JP5048959B2 - 消泡剤および潤滑油組成物 - Google Patents
消泡剤および潤滑油組成物 Download PDFInfo
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- JP5048959B2 JP5048959B2 JP2006063392A JP2006063392A JP5048959B2 JP 5048959 B2 JP5048959 B2 JP 5048959B2 JP 2006063392 A JP2006063392 A JP 2006063392A JP 2006063392 A JP2006063392 A JP 2006063392A JP 5048959 B2 JP5048959 B2 JP 5048959B2
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- Prior art keywords
- lubricating oil
- mass
- metal oxide
- oil
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Description
表1に示す金属酸化物A、B、Cを含有させた本発明の潤滑油組成物(実施例1〜3)及び市販消泡剤X、Y、Zを含有させた比較用の潤滑油組成物(比較例1〜3)をそれぞれ調製した。得られた組成物について、新油及び165℃、144時間の条件でISOT試験により劣化させた劣化油について、消泡性能をJIS K 2518に準拠して評価した。
金属酸化物A:SiO2、平均粒径35nm(溶剤なし)
金属酸化物B:TiO2、平均粒径40nm(溶剤なし)
金属酸化物C:CoO及びAl2O3混合物、平均粒径28nm(溶剤なし)
市販消泡剤X:ジメチルポリシロキサン
市販消泡剤Y:アルキルポリシロキサン
市販消泡剤Z:フルオロシリコン
動粘度 :4.0mm2/s @100℃
粘度指数:125
NOACK蒸発量:16質量%
イオウ分:0.005質量%以下
Claims (5)
- TiO2、SnO2、ZnO、Al2O3、Y2O3、CoO、及びZrO2から選ばれる、平均粒径が1〜1000nmの金属酸化物の少なくとも一種を含有することを特徴とする消泡剤。
- 前記金属酸化物が、TiO2、Al2O3、Y2O3、及びCoOから選ばれる少なくとも一種である、請求項1に記載の消泡剤。
- 前記金属酸化物が、TiO2、Al2O3、及びCoOから選ばれる少なくとも一種である、請求項2に記載の消泡剤。
- 請求項1〜3のいずれか一項に記載の金属酸化物を含有させてなることを特徴とする潤滑油組成物。
- 潤滑油に請求項1〜3のいずれか一項に記載の金属酸化物を含有させることを特徴とする潤滑油の消泡方法。
Priority Applications (1)
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---|---|---|---|
JP2006063392A JP5048959B2 (ja) | 2006-03-08 | 2006-03-08 | 消泡剤および潤滑油組成物 |
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JP2006063392A JP5048959B2 (ja) | 2006-03-08 | 2006-03-08 | 消泡剤および潤滑油組成物 |
Publications (2)
Publication Number | Publication Date |
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JP2007238775A JP2007238775A (ja) | 2007-09-20 |
JP5048959B2 true JP5048959B2 (ja) | 2012-10-17 |
Family
ID=38584625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006063392A Expired - Fee Related JP5048959B2 (ja) | 2006-03-08 | 2006-03-08 | 消泡剤および潤滑油組成物 |
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JP (1) | JP5048959B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6327658B1 (ja) * | 2016-12-19 | 2018-05-23 | 株式会社Vab | 潤滑油添加剤、潤滑油、グリース組成物、燃料油添加剤、燃料油およびオイルスラッジ抑制方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8518871D0 (en) * | 1985-07-25 | 1985-08-29 | Dow Corning Ltd | Detergent foam control agents |
JPS62250916A (ja) * | 1986-04-25 | 1987-10-31 | Toray Silicone Co Ltd | 消泡剤組成物 |
JPS63175197A (ja) * | 1987-01-12 | 1988-07-19 | 神崎製紙株式会社 | タルクスラリ−の製造方法 |
GB9412179D0 (en) * | 1994-06-17 | 1994-08-10 | Dow Corning Sa | Foam control agent |
US5587102A (en) * | 1994-08-25 | 1996-12-24 | Djs&T Limited Partnership | Magnetic paint composition and method |
JPH08250098A (ja) * | 1995-03-08 | 1996-09-27 | Daifuku Seishi Kk | 電池用セパレータ |
JP2001262173A (ja) * | 2000-03-22 | 2001-09-26 | Asahi Denka Kogyo Kk | 潤滑性組成物 |
US7244695B2 (en) * | 2000-09-29 | 2007-07-17 | Kelsan Technologies Corp. | Method for reducing wear of steel elements in sliding-rolling contact |
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2006
- 2006-03-08 JP JP2006063392A patent/JP5048959B2/ja not_active Expired - Fee Related
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JP2007238775A (ja) | 2007-09-20 |
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