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JP2859077B2 - 潤滑油組成物 - Google Patents

潤滑油組成物

Info

Publication number
JP2859077B2
JP2859077B2 JP5083238A JP8323893A JP2859077B2 JP 2859077 B2 JP2859077 B2 JP 2859077B2 JP 5083238 A JP5083238 A JP 5083238A JP 8323893 A JP8323893 A JP 8323893A JP 2859077 B2 JP2859077 B2 JP 2859077B2
Authority
JP
Japan
Prior art keywords
weight
compound
oil
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.)
Expired - Lifetime
Application number
JP5083238A
Other languages
English (en)
Other versions
JPH06293892A (ja
Inventor
一志 畑
俊之 坪内
尚 町田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NSK Ltd
Idemitsu Kosan Co Ltd
Original Assignee
NSK Ltd
Idemitsu Kosan Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=13796750&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP2859077(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by NSK Ltd, Idemitsu Kosan Co Ltd filed Critical NSK Ltd
Priority to JP5083238A priority Critical patent/JP2859077B2/ja
Priority to EP94105343A priority patent/EP0620267B1/en
Priority to DE69406705T priority patent/DE69406705T2/de
Priority to US08/225,314 priority patent/US5460741A/en
Priority to CA002120888A priority patent/CA2120888C/en
Publication of JPH06293892A publication Critical patent/JPH06293892A/ja
Application granted granted Critical
Publication of JP2859077B2 publication Critical patent/JP2859077B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
    • G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
    • G02B6/52—Underground or underwater installation; Installation through tubing, conduits or ducts using fluid, e.g. air
    • 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
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/02—Well-defined hydrocarbons
    • C10M105/04—Well-defined hydrocarbons aliphatic
    • 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
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/68—Esters
    • C10M129/76—Esters containing free hydroxy or carboxyl groups
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
    • C10M133/04—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M133/12—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/52—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of 30 or more atoms
    • C10M133/56—Amides; Imides
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    • C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
    • C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
    • C10M137/04—Phosphate esters
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    • C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
    • C10M141/06—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic nitrogen-containing compound
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    • 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
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    • C10M155/02—Monomer containing silicon
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    • 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
    • C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
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    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
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    • C10M2203/022—Well-defined aliphatic compounds saturated
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    • C10M2203/024—Well-defined aliphatic compounds unsaturated
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    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/04—Well-defined cycloaliphatic compounds
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    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/04—Well-defined cycloaliphatic compounds
    • C10M2203/045—Well-defined cycloaliphatic compounds used as base material
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    • C10M2205/026—Butene
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    • 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
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    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
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    • C10M2215/065—Phenyl-Naphthyl amines
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Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は潤滑油組成物に関し、詳
しくは基油，特定のヒンダードフェノール化合物，特定
のアルキル化ジフェニルアミン化合物及びホウ素系コハ
ク酸イミド化合物を主成分とし、耐熱性及び耐酸化安定
性に優れ、特にミスト状で高温に曝されるトラクション
油や圧縮機油などとして長時間安定に作動する潤滑油組
成物に関する。
【０００２】
【従来の技術及び発明が解決しようとする課題】近年、
自動車用トラクションドライブ無段変速機（ＣＶＴ）
は、伝達動力の大容量化に加え、小型化ならびにメイン
テナンスフリー化の動向にある。この動向に伴って、潤
滑油には耐熱性や耐高温酸化安定性が要求されてきてお
り、年々その要求レベルは高くなっている。従来は、い
わゆる液相部の耐熱性や耐高温酸化安定性を確保するこ
とを主体に研究開発が進められてきたが、これまでに開
発されている潤滑油では、気相部での熱劣化や酸化劣化
を抑制することは困難であった。
【０００３】そこで、本発明者らは、かかる従来の上記
課題を解消し、気相部での耐熱性や耐高温酸化安定性を
向上させ、トラクション油やスクリュー式またはロータ
リー式圧縮機油等として長時間安定に作動する潤滑油組
成物を開発すべく鋭意研究を重ねた。その結果、基油に
特定のヒンダードフェノール化合物，特定のアルキル化
ジフェニルアミン化合物及びホウ素系コハク酸イミド化
合物を配合することによって、所期の目的を達成できる
ことを見出した。本発明は、このような知見に基いて完
成したものである。
【０００４】
【課題を解決するための手段】すなわち、本発明は、
（Ａ）鉱油及び／又は合成油からなる基油，（Ｂ）式
【０００５】
【化３】
【０００６】（式中、ｍは１〜５の整数である。）で表
されるヒンダードフェノール化合物０.2〜２.0重量％，
（Ｃ）一般式
【０００７】
【化４】
【０００８】（式中、Ｒ1 ，Ｒ2 ，Ｒ3 及びＲ4 は、そ
れぞれ水素あるいは炭素数１〜２０のアルキル基を示
す。ただし、Ｒ1 〜Ｒ4 のうちの少なくとも一つはアル
キル基である。）で表わされるアルキル化ジフェニルア
ミン化合物０.2〜２.0重量％及び（Ｄ）ホウ素系コハク
酸イミド化合物０.2〜１０.0重量％の割合で、かつ
（Ｂ）ヒンダードフェノール化合物に対して（Ｃ）アル
キル化ジフェニルアミン化合物を重量比で０.6〜１.6と
するとともに、（Ｂ）ヒンダードフェノール化合物と
（Ｃ）アルキル化ジフェニルアミン化合物の合計割合が
１.0〜３.5重量％となるように配合してなるトラクショ
ンドライブ用流体を提供するものである。
【０００９】先ず、本発明の潤滑油組成物の（Ａ）成分
を構成する基油には、各種の鉱油あるいは合成油を用い
ることができる。また、鉱油と合成油を併用することも
できる。ここで鉱油としては各種のものが使用できる
が、特にナフテン系鉱油を好適なものとしてあげること
ができる。なお、パラフィン系鉱油や中間系鉱油であっ
ても、核水添−深脱ロウ処理により精製した比較的ナフ
テン分が多いものも同様に好適なものとしてあげること
ができる。一方、合成油としては、様々なものがあり、
例えば脂環系炭化水素，縮合脂環系炭化水素，橋頭脂環
系炭化水素，ポリブテン，ポリオレフィン（ポリα−オ
レフィンなど）、さらにはポリオールエステルや二塩基
酸エステルなどのエステル，アルキルベンゼン，リン酸
エステル等をあげることができ、そのうちナフテン環含
有合成油やポリブテン等を好適なものとしてあげること
ができる。これら好適なものとして挙げた鉱油あるいは
合成油には、添加剤の溶解性が良好である、系内に
発生するカーボンスラッジが柔軟であって剥落しやす
い、トラクション係数が高いなどの利点がある。
【００１０】一方、本発明の潤滑油組成物の（Ｂ）成分
を構成するヒンダードフェノール化合物は、前述の式
（Ｉ）又は（II）で表されるものである。また、この式
（Ｉ），（II）で表される化合物を併用することもでき
る。
【００１１】本発明の潤滑油組成物の（Ｃ）成分を構成
するアルキル化ジフェニルアミン化合物は、前述の一般
式(III) で表されるものである。式中、Ｒ1 ，Ｒ2 ，Ｒ
3 及びＲ4 は、それぞれ水素あるいは炭素数１〜２０の
アルキル基、好ましくは炭素数３〜１２のアルキル基を
示す。ただし、Ｒ1 〜Ｒ4 のうちの少なくとも一つはア
ルキル基である（つまり、Ｒ1 〜Ｒ4 のすべてが同時に
水素である場合は除く）。例えば、Ｒ1 及びＲ2 がそ
れぞれ炭素数３〜９のアルキル基（複数のアルキル基の
混合物を含む）であって、Ｒ3 及びＲ4 がそれぞれ水素
である化合物、Ｒ1 〜Ｒ3 がそれぞれ炭素数４〜８の
アルキル基（複数のアルキル基の混合物を含む）であっ
て、Ｒ4 が水素である化合物、Ｒ1 のみが炭素数６〜
１２のアルキル基（複数のアルキル基の混合物を含む）
であって、Ｒ2 〜Ｒ4 がそれぞれ水素である化合物が挙
げられる。
【００１２】本発明の潤滑油組成物においては、上記
（Ｂ）成分と（Ｃ）成分の配合割合は特に制限はなく、
状況に応じて適宜選定すればよいが、通常は組成物全体
に対して（Ｂ）成分0.２〜2.０重量％、好ましくは0.５
〜1.５重量％とし、（Ｃ）成分0.２〜2.０重量％、好ま
しくは0.５〜1.５重量％とする。（Ｂ）成分あるいは
（Ｃ）成分の配合割合が少ないと、所期の目的を達成で
きない場合があり、逆に多すぎても、配合量に相当する
効果の向上は認められない。また、（Ｂ）成分と（Ｃ）
成分の配合割合は、特に制限はないが、好ましくは
（Ｂ）成分に対して（Ｃ）成分を重量比で0.６〜1.６、
特に0.８〜1.５に選定する。これら（Ｂ）成分と（Ｃ）
成分は、それぞれ上述した配合割合で加えることが好ま
しいが、さらに両成分の合計割合については、好ましく
は1.０〜3.５重量％、特に好ましくは1.４〜2.５重量％
の範囲で選定する。
【００１３】また、本発明の潤滑油組成物の（Ｄ）成分
を構成するホウ素系コハク酸イミド化合物については、
様々なものがあるが、例えばコハク酸イミド化合物を
ホウ素化合物と反応させて得られる反応生成物あるいは
アミン化合物にホウ素化合物を反応させ、次いでコハ
ク酸誘導体を反応させて得られる反応生成物などが充当
される。上記の反応生成物は、コハク酸イミド化合物
とホウ素化合物と反応させることによって得られるが、
ここでコハク酸イミド化合物としては、例えばポリアル
キレンポリアミン（アミン化合物）とアルケニルコハク
酸又はその誘導体（コハク酸誘導体）とを反応させるこ
とによって製造される様々なものが使用可能である。こ
のコハク酸イミド化合物の製造に供されるポリアルキレ
ンポリアミンとしては、アルキレンがエチレン，プロピ
レン，ブチレン等によって様々なものがある。その中で
は、アルキレンがエチレンであるポリエチレンポリアミ
ンがその代表例である。ポリエチレンポリアミンは、一
般式（Ａ） ＮＨ2 ［（ＣＨ2)2 ＮＨ］a Ｈ ・・・（Ａ） （式中、ａは１〜６の整数を示す。）で表され、ｎ個の
アミノ基を有する（ただし、ｎ＝ａ＋１）。
【００１４】一般式（Ａ）で表されるポリエチレンポリ
アミンとしては、その代表例としては、ａ＝４に相当す
るテトラエチレンペンタミンを挙げることができる。そ
の他、エチレンジアミン，ジエチレントリアミン，トリ
エチレンテトラミン，ペンタエチレンヘキサミン等があ
る。また、ポリアルキレンポリアミンには、上記ポリエ
チレンポリアミンの他にポリプロピレンポリアミン，ポ
リブチレンポリアミン等がある。これらのポリアルキレ
ンポリアミンは、それぞれ単独であるいは任意の割合で
組合せて混合使用することができる。また、アルケニル
コハク酸又はその誘導体（例えば、無水物）としては、
様々なものが使用可能である。そのなかで、例えば、ア
ルケニル基が、炭素数２〜５のモノオレフィンの重合
体，特にポリイソブテニル基を有するもので、数平均分
子量５００〜5,０００、好ましくは８００〜2,５００の
数平均分子量を有するポリイソブテンから誘導されるポ
リイソブテニルコハク酸無水物が実用的である。その他
のアルケニル基としては、エチレン，プロピレン等の重
合体又は共重合体もしくはイソブテンとエチレン，プロ
ピレンとの共重合体等を挙げることができる。このアル
ケニルコハク酸又はその誘導体を製造するには、例え
ば、ポリイソブテニルコハク酸無水物についてみると、
先ず、ポリイソブテン１モルに対して無水マレイン酸１
〜1.５モルを加え、触媒を添加して１５０〜２８０℃で
マレイン化を行う。次いで、マレイン化後、未反応のマ
レイン酸を減圧脱気し、ケイソウ土を添加して濾過する
ことによりポリイソブテニルコハク酸の無水物を得るこ
とができる。
【００１５】一方、上記コハク酸イミド化合物と反応さ
せるホウ素化合物についても各種のものがあるが、通常
はホウ酸，ホウ酸塩あるいはホウ酸エステルなどから適
宜選定使用すればよい。なお、の反応生成物を製造す
る際に用いるアミン化合物，ホウ素化合物及びコハク酸
誘導体についても、上述したものの中から選定すること
が好ましい。本発明の潤滑油組成物においては、上記
（Ｄ）成分の配合割合は特に制限はないが、好ましくは
0.２〜１0.０重量％、より好ましくは0.２〜5.０重量％
である。
【００１６】上述したように本発明の潤滑油組成物は、
（Ａ）〜（Ｄ）成分を必須成分として含有するものであ
るが、さらに必要に応じて従来の潤滑油に使用されてい
る各種の添加剤を適量配合することができる。このよう
な添加剤としては、例えば極圧剤，防錆剤，清浄分散
剤，粘度指数向上剤，消泡剤，金属不活性化剤，油性
剤，酸化防止剤，耐摩耗添加剤等を挙げることができ
る。ここで極圧剤としては、リン酸トリクレジル（トリ
クレジルホスフェート）等のリン酸エステル化合物、硫
化オレフィン等の硫黄含有化合物、さらには亜鉛ジチオ
ホスフェート（ＺｎＤＴＰ），モリブデンジチオホスフ
ェート（ＭｏＤＴＰ），モリブデンジチオカーバメート
（ＭｏＤＴＣ）などがある。また、防錆剤としては、ア
ルケニルコハク酸エステル，スルホン酸のアルカリ（土
類）金属塩などがあり、清浄分散剤としては、スルホネ
ート類，フェネート類，サリチレート類，酸アミド類，
イミド類などが挙げられる。さらに、粘度指数向上剤と
しては、ポリメタクリレート（ＰＭＡ）あるいはエチレ
ン−プロピレン共重合体やスチレン−ジエン水素化共重
合体などのオレフィン系共重合体（ＯＣＰ）などがあ
り、消泡剤としては、シリコーン系やアルコール系など
の化合物があり、また金属不活性化剤としては、ベンゾ
トリアゾール，アルキルベンゾトリアゾールなどを挙げ
ることができる。
【００１７】
【実施例】次に、本発明を実施例及び比較例により、さ
らに詳しく説明する。
【００１８】実施例１〜７及び比較例１〜６ 第１表に示す組成の潤滑油組成物について、気相部酸化
安定性及び油相部酸化安定性を下記の方法により測定し
た。結果を第１表に示す。試験方法 ＪＩＳ Ｋ ２５４０の潤滑油熱安定度試験方法に準拠
した。具体的な操作としては、まず油量２０ｇを規定ガ
ラス容器に採り、触媒としてＪＩＳ Ｋ ２５１４の潤
滑油酸化安定度試験方法3.２項タービン油酸化安定度試
験方法に規定の銅線（φ1.６×１０ｃｍ）を油中に浸漬
し、アルミホイル（市販品をｎ−ヘキサンで洗浄したも
の使用）で蓋をした。次に、１７０℃に加熱して１２時
間毎に取り出し、気相部及び液相部を目視観察し、ワニ
ス状物質の付着及び油中不溶物質の析出が認められた時
間から気相部酸化安定性及び油相部酸化安定性を評価し
た。 気相部酸化安定性：（ｉ）ガラス容器の気相部にワニス
状物質の付着が認められた時間（気相部安定性（ｉ）） （ii）アルミホイルにワニス状物質の付着が認められた
時間（気相部安定性（ii）） 油相部酸化安定性：油中にスラッジ（不溶物質）の析出
が認められた時間評価 上記の三項目の安定性のうち、いずれか一項目でもワニ
ス状物質の付着あるいはスラッジの析出が認められる
と、その時間を評価時間とした。この時間が長い程、優
れた特性を有していると評価した。なお、目視観察は１
４４時間で打ち切った。
【００１９】
【表１】
【００２０】
【表１】
【００２１】
【化５】
【００２２】
【化６】
【００２３】
【発明の効果】以上のような成分よりなる本発明の潤滑
油組成物を用いると、油の気相部での熱劣化や酸化劣化
が抑制され、またＣＶＴ等の装置各部へのワニス状物質
の付着や油中スラッジの生成が効果的に抑制される。し
たがって、本発明の潤滑油組成物は、１２０℃以上の高
温環境下でミスト状になって潤滑される装置に好適に用
いられ、特にトラクション油（トラクションドライブ用
流体）やスクリュー式やロータリー式圧縮機の圧縮機油
等として有効に利用される。
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｃ１０Ｍ 139:00） Ｃ１０Ｎ 30:08 30:10 40:04 40:06 (72)発明者 町田 尚 神奈川県藤沢市大庭3503−13，Ｃ−29− 13 (56)参考文献 特開 平２−38493（ＪＰ，Ａ) 特開 昭62−10194（ＪＰ，Ａ) 特開 平３−39399（ＪＰ，Ａ) 特開 昭62−68894（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) C10M 141/12 C10M 129/76 C10M 133/12 - 133/56 C10M 139/00 C10N 30:08 C10N 30:10 C10N 40:04 C10N 40:06 ＥＰＡＴ（ＱＵＥＳＴＥＬ) ＷＰＩ／Ｌ（ＱＵＥＳＴＥＬ)

Claims (2)

    (57)【特許請求の範囲】
  1. 【請求項１】 （Ａ）鉱油及び／又は合成油からなる基
    油，（Ｂ）式 【化１】 （式中、ｍは１〜５の整数である。）で表されるヒンダ
    ードフェノール化合物０.2〜２.0重量％，（Ｃ）一般式 【化２】 （式中、Ｒ1 ，Ｒ2 ，Ｒ3 及びＲ4 は、それぞれ水素あ
    るいは炭素数１〜２０のアルキル基を示す。ただし、Ｒ
    1 〜Ｒ4 のうちの少なくとも一つはアルキル基であ
    る。）で表わされるアルキル化ジフェニルアミン化合物
    ０.2〜２.0重量％及び（Ｄ）ホウ素系コハク酸イミド化
    合物０.2〜１０.0重量％の割合で、かつ（Ｂ）ヒンダー
    ドフェノール化合物に対して（Ｃ）アルキル化ジフェニ
    ルアミン化合物を重量比で０.6〜１.6とするとともに、
    （Ｂ）ヒンダードフェノール化合物と（Ｃ）アルキル化
    ジフェニルアミン化合物の合計割合が１.0〜３.5重量％
    となるように配合してなるトラクションドライブ用流
    体。
  2. 【請求項２】 （Ａ）基油がナフテン系鉱油，ナフテン
    環含有合成油あるいはポリブテンである請求項１記載の
    トラクションドライブ用流体。
JP5083238A 1993-04-09 1993-04-09 潤滑油組成物 Expired - Lifetime JP2859077B2 (ja)

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JP5083238A JP2859077B2 (ja) 1993-04-09 1993-04-09 潤滑油組成物
EP94105343A EP0620267B1 (en) 1993-04-09 1994-04-07 Lubricating oil composition
DE69406705T DE69406705T2 (de) 1993-04-09 1994-04-07 Schmierölzusammensetzung
US08/225,314 US5460741A (en) 1993-04-09 1994-04-08 Lubricating oil composition
CA002120888A CA2120888C (en) 1993-04-09 1994-04-08 Lubricating oil composition

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JP3401348B2 (ja) * 1994-12-07 2003-04-28 新日本石油株式会社 潤滑油組成物
JP3401349B2 (ja) * 1994-12-07 2003-04-28 新日本石油株式会社 潤滑油組成物
WO1997004051A1 (en) * 1995-07-17 1997-02-06 Exxon Chemical Patents Inc. Power transmitting fluids with improved resistance to foaming
GB9516326D0 (en) * 1995-08-09 1995-10-11 Exxon Research Engineering Co Lubricant composition containing antioxidant additive combination
US6372696B1 (en) 1999-11-09 2002-04-16 The Lubrizol Corporation Traction fluid formulation
US6559105B2 (en) * 2000-04-03 2003-05-06 The Lubrizol Corporation Lubricant compositions containing ester-substituted hindered phenol antioxidants
GB0011189D0 (en) * 2000-05-10 2000-06-28 Great Lakes Chemical Europ Anti-oxidant additives
JP5000034B2 (ja) * 2000-07-24 2012-08-15 Ｊｘ日鉱日石エネルギー株式会社 回転ガス圧縮機用潤滑油組成物
US20030036485A1 (en) * 2001-07-18 2003-02-20 Sanborn Robert H. Motor oil fortifier
JP2005061457A (ja) * 2003-08-20 2005-03-10 Nissan Motor Co Ltd ころ軸受
JP2005290180A (ja) * 2004-03-31 2005-10-20 Nippon Oil Corp 潤滑油組成物
US7651559B2 (en) 2005-11-04 2010-01-26 Franklin Industrial Minerals Mineral composition
US7833339B2 (en) 2006-04-18 2010-11-16 Franklin Industrial Minerals Mineral filler composition
CN105579563A (zh) 2013-09-25 2016-05-11 出光兴产株式会社 牵引传动变速器用润滑油组合物
DE102018006661A1 (de) 2018-08-23 2020-02-27 Klüber Lubrication München Se & Co. Kg Schmiermittelzusammensetzung

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CA2120888C (en) 2003-08-19
US5460741A (en) 1995-10-24
JPH06293892A (ja) 1994-10-21
DE69406705D1 (de) 1997-12-18
EP0620267B1 (en) 1997-11-12
CA2120888A1 (en) 1994-10-10
DE69406705T2 (de) 1998-03-12

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