JP2016089177A - 改善された材料適合性を有する動力伝達液 - Google Patents
改善された材料適合性を有する動力伝達液 Download PDFInfo
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- JP2016089177A JP2016089177A JP2015216336A JP2015216336A JP2016089177A JP 2016089177 A JP2016089177 A JP 2016089177A JP 2015216336 A JP2015216336 A JP 2015216336A JP 2015216336 A JP2015216336 A JP 2015216336A JP 2016089177 A JP2016089177 A JP 2016089177A
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- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 4
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- 229960003629 potassium salicylate Drugs 0.000 description 1
- DPLVEEXVKBWGHE-UHFFFAOYSA-N potassium sulfide Chemical compound [S-2].[K+].[K+] DPLVEEXVKBWGHE-UHFFFAOYSA-N 0.000 description 1
- PDEDQSAFHNADLV-UHFFFAOYSA-M potassium;disodium;dinitrate;nitrite Chemical compound [Na+].[Na+].[K+].[O-]N=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PDEDQSAFHNADLV-UHFFFAOYSA-M 0.000 description 1
- ZGJADVGJIVEEGF-UHFFFAOYSA-M potassium;phenoxide Chemical compound [K+].[O-]C1=CC=CC=C1 ZGJADVGJIVEEGF-UHFFFAOYSA-M 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Chemical class COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical class C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 229940116351 sebacate Drugs 0.000 description 1
- CXMXRPHRNRROMY-UHFFFAOYSA-L sebacate(2-) Chemical compound [O-]C(=O)CCCCCCCCC([O-])=O CXMXRPHRNRROMY-UHFFFAOYSA-L 0.000 description 1
- 239000003079 shale oil Substances 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- NESLWCLHZZISNB-UHFFFAOYSA-M sodium phenolate Chemical compound [Na+].[O-]C1=CC=CC=C1 NESLWCLHZZISNB-UHFFFAOYSA-M 0.000 description 1
- 229960004025 sodium salicylate Drugs 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 229960002317 succinimide Drugs 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical class O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000011275 tar sand Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- JZALLXAUNPOCEU-UHFFFAOYSA-N tetradecylbenzene Chemical compound CCCCCCCCCCCCCCC1=CC=CC=C1 JZALLXAUNPOCEU-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- MQHSFMJHURNQIE-UHFFFAOYSA-N tetrakis(2-ethylhexyl) silicate Chemical compound CCCCC(CC)CO[Si](OCC(CC)CCCC)(OCC(CC)CCCC)OCC(CC)CCCC MQHSFMJHURNQIE-UHFFFAOYSA-N 0.000 description 1
- ZUEKXCXHTXJYAR-UHFFFAOYSA-N tetrapropan-2-yl silicate Chemical compound CC(C)O[Si](OC(C)C)(OC(C)C)OC(C)C ZUEKXCXHTXJYAR-UHFFFAOYSA-N 0.000 description 1
- 150000003536 tetrazoles Chemical class 0.000 description 1
- 150000007970 thio esters Chemical class 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 229930192474 thiophene Chemical class 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- XTTGYFREQJCEML-UHFFFAOYSA-N tributyl phosphite Chemical compound CCCCOP(OCCCC)OCCCC XTTGYFREQJCEML-UHFFFAOYSA-N 0.000 description 1
- IVIIAEVMQHEPAY-UHFFFAOYSA-N tridodecyl phosphite Chemical compound CCCCCCCCCCCCOP(OCCCCCCCCCCCC)OCCCCCCCCCCCC IVIIAEVMQHEPAY-UHFFFAOYSA-N 0.000 description 1
- PQRRMYYPKMKSNF-UHFFFAOYSA-N tris(4-methylpentan-2-yl) tris(4-methylpentan-2-yloxy)silyl silicate Chemical compound CC(C)CC(C)O[Si](OC(C)CC(C)C)(OC(C)CC(C)C)O[Si](OC(C)CC(C)C)(OC(C)CC(C)C)OC(C)CC(C)C PQRRMYYPKMKSNF-UHFFFAOYSA-N 0.000 description 1
- JZNDMMGBXUYFNQ-UHFFFAOYSA-N tris(dodecylsulfanyl)phosphane Chemical compound CCCCCCCCCCCCSP(SCCCCCCCCCCCC)SCCCCCCCCCCCC JZNDMMGBXUYFNQ-UHFFFAOYSA-N 0.000 description 1
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
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Abstract
Description
さらに、現代の変速機においては、トランスミッション液は、しばしば銅含有部品(arts)に曝露される。これらの部品は、ブッシュのような機械部品であり得る、又はそれらは、サーボモータ及びソレノイドのような電気部品であり得る、又はそれらは、回路基板であり得る。すべての場合に、潤滑油は、これらの部品と適合性がなければならず、銅の腐食又は溶解を引き起こしてはならない。本発明で用いる摩擦調整剤は、窒素含有部分に基づく類似の摩擦調整剤より良好な銅適合性を備えている。
両方の好ましい実施形態について、好ましくはQ又は各Qは、エチレン基(−CH2−CH2−)である。
両方の好ましい実施形態について、好ましくはR1及びR2は、アルキル基であり、より好ましくは、それらは、同じである。好ましくは、R1及びR2は、両方が8〜20個の炭素原子を有する直鎖状又は分枝、飽和又は不飽和のアルキル基である。
好ましい摩擦調整剤は、オレイン酸、ステアリン酸、ヘキサデカン酸、イソステアリン酸及びラウリン酸などの長鎖カルボン酸をポリアルキレン、好ましくはポリエチレングリコール(PEG)と反応させることにより好都合に製造される。200〜800、最も好ましくは約400の分子量を有するPEGが好ましい。或いは、ポリアルコキシル化アルキルアミンをPEGの代わりに用いることができる。適切な材料は、Alzo Nobel社から入手できる商品名「ETHOMEEN(登録商標)」のもとに販売されているものを含む。好ましいポリアルコキシル化アルキルアミンは、12〜20個の炭素原子の炭化水素基を有し、窒素原子1個当たり2〜12molのアルキレンオキシド、好ましくはエチレンオキシドと反応させたアミンから製造されたものである。
無灰分散剤(c)として適するものは、ヒドロカルビルスクシンイミド、ヒドロカルビルスクシンアミド、ヒドロカルビル置換コハク酸の混合エステル/アミド、ヒドロカルビル置換コハク酸のヒドロキシエステル並びにヒドロカルビル置換フェノール、ホルムアルデヒド及びポリアミンのマンニッヒ縮合生成物である。さらに適するものは、ポリアミン及びヒドロカルビル置換フェニル酸の縮合生成物である。これらの分散剤の混合物もまた用いられ得る。
特に好ましい無灰分散剤は、無水コハク酸ポリイソブテニルとトリエチレンテトラミン又はテトラエチレンペンタミンなどのポリアルキレンポリアミンとから生成したポリイソブテニルスクシンイミドである。ポリイソブテニル基は、ポリイソブテンに由来し、好ましくは1500〜5000、例えば、1800〜3000の範囲の数平均分子量(Mn)を有する。当技術分野で公知のように、分散剤は、後処理することができる(例えば、ホウ素化剤又はリンの無機酸により)。適切な例は、米国特許第3,254,025号、米国特許第3,502,677号及び米国特許第4,857,214号に示されている。
米国特許第2,719,125号、米国特許第2,719,126号及び第3,087,937号は、様々な2,5−ビス−(炭化水素ジチオ)−1,3,4−チアジアゾールの製造を記載している。炭化水素基は、環式、脂環式、アラルキル、アリール及びアルカリルを含む、脂肪族又は芳香族であり得る。
R’SH
式中、R’は、1〜約250個の炭素原子を含むドロカルビル基である。酸化的カップリングを促進するために過酸化物、次亜ハロゲン酸塩(hypohalide)若しくは空気又はそれらの混合物を用いることができる。モノメルカプタンの特定の例は、例えば、メチルメルカプタン、イソプロピルメルカプタン、ヘキシルメルカプタン、オクチルメルカプタン、デシルメルカプタン及び長鎖アルキルメルカプタンを含む。
腐食防止剤は、有効量で用いることができるが、それらは、一般的に液の質量に対して約0.001〜5.0質量%、好ましくは0.005〜3.0質量%、最も好ましくは0.01〜1.0質量%の量で用いる。
好ましい実施形態において、本発明の動力伝達液は、1つ又は複数の金属含有洗剤をさらに含む。これらは、当技術分野で周知であり、アルカリ又はアルカリ土類金属と1つ又は複数の以下の酸性物質(又はそれらの混合物)との油溶性中性又は過塩基性塩により例示される。(1)スルホン酸、(2)カルボン酸、(3)サリチル酸、(4)アルキルフェノール、(5)硫化アルキルフェノール。費用対効果、毒性学及び環境の観点からのそのような酸の好ましい塩は、ナトリウム、カリウム、リチウム、カルシウム及びマグネシウムの塩である。
金属洗剤に関連する「過塩基性」という用語は、金属が有機基より化学量論的に多量に存在する金属塩を表すために用いられる。過塩基性塩を製造するために一般に用いられる方法は、酸の鉱油溶液を金属酸化物、水酸化物、炭酸塩、重炭酸塩又は硫化物などの化学量論的に過剰な金属中和剤とともに約50℃の温度で加熱し、得られた生成物をろ過することを含む。さらに大過剰の金属の組み入れを促進するための中和ステップにおける「プロモーター」の使用は、公知である。プロモーターとして有用な化合物の例は、フェノール、ナフトール、アルキルフェノール、チオフェノール、硫化アルキルフェノールなどのフェノール系物質及びホルムアルデヒドとフェノール系物質との縮合生成物;メタノール、2−プロパノール、オクタノール、セロソルブアルコール、カルビトールアルコール、エチレングリコール、ステアリルアルコール及びシクロヘキシルアルコールなどのアルコール;並びにアニリン、フェニレンジアミン、フェノチアジン、フェニル−ベータ−ナフチルアミン及びドデシルアミンなどのアミンを含む。塩基性塩を製造するための特に有効な方法は、酸を過剰の塩基性アルカリ土類金属中和剤及び少なくとも1つのアルコールプロモーターと混合し、60〜200℃のような高温で混合物を炭酸化することを含む。
まとめると、上文で述べた種々の金属洗剤は、時には、単に中性、塩基性又は過塩基性アルカリ金属又はアルカリ土類金属含有有機酸塩と呼ばれている。
本発明で用いる金属含有洗剤は、所望の場合、油溶性ホウ素化中性及び/又は過塩基化アルカリ又はアルカリ土類金属含有洗剤であり得る。ホウ素化金属洗剤を製造する方法は、当業者に周知であり、特許文献に広範に報告されている。
本発明用の好ましい金属洗剤は、過塩基化硫化カルシウムフェネート、過塩基化スルホン酸カルシウム及び過塩基化サリチル酸カルシウムである。
当技術分野で公知の他の添加剤を本発明の動力伝達液に加えることができる。これらは、他の摩耗防止剤、極圧添加剤、酸化防止剤、粘度調整剤などを含む。それらは、一般的に例えば、C. V. Smallheer and R. Kennedy Smith, 1967, pp1-11による”Lubricant Additives”及び米国特許第5,105,571号に開示されている。
化合物(a)、(b)及び(c)は、他の所望の添加剤と一緒に混ぜ合わせて、濃縮物を形成することができる。一般的に濃縮物の有効成分(a.i.)レベルは、濃縮物の20〜90質量%、好ましくは25〜80質量%、例えば、35〜75質量%の範囲にある。濃縮物の残余は、希釈剤である。潤滑油又は適合溶媒が適切な希釈剤を構成する。
天然潤滑油は、動物油、植物油(例えば、ヒマシ油及びラード油)、石油、鉱油及び石炭又は頁岩に由来する油を含む。好ましい天然潤滑油は、鉱油である。
合成潤滑油は、オリゴマー化、重合及び共重合(interpolymerized)オレフィン[例えば、ポリブチレン、ポリプロピレン、プロピレン、イソブチレンコポリマー、塩素化ポリラクテン(polylactenes)、ポリ(1−ヘキセン)、ポリ(1−オクテン)、ポリ(1−デセン)等及びそれらの混合物];アルキルベンゼン[例えば、ドデシルベンゼン、テトラデシルベンゼン、ジノニルベンゼン、ジ(2−エチルヘキシル)ベンゼン等];ポリフェニル[例えば、ビフェニル、テルフェニル、アルキル化ポリフェニル等];及びアルキル化ジフェニルエーテル、アルキル化ジフェニルスルフィド並びにそれらの誘導体、類似体及びその同族体などのような炭化水素油及びハロ置換炭化水素油を含む。このクラスの合成油の好ましい油は、α−オレフィンのオリゴマー、特に1−デセンのオリゴマーである。
合成潤滑油として有用なエステルは、ネオペンチルグリコール、トリメチロールプロパンペンタエリスリトール、ジペンタエリスリトール、トリペンタエリスリトール等のようなC5〜C12モノカルボン酸及びポリオール及びポリオールエーテルから製造されるものも含む。
潤滑油は、天然及び合成潤滑油の混合物(すなわち、部分的に合成)である場合、部分合成油成分の選択は広く変化し得るが、特に有用な配合物は、鉱油及びポリ−α−オレフィン(PAO)、特に、1−デセンのオリゴマーからなる。
好ましい実施形態において、動力伝達液は、オートマチックトランスミッション液、連続可変伝達液又はデュアルクラッチ式トランスミッション用液である。本発明の液は、ギア油、作動液、工業油、パワーステアリング液、ポンプ油、トラクター液又は同様のものとしての用途もあり得る。
第3の態様によれば、本発明は、改善された銅腐食適合性を有する動力伝達液を調合する方法を提供し、方法は、過半量の潤滑油を第1の態様に関して定義した少量の添加剤組成物と混ぜ合わせることを含む。
他の態様において、本発明は、動力伝達液のフルオロエラストマーシール適合性及び/又は銅腐食適合性を改善するための第1の態様に関して定義した添加剤組成物の使用を提供する。
フルオロエラストマーシール適合性の改善を判定する方法は、当業者に公知である。例えば、車両変速機用のシールを製造するために一般的に用いられるフルオロエラストマー材料の試料を使用中条件を模倣するための長期間にわたる高温度での試験のもとで液に浸漬することができる。次いで、試料を機械的試験及び/又は物理的測定に供し、他の液に曝露した又はしなかった(対照試料)試料と比較することができる。フルオロエラストマーシール適合性の向上は、例えば、対照試料と比較して引張強度の増加、破断点伸びの増加又は体積変化(膨潤)の減少の1つ又は複数の事項によって証明することができる。
本発明は、非限定的な実施例のみにより説明するものとする。
摩擦調整剤の製造
オーバーヘッド撹拌機及び冷却器付きDean Starkトラップを取り付けた2リットルフラスコにイソステアリン酸(2mol、568g)及び分子量が400のポリエチレングリコール「Dow Carbowax 400」(1mol、400g)及び0.2gのエステル化触媒(p−トルエンスルホン酸)を入れる。次いで、混合物の温度を窒素スイープ下で190〜200℃に上昇させ、約10時間維持し、この時間中に約2mol(約35g)の水が放出された。次いで、混合物を冷却して、生成物を得た。
摩擦調整剤の製造
イソステアリン酸の代わりにオレイン酸(2mol、568g)を用いて実施例FM−1を反復した。
(実施例FM−3)
摩擦調整剤の製造
ポリエチレングリコールの代わりにAkzo Nobel社から入手できるETHOMEEN(登録商標)C−15(約1mol、425g)を用いて実施例FM−1を反復した。得られた生成物は、2.82質量%の窒素含量を有していた。
(実施例FM−4)
摩擦調整剤の製造
ポリエチレングリコールの代わりにAkzo Nobel社から入手できるETHOMEEN(登録商標)C−15(約1mol、425g)を用いて実施例FM−2を反復した。得られた生成物は、2.89質量%の窒素含量を有していた。
摩擦調整剤の製造
テトラエチレンペンタミン(1mol、189g)及びイソステアリン酸(3.1mol、792g)を用いて実施例FM−1の手順を反復した。反応中に約3molの水が放出され、最終生成物は、6.4質量%の窒素含量を有していた。CFM−1は、オートマチックトランスミッション液に用いられる一般的な種類の市販の摩擦調整剤の例である。
(比較例CFM−2)
摩擦調整剤の製造
機械的撹拌機、窒素スイープ、Dean Starkトラップ及び冷却器を取り付けた1リットル丸底フラスコ中にイソオクタデセニルコハク酸無水物(1mol、352g)を入れた。緩やかな窒素スイープ下で、物質を撹拌し、130℃に加熱した。直ちに、テトラエチレンペンタミン(0.46mol、87g)を浸漬管を介して徐々に加えた。混合物の温度を150℃に上昇させ、それを2時間保持した。この加熱期間中に、8mlの水(理論収量の約50%)がトラップに収集された。完結時に、フラスコを冷却し、生成物を回収した。収量:427g、窒素含量:7.2質量%。CFM−2は、オートマチックトランスミッション液に用いられる一般的な種類の市販の摩擦調整剤の例である。
ホウ酸化PIBSA−PAM分散剤の製造
100質量部のPIB(Mn940;Mw/Mn=2.5)と13質量部の無水マレイン酸との混合物を加熱することによって、1.04の無水コハク酸(SA)対ポリイソブチレン(PIB)モル比(SA:PIB)を有するポリイソブテニルコハク酸無水物(PIBSA)を製造した。温度が120℃に達したとき、10.5質量部の塩素を一定の速度で5.5時間の期間にわたって加え、その期間中に温度を220℃に上昇させた。次いで反応混合物を220℃に1.5時間保持し、次いで窒素で1時間ストリッピングした。得られたPIBSAは、112のASTMけん化価を有していた。生成物は、有効成分が90質量%であり、残余は、主として未反応PIBであった。
最終段階において、上の第2段階の生成物(1000g)を撹拌機及び窒素スパージャーを装着した容器に入れた。物質を163℃に加熱し、ホウ酸(19.8g)を1時間にわたり加えた。添加が完了した後、混合物を、冷却し、ろ過して生成物を回収する前に窒素中でさらに2時間撹拌し続けた。得られた生成物は、1.56質量%の窒素含量及び0.35質量%のホウ素含量を有していた。
摩擦試験
実施例FM−1、FM−2、FM−3及びFM−4の摩擦調整剤を含む液を比較例の摩擦調整剤CFM−1及びCFM−2を含む類似の液とともに試験した。完全を期すために、摩擦調整剤を含んでいなかった液も試験した。供試液の組成を下の表1に示す。「試験FM」は、摩擦調整剤を意味する。摩擦特性は、低速度摩擦装置を用いて評価した。この試験では、自動車変速機クラッチにおける環境を模擬するために、摩擦材料の小ディスクを鋼鉄ディスクに当てて回す。測定した摩擦値を滑り速度に対してプロットして、摩擦対速度曲線を得る。この方法は、低速度又は静止摩擦を測定するためにも用いることができる。試験方法のさらなる詳細については、”Prediction of Low Speed Clutch Shudder in Automatic Transmissions using the Low Velocity Friction Apparatus”, R. F. Watts & R. K. Nibert, 7th International Colloquium on Automotive Lubrication, Technishe Akademie Esslingen (1990)に見いだすことができる。
フルオロエラストマーとの適合性
実施例1において試験した摩擦調整剤を液に配合した。組成を下の表3に示す。以前のように、摩擦調整剤を含んでいなかった「ブランク」試料も試験した。車両変速機用のシールを製造するために一般的に用いられるフルオロエラストマー材料(V−51と呼ばれるFKM材料)のダンベル形試料を試験液に浸漬し、150℃で336時間そこに保持した。浸漬後、試料を液から取り出し、破壊するまで引き伸ばした。破断点伸び及び引張強度を記録した。各試料の膨潤した体積も測定した。結果を下の表4に示す。
全体的にみて、実施した試験により、本発明による液が良好な摩擦特性を備え、フルオロエラストマーシールに対する高い適合性も示すことが確認される。
銅との適合性
2つの質量パーセントのそれぞれFM−1、FM−2、FM−3及びFM−4並びに同じ量のCFM−1及びCFM−2を市販のAPI群IIIベースストックに個別に溶解した。そのように調製した溶液を銅溶解試験に用い、試験は、試験潤滑油を銅試験条片と150℃で24時間接触した状態に維持したことを除いてASTM D−130の手順に従って行った。24時間の試験の終了時に、各潤滑油の試料をICP分光法を用いて試験して、銅含量を測定した。結果を下の表5に示す。各試料中の銅の量を油中の銅の百万分の1の単位で表す。
Claims (13)
- Q又は各Qがエチレン基である、請求項2又は請求項3に記載の液。
- R9がアルキル基である、請求項3又は請求項4に記載の液。
- R1及びR2が同じである、請求項1から5までのいずれか1項に記載の液。
- R1及びR2が4〜20個の炭素原子を有する直鎖状又は分枝、飽和又は不飽和のアルキル基である、請求項1から6までのいずれか1項に記載の液。
- 1つ又は複数の腐食防止剤をさらに含む、請求項1から7までのいずれか1項に記載の液。
- 1つ又は複数の金属含有洗剤をさらに含む、請求項1から8までのいずれか1項に記載の液。
- オートマチックトランスミッション液である、請求項1から9までのいずれか1項に記載の液。
- 過半量の潤滑油を、請求項1から9までのいずれか1項で規定された少量の添加剤組成物と混ぜ合わせることを含む、改善されたフルオロエラストマーシール適合性を有する動力伝達液を調合する方法。
- 過半量の潤滑油を、請求項1から9までのいずれか1項で規定された少量の添加剤組成物と混ぜ合わせることを含む、改善された銅腐食適合性を有する動力伝達液を調合する方法。
- 動力伝達液のフルオロエラストマーシール適合性及び/又は銅腐食適合性を改善するための、請求項1から9までのいずれか1項で規定された添加剤組成物の使用。
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JP6533689B2 (ja) * | 2015-04-22 | 2019-06-19 | 出光興産株式会社 | 自動変速機油 |
EP4179049A1 (en) * | 2020-07-09 | 2023-05-17 | ExxonMobil Technology and Engineering Company | Engine oil lubricant compositions and methods for making same with superior engine wear protection and corrosion protection |
US11788026B2 (en) | 2021-07-28 | 2023-10-17 | Afton Chemical Corporation | Hydraulic fluid |
US20230055442A1 (en) | 2021-07-28 | 2023-02-23 | Afton Chemical Corporation | Hydraulic fluid |
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US20170306261A1 (en) | 2017-10-26 |
GB201519106D0 (en) | 2015-12-16 |
KR102269722B1 (ko) | 2021-06-28 |
DE102015118989A1 (de) | 2016-05-12 |
CA2911323A1 (en) | 2016-05-05 |
US20160122680A1 (en) | 2016-05-05 |
CN105567379A (zh) | 2016-05-11 |
JP6674228B2 (ja) | 2020-04-01 |
CN105567379B (zh) | 2021-03-12 |
KR20160053811A (ko) | 2016-05-13 |
US9732301B2 (en) | 2017-08-15 |
GB2534005B (en) | 2017-02-15 |
GB2534005A (en) | 2016-07-13 |
CA2911323C (en) | 2021-06-15 |
US9957463B2 (en) | 2018-05-01 |
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