JP6239620B2 - 非環式ヒンダードアミンを含む潤滑剤組成物 - Google Patents
非環式ヒンダードアミンを含む潤滑剤組成物 Download PDFInfo
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Description
本発明は、一般的に潤滑剤組成物に関する。更に詳細には、本発明は、非環式アミン化合物を含む潤滑剤組成物、該潤滑剤組成物の形成方法、及び潤滑剤組成物の添加剤濃縮物に関する。
それらの性能特性を改善するために、鉱油又は合成油に基づく潤滑剤組成物に安定剤を添加することが公知で且つ慣例である。酸化防止剤は特に重要な安定剤の一種である。潤滑剤組成物の酸化劣化は、潤滑剤組成物の酸化を触媒する窒素の酸化物の存在のために、エンジンの燃焼室において重要な役割を果たす。
本発明は、基油と非環式アミン化合物を含む潤滑剤組成物を提供する。非環式アミン化合物は、以下の式(I):
R2はそれぞれ独立してアルコール基、アルキル基、アミド基、エーテル基、及びエステル基から選択され、それぞれ1〜17個の炭素原子を有し、
R3は水素及びアルコール基、アルキル基、アミド基、エーテル基、及びエステル基から選択され、それぞれ1〜17個の炭素原子を有する)
を有する。
潤滑剤組成物の一態様は、その中に分散した/溶解した基本的な材料の量であり、これは潤滑剤組成物の全塩基価(“TBN”)と呼ばれる。TBNは、任意の材料の塩基度と水酸化カリウムの塩基度とを相関させるために使用される産業基準の測定値である。この値は、2つのASTM滴定法、ASTM D2896及びASTM D4739によって測定される。殆どのTBNは、過塩基性金属石鹸の使用により導き出されるが、これらの石鹸は、ディーゼル微粒子フィルタなどの幾つかの新しいエンジン技術の問題を作り出した。これらの金属石鹸の使用を最小限にする配合物は、価値があり、「低SAPS油」と呼ばれる(SAPSは、硫酸灰分、リン及び硫黄を表す)。
[R4O(R5O)PS(S)]2M
(式中、R4及びR5はそれぞれ独立して1〜20個の炭素原子を有するヒドロカルビル基であり、Mは金属原子又はアンモニウム基である)
によって表され得る。例えば、R4及びR5はそれぞれ独立してC1〜20アルキル基、C2〜20アルケニル基、C3〜20シクロアルキル基、C1〜20アラルキル基又はC3〜20アリール基である。金属原子は、アルミニウム、鉛、錫、マンガン、コバルト、ニッケル、又は亜鉛を含む群から選択される。アンモニウム基は、アンモニア又は第一級、第二級又は第三級アミンから誘導され得る。アンモニウム基は、式R6R7R8R9N+(式中、R6、R7、R8、及びR9は、それぞれ独立して、水素原子又は1〜150個の炭素原子を有するヒドロカルビル基を表す)のものであってよい。特定の実施態様では、R6、R7、R8、及びR9は、それぞれ独立して、4〜30個の炭素原子を有するヒドロカルビル基を表し得る。
式の第一級アミン:CH3−O−C2H4−NH2、C2H5−O−C2H4−NH2、CH3−O−C3H6−NH2、C2H5−O−C3H6−NH2、C4H9−O−C4H8−NH2、HO−C2H4−NH2、HO−C3H6−NH2及びHO−C4H8−NH2;第二級アミン、例えば、ジメチルアミン、ジエチルアミン、メチルエチルアミン、ジ−n−プロピルアミン、ジイソプロピルアミン、ジイソブチルアミン、ジ−sec−ブチルアミン、ジ−tert−ブチルアミン、ジペンチルアミン、ジヘキシルアミン、ジシクロペンチルアミン、ジシクロヘキシルアミン及びジフェニルアミン;さらに以下の式の第二級アミン:(CH3−O−C2H4)2NH、(C2H5−O−C2H4)2NH、(CH3−O−C3H6)2NH、(C2H5−O−C3H6)2NH、(n−C4H9−O−C4H8)2NH、(HO−C2H4)2NH、(HO−C3H6)2NH及び(HO−C4H8)2NH;及び複素環式アミン、例えば、ピロリジン、ピペリジン、モルホリン及びピペラジン、さらにそれらの置換誘導体、例えば、N−C1〜6アルキルピペラジン及びジメチルモルホリン;並びにポリアミン及びポリイミン、例えば、n−プロピレンジアミン、1,4−ブタンジアミン、1,6−ヘキサンジアミン、ジエチレントリアミン、トリエチレンテトラミン、及びポリエチレンイミン、さらにそれらのアルキル化生成物、例えば、3−(ジメチルアミノ)−n−プロピルアミン、N,N−ジメチルエチレンジアミン、N,N−ジエチルエチレンジアミン及びN,N,N’,N’−テトラメチルジエチレントリアミンである。
分散剤、洗浄剤、アミン系酸化防止剤、フェノール系酸化防止剤、消泡剤、基油、耐摩耗添加剤、流動点降下剤及び粘度調整剤を含有する完全に配合された潤滑剤組成物を調製した。この潤滑剤組成物は、代表的な市販のクランクケース潤滑剤であり、「基準潤滑剤」として指定され、且つ異なるアミン化合物のシール適合性への効果を比較するためのベースラインとして使用されている。
Claims (12)
- クランクケース潤滑剤組成物であって、
基油;及び
前記クランクケース潤滑剤組成物の全質量を基準として0.1〜10質量%の範囲の量で存在する非環式アミン化合物
を含み、前記非環式アミン化合物が以下の式(I)
(式中、R1はそれぞれ独立して水素及び1〜17個の炭素原子を有するアルキル基から選択され、R1のうち少なくとも2つは独立して選択されたアルキル基であり、
R2はそれぞれ独立してアルキル基、アミド基、エーテル基、及びエステル基から選択され、それぞれ1〜17個の炭素原子を有し、且つ
R3は水素及びアルコール基、アルキル基、アミド基、エーテル基、及びエステル基から選択され、それぞれ1〜17個の炭素原子を有する)
を有するが、ただし2−エチル−N,N−ジイソプロピルヘキサン−1−アミンを除く、前記クランクケース潤滑剤組成物。 - 前記非環式アミン化合物が非重合性であり且つ100〜1200の範囲の質量平均分子量を有する、請求項1に記載のクランクケース潤滑剤組成物。
- R1がそれぞれ独立して選択された1〜8個の炭素原子を有するアルキル基である、請求項1又は2に記載のクランクケース潤滑剤組成物。
- R2がそれぞれ独立して選択された1〜8個の炭素原子を有するアルキル基である、請求項1から3までのいずれか1項に記載のクランクケース潤滑剤組成物。
- R3が1〜4個の炭素原子を有するアルキル基である、請求項1から4までのいずれか1項に記載のクランクケース潤滑剤組成物。
- 前記非環式アミン化合物が、ASTM D4739に従って試験される時に、前記非環式アミン化合物のグラム当たり少なくとも70mg KOHのTBN値を有する、請求項1から5までのいずれか1項に記載のクランクケース潤滑剤組成物。
- 前記潤滑剤組成物の全質量を基準として0.1質量%未満の、前記非環式アミン化合物と反応する化合物を含む、請求項1から6までのいずれか1項に記載のクランクケース潤滑剤組成物。
- 前記基油が、API群I油、API群II油、API群III油、API群IV油及びそれらの組み合わせから選択され、前記基油がASTM D445に従って100℃で試験される時に1〜20cStの範囲の粘度を有する、請求項1から7までのいずれか1項に記載のクランクケース潤滑剤組成物。
- 前記潤滑剤組成物中での任意の反応前に前記潤滑剤組成物を形成するために使用される前記非環式アミン化合物の全質量を基準として、少なくとも90質量%の前記非環式アミン化合物が、前記潤滑剤組成物において未反応のままである、請求項1から8までのいずれか1項に記載のクランクケース潤滑剤組成物。
- 基油とクランクケース潤滑剤組成物の全質量を基準として0.1〜10質量%の範囲の量で存在する非環式アミン化合物を含むクランクケース潤滑剤組成物による、フルオロポリマーシールを含むシステムの潤滑方法であって、前記方法が、
フルオロポリマーシールとクランクケース潤滑剤組成物とを接触させることを含み、
その際、非環式アミン化合物が以下の式(I):
(式中、R1はそれぞれ独立して水素及び1〜17個の炭素原子を有するアルキル基から選択され、ここでR1のうち少なくとも2つが独立して選択されたアルキル基であり、
R2はそれぞれ独立してアルキル基、アミド基、エーテル基、及びエステル基から選択され、それぞれ1〜17個の炭素原子を有し、且つ
R3は水素及びアルコール基、アルキル基、アミド基、エーテル基、及びエステル基から選択され、それぞれ1〜17個の炭素原子を有する)
を有するが、ただし2−エチル−N,N−ジイソプロピルヘキサン−1−アミンを除く、前記方法。 - クランクケース潤滑剤組成物用の添加剤濃縮物であって、
硫黄及び/又はリンを含む耐摩耗性添加剤;及び
前記添加剤濃縮物の全質量を基準として、0.5〜90質量%の範囲の量で存在する非環式アミン化合物を含み、前記非環式アミン化合物が以下の式(I):
(式中、R1はそれぞれ独立して水素及び1〜6個の炭素原子を有するアルキル基から選択され、ここでR1のうち少なくとも2つは独立して選択されたアルキル基であり、
R2はそれぞれ独立してアルキル基、アミド基、エーテル基、及びエステル基から選択され、それぞれ1〜6個の炭素原子を有し、且つ
R3は水素及びアルコール基、アルキル基、アミド基、エーテル基、及びエステル基から選択され、それぞれ1〜4個の炭素原子を有する)
を有するが、ただし2−エチル−N,N−ジイソプロピルヘキサン−1−アミンを除く、前記添加剤濃縮物。 - 分散剤を更に含む、請求項11に記載の添加剤濃縮物。
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| US201261682882P | 2012-08-14 | 2012-08-14 | |
| US201261682884P | 2012-08-14 | 2012-08-14 | |
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| US61/682,882 | 2012-08-14 | ||
| US61/682,884 | 2012-08-14 | ||
| US61/682,883 | 2012-08-14 | ||
| PCT/US2013/054929 WO2014028609A1 (en) | 2012-08-14 | 2013-08-14 | Lubricant composition comprising acyclic hindered amines |
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| BR112015003103A2 (pt) | 2017-09-19 |
| CN104662137A (zh) | 2015-05-27 |
| CN104662137B (zh) | 2017-09-29 |
| US20150210956A1 (en) | 2015-07-30 |
| ZA201501687B (en) | 2017-01-25 |
| US20180134981A1 (en) | 2018-05-17 |
| KR20150042831A (ko) | 2015-04-21 |
| AU2013302656A1 (en) | 2015-03-05 |
| CA2881704A1 (en) | 2014-02-20 |
| EP2885384A1 (en) | 2015-06-24 |
| EP2885386A1 (en) | 2015-06-24 |
| JP2015525826A (ja) | 2015-09-07 |
| PL2885384T3 (pl) | 2021-11-15 |
| US20140051621A1 (en) | 2014-02-20 |
| WO2014028629A8 (en) | 2015-02-12 |
| EP2885386B1 (en) | 2020-11-25 |
| RU2015108830A (ru) | 2016-10-10 |
| ES2856301T3 (es) | 2021-09-27 |
| JP2018021208A (ja) | 2018-02-08 |
| US20150210952A1 (en) | 2015-07-30 |
| JP6611777B2 (ja) | 2019-11-27 |
| WO2014028629A1 (en) | 2014-02-20 |
| US9902916B2 (en) | 2018-02-27 |
| WO2014028609A1 (en) | 2014-02-20 |
| US9688938B2 (en) | 2017-06-27 |
| US10093879B2 (en) | 2018-10-09 |
| EP2885384B1 (en) | 2021-05-05 |
| ES2881536T3 (es) | 2021-11-29 |
| PL2885386T3 (pl) | 2021-06-14 |
| MX2015001874A (es) | 2015-05-15 |
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