕСКАЯ СМАЗКА ДЛЯ ХОЛОДНОЙ ОБРАБОТКИ МЕТАЛЛОВ ДАВЛЕНИЕМ , содержащая минеральное масло и полимерную добавку, о т л и ч а ю щ а я с я тем, что, с целью снижения энергосиловых параметров прокатки и повьшения качества обрабатываемой поверхности, смазка в качестве полимерной добавки содержит смесь фосфонированного и бромированного полиэтиленов мол. массы 800 1000 и дополнительно содержит, моноалкиловый эфир полиэтиленгликоля первичных жирных спиртов фракции С,, с числом молей окиси этилес ,г на 8-10 при следукмдем соотношении компонентов, мае. %: Фосфонированный полиэтилен мол. массы 800-1000 . 10-25 Бромированный полиэтилен мол. массы 800-1000 5-20 Моноалкиловый эфир полиэтиленгликоля первичных жирных спир- ; тов фракции C)g с числом с,омолей окиси этилена 8-10 0,5-1,5 Минеральное i: о :л Остальное масло о ...

METHOD FOR CONTROLLING VISCOSITY OF ORGANIC LIQUIDS AND COMPOSITIONS CONTAINING SAID ORGANIC LIQUIDS

... 1499733 Lubricants EXXON RESEARCH & ENG CO 24 April 1975 [17 May 1974] 17029/75 Heading C5F A composition comprises a major amount of an organic liquid and minor amounts of an ionic polymer and of a cosolvent. The organic liquid has a solubility parameter of 6À0 to 10À5. The ionic polymer amounts to 0À1 to 20% by weight of the organic liquid, and comprises a hydrocarbon backbone and from 0À2 to 10 mole per cent of pendant carboxylate, sulphonate or phosphonate groups, neutralized to the extent of 50 to 500% with a basic compound of Group I (A or B) or Group II (A or B) of the periodic table or Pb, Sn or Sb. The cosolvent amounts to 10 to 600 moles per mole of pendant ionic group, is soluble in or miscible with the organic liquid, and has a solubility parameter at least one unit greater than that of the organic liquid and between 10 and 20. The term "solubility parameter" is defined by reference to the literature. The cosolvent may be an alcohol, an amine, an ether or an ester. A list of ...

METALWORKING COMPOSITIONS AND THEIR PREPARATION

The present invention provides a method and use of incorporating water-soluble or water-dispersible polymer(s), stabilized in an invert (water-in-oil) emulsion, into an oil continuous metalworking emulsifiable concentrate, which is then diluted with water to form an end use oil-in-water emulsion. According to the present invention, the invert polymer emulsion (A) is added to the metalworking emulsifiable concentrate (B) to embed at least one water-soluble or water-dispersible polymer into the metalworking emulsifiable concentrate, to form a stable, emulsifiable concentrate (C). The stable, emulsifiable concentrate (C) is then diluted with water to form an end use oil-in-water emulsion (D) causing the water-soluble or water-dispersible polymer in the end use emulsion to impart antimist performance.

GRADIENT COPOLYMERS, AS WELL AS A METHOD FOR THEIR PREPARATION AND USE

The invention relates to gradient copolymers which can be obtained by polymerizing a mixture of olefinically unsaturated monomers. Said mixture is comprised of: a) 0 to 40 wt. % of one or more ethylenically unsaturated ester compounds of formula (I), wherein R represents hydrogen or methyl, R1 represents a linear or branched alkyl radical with 1 to 5 carbon atoms, R2 and R3 independently represent hydrogen or a group of formula -COOR', wherein R' represents hydrogen or an alkyl group with 1 to 5 carbon atoms, of; b) 10 to 98 wt. % of one or more ethylenically unsaturated ester compounds of formula (II), wherein R represents hydrogen or methyl, R4 represents a linear or branched alkyl radical with 6 to 15 carbon atoms, R5 and R6 independently represent hydrogen or a group of formula -COOR'', wherein R'' represents hydrogen or an alkyl group with 6 to 15 carbon atoms, of; c) 0 to 80 wt. % of one or more ethylenically unsaturated ester compounds of formula (III), wherein R represents hydrogen or methyl, R7 represents a linear or branched alkyl radical with 16 to 30 carbon atoms, R8 and R9 independently represent hydrogen or a group of formula -COOR''', wherein R''' represents hydrogen or an alkyl group with 16 to 30 carbon atoms, and of; d) 0 to 50 wt. % of comonomers, whereby the mixture of the ethylenically unsaturated monomers is modified during chain growth in order to obtain copolymers, which have a gradient. The novel copolymers are used as setting point improvers.

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.

LUBRICATING OILS AND GREASES

LUBRICATING COMPOSITIONS

Lubricating compositions containing a phosphorus-containing salt of an acylated ethylene-α-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 REGULATING AGENT FOR LUBRICATING OIL AND LUBRICATING OIL COMPOSITION

PROBLEM TO BE SOLVED: To provide a friction regulating agent for lubricating oil exhibiting lowered shock in gear change and having improved torque transmission function. SOLUTION: The friction regulating agent for a lubricating oil is composed of an oil-soluble copolymer having a weight-average molecular weight of ≥3,000 and containing a unit of at least one monomer (a) expressed by general formula (1), CH2=C(R1)-Q-(Z-A1)m-X and a unit of at least one monomer (b) expressed by general formula (2), CH2=C(R3)-CO-(O-A2)n-OR4 (X is PH2, NH2 or (O)a-P(=O)b(OR2)2; one of (a) and (b) is 1 and the other is 0 or 1; R2 is H, an alkyl or the like; R1 and R3 are each H or methyl; Z is O or NH; A1 and A2 are each an alkylene; (m) is an integer of 0-50; Q is CO or a hydrocarbon group; (n) is an integer of 0-30; and R4 is an alkyl or the like). COPYRIGHT: (C)2004,JPO ...

Copolymers obtainable by the ATRP method and a method for their preparation and their use

This invention concerns copolymers, which are obtainable by ATRP methods, where a mixture of ethylenically unsaturated monomers consisting ofa) 0 to 40% by weight of one or more ethylenically unsaturated ester compounds of formula (I)where R is hydrogen or methyl, R1 means a linear or branched alkyl residue with 1 to 5 carbon atoms, R2 and R3 independently represent hydrogen or a group of the formula -COOR', where R' means hydrogen or an alkyl group with 1 to 5 carbon atoms,b) 10 to 98% by weight of one or more ethylenically unsaturated ester compounds of formula (II)where R is hydrogen or methyl, R4 means a linear or branched alkyl residue with 6 to 15 carbon atoms, R5 and R6 independently are hydrogen or a group of the formula -COOR'', where R'' means hydrogen or an alkyl group with 6 to 15 carbon atoms,c) 0 to 80% by weight of one or more ethylenically unsaturated ester compounds of formula (III)where R is hydrogen or methyl, R7 means a linear or branched alkyl residue with 16 to 30 ...

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 ...

LUBRICANT COMPOSITION WITH PHOSPHATE-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.

METHOD FOR CONTROLLING VISCOSITY OF ORGANIC LIQUIDS AND COMPOSITIONS CONTAINING SAID ORGANIC LIQUIDS

COPOLYMERS FOR LUBRICATING METALS

The present invention relates to the use, in a lubricating composition for metal, of a copolymer obtained by radical copolymerization of a mixture comprising: - ethylenically unsaturated monomers m1 bearing phosphorus-comprising groups, typically phosphonates, - monomers m2 bearing a hydrophobic chain.

OBERFLÄCHEN MIT ÖL-PTFE-SCHMIERSTOFF UND VERFAHREN ZU DEREN HERSTELLUNG

Die Erfindung bezieht sich auf das Gebiet der Chemie und betrifft Oberflächen mit Öl-PTFE-Schmierstoff, wie sie beispielsweise im Maschinenbau, eingesetzt werden. Aufgabe der vorliegenden Erfindung ist es, Oberflächen mit Öl-PTFE-Schmierstoff anzugeben, die stabil und langzeitwirksam miteinander verbunden sind. Die Aufgabe wird gelöst durch Oberflächen mit Öl-PTFE-Schmierstoff, bei denen PTFE-Partikel über -COF- und/oder -COOH-Gruppen und über radikalisch gekoppelte Phosphit- und/oder Phosphonat- und/oder Phosphat- und/oder Sulfonatund/oder Sulfat- und/oder Silan-Gruppen nach einer reaktiven Umsetzung unter mechanischer Beanspruchung mit der Oberfläche über koordinative Bindungen und/oder Ionenbindungen chemisch gekoppelt vorliegen. Die Aufgabe wird weiterhin gelöst durch ein Verfahren, bei dem modifizierte PTFE-Partikel mit -COF- und -COOH-Gruppen und Perfluoralkyl-(peroxy-)Radikalen in einem Öl oder einem Ölgemisch mit < 10 Ma.-% organischen olefinisch ungesättigten Phosphit- und/oder ...

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

METHOD FOR CONTROLLING VISCOSITY OF ORGANIC LIQUIDS

LUBRICATING GREASE HAVING A HIGH WATER RESISTANCE

... ²²²The invention relates to lubricating greases containing at least one ²thickening agent and at least one lubricating oil. The lubricating grease ²contains at least one polymeric structure improver that can be obtained by ²polymerizing monomer compositions comprised of: a) 0 to 40 % by weight, with ²regard to the weight of the monomer compositions for producing the polymer ²structure improvers, of at least one (meth)acrylate of formula (I), in which R ²represents hydrogen or methyl, R' represents a linear or branched alkyl ²radical with 1 to 5 carbon atoms; b) 40 to 99.99 % by weight, with regard to ²the weight of the monomer compositions for producing the polymeric structure ²improvers, of at least one (meth) acrylate of formula (II), in which R ²represents hydrogen or methyl and R2 represents a linear or branched alkyl ²radical with 6 to 30 carbon atoms; c) 0.01 to 20 % by weight, with regard to ²the weight of the monomer compositions for producing the polymeric structure ²improvers, ...

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.

COPOLYMERS WHICH CAN BE OBTAINED USING ATRP METHODS, AND METHOD FOR PRODUCING AND USING THE SAME

The invention relates to copolymers which can be obtained using ATRP methods, whereby a mixture of ethylenically unsaturated monomers is polymerized. Said mixture is comprised of: a) 0 to 40 wt. % of one or more ethylenically unsaturated ester compounds of formula (I), wherein R represents hydrogen or methyl, R1 represents a linear or branched alkyl radical with 1 to 5 carbon atoms, R2 and R3 independently represent hydrogen or a group of formula - COOR', wherein R' represents hydrogen or an alkyl group with 1 to 5 carbon atoms, of; b) 10 to 98 wt. % of one or more ethylenically unsaturated ester compounds of formula (II), wherein R represents hydrogen or methyl, R4 represents a linear or branched alkyl radical with 6 to 15 carbon atoms, R5 and R6 independently represent hydrogen or a group of formula -COOR'', wherein R'' represents hydrogen or an alkyl group with 6 to 15 carbon atoms, of; c) 0 to 80 wt. % of one or more ethylenically unsaturated ester compounds of formula (III), wherein ...

Novel polymers phosphorus compounds

COPOLYMERS WHICH CAN BE OBTAINED USING ATRP METHODS, AND METHOD FOR PRODUCING AND USING THE SAME

The invention relates to copolymers which can be obtained using ATRP methods, whereby a mixture of ethylenically unsaturated monomers is polymerized. Said mixture is comprised of: a) 0 to 40 wt. % of one or more ethylenically unsaturated ester compounds of formula (I), wherein R represents hydrogen or methyl, R1 represents a linear or branched alkyl radical with 1 to 5 carbon atoms, R2 and R3independently represent hydrogen or a group of formula -COOR', wherein R' represents hydrogen or an alkyl group with 1 to 5 carbon atoms, of; b) 10 to 98 wt. % of one or more ethylenically unsaturated ester compounds of formula (II), wherein R represents hydrogen or methyl, R4 represents a linear or branched alkyl radical with 6 to 15 carbon atoms, R5 and R6 independently represent hydrogen or a group of formula -COOR'', wherein R'' represents hydrogen or an alkyl group with 6 to 15 carbon atoms, of; c) 0 to 80 wt. % of one or more ethylenically unsaturated ester compounds of formula (III), wherein ...

Phosphonate adducts of olefinic lubricants having enhanced properties

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

VISCOSITY INDEX IMPROVER, AND LUBRICATING OIL COMPOSITION

PROBLEM TO BE SOLVED: To provide a viscosity index improver excellent in viscosity index-improving effect and shear stability. SOLUTION: This viscosity index improver containing a copolymer (A) and an alkoxy compound (D) expressed by formula (1) is provided with that (A) is a copolymer containing, as a constituting monomer, an alkyl methacrylate having 1-36C alkyl group (a) and ≥1 kind of a monomer (b) selected from the group consisting of a hydroxy group-containing monomer (b1), a carboxyl group-containing monomer (b2), a phosphate ester-containing monomer (b3), a phosphono group-containing monomer (b4), an amino group-containing monomer (b5), an amide group-containing monomer (b6), a thiol group-containing monomer (b7) and a sulfonic acid group-containing monomer (b8). COPYRIGHT: (C)2011,JPO&INPIT ...

PHOSPHONATE ADDUCTS OF OLEFINIC LUBRICANTS HAVING ENHANCED PROPERTIES

BLOCK COPOLYMERS AND A METHOD FOR THEIR PREPARATION AND USE

The invention relates to block copolymers that are obtained by polymerizing a mixture of olefinically unsaturated monomers consisting of: a) 0 to 40 weight % of one or more ethylenically unsaturated ester compounds of formula (I), wherein R represents hydrogen or methyl, R1 represents a linear or branched alkyl radical having 1 to 5 carbon atoms, R2 and R3 independently represent hydrogen or a group of formula COOR', wherein R1' represents hydrogen or an alkyl group having 1 to 5 carbon atoms; b) 10 to 98 weight % of one or more ethylenically unsaturated ester compounds of formula (II), wherein R represents hydrogen or methyl, R4 represents a linear or branched alkyl radical having 6 to 15 carbon atoms, R5 and R6 independently represent hydrogen or a group of formula -COOR", wherein R" represents hydrogen or an alkyl group having 6 to 15 carbon atoms, c) 0 to 80 weight % of one or more ethylenically unsaturated ester compounds of formula (III), wherein R represents hydrogen or methyl, R7 ...

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 aver-age total number of carbon atoms of at least 8; and (b) a second block having (meth)acrylic units further having a heteroatom-con-taining 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.

Copolymer which can be obtained using ATRP methods, and method for producing and using the same

LUBRICANT COMPOSITIONS CONTAINING TERPOLYMERS

Lubricating oils and greases

The present invention relates to additives for lubricating oils and greases which endow said lubricating oils and greases 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.

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 compositions

... 1,140,179. Copolymers. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 27 Nov., 1967, No. 53761/67. Heading C3P. [Also in Division C5] Copolymers of one or more olefinically unsaturated aliphatic hydrocarbons, alkyl esters of olefinically unsaturated carboxylic acids and olefinically unsaturated compounds containing a phosphorus atom or a heterocyclic nitrogen atom, may be prepared by copolymerization in the presence of a radical initiator. The monomers may be ethylene, butadiene, isoprene or dimethylbutadiene; methyl, lauryl or stearyl methacrylate, isobutyl acrylate, diethyl maleate, dioctyl fumarate or diisooctyl itaconate; and vinyl phosphonic acid and esters, isopropylidene phosphonic acid and esters, N-vinylpyrrolidone, vinyl pyridines, N-vinyl carbazole, N-vinyl-2-oxazolidone, N-vinyl succinimide, 4- vinyl pyrimidine or 2-vinyl quinoline. Copolymers of constant composition may be obtained by adding reactive monomer(s) to the polymerizing mixture or by polymerization to low conversion ...

VERFAHREN ZUR STEUERUNG DER VISKOSITAET ORGANISCHER FLUESSIGKEITEN

Copolymers which can be obtained using atrp methods, and method for producing and using the same

Copolymers obtained by polymerisation of a mixture of unsaturated ester comonomers derived from alkanols of various chain lengths, in presence of initiators containing transferable atom groups, transition metal catalysts and coordinating ligands for the transition metal. Copolymers (CP) obtained by polymerisation of unsaturated monomers with initiators containing a transferable atom group and transition metal catalysts in presence of coordinating ligands for the transition metals, using a monomer mixture comprising (a) 0-40 wt% unsaturated ester compound(s) of formula R 2>R 3>C=CR-COOR 1> (I), (b) 10-98 wt% unsaturated ester(s) of formula R 5>R 6>C=CR-COOR 4> (II), (c) 0-80 wt% unsaturated ester(s) of formula R 8>R 9>C=CR-COOR 7> (III) and (d) 0-50 wt% comonomers, in which R : H or methyl; R 1>1-5C alkyl (linear or branched); R 2>, R 3>H or -COOR'; R' : H or 1-5C alkyl; R 4>6-15C alkyl; R 5>, R 6>H or -COOR; R : H or 6-15C alkyl; R 7>16-30C alkyl; R 8>, R 9>H or -COOR'; R' : H or 16-30C alkyl Independent claims are also included for; (1) A concentrate for use as a lubricating oil additive, containing 15-85 wt% CP; (2) Lubricating oil containing CP; (3) Biodiesel fuel containing CP; (4) Method for the production of CP by adding all the monomers at the start; and (5) Method for the production of CP by adding the monomers continuously or in batches.

Macromolecule friction modifier with two polar ends

The invention relates to a macromolecule friction modifier with two polar ends. A friction modifier molecule is a straight chain macromolecule and comprises structures of the following formula which is as shown in the specification, wherein R1 represents for phenyl or cyclohexyl; R2 represents for methyl or hydrogen atom; m is an integer of 0-100; n is an integer of 0-100; P1 and P2 are self-existent polar groups which contain nitrogen, oxygen, sulfur, phosphorus, fluorine, boron or chlorine heteroatoms. Compared with the conventional friction modifier molecule with a polar group at one end and non-polar hydrocarbons at the other end, the macromolecule friction modifier with two polar ends has the advantages that two functional polar ends of a long chain are in ligand with metals on surfaces of a friction pair; two metal surfaces of the friction pair are completely partitioned by the long chain; the direct contact of two friction surfaces is avoided; the abrasion-free friction is implemented ...

LUBRICATING OIL ADDITIVE COMPOSITION AND LUBRICATING OIL COMPOSITION

A lubricating oil additive composition that is suitable as a load bearing additive, and is excellent in wear resistance, extreme pressure property, and thermal stability, and a lubricating oil composition containing the lubricating oil additive composition. A lubricating oil additive composition containing a poly(meth)acrylate-based copolymer (X) containing a structural unit (a) derived from a particular alkyl (meth)acrylate (A), a structural unit (b) derived from a particular hydroxy group containing (meth)acrylate (B), and a structural unit (c) derived from a particular phosphorus-containing (meth)acrylate (C).

Polymerization process

... 948,528. Linear cyclic phosphorus containing polymers. SHELL RESEARCH Ltd. Oct. 2, 1961 [Oct. 4, 1960], No. 35536/61. Addition to 903,701. Heading C3P. [Also in Division C5] An oil-soluble linear cyclic phosphorus containing polymeric compound is prepared by polymerising a dialkenyl phosphorus-containing compound having at least one P-C linkage with or without a mono-olefinically unsaturated compound containing no phosphorus in the presence of an azo or oxygen-yielding catalyst at 50 to 175‹C. using a chloro-orgainic solvent. A list of phosphorus-containing monomers includes dialkyl ethyl phosphonate, alkyl methalkyl phenyl phosphonate, alkyl lauryl prop-2-enyl phosphonate, diallyl phosphinic acid methylallyl methallyl phosphinate, diallyl benzyl phosphine oxide and dimethallyl isopropyl phosphineoxide. The non- phosphorus monomer may comprise acrylic and alpha-substituted acrylic acids, their esters, nitriles and amides, vinyl esters of organic acids, vinyl ethers, ketones and aryl compounds ...

Friction regulator for lubricating oil and lubricating oil composition

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 R 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 ...

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 ...

LUBRICATING GREASE HAVING A HIGH WATER-RESISTANCE

Schmiermittelzusammensetzung mit phosphatfunktionalisierten Polymeren

Die vorliegende Erfindung betrifft eine Schmiermittelzusammensetzung, enthaltend mindestens ein Polyalkyl(meth)acrylat, umfassend Wiederholungseinheiten, die von (Meth)acrylaten mit 6 bis 22 Kohlenstoffatomen im Alkoholrest abgeleitet sind, wobei das Polyalkyl(meth)acrylat Wiederholungseinheiten umfasst, die von ethylenisch ungesättigten Monomeren mit mindestens einem kovalent gebundenen Phosphoratom abgeleitet sind. Weiterhin beschreibt die vorliegende Erfindung ein für eine solche Schmiermittelzusammensetzung geeignetes Polyalkyl(meth)acrylat sowie die Verwendung eines Polyalkyl(meth)acrylats mit Wiederholungseinheiten, die von ethylenisch ungesättigten Monomeren mit mindestens einem kovalent gebundenen Phosphoratom abgeleitet sind, zur Verringerung der Reibung.

SULFUR-PHOSPHORUS ADDUCTS OF CHROMIUM CATALYZED POLYALPHAOLEFINS

Copolìmeros de gradientes bem como processos para a sua preparação e aplicação

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/cm3)1/2.

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.

Viscosity index modifier for lubricating oil composition

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。

Blockcopolymere sowie Verfahren zur Hestellung und Verwendung

The invention relates to block copolymers that are obtained by polymerizing a mixture of olefinically unsaturated monomers consisting of: a) 0 to 40 weight % of one or more ethylenically unsaturated ester compounds of formula (I), wherein R represents hydrogen or methyl, R<1> represents a linear or branched alkyl radical having 1 to 5 carbon atoms, R<2> and R<3> independently represent hydrogen or a group of formula COOR', wherein R1' represents hydrogen or an alkyl group having 1 to 5 carbon atoms; b) 10 to 98 weight % of one or more ethylenically unsaturated ester compounds of formula (II), wherein R represents hydrogen or methyl, R4 represents a linear or branched alkyl radical having 6 to 15 carbon atoms, R<5> and R<6> independently represent hydrogen or a group of formula -COOR'', wherein R'' represents hydrogen or an alkyl group having 6 to 15 carbon atoms, c) 0 to 80 weight % of one or more ethylenically unsaturated ester compounds of formula (III), wherein R represents hydrogen ...

MITTELS ATRP-VERFAHREN ERHÄLTLICHE COPOLYMERE SOWIE VERFAHREN ZUR HERSTELLUNG UND VERWENDUNG

Block copolymers and method for the production and utilization thereof

ADDITIVE FOR LUBRICANTS AND LUBRICANT COMPOSITIONS

Additif pour lubrifiants contenant un polymère soluble dans l’huile (B) comportant au moins un élément (M) sélectionné parmi le groupe consistant en métaux des Groupes 6 à 15 de la quatrième à la septième périodes du tableau périodique de forme longue dans une quantité allant de 0,1 à 100 atomes par molécule en moyenne et possèdant un poids moléculaire moyen en nombre de 500 à 1,000,000; compositions additives pour lubrifiants comprenant chacune l’additif ci-dessus et un autre additif et/ou un diluant; compositions d’huile lubrifiante comprenant chacune l’additif ou la composition additive et une huile de base, avec une teneur en polymère (A) de 0,01 à 30 % en poids sur la base du poids de la composition d’huile lubrifiante; et compositions graisseuses comprenant chacune l’additif ou la composition additive et une graisse de base consistant en une huile de base et un épaississeur. L’additif est excellent en matière de solubilité dans une huile de base, et les compositions d’huile lubrifiante ...

LUBRICATING OILS CONTAINING DITHIOPHOSPHORYLATED COPOLYMERS OF AZIRIDINEETHYL ACRYLATES OR METHACRYLATES AND ALKYL ACRYLATES OR METHACRYLATES

Gradientencopolymere sowie Verfahren zur Herstellung und Verwendung

Die vorliegende Erfindung betrifft Gradientencopolymere, die dadurch erhältlich sind, daß man eine Mischung von olefinisch ungesättigten Monomeren polymerisiert, die aus DOLLAR A a) 0 bis 40 Gew.-% einer oder mehreren ethylenisch ungesättigten Esterverbindungen der Formel (I) DOLLAR F1 worin R, R·1·, R·2· und R·3· die in der Beschreibung angeführte Bedeutung besitzen, DOLLAR A b) 10 bis 98 Gew.-% einer oder mehreren ethylenisch ungesättigten Esterverbindungen der Formel (II) DOLLAR F2 worin R, R·4·, R·5· und R·6· die in der Beschreibung angeführte Bedeutung besitzen, DOLLAR A c) 0 bis 80 Gew.-% einer oder mehreren ethylenisch ungesättigten Esterverbindungen der Formel (III) DOLLAR F3 worin R, R·7·, R·8· und R·9· die in der Beschreibung angeführte Bedeutung besitzen, DOLLAR A d) 0 bis 50 Gew.-% Comonomer DOLLAR A besteht, wobei man die Mischung der ethylenisch ungesättigten Monomere während des Kettenwachstums verändert, um Copolymere zu erhalten, die einen Gradient aufweisen. DOLLAR A Die ...

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 ...

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.

EXTREME PRESSURE AGENT FOR LUBRICANT OIL AND LUBRICANT OIL COMPOSITION CONTAINING SAME

The purpose of the present invention is to provide an extreme pressure agent which does not contain any metal element or the like and is highly safe but which exhibits performance equivalent to those of conventional extreme pressure agents each containing a metal element or the like when used in lubrication purposes. 2. The extreme pressure agent for lubricant oils according to claim 1 , wherein the copolymer (A) is a copolymer consisting of the alkyl acrylate (a) and the hydroxyalkyl acrylate (b).3. The extreme pressure agent for lubricant oils according to claim 1 , wherein Rof the alkyl acrylate (a) is an alkyl group having 10 to 14 carbon atoms.4. A lubricant oil composition comprising a base oil and the extreme pressure agent for lubricant oils according to claim 1 , wherein the extreme pressure agent for lubricant oils is contained in an amount of 0.1 to 50 wt % with respect to the total amount of the lubricant oil composition.5. The extreme pressure agent for lubricant oils according to claim 2 , wherein Rof the alkyl acrylate (a) is an alkyl group having 10 to 14 carbon atoms.6. A lubricant oil composition comprising a base oil and the extreme pressure agent for lubricant oils according to claim 2 , wherein the extreme pressure agent for lubricant oils is contained in an amount of 0.1 to 50 wt % with respect to the total amount of the lubricant oil composition.7. A lubricant oil composition comprising a base oil and the extreme pressure agent for lubricant oils according to claim 3 , wherein the extreme pressure agent for lubricant oils is contained in an amount of 0.1 to 50 wt % with respect to the total amount of the lubricant oil composition.8. A lubricant oil composition comprising a base oil and the extreme pressure agent for lubricant oils according to claim 5 , wherein the extreme pressure agent for lubricant oils is contained in an amount of 0.1 to 50 wt % with respect to the total amount of the lubricant oil composition. The present invention ...

DIESEL MOTOR HAVING IMPROVED PROPERTIES

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. 1. A motor designed for biodiesel compatibility , comprising:a particulate filter,a motor control unit suitable for injecting fuel to an engine in order to increase an exhaust temperature, anda lubricant composition, wherein the lubricant composition comprises an ester group comprising polymer.2. The motor according to claim 1 , wherein the motor meets requirements of exhaust emission standard EURO 5.3. The motor according to claim 1 , wherein the motor further comprises a common rail system.4. The motor according to claim 1 , wherein the motor further comprises an exhaust gas recirculation.5. The motor according to claim 1 , wherein the particulate filter is a wall-flow filter.6. The motor according to claim 1 , wherein the ester group comprising polymer is an alkyl (meth)acrylate polymer.7. The motor according to claim 1 , wherein the lubricant composition comprises a mixture of at least two polymers comprising ester groups.8. The motor according to claim 1 , wherein the lubricant composition comprises an alkyl (meth)acrylate polymer and an ethylene vinyl acetate polymer.9. The motor according to claim 1 , wherein the lubricant composition comprises an ester group comprising polymer and an olefinic polymer.10. The motor according to claim 1 , wherein the ester group comprising polymer is an alkyl (meth)acrylate polymer comprising dispersing groups.11. The motor according to claim 1 , wherein the ester group comprising polymer is an alkyl (meth)acrylate polymer comprising units derived from (meth)acrylates comprising from 23 to 4000 carbon atoms.12. The motor according to claim 1 , wherein the ester group comprising ...

Process for Preparing Polymers and Compositions Thereof

The present invention provides a process for preparing a polymer, employing the steps of: (1) contacting a free radical initiator; a chain transfer agent containing a thiocarbonyl thio group and a free radical leaving group; and a radically polymerisable monomer, to form a polymer chain; and (2) contacting the polymer chain of step (1) with at least one of a polyvalent coupling agent, a polymerisation inhibitor, a grafting acylating agent, an amine and an oil of lubricating viscosity. The invention further provides compositions and uses for the polymer. 1. A composition comprising an oil of lubricating viscosity and a star polymer derived from at least two monomers comprising:(a) at least 50 wt % of a mixture of C12 to C15 alkyl substituted (meth)acrylate monomers; and(b) less than 50 wt % of an alkyl(meth)acrylate monomer containing 1 to 30 carbon atoms in the alkyl group, other than the C12 to C15 alkyl substituted (meth)acrylate monomer;(c) optionally containing less than 20 wt % styrene; and(d) optionally containing less than 10 wt % alkyl methacrylamide, wherein the star-polymer has about 7 to about 50 arms present on the star polymer, and wherein the star polymer is prepared by a reversible addition-fragmentation chain transfer controlled radical polymerisation process.2. The composition of claim 1 , wherein the star polymer is derived from at least two monomers consisting essentially of:(a) at least 50 wt % of a mixture of C12 to C15 alkyl substituted (meth)acrylate monomers; and(b) less than 50 wt % of an alkyl(meth)acrylate monomer containing 1 to 30 carbon atoms in the alkyl group, other than the C12 to C15 alkyl substituted (meth)acrylate monomer.3. The composition of claim 1 , wherein the star polymer is derived from at least two monomers comprising:(a) at least 50 wt % of a mixture of C12 to C15 alkyl substituted (meth)acrylate monomers; and(b) less than 50 wt % of an alkyl(meth)acrylate monomer containing 1 to 30 carbon atoms in the alkyl group, other ...

Marine Engine Lubrication

A two-stroke or four-stroke marine engine lubricating oil composition comprising an oil of lubricating viscosity in a major amount and (A) additives in respective minor amounts; and (B) a polymethacrylate viscosity modifier. Preferably, brightstock is completely or substantially absent from the composition. 1. A two-stroke or four-stroke marine engine lubricating oil composition comprising an oil of lubricating viscosity in a major amount and(A) additives, in respective minor amounts; and(B) a viscosity modifier in the form of a polymethacrylate in an amount in the range of 0.05-6 mass %,wherein the composition includes less than 0.5 mass % of brightstock; andwherein the two-stroke marine engine lubricating oil composition has a TBN of 40 to 100 mg KOH/g, as calculated using ASTM D2896, or the four-stroke marine engine lubricating oil composition has a TBN of 20 to 60 mg KOH/g, as calculated using ASTM D2896.2. The composition as claimed in claim 1 , wherein the polymethacrylate has a weight-average molecular weight of 180 claim 1 ,000 or more.5. The composition as claimed in claim 1 , in the form of a marine diesel cylinder lubricant.6. The composition as claimed in claim 1 , in the form of a trunk piston engine oil.7. A method of lubricating a cross-head marine diesel engine comprising supplying a composition as claimed in to the piston/cylinder assembly of the engine.8. A method of lubricating a trunk piston marine diesel engine comprising supplying a composition as claimed in to the engine.9. A method of reducing the amount of brightstock in a two-stroke or four-stroke marine engine lubricating oil composition comprising an oil of lubricating viscosity in a major amount and (A) additives claim 1 , in respective minor amounts; the method comprising the step of replacing claim 1 , in part or in full claim 1 , the brightstock with 0.05 to 6 mass % of (B) a viscosity modifier in the form of a polymethacrylate.10. The method as claimed in claim 9 , wherein (B) ...

THERMOASSOCIATIVE AND EXCHANGEABLE COPOLYMERS, AND COMPOSITIONS COMPRISING SAME

A composition results from the mixture of at least one copolymer A resulting from the copolymerisation of at least one monomer functionalised by diol functions and at least one compound A2 comprising at last two boronic ester functions. They have rheological properties which are very varied according to the proportion of the A1 and A2 compounds used. The field is that of associative and exchangeable polymers. 2. The composition according to claim 1 , in which the statistical copolymer A1 results from the copolymerization of at least one monomer M1 with at least two monomers M2 having different R3 groups.4. The composition according to claim 1 , in which the side chains of the statistical copolymer A1 have an average length ranging from 8 to 20 carbon atoms.5. The composition according to claim 1 , in which the statistical copolymer A1 has a molar percentage of monomer M1 of formula (I) in the copolymer ranging from 1 to 30%.6. The composition according to claim 1 , in which the statistical copolymer A1 has a number-average degree of polymerization ranging from 100 to 2000.7. The composition according to claim 1 , in which the statistical copolymer A1 has a polydispersity index (PDI) ranging from 1.05 to 3.75.10. The composition according to claim 9 , in which the chain formed by the sequence of the R claim 9 , M claim 9 , X and (R)groups with u equal to 0 or 1 of the monomer of general formula (IV) has a total number of carbon atoms ranging from 8 to 38.11. The composition according to claim 9 , in which the side chains of the copolymer A2 have an average length greater than or equal to 8 carbon atoms.12. The composition according to claim 9 , in which the copolymer A2 has a molar percentage of monomer of formula (IV) in the copolymer ranging from 0.25 to 20%.13. The composition according to claim 9 , in which the copolymer A2 has a number-average degree of polymerization ranging from 50 to 1500.14. The composition according to claim 9 , in which the copolymer A2 ...

LUBRICATING COMPOSITIONS COMPRISING THERMOASSOCIATIVE AND EXCHANGEABLE COPOLYMERS

A composition results from the mixture of at least one lubricating oil, at least one statistical copolymer A1, and at least one compound A2 including at least two boronic ester functions; the statistical copolymer A1 resulting from the copolymerisation of at least a first monomer M1 having diol functions and at least a second monomer M2 having a different chemical structure from that of the M1 monomer. The composition lubricates a mechanical part. The field is that of lubricants. 2. The composition according to claim 1 , in which statistical copolymer A1 results from the copolymerization of at least one monomer M1 with at least two monomers M2 having different Rgroups.6. The composition according to claim 5 , in which the chain formed by the sequence of R10 claim 5 , M claim 5 , X and (R)groups with u equal to 0 or 1 of the monomer of general formula (IV) has a total number of carbon atoms comprised between 8 and 38.7. The composition according to claim 5 , in which the side chains of the copolymer A2 have an average length greater than 8 carbon atoms.8. The composition according to claim 5 , in which the statistical copolymer A2 has a molar percentage of monomer of formula (IV) in the copolymer ranging from 0.25 to 20%.9. The composition according to claim 5 , in which the statistical copolymer A2 has a number-average degree of polymerization ranging from 50 to 1500.10. The composition according to claim 1 , in which the side chains of the statistical copolymer A1 have a average length ranging from 8 to 20 carbon atoms.11. The composition according to claim 1 , in which the statistical copolymer A1 has a molar percentage of monomer M1 of formula (I) ranging in said copolymer from 1 to 30%.12. The composition according to claim 1 , in which the statistical copolymer A1 has an average degree of polymerization ranging from 100 to 2000.13. The composition according to claim 1 , in which the lubricating oil is selected from the oils of Group I claim 1 , Group II claim 1 ...

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 ...

Polyacrylate Antifoam Components With Improved Thermal Stability

There is disclosed an antifoam component for a mechanical device which includes a poly(acrylate) copolymer. The antifoam component has improved thermal stability in finished fluids utilizing dibutyl hydrogen phosphite compounds, such as driveline fluids. 2. The lubricating composition of claim 1 , further comprising a phosphorous-containing component.3. The lubricating composition of claim 2 , wherein the phosphorous-containing component comprises one or more of a phosphite claim 2 , a phosphorus-containing amide claim 2 , a phosphorus-containing carboxylic acid or ester claim 2 , a phosphorus-containing ether claim 2 , and mixtures and derivatives thereof.4. The lubricating composition of claim 1 , wherein the acrylate monomer (i) is present in an amount of about 80 wt % claim 1 , or about 85 wt % claim 1 , and the comonomer (ii) is present in an amount of about 15 wt % claim 1 , or about 20 wt %.5. The lubricating composition of claim 1 , wherein the acrylate monomer (i) comprises C6-C8 alkyl esters of acrylic acid.6. The lubricating composition of claim 1 , wherein the acrylate monomer (i) comprises 2-ethylhexyl acrylate.7. The lubricating composition of claim 1 , wherein the comonomer (ii) comprises ethyl acrylate or propyl acrylate.8. The lubricating composition of claim 1 , wherein the acrylate monomer (i) is 2-ethylhexyl acrylate and the comonomer (ii) is ethyl acrylate.9. The lubricating composition of claim 8 , wherein the acrylate monomer (i) is present in an amount of 85 wt % and the comonomer (ii) is present in an amount of 15 wt %.10. The lubricating composition of claim 1 , wherein the antifoam component has a Mof from 22 claim 1 ,000 to 27 claim 1 ,000 Da.11. The lubricating composition of claim 1 , wherein the antifoam component is present in the lubricating composition in an amount from 50 ppm to about 600 ppm.12. The lubricating composition of claim 1 , further comprising at least one further additive selected from the group consisting of ...

LUBRICATING COMPOSITION

The present invention provides a lubricating composition comprising: (i) a base oil; (ii) a non-silicone anti-foam agent; and (iii) one or more performance additives; wherein the composition has a kinematic viscosity at 100° C. (according to ASTM D445) of 16.3 mm/s or less, a low temperature cranking viscosity of at most 6600 cP at −30° C. (ASTM D5293) and a NOACK volatility of at most 11% according to CEC-L-40-93. 1. A lubricating composition comprising:(i) a base oil;(ii) a non-silicone anti-foam agent; and(iii) one or more performance additives;{'sup': '2', 'wherein the composition has a kinematic viscosity at 100° C. (according to ASTM D445) of 16.3 mm/s or less, a low temperature cranking viscosity of at most 6600 cP at −30° C. (ASTM D5293) and a NOACK volatility of at most 11% according to CEC-L-40-93.'}2. Lubricating composition according to claim 1 , wherein the composition has a NOACK volatility of at most 10.5% according to CEC-L-40-93.3. Lubricating composition according to claim 1 , wherein the non-silicone anti-foam agent is selected from acrylate claim 1 , polyacrylate claim 1 , and polymethacrylate (PMA) polymers.4. Lubricating composition according to claim 1 , wherein the non-silicone anti-foam agent is present at a level of from 10 ppm to 500 pm claim 1 , by weight of the composition.5. Lubricating composition according to claim 1 , wherein the base oil comprises one or more Fischer-Tropsch derived base oils.6. Lubricating composition according to claim 5 , wherein the base oil comprises 80% or greater of one or more Fischer-Tropsch derived base oils claim 5 , by weight of the base oil.7. Lubricating composition according to claim 1 , wherein the composition is essentially free of polyalphaolefin base oil.8. Lubricating composition according to claim 1 , wherein the one or more performance additives comprises a silicone-based anti-foam agent.9. (canceled)10. (canceled)11. A method of lubrication comprising applying a lubricating composition to a ...

COPOLYMERS AND USES THEREOF

The invention relates to a specific copolymer obtainable by co-polymerizing at least the following monomers: —more than 80 wt % of at least one bicyclic (meth)acrylate ester, —0.05 to 15% w/w styrene, and—optionally other ethylenically unsaturated monomers, as well as to the way to synthesize them and the use of such polymers to modify the rheology of a liquid in which they are soluble. 1. A copolymer comprising:83-99.95 wt % of the bicyclic (meth)acrylate esters (a),0.05 to 12 wt % of styrene (b), and0 to 19 wt % of ethylenically unsaturated monomers that are not monomer (a) or (b),up to a total of 100 wt %, wherein the weight percentages of the monomer are based on the total weight of all the monomers.3. A copolymer according to claim 1 , wherein the copolymer is a random co-polymer.6. A copolymer according to claim 1 , comprising a total of bicyclic (meth)acrylate ester and styrene in an amount of 90 wt % of the total monomer claim 1 , or more.7. A copolymer according of claim 6 , comprising a total of bicyclic (meth)acrylate ester and styrene in an amount of 95 wt % or more.8. A copolymer according to claim 7 , wherein the copolymer is produced from isobornyl methacrylate and styrene.9. A copolymer according to claim 1 , having a cloud point in fuel of 12.5° C. or lower.10. A copolymer according to claim 1 , having an average weight average molecular weight of from 100 claim 1 ,000 to 50 claim 1 ,000 claim 1 ,000 D.11. Additive package for fuels comprising a copolymer of .12. Method for the preparation of a copolymer of comprising the step of radically polymerizing the specified monomers.13. Method for the preparation of an additives package for fuel claim 1 , comprising the step of making a solution comprising a copolymer of and one or more other fuel additives.14. Use of a polymer or additive package according to claim 1 , for modifying the rheology of a fluid claim 1 , by dissolving said polymer into said fluid claim 1 , whereby said fluid is not a fuel for ...

LUBRICATING OIL COMPOSITION

The present invention provides a lubricating oil composition for an internal combustion engine used mainly to drive a generator and to improve the fuel economy thereof. The composition comprises (A) a base oil being a hydrocarbon base oil having a ratio (CA/CB) of the proportion of the component of 24 or fewer carbon atoms (CA) and the proportion of the component of 25 or more carbon atoms (CB) in the carbon number distribution obtained by gas chromatography distillation of 2.0 or higher, the composition having a ratio (Vs/Vk) of the 80° C. high-temperature high-shear (HTHS) viscosity (Vk) and the 150° C. HTHS viscosity (Vs) of 0.35 or higher and a 100° C. kinematic viscosity of 2.5 mm/s or higher and 5.2 mm/s or lower. 1. A lubricating oil composition comprising (A) a base oil being a hydrocarbon base oil having a ratio (CA/CB) of proportion of component of 24 or fewer carbon atoms (CA) and proportion of component of 25 or more carbon atoms (CB) in carbon number distribution obtained by gas chromatography distillation of 2.0 or higher , the composition having a ratio (Vs/Vk) of 80° C. high-temperature high-shear (HTHS) viscosity (Vk) and 150° C. HTHS viscosity (Vs) of 0.35 or higher and a 100° C. kinematic viscosity of 2.5 mm/s or higher and 5.2 mm/s or lower.2. The lubricating oil composition according to claim 1 , further comprising (B) a viscosity index improver having a ratio of weight-average molecular weight and PSSI of 1.2×10or greater.3. The lubricating oil composition according claim 1 , wherein the composition is an engine oil for a generator.4. The lubricating oil composition according claim 2 , wherein the composition is an engine oil for a generator. The present invention relates to lubricating oil composition.Conventionally, lubricating oil has been used in an internal combustion engine, a transmission or other mechanical devices to allow the smooth operation thereof. In particular, a lubricating oil (engine oil) for an internal combustion engine is ...

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 , ...

LUBRICATING OIL COMPOSITION AND USE METHOD THEREFOR

Provided are a lubricating oil composition used in a diesel engine equipped with a forced-induction compressor, containing a base oil (A) containing a poly-α-olefin (A1), and a viscosity index improver (B) having an SSI (shear stability index) of 20 or less, having a distillation amount of a light fraction of 496° C. or less in a gas chromatography distillation test of less than 80% by volume, having a high retention of the effect of suppressing the formation of deposits that may occur inside the compressor, and being capable of retaining a high efficiency of the compressor for a long period of time, in the use thereof in a diesel engine equipped with a forced-induction compressor having an outlet temperature of the compressor becoming a high temperature reaching 190° C. or more, and a method for using the lubricating oil composition. 1. A lubricating oil composition used in a diesel engine equipped with a forced-induction compressor ,comprising a base oil (A) containing a poly-α-olefin (A1), and a viscosity index improver (B) having an SSI (shear stability index) of 20 or less, andhaving a distillation amount of a light fraction of 496° C. or less in a gas chromatography distillation test of less than 80% by volume.2. The lubricating oil composition according to claim 1 , wherein the viscosity index improver (B) contains at least one of a star polymer (B1) and a comb polymer (B2).3. The lubricating oil composition according to claim 2 , wherein the lubricating oil composition has contents of the star polymer (B1) and the comb polymer (B2) in terms of resin component each independently of 0.01 to 10% by mass based on the total amount of the lubricating oil composition.4. The lubricating oil composition according to claim 2 , wherein the viscosity index improver (B) contains a star polymer (B1) and a polymethacrylate (B3).5. The lubricating oil composition according to claim 4 , wherein the lubricating oil composition has a content of the polymethacrylate (B3) in ...

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 Improvers with defined Molecular Weight Distributions

Polyalkyl(meth)acrylate based comb polymers with weight-average molecular weights of 700,000 g/mol or greater and number-average molecular weights of 130,000 g/mol or greater can be used to improve the high temperature-high shear performance of lubricant compositions, especially of engine oil (EO) compositions. These polymers can be obtained in a reaction mixture comprising monomers, a dilution oil, and an initiator. The resulting lubricant compositions can have improved kinematic viscosity and high temperature high shear performance. 2. The polyalkyl(meth)acrylate based comb polymer according to claim 1 , wherein the weight-average molecular weight Mis from 700 claim 1 ,000 to 2 claim 1 ,000 claim 1 ,000 g/mol and the number-average molecular weight Mis from 130 claim 1 ,000 to 300 claim 1 ,000 g/moll claim 1 , determined by size exclusion chromatography (SEC) using commercially available polymethylmethacrylate standards.4. The polyalkyl(meth)acrylate based comb polymer according to claim 1 , comprising:(a) 10 to 25% by weight of the ester of (meth)acrylic acid and a hydroxylated hydrogenated polybutadiene;{'sub': '4-18', '(b) 0% to 5% by weight of at least one Calkyl acrylate;'}(c) 0% to 0.3% by weight of methyl methacrylate;(d) 60% to 75% by weight of n-butyl methacrylate;{'sub': '10-30', '(e) 5% to 20% by weight of the at least one Calkyl (meth)acrylate; and'}(f) 0% to 2% by weight of at least one styrene monomer.5. A method of increasing KVand in parallel decreasing HTHSand HTHSof a lubricating oil composition claim 1 , the method comprising adding the polyalkyl(meth)acrylate based comb polymer according to to a lubricating oil composition in need thereof.7. The additive composition according to claim 6 , wherein the weight-average molecular weight Mof component (B) is from 700 claim 6 ,000 to 2 claim 6 ,000 claim 6 ,000 g/mol and the number-average molecular weight Mis from 130 claim 6 ,000 to 300 claim 6 ,000 g/mol claim 6 , determined by size exclusion ...

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 , ...

ADDITIVES FOR FUELS AND OILS COMPRISING FUNCTIONALISED DIBLOCK COPOLYMERS

Concentrates containing specific functionalised diblock copolymers serve as effective additives for improving the cold flow behaviour of fuels and oils, the copolymers being derived from a terminally-unsaturated intermediate polymer obtained via a metallocene process involving hydrogen. 4. The process of claim 1 , wherein R′ represents n-butyl.5. The process of claim 1 , wherein claim 1 , in the compound of formula (I) claim 1 , the aromatic ring substituent joined to the second block is positioned meta to the substituent joined to the first block.6. The process of wherein the third step c) is an anionic polymerisation reaction claim 1 , wherein the terminal double bond of the intermediate of formula (II) is reacted with a metallating reagent to form an anion which initiates polymerisation therefrom upon the addition of one or more α claim 1 ,β—unsaturated monomers selected from styrene claim 1 , substituted styrene claim 1 , acrylate claim 1 , methacrylate and diene compounds.8. The process of wherein the metallating reagent comprises n-butyl lithium or sec-butyl lithium.12. The intermediate of wherein each R group independently represents an alkyl group having from 1 to 4 carbon atoms.13. The intermediate of wherein each R group independently represents a methyl group.14. The intermediate of wherein R′ represents n-butyl.15. The intermediate of wherein the other aromatic ring substituent is positioned meta to the substituent joined to the first block.16 claim 15 , The intermediate of wherein the first block consists of a polyethylene chain.17. The intermediate of wherein the first block has a number average molecular weight (Mn) claim 16 , as measured by GPC against polystyrene standards claim 16 , in the range of 500 to 20000 g mol.18. The intermediate of wherein each R group independently represents an alkyl group having from 1 to 4 carbon atoms.19. The intermediate of wherein each R group independently represents a methyl group.20. The intermediate of wherein R ...

MECHANOCHEMICAL RESISTANT INTRAMOLECULAR CROSSLINKED POLYMERS AND USES THEREOF

This invention is directed to intramolecular crosslinked polymer chains, commonly known also as single-chain polymer nanoparticles (SCPNs), with high resistance to mechanochemical bond scission and to uses thereof in solution. 1. A lubricating composition comprising an intramolecular crosslinked polymer , wherein said intramolecular crosslinked polymer comprises between 0.1 mol % and 30 mol % of crosslinkers.2. The composition of claim 1 , wherein said intramolecular crosslinked polymer is a viscosity modifier or a pour point depressant.3. The composition of claim 1 , wherein the concentration of said intramolecular cross linked polymer in said lubricant is between 0.001 wt % and 30 wt %.4. The composition of claim 1 , wherein said intramolecular crosslinked polymer comprises a single chain of a polymer or copolymer and a cross-linker claim 1 , wherein the cross linker links between two different monomers of said single chain polymer or copolymer.5. The composition of claim 4 , wherein said single chain polymer or copolymer comprises poly(aminoethyl methacrylate) claim 4 , poly(2-acetoxy)ethyl methacrylate (PAEMA) claim 4 , polystyrene claim 4 , polyacrylic acid (PAA) claim 4 , polyalanine claim 4 , polyester claim 4 , polycarbonate claim 4 , polyurea claim 4 , polyurethane claim 4 , vinyl polymers claim 4 , polyalkyl claim 4 , polyalkyl acrylate claim 4 , polybutadiene claim 4 , polyamide claim 4 , PEG claim 4 , polypropylene glycol claim 4 , polyacrylamide claim 4 , polyacrylonitrile (PAN) claim 4 , poly(2-cinnamoylethyl methacrylate) (PCMA) claim 4 , polyalkyl methacrylates claim 4 , polyisobutene claim 4 , polyisoprene claim 4 , polychloroprene claim 4 , polystyrene-coisoprene claim 4 , polymethyl methacrylate (PMMA) claim 4 , polylauryl methacrylate claim 4 , polystearyl methacrylate (PSMA) claim 4 , poly(vinyl chloride) (PVC) claim 4 , polyethylene claim 4 , polypropylene claim 4 , polytetrafluoroethylene (PTFE) claim 4 , polyvinyl cyclohexane claim 4 , poly( ...

LUBRICATING OIL COMPOSITION, LUBRICATING METHOD, AND TRANSMISSION

Provided are a lubricating oil composition containing a synthetic oil (1) having a kinematic viscosity at 100° C. of 2.5 mm/s or less, and a polymethacrylate (2) having a monovalent functional group containing an oxygen atom in the molecule while having a specific structural unit, which satisfies both high viscosity index and high shear stability, and a lubrication method and a transmission using the lubricating oil composition. 2. The lubricating oil composition according to claim 1 , wherein the monovalent functional group is a hydroxy group.3. The lubricating oil composition according to claim 1 , wherein the mass average molecular weight of the polymethacrylate is 5 claim 1 ,000 or more and 100 claim 1 ,000 or less.4. The lubricating oil composition according to claim 1 , wherein the content of the polymethacrylate is 1% by mass or more and 20% by mass or less based on the total amount of the composition.5. The lubricating oil composition according to claim 1 , which has a kinematic viscosity at 100° C. of 4 mm/s or more and 7 mm/s or less.6. The lubricating oil composition according to claim 1 , which has a viscosity index of 260 or more.7. The lubricating oil composition according to claim 1 , wherein the rate of change in kinematic viscosity at 40° C. of the composition claim 1 , as calculated according to the following method claim 1 , is 5% or less:Method for calculating rate of change in kinematic viscosity at 40° C.;{'sub': 1', '0', '0', '1', '0, 'with respect to an ultrasonically-treated composition obtained by irradiating the lubricating oil composition with ultrasonic waves for 60 minutes according to JASO M347-95 and an untreated lubricating oil composition, their kinematic viscosity at 40° C. (v, v) is measured according to JIS K2283:2000, and the rate of reduction ((v−v)/v×100) is referred to as the rate of change in kinematic viscosity at 40° C.'}8. The lubricating oil composition according to claim 1 , which is for transmissions.9. A lubrication ...

Compositions and Use Thereof for Metal Shaping

The present invention provides metal shaping compositions and processes for using same for shaping metal substrates. Specifically, the metal shaping composition discussed herein are environmentally-friendly, water-containing composition which provide excellent lubricity under metal shaping process conditions while also providing excellent rust protection. The metal shaping compositions discussed herein contain (i) a film-forming lubricant capable of being solubilized into water in dispersible or emulsifiable form and which softens at a temperature of about 80 to about 200° C.; (ii) a film forming polymeric binder capable of being solubilized into water in dispersible or emulsifiable form; (iii) a solid lubricant capable of being solubilized into water in dispersible or emulsifiable form; and (iv) a corrosion inhibitor. 1. A composition comprising:(i) a film-forming lubricant capable of being solubilized into water in dispersible or emulsifiable form and which softens at a temperature of about 80 to about 200° C.;(ii) a film forming polymeric binder capable of being solubilized into water in dispersible or emulsifiable form;(iii) a solid lubricant capable of being solubilized into water in dispersible or emulsifiable form; and(iv) a corrosion inhibitor.2. The composition according to claim 1 , further comprising one or more of(a) a coalescing/drying agent; and(b) a rheology modifier.3. (canceled).4. The composition according to claim 2 , wherein said coalescing/drying agent has an evaporation rate of about 1 to about 30.59-. (canceled).10. The composition according to claim 2 , wherein said coalescing/drying agent is a glycol ether claim 2 , a propylene glycol n-propyl ether claim 2 , a dipropylene glycol methyl ether claim 2 , or a propylene glycol butyl ether.11. The composition according to claim 2 , comprising about 0.001 to about 5% by weight of said coalescing/drying agent.12. (canceled).13. The composition according to claim 1 , wherein component (i):(a) is a ...

FUEL COMPOSITION

A fuel composition for powering a combustion engine, the composition comprising: a liquid base fuel; and a (co)polymer obtainable by (co)polymerizing at least the following monomers: •at least one bicyclic (meth)acrylate ester •optionally at least one lower-alkyl (meth)acrylate, •optionally at least one aromatic vinyl monomer, and •optionally other ethylenically unsaturated monomers. 1. A fuel composition for powering a combustion engine , the composition comprising:a liquid base fuel; anda (co)polymer obtainable by (co)polymerizing at least the following monomers:at least one bicyclic (meth)acrylate ester,optionally at least one lower-alkyl (meth)acrylate,optionally at least one aromatic vinyl monomer, andoptionally other ethylenically unsaturated monomers.2. A fuel composition according to wherein the bicyclic (meth)acrylate ester is present in an amount of more than 20% by weight claim 1 , based on the weight of all monomers.3. A fuel composition according to wherein the lower-alkyl (meth)acrylate is a C-Calkyl (meth)acrylate.7. The fuel composition according to claim 1 , wherein the copolymer comprises at most 20 wt % of other ethylenically unsaturated monomers.8. The fuel composition according to claim 1 , wherein the weight percentage of bicyclic (meth)acrylate is at least 15% higher than the weight percentage of the aromatic vinyl monomer.9. The fuel composition according to claim 1 , wherein the at least one bicyclic (meth)acrylate ester comprises claim 1 , or is claim 1 , isobornyl methacrylate.10. The fuel composition according to claim 1 , wherein the at least one lower-alkyl methacrylate comprises claim 1 , or is claim 1 , iso-butyl (meth)acrylate.11. The fuel composition according to claim 1 , wherein the at least one aromatic vinyl monomer comprises claim 1 , or is claim 1 , styrene.12. The fuel composition according to claim 1 , wherein the (co)polymer has a weight average molecular weight of at least 100 claim 1 ,000 D.13. A fuel composition ...

FRICTION REDUCING POLYELECTROLYTE COATING

A low friction coated article includes a first structure that has a first lubricated surface coated with a first polyelectrolyte coating. A second structure has a second lubricated surface with a second polyelectrolyte coating opposite the first lubricated surface. The first and second polyelectrolyte coatings include alternating layers of positively charged polyelectrolyte layers and negatively charged polyelectrolyte layers hydrated with a lubricant. 1. A low friction coated article comprising:a first structure having a first lubricated surface coated with a first polyelectrolyte coating; anda second structure having a second lubricated surface with a second polyelectrolyte coating opposite the first lubricated surface;wherein the first and second polyelectrolyte coatings including alternating layers of positively charged polyelectrolyte layers and negatively charged polyelectrolyte layers hydrated with a lubricant.2. The article of claim 1 , wherein the first and second polyelectrolyte coatings include one of the positively charged polyelectrolyte layers adjacent each of the first and second lubricated surfaces.3. The article of claim 2 , wherein the first and second polyelectrolyte coatings include N number of the positively charged polyelectrolyte layers and N−1 number of the negatively charged polyelectrolyte layers.4. The article of claim 3 , wherein N equals 6.5. The article of claim 2 , wherein an outer most layer of the first and second polyelectrolyte coatings includes one of the positively charged polyelectrolyte layers.6. The article of claim 1 , wherein at least one of the first and second polyelectrolyte coatings are macroscopically filled with lubricant.7. The article of claim 1 , wherein a coefficient of friction between the first coating and the second coating is less than 0.01.8. The article of claim 1 , wherein a coefficient of friction between the first coating and the second coating is less than 0.001.9. The article of claim 1 , wherein the ...

High Viscosity Index Comb Copolymer Viscosity Modifiers and Methods of Modifying Lubricant Viscosity Using Same

A comb copolymer viscosity modifier may be made by polymerization comprising at least, or consisting essentially of, the following monomers: (a) (optionally from 7.0 wt % to 18 wt %, by repeat units, of) a hydrogenated polybutadiene-based (alk)acrylate ester macromonomer; (b) (optionally from 33 wt % to 64 wt % or from 38 wt % to 58 wt %, by repeat units, of) a C-Calkyl (alk)acrylate ester monomer; (c) (optionally up to 35.0 wt %, by repeat units, of) a C-Calkyl (alk)acrylate ester monomer; and (d) (optionally from 3.0 wt % to 27 wt %, by repeat units, of) a C-Caryl, aralkyl, or alkaryl (alk)acrylate ester monomer, such that a sum of repeat units due to (c) plus (d) constitute at least 21.0 wt % of repeat units of the comb copolymer viscosity modifier. Lubricant compositions comprising the comb copolymer viscosity modifier, as well as uses thereof and methods for modifying viscosity and dispersancy, are also contemplated. 1. A lubricant composition comprising:a lubricating oil basestock;at least one lubricant additive comprising an antioxidant, a corrosion inhibitor, an anti-wear additive, a friction modifier, a dispersant, a detergent, a defoaming agent, an extreme pressure additive, a pour point depressant, a seal-swelling control agent, or a combination thereof; anda comb copolymer viscosity modifier made by polymerization comprising at least the following monomers:(a) a hydrogenated polybutadiene-based (alk)acrylate ester macromonomer;{'sub': 3', '8, '(b) a C-Calkyl (alk)acrylate ester monomer;'}{'sub': 12', '24, '(c) a C-Calkyl (alk)acrylate ester monomer; and'}{'sub': 6', '20, '(d) a C-Caryl, aralkyl, or alkaryl (alk)acrylate ester monomer,'}{'sub': 12', '24', '6', '20, 'wherein a sum of repeat units based on the C-Calkyl (alk)acrylate ester monomer plus the C-Caryl, aralkyl, or alkaryl (alk)acrylate ester monomer collectively comprise at least 21.0 wt % of repeat units of the comb copolymer viscosity modifier.'}2. The lubricant composition of claim 1 , ...

A LUBRICANT WITH A POLYACRYLATE BASED ON C13/15 ACRYLATE

The present invention relates to a lubricant comprising a polyacrylate which contains a Cacrylate in polymerized form, where the Cacrylate comprises at least 70 wt % of linear and branched Cand Calkyl (meth)acrylates. It further relates to the polyacrylate, to the Cacrylate, to a method for preparing the polyacrylate by free-radical polymerization of the Cacrylate, and to a method for preparing a lubricant by contacting the polyacrylate to a base oil. 115.-. (canceled)16. A lubricant comprising a polyacrylate which contains a Cacrylate in polymerized form , where the Cacrylate comprises at least 70 wt % of linear and branched Cand Calkyl (meth)acrylates.17. The lubricant according to where the linear and branched Cand Calkyl groups of the Cacrylate are derived from a Calkanol obtained by reacting a monoolefin mixture of Cand Colefins with carbon monoxide and hydrogen.18. The lubricant according to where the Cacrylate comprises less than 5 wt % of each C claim 16 , Cand Calkyl (meth)acrylate.19. The lubricant according to where the Cacrylate comprises a weight ratio of branched Cand Calkyl to linear Cand Calkyl in a range from 3:1 to 1:3.20. The lubricant according to where the Cacrylate comprises at least 40 wt % of branched Cand Calkyl groups.21. The lubricant according to where the Cacrylate comprises 35 to 85 wt % of linear and branched Calkyl groups.22. The lubricant according to where the Cacrylate comprises 15 to 50 wt % of branched Calkyl groups.23. The lubricant according to where the Cacrylate comprises 20 to 60 wt % of linear Calkyl groups claim 16 , 10 to 50 wt % of branched Calkyl groups claim 16 , 3 to 30 wt % of linear Calkyl groups claim 16 , and 3 to 30 wt % of branched Calkyl groups.24. The lubricant according to where the polyacrylate comprises at least 50 wt % of the Cacrylate.25. The lubricant according to where the polyacrylate comprises up to 25 wt % of a comonomer selected from C-Calkyl (meth)acrylate.26. The lubricant according to comprising ...

POLYMERIC COMPOSITIONS AS POUR POINT DEPRESSANTS FOR CRUDE OILS

Polymeric compositions obtainable by free-radical polymerization of at least two different alkyl (meth)acrylates in the presence of at least one ethylene-vinyl ester copolymer, the alkyl (meth)acrylates used being a mixture comprising alkyl (meth)acrylates having linear C- to C-alkyl radicals and different alkyl (meth)acrylates having linear C- to C-alkyl radicals and/or branched C- to C-alkyl radicals and/or cyclic C- to C-alkyl radicals. The use of such polymeric compositions as pour point depressants for crude oils, mineral oils or mineral oil products. 123.-. (canceled)24. A process for producing a polymer formulation , the formulation includinga polymeric composition prepared by free-radical polymerization of 70 to 90% by weight monoethylenically unsaturated monomer (A) in the presence of 30 to 10% by weight ethylene-vinyl ester copolymer (B), based on the sum of the monomers (A) and the ethylene-vinyl ester copolymers (B),{'sub': 2', '1', '4, 'sup': 1', '1, 'wherein the monomer (A) includes at least 70% by weight of alkyl(meth)acrylate (A1), based on the amount of all monomers (A), and the ethylene-vinyl ester copolymer (B) includes 55 to 85% by weight of ethylene and 15 to 45% by weight of vinyl esters of the formula HC═CH—O—(O)C—R, where Ris H or a Cto Chydrocarbyl radical, and'}a mixture of different hydrocarbon solvents, wherein the polymeric composition is present from 30% to 70% by weight, based on the sum of all components of the composition including the mixture of solvents, andthe solvent mixture includes a nonpolar solvent comprising saturated aliphatic hydrocarbon and having a flashpoint ≧60° C., and an aromatic solvent having a flashpoint ≧60° C.,said process comprising:{'sup': '3', '(I) providing a solution of the monomer (A) including alkyl(meth)acrylate (A1) in the saturated aliphatic hydrocarbon by esterifying (meth)acrylic acid with alcohols ROH;'}(II) mixing the alkyl(meth)acrylate (A1) and the ethylene-vinyl ester copolymers (B); and(III) ...

High Viscosity Index Comb Polymer Viscosity Modifiers and Methods of Modifying Lubricant Viscosity Using Same

A comb copolymer viscosity modifier may be made by polymerization comprising at least, or consisting essentially of, the following monomers: (a) (optionally from 7.0 wt % to 18 wt %, by repeat units, of) a hydrogenated polybutadiene-based (alk)acrylate ester macromonomer; (b) (optionally from 33 wt % to 64 wt %, by repeat units, of) a C-Calkyl (alk)acrylate ester monomer; (c) a C-Calkyl (alk)acrylate ester monomer; and (d) (optionally from 3.0 wt % to 25 wt %, by repeat units, of) H-endcapped, C-Calkyl-endcapped, or C-Caryl-, aralkyl-, or alkaryl-endcapped C-Coxyalkyl or C-Coligo(alkylene glycol)-based (alk)acrylate ester monomer, wherein repeat units based on monomer (c) and/or monomer (d) comprise at least 21.0 wt % (and optionally up to 35.0 wt %) of repeat units of the comb copolymer viscosity modifier. Lubricant compositions comprising the comb copolymer viscosity modifier, as well as uses thereof and methods for modifying viscosity and dispersancy, are also contemplated. 2. The lubricant composition of claim 1 , wherein:the comb copolymer viscosity modifier comprises substantially no repeat units based on styrene monomer;{'sub': 12', '24, 'repeat units based on the C-Calkyl (alk)acrylate ester monomer comprise up to 35.0 wt % of repeat units of the comb copolymer viscosity modifier; and'}{'sub': 1', '18', '6', '20', '2', '6', '2', '6, 'repeat units based on the C-Calkyl-endcapped or C-Caryl-, aralkyl-, or alkaryl-endcapped C-Coxyalkyl or C-Coligo(alkylene glycol)-based (alk)acrylate ester monomer and/or hydroxyalkyl or H-endcapped oligo(alkylene glycol)-based (alk)acrylate monomer comprise up to 25 wt % of the repeat units of the comb copolymer viscosity modifier.'}3. The lubricant composition of claim 1 , wherein:(i) repeat units based on the hydrogenated polybutadiene-based (alk)acrylate ester macromonomer comprise from 7.0 wt % to 18 wt % of the repeat units of the comb copolymer viscosity modifier;{'sub': 3', '8, '(ii) repeat units based on the C-Calkyl ( ...

LOW VISCOSITY GEAR OIL COMPOSITION PROVIDING ENHANCED FUEL EFFICIENCY

A gear oil composition includes base oil including poly-alpha-olefin (PAO) synthetic oil in 70 to 95% by weight and oil-soluble polyalkylene glycol (OSP) synthetic oil in 5 to 30% by weight based on the weight of the base oil. The gear oil further includes a polyalkyl methacrylate-based Viscosity modifer in 5 to 20 parts by weight, based on 100 parts by weight of the base oil. 1. A gear oil composition comprising:base oil including poly-alpha-olefin (PAO) synthetic oil in 70 to 95% by weight and oil-soluble polyalkylene glycol (OSP) synthetic oil in 5 to 30% by weight based on the weight of the base oil; anda polyalkyl methacrylate-based Viscosity modifer in 5 to 20 parts by weight, based on 100 parts by weight of the base oil.2. The gear oil composition of claim 1 , further comprising:additives in 3 to 20 parts by weight, based on 100 parts by weight of the base oil.3. The gear oil composition of claim 1 , wherein the poly-alpha-olefin (PAO) synthetic oil has an average kinematic viscosity of 3 to 8 cSt at 100° C. claim 1 , a viscosity index of 130 or greater claim 1 , and a pour point of −50° C. or lower.4. The gear oil composition of claim 1 , wherein the oil-soluble polyalkylene glycol (OSP) synthetic oil has an average kinematic viscosity of 6 to 12 cSt at 100° C. claim 1 , a viscosity index of 140 or greater claim 1 , and a pour point of −40° C. or lower.5. The gear oil composition of claim 1 , wherein the polyalkyl methacrylate-based Viscosity modifer has a kinematic viscosity of 650 cSt or greater at 100° C.6. The gear oil composition of claim 1 , wherein the polyalkyl methacrylate-based Viscosity modifer has a number average molecular weight range of 300 claim 1 ,000 to 400 claim 1 ,000 claim 1 , and has 4 to 10 Cto Cpolymer chains.7. The gear oil composition of claim 6 , wherein the Cto Cpolymer chains include alkyl methacrylate in 60 to 80% by weight and 2-ethylhexyl methacrylate in 20 to 40% by weight.8. The gear oil composition of claim 2 , wherein the ...

POLY(METH)ACRYLATE VISCOSITY INDEX IMPROVER, AND LUBRICATING OIL COMPOSITION AND LUBRICATING OIL ADDITIVE CONTAINING SAID VISCOSITY INDEX IMPROVER

The present invention provides a poly(meth)acrylate-based viscosity index improver comprising a polymer chain comprising a structural unit represented by the following formula (1) and a structural unit represented by the following formula (2), wherein Mw is 100000 or more, and Mw/Mn, is 1.6 or less. 3. A lubricating oil additive comprising the poly(meth)acrylate-based viscosity index improver according to .4. A lubricating oil composition comprising:a lubricating base oil; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the poly(meth)acrylate-based viscosity index improver according to .'}5. A lubricating oil additive comprising the poly(meth)acrylate-based viscosity index improver according to .6. A lubricating oil composition comprising:a lubricating base oil; and{'claim-ref': {'@idref': 'CLM-00002', 'claim 2'}, 'the poly(meth)acrylate-based viscosity index improver according to .'} The present invention relates to a poly(meth)acrylate-based viscosity index improver, a lubricating oil additive and a lubricating oil composition containing the viscosity index improver.Conventionally, in the field of lubricating oils, improvement of lubricating oils has been studied from the viewpoint of an energy saving property. Especially in recent years, a trend toward the global environmental protection has increased, and a need for an energy saving property improving effect for lubricating oils has been further strengthened.For example, in the case of lubricating oils used for internal combustion engines such as a vehicle engine (also referred to as “lubricating oils for an internal combustion engine” or “engine oils”), as one means of improving a fuel saving property, a method of increasing a viscosity index of a lubricating oil by adding a viscosity index improver to a lubricating base oil has been known.Moreover, for example, in the case of lubricating oils used for transmissions of vehicles, such as ATF, MTF, and CVTF (also referred to as “lubricating oils for a ...

VISCOSITY INDEX IMPROVER WITH IMPROVED SHEAR-RESISTANCE AND SOLUBILITY AFTER SHEAR

The invention relates to a poly alkyl(meth)acrylate polymer comprising a combination of polybutadiene-based monomers having different average molecular weight, lubricant compositions comprising the polymer, a method for manufacturing the polymer and the use of the polymer as a viscosity index improver in a lubricating oil composition. 1. A poly alkyl(meth)acrylate polymer , obtained by polymerizing a monomer composition comprising:(a) from 5 to 35% by weight of one or more esters of (meth)acrylic acid and a first hydroxylated hydrogenated polybutadiene having a number-average molecular weight of from 500 to less than 3,000 g/mol, based on the total weight of the monomer composition;(b) from 1 to 15% by weight of one or more esters of (meth)acrylic acid and a second hydroxylated hydrogenated polybutadiene having a number-average molecular weight of from 3,000 to 10,000 g/mol, based on the total weight of the monomer composition;{'sub': 1', '30, '(c) from 4 to 98% by weight of one or more C-Calkyl(meth)acrylates, based on the total weight of the monomer composition,'}wherein the total weight of monomers (a) and (b) is at least 25% by weight, based on the total weight of the monomer composition, andwherein the total weight of monomers (a), (b) and (c) is at least 35% by weight, based on the total weight of the monomer composition.2. The polymer according to claim 1 , wherein the weight ratio of component (a) to component (b) is 1 or more.3. The polymer according to claim 1 , wherein the first hydroxylated hydrogenated polybutadiene has a number-average molecular weight of from 1 claim 1 ,000 to 2 claim 1 ,750 g/mol claim 1 , and the second hydroxylated hydrogenated polybutadiene has a number-average molecular weight of 3 claim 1 ,500 to 7 claim 1 ,000 g/mol.4. The polymer according to claim 1 , wherein the monomer composition comprises as component (a) from 15 to 35% by weight claim 1 , of one or more esters of (meth)acrylic acid and the first hydroxylated hydrogenated ...

VISCOSITY INDEX IMPROVER WITH IMPROVED SHEAR-RESISTANCE AND SOLUBILITY AFTER SHEAR

The invention relates to a poly alkyl(meth)acrylate polymer comprising a combination of polybutadiene-based monomers having different average molecular weight, lubricant compositions comprising the polymer, a method for manufacturing the polymer and the use of the polymer as a viscosity index improver in a lubricating oil composition. 1. A poly alkyl(meth)acrylate polymer , obtained by polymerizing a monomer composition comprising:(a) from 5 to 35% by weight of one or more esters of (meth)acrylic acid and a first hydroxylated hydrogenated polybutadiene having a number-average molecular weight of from 500 to less than 3,000 g/mol, based on the total weight of the monomer composition;(b) from 1 to 15% by weight of one or more esters of (meth)acrylic acid and a second hydroxylated hydrogenated polybutadiene having a number-average molecular weight of from 3,000 to 10,000 g/mol, based on the total weight of the monomer composition;{'sub': 1', '30, '(c) from 4 to 98% by weight of one or more C-Calkyl(meth)acrylates, based on the total weight of the monomer composition,'}wherein the total weight of monomers (a) and (b) is at least 25% by weight, based on the total weight of the monomer composition, andwherein the total weight of monomers (a), (b) and (c) is at least 35% by weight, based on the total weight of the monomer composition.2. The polymer according to claim 1 , wherein the weight ratio of component (a) to component (b) is 1 or more.3. The polymer according to claim 1 , wherein the first hydroxylated hydrogenated polybutadiene has a number-average molecular weight of from 1 claim 1 ,000 to 2 claim 1 ,750 g/mol claim 1 , and the second hydroxylated hydrogenated polybutadiene has a number-average molecular weight of 3 claim 1 ,500 to 7 claim 1 ,000 g/mol.4. The polymer according to claim 1 , wherein the monomer composition comprises as component (a) from 15 to 35% by weight claim 1 , of one or more esters of (meth)acrylic acid and the first hydroxylated hydrogenated ...

CHARGED BLOCK CO-POLYMERS AS POUR POINT DEPRESSANTS

Fouling components within a fluid may be prevented from accumulating when an additive contacts the fluid, e.g. by coating the wellbore with the additive prior to the production of the fluid or adding the additive directly to the fluid, etc.. The additive may include, but is not limited to, a block copolymer having at least two components. The first component may be a charged monomer, and the second component may be a long chain fatty alcohol acrylate monomer. In one alternative embodiment, the fluid may be an oil-based fluid produced through a wellbore or an oil-based wellbore fluid, and the fouling components may be or include, but are not limited to, wax, paraffins, asphaltene, resins, and combinations thereof. 1. A method comprising:contacting a fluid comprising a paraffin, wax, and/or an asphaltene selected from a group consisting of crude oil, a lubricant, a refinery fluid, fuel oil, and combinations thereof with an additive in an effective amount for at least partially reducing an accumulation of the paraffin, wax, and/or asphaltene as compared to an otherwise identical fluid absent the additive; wherein the additive comprises a block copolymer comprising at least a first component and a second component; wherein the first component is a charged monomer, and the second component is a long chain fatty alcohol acrylate monomer, wherein the charged monomer is selected from the group consisting of a cationic acrylate based monomer, a salt of acrylic acid, a salt of methacrylic acid, a salt of carboxyethyl acrylate, a salt of carboxyethyl methacrylate, a sulfonated styrene, a cationic styrene derivative, an ester derived from a cationic terminated alcohol, an ester derived from a carboxylate terminated alcohol, a derivative formed from alkylation with a cationic terminated epoxide, a derivative formed from alkylation with an anionic terminated epoxides, and combinations thereof; and wherein the charged monomer reduces the amount of agglomeration or precipitation of ...

POLY(METH)ACRYLATE-BASED VISCOSITY INDEX IMPROVER, LUBRICANT ADDITIVE AND LUBRICANT COMPOSITION CONTAINING VISCOSITY INDEX IMPROVER

The present invention provides a poly(meth)acrylate-based viscosity index improver comprising a core portion and three or more arm portions, wherein each of the arm portions consists of a polymer chain comprising a structural unit represented by the following formula (1), and one end of the polymer chain is bonded to the core portion, and wherein a weight-average molecular weight Mw is 100000 or more, and a ratio of the weight-average molecular weight Mw to a number average molecular weight Mn, Mw/Mn, is 1.6 or less. 3. A lubricating oil additive comprising the poly(meth)acrylate-based viscosity index improver according to .4. A lubricating oil composition comprising:a lubricating base oil; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the poly(meth)acrylate-based viscosity index improver according to .'}5. A lubricating oil additive comprising the poly(meth)acrylate-based viscosity index improver according to .6. A lubricating oil composition comprising:a lubricating base oil; and{'claim-ref': {'@idref': 'CLM-00002', 'claim 2'}, 'the poly(meth)acrylate-based viscosity index improver according to .'} The present invention relates to a poly(meth)acrylate-based viscosity index improver, a lubricating oil additive and a lubricating oil composition containing the viscosity index improver.Conventionally, in the field of lubricating oils, improvement of lubricating oils has been studied from the viewpoint of an energy saving property. Especially in recent years, a trend toward the global environmental protection has increased, and a need for an energy saving property improving effect for lubricating oils has been further strengthened.For example, in the case of lubricating oils used for internal combustion engines such as a vehicle engine (also referred to as “lubricating oils for an internal combustion engine” or “engine oils”), as one means of improving a fuel saving property, a method of increasing a viscosity index of a lubricating oil by adding a viscosity ...

POLY(METH)ACRYLATE VISCOSITY INDEX IMPROVER, AND LUBRICATING OIL COMPOSITION AND LUBRICATING OIL ADDITIVE CONTAINING SAID VISCOSITY INDEX IMPROVER

The present invention provides a poly(meth)acrylate-based viscosity index improver comprising a polymer chain comprising a structural unit represented by the following formula (1), wherein a weight-average molecular weight Mw is 100000 or more, and a ratio of the weight-average molecular weight Mw to a number average molecular weight Mn, Mw/Mn, is 1.6 or less. 3. A lubricating oil additive comprising the poly(meth)acrylate-based viscosity index improver according to .4. A lubricating composition comprising:a lubricating base oil; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the poly(meth)acrylate-based viscosity index improver according to .'}5. A lubricating oil additive comprising the poly(meth)acrylate-based viscosity index improver according to .6. A lubricating composition comprising:a lubricating base oil; and{'claim-ref': {'@idref': 'CLM-00002', 'claim 2'}, 'the poly(meth)acrylate-based viscosity index improver according to .'} The present invention relates to a poly(meth)acrylate-based viscosity index improver, a lubricating oil additive and a lubricating composition containing the viscosity index improver.Conventionally, in the field of lubricating oils, improvement of lubricating oils has been studied from the viewpoint of an energy saving property. Especially in recent years, a trend toward the global environmental protection has increased, and a need for an energy saving property improving effect for lubricating oils has been further strengthened.For example, in the case of lubricating oils used for internal combustion engines such as a vehicle engine (also referred to as “lubricating oils for an internal combustion engine” or “engine oils”), as one means of improving a fuel saving property, a method of increasing a viscosity index of a lubricating oil by adding a viscosity index improver to a lubricating base oil has been known.Moreover, for example, in the case of lubricating oils used for transmissions of vehicles, such as ATF, MTF, and CVTF ...

LUBRICANT SPRAY POLYMERS

Disclosed are copolymers of alkyl methacrylate monomers wherein said alkyl methacrylate monomers comprise at least: 113-. (canceled)14. An uncrosslinked copolymer of alkyl methacrylate monomers wherein said alkyl methacrylate monomers comprise:a. Monomers (A) selected from C6-C10 alkyl methacrylate monomers, andb. Monomers (B) selected from C10-C18 alkyl methacrylate monomers, wherein the mass ratio of Monomers (B) in the copolymer to Monomers (A) in the copolymer is 99:1 to 60:40 by weight, wherein Monomers (A) and Monomers (B) are distinct from one another, wherein the copolymer contains not more than 3.0% by weight of methyl methacrylate, and wherein the copolymer is a substantially random copolymer and has an average root mean square radius of gyration from 100 nm to 200 nm as measured by hydrodynamic column chromatography-multi angle light scattering where tetrahydrofuran is used as a solvent.15. The copolymer of wherein the mass ratio of the Monomers (A) and the Monomers (B) is about 80:20 Monomers (B) to Monomers (A).16. The copolymer of wherein the mass ratio of the Monomers (A) and the Monomers (B) is about 90:10 Monomers (B) to Monomers (A).17. The copolymer of wherein Monomers (B) are lauryl methacrylate.18. The copolymer of wherein Monomers (A) are C8alkyl methacrylate.19. The copolymer of wherein the C8alkyl methacrylate is 2-ethyl hexyl methacrylate.20. The copolymer of wherein Monomers (A) and Monomers (B) represent at least 75% by weight of the total weight of monomers used to prepare the copolymer.21. The copolymer of wherein the Monomers (A) and Monomers (B) represent at least 90% by weight of the total weight of monomers used to prepare the copolymer.22. The copolymer of wherein Monomers (A) and Monomers (B) represent at least 99% by weight of the total weight of monomers used to prepare the copolymer.23. The copolymer of wherein the copolymer is a mixture of C12 alkyl methacrylate claim 14 , C14 alkyl methacrylate claim 14 , C16 alkyl ...

POLYACRYLATE ANTIFOAM COMPONENTS FOR USE IN FUELS

There is disclosed an antifoam component which includes at least one poly(acrylate) copolymer for use in a fuel. Poly(acrylate) polymers prepared by polymerizing a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“multifunctional monomer”) are also disclosed. Other poly(acrylate) polymers prepared by polymerizing (i) a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“solubility monomer”); (ii) a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“surface tension monomer”); and (iii) optionally at least one additional monomer comprising a solubility monomer, a surface tension monomer, a monomer comprising Cto Calkyl esters of (meth)acrylic acid (“multifunctional monomer”), or combinations thereof are also disclosed. 111-. (canceled)14. The composition of claim 13 , wherein the at least one additional monomer comprises 2-ethylhexyl (meth)acrylate.1523-. (canceled)24. The composition of claim 12 , wherein the at least one poly(acrylate) polymer has a weight average molecular weight (“M”) from 10 claim 12 ,000 to 350 claim 12 ,000 Da.25. The composition of claim 12 , further comprising a fuel and wherein the at least one poly(acrylate) polymer is present in the fuel in an amount from 0.1 ppm to 3000 ppm by weight claim 12 , based on a total weight of the fuel and composition.26. The composition of claim 25 , wherein the at least one poly(acrylate) polymer is present in the fuel in an amount from 1 ppm to 100 ppm by weight claim 25 , based on a total weight of the of the fuel and composition.27. (canceled)28. A method of reducing foam in a fuel claim 12 , said method comprising adding the composition of to a fuel.2930-. (canceled)31. A method of reducing the amount of foam produced while filling the fuel tank of a vehicle claim 12 , said method comprising adding the composition of to a fuel.3236-. (canceled)37. A fuel additive package comprising:(i) at least one quaternary ammonium salt;(ii) at ...

RANDOM COPOLYMERS OF ACRYLATES AS POLYMERIC FRICTION MODIFIERS, AND LUBRICANTS CONTAINING SAME

A random copolymer suitable for reducing friction in lubricant compositions is disclosed. The random copolymer can include a short chain acrylate, a long chain acrylate, and a polar acrylate. The random copolymer can have a ratio of short chain acrylate to long chain acrylate of 0 to 2, and a molecular weight number of 1000 to 10000. The disclosure can include a lubricant containing a base oil and the random copolymer. A process for preparing the random copolymer and polymeric friction modifiers is also disclosed. 2. The random copolymer of claim 1 , where each of R claim 1 , R claim 1 , R claim 1 , and Ris methyl.3. The random copolymer of claim 1 , wherein Ris methyl.4. The random copolymer of claim 1 , comprising at least about 5 to about 45 mole % of the short chain acrylate.5. The random copolymer of claim 1 , wherein Mis about 2000 to about 8000 g/mol.6. The random copolymer of claim 1 , wherein Ris a linear or branched Cto Calkyl radical claim 1 , and Ris a linear or branched Cto Calkyl radical.7. The random copolymer of claim 1 , wherein A is a linear or branched Cto Calkyl radical or a polyether of the formula (—CHRCH—O—)where Ris hydrogen or methyl and n=1 to 4.8. The random copolymer of claim 1 , wherein A is a —CHCH—.9. The random copolymer of claim 1 , comprising from about 10 to about 50 mole % of the polar acrylate.10. The random copolymer of claim 1 , comprising from about 10 to about 45 mole % of the polar acrylate.11. The random copolymer of claim 1 , comprising from about 30 to about 75 mole % of the long chain acrylate of component b) and component c) together.12. The random copolymer of claim 1 , wherein the ratio of short chain acrylate to long chain acrylate is about 0.3 to about 1.5.13. The random copolymer of claim 1 , whereincomponent a) is from about 5 to about 45 mole % methyl acrylate;component b) is from about 30 to about 70 mole % lauryl-myristyl acrylate; andcomponent c) is from about 10 to about 45 mole % 2-hydroxyethyl acrylate.14. ...

POLYACRYLATE ANTIFOAM COMPONENTS FOR USE IN DIESEL FUELS

There is disclosed an antifoam component which includes at least one poly(acrylate) copolymer for use in a diesel fuel. Poly(acrylate) polymers prepared by polymerizing a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“multifunctional monomer”) are also disclosed. Other poly(acrylate) polymers prepared by polymerizing (i) a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“solubility monomer”); (ii) a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“surface tension monomer”); and (iii) optionally at least one additional monomer comprising a solubility monomer, a surface tension monomer, a monomer comprising Cto Calkyl esters of (meth)acrylic acid (“multifunctional monomer”), or combinations thereof are also disclosed. 1. A composition comprising a diesel fuel and at least one poly(acrylate) polymer prepared by polymerizing a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“multifunctional monomer”).2. The composition of claim 1 , wherein the at least one poly(acrylate) polymer is a homopolymer.34-. (canceled)3. The composition of claim 1 , wherein the multifunctional monomer comprises tertiary butyl (meth)acrylate or ethyl (meth)acrylate.4. The composition of claim 1 , wherein multifunctional monomer comprises trimethylhexyl (meth)acrylate.5. The composition of claim 1 , wherein the at least one poly(acrylate) polymer has a weight average molecular weight (“M”) of from 50 claim 1 ,000 to 300 claim 1 ,000 Da.8. (canceled)6. The composition of claim 1 , wherein the at least one poly(acrylate) polymer is present in the diesel fuel in an amount from 2 ppm to 1000 ppm by weight claim 1 , based on a total weight of the composition.10. (canceled)7. The composition of claim 1 , wherein the foam in the composition is reduced as compared to a diesel fuel without the at least one poly(acrylate) polymer.8. A composition comprising at least one poly(acrylate) polymer ...

POUR POINT DEPRESSANTS FOR IMPROVING THE LOW-TEMPERATURE VISCOSITY OF AGED LUBRICATING OIL

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. 1. A lubricating oil additive composition comprising two alkyl (meth)acrylate copolymers , wherein the composition comprises 15 to 90% by weight of a first copolymer and 10 to 85% by weight of a second copolymer , based on the total weight of the composition , and i) 35 to 60% by weight, based on the total weight of the copolymer, monomer units selected from one or more C7 to C15 alkyl (meth)acrylates, and', 'ii) less than 4% by weight, based on the total weight of the copolymer, monomer units selected from one or more C1 to C6 alkyl (meth)acrylates; and, 'a) the first copolymer comprises'} i) more than 60 and up to 95% by weight, based on the total weight of the copolymer, monomer units selected from one or more C7 to C15 alkyl (meth)acrylates,', 'ii) at least 5% by weight, based on the total weight of the copolymer, monomer units selected from one or more C16 to C24 alkyl (meth)acrylates, and', 'iii) less than 4% by weight, based on the total weight of the copolymer, monomer units selected from one or more C1 to C6 alkyl (meth)acrylates., 'b) the second copolymer comprises'}2. The additive composition according to claim 1 , wherein the first copolymer further comprises 40 to 65% by weight claim 1 , based on the total weight of copolymer claim 1 , monomer units selected from one or more C16 to C24 alkyl (meth)acrylates.3. The additive composition according to claim 1 , wherein the second copolymer comprisesi) 61 to 95% by weight, based on the total weight of the copolymer, monomer units selected from one or more C7 to C15 alkyl (meth)acrylates,ii) 5 to 39% by weight, based on ...

LUBRICANT SPRAY POLYMERS

Disclosed are copolymers of alkyl methacrylate monomers wherein said alkyl methacrylate monomers comprise at least: a. Monomers (A) selected from C6-C10 alkyl methacrylate monomers, and b. Monomers (B) selected from C10-C18 alkyl methacrylate monomers, wherein the mass ratio of Monomers (B) in the copolymer to Monomers (A) in the copolymer is about 99:1 to about 60:40 by weight. In some cases, the copolymers are of lauryl methacrylate and CalkyI methacrylate. Also disclosed are methods for the preparation of the copolymers.

LUBRICATING OIL COMPOSITION, LUBRICATING METHOD, AND TRANSMISSION

Provided are a lubricating oil composition containing a mineral oil (1) having a kinematic viscosity at 100° C. of 2.5 mm/s or more and 5 mm/s or less, and a polymethacrylate (2) having a functional group containing an oxygen atom in the molecule while having a specific structural unit, which satisfies both high viscosity index and high shear stability, and a lubrication method and a transmission using the lubricating oil composition. 2: The lubricating oil composition according to claim 1 , wherein the functional group is a hydroxy group.3: The lubricating oil composition according to claim 1 , wherein the mass average molecular weight of the polymethacrylate is 5 claim 1 ,000 or more and 100 claim 1 ,000 or less.4: The lubricating oil composition according to claim 1 , wherein the content of the polymethacrylate is 1% by mass or more and 15% by mass or less based on the total amount of the composition.5: The lubricating oil composition according to claim 1 , having a kinematic viscosity at 100° C. of 4 mm/s or more and 7 mm/s or less.6: The lubricating oil composition according to claim 1 , having a viscosity index of 195 or more.7: The lubricating oil composition according to claim 1 , wherein the rate of change in kinematic viscosity at 40° C. of the composition claim 1 , as calculated according to the following method claim 1 , is 5% or less:Method for calculating rate of change in kinematic viscosity at 40° C.;{'sub': 1', '0', '0', '1', '0, 'with respect to an ultrasonically-treated composition obtained by irradiating a lubricating oil composition with ultrasonic waves for 60 minutes according to JASO M347-95 and an untreated lubricating oil composition, their kinematic viscosity at 40° C. (v, v) is measured according to JIS K2283:2000, and the rate of reduction ((v−v)/v×100) is referred to as the rate of change in kinematic viscosity at 40° C.'}8: The lubricating oil composition according to claim 1 , which is for transmissions.9: A lubrication method claim 1 ...

HYDRAULIC FLUID COMPOSITION

The present invention provides a hydraulic oil composition comprising: a lubricating base oil having a kinematic viscosity at 40° C. of 15 to 50 mm/s; and 1 to 40% by mass, based on a total amount of the hydraulic oil composition, of a polymethacrylate having a number-average molecular weight of 48000 or lower, the hydraulic oil composition having a viscosity index of 150 or higher, and a ratio (A/B) at 60 to 80° C. of (A) a kinematic viscosity (unit: mm/s) to (B) a shear viscosity (unit: mPa·s, shear condition: 10/s) of 1.3 or lower. 1. A hydraulic oil composition comprising:{'sup': '2', 'a lubricating base oil having a kinematic viscosity at 40° C. of 15 to 50 mm/s; and'}1 to 40% by mass, based on a total amount of the hydraulic oil composition, of a polymethacrylate having a number-average molecular weight of 48000 or lower,{'sup': 2', '6, 'the hydraulic oil composition having a viscosity index of 150 or higher, and a ratio (A/B) at 60 to 80° C. of (A) a kinematic viscosity (unit: mm/s) to (B) a shear viscosity (unit: mPa·s, shear condition: 10/s) of 1.3 or lower.'}2. The hydraulic oil composition according to claim 1 , wherein a sulfur content of the lubricating base oil is 10 ppm by mass or lower. The present invention relates to a hydraulic oil composition. The present invention relates particularly to a hydraulic oil composition containing a viscosity index improver and having a high energy efficiency.In recent years, energy-saving hydraulic oils have been developed as one of responses to global warming. There are some conventional energy-saving hydraulic oils allowing achieving the reduction of energy consumption of apparatuses at starting, for example, by decreasing their low-temperature viscosity.There are also developed energy-saving hydraulic oils whose viscosity change is made small by blending a viscosity index improver to thereby reduce energy consumption in the steady-state operation after the fluid temperature is raised. In the energy-saving ...

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 .

Смазочная композиция

1. Смазочная композиция, содержащая базовое масло (A) и поли(мет)акрилат (B) с добавленными гидроксильными группами.2. Смазочная композиция по п.1, которая дополнительно содержит алкилнафталин (C).3. Смазочная композиция по п.1, которая дополнительно содержит соединение (D) фосфорсодержащей карбоновой кислоты.4. Смазочная композиция по п.1, в которой базовое масло (A) имеет %CA не выше 10, а отношение %CN к %CP (%CN/%CP) составляет не менее 0,4.5. Смазочная композиция по п.1, которая содержит в пересчете на ее общее количество от 70% до 99,5 мас.% базового масла (A) и от 0,5% до 30 мас.% поли(мет)акрилата (B) с добавленными гидроксильными группами.6. Смазочная композиция по п.2, которая содержит в пересчете на ее общее количество от 0 до 10 мас.% алкилнафталина (C).7. Смазочная композиция по п.3, которая содержит в пересчете на ее общее количество от 0 до 1,0 мас.% соединения (D) фосфорсодержащей карбоновой кислоты.8. Смазочная композиция по любому из пп.1-7, которая предназначена для использования в роликовых контактных или в роликовых и скользящих контактных системах. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2012 105 126 A (51) МПК C10M 145/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2012105126/04, 29.06.2010 (71) Заявитель(и): ШЕЛЛ ИНТЕРНЭШНЛ РИСЕРЧ МААТСХАППИЙ Б.В. (NL) Приоритет(ы): (30) Конвенционный приоритет: 15.07.2009 JP 2009-166568 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 15.02.2012 R U (43) Дата публикации заявки: 20.08.2013 Бюл. № 23 (72) Автор(ы): ИКАЙ Тору (JP) (86) Заявка PCT: (87) Публикация заявки PCT: WO 2011/006755 (20.01.2011) R U (54) СМАЗОЧНАЯ КОМПОЗИЦИЯ (57) Формула изобретения 1. Смазочная композиция, содержащая базовое масло (A) и поли(мет)акрилат (B) с добавленными гидроксильными группами. 2. Смазочная композиция по п.1, которая дополнительно содержит алкилнафталин (C). 3. Смазочная композиция по п.1, которая дополнительно содержит соединение (D) ...

Copolymers which can be obtained using ATRP methods, and method for producing and use

본 발명은 ATRP 방법을 사용하여 수득할 수 있는 공중합체에 관한 것으로, 에틸렌계 불포화 단량체의 혼합물은 화학식 I의 하나 이상의 에틸렌계 불포화 에스테르 화합물(a) 0 내지 40중량%, 화학식 II의 하나 이상의 에틸렌계 불포화 에스테르 화합물(b) 10 내지 98중량%, 화학식 III의 하나 이상의 에틸렌계 불포화 에스테르 화합물(c) 0 내지 80중량% 및 공단량체(d) 0 내지 50중량%로 이루어진다. The present invention relates to copolymers obtainable using the ATRP method, wherein the mixture of ethylenically unsaturated monomers comprises from 0 to 40% by weight of at least one ethylenically unsaturated ester compound of formula (I), at least one ethylene of formula (II) 10 to 98% by weight of the systemically unsaturated ester compound (b), 0 to 80% by weight of at least one ethylenically unsaturated ester compound of formula III (c) and 0 to 50% by weight of comonomer (d). 화학식 I Formula I 화학식 II Formula II 화학식 III Formula III 위의 화학식 I 내지 III에서, In the above formulas (I) to (III), R은 수소 또는 메틸이고, R is hydrogen or methyl, R 1 은 탄소수 1 내지 5의 직쇄 또는 측쇄 알킬 라디칼이고, R 1 is a straight or branched chain alkyl radical having 1 to 5 carbon atoms, R 2 및 R 3 은 독립적으로 수소 또는 화학식 -COOR'의 그룹(여기서, R'는 수소 또는 탄소수 1 내지 5의 알킬 그룹이다)이고, R 2 and R 3 are independently hydrogen or a group of the formula -COOR 'wherein R' is hydrogen or an alkyl group having 1 to 5 carbon atoms, R 4 는 탄소수 6 내지 15의 직쇄 또는 측쇄 알킬 라디칼이고, R 4 is a straight or branched chain alkyl radical having 6 to 15 carbon atoms, R 5 및 R 6 은 독립적으로 수소 또는 화학식 -COOR"의 그룹(여기서, R"는 수소 또는 탄소수 6 내지 15의 알킬 그룹이다)이고, R 5 and R 6 are independently hydrogen or a group of the formula —COOR ″ wherein R ″ is hydrogen or an alkyl group having 6 to 15 carbon atoms, R 7 은 탄소수 16 내지 30의 직쇄 또는 측쇄 알킬 라디칼이고, R 7 is a straight or branched chain alkyl radical having 16 to 30 carbon atoms, R 8 및 R 9 는 독립적으로 수소 또는 화학식 -COOR"'의 그룹(여기서, R"'는 수소 또는 탄소수 16 내지 30의 알킬 그룹이다)이다. R 8 and R 9 are independently hydrogen or a group of the formula —COOR ″ ′ wherein R ″ ′ is hydrogen or an alkyl group having from 16 to 30 carbon atoms. 신규한 공중합체는 유동점 강하제로서 사용된다. The novel copolymers are used as ...

Lubricating composition

FIELD: chemistry. SUBSTANCE: invention relates to lubricating composition, which can be used in roller and in roller and sliding contact systems. Composition contains, counted per its total quantity: basic oil (A), from 0.5 to 30 wt % of poly(meth)acrylate (B) with added hydroxyl groups and at least one additional compound, selected from the group, consisting of: up to 10 wt % of alkylnaphthalene (C) and up to 1.0 wt % of compound (D) of phosphorus-containing carboxylic acid. Said compound (D) of phosphorus-containing carboxylic acid has chemical formula . In formula (1) R 4 and R 5 can be similar or different and stand for hydrogen atom or hydrocarbon group with number of carbon atoms from 1 to 30, R 6 stands for alkylene group with number of carbon atoms from 1 to 20, and R 7 stands for hydrogen atom or hydrocarbon group with number of carbon atoms from 1 to 30. X 1 , X 2 , X 3 and X 4 can be similar or different, and each of them stands for oxygen atom or sulphur atom. EFFECT: obtaining lubricating composition with increased anti-wear characteristics, providing increased thickness of oil film, high viscosity piesocoefficient, increased value of production of pressure on rate and, as a result, achievement of excellent lubricating characteristics of composition. 3 cl, 2 tbl, 4 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 576 322 C2 (51) МПК C10M 145/14 (2006.01) C10N 40/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012105126/04, 29.06.2010 (24) Дата начала отсчета срока действия патента: 29.06.2010 (72) Автор(ы): ИКАЙ Тору (JP) (73) Патентообладатель(и): ШЕЛЛ ИНТЕРНЭШНЛ РИСЕРЧ МААТСХАППИЙ Б.В. (NL) Приоритет(ы): (30) Конвенционный приоритет: R U 15.07.2009 JP 2009-166568 (43) Дата публикации заявки: 20.08.2013 Бюл. № 23 (45) Опубликовано: 27.02.2016 Бюл. № 6 2 5 7 6 3 2 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 15.02.2012 C 2 C 2 (56) Список документов, цитированных в ...

具有高化学均匀性的共聚物及其用于改进燃料油的低温流动性能的用途

本发明涉及一种具有高化学均匀性的共聚物，其含有（A）50-30重量%的乙烯、（B）50-70重量%的（甲基）丙烯酸C 4 -C 24 烃基酯、（C）0-5重量%的（甲基）丙烯酸和（D）0-10重量%的可共聚单体，所述共聚物可以如下获得：使80-60重量%乙烯、20-40重量%（甲基）丙烯酸和0-10重量%可共聚单体在反混的连续操作聚合装置中聚合，然后将所得的共聚物用C 4 -C 24 烃基醇进行聚合物类似酯化反应。本发明共聚物适合用于改进燃料油的低温流动性能，用于降低低温流动改进剂添加剂混入燃料油中的低混合温度，以及用于改进含有低温流动改进剂添加剂的燃料油的可过滤性。

Сополимеризат с высокой химической однородностью и его применение для улучшения характеристик холодной текучести жидких топлив

Настоящее изобретение относится к получению сополимеризата с высокой химической однородностью и его применению для улучшения характеристик холодной текучести жидких топлив. Описан сополимеризат с высокой химической однородностью, состоящий из (A) от 50 до 30% масс. этилена, (B) от 50 до 70% масс. сложного углеводородноостаточного эфира акриловой кислоты или метакриловой кислоты с 4-24 атомами углерода в углеводородном остатке или смеси таких сложных углеводородноостаточных эфиров, (C) от 0 до 5% масс. акриловой кислоты и/или метакриловой кислоты и (D) от 0 до 10% масс. одного или нескольких мономеров, способных к сополимеризации, причем все мономерные компоненты в сополимеризате вместе дают 100% масс., который получается в результате полимеризации смеси, содержащей от 80 до 60% масс. этилена, от 20 до 40% масс. акриловой кислоты и/или метакриловой кислоты и от 0 до 10% масс. одного или нескольких мономеров, способных к сополимеризации, причем все мономерные компоненты в этой смеси вместе дают 100% масс., в полимеризационном оборудовании с противоточным смешением, работающем в непрерывном режиме, и последующей полимераналогичной этерификации полученного сополимеризата из этилена и (мет)акриловой кислоты или в основном из этилена и (мет)акриловой кислоты с помощью углеводородного спирта с 4-24 атомами углерода или смеси углеводородных спиртов с 4-24 атомами углерода. Также описан способ получения указанного выше сополимеризата. Описаны жидкие топлива, содержащие от 10 до 5000 масс. м.д. указанного выше сополимеризата. Также описано применение указанного выше сополимеризата для улучшения характеристик холодной текучести масляного горючего, для понижения нижней температуры примешивания к масляному горючему добавок, улучшающих холодную текучесть, для улучшения фильтруемости мясляного горючего, содержащего добавки, улучшающие холодную текучесть. Технический результат - получение сополимеризатов, обладающих высокой химической однородностью, обеспечивающих улучшение ...

Hydraulic oil for use in construction equipment

FIELD: chemistry. SUBSTANCE: hydraulic oil used in construction equipment contains poly(meth)acrylate with weight-average molecular weight ranging from 30000 to 100000 in high-purity base oil, but does not contain an agent which enhances lubricating properties. Kinematic viscosity of the oil at 60°C ranges from 25 to 60 mm 2 /s, kinematic viscosity at 80°C ranges from 15 to 34 mm 2 /s, viscosity index ranges from 200 to 220, and low-temperature spinning viscosity at -25°C ranges from 1000 to 8000 mPa.s. EFFECT: high kinematic viscosity in the high-temperature range, despite lack of an agent which enhances lubricating properties, thus achieving satisfactory operating efficiency and excellent braking characteristics, while simultaneously improving low-temperature characteristics. 10 cl, 2 tbl, 7 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 464 303 (13) C2 (51) МПК C10M 145/14 (2006.01) C10M 171/00 (2006.01) C10N 40/08 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ Приоритет(ы): (30) Конвенционный приоритет: 26.09.2007 JP 2007-250207 (73) Патентообладатель(и): ШЕЛЛ ИНТЕРНЭШНЛ РИСЕРЧ МААТСХАППИЙ Б.В. (NL) (43) Дата публикации заявки: 10.11.2011 Бюл. № 31 2 4 6 4 3 0 3 (45) Опубликовано: 20.10.2012 Бюл. № 29 (56) Список документов, цитированных в отчете о поиске: US 2007/0197411 А1, 23.08.2007. WO 2005/108531 А2, 17.11.2005. US 5520832 А, 28.05.1996. WO 2007/001000 A1, 04.01.2007. 2 4 6 4 3 0 3 R U (86) Заявка PCT: IB 2008/002550 (23.09.2008) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 26.04.2010 (87) Публикация заявки РСТ: WO 2009/040658 (02.04.2009) Адрес для переписки: 103735, Москва, ул.Ильинка, 5/2, ООО "Союзпатент", пат.пов. О.И.Воль, рег. № 1101 (54) ГИДРАВЛИЧЕСКОЕ МАСЛО ДЛЯ ПРИМЕНЕНИЯ В СТРОИТЕЛЬНОМ ОБОРУДОВАНИИ низкотемпературная вязкость проворачивания при -25°С - в диапазоне от 1000 до 8000 мПа·с. Технический результат повышение кинематической вязкости в высокотемпературной области, даже ...

lubricating composition

本发明提供一种润滑组合物，其包含基油(A)和添加羟基的聚(甲基)丙烯酸酯(B)。

LUBRICANT COMPOSITION

1. Смазочная композиция, содержащая:- базовое масло; и улучшитель индекса вязкости, содержащий поли(мет)акрилат, имеющий в свой структуре гидроксильные группы и характеризующийся гидроксильным числом от 22 до 37.2. Смазочная композиция по п.1, в которой улучшитель индекса вязкости содержит от 50 до 100 мас.ч. поли(мет)акрилата, имеющего в своей структуре гидроксильные группы, и от 50 до 0 мас.ч. поли(мет)акрилата, не имеющего в своей структуре гидроксильных групп.3. Смазочная композиция по п.1, в которой поли(мет)акрилат улучшающего индекс вязкости агента имеет среднемассовый молекулярный вес от 5000 до 50000.4. Смазочная композиция по п.1, в которой улучшитель индекса вязкости присутствует как чистый полимер за исключением масла-разбавителя в количестве от 1 до 8 мас.% в расчете на общий вес смазочной композиции.5. Смазочная композиция по п.1, дополнительно содержащая другую добавку, выбранную из противозадирных агентов, депрессантов, антиоксидантов, дезактиваторов металлов, смазочных агентов, противовспенивающих агентов и ингибиторов ржавчины.6. Смазочная композиция по любому из пп.1-5, которая способна использоваться в приводных системах транспортных средств. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2011 153 273 A (51) МПК C10M 145/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2011153273/04, 08.06.2010 (71) Заявитель(и): ШЕЛЛ ИНТЕРНЭШНЛ РИСЕРЧ МААТСХАППИЙ Б.В. (NL) Приоритет(ы): (30) Конвенционный приоритет: 09.06.2009 JP 2009-138099 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 10.01.2012 R U (43) Дата публикации заявки: 20.07.2013 Бюл. № 20 (72) Автор(ы): НАГАТОМИ Ейдзи (JP), ТАДЗАКИ Хироюки (JP), ВАКИДЗОНО Тецуо (JP) (86) Заявка PCT: (87) Публикация заявки PCT: WO 2010/142668 (16.12.2010) R U (54) СМАЗОЧНАЯ КОМПОЗИЦИЯ (57) Формула изобретения 1. Смазочная композиция, содержащая: - базовое масло; и улучшитель индекса вязкости, содержащий поли(мет)акрилат, имеющий в свой структуре ...

Poly(meth)acrylate copolymers with branched c17 alkyl chains and use thereof in lubricating oil compositions

FIELD: chemistry; lubricants.SUBSTANCE: present invention relates to lubricating oil compositions containing poly(meth)acrylate copolymers containing an alkyl(meth)acrylate comonomer with branched Calkyl group as a component, improving viscosity index. Disclosed is a poly(meth)acrylate copolymer obtained by polymerising a mixture containing: Calkyl(meth)acrylate, where Calkyl chain is branched with average degree of branching from 2.0 to 4.0, wherein average degree of branching is determined by means ofH-NMR spectroscopy, methyl methacrylate and/or methyl acrylate, and alkyl methacrylate and/or alkyl acrylate with linear or branched C-Calkyl chain, wherein comonomer (C) is linear or branched, having branched degree of 1.0, and a method of improving stability under shear conditions of lubricating oil.EFFECT: technical result is obtaining poly(meth)acrylate copolymers, capable of providing lubricating oil compositions with favorable properties of modifying rheological properties at low and high temperatures, including high viscosity index and excellent stability under shear conditions.12 cl, 4 tbl, 6 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 729 517 C2 (51) МПК C10M 145/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C10M 145/14 (2020.02) (21)(22) Заявка: 2018129190, 04.01.2017 (24) Дата начала отсчета срока действия патента: Дата регистрации: 07.08.2020 R U 04.01.2017 (72) Автор(ы): ЧИХОНИ Силард (DE), ДЕРИ Мари Элизабет (US), РАББАТ Филипп (US), ФЕНТОН Райан Джеймс (US) (73) Патентообладатель(и): БАСФ СЕ (DE) 13.01.2016 EP 16151058.1 (43) Дата публикации заявки: 13.02.2020 Бюл. № 5 (45) Опубликовано: 07.08.2020 Бюл. № 22 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 13.08.2018 (56) Список документов, цитированных в отчете о поиске: WO 2011134694 A1, 03.11.2011. EP 2573149 A1, 27.03.2013. US 8513172 B2, 20.08.2013. US 6746993 B2, 08.06.2004. JP 2014015584 A, 30.01.2014. JP 2014136772 A, ...

Copolymer useful as a pour point depressant for a lubricating oil

本发明公开了用作烃润滑油的倾点下降剂的共聚物，它含有约15%-约67%mol衍生于(甲基)丙烯酸C 8 -C 15 烷基酯的共聚单元、约3%-约40%mol衍生于(甲基)丙烯酸C 16 -C 24 烷基酯的共聚单元和从大于30%mol至约65%mol衍生于(甲基)丙烯酸C 1 -C 4 烷基酯的共聚单元。

Hydroxyl-containing binary polymer biodiesel pour point depressant and preparation and application thereof

本发明涉及一种含羟基二元聚合物生物柴油降凝剂及其制备与应用，制备方法包括以下步骤：1)通过酯化反应制备甲基丙烯酸高碳酯；2)将甲基丙烯酸高碳酯、甲基丙烯酸羟乙酯加入至溶剂A中，之后加入引发剂并进行聚合反应，得到甲基丙烯酸高碳酯‑甲基丙烯酸羟乙酯二元聚合物，即为含羟基二元聚合物生物柴油降凝剂。与现有技术相比，本发明中的生物柴油降凝剂制备简单，合成方法简便，分散性好，能够有效改善生物柴油在低温下流动性差的问题。

Its use in poly (meth) acrylate copolymers and lubricating oil compositions with branched C17 alkyl chains

Hydraulic fluid

【課題】低温時におけるときと高温時におけるときの粘度の変動幅が少なく、何時でも同じような状態で作用するドア開閉器の油圧作動油を得ようとする。 【解決手段】４０℃における動粘度が２〜２０mm ２ ／ｓであり、かつ粘度指数が５０以上である基油と、ポリメタクリレートを混合する。混合して得た油圧作動油は、４０℃の動粘度が２２〜９５mm ２ ／ｓ、１００℃の動粘度が１０〜３０mm ２ ／ｓ、流動点が−１０℃以下、−２０℃のCCS粘度が２５００mPas以下、引火点が１４０℃以上の性質が与えられている。上記ポリメタクリレートは、重量平均分子量１５万〜７０万のものを使用する。 【選択図】なし

Gradient copolymers, method for the production thereof and pour point depressants or flow improvers containing the same

본 발명은 화학식 I의 하나 이상의 에틸렌계 불포화 에스테르 화합물(a) 0 내지 40중량%, The present invention is 0 to 40% by weight of at least one ethylenically unsaturated ester compound of formula (a), 화학식 II의 하나 이상의 에틸렌계 불포화 에스테르 화합물(b) 10 내지 98중량%, 10 to 98% by weight of at least one ethylenically unsaturated ester compound (b) of formula (II), 화학식 III의 하나 이상의 에틸렌계 불포화 에스테르 화합물(c) 0 내지 80중량% 및 0-80% by weight of at least one ethylenically unsaturated ester compound (c) of formula III and 공단량체(d) 0 내지 50중량%로 이루어진 올레핀계 불포화 단량체의 혼합물(여기서, 에틸렌계 불포화 단량체의 혼합물은 구배를 갖는 공중합체를 수득하기 위해 쇄 성장 동안에 변화된다)을 중합시켜 수득할 수 있는 구배 공중합체에 관한 것이다. Obtainable by polymerizing a mixture of olefinically unsaturated monomers consisting of 0 to 50% by weight of comonomer (d), wherein the mixture of ethylenically unsaturated monomers is changed during chain growth to obtain a copolymer having a gradient It relates to a gradient copolymer. 화학식 I Formula I 화학식 II Formula II 화학식 III Formula III 위의 화학식 I, 화학식 II 및 화학식 III에서, In the above formulas (I), (II) and (III), R은 수소 또는 메틸이고, R is hydrogen or methyl, R 1 은 탄소수 1 내지 5의 직쇄 또는 측쇄 알킬 잔기이며, R 1 is a straight or branched chain alkyl moiety having 1 to 5 carbon atoms, R 2 및 R 3 은 독립적으로 수소 또는 화학식 -COOR'의 그룹(여기서, R'는 수소 또는 탄소수 1 내지 5의 알킬 그룹이다)이고, R 2 and R 3 are independently hydrogen or a group of the formula -COOR 'wherein R' is hydrogen or an alkyl group having 1 to 5 carbon atoms, R 4 는 탄소수 6 내지 15의 직쇄 또는 측쇄 알킬 잔기이며, R 4 is a straight or branched chain alkyl moiety having 6 to 15 carbon atoms, R 5 및 R 6 은 독립적으로 수소 또는 화학식 -COOR"의 그룹(여기서, R"는 수소 또는 탄소수 6 내지 15의 알킬 그룹이다)이고, R 5 and R 6 are independently hydrogen or a group of the formula —COOR ″ wherein R ″ is hydrogen or an alkyl group having 6 to 15 carbon atoms, R 7 은 탄소수 16 내지 30의 직쇄 또는 측쇄 알킬 잔기이며, R 7 is a straight or branched chain alkyl moiety having 16 to 30 carbon atoms, R 8 및 R 9 는 독립적으로 수소 또는 화학식 -COOR'''의 그룹(여기서, R'''은 수소 또는 탄소수 16 내지 30의 알킬 그룹이다)이다. R 8 and R 9 are ...

COPOLIMERIZATION WITH HIGH CHEMICAL HOMOGENEITY AND ITS APPLICATION FOR IMPROVING THE CHARACTERISTICS OF COLD FLUIDITY OF LIQUID FUELS

1. Сополимеризат с высокой химической однородностью, состоящий из(A) от 50 до 30 мас% этилена,(B) от 50 до 70 мас% сложного эфира из акриловой кислоты или метакриловой кислоты и углеводородного остатка с 4-24 атомами углерода или смеси таких сложных эфиров углеводородных остатков,(C) от 0 до 5 мас% акриловой кислоты и/или метакриловой кислоты и(D) от 0 до 10 мас% одного или нескольких мономеров, способных к сополимеризации,причем все мономерные компоненты в сополимеризате вместе дают 100 мас%,который получается в результате полимеризации смеси, содержащей от 80 до 60 мас% этилена, от 20 до 40 мас% акриловой кислоты и/или метакриловой кислоты и от 0 до 10 мас% одного или нескольких мономеров, способных к сополимеризации, причем все мономерные компоненты в этой смеси вместе дают 100 мас%, в полимеризационном оборудовании с противоточным смешением, работающем в непрерывном режиме, и последующей полимераналогичной этерификации полученного сополимеризата из этилена и (мет)акриловой кислоты или в основном из этилена и (мет)акриловой кислоты с помощью углеводородного спирта с 4-24 атомами углерода или смеси углеводородных спиртов с 4-24 атомами углерода.2. Сополимеризат с высокой химической однородностью по п.1, который получается в результате полимеризации при давлении от 50 до 5000 бар.3. Сополимеризат с высокой химической однородностью по п.1 или 2, состоящий из(A) от 45 до 35 мас%, особенно от 42 до 38 мас% этилена,(B) от 55 до 65 мас% особенно от 58 до 62 мас% сложного эфира из акриловой кислоты или метакриловой кислоты и углеводородного остатка с 4-24 атомами углерода или смеси таких сложных эфиров углеводородных остатков,(C) от 0 до 3,5 мас%, особенно от 0 до 2 мас% акри РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2013 104 629 A (51) МПК C08F 220/26 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2013104629/04, 05.07.2011 (71) Заявитель(и): БАСФ СЕ (DE) Приоритет(ы): (30) Конвенционный приоритет: 06.07.2010 EP ...

METACRYLATE COPOLYMER DEPRESSANT ADDITIVES

1. Полиалкилметакрилатный сополимер, включающий мономерные звенья, полученные с использованием: ! (А) от 60,0 до 96,0 мас.% С12-С16алкилметакрилата и ! (Б) от 40,0 до 4,0 мас.% C18-С30алкилметакрилата. ! 2. Сополимер по п.1, который обладает средневесовой молекулярной массой от 5000 до 250000. ! 3. Сополимер по п.1, в котором компонент (А) составляет от 65,0 до 95,0 мас.% полученного полиалкилметакрилатного сополимера. ! 4. Сополимер по п.1, в котором компонент (Б) составляет от 35,0 до 5,0 мас.% полученного полиалкилметакрилатного сополимера. ! 5. Сополимер по п.1, в котором компонент (А) по п.1 представляет собой прямоцепочечный или разветвленный алкиловый эфир метакриловой кислоты, выбранный из группы, включающей лаурилметакрилат, миристилметакрилат, цетилметакрилат, додецилметакрилат, тридецилметакрилат, тетрадецилметакрилат, пентадецилметакрилат, гексадецилметакрилат и их смеси. ! 6. Сополимер по п.1, в котором компонент (Б) представляет собой прямоцепочечный или разветвленный алкиловый эфир метакриловой кислоты, выбранный из группы, включающей стеарилметакрилат, октадецилметакрилат, гептадецилметакрилат, нонадецилметакрилат, эйкозилметакрилат, геникозилметакрилат, докозилметакрилат, трикозилметакрилат, тетракозилметакрилат, пентакозилметакрилат, гексакозилметакрилат, октакозилметакрилат, нонакозилметакрилат, триаконтилметакрилат, бегенилметакрилат и их смеси. ! 7. Сополимер по п.1, в котором компонент (А) представляет собой лаурилметакрилат, а компонент (Б) представляет собой бегенилметакрилат. ! 8. Композиция смазочного масла, включающая: ! (I) масло смазочной вязкости; ! (II) полиалкилметакрилатный сополимер по п.1 и необязательно ! (III) д� РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2009 121 650 (13) A (51) МПК C08F 220/18 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21), (22) Заявка: 2009121650/04, 29.10.2007 (71) Заявитель(и): ЦИБА ХОЛДИНГ ИНК. (CH) (30) Конвенционный приоритет: 07.11.2006 ...

Polyacrylate defoaming component with improved thermal stability

公开了一种用于机械装置的消泡组分，其包含聚(丙烯酸酯)共聚物。消泡组分在使用二丁基氢亚磷酸酯化合物的成品流体(例如传动系流体)中具有改善的热稳定性。

Lubricating compositions comprising thermoassociative and exchangeable copolymers

본 발명은 적어도 하나의 윤활유, 적어도 하나의 통계적 공중합체 A1 및 적어도 하나의 붕소산 에스테르 작용기를 포함하는 적어도 하나의 화합물 A2을 혼합하여 얻은 조성물에 관한 것이다; 통계적 공중합체 A1는 디올 관능기를 가지는 적어도 하나의 제1 단량체 M1 및 제1 단량체 M1과 다른 화학적 구조를 가지는 적어도 하나의 제2 단량체 M2의 공중합 반응으로 얻어진다. 또한, 본 발명은 기계 부품을 윤활시키는 조성물의 용도에 관한 것이다. 본 발명의 분야는 윤활유 분야이다. The present invention relates to a composition obtained by mixing at least one lubricating oil, at least one statistical copolymer A1 and at least one compound A2 comprising at least one boronic ester functional group; Statistical copolymer A1 is obtained by a copolymerization reaction of at least one first monomer M1 having a diol function and at least one second monomer M2 having a chemical structure different from that of the first monomer M1. The invention also relates to the use of the composition for lubricating machine parts. The field of the present invention is the field of lubricants.

Method for producing lubricating oil composition and method for selecting fluidity improver for lubricating oil composition

Polyacrylate antifoam component for use in diesel fuel

디젤 연료에서 사용하기 위한 적어도 하나의 폴리(아크릴레이트) 코폴리머를 포함하는 소포 성분이 개시되어 있다. 또한, (메트)아크릴산의 C 1 내지 C 30 알킬 에스테르를 포함하는 (메트)아크릴레이트 모노머("다작용성 모노머")를 중합함으로써 제조된 폴리(아크릴레이트) 폴리머가 개시되어 있다. 또한, (i) (메트)아크릴산의 C 1 내지 C 4 알킬 에스테르를 포함하는 (메트)아크릴레이트 모노머("용해성 모노머"); (ii) (메트)아크릴산의 C 5 내지 C 12 알킬 에스테르를 포함하는 (메트)아크릴레이트 모노머("표면 장력 모노머"); 및 (iii) 임의적으로, 용해성 모노머, 표면 장력 모노머, (메트)아크릴산의 C 1 내지 C 30 알킬 에스테르를 포함하는 모노머("다작용성 모노머"), 또는 이들의 조합을 포함하는 적어도 하나의 추가적인 모노머를 중합함으로써 제조된 다른 폴리(아크릴레이트) 폴리머가 또한 개시되어 있다.

Patent RU2018129190A3

ВИ“? 2018129190” АЗ Дата публикации: 26.02.2020 Форма № 18 ИЗ,ПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение ж 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2018129190/04(04/7017) 04.01.2017 РСТ/ЕР2017/050122 04.01.2017 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 16151058.1 13.01.2016 ЕР Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) ПОЛИ(МЕТ)АКРИЛАТНЫЕ СОПОЛИМЕРЫ С РАЗВЕТВЛЕННЫМИ С17 АЛКИЛЬНЫМИ ЦЕПЯМИ И ИХ ПРИМЕНЕНИЕ В КОМПОЗИЦИЯХ СМАЗОЧНОГО МАСЛА Заявитель: БАСФ СЕ, ОЕ 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) С1ОМ 145/14 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) С1ОМ 145/14 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): Езрасепе Соозе, РабеагсВ, Уап4дех 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА Кате- Наименование документа с указанием (где необходимо) частей, Относится к гория* относящихся к предмету поиска пункту ...

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.

Copolymer having high chemical uniformity and use thereof for improving cold flow properties of fuel oils

본 발명은 화학적 균질성이 높은 공중합체에 관한 것으로, 상기 공중합체는 (A) 50~30 중량%의 에틸렌, (B) 50~70 중량%의 (메트)아크릴산의 C 4 -C 24 -히드로카르빌 에스테르, (C) 0~5 중량%의 (메트)아크릴산 및 (D) 0~10 중량%의 공중합 가능한 단량체로 이루어지며, 상기 공중합체는 80~60 중량%의 에틸렌, 20~40 중량%의 (메트)아크릴산 및 0~10 중량%의 공중합 가능한 단량체의 혼합물을 역혼합 연속식 중합 장치에서 중합하는 단계 및 이어서 결과로 얻어진 공중합체를 C 4 -C 24 -히드로카르비놀로 중합체 유사 에스테르화하는 단계에 의해 얻을 수 있다. 본 발명의 공중합체는 연료유의 저온 유동 특성을 향상시키기 위해, 연료유로의 저온 유동성 향상 첨가제의 혼입 온도의 하한을 낮추기 위해, 그리고 저온 유동성 향상 첨가제를 포함하는 연료유의 여과성을 향상시키기 위해 적합하다. The present invention relates to a copolymer having high chemical homogeneity, wherein the copolymer comprises (A) 50 to 30% by weight of ethylene, (B) 50 to 70% by weight of a C 4 -C 24 -hydrocarbyl (meth) (C) from 0 to 5% by weight of (meth) acrylic acid and (D) from 0 to 10% by weight of copolymerizable monomers, wherein the copolymer comprises 80 to 60% by weight of ethylene, 20 to 40% By weight of (meth) acrylic acid and 0 to 10% by weight of copolymerizable monomers in a backmixed continuous polymerization apparatus and then polymerizing the resulting copolymer with a C 4 -C 24 -hydrocarbinol polymer-like esterification &Lt; / RTI &gt; The copolymers of the present invention are suitable for improving the low temperature flow characteristics of fuel oil, for lowering the lower limit of the incorporation temperature of the low temperature fluidity improving additive of the fuel flow path, and for improving the filterability of the fuel oil including the low temperature fluidity improving additive.

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。

Shear-stable viscosity improver for lubricating oils

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.

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。

PROCESS FOR REDUCING AND / OR CONTROL OF ABNORMAL GAS COMBUSTION IN A MARINE ENGINE OR A CONTROLLED IGNITION ENGINE

PROCEDE DE REDUCTION ET/OU CONTROLE DE LA COMBUSTION ANORMALE DU GAZ DANS UN MOTEUR MARIN OU UN MOTEUR A ALLUMAGE COMMANDE La présente invention concerne l’utilisation d’un copolymère (C) comprenant des unités répétitives correspondant à des monomères alkyl méthacrylate, lesdits monomères comprenant au moins : - un ou des monomère(s) (A), identiques ou différents, choisi(s) parmi des monomères (C6-C10)alkyl méthacrylate ; - un ou des monomère(s) (B), identiques ou différents, choisi(s) parmi des monomères (C10-C18)alkyl méthacrylate, dans une composition lubrifiante comprenant au moins une huile de base pour réduire et/ou contrôler la combustion anormale du gaz dans un moteur, de préférence un moteur marin ou un moteur à allumage commandé. Figure pour l’abrégé : néant The present invention relates to the use of a copolymer (C) comprising repeating units corresponding to alkyl methacrylate monomers, said monomers comprising at least: - one or more monomer (s) (A), identical or different, chosen from (C6-C10) alkyl methacrylate monomers; - one or more monomer (s) (B), identical or different, chosen from among (C10-C18) alkyl methacrylate monomers, in a lubricating composition comprising at least one base oil for reducing and / or controlling combustion abnormal gas in an engine, preferably a marine engine or a spark ignition engine. Figure for the abstract: none

Copolymer having high chemical uniformity and use thereof for improving cold flow properties of fuel oils

The invention relates to a copolymer having high chemical uniformity, made of (A) 50 to 30 wt % of ethylene, (B) 50 to 70 wt % of C4- to C24-hydrocarbylester of (meth)acrylic acid, (C) 0 to 5 wt % of (meth)acrylic acid, and (D) 0 to 10 wt % of copolymerizable monomers that can be obtained by the polymerization of a mixture of 80 to 60 wt % of ethylene, 20 to 40 wt % of (meth)acrylic acid, and 0 to 10 wt % of copolymerizable monomers in a back mixing, continuously operating polymerization apparatus, and the subsequent polymeric analogous esterification of the copolymer thus obtained with C4- to C24-hydrocarbinols. The copolymer according to the invention is suitable for improving the cold flow properties of fuel oils, for reducing the lower mixing temperature of cold flow improving additives in fuel oils, and for improving the filterability of fuel oils containing cold flow improving additives.

Methacrylate copolymer pour point depressants

Poly methacrylate copolymers are disclosed which comprising from about 60 to about 96 weight percent of a C12-C16 alkyl methacrylate and from about 40 to about 4 weight percent of a C18-C30 alkyl methacrylate and provide excellent low temperature properties to lubricating oils.

Tractor Hydraulic Fluid with Wide Temperature Range

A lubricant oil composition suitable for use as a tractor hydraulic fluid which comprises (a) a lubricating oil base stock which is a blend of a major amount of paraffinic mineral oil and a minor amount of a naphthenic mineral oil,and (b) a blend of a polymethacryalte viscosity index improver having a weight average molecular weight of 25,000 to 150,000 and a shear stability index less than 5 and a polymethacryate viscosity index improver having a weight average molecular weight of 500,000 to 1,000,000 and a shear stability index of 25 to 60. The formulated oil composition has a kinematic viscosity of 8.0 to 9.0 cSt at 100°C, a minimum kinematic viscosity of 7.0 cSt at 100°C after 30 shear cycles, a maximum Brookfield viscosity of 17,000 cSt at -40°C and a maximum pour point of -45°C.

Fuel composition

一种用于为燃烧发动机提供动力的燃料组合物，所述组合物包含：液体基础燃料；和可通过至少以下单体(共)聚合获得的(共)聚合物：至少一种双环(甲基)丙烯酸酯，任选地至少一种(甲基)丙烯酸低级烷基酯，任选地至少一种芳族乙烯基单体，和任选地其它烯系不饱和单体。

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.

Use of selected acrylic and/or methacrylic acid ester copolymer versions as flow enhancers in paraffin-rich mineral oils and mineral-oil fractions (I)

The use of copolymers of acrylic and/or methacrylic acid esters of higher alcohols or alcohol cuts having at least 16 C atoms in the alcohol radical and not more than 5% by weight, preferably 0.5 to 2.5% by weight, of maleic anhydride as flow enhancers in paraffin-rich crude oils and/or petroleum fractions having normal pour points above 25 DEG C for depressing the pour points thereof to values below 15 DEG C, preferably below 10 DEG C, is described.

Polyacrylates and waxy residual fuel compositions thereof

An interpolymeric poly(n-alkylacrylate) of a molecular weight between about 3000 and 100,000 wherein said alkyl is of at least 18 carbons and at least 70 wt. % of said alkyl is of between 20 and 24 carbons inclusively, the C 20 to C 24 alkyl group consisting of between about 2 and 65 wt. % of C 20 alkyl, between about 18 and 65 wt. % C 22 alkyl, and between about 8 and 35 wt. % C 24 alkyl; and a residual petroleum fuel containing between 4 and 15 wt. % macrocrystalline paraffin wax having incorporated therein a pour depressing amount of said poly (n-alkylacrylate) wherein said poly(n-alkylacrylate) is initially introduced in said residual fuel at a temperature above the solution point of said wax.

Copolymer useful as viscosity index improving additive for hydraulic fluid

A copolymer useful as a viscosity index improving additive for hydraulic fluids includes from about 55 wt% to about 99.5 wt% alkyl ester repeating units of the structural formula:

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.

Lubricants with phosphorus fonctionalized polymers

Lubricating composition

The present invention provides a lubricating composition comprising a base oil (A) and a hydroxyl group-added poly(meth) acrylate (B).

(METH) ALKYL ACRYLATES WITH LONG LINEAR CHAINS WITH ALKYL RAMIFICATIONS, THEIR PREPARATION AND THEIR USE IN THE MANUFACTURE OF PETROLEUM ADDITIVES

L'invention a pour objet des (méth)acrylates d'alkyle à longue chaîne linéaire porteuse de ramifications alkyles répondant à la formule générale (I) : dans laquelle R1 est un atome d'hydrogène ou un radical méthyle et R2 représente une longue chaîne alkyle de formule (II) :R(CH2-CH2)n(CH2-CH(R3))m-dans laquelle R est un radical méthyle ou éthyle, R3 est un radical alkyle à chaîne linéaire ou ramifiée ayant de 1 à 6 atomes de carbone, n = 9 à 100, m = 1 à 20, les motifs -CH2-CH2- et -CH2-CH(R3)- pouvant être répartis sous forme bloc ou statistique.Ces composés sont notamment utilisables pour la fabrication d'additifs destinés à l'abaissement du point de figeage des huiles paraffiniques ou des carburants (gazoles et fiouls), ainsi que pour la fabrication d'additifs pour lubrifiants. The subject of the invention is long-chain linear alkyl-bearing (meth) acrylates with alkyl branches corresponding to the general formula (I): in which R 1 is a hydrogen atom or a methyl radical and R 2 represents a long chain. alkyl of formula (II): R (CH 2 -CH 2) n (CH 2 -CH (R 3)) m-wherein R is a methyl or ethyl radical, R 3 is a straight or branched chain alkyl radical having from 1 to 6 atoms of carbon, n = 9 to 100, m = 1 to 20, the -CH2-CH2- and -CH2-CH (R3) - units being able to be distributed in block or statistical form.These compounds can in particular be used for the manufacture of additives for the lowering of the setting point of paraffinic oils or fuels (gas oils and fuel oils), as well as for the manufacture of additives for lubricants.

FUEL COMPOSITIONS WITH IMPROVED FLOW AT LOW TEMPERATURE

ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (11) 2005 140 538 (13) A (51) ÌÏÊ C10K 1/18 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÇÀßÂÊÀ ÍÀ ÈÇÎÁÐÅÒÅÍÈÅ (21), (22) Çà âêà: 2005140538/04, 27.05.2004 (71) Çà âèòåëü(è): ÁÀÑÔ Àêöèåíãåçåëüøàôò (DE) (30) Êîíâåíöèîííûé ïðèîðèòåò: 27.05.2003 DE 10324101.9 (43) Äàòà ïóáëèêàöèè çà âêè: 10.08.2006 Áþë. ¹ 22 (87) Ïóáëèêàöè PCT: WO 2004/106471 (09.12.2004) Àäðåñ äë ïåðåïèñêè: 105064, Ìîñêâà, óë. Êàçàêîâà, 16, ÍÈÈÐ Êàíöåë ðè "Ïàòåíòíûå ïîâåðåííûå Êâàøíèí, Ñàïåëüíèêîâ è ïàðòíåðû", ïàò.ïîâ. Â.Ï.Êâàøíèíó R U (57) Ôîðìóëà èçîáðåòåíè 1. Ñîïîëèìåð, ïîñòðîåííûé èç ìîíîìåðîâ, âêëþ÷àþùèõ Ì1, Ì2 è Ì3, ïðè÷åì Ì1, Ì2 è Ì3 èìåþò ñëåäóþùèå îáùèå ôîðìóëû A 2 0 0 5 1 4 0 5 3 8 A (54) ÑÎÑÒÀÂÛ ÒÎÏËÈÂÀ Ñ ÓËÓ×ØÅÍÍÎÉ ÒÅÊÓ×ÅÑÒÜÞ ÏÐÈ ÍÈÇÊÎÉ ÒÅÌÏÅÐÀÒÓÐÅ ãäå R 1 îçíà÷àåò Í èëè Ñ1-C40-ãèäðîêàðáèë; R 2, R 3, R 4 è R 5 îäèíàêîâû èëè ðàçëè÷íû è îçíà÷àþò Í, Ñ1-C40-ãèäðîêàðáèë, -COOR 14 èëè -OCOR 14, ïðè÷åì R 14 îçíà÷àåò Ñ1-C40-ãèäðîêàðáèë è ïðè÷åì, ïî ìåíüøåé ìåðå, îäèí èç îñòàòêîâ R 2, R 3, R 4 è R 5 îçíà÷àþò -COOR 14 èëè -OCOR 14; R 6, R 7 è R 8 îäèíàêîâû èëè ðàçëè÷íû è îçíà÷àþò Í èëè Ñ1-Ñ4-àëêèë è R 9 îçíà÷àåò COOR 10, Ñòðàíèöà: 1 RU 2 0 0 5 1 4 0 5 3 8 (86) Çà âêà PCT: EP 2004/005736 (27.05.2004) (74) Ïàòåíòíûé ïîâåðåííûé: Êâàøíèí Âàëåðèé Ïàâëîâè÷ R U (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 27.12.2005 (72) Àâòîð(û): ÀËÅÐÑ Âîëüôãàíã (DE), ÔÅÕÒÅÍÊÅÒÒÅÐ Àíäðåàñ (DE), ÌÅËÈÍà Ôðàíê-Îëàô (DE) ïðè÷åì R 10 îçíà÷àåò ãðóïïó ôîðìóëû ãäå À îçíà÷àåò Ñ2-C4-àëêèëåí, R 11 îçíà÷àåò C1-C10-àëêèë èëè 3- äî 16-÷ëåííîå êàðáî- èëè ãåòåðîöèêëè÷åñêîå, íàñûùåííîå, îäèí èëè íåñêîëüêî ðàç íåíàñûùåííîå êîëüöî èëè ñîîòâåòñòâóþùóþ êîíäåíñèðîâàííóþ êîëüöåâóþ ñèñòåìó è n îçíà÷àåò ÷èñëî îò 1 äî 20. 2. Ñîïîëèìåð ïî ï.1, îòëè÷àþùèéñ òåì, ÷òî ìîíîìåðû Ì1, Ì2 è Ì3 ñîäåðæàòñ â ñîïîëèìåðå â ñëåäóþùèõ ìîë ðíûõ äîë õ: Ì1: îò 0,7 äî 0,95 Ì2: îò 0,008 äî 0,22 Ì3: îò 0, 01 äî 0,15. 3. Ñîïîëèìåð ïî ï.1 èëè 2, îòëè÷àþùèéñ òåì, ÷òî ìîíîìåð Ì1 âûáðàí ...

Polyacrylate antifoam components for use in diesel fuels

There is disclosed an antifoam component which includes at least one poly(acrylate) copolymer for use in a diesel fuel. Poly(acrylate) polymers prepared by polymerizing a (meth)acrylate monomer comprising C 1 to C 30 alkyl esters of (meth)acrylic acid ("multifunctional monomer") are also disclosed. Other poly(acrylate) polymers prepared by polymerizing (i) a (meth)acrylate monomer comprising C 1 to C 4 alkyl esters of (meth)acrylic acid ("solubility monomer"); (ii) a (meth)acrylate monomer comprising C 5 to C 12 alkyl esters of (meth)acrylic acid ("surface tension monomer"); and (iii) optionally at least one additional monomer comprising a solubility monomer, a surface tension monomer, a monomer comprising C 1 to C 30 alkyl esters of (meth)acrylic acid ("multifunctional monomer"), or combinations thereof are also disclosed.

Methacrylate copolymer pourpoint depressants

公开了聚甲基丙烯酸酯共聚物，其包括约60到约96wt％的甲基丙烯酸C 12 -C 16 烷基酯以及约40到约4wt％的甲基丙烯酸C 18 -C 30 烷基酯，并且给润滑油提供了优良的低温性能。

Comprise heat to associate and the lubricating composition of commutative copolymer

本发明涉及由至少一种润滑油、至少一种统计共聚物A1和包含至少两个硼酸酯官能团的至少一种化合物A2的混合物得到的组合物；所述统计共聚物A1由具有二醇官能团的至少一种第一单体M1与具有与M1单体化学结构不同的至少一种第二单体M2的共聚得到。本发明还涉及所述组合物用于润滑机械部件的用途。本发明的领域是润滑剂领域。

Additive for biodiesel and biofuel oils

The invention relates to a copolymer consisting of the following monomer components: a) 48-98 wt. % of compounds of formula (I), b) 2-30 wt. % of one or several oxygen-containing methacrylates of formula (II) and c) 0-30 wt. % of a methacrylate of formula (III) or styrol, the quantities a) - c) totalling 100 wt. %. The inventive copolymer is suitable as a an additive for diesel fuels and biodiesel.

Gradient copolymer and process for its production and use thereof

Waxy residual lube oil composition of reduced pour point

Additive for biodiesel and biofuel oils

본 발명은 단량체 성분으로서, 화학식 I의 화합물(a) 48 내지 98중량%, 화학식 II의 하나 또는 다수의 산소 함유 메타크릴레이트(b) 2 내지 30중량% 및 스티렌 또는 화학식 III의 메타크릴레이트(c) 0 내지 30중량%로 이루어지며, 단량체 성분(a) 내지 단량체 성분(c)의 총량이 100중량%인 공중합체에 관한 것이다. The present invention relates to a monomer component comprising 48 to 98% by weight of compound (a) of formula (I), 2 to 30% by weight of one or a plurality of oxygen-containing methacrylates (b) of formula (II) and styrene or methacrylate of formula (III) c) from 0 to 30% by weight, wherein the total amount of monomer components (a) to (c) is 100% by weight. 화학식 I Formula I 화학식 II Formula II 화학식 III Formula III 본 발명의 공중합체는 바이오 디젤 및 바이오 연료 첨가제로서 적합하다. The copolymers of the present invention are suitable as biodiesel and biofuel additives. 바이오 디젤, 바이오 연료, 산소 함유 화합물, 메타크릴레이트, 저온 유동 거동 Biodiesel, biofuels, oxygen-containing compounds, methacrylates, low temperature flow behavior

Copolymers that can be obtained using atrp methods, as well as methods for their production and use

The invention relates to copolymers which can be obtained using ATRP methods, whereby a mixture of ethylenically unsaturated monomers is polymerized. Said mixture is comprised of: a) 0 to 40 wt. % of one or more ethylenically unsaturated ester compounds of formula (I), wherein R represents hydrogen or methyl, R1 represents a linear or branched alkyl radical with 1 to 5 carbon atoms, R1 and R3 independently represent hydrogen or a group of formula -COOR', wherein R' represents hydrogen or an alkyl group with 1 to 5 carbon atoms, of; b) 10 to 98 wt. % of one or more ethylenically unsaturated ester compounds of formula (II), wherein R represents hydrogen or methyl, R4 represents a linear or branched alkyl radical with 6 to 15 carbon atoms, R5 and R6 independently represent hydrogen or a group of formula -COOR", wherein R" represents hydrogen or an alkyl group with 6 to 15 carbon atoms, of; c) 0 to 80 wt. % of one or more ethylenically unsaturated ester compounds of formula (III), wherein R represents hydrogen or methyl, RI represents a linear or branched alkyl radical with 16 to 30 carbon atoms, R8 and R9 independently represent hydrogen or a group of formula -COOR''', wherein R''' represents hydrogen or an alkyl group with 16 to 30 carbon atoms, and of; d) 0 to 50 wt. % of comonomers. The novel copolymers are used as setting point improvers.

Additive for biodiesel and biofuel oils