EP3234080A2 - Hochtemperaturschmierstoff für die lebensmittelindustrie - Google Patents

Hochtemperaturschmierstoff für die lebensmittelindustrie

Info

Publication number
EP3234080A2
EP3234080A2 EP15804064.2A EP15804064A EP3234080A2 EP 3234080 A2 EP3234080 A2 EP 3234080A2 EP 15804064 A EP15804064 A EP 15804064A EP 3234080 A2 EP3234080 A2 EP 3234080A2
Authority
EP
European Patent Office
Prior art keywords
oil
temperature
group
mixture
food
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.)
Withdrawn
Application number
EP15804064.2A
Other languages
German (de)
English (en)
French (fr)
Inventor
Karl EGERSDÖRFER
Thomas Kilthau
Martin Schmidt-Amelunxen
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.)
Klueber Lubrication Muenchen GmbH and Co KG
Original Assignee
Klueber Lubrication Muenchen SE and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Klueber Lubrication Muenchen SE and Co KG filed Critical Klueber Lubrication Muenchen SE and Co KG
Priority to PL18000086T priority Critical patent/PL3375850T3/pl
Priority to EP18000087.9A priority patent/EP3375851A1/de
Priority to EP18000086.1A priority patent/EP3375850B1/de
Priority to DK18000086.1T priority patent/DK3375850T3/da
Publication of EP3234080A2 publication Critical patent/EP3234080A2/de
Withdrawn legal-status Critical Current

Links

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
    • C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
    • C10M111/04—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a macromolecular organic compound
    • 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
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • 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
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/02—Well-defined hydrocarbons
    • C10M105/06—Well-defined hydrocarbons aromatic
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/32—Esters
    • C10M105/36—Esters of polycarboxylic acids
    • C—CHEMISTRY; METALLURGY
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    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/02—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
    • C10M107/08—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation containing butene
    • C—CHEMISTRY; METALLURGY
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    • C10M109/00—Lubricating compositions characterised by the base-material being a compound of unknown or incompletely defined constitution
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    • C10M113/00—Lubricating compositions characterised by the thickening agent being an inorganic material
    • C10M113/06—Metals; Alloys
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    • C10M115/00—Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof
    • C10M115/08—Lubricating compositions characterised by the thickener being a non-macromolecular organic compound other than a carboxylic acid or salt thereof containing nitrogen
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    • C10M121/00—Lubricating compositions characterised by the thickener being a compound of unknown or incompletely defined constitution
    • C10M121/04—Reaction products
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    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
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    • C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
    • C10M141/06—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic nitrogen-containing compound
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    • C10M169/04—Mixtures of base-materials and additives
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    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/05—Metals; Alloys
    • C10M2201/056—Metals; Alloys used as thickening agents
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    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
    • C10M2201/0626—Oxides; Hydroxides; Carbonates or bicarbonates used as thickening agents
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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
    • C10M2207/127—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 polycarboxylic
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    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02—Pour-point; Viscosity index
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/04—Detergent property or dispersant property
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/08—Resistance to extreme temperature
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/62—Food grade properties
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/76—Reduction of noise, shudder, or vibrations
    • 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
    • C10N2040/08—Hydraulic fluids, e.g. brake-fluids
    • 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
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/04—Aerosols
    • 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
    • C10N2060/00—Chemical after-treatment of the constituents of the lubricating composition
    • C10N2060/02—Reduction, e.g. hydrogenation

Definitions

  • the invention relates to a high-temperature lubricant, in particular a high-temperature oil based on an aromatic ester, such as a trimellitic acid ester and mixtures of various trimellitic acid esters, heteroaromatics, estolides and a fully hydrogenated or hydrogenated polyisobutylene or a mixture thereof.
  • the high-temperature lubricant may be a high-temperature grease when a thickening agent is added to the above-mentioned components.
  • the invention further relates to the use of these high temperature lubricants for lubricating implements used in the processing of food.
  • the lubricants In addition to the lubricating effect, the lubricants must fulfill a variety of other tasks: they must cool, reduce friction, wear and power transmission, protect against corrosion and at the same time have a sealing effect.
  • Conventional lubricants are not suitable for high temperature applications because they are destroyed at high temperatures, for example by oxidation and / or thermal decomposition reactions and polymerizations and their lubricating properties are severely limited. In decomposition reactions, the lubricant becomes volatile in low molecular weight Components split. Their evaporation leads to undesirable viscosity changes, oil loss and excessive vapor formation. This results in a loss of lubricity. Also by polymerization, the lubricants lose their lubricating effect due to the formation of insoluble polymerization products.
  • the lubricants In order to meet the diverse requirements of high-temperature applications, the lubricants must have, among other things, high stability, low friction coefficients and high wear resistance. In order to ensure uniform lubrication even at high temperatures, a liquid lubricant film must remain between metal parts during the entire processing process. Therefore, the lubricant must evaporate only slightly at the maximum processing temperature, form little residue and form as few cracking residues as possible.
  • High processing temperatures often occur during food processing, such as cooking, baking, boiling, roasting, braising, sterilizing, frying and steaming.
  • various tools are used. To lubricate these tools high temperature resistant lubricants are necessary.
  • a food-grade lubricant H1 should be suitable if the lubricant can come into direct or indirect contact with foodstuffs, food and groceries.
  • Preferred applications in the food industry include chains in ovens and other high temperature applications, as well as conveyor hangers, especially trolleys and their bearings. These lubricants are subject to regulatory requirements such as NSF / H1 or NSF / H2 certification.
  • the classification " ⁇ is to be obtained from" incidental food contact "lubricants, which are occasionally technically unavoidable in contact with foodstuffs, but intentional or permanent contact is also possible when using” H1 ". Exclude lubricants.
  • An "H2” classification can produce lubricants that are non-toxic and non-carcinogenic, however, when using "H2" lubricants, any contact with the food must be excluded.
  • the food-compatible lubricants used hitherto have a good oxidation resistance and an acceptable pour point, their residue behavior after complete evaporation does not correspond to the high demands demanded in high-temperature applications.
  • the resulting cracking residues form deposits, which must be removed again after some time. As a rule, the operation of the plant must be stopped and the residue removed or the components replaced.
  • the object of the present invention is to provide a high-temperature oil and a high-temperature grease, which meets the standards of NSF / H1 lubricant and moreover has satisfactory tribological properties.
  • the lubricant should show a good lubricating effect at high temperature over a long period of time.
  • the Vercrackungs Wegwarnote should not be laked, but be redissolvable by fresh oil.
  • the high-temperature lubricant should have a good hydrolytic stability, be resistant to corrosion and wear, and have a good oxidation resistance and adapted to the requirements of low-temperature behavior.
  • a food-compatible high-temperature oil comprising the following components: a) 93.9 to 45 wt .-% of at least one oil selected from the group consisting of a mixture of trimellitic acid tri (iso-Cio) ester (1) and Trimellitic acid tri (iso-Ci3) ester (2), wherein the mixing ratio of (1) to (2) at 99: 1 to 1: 99, alkylaromatics, preferably aliphatically substituted naphthalene, estolides;
  • additives individually or in combination, selected from the group consisting of corrosion protection additives, antioxidants, anti-wear additives, UV stabilizers, inorganic or organic solid lubricants.
  • the food-grade high-temperature fat comprises: a) 91, 9 to 30 wt .-% of at least one oil selected from the group consisting of a mixture of trimellitic acid tri (iso-Cio) ester (1) and trimellitic tri (iso-C 3) ester (2), wherein the mixing ratio of (1) to (2) at 99: 1 to 1: 99, alkylaromatics, preferably aliphatically substituted naphthalene, estolides; b) 6 to 45% by weight of a polymer, namely a hydrogenated or fully hydrogenated polyisobutylene or a mixture of hydrogenated or fully hydrogenated polyisobutylene;
  • additives 0, 1 to 5 wt .-% of additives, individually or in combination, selected from the group consisting of anti-corrosion additives, antioxidants,
  • Wear protection additives UV stabilizers, inorganic or organic solid lubricants and
  • the high-temperature oil according to the invention and the high-temperature fat according to the invention are both suitable for an H1 classification and are distinguished by outstanding performance.
  • the high-temperature oil or high-temperature grease according to the invention exhibits high thermal stability combined with a long service life and good lubricating properties.
  • the high-temperature oil of the present invention and the high-temperature fat of the present invention comprise as an ester compound a trimellitic acid ester or a mixture of various trimellitic acid esters, wherein the alcoholic group of the ester is a linear or branched alkyl group having 8 to 16 carbon atoms.
  • the properties of the lubricant for example the viscosity, the viscosity-temperature behavior, the oxidation resistance and residue behavior can be adjusted.
  • the aromatic ester comprises a sterically hindered alcohol as alcohol component, preferably an alcohol having 8 to 16 carbon atoms, in particular 10 to 13 carbon atoms, in particular trimellitic tri (iso-Cio) ester (1) and trimellitic acid tri (iso-Ci3) ester (2).
  • the mixing ratio of (1) to (2) is 99: 1 to 1:99, particularly preferred is the mixing ratio of (1): (2) of 87, 12.
  • the high-temperature oil according to the invention or the high-temperature fat according to the invention may contain a second oil which comprises an aromatic. 02323
  • an aromatic means a monocyclic, bicyclic or tricyclic ring system having four to fifteen carbon atoms, the monocyclic ring system being aromatic or at least one of the rings being aromatic in a bi- or tricylic ring system.
  • a bicyclic ring system which preferably has 10 carbon atoms.
  • the aromatic is substituted with one or more aliphatic substituents.
  • the aromatic is particularly preferably substituted by one to four aliphatic substituents and in particular by two or three aliphatic substituents.
  • An alkyl group according to the invention is a saturated aliphatic hydrocarbon group having 1 to 30, preferably 3 to 20, more preferably 4 to 17 and especially 6 to 15 carbon atoms.
  • An alkyl group may be linear or branched and is optionally substituted with one or more of the abovementioned substituents.
  • the viscosity, measured at 40 ° C, of the aliphatically substituted naphthalene is preferably 30 to 600 mm 2 / s, more preferably 30 to 300 m 2 / s.
  • estolides can also be used as component a). Preferred viscosities, measured at 40 ° C are between 30 and 500 mm / sec. Viscosities of 30 to 140 mm 2 / sec are particularly preferred.
  • Estolides are ester compounds which are acid or enzymatically catalyzed from fatty acids, preferably oleic acid or dicarboxylic acids. The acid function attacks the double bond of an adjacent fatty acid molecule, resulting in a higher molecular weight ester compound. The terminal acid group is then usually esterified with an alcohol, preferably 2-ethyl-hexanol and then the remaining double bonds are hydrogenated or esterified with carboxylic acid, for example acetic acid. Other alcohols such as isoamyl alcohol or Guebert alcohols are also conceivable for the esterification of the terminal acid group.
  • estolides can also be obtained via a condensation of hydroxycarboxylic acids, e.g. Oleic acid or stearic acid derivatives are synthesized.
  • the chain length of the hydroxycarboxylic acids or unsaturated acids used can range from C6 to C54.
  • the acids may contain other functional groups e.g. Amines, ethers, containing sulfur-containing groups.
  • an esterification with alpha-olefins or ß-Farnesen is conceivable.
  • the high-temperature oil or high-temperature grease according to the invention furthermore comprises a polyisobutylene.
  • a polyisobutylene By suitable choice of the polyisobutylene, in particular with regard to the degree of hydrogenation and molecular weight, the properties of the oil and fat according to the invention, for example their kinematic viscosity, can be influenced in a desired manner.
  • the polyisobutylene can be used in hydrogenated or fully hydrogenated form, as well as a mixture of hydrogenated and fully hydrogenated polyisobutylene can be used. Fully hydrogenated polyisobutylenes are preferably used.
  • the polyisobutylene is present in an amount of 6 to 45 wt .-% in the composition, preferably 10 to 45 wt .-%, in particular 15 to 45 wt .-% are used. According to a further preferred embodiment, the polyisobutylene has a number average molecular weight of 115 to 10,000 g / mol, preferably from 160 to 5000 g / mol.
  • the high-temperature oil or high-temperature grease according to the invention comprise further from 0.1 to 5 wt .-%, additives which are used individually or in combination and are selected from the group consisting of anti-corrosion additives, antioxidants, anti-wear additives, UV stabilizers, inorganic or organic solid lubricants.
  • the high-temperature fat according to the invention further comprises a thickener.
  • the thickening agent in the high-temperature grease of the lubricant composition according to the invention is either a reaction product of a diisocyanate, preferably 2,4-diisocyanatotoluene, 2,6-diisocyanatotoluene, 4,4'-diisocyanatodiphenylmethane, 2,4'-diisocyanatophenylmethane, 4,4'-diisocyanatotoluene.
  • AI complex soaps is selected from AI complex soaps, metal soaps of the elements of the first and second main groups of the periodic system, metal complex soaps of elements of the first and second main group of the Periodic Table, bentonites, sulfonates, silicates, aerosil, polyimides or PTFE or a mixture of the foregoing thickener.
  • the additives used have a H1 classification.
  • the addition of antioxidants can reduce or even prevent the oxidation of the oil or fat according to the invention, in particular when it is used. Oxidation can lead to undesirable free radicals and, as a result, decomposition reactions of the high-temperature lubricant can occur.
  • the addition of antioxidants turns the high-temperature oil or grease stabilized.
  • antioxidants according to the invention are the following food-compatible compounds:
  • diaromatic amines diaromatic amines, phenolic resins, thiophenol resins, phosphites, butylated hydroxytoluene, butylated hydroxyanisole, phenyl-alpha-naphthylamine, phenyl-naphthylamine, octylated / butylated diphenylamine, di-alpha-tocopherol, di-tert-butylphenyl, benzenepropanoic acid and mixtures thereof components.
  • IRGANOX ® 1010 (benzene propanoic acid, 3,5-bis (1, 1-dimethylethyl) -4-hydroxy-2,2-bis [[3- [3,5-bis (1, 1-dimethylethyl) -4-hydroxyphenyl] -1-oxopropoxy] methyl] -1, 3-propanediyl ester;
  • IRGANOX ® L06 alkylated phenyl-alpha-naphthylamine or N-
  • IRGANOX ® L01 diphenylamine dioctyliertes
  • IRGANOX ® L57 mixture of alkylated diphenylamines
  • IRGANOX® L150 mixture of high molecular weight amine and phenolic antioxidants
  • IRGANOX ® L64 (mixture of mono- and dialkyl butyl / octyl diphenylamine); IRGANOX ® 1035; (Mixture of thiodiethylenebis (3,5-di-tert-butyl-4-hydroxyhydrocinnamate);
  • IRGANOX® L101 (mixture consisting of tetrakis [methylene-3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate] methane);
  • IRGANOX ® L109 (benzene propanoic acid, 3,5-bis (1, 1-dimethyl) -4-hydroxy-1, 6-
  • IRGANOX ® L115 (benzene propanoic acid, 3,5-bis (1, 1-dimethylethyl) -4-hydroxy-, thiodi- 2, 1- ethanediyl);
  • IRGANOX® E201 liquid DL-alpha-tocopherol, 2H-1-benzopyran-6-ol, 3,4- dihydro-2,5,7,8-tetramethyl-2- (4,8,12-trimethyltridecyl);
  • IRGAFOS ® 168 (mixture containing tris (2,4-di-tert-butylphenyl) phosphate);
  • ADDITIN ® RC7130 N-phenyl-1-naphthylamine
  • Na-LUBE ® A0142 liquid diphenylamine-based antioxidant
  • VANLUBE ® 961 (mixture of octylated and butylated diphenylamine, or
  • VANLUBE ® PCX mixture containing 1-hydroxy-4-methyl-2-6-di-tert-butylbenzene); Hexamethylene bis (3,5-di-tert-butyl-4-Hydroxyhydrocinnamt);
  • the high temperature oil or grease may contain corrosion inhibiting additives, metal deactivators or ion complexing agents.
  • corrosion inhibiting additives metal deactivators or ion complexing agents.
  • These include triazoles, imidazolines, N-methylglycine (sarcosine), benzotriazole derivatives, N, N-bis (2-ethylhexyl) -ar-methyl-H-benzotriazole-1-methanamine; N-methyl-N (1-oxo-9-octadecenyl) glycine, mixture of phosphoric acid and mono- and Diisooctylester reacted with (Cn-u) - alkylamines, mixture of phosphoric acid and mono- and Diisooctylester reacted with tert-alkylamine and primary ( Ci2-14) amines, dodecanoic acid, triphenyl phosphorothionate and amine phosphates.
  • IRGAMET ® 39 IRGACOR ® DSS G, amine O; Sarkosyl O ® (Ciba), COBRATEC ® 122, CUVAN ® 303, VANLUBE ® 9123, CI-426, CI-426EP, Cl- 429 and CI-498th
  • anti-wear additives are amines, amine phosphates, phosphates, thiophosphates, phosphorothionates and mixtures of these components.
  • anti-wear additives include IRGALUBE ® TPPT, IRGALUBE ® 232, IRGALUBE ® 349, IRGALUBE ® 211 and ADDITIN ® RC3760 Liq 3960, FIRC-shun ® FG 1505 and FG 1506 NA-LUBE ® KR 015FG, LUBEBOND ®, FLUORO ® FG, SYNALOX ® 40-D, ACHESON FGA ® 1820 and ACHESON ® FGA 1810th
  • the oil or the fat may contain food-grade solid lubricants such as PTFE, BN, Na pyrophosphate, Zn oxide, Mg oxide, Zn pyrophosphate, Na thiosulfate, Mg carbonate, Ca
  • the high-temperature oil or fat according to the invention may contain, as another food-compatible base oil, an oil, preferably selected from the group consisting of mineral oil, aliphatic carboxylic acid and dicarboxylic acid esters, fatty acid triglycerides and / or poly-alpha-olefins.
  • an oil preferably selected from the group consisting of mineral oil, aliphatic carboxylic acid and dicarboxylic acid esters, fatty acid triglycerides and / or poly-alpha-olefins.
  • the high temperature oil or fat according to the invention contains an estolide, preferably the main constituents of the estolide being obtained by chemical or enzymatic processes starting from native oils from the group of sunflower oil, rapeseed oil, castor oil, linseed oil, corn oil, diest oil, soybean oil, linseed oil , Peanut oil, "Lesqueralle” oil, palm oil, olive oil or mixtures of the aforementioned oils.
  • native oils from the group of sunflower oil, rapeseed oil, castor oil, linseed oil, corn oil, diest oil, soybean oil, linseed oil , Peanut oil, "Lesqueralle” oil, palm oil, olive oil or mixtures of the aforementioned oils.
  • the high-temperature oil or fat according to the invention due to its physical and chemical properties, can be used excellently for lubricating working devices for processing foodstuffs. Due to its good temperature resistance, it can also be used at high use temperatures up to 260 ° C, preferably at temperatures of 150 to 250 ° C, e.g. Chains in ovens.
  • the invention further relates to a process for the preparation of the high-temperature oil or fat described above, in which the base oils and the additives are mixed together.
  • trimellitic acid esters Two trimellitic acid esters are placed in a stirred tank. At 100 ° C, the polyisobutylene and optionally a further oil is added with stirring. Subsequently, the mixture is stirred for 1 h to obtain a homogeneous mixture. The anti-wear agents and the antioxidant are added to the kettle at 60 ° C with stirring. After about 1 hour, the finished oil can be filled into the containers provided.
  • Table 1 shows the compositions of the high temperature oils and the redissolvability of the oil residue after complete evaporation of the oil, depending on the added amount of polyisobutylene.
  • Polyisobutylene 24.41 22.0 19.53 17, 1 14.63 12.2 9.76
  • Examples 8 to 10 show, in comparison with Comparative Examples 1 to 3, the excellent properties of the food grade high temperature oil of the present invention in view of solubility when different components a) are used as the oil.
  • composition of the oils (all data are in% by weight)
  • Table 5 below describes the food-compatible high-temperature fats according to the invention by way of example.
  • Estolid 1 0.0 38.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0
  • Estolid 2 0.0 25.6 0.0 0.0 0.0 0.0 0.0 0.0 alkylated naphthalene 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 fully hydrogenated PIB 25.0 25.0 25 0 25.0 25.0 25.0
  • Antioxidant 1 0 1, 0 1, 0 1, 0 1, 0 1, 0 1, 0
  • Example 11 to 16 Li complex (Examples 11 and 12), Al complex (Ex. 13), bentonite (Ex. 14), Ca single (Ex. , Li-Simple (Ex. 16) and Urea (Ex.17).
  • solubility of the residues not only depends on the degree of hydrogenation of the polyisobutylene, but also on the mixing ratio of the two esters. Both esters must be used in combination to ensure the H1 capability of the high temperature oil.
  • the mixing ratios are freely selectable, starting from a 1: 1 mixture begin the preferred areas. Particularly preferred is the ratio of 87, 12
  • the above-described food grade high temperature oils and high temperature greases can also be used to lubricate implements which are subject to similar lubricant requirements. These include the cosmetics and pharmaceutical industries as well as the animal feed industry. With regard to the food industry, the high-temperature lubricants according to the invention can be used for lubricating implements in food processing, as hydraulic oils for the food industry, for transport and timing chains in the food industry, and for devices for the processing of cereals, flour and animal feed and for ovens.

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Metallurgy (AREA)
  • Lubricants (AREA)
EP15804064.2A 2014-12-17 2015-11-19 Hochtemperaturschmierstoff für die lebensmittelindustrie Withdrawn EP3234080A2 (de)

Priority Applications (4)

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PL18000086T PL3375850T3 (pl) 2014-12-17 2015-11-19 Wysokotemperaturowy środek smarowy dla przemysłu spożywczego
EP18000087.9A EP3375851A1 (de) 2014-12-17 2015-11-19 Hochtemperaturschmierstoff für die lebensmittelindustrie
EP18000086.1A EP3375850B1 (de) 2014-12-17 2015-11-19 Hochtemperaturschmierstoff für die lebensmittelindustrie
DK18000086.1T DK3375850T3 (da) 2014-12-17 2015-11-19 Højtemperatursmøremiddel til fødevareindustrien

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PCT/EP2015/002323 WO2016096075A2 (de) 2014-12-17 2015-11-19 Hochtemperaturschmierstoff für die lebensmittelindustrie

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KR20170083612A (ko) 2017-07-18
KR101931511B1 (ko) 2019-03-13
BR112017012562B1 (pt) 2022-04-05
JP2017538840A (ja) 2017-12-28
DE102014018719A1 (de) 2016-06-23
DK3375850T3 (da) 2022-01-17
EP3375850B1 (de) 2021-10-27
US20170321143A1 (en) 2017-11-09
CN107001968B (zh) 2020-07-17
PL3375850T3 (pl) 2022-01-31
WO2016096075A2 (de) 2016-06-23
JP6400211B2 (ja) 2018-10-03
BR112017012562A2 (pt) 2018-01-02
CN107001968A (zh) 2017-08-01
EP3375850A1 (de) 2018-09-19
WO2016096075A3 (de) 2016-09-01
EP3375851A1 (de) 2018-09-19
ES2901414T3 (es) 2022-03-22

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