JPS5662895A - Novel aqueous type hydraulic fluid - Google Patents
Novel aqueous type hydraulic fluidInfo
- Publication number
- JPS5662895A JPS5662895A JP13925479A JP13925479A JPS5662895A JP S5662895 A JPS5662895 A JP S5662895A JP 13925479 A JP13925479 A JP 13925479A JP 13925479 A JP13925479 A JP 13925479A JP S5662895 A JPS5662895 A JP S5662895A
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic fluid
- type hydraulic
- aqueous type
- amide compound
- novel aqueous
- 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.)
- Pending
Links
Landscapes
- Lubricants (AREA)
Abstract
PURPOSE: A novel aqueous type hydraulic fluid useful for a hydraulic equipment, etc. having improved stability and anticorrosion, slightly causing foams, comprising an amide compound obtained reacting specific alkanolamine with an acid as a lubricant ingredient.
CONSTITUTION: A mixture of one equivalent ≥12C polybasic acid and 1.1W5mol alkanolamine having an active carbon linked to nitrogen atom, for example, is heated in an N2 gas flow at 160W180°C, to form water which is removed out of the system to give an amide compound. 0.5W5wt% amide compound is added to water to give the desired aqueous type hydraulic fluid. A monoamine, e.g., diethanolamine, etc. is cited as the preferably instance of the amine.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13925479A JPS5662895A (en) | 1979-10-30 | 1979-10-30 | Novel aqueous type hydraulic fluid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13925479A JPS5662895A (en) | 1979-10-30 | 1979-10-30 | Novel aqueous type hydraulic fluid |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5662895A true JPS5662895A (en) | 1981-05-29 |
Family
ID=15241018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13925479A Pending JPS5662895A (en) | 1979-10-30 | 1979-10-30 | Novel aqueous type hydraulic fluid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5662895A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4640791A (en) * | 1985-01-30 | 1987-02-03 | Basf Corporation | Water-based functional fluids thickened by the interaction of an associative polyether thickener and certain fatty acid amides |
EP2937332A1 (en) | 2014-04-22 | 2015-10-28 | Cromogenia Units, S.A. | Process for preparing a solid hydroxyalkylamide |
-
1979
- 1979-10-30 JP JP13925479A patent/JPS5662895A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4640791A (en) * | 1985-01-30 | 1987-02-03 | Basf Corporation | Water-based functional fluids thickened by the interaction of an associative polyether thickener and certain fatty acid amides |
EP2937332A1 (en) | 2014-04-22 | 2015-10-28 | Cromogenia Units, S.A. | Process for preparing a solid hydroxyalkylamide |
EP2937333A1 (en) | 2014-04-22 | 2015-10-28 | Cromogenia Units, S.A. | Process for preparing a solid hydroxyalkylamide |
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