GB742517A - Process for the preparation of lubricating greases - Google Patents
Process for the preparation of lubricating greasesInfo
- Publication number
- GB742517A GB742517A GB33602/53A GB3360253A GB742517A GB 742517 A GB742517 A GB 742517A GB 33602/53 A GB33602/53 A GB 33602/53A GB 3360253 A GB3360253 A GB 3360253A GB 742517 A GB742517 A GB 742517A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acids
- hydroxy
- oil
- grease
- soap
- 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
- 230000001050 lubricating effect Effects 0.000 title abstract 2
- 239000000344 soap Substances 0.000 abstract 7
- 239000000203 mixture Substances 0.000 abstract 5
- 239000003921 oil Substances 0.000 abstract 5
- 239000004519 grease Substances 0.000 abstract 4
- 239000010687 lubricating oil Substances 0.000 abstract 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- -1 hydroxy fatty acid Chemical class 0.000 abstract 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 150000007513 acids Chemical class 0.000 abstract 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 2
- 150000001342 alkaline earth metals Chemical class 0.000 abstract 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 abstract 2
- 235000014113 dietary fatty acids Nutrition 0.000 abstract 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 abstract 2
- 150000002148 esters Chemical class 0.000 abstract 2
- 239000000194 fatty acid Substances 0.000 abstract 2
- 229930195729 fatty acid Natural products 0.000 abstract 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 abstract 2
- 230000003647 oxidation Effects 0.000 abstract 2
- 238000007254 oxidation reaction Methods 0.000 abstract 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 abstract 2
- ULQISTXYYBZJSJ-UHFFFAOYSA-M 12-hydroxyoctadecanoate Chemical compound CCCCCCC(O)CCCCCCCCCCC([O-])=O ULQISTXYYBZJSJ-UHFFFAOYSA-M 0.000 abstract 1
- 229940114069 12-hydroxystearate Drugs 0.000 abstract 1
- RPGJJWLCCOPDAZ-UHFFFAOYSA-N 2-hydroxybehenic acid Chemical class CCCCCCCCCCCCCCCCCCCCC(O)C(O)=O RPGJJWLCCOPDAZ-UHFFFAOYSA-N 0.000 abstract 1
- JGHSBPIZNUXPLA-UHFFFAOYSA-N 2-hydroxyhexadecanoic acid Chemical class CCCCCCCCCCCCCCC(O)C(O)=O JGHSBPIZNUXPLA-UHFFFAOYSA-N 0.000 abstract 1
- JYZJYKOZGGEXSX-UHFFFAOYSA-N 2-hydroxymyristic acid Chemical class CCCCCCCCCCCCC(O)C(O)=O JYZJYKOZGGEXSX-UHFFFAOYSA-N 0.000 abstract 1
- KIHBGTRZFAVZRV-UHFFFAOYSA-N 2-hydroxyoctadecanoic acid Chemical class CCCCCCCCCCCCCCCCC(O)C(O)=O KIHBGTRZFAVZRV-UHFFFAOYSA-N 0.000 abstract 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 abstract 1
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 abstract 1
- 230000002745 absorbent Effects 0.000 abstract 1
- 239000002250 absorbent Substances 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 150000001447 alkali salts Chemical class 0.000 abstract 1
- 150000004982 aromatic amines Chemical class 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 abstract 1
- 239000004359 castor oil Substances 0.000 abstract 1
- 235000019438 castor oil Nutrition 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 238000001246 colloidal dispersion Methods 0.000 abstract 1
- 239000000084 colloidal system Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 230000018044 dehydration Effects 0.000 abstract 1
- 238000006297 dehydration reaction Methods 0.000 abstract 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 150000001261 hydroxy acids Chemical class 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 239000003112 inhibitor Substances 0.000 abstract 1
- 239000002480 mineral oil Substances 0.000 abstract 1
- 235000010446 mineral oil Nutrition 0.000 abstract 1
- 229940049964 oleate Drugs 0.000 abstract 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 abstract 1
- 239000003973 paint Substances 0.000 abstract 1
- 235000021317 phosphate Nutrition 0.000 abstract 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 238000007670 refining Methods 0.000 abstract 1
- 229940116351 sebacate Drugs 0.000 abstract 1
- CXMXRPHRNRROMY-UHFFFAOYSA-L sebacate(2-) Chemical compound [O-]C(=O)CCCCCCCCC([O-])=O CXMXRPHRNRROMY-UHFFFAOYSA-L 0.000 abstract 1
- 238000010008 shearing Methods 0.000 abstract 1
- 150000004760 silicates Chemical class 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 abstract 1
- 229940080350 sodium stearate Drugs 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 1
- 239000004291 sulphur dioxide Substances 0.000 abstract 1
- MQHSFMJHURNQIE-UHFFFAOYSA-N tetrakis(2-ethylhexyl) silicate Chemical compound CCCCC(CC)CO[Si](OCC(CC)CCCC)(OCC(CC)CCCC)OCC(CC)CCCC MQHSFMJHURNQIE-UHFFFAOYSA-N 0.000 abstract 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 abstract 1
- 239000001993 wax Substances 0.000 abstract 1
Classifications
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- C—CHEMISTRY; METALLURGY
- 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
- C10M7/00—Solid or semi-solid compositions essentially based on lubricating components other than mineral lubricating oils or fatty oils and their use as lubricants; Use as lubricants of single solid or semi-solid substances
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- C—CHEMISTRY; METALLURGY
- 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
- C10M5/00—Solid or semi-solid compositions containing as the essential lubricating ingredient mineral lubricating oils or fatty oils and their use
-
- C—CHEMISTRY; METALLURGY
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/02—Water
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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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/129—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of thirty or more carbon atoms
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/284—Esters of aromatic monocarboxylic acids
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/285—Esters of aromatic polycarboxylic acids
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/34—Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives
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- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/105—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only
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- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/107—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of two or more specified different alkylene oxides covered by groups C10M2209/104 - C10M2209/106
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- 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
- C10M2215/064—Di- and triaryl amines
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- 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
- C10M2215/064—Di- and triaryl amines
- C10M2215/065—Phenyl-Naphthyl amines
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- 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
- C10M2215/067—Polyaryl amine alkanes
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- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
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- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
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- C10M2223/04—Phosphate esters
- C10M2223/042—Metal salts thereof
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- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/06—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds
- C10M2223/065—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds containing sulfur
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- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/02—Esters of silicic acids
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- 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
- C10M2229/02—Unspecified siloxanes; Silicones
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- C10M2229/04—Siloxanes with specific structure
- C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
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- C10N2010/04—Groups 2 or 12
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- C—CHEMISTRY; METALLURGY
- 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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/08—Resistance to extreme temperature
-
- C—CHEMISTRY; METALLURGY
- 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
- C10N2040/02—Bearings
-
- C—CHEMISTRY; METALLURGY
- 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
- C10N2040/12—Gas-turbines
-
- C—CHEMISTRY; METALLURGY
- 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
- C10N2040/12—Gas-turbines
- C10N2040/13—Aircraft turbines
-
- C—CHEMISTRY; METALLURGY
- 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
-
- C—CHEMISTRY; METALLURGY
- 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
- C10N2070/00—Specific manufacturing methods for lubricant compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
Lubricating grease is prepared by heating a mixture of a lubricating oil and an alkaline earth metal soap of a hydroxy fatty acid to a temperature sufficient to dehydrate the mixture and to form a colloidal dispersion of the soap in the oil, and, while cooling the mixture to 210 DEG F. or below, subjecting the composition to shearing at a rate of at least 25,000 reciprocal seconds. Hydroxy fatty acids referred to are hydroxy stearic acids, hydroxy palmitic acids, hydroxy myristic acids and hydroxy behenic acids: acids derived from hydrogenated castor oil and hydroxy acids produced by catalytic oxidation of hydrocarbon-oils and waxes are particularly specified. Normal or basic salts may be used. Minor proportions of other soaps, such as sodium soaps, e.g. sodium stearate, oleate and 12-hydroxy stearate may also be present in the alkaline earth metal soap. The lubricating oil may be a mineral oil, for example one prepared by redistilling a gas oil or lubricating oil fraction over caustic soda, extracting the distillate with a solvent such as sulphur dioxide, furfural or phenol and refining the raffinate with an absorbent; or a synthetic oil such as esters of aliphatic dibasic acids, esters of aromatic mono- and di-basic acids, aliphatic ethers, organic phosphates, phosphonates, organic silicates and silicones; examples specified are bis 2-(ethylhexyl) sebacate, dibutyl phthalate, tetrakis-(2-ethylhexyl) silicate, dioctyl phthalate, tributyl phosphate, polymers of trimethylene glycol and copolymers of ethylene glycol and propylene glycol, Oxidation inhibitors such as aromatic amines, e.g. N, N1-tetramethyldiaminodiphenylmethane, diphenylamine and phenyl alpha-naphthylamine, may be added to the grease. The soap may be formed in situ in the lubricating oil or the preferred soap may be added to the oil. The temperature during the dehydration of the composition may be at least 325 DEG F. Shearing may be effected, for example, by passing the grease through a colloid mill, or a multiple roll mill such as a paint mill, or by pumping the grease through a screen.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US742517XA | 1952-12-05 | 1952-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB742517A true GB742517A (en) | 1955-12-30 |
Family
ID=22118575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33602/53A Expired GB742517A (en) | 1952-12-05 | 1953-12-03 | Process for the preparation of lubricating greases |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE524786A (en) |
| DE (1) | DE944628C (en) |
| FR (1) | FR1093065A (en) |
| GB (1) | GB742517A (en) |
| NL (2) | NL183304B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2973321A (en) * | 1957-01-16 | 1961-02-28 | Exxon Research Engineering Co | Process of making an improved carboxylic acid salt complex thickened lubricant |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE552927A (en) * | 1954-12-23 | |||
| BE547164A (en) * | 1955-04-22 | |||
| DE1128069B (en) * | 1959-02-11 | 1962-04-19 | Shell Int Research | Grease |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2619461A (en) * | 1950-01-04 | 1952-11-25 | Phillips Petroleum Co | Lubricating grease |
| NL76943C (en) * | 1950-05-20 | |||
| US2607733A (en) * | 1950-06-21 | 1952-08-19 | Standard Oil Co | Heavy duty lubricant |
-
0
- BE BE524786D patent/BE524786A/xx unknown
- NL NL18304D patent/NL18304C/xx active
- NL NLAANVRAGE7510697,A patent/NL183304B/en unknown
-
1953
- 1953-12-03 GB GB33602/53A patent/GB742517A/en not_active Expired
- 1953-12-03 FR FR1093065D patent/FR1093065A/en not_active Expired
- 1953-12-04 DE DEN8138A patent/DE944628C/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2973321A (en) * | 1957-01-16 | 1961-02-28 | Exxon Research Engineering Co | Process of making an improved carboxylic acid salt complex thickened lubricant |
Also Published As
| Publication number | Publication date |
|---|---|
| BE524786A (en) | |
| FR1093065A (en) | 1955-04-29 |
| NL183304B (en) | |
| NL18304C (en) | |
| DE944628C (en) | 1956-06-21 |
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