CN105934503B - 用于改进老化润滑油的低温粘度的倾点下降剂 - Google Patents
用于改进老化润滑油的低温粘度的倾点下降剂 Download PDFInfo
- Publication number
- CN105934503B CN105934503B CN201580005239.0A CN201580005239A CN105934503B CN 105934503 B CN105934503 B CN 105934503B CN 201580005239 A CN201580005239 A CN 201580005239A CN 105934503 B CN105934503 B CN 105934503B
- Authority
- CN
- China
- Prior art keywords
- weight
- alkyl
- meth
- lubricating oil
- oil composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
- C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
- C10M145/12—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate monocarboxylic
- C10M145/14—Acrylate; Methacrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1818—C13or longer chain (meth)acrylate, e.g. stearyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/08—Homopolymers or copolymers of acrylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M157/00—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/022—Ethene
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/04—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing aromatic monomers, e.g. styrene
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/073—Star shaped polymers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/08—Resistance to extreme temperature
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/78—Fuel contamination
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/252—Diesel engines
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Lubricants (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461929534P | 2014-01-21 | 2014-01-21 | |
| US61/929,534 | 2014-01-21 | ||
| EP14153359 | 2014-01-31 | ||
| EP14153359.6 | 2014-01-31 | ||
| PCT/EP2015/050631 WO2015110340A1 (en) | 2014-01-21 | 2015-01-15 | Pour point depressants for improving the low-temperature viscosity of aged lubricating oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105934503A CN105934503A (zh) | 2016-09-07 |
| CN105934503B true CN105934503B (zh) | 2019-08-23 |
Family
ID=50030102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580005239.0A Active CN105934503B (zh) | 2014-01-21 | 2015-01-15 | 用于改进老化润滑油的低温粘度的倾点下降剂 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20160348026A1 (enExample) |
| EP (1) | EP3097167B1 (enExample) |
| JP (1) | JP6463767B2 (enExample) |
| KR (1) | KR102221889B1 (enExample) |
| CN (1) | CN105934503B (enExample) |
| AU (1) | AU2015208322B2 (enExample) |
| CA (1) | CA2937362C (enExample) |
| MX (1) | MX2016009252A (enExample) |
| MY (1) | MY176066A (enExample) |
| RU (1) | RU2683257C2 (enExample) |
| SG (1) | SG11201605185WA (enExample) |
| WO (1) | WO2015110340A1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9879201B2 (en) * | 2014-02-28 | 2018-01-30 | Cosmo Oil Lubricants Co., Ltd. | Engine oil composition |
| WO2018000804A1 (zh) * | 2016-06-28 | 2018-01-04 | 中国石油化工股份有限公司 | 一种梯度共聚物、其制造方法及其应用 |
| CN108003980B (zh) * | 2016-10-27 | 2020-04-28 | 中国石油化工股份有限公司 | 汽油发动机润滑油组合物及其制备方法 |
| CN108003983B (zh) * | 2016-10-27 | 2020-05-19 | 中国石油化工股份有限公司 | 柴油发动机润滑油组合物及其制备方法 |
| CN108003981B (zh) * | 2016-10-27 | 2020-04-28 | 中国石油化工股份有限公司 | 汽油发动机润滑油组合物及其制备方法 |
| JP6975169B2 (ja) * | 2016-11-30 | 2021-12-01 | 株式会社クラレ | メタクリル系共重合体溶液の製造方法 |
| EP3708640B1 (en) * | 2019-03-11 | 2021-03-17 | Evonik Operations GmbH | Polyalkylmethacrylate viscosity index improvers |
| US11680222B2 (en) | 2020-10-30 | 2023-06-20 | Afton Chemical Corporation | Engine oils with low temperature pumpability |
| CN112898476A (zh) * | 2021-01-21 | 2021-06-04 | 上海应用技术大学 | 一种二元聚合物生物柴油降凝剂及其制备方法与应用 |
| EP4119640B1 (en) * | 2021-07-16 | 2023-06-14 | Evonik Operations GmbH | Lubricant additive composition containing polyalkylmethacrylates |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2655479A (en) * | 1949-01-03 | 1953-10-13 | Standard Oil Dev Co | Polyester pour depressants |
| CN1267321A (zh) * | 1997-08-22 | 2000-09-20 | 罗姆罗麦斯控股有限公司 | 使用高和低分子量的聚合物添加剂混合物来改进润滑油的低温流动性的方法 |
| CN1292391A (zh) * | 1999-09-22 | 2001-04-25 | 乙基公司 | (甲基)丙烯酸酯共聚物倾点下降剂 |
| CN101679902A (zh) * | 2007-06-08 | 2010-03-24 | 东邦化学工业株式会社 | 润滑油用倾点下降剂 |
| CN103201362A (zh) * | 2010-10-29 | 2013-07-10 | 赢创油品添加剂有限公司 | 具有改进的性能的柴油发动机 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1559952A (en) * | 1977-10-26 | 1980-01-30 | Shell Int Research | Lubricating oil compositions |
| DE3339103A1 (de) * | 1983-10-28 | 1985-05-09 | Röhm GmbH, 6100 Darmstadt | Additive fuer schmieroele |
| DE3607444A1 (de) * | 1986-03-07 | 1987-09-10 | Roehm Gmbh | Additive fuer mineraloele mit stockpunktverbessernder wirkung |
| DE3613992C2 (de) * | 1986-04-25 | 2000-05-04 | Roehm Gmbh | Additive für paraffinische Schmieröle |
| JP3872167B2 (ja) * | 1997-05-09 | 2007-01-24 | 三洋化成工業株式会社 | 流動点降下剤 |
| CA2567235A1 (en) * | 2006-11-07 | 2008-05-07 | Ciba Specialty Chemicals Holding Inc. | Methacrylate copolymer pour point depressants |
-
2015
- 2015-01-15 SG SG11201605185WA patent/SG11201605185WA/en unknown
- 2015-01-15 AU AU2015208322A patent/AU2015208322B2/en active Active
- 2015-01-15 JP JP2016547909A patent/JP6463767B2/ja active Active
- 2015-01-15 KR KR1020167021308A patent/KR102221889B1/ko active Active
- 2015-01-15 WO PCT/EP2015/050631 patent/WO2015110340A1/en not_active Ceased
- 2015-01-15 CA CA2937362A patent/CA2937362C/en active Active
- 2015-01-15 RU RU2016133204A patent/RU2683257C2/ru active
- 2015-01-15 EP EP15700666.9A patent/EP3097167B1/en active Active
- 2015-01-15 US US15/112,970 patent/US20160348026A1/en not_active Abandoned
- 2015-01-15 MX MX2016009252A patent/MX2016009252A/es active IP Right Grant
- 2015-01-15 CN CN201580005239.0A patent/CN105934503B/zh active Active
- 2015-01-15 MY MYPI2016702562A patent/MY176066A/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2655479A (en) * | 1949-01-03 | 1953-10-13 | Standard Oil Dev Co | Polyester pour depressants |
| CN1267321A (zh) * | 1997-08-22 | 2000-09-20 | 罗姆罗麦斯控股有限公司 | 使用高和低分子量的聚合物添加剂混合物来改进润滑油的低温流动性的方法 |
| CN1292391A (zh) * | 1999-09-22 | 2001-04-25 | 乙基公司 | (甲基)丙烯酸酯共聚物倾点下降剂 |
| CN101679902A (zh) * | 2007-06-08 | 2010-03-24 | 东邦化学工业株式会社 | 润滑油用倾点下降剂 |
| CN103201362A (zh) * | 2010-10-29 | 2013-07-10 | 赢创油品添加剂有限公司 | 具有改进的性能的柴油发动机 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2937362A1 (en) | 2015-07-30 |
| AU2015208322A1 (en) | 2016-08-04 |
| KR102221889B1 (ko) | 2021-03-02 |
| BR112016016713A2 (pt) | 2018-05-08 |
| CN105934503A (zh) | 2016-09-07 |
| WO2015110340A1 (en) | 2015-07-30 |
| MY176066A (en) | 2020-07-24 |
| KR20160111402A (ko) | 2016-09-26 |
| EP3097167B1 (en) | 2019-06-19 |
| EP3097167A1 (en) | 2016-11-30 |
| RU2683257C2 (ru) | 2019-03-27 |
| US20160348026A1 (en) | 2016-12-01 |
| CA2937362C (en) | 2021-11-30 |
| SG11201605185WA (en) | 2016-08-30 |
| AU2015208322B2 (en) | 2018-06-14 |
| JP2017503898A (ja) | 2017-02-02 |
| JP6463767B2 (ja) | 2019-02-06 |
| MX2016009252A (es) | 2016-09-09 |
| RU2016133204A3 (enExample) | 2018-08-03 |
| RU2016133204A (ru) | 2018-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105934503B (zh) | 用于改进老化润滑油的低温粘度的倾点下降剂 | |
| CN1104487C (zh) | 使用高和低分子量的聚合物添加剂混合物来改进润滑油的低温流动性的方法 | |
| JP6014540B2 (ja) | 内燃機関用潤滑油組成物 | |
| JP5735827B2 (ja) | 粘度指数向上剤、潤滑油用添加剤および潤滑油組成物 | |
| JP2748104B2 (ja) | 粘度指数向上剤及び潤滑油 | |
| BR102018076009A2 (pt) | Polímero de polialquil(met)acrilato, seu método de produção, uso e composição | |
| CN105849240A (zh) | 润滑组合物 | |
| JP2004124080A (ja) | 粘度指数向上剤及び潤滑油組成物 | |
| JPH10237135A (ja) | 組成連続変動コポリマーを製造する方法 | |
| CN101679534A (zh) | 制备可连续变化组成的共聚物的改进方法 | |
| BR102021025822A2 (pt) | Copolímeros de acrilato-olefina como fluidos de base de alta viscosidade | |
| CN101679902B (zh) | 润滑油用倾点下降剂 | |
| JP2004149794A (ja) | 粘度指数向上剤及び潤滑油組成物 | |
| JP2004149794A6 (ja) | 粘度指数向上剤及び潤滑油組成物 | |
| JPH05287028A (ja) | メタクリレート重合体 | |
| BR112016016713B1 (pt) | Depressores do ponto de fluidez para melhorar a viscosidade em baixa temperatura de óleo lubrificante envelhecido | |
| BR102020015933A2 (pt) | Polímero de polialquil(met)acrilato, método para fabricação, uso e composição do mesmo | |
| JP7715544B2 (ja) | 潤滑油組成物 | |
| EP4569054B1 (en) | Polyalkyl (meth)acrylate polymers as high viscosity base fluids | |
| JP7715543B2 (ja) | 潤滑油組成物 | |
| TW204359B (en) | Ashless dispersant polymethacrylate polymers | |
| BR102023009959A2 (pt) | Copolímeros de acrilato-olefina como fluidos de base de alta velocidade | |
| BR102022004901A2 (pt) | Melhorador do índice de viscosidade e composições lubrificantes do mesmo |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Essen, Germany Patentee after: Evonik Operations Ltd. Address before: Essen, Germany Patentee before: EVONIK DEGUSSA GmbH |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200116 Address after: Essen, Germany Patentee after: EVONIK DEGUSSA GmbH Address before: Darmstadt Patentee before: EVONIK ROHMAX ADDITIVES GmbH |
|
| TR01 | Transfer of patent right |