Classifications

• • 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
  • 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
• • 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
  • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
  • C10M2207/10—Carboxylix acids; Neutral salts thereof
  • C10M2207/16—Naphthenic acids
• • 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
  • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
  • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
  • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
• • 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
  • 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
  • C10M2223/063—Ammonium or amine salts
• • 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
  • C10N2010/00—Metal present as such or in compounds
  • C10N2010/06—Groups 3 or 13
• • 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
  • C10N2010/08—Groups 4 or 14
• • 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
  • C10N2040/135—Steam engines or 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

Definitions

• the naphthenate may be a salt formed from metals of 3,684,726 Groups I to IV of the Mendeleev Periodic table.
• LUBRICATING GREASE A preferred form of grease in accordance with the Alfred Romlla d Haak, 2105 Meckelfeld, Mohhweg invention may comprise about 1.5 percent by weight of the Germany, and Wolfgang stlchnoth 15 Muhlensfl'asse naphthenate salt and about 0.5 percent by weight of the 2000 Hamburg 70, Germany sulphonate salt.
• P 17 69 551 sulphonate, and the metal soap matrix of the grease may I t, (3], 010m 5/22, 5/16 be a salt of 12-hydoxystearic acid, such as the lithium salt US. Cl. 25233.2 5 Claims thereof.
• the amount of corrosion was expressed on an arbitrary scale in which zero corresponds to no corrosion of the surface of the test sample,and 5 designates over 10% of the
• the corrosion of metal parts lubricated by grease in hostile environments is mitigated by including 1n the grease a synergistic combination of naphthenates and sulphoft present invention relates to lubricating grease.
• a surface of the test sample corroded.
• Corrosion of less than lubricating grease basically comprises lubricating oil 10% of the Surface was P h a Pf raia asis. trapped i h interstices of a n-i f Soap fib Th
• the results of the tests are summarised 1n the following soap is usually a metal salt of a long chain organic acid table:
• Greases employed in such situations may contain additives However, 1t will be seen that when a combination of which combat any tendency of the metal parts to become one or more naphthenates w th the sulphonat 1 mcPrcorroded by the moisture. Commonly-used additives are porated 1n the grease, t e ls a synerglstlc effect which metal salts of naphthenic acid or alternatively metal salts confers further corrosion protection properties on the of sulphonic acids. However, these additives are not corng as C mpared W1th the amount of rotection when pletely effective in preventing corrosion, and are relatively only one additive chem1c al is employed.
• naphthalene sulphonate was rp r ed 111 he baslc
• the combination grease, the protection as d termined by ASTM D 1743 a 1 2I of sulphonate and naphthenate salts act synerglstically to was provide corrosion protection of metal parts even in the hlehds ware made P 0f the bfislqgfeasa w h 2% y presence f Seawater. weight of the naphthenates of lead, mm and lithium, and
• the sulphonate salt is preferably a salt of an alkaline tested according to ASTM D 1743- each blend, the
• peralkafyl sulphonata Preferably, the molecular weight of cent of zinc naphthenate was tested, the corrosion protecthe hydrocarbyl group of the sulphonate is 330 to 430. tion according to ASTM D 1743 was 1, thus demonstrating the synergistic effect of combining a naphthenate and a sulphonate.
• a grease giving highly satisfactory corrosion performance has been made which comprises about 1.5 weight percent of the naphthenate and about 0.5 weight percent of the sulphonate.
• the additives in accordance with the invention do not detract from the lubricating properties of the grease.
• a grease composition comprising mineral lubricating oil thickened with lithium 12-hydroxystearate and containing synergistic corrosion inhibiting proportions of at least one naphthenate salt of a metal selected from the group consisting of lead, zinc, magnesium, and lithium and a barium salt of an alkaryl sulfonic acid wherein the alkaryl group has a molecular weight between 330 and 430.

Landscapes

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

Applications Claiming Priority (1)

Publications (1)

Family

ID=5700220

Family Applications (1)

Country Status (7)

Cited By (10)

Family Cites Families (1)

• 1968
  • 1968-06-22 DE DE19681769651 patent/DE1769651B1/de not_active Withdrawn
• 1969
  • 1969-06-02 GB GB1230949D patent/GB1230949A/en not_active Expired
  • 1969-06-06 US US831223A patent/US3684726A/en not_active Expired - Lifetime
  • 1969-06-18 NL NL6909290A patent/NL6909290A/xx unknown
  • 1969-06-20 BR BR209997/69A patent/BR6909997D0/pt unknown
  • 1969-06-20 FR FR696920762A patent/FR2011476B1/fr not_active Expired
  • 1969-06-23 JP JP44049630A patent/JPS4931001B1/ja active Pending

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