GB1154209A - Improved Electroviscous Compositions - Google Patents
Improved Electroviscous CompositionsInfo
- Publication number
- GB1154209A GB1154209A GB34039/66A GB3403966A GB1154209A GB 1154209 A GB1154209 A GB 1154209A GB 34039/66 A GB34039/66 A GB 34039/66A GB 3403966 A GB3403966 A GB 3403966A GB 1154209 A GB1154209 A GB 1154209A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- composition
- solid
- base
- electroviscous
- 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.)
- Expired
Links
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- C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
- C10M171/001—Electrorheological fluids; smart fluids
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- C10M2201/061—Carbides; Hydrides; Nitrides
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- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
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- C—CHEMISTRY; METALLURGY
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/044—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms having cycloaliphatic groups
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/08—Amides
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/08—Amides
- C10M2215/082—Amides containing hydroxyl groups; Alkoxylated derivatives
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/16—Nitriles
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/20—Containing nitrogen-to-oxygen bonds
- C10M2215/202—Containing nitrogen-to-oxygen bonds containing nitro groups
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/221—Six-membered rings containing nitrogen and carbon only
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
- C10M2215/226—Morpholines
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/26—Amines
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/28—Amides; Imides
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/30—Heterocyclic compounds
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/015—Dispersions of solid lubricants
- C10N2050/02—Dispersions of solid lubricants dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
Abstract
1,154,209. Electroviscous composition. TEXTRON ELECTRONICS, Inc. 28 July, 1966 [2 Aug., 1965], No. 34039/66. Heading C1A. [Also in Divisions C3 and C5] An electroviscous composition comprises (a) a finely divided non-conductive solid with a mean particle diameter #0À1 Á, (b) a hydrogenbonding acid, (c) a hydrogen-bonding base, and (d) a low dielectric liquid vehicle, the amount of the acid and of the base each being at least 1% by wt. of the solid and the total amount of the solid, acid and base not exceeding 35% by wt. of the composition, said composition having an effective viscosity, when subjected to an electric field of 100 volts per mil at a shear rate of 1000 sec<SP>-1</SP>, of at least 100 times its viscosity in the absence of the field. The liquid vehicle may be a mineral or fatty oil, xylene, CCl 4 , a fluorocarbon or a silicone oil. The non-conductive solid may be pyrogenic silica or corundum. The hydrogenbonding acid may be acetic, formic, lactic, malic, malonic, octanoic, oxalic, pyruvic, or trichloracetic acid. The hydrogen-bonding base may be an alcohol, amide, amino, ketone, phenol, pyridine or NH 4 OH. The electroviscous composition may be prepared by developing an electric charge on the particles of the non- conductive solid, coating the particles with the acid and base and dispering the coated particles in the liquid vehicle. The charge may be developed by passing a charged probe through the insulated solid
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47672865A | 1965-08-02 | 1965-08-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1154209A true GB1154209A (en) | 1969-06-04 |
Family
ID=23893007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB34039/66A Expired GB1154209A (en) | 1965-08-02 | 1966-07-28 | Improved Electroviscous Compositions |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1594646A1 (en) |
GB (1) | GB1154209A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0614964A1 (en) * | 1993-03-12 | 1994-09-14 | The Lubrizol Corporation | Electrorheological fluids with hydrocarbyl aromatic hydroxy compounds |
EP0625566A1 (en) * | 1993-05-21 | 1994-11-23 | NIPPON OIL Co. Ltd. | Electrorheological fluid containing carbonaceous particles |
-
1966
- 1966-07-28 GB GB34039/66A patent/GB1154209A/en not_active Expired
- 1966-07-29 DE DE19661594646 patent/DE1594646A1/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0614964A1 (en) * | 1993-03-12 | 1994-09-14 | The Lubrizol Corporation | Electrorheological fluids with hydrocarbyl aromatic hydroxy compounds |
EP0625566A1 (en) * | 1993-05-21 | 1994-11-23 | NIPPON OIL Co. Ltd. | Electrorheological fluid containing carbonaceous particles |
US5536426A (en) * | 1993-05-21 | 1996-07-16 | Nippon Oil Company, Ltd. | Electrorheological fluid containing carbonaceous particles |
US5705088A (en) * | 1993-05-21 | 1998-01-06 | Nippon Oil Company, Ltd. | Electrorheological fluid containing carbonaceous particles |
Also Published As
Publication number | Publication date |
---|---|
DE1594646A1 (en) | 1969-08-21 |
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