EP0879872A1 - Composition d'huile lubrifiante formée par un polyester de sucre biodégradable et non-toxique - Google Patents
Composition d'huile lubrifiante formée par un polyester de sucre biodégradable et non-toxique Download PDFInfo
- Publication number
- EP0879872A1 EP0879872A1 EP98401184A EP98401184A EP0879872A1 EP 0879872 A1 EP0879872 A1 EP 0879872A1 EP 98401184 A EP98401184 A EP 98401184A EP 98401184 A EP98401184 A EP 98401184A EP 0879872 A1 EP0879872 A1 EP 0879872A1
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- EP
- European Patent Office
- Prior art keywords
- sugar
- composition according
- polyester
- derived
- sorbitol
- 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.)
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- 239000000203 mixture Substances 0.000 title claims abstract description 31
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- 231100000252 nontoxic Toxicity 0.000 title claims abstract description 7
- 230000003000 nontoxic effect Effects 0.000 title claims abstract description 7
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- 230000001681 protective effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- DCXXMTOCNZCJGO-UHFFFAOYSA-N tristearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 150000008496 α-D-glucosides Chemical class 0.000 description 1
Images
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
- 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
- C10M169/04—Mixtures of base-materials and additives
-
- 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
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/38—Esters of polyhydroxy compounds
-
- 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
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/40—Esters containing free hydroxy or carboxyl groups
-
- 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
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
-
- 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
- C10M2207/28—Esters
- C10M2207/287—Partial esters
- C10M2207/289—Partial esters containing free hydroxy groups
- C10M2207/2895—Partial esters containing free hydroxy groups used as base material
-
- 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/12—Polysaccharides, e.g. cellulose, biopolymers
- C10M2209/123—Polysaccharides, e.g. cellulose, biopolymers used as base material
-
- 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
- C10N2030/62—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
- C10N2030/64—Environmental friendly compositions
-
- 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
Definitions
- the present invention relates to new lubricants for product development materials for biologically living organisms.
- Such compositions are free of toxicity, biodegradable and have excellent rheological and tribological properties.
- These new lubricating compositions have as base oil and as thickener one or more sugar esters.
- oils are used animal and vegetable, as well as liquid paraffin, as a lubricating oil used for bearings, mechanisms, sliding guide surfaces, pressure systems in oil, and in compressors in food processing machines.
- paraffin oils are not very lubricating and could contain traces of aromatic compounds capable of restoring their biological safety in question.
- the present invention is the result of research for the design of non-toxic and biodegradable lubricating oils with excellent properties during use in processing machines of products intended for living organisms.
- sugar esters have various superior properties compared to that of animal oils or vegetable, or liquid paraffin.
- the ester bond is known to be very little toxic.
- the oils consumed in the diet are natural esters of glycerol (triacylglycerol).
- trimerglycerol trimerglycerol
- chemists and biochemists have developed fat substitutes based essentially on the chemistry of polyol esters.
- the object of the present invention is to produce new lubricating oil compositions which have good thermal stability, better stability against oxidation, very good lubricating properties, and which are completely harmless for the human body, biodegradable for environment, and this in comparison with conventional lubricating oils.
- polyesters of fatty acids and of polyols, used as lubricating bases must contain at least four ester groups of fatty acids corresponding to the following general formula: S (OH) m (OCOR) n in which S represents the carbon skeleton of sugar or l sugar alcohol, and R of identical or different alkyl groups.
- sucrose is used here in its generic sense to name the mono-, di-, trisaccharides and hydrolysates of the starch.
- sugar alcohol is also used here in its conventional sense, as a generic term to refer to the reduction product of a sugar in which the aldehyde or ketone group has been reduced to alcohol.
- Monosaccharides such as xylose, arabinose, ribose, erythritol, sorbitan, glucose, mannose, galactose, sorbose, fructose, xylitol, sorbitol, disaccharides such as maltose, lactose, sucrose, trisaccharides such as raffinose, hydrogenated maltotriose, hydrolysates starch (poly- ⁇ -D-glucoside) and hydrogenated hydrolysates of l starch, are suitable examples of sugars or sugar alcohols.
- the preferred polyols for preparing the polyesters to be used in the present invention taking into account their cost prices are erythritol, sorbitan, glucose, xylitol, sorbitol, sucrose, starch hydrolysates and hydrolysates hydrogenated from starch.
- Sugars and sugar alcohols are food additives, and are used for their sweetening power, no toxic sugar is known to date.
- the polyol forming the raw material comprising at least 4 hydroxyl groups, must have at least 4 of these groups esterified with a fatty acid containing from 2 to 24 carbon atoms, preferably from 4 to 18 carbon atoms.
- Fatty acids can be saturated, unsaturated, linear or branched, encompass position isomers or geometric, for example cis or trans isomers.
- the fatty acids chosen for esterifying the polyols come from the vegetable kingdom or the synthetic domain.
- these fatty acids include acetic, butyric, isobutyric, valeric, isovaleric, caproic, enantic, caprylic, 2-ethylcapronic, pelargonic, capric, lauric, myristic, myristoleic, palmitic, palmitoleic, stearic, oleic, elaidic, ricinoleic, linoleic, linolenic, eleostearic, arachidonic, behenic and erucic, and mixtures of these acids.
- the lubricant compositions which are used in the present invention include a polyester of fatty acid and edible polyol, essentially non-toxic, wherein said polyol is selected from the group consisting of sugars and sugar alcohols and their mixtures, preferably erythritol, sorbitan, glucose, xylitol, sorbitol, sucrose, starch hydrolysates and starch hydolysates hydrogenated, containing at least 4 fatty acid ester groups derived from a fatty acid having a number from 2 to 24, preferably from 4 to 18 carbon atoms, the acids Esterified fats in the polyol molecule can be the same or different.
- a group branched or unsaturated chain alkyl will give a resulting oil composition which will unfavorable with regard to thermal stability and oxidation stability.
- Polyesters of fatty acids and polyols the use of which is appropriate herein
- the invention can be prepared according to various methods known to the chemist. Among these processes that may be mentioned: transesterification of the polyol with methyl esters, using a variety of catalysts; acylation of the polyol with a fatty acid chloride; acylation of the polyol with a fatty acid anhydride; and acylation of the polyol with an acid proper fat.
- a lubricating oil composition is thus obtained which is excellent from the point of view of view of the physico-chemical characteristics, and the rheological and tribological.
- Antioxidants such as butylhydroxyanisole (BHA), dibutylhydroxytoluene (BHT), alpha-tocopherol, beta-tocopherol, gamma-tocopherol, delta-tocopherol, and mixtures thereof can be used in foodstuffs.
- Lubricants as described above will be particularly suitable for the food, cosmetic, pharmaceutical and parapharmaceutical industries, whenever it will be necessary to lubricate a machine with direct contact, or risk of indirect contact with the manufactured product.
- Figure 1 graphically represents the tribological comparison between an ester of sorbitol, a Codex 70 oil and a distilled oleic sunflower oil (TOD 18-80).
- Figure 2 graphically represents l influence of the length of the carbon chain of fatty acids on the limit friction of sorbitol esters.
- FIG. 3 graphically represents the frictiogram of three tests of wear (codex 70, TOD18-80, sorbitol ester).
- Figure 4 graphically represents l influence of the carbon chain length of fatty acids on kinematic viscosity and on l wear.
- Figure 5 graphically represents the variation of the rates d wear of different esters depending on the kinematic viscosity at 80 ° C and under a load of 314N.
- Figure 6 graphically represents l effect of additivation of a polyalphaolefin oil (PAO) per 1% d sorbitol ester.
- PAO polyalphaolefin oil
- the viscosity measurement was determined using the Houillon method. It's about determine the kinematic viscosity at 40 ° C by measuring the flow time of the produced in a capillary tube.
- Thermogravimetric analysis makes it possible to determine the thermal stability of lubricant bases without additives, at temperatures up to 600 ° C under a neutral atmosphere (N 2 ). This technique is based on the measurement of mass loss at different temperatures according to the following operating conditions (10 mg of product are introduced into a dish of a balance and are heated according to a gradient of 10 ° C / min). The inflection point of this curve represents the thermal stability of the oil considered.
- Lubricants are attacked by air oxygen when used at high temperatures. This thermo-oxidation can be delayed by the addition of an antioxidant. The temperature of the beginning of oxidation depends on the chemical composition of the oil. Measurement oxidation stability at high temperature is an important parameter for the duration of oil life. To predict oxidation under very severe conditions, we use a Differential Scanning Calorimeter (DSC) type device. However, in order to avoid the evaporation of the lubricant during the analysis, we prefer to use a device of the type Pressure Differential Scanning Calorimeter (PDSC). This method is used to determine the vapor pressure and oxidation stability of lubricants. It is possible to work in "temperature variation" mode, following a gradient of 10 ° C / min, we will then observe an induction temperature. For tests taking place in isothermal, oxidation will be translated by an induction time.
- DSC Differential Scanning Calorimeter
- DSC Differential Scanning Calorimeter
- the sugar polyesters have very good thermal stability. Oxidation stability at high temperature is excellent, and is comparable to neopentylpolyol esters considered to be very little oxidizable lubricants.
- unsaturated molecules such as Codex oil, distilled oleic sunflower oil, and sorbitol hexaoleate
- the measure of stability at oxidation at 250 ° C is not reliable. Indeed, at this temperature these molecules oxidize almost instantly.
- Biodegradability of Sorbitol hexaheptanoate was measured by the OECD 301B test (modified Sturm test). The principle of this method is to ventilate in the darkness or under diffused light, by passing through carbon dioxide-free air, a measured volume of seeded mineral medium, containing a known concentration of test substance as the only nominal source of organic carbon. Degradation is followed by l analysis of the carbon dioxide produced over a period of 28 days. Biodegradability of a product is admitted if the test result after 28 days is d at least 60%.
- the lubricating characteristics (anti-wear, anti-friction) of the synthesized molecules have have been studied on a Pion-Disc machine.
- the principle of operation of the machine consists in sliding a pawn of planar or hemispherical shape on a rotating disc by applying a known force.
- the pin is immersed in the fluid d study and the nature of this fluid influences the friction force existing between the pin and the disc.
- the pawn is pressed on the disc by l intermediate d an articulated arm mounted on ball joint.
- the tangential force of friction is measured at l help an extensometric force sensor.
- the signal from the force sensor is amplified and sent to a plotter.
- Normal force is applied using masses des ⁇ dead ⁇ and can vary from 10 to 600N. This load range allows obtain contact pressures between 1 and 100 MPa depending on the surface of the flat pins and herztian contact pressures between 0.800 and 1.5 GPa with balls of diameter 12.7 mm.
- thermostated double-walled tank in which circulates a heat transfer fluid, s fits on the machine and helps maintain the lubricant of the study at a constant average temperature.
- the cryothermostat to which the thermostatically controlled tank is connected allows working temperatures from -50 ° C to 150 ° C.
- the admissible sliding speed range is between 7 m / s and 0.5 mm / s. This very wide speed range (x10,000) makes it possible to scan the spectrum of different lubrication regimes (limit hydrodynamics).
- An electronic tachometer coupled to an inductive sensor allows precise control of the rotation speed of the disk.
- the discs are tangentially ground and their average roughness is understood between 0.2 and 0.3 microns.
- the pawns are, as far as possible, turned thin, and their roughness is between 0.5 and 1 micron.
- steps of predetermined duration and at constant speed are carried out.
- the durations of the steps (Table 2) were fixed semi-empirically to stabilize the value of the friction and limit the duration of the test.
- the speed tests are carried out at 40 ° C.
- the usual contact pressures are 25 MPa.
- the molecules synthesized for the present invention have been tribologically tested with the disc pin machine.
- Second step, these products were compared in wear with commercial esters of comparable structure: neopentylpolyol esters, glycerol esters, natural triglycerides.
- the molecules synthesized are sorbitol hexaesters esterified by acids valeric, caproic, enantic, caprylic, pelargonic, and oleic fat.
- Figure 1 shows that these products have a lower limit floating coefficient than that of Codex oil.
- the limit coefficient of friction in the case of a polyalphaolefin and a mineral oil are of the order of that of the Codex base.
- VS is to say that under conditions d similar surface conditions, speeds and comparable contact pressure, the curve giving friction as a function of speed is for esters below that of ⁇ mineral ⁇ oils. This is largely due to their polarity and their ability to form protective films.
- This reduction in friction reduces the energy consumption of the mechanisms lubricated, and thereby contributes to limiting pollution.
- this low limit coefficient reduces the risk of seizure of mechanical organs.
- FIG. 2 shows that the limit friction of the sorbitol esters tested depends on the length of the carbon chains carried by the sorbitol. L increasing size of the fatty chains around the nucleus of the molecule makes it possible to form increasingly thick adsorbed films, which is reflected by a reduction in shear.
- Sorbitol esters, neopentylpolyol esters, and glycerol esters have a coefficient of friction which increases strongly over the first 10 to 80 meters (friction greater than 0.2) then the friction decreases more or less quickly depending on the products. After 1000 meters of sliding (end of the test), the friction is between 0.09 and 0.05 depending on the product ( Figure 3).
- Esters are detergent products that have tendency to "clean" the metal surface of the disc of impurities and to "erase” the roughness, this translates into an increase in the coefficient of friction in the 10 to First 80 meters of the test, then the film of lubricant is adsorbed on the lapped disc.
- Figure 4 expresses that the false d wear decreases when the length of carbon chain carried by the sorbitol increases. However, there is a false d slightly more wear with sorbitol hexaheptanoate than with sorbitol hexapentanoate and sorbitol hexahexanoate.
- the variation in the wear rate is inversely proportional with the viscosity: the viscosity creates a thicker film which limits the contact between the roughness, which reduces the wear (Figure 4).
- the products of the present invention are miscible in PAOs and mineral bases, and their incorporation in small quantities makes it possible to stabilize the coefficient of friction, and to limit the wear of these same bases (Figure 6).
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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)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Lubricants (AREA)
Abstract
Description
| base | polyol | acide gras | degré d'estérification | type de base | viscosité à 40°C en mm2/s | stabilité therm. °C | stabilité à l'oxydation mn |
| 1 | sorbitol | valérique | 6 | polyester de sucre | 52.7 | 326 | 17 |
| 2 | sorbitol | caproïque | 6 | polyester de sucre | 63.3 | 333 | 6.8 |
| 3 | sorbitol | énanthique | 6 | polyester de sucre | 48.6 | 364 | 7 |
| 4 | sorbitol | caprylique | 6 | polyester de sucre | 59.4 | 394 | 5.6 |
| 5 | sorbitol | pélargonique | 6 | polyester de sucre | 60.6 | 403 | 5.4 |
| 6 | sorbitol | oléique | 6 | polyester de sucre | 107.3 | 412 | ≈ 0 |
| comparatif 1 | huile de tournesol | 40 | 424 | ≈ 0 | |||
| comparatif 2 | huile Codex | 68 | 320 | ≈ 0 |
Pour les essais plan/plan, les pressions de contacts habituelles sont de 25 MPa.
- charges appliquées : 314N et 176N.
- vitesse : 15 cm/s, distance de glissement : 1000 mètres.
- température du lubrifiant : 80°C.
Claims (14)
- Composition selon la revendication 1, caractérisée en ce que le polyester de sucre dérive d'un polyol de sucre choisi dans le groupe constitué par les sucres et les alcools de sucre et leurs mélanges.
- Composition selon la revendication 2, caractérisée en ce que le polyester de sucre dérive d'un mono-, di-, trisaccharide, des hydrolysats de l'amidon et des hydrolysats hydrogénés de l
amidon. L alcool de sucre est le produit de la réduction d un sucre dans lequel le groupe aldéhyde ou cétone a été réduit en alcool. - Composition selon la revendication 2, caractérisée en ce que le polyester de sucre dérive des monosaccharides tels que : xylose, arabinose, ribose, érythritol, sorbitanne, glucose, mannose, galactose, sorbose fructose, xylitol, sorbitol, des disaccharides tels que maltose, lactose, saccharose, des trisaccharides tels que raffinose, maltotriose hydrogéné, des hydrolysats de l'amidon et des hydrolysats hydrogénés de l'amidon.
- Composition selon la revendication 2, caractérisée en ce que le polyester de sucre dérive des polyols choisis de préférence parmi l
érythritol, le sorbitanne, le glucose, le xylitol, le sorbitol, le saccharose, les hydrolysats de l'amidon et les hydrolysats hydrogénés de l amidon. - Composition selon la revendication 1, caractérisée en ce que le polyester de sucre dérive d'un polyol comportant au moins 4 groupes esters d
acides gras estérifiés avec des acide gras identiques ou différents et composés de 2 à 24 atomes de carbone provenant du domaine végétal ou du domaine synthétique. - Composition selon la revendication précédente, caractérisée en ce que le polyester de sucre dérive d
acides gras linéaires ou ramifiés; saturés ou insaturés qui peuvent englober les isomères de position ou de géométrie cis ou trans. - Composition selon la revendication 6, caractérisée en ce que le polyester de sucre dérive notamment des acides acétique, butyrique, isobutyrique, valérique, isovalérique, caproïque, énanthique, caprylique, 2-éthylcapronique, pélargonique, caprique, laurique, myristique, myristoléique, palmitique, palmitoléique, stéarique, oléique, élaïdique, ricinoléique, linoléique, linolénique, éléostéarique, arachidonique, béhénique et érucique et les mélanges de ces acides.
- Composition selon la revendication 6, caractérisée en ce que le polyester de sucre dérive des acides gras ayant de préférence une longueur de chaíne comprise entre C4 et C18
- Composition selon la revendication 1, caractérisée en ce que le polyester de sucre est l
hexaheptanoate de sorbitol. - Composition selon la revendication 1, caractérisée en ce que le polyester de sucre peut-être additivé d
un ou plusieurs additifs antioxydants choisis parmi le butylhydroxyanisole (BHA), le dibutylhydroxytoluène (BHT), l'alpha-tocophérol, le béta-tocophérol, le gamma-tocophérol, le delta-tocophérol. - Composition selon la revendication 1, caractérisée en ce que ses éléments constitutifs sont de nature comestibles, non-toxiques et biodégradables.
- Utilisation de la composition selon la revendication 1, pour la lubrification des mécanismes utilisés dans la fabrication agro-alimentaire.
- Utilisation de la composition selon la revendication 1, pour la lubrification des mécanismes utilisés dans les industries cosmétiques, pharmaceutiques et parapharmaceutiques.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9706110 | 1997-05-20 | ||
| FR9706110A FR2763597B1 (fr) | 1997-05-20 | 1997-05-20 | Composition d'huile lubrifiante formee par un polyester de sucre biodegradable et non-toxique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0879872A1 true EP0879872A1 (fr) | 1998-11-25 |
Family
ID=9507017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98401184A Withdrawn EP0879872A1 (fr) | 1997-05-20 | 1998-05-18 | Composition d'huile lubrifiante formée par un polyester de sucre biodégradable et non-toxique |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0879872A1 (fr) |
| FR (1) | FR2763597B1 (fr) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003014270A1 (fr) * | 2001-08-07 | 2003-02-20 | Südzucker Aktiengesellschaft Mannheim/Ochsenfurt | Esters d'hydrates de carbone pour utilisations comme lubrifiants |
| WO2003014269A1 (fr) | 2001-08-07 | 2003-02-20 | Südzucker Aktiengesellschaft | Utilisation d'une composition de polyester comme fluide hydraulique |
| WO2002092733A3 (fr) * | 2001-05-17 | 2003-03-20 | Exxonmobil Chem Patents Inc | Lubrifiants synthetiques biodegradables |
| WO2009095824A1 (fr) * | 2008-01-29 | 2009-08-06 | The Procter & Gamble Company | Lubrifiant se composant de polyester d'oligosaccharide hautement estérifié pour machinerie |
| FR3092112A1 (fr) * | 2019-01-29 | 2020-07-31 | Arkema France | Huile de base lubrifiante synthetisee a partir d’esters de polyols et d’acides gras biosources |
| FR3092113A1 (fr) * | 2019-01-29 | 2020-07-31 | Arkema France | Huile de base lubrifiante synthetisee a partir desters d’alcool de sucre |
| WO2022263149A1 (fr) | 2021-06-18 | 2022-12-22 | Evonik Operations Gmbh | Esters d'acide nonanoïque |
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|---|---|---|---|---|
| US2700022A (en) * | 1952-07-15 | 1955-01-18 | California Research Corp | Sugar ester-containing lubricant compositions |
| US3468701A (en) * | 1966-02-09 | 1969-09-23 | Atlas Chem Ind | Method of preventing blocking of aluminum sheet material |
| WO1981003293A1 (fr) * | 1980-05-14 | 1981-11-26 | Nat Can Corp | Materiau pre-enrobe pour des containers et procede de fabrication d'un container sans joint |
| EP0069960A1 (fr) * | 1981-07-10 | 1983-01-19 | Nissan Motor Co., Ltd. | Fluide d'usinage du type soluble dans l'eau utilisant des agents tensio-actifs organiques |
| EP0572198A1 (fr) * | 1992-05-25 | 1993-12-01 | Nippon Oil Co. Ltd. | Composition d'huile lubrifiante pour machines de l'industrie alimentaire |
| DE4229383A1 (de) * | 1990-08-23 | 1994-03-10 | Technol Mineraloel Veredlungs | Genießbares Schmiermittel mit Zusatz von schmierwirkungsverbessernden Estern aus Fettsäuren und höheren Alkoholen |
| JPH0857294A (ja) * | 1994-08-18 | 1996-03-05 | Nippon Saafuakutanto Kogyo Kk | 水分散液 |
-
1997
- 1997-05-20 FR FR9706110A patent/FR2763597B1/fr not_active Expired - Fee Related
-
1998
- 1998-05-18 EP EP98401184A patent/EP0879872A1/fr not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002092733A3 (fr) * | 2001-05-17 | 2003-03-20 | Exxonmobil Chem Patents Inc | Lubrifiants synthetiques biodegradables |
| WO2003014270A1 (fr) * | 2001-08-07 | 2003-02-20 | Südzucker Aktiengesellschaft Mannheim/Ochsenfurt | Esters d'hydrates de carbone pour utilisations comme lubrifiants |
| WO2003014269A1 (fr) | 2001-08-07 | 2003-02-20 | Südzucker Aktiengesellschaft | Utilisation d'une composition de polyester comme fluide hydraulique |
| US7220710B2 (en) | 2001-08-07 | 2007-05-22 | Sudzucker Aktiengesellschaft | Carbohydrate esters for using as lubricants |
| US7524798B2 (en) | 2001-08-07 | 2009-04-28 | Sudzucker Aktiengesellschaft Fuchs Petrolub Ag | Use of a polyster composition as a hydraulic fluid |
| WO2009095824A1 (fr) * | 2008-01-29 | 2009-08-06 | The Procter & Gamble Company | Lubrifiant se composant de polyester d'oligosaccharide hautement estérifié pour machinerie |
| WO2020157434A1 (fr) * | 2019-01-29 | 2020-08-06 | Arkema France | Huile de base lubrifiante synthetisee a partir desters d'alcool de sucre |
| FR3092113A1 (fr) * | 2019-01-29 | 2020-07-31 | Arkema France | Huile de base lubrifiante synthetisee a partir desters d’alcool de sucre |
| FR3092112A1 (fr) * | 2019-01-29 | 2020-07-31 | Arkema France | Huile de base lubrifiante synthetisee a partir d’esters de polyols et d’acides gras biosources |
| WO2020157433A1 (fr) * | 2019-01-29 | 2020-08-06 | Arkema France | Huile de base lubrifiante synthetisee a partir d'esters de polyols et d'acides gras biosources |
| CN113365972A (zh) * | 2019-01-29 | 2021-09-07 | 阿科玛法国公司 | 由糖醇酯合成的润滑基础油 |
| CN113366095A (zh) * | 2019-01-29 | 2021-09-07 | 阿科玛法国公司 | 由多元醇酯和生物来源的脂肪酸合成的润滑基础油 |
| JP2022519217A (ja) * | 2019-01-29 | 2022-03-22 | アルケマ フランス | 糖アルコールエステルから合成された潤滑基油 |
| US20220177408A1 (en) * | 2019-01-29 | 2022-06-09 | Arkema France | Lubricating base oil synthesized from sugar alcohol esters |
| US11453833B2 (en) | 2019-01-29 | 2022-09-27 | Arkema France | Lubricating base oil synthesized from biosourced polyol and fatty acids esters |
| WO2022263149A1 (fr) | 2021-06-18 | 2022-12-22 | Evonik Operations Gmbh | Esters d'acide nonanoïque |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2763597B1 (fr) | 1999-12-17 |
| FR2763597A1 (fr) | 1998-11-27 |
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