JP7876552B2 - 二相潤滑剤 - Google Patents
二相潤滑剤Info
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- JP7876552B2 JP7876552B2 JP2023565898A JP2023565898A JP7876552B2 JP 7876552 B2 JP7876552 B2 JP 7876552B2 JP 2023565898 A JP2023565898 A JP 2023565898A JP 2023565898 A JP2023565898 A JP 2023565898A JP 7876552 B2 JP7876552 B2 JP 7876552B2
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Description
(a)3.5~7.0mm2/秒の範囲の100℃における動粘度を有するフィッシャー・トロプシュ(Fischer-Tropsch)誘導基油である、45~75質量%の低粘度の第1の基油構成成分と、
(b)ポリアルキレングリコールである、3~35質量%の高粘度の第2の基油構成成分と、
(c)非イオン性界面活性剤である消泡添加剤と、を含み、質量%は、潤滑組成物の全質量を基準とする、潤滑油組成物を提供する。
(a)3.5~7.0mm2/秒の範囲の100℃における動粘度を有するフィッシャー・トロプシュ(Fischer-Tropsch)誘導基油である、45~75質量%の低粘度の第1の基油構成成分と、
(b)ポリアルキレングリコールである、3~35質量%の高粘度の第2の基油構成成分と、
(c)非イオン性界面活性剤である消泡添加剤であって、質量%が、潤滑組成物の全質量を基準とする、消泡添加剤と、を含む。
図1a、図1b、及び図1cは、二相潤滑油組成物の使用の概略図を提供する。
表1及び表2に列挙するように、一連の潤滑油をブレンドした。使用した組成物は、以下のとおりである。
低粘度基油:5.5mm2/秒のKV100を有するGTL基油のブレンド
高粘度基油:Synalox100-D450、例えば、Dow、プロピレンオキシドの水不溶性ホモポリマー(713cStのKV40、110cStのKV100)。
エステル基油:例えば、CrodaのPriolube1936、ジエステル基油(26cStのKV40、5.3cStのKV100)
アドパック1-市販の多機能自動車ギアパッケージアドパック。
消泡剤1-Viscoplex14-520、Evonik製の有機変性シロキサン消泡剤。
消泡剤2-DCF200-12500cSt(3%)、例えば、Dow Corning製のポリジメチルシロキサン系消泡剤。
消泡剤3-Synative AC AMH-2-非イオン性界面活性剤系消泡剤、例えば、Cognis製。
摩擦調整剤-市販のアミン系摩擦調整剤。
以下に実施態様を記載する。
態様1
潤滑油組成物であって、
(a)3.5~7.0mm 2 /秒の範囲の100℃における動粘度を有するフィッシャー・トロプシュ誘導基油である、45~75質量%の低粘度の第1の基油構成成分と、
(b)ポリアルキレングリコールである、3~35質量%の高粘度の第2の基油構成成分と、
(c)非イオン性界面活性剤である消泡添加剤と、を含み、質量%は、前記潤滑組成物の全質量を基準とする、潤滑油組成物。
態様2
前記低粘度の第1の基油構成成分が、4.0~6.0mm 2 /秒の範囲の100℃における動粘度を有する、態様1に記載の潤滑油組成物。
態様3
前記高粘度の第2の基油構成成分が、90~120mm 2 /秒、好ましくは95~105mm 2 /秒の範囲の100℃における動粘度を有する、態様1又は2に記載の潤滑油組成物。
態様4
1種以上のエステル基油を含む調整構成成分もまた含む、態様1~3のいずれか一項に記載の潤滑油組成物。
態様5
前記エステル基油が、0.080~0.350、好ましくは0.080~0.300の酸素/炭素重量比を有する、態様4に記載の潤滑油組成物。
態様6
前記エステル基油が、前記低粘度の第1の基油構成成分の動粘度を1mm 2 /秒以下、より好ましくは0.5mm 2 /秒以下で上回る、又は下回る、100℃における動粘度を有する、態様4又は5に記載の潤滑油組成物。
態様7
1種以上のエステル基油を含む前記調整構成成分が、前記潤滑油組成物の前記全質量を基準として、2~10質量%の量で存在する、態様4~6のいずれか一項に記載の潤滑油組成物。
態様8
前記非イオン性界面活性剤が、ポリアルコキシル化アルコール、ポリアルコキシル化アミン、及びこれらの混合物から選択される、態様1~7のいずれか一項に記載の潤滑油組成物。
態様9
車軸を潤滑にするための方法であって、前記方法が、前記車軸に潤滑油組成物を供給することを含み、前記潤滑油組成物が、
(a)3.5~7.0mm 2 /秒の範囲の100℃における動粘度を有するフィッシャー・トロプシュ誘導基油である、45~75質量%の低粘度の第1の基油構成成分と、
(b)ポリアルキレングリコールである、3~35質量%の高粘度の第2の基油構成成分と、
(c)非イオン性界面活性剤である消泡添加剤と、を含み、質量%は、前記潤滑組成物の前記全質量を基準とする、方法。
Claims (7)
- (a)3.5~7.0mm2/秒の範囲の100℃における動粘度を有するフィッシャー・トロプシュ誘導基油である、45~75質量%の低粘度の第1の基油構成成分と、
(b)90~120mm 2 /秒の範囲の100℃における動粘度を有するポリアルキレングリコールである、3~35質量%の高粘度の第2の基油構成成分と、
(c)ポリアルコキシル化アルコール、ポリアルコキシル化アミン、及びこれらの混合物から選択される非イオン性界面活性剤である消泡添加剤と、
1種以上のエステル基油を含む調整構成成分を含む潤滑油組成物であって、質量%は、前記潤滑油組成物の全質量を基準とする、潤滑油組成物。 - 前記低粘度の第1の基油構成成分が、4.0~6.0mm2/秒の範囲の100℃における動粘度を有する、請求項1に記載の潤滑油組成物。
- 前記高粘度の第2の基油構成成分が、95~105mm2/秒の範囲の100℃における動粘度を有する、請求項1又は2に記載の潤滑油組成物。
- 前記エステル基油が、0.080~0.350、好ましくは0.080~0.300の酸素/炭素重量比を有する、請求項1に記載の潤滑油組成物。
- 前記エステル基油が、前記低粘度の第1の基油構成成分の動粘度を1mm2/秒以下、より好ましくは0.5mm2/秒以下で上回る、又は下回る、100℃における動粘度を有する、請求項1に記載の潤滑油組成物。
- 1種以上のエステル基油を含む前記調整構成成分が、前記潤滑油組成物の前記全質量を基準として、2~10質量%の量で存在する、請求項1に記載の潤滑油組成物。
- 車軸を潤滑にするための方法であって、前記方法が、前記車軸に潤滑油組成物を供給することを含み、前記潤滑油組成物が、
(a)3.5~7.0mm2/秒の範囲の100℃における動粘度を有するフィッシャー・トロプシュ誘導基油である、45~75質量%の低粘度の第1の基油構成成分と、
(b)90~120mm 2 /秒の範囲の100℃における動粘度を有するポリアルキレングリコールである、3~35質量%の高粘度の第2の基油構成成分と、
(c)ポリアルコキシル化アルコール、ポリアルコキシル化アミン、及びこれらの混合物から選択される非イオン性界面活性剤である消泡添加剤と、
1種以上のエステル基油を含む調整構成成分を含み、質量%は、前記潤滑油組成物の全質量を基準とする、方法。
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