US2604450A - Lubricating grease composition - Google Patents

Lubricating grease composition Download PDF

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Publication number
US2604450A
US2604450A US202422A US20242250A US2604450A US 2604450 A US2604450 A US 2604450A US 202422 A US202422 A US 202422A US 20242250 A US20242250 A US 20242250A US 2604450 A US2604450 A US 2604450A
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US
United States
Prior art keywords
weight
phenol
mixture
grease
lubricating grease
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 - Lifetime
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US202422A
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English (en)
Inventor
Arnold J Morway
David W Young
Delmer L Cottle
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.)
Standard Oil Development Co
Original Assignee
Standard Oil Development Co
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Filing date
Publication date
Priority to NL93803D priority Critical patent/NL93803C/xx
Priority to BE507908D priority patent/BE507908A/xx
Application filed by Standard Oil Development Co filed Critical Standard Oil Development Co
Priority to US202421A priority patent/US2642397A/en
Priority to US202422A priority patent/US2604450A/en
Priority to GB25342/51A priority patent/GB705524A/en
Priority to FR1048738D priority patent/FR1048738A/fr
Priority to DEST4229A priority patent/DE935923C/de
Application granted granted Critical
Publication of US2604450A publication Critical patent/US2604450A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
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    • 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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    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
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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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    • C10M2203/00—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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    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/104—Aromatic fractions
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    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/106—Naphthenic fractions
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    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
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    • C10M2207/10—Carboxylix acids; Neutral salts thereof
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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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    • C10M2207/129—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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    • C10M2207/30—Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids
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    • C10N2040/46—Textile oils
    • 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—Form in which the lubricant is applied to the material being lubricated semi-solid; 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

Definitions

  • the technique ofIthepreparation-of these novel lubricating grease compositions is very simple.
  • the synthetic ester'lubricant'chosen is admixed with from about 1-6 by' weight of an alkali metal or alkaline e'arth metal soap or a high molecular weight substantially saturated .fatty acid and? heated to a temperaturewithin a range When the mixture ofzsynthetic'i ester: and soap has cooled to approxi'nriarely- 250'" F; the" oilamino phenol mixture is added and the whole mass allowed to cool to room temperature, resulting in a clear solid grease structure.
  • EQOGRGQORX wherein, is a. bivalent aliphatic hydrocarbon radical such. as methylene ⁇ polymethyl'ehe, ethylidene, propylic'lene, .methyl' dimethylene, .butyl;
  • n RZ' and'Bi are branched chain hydrocarbon. radical'sfjliavfiig from 4.to-22.carbon.atoms. and may besal'ikfejor diffk'arentwv Examples of som'of the synthetic esters. operable," and. covered? the...form'ul"a;-
  • esters of adipiciacidi sube'ric acid... azelaic acidlandsebacic acidl Other synthticoils which may be'lised asbas'estoclis 'for the preparation of'ivery satisfactory grease compositions according; to the inventive concept ihcl'u'de the pblye'tlier'sl's'uch a'sjthef poly;- glycol ethers and complex ester sucha's the esters ofalkylatediisuc'cifiic a'cid; OX0 aloe;
  • Nil m-amino phenol which may thenfbe purified by 7 any of the various methods known to the art;
  • An example of the preparation of on e'N-acyl p-amino phenol is'g'iven below; TQn e' mol of pamino phenol was-placed in a glass roundbottomedfiask equipped with a reflux condenser with an az'eotropic take-offside arm.
  • To the flask was then added one mol of stearic acid and 50 grams of xylene; The xylene served as an entraining agent to remove, azeotropically, the water of the reaction.
  • the flask was heated to.
  • the greases of this invention are prepared simply and easily by a blending or mixing operation of two components.
  • Onecomponent is a mixture ofithe chosen synthetic ester'anda'soap'.
  • the synthetic ester may Q lng'from 1% to'6%i preferably8 to.6% by Weight.
  • this-invention relates 'to new anduseiullubricating grease compositions and a method of their manufacture having desirable properties of stability, fluctuating temperature a range of from 350 to 480 F. with stirring, at
  • centages given above are byweig ht, based onthe 'EaiampleI renewin the-procedure .nhumed above a 111 lubricating and-the like which consists essentially of a synthetic ester thickened to a grease consistency with a minor amount of a soap and.
  • the greases are prepared by mixing the amino phenol with a small amount of a mineral oil and blending this mixture with the synthetic ester containing dis persed therein a minor amount'of an alkali metal or an alkaline earth metal soap of a high mo lecular weight substantiallysaturated fatty acid.
  • a lubricatinggreasei I from about 34% to 79% by weight of asynth'etic ester having the generalformula" v 'j wherein R is a bivalent hydrocarbon radical of.
  • R .and'iR"- are branched chain hydrocarbon radicals having of a material having the fqxmu g wherein R is an aliphatic hydrocarbon radical 1 containing from 16 0022 carbon atoms composition comprising mineral oil' solutionof fromfl to 12% by weight ROOCRCOOR" wherein R is a bivalent hydrocarbon radical of the class consisting of methylene, polymethylene, ethylidene, propylidene, and methyldimethylene radicals, and R and R are branched chain hydrocarbon radicals, alike or different, containing from 4 to 22 carbon atoms which has been thickened to a grease consistency with (1) a solution of about 14% to 53% of a mineral oil and about 1% to 12% of an N-acyl p-amino phenol having from 16 to
  • a lubricating grease composition consisting essentially of about 64% to 73% of an ester having the general formula- R'OOC (CH2) sCOOR" wherein R and R. are branched chain hydrocarbon radicals having from 4 to 22 carbon atoms which has been thickened to a grease consistency with (1) about 3% to 6% of an alkali metal soap of stearic acid and with (2) a solution of about to 30% of a naphthenic mineral oil and about 1 to 6 of an N-acyl p-amino phenol, the acyl group of which contains from 16 to 20 carbon atoms, percentages being by weight, based on the weight of the total composition.
  • R and R. are branched chain hydrocarbon radicals having from 4 to 22 carbon atoms which has been thickened to a grease consistency with (1) about 3% to 6% of an alkali metal soap of stearic acid and with (2) a solution of about to 30% of a naphthenic mineral oil and about 1 to 6 of an N-acyl p-
  • a lubricating grease composition consisting essentially of about 69% of di-2-ethyl hexyl sebacate thickened to a grease consistency with about 6% of lithium stearate, and a solution of about 2% N-stearoyl p-aminophenol in about 23% of a naphthenic mineral oil, percentages being by weight, based on the Weight of the total composition.
  • a process for the preparation of ester base lubricating compositions which comprises the steps of admixing with from 34% to 79% of an ester material having the formula- R'OOCBCOOR" wherein R is a bivalent hydrocarbon radical of the class consisting of methylene, polymethylene, ethylidene, propylidene, and methyldimethylene radicals and R and R are branched chain hydrocarbon radicals, alike or different, containing from 4 to 22 carbon atoms from 1% to 6% by weight of a metal soap of a high molecular weight substantially saturated fatty acid, heating the mixture while stirring to a temperature within a range of from 350 to 480 F., cooling the mixture to a temperature of about 250 F., blending therewith a mixture of about 14% to 53% of a naphthenic mineral oil and about 1% to 12% of a material having the formula n HOQNCOR said mixtur having been heated to a temperature of about 250 F., and cooling the resulting blend to obtain a
  • a process for the preparation of synthetic oil base lubricating grease compositions which comprises the steps of admixing with from 64% to 73% of di-2-ethyl hexyl sebacate, 3 to 6% of lithium stearate, heating the mixture with stirring to about 350 to 480 F., cooling the mixture to a temperature of about 250 F., blending therewith a mixture of about 15% to 30% of a naphthenic, mineral oil containing dissolved therein about 1 to 6% of N-stearoyl p-amino phenol said mixture having been heated toabout 250 F., and cooling the resulting blend to obtain a stable grease composition, percentages given being by weight, based on the weight of the total composition.

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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)
US202422A 1950-12-22 1950-12-22 Lubricating grease composition Expired - Lifetime US2604450A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL93803D NL93803C (en(2012)) 1950-12-22
BE507908D BE507908A (en(2012)) 1950-12-22
US202421A US2642397A (en) 1950-12-22 1950-12-22 Lubricating grease compositions
US202422A US2604450A (en) 1950-12-22 1950-12-22 Lubricating grease composition
GB25342/51A GB705524A (en) 1950-12-22 1951-10-30 Improvements in or relating to lubricating greases
FR1048738D FR1048738A (fr) 1950-12-22 1951-11-14 Graisses composées lubrifiantes
DEST4229A DE935923C (de) 1950-12-22 1951-12-18 Schmierfette

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US202422A US2604450A (en) 1950-12-22 1950-12-22 Lubricating grease composition

Publications (1)

Publication Number Publication Date
US2604450A true US2604450A (en) 1952-07-22

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US202422A Expired - Lifetime US2604450A (en) 1950-12-22 1950-12-22 Lubricating grease composition

Country Status (6)

Country Link
US (1) US2604450A (en(2012))
BE (1) BE507908A (en(2012))
DE (1) DE935923C (en(2012))
FR (1) FR1048738A (en(2012))
GB (1) GB705524A (en(2012))
NL (1) NL93803C (en(2012))

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2795546A (en) * 1951-12-20 1957-06-11 Exxon Research Engineering Co Lubricating grease compositions containing omicron, nu-diacyl-p-aminophenols
DE1014260B (de) * 1954-06-04 1957-08-22 Exxon Research Engineering Co Synthetisches Schmieroel
US2824838A (en) * 1954-06-04 1958-02-25 Exxon Research Engineering Co Lubricating grease compositions containing n-acyl-p-amino phenols
US3098042A (en) * 1957-01-17 1963-07-16 Exxon Research Engineering Co Lubricants containing polybutene-1

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436347A (en) * 1944-12-30 1948-02-17 Standard Oil Dev Co Grease compositions
US2442672A (en) * 1941-02-18 1948-06-01 Shell Dev Rust-preventive hydrocarbon compositions
US2467147A (en) * 1945-03-22 1949-04-12 Standard Oil Dev Co Low-temperature lubricant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442672A (en) * 1941-02-18 1948-06-01 Shell Dev Rust-preventive hydrocarbon compositions
US2436347A (en) * 1944-12-30 1948-02-17 Standard Oil Dev Co Grease compositions
US2467147A (en) * 1945-03-22 1949-04-12 Standard Oil Dev Co Low-temperature lubricant

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2795546A (en) * 1951-12-20 1957-06-11 Exxon Research Engineering Co Lubricating grease compositions containing omicron, nu-diacyl-p-aminophenols
DE1014260B (de) * 1954-06-04 1957-08-22 Exxon Research Engineering Co Synthetisches Schmieroel
US2824838A (en) * 1954-06-04 1958-02-25 Exxon Research Engineering Co Lubricating grease compositions containing n-acyl-p-amino phenols
US3098042A (en) * 1957-01-17 1963-07-16 Exxon Research Engineering Co Lubricants containing polybutene-1

Also Published As

Publication number Publication date
BE507908A (en(2012))
GB705524A (en) 1954-03-17
NL93803C (en(2012))
FR1048738A (fr) 1953-12-23
DE935923C (de) 1956-01-05

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