FR2434864A1 - Sulphurised compsn. prepn. from olefin, sulphur and hydrogen sulphide - used as extreme pressure and antioxidant lubricant additive - Google Patents
Sulphurised compsn. prepn. from olefin, sulphur and hydrogen sulphide - used as extreme pressure and antioxidant lubricant additiveInfo
- Publication number
- FR2434864A1 FR2434864A1 FR7825392A FR7825392A FR2434864A1 FR 2434864 A1 FR2434864 A1 FR 2434864A1 FR 7825392 A FR7825392 A FR 7825392A FR 7825392 A FR7825392 A FR 7825392A FR 2434864 A1 FR2434864 A1 FR 2434864A1
- Authority
- FR
- France
- Prior art keywords
- compsn
- olefin
- sulphurised
- extreme pressure
- lubricant additive
- 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.)
- Granted
Links
Classifications
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- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
- C10M135/02—Sulfurised compounds
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- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/06—Well-defined aromatic compounds
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- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
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- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/022—Ethene
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/252—Diesel engines
-
- 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
- C10N2040/25—Internal-combustion engines
- C10N2040/252—Diesel engines
- C10N2040/253—Small diesel engines
-
- 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
- C10N2070/02—Concentrating of additives
Abstract
A sulphurised compsn. is prepd. by reacting 0.7-1.2 g-atoms of S and 0.1-1.5 (0.4-1.25), esp. 0.4-0.8 moles H2S, with 1 mole of a 3-30C (3-16C), esp. 7C terminal aliphatic monoolefin, at 50-300 degrees C (100-200 degrees C) and under super atmos. pressure. Finally, allow boiling cpds., including unreacted olefin, mercaptan and monosulphide, are removed. The olefin may be substd., but olefinic, aliphatic hydrocarbons are pref. esp. (di)isobutene. After removal of low-boiling cpds., the prod. may be treated with an alkali metal sulphide to reduce active S. The compsn. is a lubricant additive, improving extreme pressure properties, and reducing wear and oxidn.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7825392A FR2434864A1 (en) | 1978-09-04 | 1978-09-04 | Sulphurised compsn. prepn. from olefin, sulphur and hydrogen sulphide - used as extreme pressure and antioxidant lubricant additive |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7825392A FR2434864A1 (en) | 1978-09-04 | 1978-09-04 | Sulphurised compsn. prepn. from olefin, sulphur and hydrogen sulphide - used as extreme pressure and antioxidant lubricant additive |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2434864A1 true FR2434864A1 (en) | 1980-03-28 |
FR2434864B3 FR2434864B3 (en) | 1980-12-26 |
Family
ID=9212309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7825392A Granted FR2434864A1 (en) | 1978-09-04 | 1978-09-04 | Sulphurised compsn. prepn. from olefin, sulphur and hydrogen sulphide - used as extreme pressure and antioxidant lubricant additive |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2434864A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3634336A1 (en) * | 1985-06-07 | 1988-04-21 | Magyar Asvanyolaj Es Foeldgaz | Prodn. of alkyl-aromatic polysulphide cpds. useful as ep additives - by reaction of corresp. halide with alkali or alkaline earth metal polysulphide cpd. formed initially in mixed solvent |
DE3634330A1 (en) * | 1985-06-07 | 1988-04-21 | Magyar Asvanyolaj Es Foeldgaz | Polysulphide EP additives for lubricating oils etc. prepd. - by chloromethylating aromatic hydrocarbon to degree depending on additives intended use, and reacting prod. with metal polysulphide |
US6413917B1 (en) | 1999-07-21 | 2002-07-02 | Dainippon Ink And Chemicals, Inc. | Extreme-pressure additive, process for producing the same, cutting fluid, and grinding fluid |
-
1978
- 1978-09-04 FR FR7825392A patent/FR2434864A1/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3634336A1 (en) * | 1985-06-07 | 1988-04-21 | Magyar Asvanyolaj Es Foeldgaz | Prodn. of alkyl-aromatic polysulphide cpds. useful as ep additives - by reaction of corresp. halide with alkali or alkaline earth metal polysulphide cpd. formed initially in mixed solvent |
DE3634330A1 (en) * | 1985-06-07 | 1988-04-21 | Magyar Asvanyolaj Es Foeldgaz | Polysulphide EP additives for lubricating oils etc. prepd. - by chloromethylating aromatic hydrocarbon to degree depending on additives intended use, and reacting prod. with metal polysulphide |
US6413917B1 (en) | 1999-07-21 | 2002-07-02 | Dainippon Ink And Chemicals, Inc. | Extreme-pressure additive, process for producing the same, cutting fluid, and grinding fluid |
Also Published As
Publication number | Publication date |
---|---|
FR2434864B3 (en) | 1980-12-26 |
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