JP2964165B2 - 潤滑性グリース組成物 - Google Patents

潤滑性グリース組成物

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Publication number
JP2964165B2
JP2964165B2 JP3504602A JP50460291A JP2964165B2 JP 2964165 B2 JP2964165 B2 JP 2964165B2 JP 3504602 A JP3504602 A JP 3504602A JP 50460291 A JP50460291 A JP 50460291A JP 2964165 B2 JP2964165 B2 JP 2964165B2
Authority
JP
Japan
Prior art keywords
lithium
acid
grease composition
grease
lubricating grease
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 - Fee Related
Application number
JP3504602A
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English (en)
Other versions
JPH05504369A (ja
Inventor
マダー，ボルフガング
グルン，ゲオルグ
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.)
BORUFUGANKU FURANTSU EBERUHARUTO MADAA
GEORUKU GURYUUN
Original Assignee
BORUFUGANKU FURANTSU EBERUHARUTO MADAA
GEORUKU GURYUUN
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Filing date
Publication date
Application filed by BORUFUGANKU FURANTSU EBERUHARUTO MADAA, GEORUKU GURYUUN filed Critical BORUFUGANKU FURANTSU EBERUHARUTO MADAA
Publication of JPH05504369A publication Critical patent/JPH05504369A/ja
Application granted granted Critical
Publication of JP2964165B2 publication Critical patent/JP2964165B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • 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
    • C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
    • C10M101/02—Petroleum fractions
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    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/02—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
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    • C10M113/00—Lubricating compositions characterised by the thickening agent being an inorganic material
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    • C10M117/00—Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
    • C10M117/02—Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
    • C10M117/04—Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen containing hydroxy groups
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    • C10M117/06—Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having more than one carboxyl group bound to an acyclic carbon atom or cycloaliphatic carbon atom
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    • C10M117/08—Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to a carbon atom of a six-membered aromatic ring
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    • 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
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    • C10M133/12—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
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    • C10M135/12—Thio-acids; Thiocyanates; Derivatives thereof
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    • C10M135/18—Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
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    • C10M169/06—Mixtures of thickeners and additives
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
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  • Lubricants (AREA)

Description

【発明の詳細な説明】 本発明は、潤滑性グリース組成物に関し、より詳しく
はリチウム石ケンで増粘したグリース組成物に関する。
リチウム石ケングリースは周知であり、多数の自動車
用及び工業用用途、例えばベアリング、歯車及び軸継手
に用いられている。リチウム石ケングリース及び特にリ
チウム石ケンコンプレックス（complex）グリースは、
屡々高温の用途に好まれるが、このグリースは、約120
℃を越える温度では寿命が限られているという欠点があ
る。それは油がグリースから分離する（ブリード）傾向
があり、従ってグリースを頻繁に再施用する必要がある
からである。
本発明は、高温度で長時間の寿命を有するリチウムコ
ンプレックスグリースを提供する。より詳しくは、本発
明は、大部分の割合の潤滑用基油、増粘量のリチウム石
ケンコンプレックス及び有効量の、金属がモリブデン、
タングステン、バナジウム、ニオブ及びタンタルから選
ばれる有機金属化合物を含む潤滑用グリース組成物を提
供する。
本発明のグリースは、高温での寿命が大いに改善され
るという利点を持つ。この改善は、約120〜160℃で特に
明らかである。このグリースは他のリチウム石ケン含有
グリースに較べて油をブリードする傾向が低い。従っ
て、このグリースを用いることによって、グリースを施
用すべき機械部分の満足な潤滑を維持するに必要な再施
用の回数は、かなり減らしうる。ある場合には、機械部
分が密閉された容器中に入れられているときは、このグ
リースは「終身」の潤滑を与えうる。即ち、その機械部
分の寿命の間グリースは更新される必要はない。そのよ
うな施用の例としては、自動車のころがり軸受及び滑り
軸受がある。
グリース中に存在するリチウム石ケンコンプレックス
の量は、組成物全量基準にして、好ましくは２〜30重量
％、好ましくは５〜20重量％である。前記リチウムコン
プレックス石ケンはC12〜C24のヒドロキシ脂肪酸のリチ
ウム石ケン及び少なくとも１種の他のリチウム化合物を
含むのが好ましい。この他のリチウム化合物は、有利に
は、C2〜C12の脂肪族ジカルボン酸のリチウム石ケンも
しくはホウ酸のリチウム塩、又はこれらの混合物であ
る。
より好ましくは、前記ヒドロキシ脂肪酸のリチウム石
ケンはC16〜C20のヒドロキシ脂肪酸である。特に好まし
いヒドロキシ脂肪酸は、ヒドロキシステアリン酸、例え
ば９−ヒドロキシ−、10−ヒドロキシ−、又は12−ヒド
ロキシステアリン酸、更に好ましくは後者、である。12
−ヒドロキシステアリン酸の不飽和形で、二重結合を９
−10位に有するリシノール酸も用いうる。他の適当なヒ
ドロキシ脂肪酸としては、12−ヒドロキシベンゼン酸及
び10−ヒドロキシパルミチン酸がある。
他のリチウム含有化合物が脂肪族ジカルボン酸である
場合は、用いられるヒドロキシ脂肪酸に対するジカルボ
ン酸の比は、重量比にして、ヒドロキシ脂肪酸１部あた
り、一般に、0.05部と１部の間、通常、0.1部と0.8部の
間である。前記ジカルボン酸は、好ましくはC4〜C
12の、より好ましくはC6〜C10の脂肪族ジカルボン酸で
ある。適当な酸の例としては、蓚酸、マロン酸、コハク
酸、グルタル酸、アジピン酸、スベリン酸、ピメリン
酸、アゼライン酸、ドデカンジオン酸（dodecanedionic
acid）及びセバシン酸がある。アゼライン酸及びセバシ
ン酸が特に好ましい。
他のリチウム含有化合物がホウ酸のリチウム塩である
ときは、用いられるホウ酸に対するヒドロキシ脂肪酸の
割合は、一般に、重量比にして、ホウ酸１部に対してヒ
ドロキシ脂肪酸３〜100部、通常５〜80部である。
このリチウム石ケンコンプレックスは、第２のヒドロ
キシカルボン酸をも含みうる。これは、一般に炭素原子
数３〜14であり、カルボキシル基から離れること６炭素
以下の原子に付いた−OH基を有する。この酸は、例えば
乳酸、６−ヒドロキシデカン酸、３−ヒドロキシ酪酸、
１−ヒドロキシカプロン酸、４−ヒドロキシ酪酸、６−
ヒドロキシ−α−ヒドロキシステアリン酸等、又は芳香
族酸、例えばｐ−ヒドロキシ−安息香酸、サリチル酸、
２−ヒドロキシ−４−ヘキシル安息香酸、ｍ−ヒドロキ
シ安息香酸、2,5−ジヒドロキシ安息香酸（ゲンチシン
酸）、2,6−ジヒドロキシ安息香酸（γ−レゾルシン
酸）、４−ヒドロキシ−４−メトキシ安息香酸等、又は
ヒドロキシ芳香族脂肪族酸、例えばｏ−ヒドロキシフェ
ニル酢酸、ｍ−ヒドロキシフェニル酢酸、もしくは、ｐ
−ヒドロキシフェニル酢酸である。脂環式ヒドロキシ
酸、例えばヒドロキシシクロペンチルカルボン酸又はヒ
ドロキシナフテン酸も用いえよう。特に有用なヒドロキ
シ酸は、乳酸、サリチル酸及びｐ−ヒドロキシ安息香酸
である。
これらフリーの酸に代えて、上記第２のヒドロキシカ
ルボン酸の低級アルキルエステル、通常はC1〜C4エステ
ルを用いうる。不溶性塩のエステル助剤分散液としてホ
ウ酸が用いられるときは、これは特に有利である。好ま
しいエステルの例として、サリチル酸メチルがある。グ
リース組成物中に第２のヒドロキシカルボン酸が用いら
れるときは、その割合は、重量比にして、前記他のリチ
ウム含有化合物の酸成分、例えばホウ酸１部あたり、第
２ヒドロキシカルボン酸が一般に0.1〜10部、通常は0.5
〜５部である。
前記有機金属化合物の金属は、好ましくは、モリブデ
ンである。この化合物の有機成分は、好ましくは、チオ
カルバメート又はキサンテートである。従って好ましい
有機金属化合物はチオカルバミン酸モリブデン化合物類
及びキサントゲン酸モリブデン化合物類である。ジアル
キルジチオカルバミン酸モリブデン及びジアルキルジチ
オカルバミン酸モリブデン酸化硫化物（oxysulfide）。
グリース組成物中に存在する有機金属化合物の好まし
い量は、組成物の全重量基準で0.1〜10重量％であり、
より好ましくは0.5〜５重量％である。この有機金属化
合物は耐摩耗性添加剤として働き、グリースの高温寿命
を長くする。
好ましい態様においては、本発明のグリースは、酸化
防止剤も含んでいてもよく、これは組成物全重量を基準
にして0.1〜５重量％、好ましくは0.5〜３重量％で存在
する。用いられる酸化防止剤は、好ましくは、アミンベ
ースの酸化防止剤化合物で、例えばアルキルジフェニル
アミンである。
このグリース組成物に用いられる潤滑用基油は、一般
に用いられている潤滑油の基油のいずれでもよく、好ま
しくは、鉱油又は鉱油と合成油の配合物である。一般に
これらの潤滑油は210゜Fで35〜300SUSの範囲内の或る粘
度、及び30〜170、好ましくは、30〜140の範囲内の或る
粘度指数を持つ。このグリースを調製するのに用いられ
る鉱物性潤滑油ベースストック（base stock）として
は、ポラフィン性基原油（base crude）、ナフテン性
基原油及び混合基原油から誘導される一般的に精製され
たベースストックのいずれであってもよい。用いうる合
成潤滑用油としては、二塩基酸のエステル、例えばセバ
シン酸ジ−２−エチルヘキシル、グリコールのエステル
例えばテトラエチレングリコールのC13オキソ酸ジエス
テル、又は複合エステル、例えば１モルのセバシン酸及
び２モルのテトラエチレングリコール及び２モルの２−
エチルヘキサン酸から形成されるものが例示できる。用
いうる他の合成油としては、合成炭化水素、例えばアル
キルベンゼン、例えばベンゼンをテトラプロピレンでア
ルキル化して得られるアルキレートボトム（bottom）、
又はα−オレフィンのポリマー又はコポリマー；シリコ
ーン油、例えばエチルフェニルポリシロキサン、メチル
ポリシロキサン等；ポリグリコールオイル、例えばブチ
ルアルコールをプロピレンオキサイドで縮合して得られ
るもの；カーボネートエステル、例えばC8オキソアルコ
ールをエチルカーボネートと反応させて半エステルを形
成した後この半エステルをテトラエチレングリコールと
反応させて得られる製品等を含む。他の適当な合成油と
しては、ポリフェニルエーテル、例えば約３〜７エーテ
ル結合及び約４〜８のフェニル基を有するもの（米国特
許No.3,424,678、カラム３を参照のこと）がある。
本発明のグリースは、高温での寿命が長いという利点
に加えてリチウムコンプレックスグリースに付随する通
常の利点も保持するという長所をも持つ。
以下の例によって本発明を説明する。これらの例の全
グリースは、NLGIグレード２のコンシステンシーとなる
ように作った。即ち、全グリースは、ASTM法D217又はD2
665で測定して、25℃での60往復混和ちょう度が265〜29
5である。
例１〜４ 例１〜３は、ヒドロキシ脂肪酸のリチウム石ケン及び
脂肪族ビスカルボン酸のリチウム石ケンを含むリチウム
コンプレックスをベースにした本発明のグリース組成物
を例示する。例４は、同じリチウム石ケンコンプレック
スを用いる比較例である。
例１〜４の試験結果は表１にまとめて示す。
例１ リチウムコンプレックスグリースを、次の成分と配合
した： 成分 Wt％ パラフィン基油 80.5 （V40＝150mm2/s、VI＝91）１ 水酸化リチウム一水塩 2.5 12−ヒドロキシステアリン酸 11.0 アゼライン酸 2.0 ジアルキルジチオカルバミン酸 モリブデン酸化硫化物２ 2.5 アルキルジフェニルアミン３ 1.5 （１）V40＝40℃での粘度、VI＝粘度指数 （２）アサヒ電化工業（株）からSakuralube 600とし
て供給された。
（３）チバ−ガイギー社からIrganox L57として供給さ
れた。
前記基油成分及びリチウム石ケンコンプレックス成分
は英国特許No.1,384,904の例１に述べられたようにして
配合した。次いでこのグリースにジアルキルジチオカル
バミン酸モリブデン酸化硫化物（molybudenum oxysulph
ide dialkyldithiocarbamate）（MDDC）及びアルキルジ
フェニルアミン添加剤を加え、このグリースを通常のグ
リースミルを用いて粉砕した。
このグリースの高温での寿命は、標準試験DIN 51821
T2A/1500/6000に従って測定した。この試験において
は、５つのベアリングが１セットになったものを、特定
の温度、荷重及び速度の条件の下で運転する。潤滑飢餓
のために、必要な駆動運動量が高くなり過ぎると、同期
発電機は、自動的に運転停止する。こうして５つの潤滑
油の寿命が得られ、次のデータが計算される： F10:これは、その後にベアリングの最初の10％が潤滑飢
餓を起こす時間を表わす。
F50:これは、その後にベアリングの50％が潤滑飢餓を起
こす時間を表わす。
ある与えられた温度でF50の値が少なくとも100時間で
あるグリースは、その温度での終身の潤滑剤とみなされ
る。
試験の結果を以下の第１表に示す。
例２ 用いたMDDCがVanderbilt Company Inc.からMolyvan A
として供給されたことを除いて、例１と同様にしてグリ
ース組成物を配合した。
このグリースを例１に述べたのと同様にして試験し
た。その結果を以下の第１表に示す。
例３ アルキルジフェニルアミンを除き、MDDCの量を３重量
％に増した他は、例１と同様にしてグリース組成物を配
合した。基油の量を81.5重量％に増すことによりバラン
スをとった。
このグリースを例１に述べたようにして試験した。そ
の結果を以下の第１表に示す。
例４ 例１〜３のグリースを従来のリチウムコンプレックス
石ケングリースと比較した。このグリースは、上記例と
同じ基油及びリチウムコンプレックスを含んでいたが、
モリブデン化合物もアルキルジフェニルアミンも含んで
いなかった。
この比較用グリースを例１に述べたようにして試験し
た。その結果を以下の第１表に示す。
本発明のグリース組成物は、同じ基油及びリチウムコ
ンプレックスを用いる比較グリースよりも大巾に長い寿
命を持つことを、この結果は示している。例えば、140
℃で、グリース１は比較グリース４の５倍以上の寿命を
持っている。
例５及び６ これらの２つの例は、ヒドロキシ脂肪酸のリチウム石
ケン及びホウ酸のリチウム塩を含むリチウムコンプレッ
クスに基づく本発明のグリースを明示し、かつこのグリ
ースを、同じリチウム石ケンコンプレックスを含む従来
のグリースと比較する。その結果をまとめて第２表に示
す。
例５ 次の成分を用いてグリース組成物を配合した： 成分 Wt％ パラフィン基油 78.3％ （V40＝110mm2/s、VI＝95）１ 水酸化リチウム一水和物 3.5 12−ヒドロキシステアリン酸 11.0 ホウ酸 0.9 サリチル酸メチル 2.3 MDDC2 2.5 アルキルジフェニルアミン３ 1.5 （１）V40＝40℃での粘度、VI＝粘度指数 （２）アサヒ電化工業（株）からSakuralube 600とし
て供給された。
（３）チバ−ガイギー社からIrganox L57として供給さ
れた。
前記基油成分及びリチウム石ケンコンプレックス成分
を米国特許No.3,758,497の例２に述べられたようにして
配合した。次いでMDDC及びアルキルジフェニルアミン添
加剤を加え、このグリースを通常のグリースミルを用い
て粉砕した。
このグリースを例１に述べられたようにして試験し
た。その結果を、以下の第２表に示す。
例６ 比較のためにMDDC及びアルキルジフェニルアミンを除
いた他は、例５のグリースと同じリチウム石ケンコンプ
レックスを含む通常のリチウムコンプレックスグリース
を、例１に述べたようにして試験した。その結果を以下
の第２表に示す。
これらの結果は、160℃でのF10寿命は約60時間で互い
に匹敵するが、グリース５、即ち本発明のグリースのF
50寿命は、比較グリース６のF50寿命よりも1.7倍大き
い。
例７ 前記パラフィン基油を、全グリース組成物を基準にし
て28.5重量％のポリ−α−オレフィン（V40＝48mm2/s、
V100＝7.9mm2/s）及び全グリース組成物を基準にして50
重量％のパラフィン基油（V40＝100mm2/s、V100＝12mm2
/s）の基油配合物で置き換える他は例２と同様にしてグ
リース組成物を配合した。前記の配合した基油は次の粘
度を示した： V40＝80mm2/s、V100＝10.3mm2/s、VI＝111。
このグリースを160℃で例１に述べたのと同様にして
試験した。F10の結果は101時間であり、F50の結果は134
時間であった。従ってこのグリースを高温度で長い寿命
を示した。
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｃ１０Ｍ 135/18 Ｃ１０Ｍ 135/18 // Ｃ１０Ｎ 10:02 30:08 40:02 40:04 50:10 (72)発明者 グルン，ゲオルグ ドイツ連邦共和国，デー―5357 スビシ ュトタール，ミューレンベルク 19 (56)参考文献 特開 平３−131692（ＪＰ，Ａ) 特開 昭61−83295（ＪＰ，Ａ) 特開 昭57−172996（ＪＰ，Ａ) 特開 昭62−207397（ＪＰ，Ａ) 特開 昭59−11397（ＪＰ，Ａ) 特公 昭49−6362（ＪＰ，Ｂ１) (58)調査した分野(Int.Cl.6，ＤＢ名) C10M 169/06 C10M 113/08 C10M 117/04 C10M 133/12 C10M 135/18,135/14

Claims (9)

    (57)【特許請求の範囲】
  1. 【請求項１】（ｉ）大部分の割合の潤滑用基油、（ii）
    ２〜30重量％のリチウムコンプレックス増粘剤、（ii
    i）モリブデン、タングステン、バナジウム、ニオブ及
    びタンタルから選ばれる金属を含む0.1〜10重量％のチ
    オカルバミン酸塩又はキサントンゲン酸塩、並びに（i
    v）0.1〜５重量％のアミン酸化防止性化合物を含み（但
    し、重量％は全重量基準とする）、前記リチウムコンプ
    レックス増粘剤がC12〜C24のヒドロキシ脂肪酸のリチウ
    ム石ケン及び少なくとも１つの他のリチウム含有化合物
    を含んでいる、潤滑用グリース組成物。
  2. 【請求項２】前記チオカルバミン酸塩又はキサントンゲ
    ン酸塩の金属がモリブデンである、請求項１に記載の潤
    滑用グリース組成物。
  3. 【請求項３】成分（iii）がジアルキルジチオカルバミ
    ン酸モリブデン又はジアルキルジチオカルバミン酸モリ
    ブデン酸化硫化物である、請求項１又は２に記載の潤滑
    用グリース組成物。
  4. 【請求項４】0.1〜３重量％の成分（iv）を含む、請求
    項１〜３のいずれか１つに記載の潤滑用グリース組成
    物。
  5. 【請求項５】前記酸化防止剤がアルキルジフェニルアミ
    ンである、請求項１〜４のいずれか１つに記載の潤滑用
    グリース組成物。
  6. 【請求項６】前記他のリチウム含有化合物がC2〜C12の
    脂肪ジカルボン酸のリチウム石ケンである、請求項１〜
    ５のいずれか１つに記載の潤滑用グリース組成物。
  7. 【請求項７】前記他のリチウム含有化合物がホウ酸のリ
    チウム塩である、請求項１〜５のいずれか１つに記載の
    潤滑用グリース組成物。
  8. 【請求項８】前記リチウム石ケンコンプレックスが、カ
    ルボキシル基から離れること６炭素以下に−OH基を有す
    るC3〜C14のヒドロキシカルボン酸のリチウム石ケンも
    含む、請求項１〜７のいずれか１つに記載の潤滑用グリ
    ース組成物。
  9. 【請求項９】前記基油が鉱油又は鉱油と合成油との混合
    物である、請求項１〜８のいずれか１つに記載の潤滑用
    グリース組成物。
JP3504602A 1990-03-07 1991-03-05 潤滑性グリース組成物 Expired - Fee Related JP2964165B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9005104.6 1990-03-07
GB9005104A GB2241707A (en) 1990-03-07 1990-03-07 Lubricating grease composition

Publications (2)

Publication Number Publication Date
JPH05504369A JPH05504369A (ja) 1993-07-08
JP2964165B2 true JP2964165B2 (ja) 1999-10-18

Family

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JP (1) JP2964165B2 (ja)
CA (1) CA2077555A1 (ja)
DE (1) DE69101376T2 (ja)
GB (1) GB2241707A (ja)
WO (1) WO1991013955A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9223945D0 (en) * 1992-11-14 1993-01-06 Gkn Technology Ltd Greases
JP3608805B2 (ja) * 1993-04-30 2005-01-12 東燃ゼネラル石油株式会社 潤滑油組成物
WO1995007963A1 (en) * 1993-09-13 1995-03-23 Exxon Chemical Patents Inc. Mixed antioxidant composition
JP2001187891A (ja) * 1995-04-21 2001-07-10 Hitachi Ltd 潤滑油組成物及び潤滑グリース組成物
JP3370829B2 (ja) * 1995-04-21 2003-01-27 株式会社日立製作所 潤滑グリース組成物
EP1136545A3 (en) * 2000-03-21 2001-11-14 Nsk Ltd Lubricating grease composition and rolling apparatus comprising same
JP2001335792A (ja) * 2000-03-21 2001-12-04 Nsk Ltd 潤滑グリース組成物及びそれを用いた転がり軸受、転動装置
CN101200670B (zh) * 2006-12-12 2010-05-19 中国石油天然气集团公司 一种复合锂基润滑脂及其制备方法
CN101880582A (zh) * 2010-06-29 2010-11-10 濮阳市航天化工有限公司 高温润滑脂及其制备方法
CN101880581A (zh) * 2010-06-29 2010-11-10 濮阳市航天化工有限公司 通用锂基润滑脂及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB973580A (en) * 1962-02-01 1964-10-28 Leybold Anlagen Holding Ag A parting compound for plastics moulding in moulds
US3356702A (en) * 1964-08-07 1967-12-05 Vanderbilt Co R T Molybdenum oxysulfide dithiocarbamates and processes for their preparation
US3248325A (en) * 1964-08-21 1966-04-26 Phillips Petroleum Co Lubricating composition
NZ213008A (en) * 1984-08-22 1989-04-26 Mobil Oil Corp Grease compositions containing diol/boron compound reaction products
US4749502A (en) * 1986-07-14 1988-06-07 Exxon Research And Engineering Company Grease composition
DE3712133A1 (de) * 1987-04-10 1988-10-20 Siwa Gmbh Schmiermittel bzw. schmiermittelkonzentrat
GB2215346B (en) * 1988-03-09 1991-09-04 Exxon Research Engineering Co Lubricating grease
US4897210A (en) * 1988-07-12 1990-01-30 Pennzoil Products Company Lithium complex grease thickener and high dropping point thickened grease
US4908142A (en) * 1988-10-21 1990-03-13 Union Oil Company Of California Extreme pressure lubricating compositions and method of using same

Also Published As

Publication number Publication date
EP0523064A1 (en) 1993-01-20
GB2241707A (en) 1991-09-11
EP0523064B1 (en) 1994-03-09
WO1991013955A1 (en) 1991-09-19
DE69101376T2 (de) 1994-07-07
DE69101376D1 (de) 1994-04-14
CA2077555A1 (en) 1991-09-08
JPH05504369A (ja) 1993-07-08
GB9005104D0 (en) 1990-05-02

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