JP7245873B2 - 耐摩耗、減摩および分散安定の潤滑油またはグリースおよびその調製方法 - Google Patents
耐摩耗、減摩および分散安定の潤滑油またはグリースおよびその調製方法 Download PDFInfo
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Description
Claims (15)
- 潤滑油の主成分と、長い炭素鎖をグラフトしたスルホン化グラフェンを含み、
前記炭素鎖は、非置換のアルキル基であり、
前記長い炭素鎖をグラフトしたスルホン化グラフェンにおける炭素元素と硫黄元素との質量比が15~50であり、
前記長い炭素鎖をグラフトしたスルホン化グラフェンにおける長い炭素鎖の炭素原子数が10~50であることを特徴とする耐摩耗、減摩および分散安定の潤滑油。 - 前記長い炭素鎖をグラフトしたスルホン化グラフェンの添加量が、前記耐摩耗、減摩および分散安定の潤滑油に対して0.001~1質量%であることを特徴とする請求項1に記載の耐摩耗、減摩および分散安定の潤滑油。
- 前記潤滑油の主成分に、油圧トランスミッションオイル、作動油、ギヤー油またはエンジン油が含まれることを特徴とする請求項1に記載の耐摩耗、減摩および分散安定の潤滑油。
- 前記油圧トランスミッションオイルは、オートマチックトランスミッション油であることを特徴とする請求項3に記載の耐摩耗、減摩および分散安定の潤滑油。
- (1)長い炭素鎖をグラフトしたスルホン化グラフェンを基油に分散させることで、グラフェン添加剤を調製して得られることと、
(2)ステップ(1)で調製されたグラフェン添加剤を、潤滑油の主成分と混合し、攪拌し、分散させることで、耐摩耗、減摩および分散安定の潤滑油を得ることと、を含むことを特徴とする請求項1~4のいずれか1項に記載の耐摩耗、減摩および分散安定の潤滑油の調製方法。 - ステップ(1)の前記グラフェン添加剤に対する長い炭素鎖をグラフトしたスルホン化グラフェンの質量分率が0.1~10%であること、を特徴とする請求項5に記載の耐摩耗、減摩および分散安定の潤滑油の調製方法。
- ステップ(1)に記載の分散技術は、攪拌分散またはパルス分散を含み、分散時間は10~60min、攪拌時の回転速度は10~6000r/minであることを特徴とする請求項5に記載の耐摩耗、減摩および分散安定の潤滑油の調製方法。
- ステップ(2)に記載の分散は、攪拌分散、パルス分散または研磨分散を含み、分散時間は0.1~3h、攪拌時の回転速度は10~3000r/minであることを特徴とする請求項5に記載の耐摩耗、減摩および分散安定の潤滑油の調製方法。
- グリースの主成分と、長い炭素鎖をグラフトしたスルホン化グラフェンを含み、
前記炭素鎖は、非置換のアルキル基であり、
前記長い炭素鎖をグラフトしたスルホン化グラフェンにおける炭素元素と硫黄元素との質量比が15~50であり、
前記長い炭素鎖をグラフトしたスルホン化グラフェンにおける長い炭素鎖の炭素原子数が10~50であることを特徴とする耐摩耗、減摩および分散安定のグリース。 - 前記長い炭素鎖をグラフトしたスルホン化グラフェンの添加量が、前記耐摩耗、減摩および分散安定のグリースに対して0.001~1質量%であることを特徴とする請求項9に記載の耐摩耗、減摩および分散安定のグリース。
- 前記グリースの主成分に、カルシウムグリース、リチウムグリース、リチウムコンプレックスグリース、カルシウムコンプレックスグリース、ポリウレア、シリコーングリースまたはフッ素グリースが含まれることを特徴とする請求項9に記載の耐摩耗、減摩および分散安定のグリース。
- (1)長い炭素鎖をグラフトしたスルホン化グラフェンを基油に分散させることで、グラフェン添加剤を調製して得られることと、
(2)ステップ(1)で調製されたグラフェン添加剤を、グリースの主成分と混合し、攪拌し、分散させることで、耐摩耗、減摩および分散安定のグリースを得ることと、を含むことを特徴とする請求項9~11のいずれか1項に記載の耐摩耗、減摩および分散安定のグリースの調製方法。 - ステップ(1)の前記グラフェン添加剤に対する長い炭素鎖をグラフトしたスルホン化グラフェンの質量分率が0.1~10%であること、を特徴とする請求項12に記載の耐摩耗、減摩および分散安定のグリースの調製方法。
- ステップ(1)に記載の分散技術は、攪拌分散またはパルス分散を含み、分散時間は10~60min、攪拌時の回転速度は10~6000r/minであることを特徴とする請求項12に記載の耐摩耗、減摩および分散安定のグリースの調製方法。
- ステップ(2)に記載の分散は、攪拌分散、パルス分散または研磨分散を含み、分散時間は0.1~3h、攪拌時の回転速度は10~3000r/minであることを特徴とする請求項12に記載の耐摩耗、減摩および分散安定のグリースの調製方法。
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CN111808656A (zh) | 2020-10-23 |
US11332688B2 (en) | 2022-05-17 |
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