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US 2019/0316060 A1Published application
Aqueous lubricating composition
AssigneeSopura S.A.
InventorsFrancois BOUGARD, Philippe VANHELLEPUTTE, Armelle DAVID LOGHMANIAN, Pierre STACHURA
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Abstract
A lubricating composition includes: from 0.1% to 10% by weight of a first organic acid including a fatty acid containing from 4 carbon atoms to 18 carbon atoms; from 1% to 10% by weight of a fatty amine containing from 10 carbon atoms to 26 carbon atoms; from 0.1% to 5% by weight of an acidity corrector; up to 10% by weight of a dispersant; up to 10% by weight of a second organic acid; up to 10% by weight of an organic solvent; and from 50% to 98.8% by weight of water.
Claims18
1:
- A lubricating composition, comprising:
- from 0.1% to 10% by weight of a first organic acid comprising a fatty acid containing from 4 carbon atoms to 18 carbon atoms;
- from 1% to 10% by weight of a fatty amine containing from 10 carbon atoms to 26 carbon atoms;
- from 0.1% to 5% by weight of an acidity corrector;
- up to 10% by weight of a dispersant;
- up to 10% by weight of a second organic acid;
- up to 10% by weight of an organic solvent;
- and
- from 50% to 98.8% by weight of water.
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2:
- The composition of claim 1, wherein a ratio between the fatty acid and the fatty amine is between 1/9 and 1/1.
3:
- The composition of claim 1, wherein the fatty acid contains from 6 carbon atoms to 12 carbon atoms.
4:
- The composition of claim 1, wherein the fatty acid is selected from the group consisting of octanoic acid, decanoic acid, hexanoic acid and lauric acid, and a mixture thereof.
5:
- The composition of claim 1, wherein the fatty amine contains from 12 carbon atoms to 22 carbon atoms.
6:
- The composition of claim 1, wherein the fatty amine is selected from the group consisting of monoamines and polyamines.
7:
- The composition claim 1, wherein the fatty amine is selected from the group consisting of lauryl amine, oleyl amine, N-oleyl-1,3-diaminopropane or la N-lauryl-1,3-diaminopropane, and a mixture thereof.
8:
- The composition of claim 1, wherein the dispersant is selected from the group consisting of neutral dispersants and anionic dispersants.
9:
- The composition of claim 1, wherein the dispersant is selected from the group consisting of polysorbate, an ethoxylated and carboxylated alcohol, an ethoxylated fatty acid, a poly(ethylene oxide) carboxylate, a carboxylic ester, and a mixture thereof.
10:
- The composition of claim 1, wherein the organic solvent is selected from the group consisting of ethyl lactate, glycol, alcohol and a mixture thereof.
11:
- The composition of claim 1, wherein the second organic acid is selected from the group consisting of citric acid, acetic acid, propionic acid, lactic acid and a mixture thereof.
12:
- The composition of claim 1, wherein the acidity corrector comprises a base selected from the group consisting of NaOH, KOH and a mixture thereof.
13:
- The composition of claim 1, wherein the composition is clear at ambient temperature for more than 48 hours.
14:
- A method for lubricating container conveyor belts comprising:
- applying the composition of claim 1 to belts and/or guides of the container conveyor belts.
15:
- The method of claim 14, wherein containers transported on the container conveyer belts are selected from the group made up of bottles, barrels or cans.
16:
- The method of claim 14, wherein the composition is applied by continuously spraying.
17:
- The method of claim 14, wherein the composition is applied by intermittently spraying.
18:
- The method of claim 17, wherein the spraying is carried out according to the following alternation:
- spraying of a solution of the composition at 0.7%, applied for a period of between 10 seconds and 50 seconds;
- absence of spraying for a period of between 10 seconds and 50 seconds;
- spraying of a solution of the composition at 0.4%, for a period of between 5 seconds and 30 seconds;
- and
- absence of spraying for a period of between 50 seconds and 120 seconds.
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