EP0918084A2 - Additif pour lubrifiants pour systèmes de convoyeurs - Google Patents

Additif pour lubrifiants pour systèmes de convoyeurs Download PDF

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Publication number
EP0918084A2
EP0918084A2 EP98121586A EP98121586A EP0918084A2 EP 0918084 A2 EP0918084 A2 EP 0918084A2 EP 98121586 A EP98121586 A EP 98121586A EP 98121586 A EP98121586 A EP 98121586A EP 0918084 A2 EP0918084 A2 EP 0918084A2
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EP98121586A
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German (de)
English (en)
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EP0918084A3 (fr
Inventor
Dieter Stöckigt
Birgit Dr. Potthoff-Karl
Aus Dem Martin Dr. Kahmen
Johannes Dr. Perner
Oliver Dr. Borzyk
Erwin Wolff
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BASF SE
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BASF SE
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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
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
    • 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
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/26—Carboxylic acids; Salts thereof
    • C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M129/38—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms
    • 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
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/26—Carboxylic acids; Salts thereof
    • C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M129/38—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms
    • C10M129/40—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms monocarboxylic
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/68—Esters
    • C10M129/76—Esters containing free hydroxy or carboxyl groups
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    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
    • C10M133/04—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M133/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
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    • C10M133/16—Amides; Imides
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    • C10M145/36—Polyoxyalkylenes etherified
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    • C10M2201/02—Water
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    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
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    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
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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
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/34—Lubricating-sealants
    • 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
    • C10N2040/36—Release agents or mold release agents
    • 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
    • C10N2040/38—Conveyors or chain belts
    • 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
    • C10N2040/40—Generators or electric motors in oil or gas winning field
    • 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
    • C10N2040/42—Flashing oils or marking 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
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/44—Super vacuum or supercritical use
    • 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
    • C10N2040/50—Medical uses
    • 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
    • C10N2050/01—Emulsions, colloids, or micelles

Definitions

  • the invention relates to the use of certain fatty acid derivatives as additives in soap-containing or synthetic chain lubricants and corresponding Chain lubricant.
  • chain conveyor belts or “plate belts”, most of the time Stainless steel.
  • chain lubricant also called “belt lubricant”, lubricated.
  • the chain lubricant used in breweries is preferably soaps, especially potash lubricating soaps used, which synthetic non-ionic or ionic surfactants can be added.
  • Such chain lubricants have the disadvantage that they are particularly sensitive to water hardness. That's why most of the time Sequestering agents (complexing agents) such as ethylenediaminetetraacetic acid or Nitrilotriacetic acid or its alkali metal salts added, which the water hardness mask.
  • chain lubricants In addition to these soap-containing chain lubricants, synthetic chain lubricants have also been used developed that are soap-free. Such chain lubricants have, for example Ether carboxylic acids, fatty alcohol ethoxylates and fatty amines. You are less sensitive compared to the water hardness as the soap-containing chain lubricant.
  • the chain lubricants are used as a dilute aqueous solution or suspension sprayed onto the plate tapes.
  • spraying takes place continuously. It can also be done discontinuously if the coefficient of friction for the transported bottles becomes too high.
  • WO 93/18120 describes clear water-soluble chain conveyor belt lubricants, the amphoteric aminocarboxylic acids and organic carboxylic acids as well Contain additives and / or auxiliary substances.
  • the chain conveyor belt lubricants are supposed to high cleaning power, easily controllable foam behavior and high Resistance to microorganisms.
  • EP-B-0 044 458 describes lubricant compositions which are known as Chain lubricant can be used. They contain carboxylated nonionic Compounds composed of fatty acids in which ethylene oxide is inserted. They also contain acyl sarcosinates. The lubricants are said to be improved Properties such as good lubricity, low foaming behavior and Resistance to water hardness.
  • the known chain lubricants are not suitable for all applications.
  • the reduction in the coefficient of friction is for some applications insufficient.
  • the behavior of some chain lubricants when running dry and rewetting the tapes insufficient.
  • the object of the present invention is to provide additives for soap-containing and synthetic chain lubricants, which have the disadvantages of the known Remedy chain lubricant.
  • the compounds used according to the invention can be used both in soap-containing and can also be used in synthetic chain lubricants.
  • soapy Chain lubricants can partially or completely replace the complexing agent.
  • the chain lubricants according to the invention can be used for a large number of applications be used. They are preferred in the food industry, in particular used in chain and belt lubrication systems. Such tapes are particularly when filling food, preferably beverages, into glass and plastic bottles, Cans, glasses, barrels, beverage containers, paper and cardboard containers used. In addition to the main applications for filling drinks in They are also glass bottles when filled into bottles made of polyethylene terephthalate (PET) suitable.
  • PET polyethylene terephthalate
  • the chain lubricants according to the invention are generally used as 0.1 up to 0.3% by weight aqueous solution or emulsion on the chain conveyor belt. This can, for example, via splash lubrication systems or automatic Belt lubrication systems take place.
  • the compounds of the general formula I are prepared by known processes. It is described, for example, in EP-A 0 754 667, DE-A-19 54 00 91 or DE-A-19 60 76 42 described.
  • the degree of ethoxylation n can be in a mixture for different molecules to be different. Therefore an average value for n is given, which indicates how much Mol of ethylene oxide per mole of compound of general formula (I) is present in the mixture.
  • Examples of such compounds are fatty acid amide ethoxylates with 10 ethylene oxide units and polyethylene glycol dioleate with 12 ethylene oxide units.
  • X is oxygen and R 'is hydrogen or an alkyl radical
  • the compound used is an ethoxylated fatty acid which may be etherified at the end with an alkyl radical.
  • R is preferably a C 12-24 fatty acid residue which may have 1 to 3 CC double bonds.
  • n has a value from 1 to 20.
  • Examples of such compounds are C 16/18 fatty acids esterified with methyl polyethylene glycol.
  • R ' is a radical (O) CR
  • these are polyethylene glycol diesters of fatty acids.
  • R is preferably a C 12-24 fatty acid residue which may have 1 to 3 CC double bonds, and n has an average value of 4 to 20.
  • X is a residue NR '', it is a question of fatty acid amides which have been reacted with ethylene oxide.
  • the nitrogen atom can be reacted at a valence with ethylene oxide.
  • R ′′ is hydrogen.
  • the amide can have a C 1-20 alkyl radical which may be interrupted by 1 to 5 oxygen atoms. It is therefore amides with primary amines, which are reacted with ethylene oxide.
  • Suitable compounds are stearic acid, reacted with methylpolyethylene glycolamine, Isostearic acid, reacted with butylpentaglycolamine, isostearic acid, reacted with butylglycol (5EO) amine, isostearic acid, reacted with Methyl polyethylene glycolamine and fatty acid amide ethoxylates with 10 EO.
  • EO means thereby ethylene oxide units.
  • R '' can be a radical (CH 2 -CH 2 -O-) p R '.
  • both valences of the amide nitrogen atom have the same ethoxylated radicals.
  • R '' can be a residue NH- (CH 2 -) m NR '''. They are therefore fatty acid amides from aliphatic diamines.
  • m has a value of 2 to 10, preferably 2 to 8, in particular 2 to 6,
  • R ''' can be hydrogen or (CH 2 -CH 2 -O-) p R', that is to say the second nitrogen atom can be 2 identical radicals can be substituted.
  • An example of a suitable amine is 2,2-aminoethylaminoethanol.
  • Examples of usable fatty acids are caproic acid, caprylic acid, capric acid, lauric acid, Myristic acid, palmitic acid, stearic acid, arachic acid, behenic acid, Lignoceric acid, lauroleic acid, myrestoleic acid, palmitoleic acid, oleic acid, Gadoleic acid, brucic acid, ricinoleic acid, linoleic acid, linolenic acid, arachidonic acid, Clupanodonic acid, erucic acid and isostearic acid.
  • a linear or branched C 12-24 fatty acid residue which can have 1 to 3 double bonds
  • X is preferably a residue NR ′′
  • n has an average value of 1 to 20.
  • R has the above Meaning
  • R ' is a residue of a mono- or diglyceride, which are further fatty acid residues Residues R or residues of other natural saturated or unsaturated fatty acids can have.
  • the connections are Fatty acid triglycerides, double bonds present in the fatty acid residues such as described above can be epoxidized and reacted.
  • oils which can be used are linseed oil, olive oil, rapeseed oil, sesame oil, soybean oil, sunflower oil, Wheat germ oil, coconut oil, palm kernel oil and turnip oil.
  • Soybean oil is particularly preferably used.
  • oils become more unsaturated Fatty acids used in which the epoxidized double bonds are caused by butyl glycol +3 EO are implemented.
  • the compounds according to the invention can be used both in soap-containing and synthetic Chain lubricants are used.
  • Fatty acid amide ethoxylates as above are preferably used as component A1 described used.
  • Component A1 can usually contain soaps Chain lubricants partially or completely replace existing complexing agents. This applies in particular to the reaction product of isostearic acid and Butylpentaglycolamine and fatty acid amide ethoxylates with 10 EO.
  • EDTA ethylenediaminetetraacetic acid
  • MGDA methylglycinediacetic acid
  • NTA nitrilotriacetic acid
  • Fatty alcohol ethoxylates which can be used as component C1 are, for example, C 13/15 fatty alcohols which have been reacted with 5 to 15, for example 8 EO.
  • the reaction product of C 13 fatty alcohol with 5 to 15, for example 8 EO, is also suitable.
  • Other reaction products made from fatty alcohols and ethylene oxide and / or propylene oxide can also be used.
  • Fatty acids for example isononanoic acid, are used as component D1.
  • Active ingredients can be used as component E1 Active ingredients or foam dampers can be used.
  • Solubilizers are alcohols, polyalcohols, ethers and polyethers, in particular Isopropanol, butyl glycol, butyl diglycol and ethylene glycol ether.
  • Quaternary for example, can be used as non-ionic systems as active biocidal agents Ammonium compounds are used that have at least one long-chain Have alkyl radical. Alkylaminoethylene glycols can also be used.
  • defoamers can also be used other fatty alcohol alkoxylates and carboxylic acid esters used become.
  • Amines are used as component F1, the amount being chosen so that the chain lubricant has an alkaline pH.
  • suitable amines are alkanolamines such as triethanolamine and monoethanolamine.
  • Ether carboxylic acids suitable as component B2 are, for example, oleyl ether carboxylic acid to call.
  • Component C2 can be constructed as above component C1.
  • a fatty amine that can be used as component D2 is, for example, N-oleyl-1,2-diaminopropane.
  • component E2 can be those of component E1 correspond.
  • Lower carboxylic acids in particular can be used as component F2 Carboxylic acids, for example formic acid, acetic acid or propionic acid.
  • the chain lubricants according to the invention generally also contain Water in which they are present as a solution or emulsion. When using it diluted them with water.
  • the compounds of the general Formula I preferably used in combination with oleyl sarcosinate.
  • the chain lubricants according to the invention not only have those listed at the beginning Advantages, they also show particular advantages when rewetting dry-run Tapes. If such tapes run dry with water, so rewetting is very effective so that the coefficient of friction drops sharply. At This effect does not occur in known chain lubricants. So that the invention Chain lubricant essential when used in chain conveyor belts more tolerant of control errors if, for example, the task system closes was switched off for a long time and is put back into operation. While at conventional chain lubricants continue to increase the friction coefficients in this case, what can lead to a failure of the filling system, they decrease in the inventive Chain lubricants immediately after rewetting, so that the Risk of machine failure can be greatly reduced.
  • the above compounds were added in an amount of 2 g to the synthetic chain lubricant or soap-containing chain lubricant.
  • the chain lubricants were tested as follows: In a laboratory chain conveyor belt system was over a period of 120 min. a 0.1% solution of the corresponding chain lubricant is sprayed on. Then a dry run of 30 min. performed without rinsing and then sprayed with water. The coefficients of friction as well as the noise, foam formation, wetting and possible blackness of the chain belt were compared. The belt speed was 10 to 10.2 m / min. The coefficient of friction " ⁇ " was determined as the quotient of the measured tensile stress (pressure) for a bottle by the weight of the bottle in grams. Commercial mineral water bottles with a volume of 750 ml were used as bottles. Otherwise, the rating was based on a grading scale, with grade 1 representing the worst and grade 5 the best result.
  • the above compounds 1 to 6 were in the synthetic chain lubricant examined, using a 0.1% aqueous solution of the chain lubricant has been. For comparison, the synthetic chain lubricant without the additive used.
  • FIG. 1 shows the change in the coefficient of friction as a function of time for the compounds, (4) in graph 3, (5) in graph 4, (1) in graph 2, oleyl sarcosinate as comparison in graph 1 and the comparative agent in graph 5 .
  • R means the coefficient of friction
  • Z the time in minutes.
  • the synthetic chain lubricant was used, but the N-oleyl-1,3-diaminopropane replaced by compound no. 8.
  • the coefficient of friction decreased during the measurement from about 0.144 to 0.138. There was also a better lift of the chain lubricant on the tape and there were better results with the noise and the Chain blackening (i.e. less abrasion and less corrosion).
  • the EDTA was made by 12 g of compound No. 4 replaced. In addition, 2 g of the synthetic chain lubricant Compound No. 4 added. The results of the coefficient of friction measurement are shown in FIG. 2 shown. The coefficient of friction dropped to 0.10.
  • Both chain lubricants show a decrease in the coefficient of friction after Rewetting.
  • the synthetic chain lubricant has a lower coefficient of friction than the soap-containing chain lubricant on both agents showed good results with the Density measurement and a low noise level as well as a low one Foaming.
  • the synthetic chain lubricant formulation was mixed with 2 g of Compound No. 7 transferred.
  • the coefficient of friction was significantly improved by the addition.
  • the EDTA was replaced by 12 g of the compound No. 7 replaced.
  • the friction coefficients of the formulation decreased significantly.
  • the synthetic chain lubricant formulation was mixed with 2 g of compound No. 9. Here, too, there was an improved wind-up behavior during rinsing. Replacing the EDTA in the synthetic chain lubricant formulation with 12 g of compound no. 7 showed a very sharp drop in the coefficient of friction to a value of approximately 0.08. When the tape was rewetted, the coefficient of friction dropped sharply. When oleyl sarcosinate was added or the oleyl ether carboxylic acid was replaced by oleyl sarcosinate, the properties of the chain lubricants were further improved.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
EP98121586A 1997-11-21 1998-11-19 Additif pour lubrifiants pour systèmes de convoyeurs Withdrawn EP0918084A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19751744 1997-11-21
DE19751744A DE19751744A1 (de) 1997-11-21 1997-11-21 Additive für Kettengleitmittel

Publications (2)

Publication Number Publication Date
EP0918084A2 true EP0918084A2 (fr) 1999-05-26
EP0918084A3 EP0918084A3 (fr) 1999-11-17

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Application Number Title Priority Date Filing Date
EP98121586A Withdrawn EP0918084A3 (fr) 1997-11-21 1998-11-19 Additif pour lubrifiants pour systèmes de convoyeurs

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Country Link
EP (1) EP0918084A3 (fr)
DE (1) DE19751744A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10146264A1 (de) * 2001-09-20 2003-04-17 Ecolab Gmbh & Co Ohg Verwendung von O/W-Emulsionen zur Kettenschmierung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3364143A (en) * 1962-03-07 1968-01-16 Swift & Co Method for improving the working properties of metals
US3860521A (en) * 1972-03-20 1975-01-14 Basf Wyandotte Corp Soap based chain conveyor lubricant
US4280915A (en) * 1977-06-23 1981-07-28 Nl Industries, Inc. Salt stable lubricant for water base drilling fluids
US5510045A (en) * 1988-07-14 1996-04-23 Diversey Corporation Alkaline diamine track lubricants
SE467826B (sv) * 1991-01-31 1992-09-21 Berol Nobel Ab Anvaendning av alkoxilerad alkanolamid som friktionsreducerande medel
DE19526501A1 (de) * 1995-07-20 1997-01-23 Basf Ag Hydroxymischether durch Ringöffnung von Epoxiden ungesättigter Fettsäureester mit Polyglykolethern und ihre Verwendung als biologisch abbaubarer Entschäumer
DE19540091A1 (de) * 1995-10-27 1997-04-30 Basf Ag Verwendung von Fettsäurederivaten als Tenside

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DE19751744A1 (de) 1999-05-27

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