JP2018002794A - 潤滑添加剤組成物、これを含む潤滑性組成物及び該潤滑性組成物からなるエンジン油組成物 - Google Patents
潤滑添加剤組成物、これを含む潤滑性組成物及び該潤滑性組成物からなるエンジン油組成物 Download PDFInfo
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Abstract
Description
金属系清浄剤としては、アルカリ土類金属スルフォネート、アルカリ土類金属フェネート、アルカリ土類金属ホスホネート、アルカリ土類金属サリシレート、アルカリ土類金属ナフテネート等が挙げられ、アルカリ土類金属としては、マグネシウム、カルシウム、バリウム等が挙げられる。本発明の潤滑性組成物は、(A)成分による摩擦低減効果が大きくなることから、(C)成分としてアルカリ土類金属サリシレートを含有することが好ましく、中でもカルシウムサリシレートが好ましい。
無灰型分散剤としては、アルケニル無水コハク酸とポリアミン化合物との縮合反応によって得られるコハク酸イミド型分散剤、アルケニル無水コハク酸とポリオール化合物との縮合反応によって得られるコハク酸エステル型分散剤、アルケニル無水コハク酸とアルカノールアミンとの縮合反応によって得られるコハク酸エステルアミド型分散剤、アルキルフェノールとポリアミンをホルムアルデヒドで縮合させて得られるマンニッヒ塩基系分散剤等が挙げられる。本発明の潤滑性組成物は、(A)成分による摩擦低減効果が大きくなることから、(D)成分として、コハク酸イミド型分散剤を含有することが好ましい。コハク酸イミド型分散剤は分子中に、アルケニルコハク酸イミド基を1つ有するモノコハク酸アミド型分散剤と2つ有するビスコハク酸アミド型分散剤に分けることができるが、潤滑性の向上効果に優れることからビスコハク酸イミド型分散剤が好ましい。無灰型分散剤の中には、ホウ酸変性した無灰型分散剤(無灰型分散剤にホウ酸を脱水縮合させた化合物)があるが、ホウ素原子として0.1〜5質量%のホウ酸を含有するコハク酸アミド型分散剤は、(A)成分による摩擦低減効果が大きくなることから特に好ましい。
酸化防止剤としては、芳香族アミン系酸化防止剤、フェノール系酸化防止剤、亜リンエステル系酸化防止剤、チオエーテル系酸化防止剤等が挙げられる。本発明の潤滑性組成物は、高い酸化防止性能を有し、(A)成分の潤滑性向上効果を長期間持続できることから、(E)成分として、フェノール系酸化防止剤を含有することが好ましい。
摩耗防止剤としては、亜鉛ジチオホスフェート、アルキルリン酸エステル、アリールリン酸エステル、アルキルチオリン酸エステル等が挙げられる。本発明の潤滑性組成物は、摩耗防止効果が大きく、(A)成分の潤滑性の向上効果もあることから、(F)成分として下記の一般式(3)で表される亜鉛ジチオホスフェートを含有することが好ましい。
アルキルアルカノールアミンとしては、ラウリルジエタノールアミン、ミリスチルジエタノールアミン、パルミチルジエタノールアミン、ステアリルジエタノールアミン、ラウリルジプロパノールアミン、ミリスチルジプロパノールアミン、パルミチルジプロパノールアミン、ステアリルジプロパノールアミン等が挙げられる。アルケニルカノールアミンとしては、オレイジエタノールアミン、オレイジプロパノールアミン等が挙げられる。
等が挙げられる。
(A2)一般式(1)において、R1〜R4が2−エチルヘキシル基、X1〜X2が硫黄原子、X3〜X4が酸素原子である化合物(Mo含量20.7%)
(B1)一般式(2)において、R5〜R6が2−エチルヘキシル基である化合物
(B2)一般式(2)において、R5〜R6が分岐トリデシル基である化合物
(C1)カルシウムサリシレート(Ca含量10%、TBN280mgKOH/g)
(C2)ホウ素変性カルシウムサリシレート(Ca含量10%、ホウ素含量0.5%、TBN275mgKOH/g)
(C3)マグネシウムサリシレート(Mg含量6.0%、TBN280mgKOH/g)
(C´1)カルシウムスルホネート(Ca含量11.4%、TBN300mgKOH/g)
(D1)ビスポリアルケニルコハク酸イミド
(D2)ホウ酸化アルケニルコハク酸イミド(ホウ素含量0.34%)
(D’1)マンニッヒ塩基系分散剤
(E1)下記のエステル基を有するフェノール系酸化防止剤
(基油)40℃の動粘度が18.3mm2/sで粘度指数が126の鉱油系高VI油。
使用試験機:SRV測定試験機(Optimol社製、型式:type3)
評価条件
・シリンダ−オンプレートの線接触条件で摩擦係数を測定する。
・荷重:200N
・温度:80℃
・測定時間:15分
・振幅:1mm
・上部シリンダー:φ15×22mm(材質SUJ−2)
・下部プレート:φ24×6.85mm(材質SUJ−2)
評価方法:5〜15分の摩擦係数の平均値を、本試験の摩擦係数とする。摩擦係数が低いほど潤滑性に優れることを示す。
試験方法:JIS K2513(石油製品−銅板腐食試験方法)に準拠
試験温度:100℃
試験時間:3時間
評価方法:銅板の変色をJIS K2513の銅板腐食標準と比較し、腐食の程度を判定する。番号の小さいほど、同一の番号の場合はa→b→cの順に、腐食が少ないことを示す。なお、表1に銅板腐食標準による腐食の分類を示す。
Claims (8)
- 基油及び請求項1に記載の潤滑添加剤組成物を含有する潤滑性組成物。
- 更に、(C)成分としてアルカリ土類金属サリシレートを含有する、請求項2に記載の潤滑性組成物。
- 更に、(D)成分としてアルケニルコハク酸イミド系分散剤を含有する、請求項2又3に記載の潤滑性組成物。
- 更に、(E)成分としてフェノール系酸化防止剤を含有する、請求項2〜4のいずれか1項に記載の潤滑性組成物。
- 更に、(G)成分として多価アルコール脂肪酸部分エステル、(ポリ)グリセリンアルキルエーテル、アルキルアルカノールアミン、アルケニルアルカノール及び脂肪酸アルカノールアミドからなる群から選択される少なくとも1つの無灰型摩擦調整剤を含有する請求項2〜6のいずれか1項に記載の潤滑性組成物。
- 請求項2〜7のいずれか1項に記載の潤滑性組成物からなるエンジン油組成物。
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JP2016128713A JP6467377B2 (ja) | 2016-06-29 | 2016-06-29 | 潤滑性組成物及び該潤滑性組成物からなるエンジン油組成物 |
MYPI2018002948A MY190767A (en) | 2016-06-29 | 2017-06-27 | Lubrication additive composition, lubricating composition containing same and engine oil composition consisting of lubricating composition |
KR1020197000902A KR102329652B1 (ko) | 2016-06-29 | 2017-06-27 | 윤활 첨가제 조성물, 이것을 함유하는 윤활성 조성물 및 그 윤활성 조성물로 이루어지는 엔진 오일 조성물 |
EP17820169.5A EP3480285B1 (en) | 2016-06-29 | 2017-06-27 | Lubricating composition |
CA3028939A CA3028939C (en) | 2016-06-29 | 2017-06-27 | A copper corrosion-inhibiting lubricant additive composition comprising an organic molybdenum compound and a dialkylamine compound |
BR112018074493-0A BR112018074493B1 (pt) | 2016-06-29 | 2017-06-27 | Composição lubrificante, e, método para suprimir a corrosão de um componente de cobre |
CN201780040818.8A CN109415646B (zh) | 2016-06-29 | 2017-06-27 | 润滑性组合物及包含该润滑性组合物的机油组合物 |
US16/310,503 US20190264125A1 (en) | 2016-06-29 | 2017-06-27 | Lubricant additive composition, lubricating composition containing same and engine oil composition consisting of lubricating composition |
PCT/JP2017/023621 WO2018003815A1 (ja) | 2016-06-29 | 2017-06-27 | 潤滑添加剤組成物、これを含む潤滑性組成物及び該潤滑性組成物からなるエンジン油組成物 |
US17/211,076 US11248187B2 (en) | 2016-06-29 | 2021-03-24 | Lubricant additive composition, lubricating composition containing same and engine oil composition consisting of lubricating composition |
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US20190264125A1 (en) | 2019-08-29 |
KR102329652B1 (ko) | 2021-11-19 |
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EP3480285A1 (en) | 2019-05-08 |
BR112018074493A2 (pt) | 2019-03-19 |
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JP6467377B2 (ja) | 2019-02-13 |
US20210253973A1 (en) | 2021-08-19 |
CA3028939C (en) | 2024-03-05 |
US11248187B2 (en) | 2022-02-15 |
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