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1. WO2020194548 - LUBRICATING OIL COMPOSITION FOR AUTOMOBILE GEARS AND METHOD FOR PRODUCING SAME

Publication Number WO/2020/194548
Publication Date 01.10.2020
International Application No. PCT/JP2019/013003
International Filing Date 26.03.2019
IPC
C10M 169/04 2006.01
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
169Lubricating 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
04Mixtures of base-materials and additives
C08F 4/6592 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
4Polymerisation catalysts
42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
44selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides
60together with refractory metals, iron group metals, platinum group metals, manganese, technetium, rhenium, or compounds thereof
62Refractory metals or compounds thereof
64Titanium, zirconium, hafnium, or compounds thereof
659Component covered by group C08F4/6455
6592containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
C08F 210/16 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
210Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
16Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
C10M 101/02 2006.01
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
101Lubricating compositions characterised by the base-material being a mineral or fatty oil
02Petroleum fractions
C10M 107/02 2006.01
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
107Lubricating compositions characterised by the base-material being a macromolecular compound
02Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
C10M 143/00 2006.01
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
143Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
Applicants
  • 三井化学株式会社 MITSUI CHEMICALS, INC. [JP]/[JP]
Inventors
  • 阿部 昌太 ABE Shota
Agents
  • 特許業務法人SSINPAT SSINPAT PATENT FIRM
Priority Data
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) LUBRICATING OIL COMPOSITION FOR AUTOMOBILE GEARS AND METHOD FOR PRODUCING SAME
(FR) COMPOSITION D'HUILE LUBRIFIANTE POUR ROUE D'ENGRENAGE AUTOMOBILE, ET PROCÉDÉ DE FABRICATION DE CELLE-CI
(JA) 自動車ギア用潤滑油組成物およびその製造方法
Abstract
(EN)
[Problem] To provide a lubricating oil composition for automobile gears, which has an excellent balance among shear stability, temperature viscosity characteristics and low-temperature viscosity characteristics at high levels, while having excellent stability of thermal oxidation resistance. [Solution] A lubricating oil composition for automobile gears, which contains a lubricant base oil and a liquid random copolymer of ethylene and an α-olefin, said random copolymer being produced using a specific catalyst, and which is configured such that: the kinematic viscosity at 100°C is 7-30 mm2/s; and the lubricant base oil is composed of a mineral oil that has a kinematic viscosity at 100°C of 2-10 mm2/s, a viscosity index of 105 or more and a pour point of -10°C or less and/or a synthetic oil that has a kinematic viscosity at 100°C of 1-10 mm2/s, a viscosity index of 120 or more and a pour point of -30°C or less.
(FR)
L'invention fournit une composition d'huile lubrifiante pour huile de roue d'engrenage automobile qui présente un excellent équilibre à un niveau élevé entre stabilité au cisaillement, caractéristiques de température et viscosité, et caractéristiques de viscosité à basse température, et qui se révèle également excellente en termes de résistance à la chaleur et stabilité à l'oxydation. Plus précisément, l'invention concerne une composition d'huile lubrifiante pour roue d'engrenage automobile qui comprend une huile de base d'huile lubrifiante, et un copolymère aléatoire liquide d'un éthylène et d'une α-oléfine fabriqué à l'aide d'un catalyseur spécifique, et qui présente une viscosité cinématique à 100°C comprise entre 7 et 30mm2/s. Ladite huile de base d'huile lubrifiante est constituée d'une huile minérale de viscosité cinématique à 100°C comprise entre 2 et 10mm2/s, d'indice de viscosité supérieur ou égal à 105 et de point d'écoulement inférieur ou égal à -10℃ et/ou d'une huile synthétique de viscosité cinématique à 100°C comprise entre 1 et 10mm2/s, d'indice de viscosité supérieur ou égal à 120, et de point d'écoulement inférieur ou égal à -30℃.
(JA)
[課題]剪断安定性、温度粘度特性および低温粘度特性が高い水準でバランス良く優れ、さらに耐熱酸化安定性にも優れる自動車ギア油用潤滑油組成物を提供すること。 [解決手段]潤滑油基油と、特定の触媒を用いて製造されるエチレンとα-オレフィンとの液状ランダム共重合体とを含有し、100℃における動粘度が7~30mm2/sであり、前記潤滑油基油が、100℃における動粘度が2~10mm2/s、粘度指数が105以上、流動点が-10℃以下である鉱物油、および/または100℃における動粘度が1~10mm2/s、粘度指数が120以上、流動点が-30℃以下である合成油からなる自動車ギア用潤滑油組成物。
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