EP0629234B2 - Lubrifiants pour bandes transporteuses commandees par chaine et leur utilisation - Google Patents

Lubrifiants pour bandes transporteuses commandees par chaine et leur utilisation Download PDF

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Publication number
EP0629234B2
EP0629234B2 EP93904003A EP93904003A EP0629234B2 EP 0629234 B2 EP0629234 B2 EP 0629234B2 EP 93904003 A EP93904003 A EP 93904003A EP 93904003 A EP93904003 A EP 93904003A EP 0629234 B2 EP0629234 B2 EP 0629234B2
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EP
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Prior art keywords
lubricants
carbon atoms
water
weight
saturated
Prior art date
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German (de)
English (en)
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EP0629234B1 (fr
EP0629234A1 (fr
Inventor
Werner Strothoff
Birgit Winkemann
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Ecolab GmbH and Co oHG
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Henkel AG and Co KGaA
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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
    • 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
    • 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
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/02—Water
    • 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
    • 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
    • C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less 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
    • 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
    • C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • C10M2207/122—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms monocarboxylic
    • 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
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • 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
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/26—Amines
    • 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
    • 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
    • C10N2040/30—Refrigerators lubricants or compressors lubricants
    • 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
    • C10N2040/32—Wires, ropes or cables lubricants
    • 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 present invention relates to clear water soluble Containing chain conveyor lubricant amphoteric compounds of general Formula (I) and organic carboxylic acids and optionally Water and additives and / or auxiliaries.
  • the invention further relates to the use such combinations of lubricants as chain conveyor lubricants in the food industry.
  • inventive Lubricant here use for lubrication Cleaning and disinfecting automatic Chain conveyor belt systems used during filling of food, preferably beverages, in Glass and plastic bottles, cans, glasses, barrels, Beverage container (KEG), paper and cardboard containers and the like can be used.
  • KEG Beverage container
  • Containers In bottle cellars and barrel cellars of beverage companies as well as when filling food are used for the transportation of the appropriate Containers are usually plate conveyor belts or chain conveyor belts used with suitable aqueous lubricant preparations over Dip lubrication systems or automatic Belt lubrication systems lubricated and kept clean become.
  • the chain lubricants previously used as lubricants are based on fatty acids in Form of their water-soluble alkali or alkanolamine salts or on fatty amines in the form of their organic or inorganic salts.
  • DE-A-23 13 330 describes side-based lubricants which contain aqueous mixtures of C 16 -C 18 fatty acid salts and surface-active substances.
  • side-based lubricants are otherwise mainly based on used by primary fatty amines DE-A-36 31 953 a method for lubrication of chain-shaped bottle conveyor belts in Bottling plants, especially in breweries, and to clean the tapes using a liquid detergent, which is characterized is that you have the chain-shaped bottle conveyor belts with belt lubricants based neutralized primary fatty amines, the preferred Have 12 to 18 carbon atoms and an unsaturated Contain more than 10%, lubricates and the bottle conveyor belts with cationic Cleaning mine, namely quaternary Ammonium compounds such as alkyltrimethylammonium, Dialkyldimethylammonium and alkyldimethylbenzylammonium chlorides or organic Acids cleanses.
  • quaternary Ammonium compounds such as alkyltrimethylammonium, Dialkyldimethylammonium and alkyldimethylbenzylammonium chlorides or organic Acids cleanses.
  • DE-A-38 31 448 finally relates to aqueous, clear water-soluble, soap-free lubricant preparations, a process for their manufacture and the use of the lubricant preparations according to the invention, especially as a lubricant for transporting glass bottles or polyethylene terephthalate bottles.
  • the essentially neutral aqueous lubricant preparations (pH in the range from 6 to 8) contain alkylbenzenesulfonates, alkoxylated alkanol phosphates and alkane carboxylic acids, if necessary in addition to usual solubilizers, Solvents. Defoamers and disinfectants.
  • the present invention is therefore the object based on new, improved lubricant preparations, in particular clear water-soluble chain conveyor lubricants, to provide that do not have the disadvantages of the prior art.
  • Such lubricants are said to be both good friction, so an excellent one Lubricating effect, low foaming behavior, a good cleaning effect and if possible one have good microbicidal activity.
  • amphoteric surfactant and organic carboxylic acid became a chain conveyor lubricant with excellent Get properties.
  • the lubricating effect with Coefficient of friction of ⁇ was less than or equal to 0.12 compared to the amphoteric compounds alone clearly improved.
  • the setting of a skin pH of the application solution is possible.
  • the invention Chain conveyor belt lubricants are independent on water quality. At usual use concentrations are the lubricant combinations only slightly foaming. Particularly good ones Properties were used when assessing the emergency running properties observed. The ingredients are readily biodegradable and have a good cleaning effect on.
  • the lubricant combinations according to the invention are used in the beverage industry in contrast to the chain lubricants previously used both regardless of water quality as well as low foam, stable in storage at depths Temperatures, non-corrosive and special environmentally and skin compatible.
  • radical R which in the sense of the present invention using compounds of the general formula (I) can be one of the following as radical R: mentioned alkyl radicals contain: hexyl, heptyl, octyl, Nonyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl Pentadecyl, hexadecyl, heptadecyl, octadecyl, Nonadecyl, Eicosyl, Heneicosyl or Docosyl. They come in the same way corresponding mono- or polyunsaturated Residues or the corresponding branched Isomers in question. According to the invention such compounds are preferred of the general formula (I), which is the radical R a straight chain, saturated or unsaturated Alkyl radical with 8 to 18 carbon atoms, especially with 10 to 18 carbon atoms.
  • the index "n” in the general formula (I) means an integer ranging from 1 to 6.
  • M is hydrogen or an alkali metal atom, being used as alkali metals Sodium or potassium, especially sodium, preferably come into question.
  • organic carboxylic acid (s) is less critical as long as the clear water solubility ensured under the given circumstances is. Accordingly, there is a preferred one Embodiment of the present invention in that the organic carboxylic acid is selected from Acetic acid, citric acid and glycolic acid, where acetic acid is of particular importance.
  • the chain conveyor belt lubricant contain 0.01 to 95% by weight of the prebindings of the general formula (I) and 5 to 50 wt.% dor organic carboxylic acids. So it is possible that the chain conveyor lubricant in this Form can be obtained anhydrous. In a particularly preferred embodiment of the present invention contain the chain conveyor belt lubricants 5 to 25% by weight of the compounds of the general formula (I) and 10 to 15% by weight of the organic carboxylic acids. As additional ingredients of the invention Chain conveyor lubricants come alongside Water optionally further additional and / or Excipients in question.
  • Lubricant combinations come first secondary and / or tertiary amines and / or Salts of such amines into consideration as in the DE-A-39 05 548 described above are.
  • inventive Lubricants also include N-fatty alkyl beta aminopropionates included as in the above cited US-A-3,574,100.
  • connection is also EP-A-0 372 628, in which also corresponding N-alkyl aminocarboxylic acids in broader Form to be revealed.
  • Such connections too may come as additives for the lubricants of the invention in question.
  • the amount of such additives, if any the lubricants according to the invention can usually be added to the Range from 0 to 10 wt .-%, preferably in Range from 1 to 5 wt .-%, each based on the overall wording.
  • alcohols, Polyalcohols, ethers or polyethers in particular Isopropanol, butyl glycol, butyl diglycol or ethylene glycol ether.
  • the amount of to use Solubilizer is used in individual cases the betaine used, the specialist is in In individual cases the required amount of solubilizer determine by trying.
  • additions to solution brokers in the field from 1 to 20% by weight. based on the overall formulation, sufficient.
  • auxiliary substances within the meaning of the present invention are also anionic or nonionic surfactants, for example alkoxylated fatty amines, fatty alcohols, alkoxylated fatty alkols, but also alkylbenzenesulfonates soluble in hydrophilic solvents.
  • surfactants can improve the wetting of the chains and plate conveyor belts, should this be necessary in individual cases.
  • surfactant additives in the range from 1 to 10% by weight, based on the total formulation, are sufficient for this.
  • Nonionic surfactants are preferred, preferably fatty alcohol / ethylene oxide / propylene oxide adducts, in particular C 12/14 fatty alcohol-5EO-4PO- Adducts.
  • Biocidal active substances are also suitable as further auxiliaries for the purposes of the present invention.
  • quaternary ammonium compounds QAC
  • QAC quaternary ammonium compounds
  • Cocasalkyl-dimethyl-benzyl-ammonium chloride may be mentioned here by way of example (DODIGEN R 226. Commercial product from Bayer AG).
  • DODIGEN R 226 Commercial product from Bayer AG.
  • compounds of the alkyl-aminoethylene-glycine type which have an alkyl radical with 6 to Have 22 carbon atoms, in particular 10 to 16 carbon atoms, and preferably two aminoethylene groups.
  • Such types of compounds are also called TEGO ampholytes and are, for example, commercial products from Goldschmidt AG.
  • An example is [N-dodecyl-bis (aminoethylene)] - N'-glycine. (TEGO R 51B, Goldschmidt AG).
  • biocidal active ingredients are generally added to the lubricants according to the invention in amounts of 0 to 10% by weight, in particular in amounts of 1 to 5% by weight, based in each case on the total formulation.
  • Lubricants as other auxiliary substances too Defoamers can be added.
  • the lubricant combinations according to the invention have a pH in the range from 3 to 6. If the pH of the Chain conveyor belt lubricant not already in this range, he can by adding a Acid, preferably an organic carboxylic acid, as defined above, for example with acetic acid set to the desired value become.
  • a Acid preferably an organic carboxylic acid, as defined above, for example with acetic acid set to the desired value become.
  • the lubricant combinations a dynamic viscosity of less than 300 mPa.s, especially less than 150 mPa.s and particularly preferred in the range from 5 to 100 mPa.s - each at 20 ° C.
  • a separate adjustment of the viscosity the stated values are generally not required or, if necessary, by addition appropriate amounts of the preferred diluent Water or a solubilizer.
  • lubricants according to the invention not exclusively from compounds of the general Formula (I) and organic carboxylic acids consist of simple mixing these components with water, if necessary with the addition of the additional and / or Auxiliary materials.
  • the present invention relates the use of chain conveyor lubricants of the type described above Lubricant in the food industry, in particular for automatic chain conveyor systems.
  • the Chain conveyor belt lubricant according to the invention generally still diluted with water. Contain such aqueous application solutions in the shelf 0.01 to 1 wt .-% of compounds of the general formula (I), preferably 0.01 to 0.2% by weight and in particular 0.02 to 0.04% by weight of such connections.
  • the ones to be used Amounts of organic carboxylic acid result by simply converting the quantities the concentrates from the amount of compounds of the general formula (I).
  • PET polyethylene terephthalate
  • PC polycarbonate
  • the present invention is illustrated by the following Examples explained in more detail.
  • the invention Examples 1 to 9 show formulations of lubricant concentrates as well as various application data with the corresponding dilute aqueous application solutions were determined, these application solutions the respective concentrates in a quantity of 0.4 wt .-% contained. Further explanations to the respective application technology Data - frictional resistance. Foaming behavior. Clear water solubility and emergency dew time - can be found below.
  • the comparative examples serve for comparison 1 to 5.
  • the coefficient of friction should be sufficient Lubrication is less than 0.15 of 0.15 leaves the lubrication and thus the perfect transportation significantly.
  • the clear water solubility of the application solutions should also be used over a longer trial period be guaranteed to keep deposits in Ball valve filters, nozzles, spray and distribution system, Avoid belt and cargo. This was done a 0.4 wt .-% solution in 16 ⁇ d water stored for 72 h and then assessed visually.
  • the foam development should be low because Excessive foam doesn't just work (automatic bottle inspector) and occupational safety (Danger of slipping), but beyond also soften the label and put it in that unclosed vessels can penetrate. In addition the coefficient of friction becomes due to excessive foaming tendency worsened.
  • a low level of foaming is an advantage because it is a better one Distribution of the lubricant on the conveyor belts conditionally.

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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)
  • Belt Conveyors (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Chain Conveyers (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Forging (AREA)

Claims (9)

  1. Agents lubrifiants pour bande de transport commandée par chaíne, solubles dans l'eau clarifiée qui possèdent une valeur de pH allant de 3 à 6 contenant en combinaison :
    a) de 0,01 à 95 % en poids d'au moins un ou plusieurs composés de formule générale I,
    Figure 00190001
    dans laquelle :
    R
    représente un radical alkyle saturé ou une fois ou plusieurs fois non saturé, linéaire ou ramifié ayant de 6 à 22 atomes de carbone,
    M
    représente de l'hydrogène, un métal alcalin, de l'ammonium, un radical alkyle ayant de 1 a 4 atomes de carbone, ou un radical benzyle, et
    n
    représente un nombre entier dans la zone de 1 à 6.
    b) de 5 à 50 % en poids d'au moins un acide carboxylique organique choisi parmi les acides carboxyliques monobasiques ou pluribasiques, saturés ou une fois ou plusieurs fois, non saturés ayant de 2 à 22 atomes de carbone,
    c) le cas échéant de l'eau et des additifs et/ou des adjuvants.
  2. Agents lubrifiants selon la revendication 1,
    caractérisés en ce que
    n représente 2 ou 3, en particulier 2.
  3. Agents lubrifiants selon la revendication 1 ou 2,
    caractérisés en ce que
    R dans la formule générale (I) représente un radical alkyl à chaíne droite, saturé ou non saturé ayant de 8 à 18 atomes de carbone, en particulier 10 a 18 atomes de carbone.
  4. Agents lubrifiants selon l'une des revendications 1 à 3,
    caractérisés en ce que
    l'acide carboxylique est choisi parmi l'acide acétique, l'acide citrique et l'acide glycolique, de préférence l'acide acétique.
  5. Agents lubrifiants selon l'une ou plusieurs des revendications 1 à 4,
    contenant de 5 à 25 % en poids des composés de formule générale (I) et de 10 à 15 % en poids d'acide organique carboxylique.
  6. Agents lubrifiants selon l'une ou plusieurs des revendications 1 a 5,
    caractérisés en ce qu'
    ils renferment comme adjuvants, des agents solubilisants, des agents tensioactifs non ioniques ou anioniques, des biocides et/ou des agents antimousse.
  7. Agents lubrifiants selon la revendication 6,
    caractérisés en ce qu'
    ils renferment comme biocides des dérivés d'ammonium quaternaires et/ou des alkylaminoéthylène-glycines.
  8. Agents lubrifiants selon l'une ou plusieurs des revendications 1 a 7,
    caractérisés en ce qu'
    ils possèdent une viscosité dynamique de moins de 300 mPa.s, en particulier dans la zone de 5 a 100 mPa.s, chaque fois à 20°C.
  9. Utilisation des agents lubrifiants selon l'une ou plusieurs des revendications 1 à 8, comme agent lubrifiant pour chaíne dans l'industrie des denrées alimentaires, en particulier pour les installations automatiques de bande de transport commandée par chaíne de préférence sous forme de solutions d'utilisation aqueuses diluées.
EP93904003A 1992-03-02 1993-02-22 Lubrifiants pour bandes transporteuses commandees par chaine et leur utilisation Expired - Lifetime EP0629234B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4206505 1992-03-02
DE4206505 1992-03-02
PCT/EP1993/000412 WO1993018120A1 (fr) 1992-03-02 1993-02-22 Lubrifiants pour bandes transporteuses commandees par chaine et leur utilisation

Publications (3)

Publication Number Publication Date
EP0629234A1 EP0629234A1 (fr) 1994-12-21
EP0629234B1 EP0629234B1 (fr) 1995-11-15
EP0629234B2 true EP0629234B2 (fr) 2000-01-26

Family

ID=6453015

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93904003A Expired - Lifetime EP0629234B2 (fr) 1992-03-02 1993-02-22 Lubrifiants pour bandes transporteuses commandees par chaine et leur utilisation

Country Status (16)

Country Link
US (1) US6372698B1 (fr)
EP (1) EP0629234B2 (fr)
JP (1) JPH07504451A (fr)
AT (1) ATE130360T1 (fr)
AU (1) AU662604B2 (fr)
BR (1) BR9306004A (fr)
CA (1) CA2131388C (fr)
CZ (1) CZ209694A3 (fr)
DE (1) DE59300966D1 (fr)
DK (1) DK0629234T4 (fr)
ES (1) ES2079965T5 (fr)
FI (1) FI943995A (fr)
NO (1) NO942135D0 (fr)
RU (1) RU94041745A (fr)
SK (1) SK103694A3 (fr)
WO (1) WO1993018120A1 (fr)

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EP3508563A1 (fr) 2001-09-20 2019-07-10 Ecolab USA Inc. Utilisation d'émulsions huile / eau destinée à la lubrification de chaînes

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DE19942536A1 (de) 1999-09-07 2001-03-08 Henkel Ecolab Gmbh & Co Ohg Verwendung von Schmiermitteln auf Polysiloxan-Basis
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Also Published As

Publication number Publication date
EP0629234B1 (fr) 1995-11-15
BR9306004A (pt) 1997-10-21
AU662604B2 (en) 1995-09-07
SK103694A3 (en) 1995-02-08
DK0629234T4 (da) 2000-12-04
RU94041745A (ru) 1996-08-10
JPH07504451A (ja) 1995-05-18
ES2079965T3 (es) 1996-01-16
EP0629234A1 (fr) 1994-12-21
WO1993018120A1 (fr) 1993-09-16
ATE130360T1 (de) 1995-12-15
US6372698B1 (en) 2002-04-16
CA2131388A1 (fr) 1993-09-16
DE59300966D1 (de) 1995-12-21
NO942135D0 (no) 1994-06-08
FI943995A0 (fi) 1994-08-31
DK0629234T3 (da) 1996-03-25
FI943995A (fi) 1994-08-31
CA2131388C (fr) 2002-07-23
ES2079965T5 (es) 2000-04-01
AU3498493A (en) 1993-10-05
NO942135L (fr) 1994-06-08
CZ209694A3 (en) 1994-12-15

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