GB730875A - Grease compositions - Google Patents

Grease compositions

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Publication number
GB730875A
GB730875A GB13855/52A GB1385552A GB730875A GB 730875 A GB730875 A GB 730875A GB 13855/52 A GB13855/52 A GB 13855/52A GB 1385552 A GB1385552 A GB 1385552A GB 730875 A GB730875 A GB 730875A
Authority
GB
United Kingdom
Prior art keywords
radicles
oil
carbon atoms
group
agents
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
Application number
GB13855/52A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
California Research LLC
Original Assignee
California Research LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by California Research LLC filed Critical California Research LLC
Publication of GB730875A publication Critical patent/GB730875A/en
Expired legal-status Critical Current

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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
    • 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
    • C—CHEMISTRY; METALLURGY
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • C10M2201/103—Clays; Mica; Zeolites
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/105—Silica
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    • 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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    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
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    • 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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    • C10M2207/128—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 containing hydroxy groups; Ethers thereof
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    • C10M2211/044—Acids; Salts or esters thereof
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    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
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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
    • 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
    • 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
    • C10M2229/043—Siloxanes with specific structure containing carbon-to-carbon double bonds
    • 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
    • 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
    • C10M2229/044—Siloxanes with specific structure containing silicon-to-hydrogen bonds
    • 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
    • C10N2010/00—Metal present as such or in compounds
    • 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
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/02—Groups 1 or 11
    • 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
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/04—Groups 2 or 12
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • 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
    • C10N2050/08—Solids
    • 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
    • C10N2060/00—Chemical after-treatment of the constituents of the lubricating composition
    • C10N2060/04—Oxidation, e.g. ozonisation
    • 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
    • C10N2070/02—Concentrating of additives

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

A grease composition comprises a base oil consisting essentially of a polyether oil as defined below and a polysiloxane oil as defined below, the ratio by weight of the polyether oil to the polysiloxane oil ranging from 1 to 10, together with 5-30 per cent by weight of a grease-thickening agent. The polyether oil has the formula A-O-(R11O)n-B, where A and B represent hydrogen, alkyl radicles containing 1-12 carbon atoms, aromatic radicles, aralkyl radicles or alkaryl radicles wherein the aliphatic groups attached to the aromatic nucleus contain a total of no more than 5 carbon atoms, or ester groups R111CO (derived from the acid R111COOH where R111 is an organic radicle) containing 2-12 carbon atoms, A and B being the same or different; R11 is an alkylene radicle containing 2-4 carbon atoms; and n is a number having a value 4-20. The polysiloxane oil has the formula <FORM:0730875/IV (a)/1> wherein R and R1 are aliphatic hydrocarbon radicles containing no more than 5 carbon atoms, aromatic radicles, alkaryl radicles or aralkyl radicles wherein the alkyl groups attached to the aromatic nucleus contain no more than 3 carbon atoms, R and R1 being the same or different; and n has a value of at least 10. In the molecule of the polysiloxane, all of the monomeric units may not have the same formula, i.e. R and R1 may represent different radicles in different monomeric units of the same molecule. The thickening agent may be silica, bentonite, an amide (for example an aliphatic amide, an acylated phenylene diamine or an acylated urea or thiourea) or a substance of the formula (R1X)n-M, wherein R1 is a saturated or unsaturated aliphatic hydrocarbon group or an aralkyl group and contains 10-30 carbon atoms; X is a carboxy group <FORM:0730875/IV (a)/2> , a phosphonyl group <FORM:0730875/IV (a)/3> , a sulphate group <FORM:0730875/IV (a)/4> or a sulphonyl group <FORM:0730875/IV (a)/5> ; M is a metal of Group I or II of the Periodic Table; and n is the valency of M. Thickening agents of this formula may be metal salts of fatty acids, hydroxy-stearic acid, cetylbenzoic acid, cetane sulphonic acid, dodecyl benzene sulphonic acid, dodecane phosphonic acid or lauryl sulphuric acid. The polyether-polysiloxane base oil may contain as much as 15 per cent of a petroleum hydrocarbon oil or of lubricating oil derived from coal. The grease composition may contain additional ingredients such as stringiness agents, oxidation inhibitors, anti-wear agents, extreme pressure agents, peptizing agents and anti-thixotropic agents. In the preparation of the thickening agents of the above-mentioned formula, acids of lower molecular weight, such as acetic acid, may be admixed with the acids forming the thickening agents before conversion to the metal salt. In the examples, grease compositions are described which consist of a -butyl o -methyl hepta- or penta-oxypropylene diether, polymethyl siloxane, lithium and calcium stearates, and secondary additives chosen from phenyl alpha-naphthylamine, zinc dibutyl dithiocarbamate, dilauryl selenide and alizarin. Specification 675,301, [Group III], is referred to.ALSO:A grease composition which is plastic at high temperatures as well as low temperatures, so that it is suitable for lubrication where severe variations of weather conditions are encountered, comprises a base oil consisting essentially of a polyether oil as defined below and a polysiloxane oil as defined below, the ratio by weight of the polyether oil to the poly-siloxane oil ranging from 1 to 10, together with 5-30 per cent by weight of a grease-thickening agent. The polyether oil has the formula A-O-(R11O)n-B, where A and B represent hydrogen, alkyl radicles containing 1-12 carbon atoms, aromatic radicles, aralkyl radicles or alkaryl radicles wherein the aliphatic groups attached to the aromatic nucleus contain a total of no more than 5 carbon atoms, or ester groups R111CO (derived from the acid R111COOH where R111 is an organic radicle) containing 2-12 carbon atoms, A and B being the same or different; R11 is an alkylene radicle containing 2-4 carbon atoms; and n is a number having a value 4-20. The polysiloxane oil has the formula <FORM:0730875/III/1> wherein R and R1 are aliphatic hydrocarbon radicles containing no more than 5 carbon atoms, aromatic radicles, alkaryl radicles or aralkyl radicles wherein the alkyl groups attached to the aromatic nucleus contain no more than 3 carbon atoms, R and R1 being the same or different; and n has a value of at least 10. In the molecule of the polysiloxane, all of the monomeric units may not have the same formula, i.e. R and R1 may represent different radicles in different monomeric units of the same molecule. The thickening agent may be silica, bentonite, an amide (for example an aliphatic amide, an acylated phenylene diamine or an acylated urea or thiourea) or a substance of the formula (R1X)n-M wherein R1 is a saturated or unsaturated aliphatic hydrocarbon group or an aralkyl group and contains 10-30 carbon atoms; X is a carboxy group <FORM:0730875/III/2> a phosphonyl group <FORM:0730875/III/3> a sulphate group <FORM:0730875/III/4> or a sulphonyl group <FORM:0730875/III/5> M is a metal of Group I or II of the Periodic Table; and n is the valency of M. Thickening agents of this formula may be metal salts of fatty acids, hydroxystearic acid, cetylbenzoic acid, cetane sulphonic acid, dodecyl benzene sulphonic acid, dodecane phosphonic acid or lauryl sulphuric acid. The polyether-poly-siloxane base oil may contain as much as 15 per cent of a petroleum hydrocarbon oil or of lubricating oil derived from coal. The grease composition may contain additional ingredients such as stringiness agents, oxidation inhibitors, anti-wear agents, extreme pressure agents, peptizing agents, fillers and anti-thixotropic agents. In the preparation of the thickening agents of the abovementioned formula, acids of lower molecular weight, such as acetic acid, may be admixed with the acids forming the thickening agents before conversion to the metal salt. In the examples grease compositions are described which consist of a -butyl o -methyl hepta- or penta-oxypropylene diether, poly-methyl siloxane, lithium and calcium stearates, and secondary additives chosen from phenyl alpha - naphthylamine, zinc dibutyl dithiocarbamate, dilauryl selenide and alizarin. Specification 675,301 is referred to.
GB13855/52A 1951-09-15 1952-05-30 Grease compositions Expired GB730875A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA730875X 1951-09-15

Publications (1)

Publication Number Publication Date
GB730875A true GB730875A (en) 1955-06-01

Family

ID=4172297

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13855/52A Expired GB730875A (en) 1951-09-15 1952-05-30 Grease compositions

Country Status (1)

Country Link
GB (1) GB730875A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003069049A2 (en) * 2002-02-14 2003-08-21 Dow Corning Corporation Textile fluids for synthetic fiber treatment
US20090069203A1 (en) * 2004-10-20 2009-03-12 Porite Corporation Heat reversible gel-like lubricating composition, process for producing the same, and bearing lubricant and bearing system using said composition
CN110776980A (en) * 2019-09-24 2020-02-11 佛山市南海区里水镇经济促进局 Chain high-low temperature lubricating grease and preparation method and application thereof
CN111303977A (en) * 2020-03-24 2020-06-19 青岛中科润美润滑材料技术有限公司 Lubricating grease for continuous casting machine and preparation method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003069049A2 (en) * 2002-02-14 2003-08-21 Dow Corning Corporation Textile fluids for synthetic fiber treatment
WO2003069049A3 (en) * 2002-02-14 2004-03-04 Dow Corning Textile fluids for synthetic fiber treatment
US20090069203A1 (en) * 2004-10-20 2009-03-12 Porite Corporation Heat reversible gel-like lubricating composition, process for producing the same, and bearing lubricant and bearing system using said composition
CN110776980A (en) * 2019-09-24 2020-02-11 佛山市南海区里水镇经济促进局 Chain high-low temperature lubricating grease and preparation method and application thereof
CN110776980B (en) * 2019-09-24 2022-06-14 佛山市南海区里水镇经济促进局 Chain high-low temperature lubricating grease and preparation method and application thereof
CN111303977A (en) * 2020-03-24 2020-06-19 青岛中科润美润滑材料技术有限公司 Lubricating grease for continuous casting machine and preparation method thereof

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