EP3143110A1 - Lubricant composition - Google Patents

Lubricant composition

Info

Publication number
EP3143110A1
EP3143110A1 EP15721760.5A EP15721760A EP3143110A1 EP 3143110 A1 EP3143110 A1 EP 3143110A1 EP 15721760 A EP15721760 A EP 15721760A EP 3143110 A1 EP3143110 A1 EP 3143110A1
Authority
EP
European Patent Office
Prior art keywords
composition
weight
lubricant
carboxymethyl cellulose
water
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.)
Granted
Application number
EP15721760.5A
Other languages
German (de)
French (fr)
Other versions
EP3143110B1 (en
Inventor
Matti KYLLÖNEN
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.)
Jarmat Oy
Original Assignee
Jarmat Oy
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 Jarmat Oy filed Critical Jarmat Oy
Publication of EP3143110A1 publication Critical patent/EP3143110A1/en
Application granted granted Critical
Publication of EP3143110B1 publication Critical patent/EP3143110B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/24—Compounds containing phosphorus, arsenic or antimony
    • 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
    • C10M173/025—Lubricating compositions containing more than 10% water not containing mineral or fatty oils for lubricating conveyor belts
    • 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
    • C10M2201/085—Phosphorus oxides, acids or salts
    • 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
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
    • C10M2207/0225—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two 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
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/102—Polyesters
    • 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
    • C10N2010/02—Groups 1 or 11
    • 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
    • C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
    • 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
    • C10N2040/20—Metal working
    • 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
    • C10N2040/20—Metal working
    • C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling
    • 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

Definitions

  • the invention relates to a lubricant composition, and particularly to a lubricant composition comprising glycerol, water and carboxymethyl cellulose.
  • Document WO 01 /98441 discloses a conveyor lubricant composition comprising water, glycerol and carboxymethyl cellulose.
  • Carboxymethyl cellulose may be used in a lubricant as thickener and tackiefier.
  • a problem with the known lubricant comprising carboxymethyl cellulose is that the viscosity of carboxymethyl cellulose drops when the lubricant is in contact with iron, calcium, aluminum and/or oxygen. Lubricant is often stored in a stainless steel container or in some other container where it is in contact with air, which reduces the storage time of the lubricant significantly. When the viscosity drops, the thickening and tackifying effect of carboxymethyl cellulose is lost.
  • An object of the present invention is to provide a lubricant composition so as to overcome the above problem.
  • the invention is based on the idea of providing a lubricant composition comprising glycerol, water and carboxymethyl cellulose, wherein the composition further comprises sodium polyphosphate.
  • An advantage of the lubricant composition of the invention is that sodium poly- phosphate surprisingly inhibits the reduction of the viscosity of the composition when the lubricant composition is in contact with iron, calcium, aluminum and/or oxygen.
  • An advantage of the lubricant composition of the invention is also that sodium polyphosphate surprisingly lowers the pour point of the lubricant composition, which allows using the lubricant composition in lower temperatures.
  • the invention relates to a lubricant composition
  • a lubricant composition comprising glycerol, water and carboxymethyl cellulose, wherein the composition further comprises sodium polyphosphate.
  • the purpose of the carboxymethyl cellulose is to increase the viscosity of the lubricant and the adhesion of the lubricant to the surface to be lubricated.
  • sodium poly- phosphate In addition to inhibiting the reduction of the viscosity when the lubricant composition is in contact with iron, calcium, aluminum and/or oxygen, sodium poly- phosphate also acts as a corrosion preventer.
  • the composition comprises sodium polyphosphate at least 0.2 % by weight of the composition, preferably between 0.2 to 1 .2 % by weight of the composition, more preferably between 0.4 to 1 % by weight of the composition.
  • the composition comprises carboxymethyl cellulose between 0.1 to 0.7 % by weight of the composition, preferably between 0.1 to 0.6 % by weight of the composition.
  • the composition comprises glycerol 55 to 90 % by weight of the composition.
  • the invention also relates to use of the lubricant composition of the invention as chain oil, transport chain lubricant, cutting fluid or lubricant for a test driving track.
  • the lubricant composition can also be used for lubricating transport chain in machine industry, construction industry, wood processing industry, paper indus- try, food industry, steel industry, car industry, agricultural industry, or in the production of isolation materials.
  • the composition comprises glycerol 55 to 75 % by weight of the composition, water 23 to 44 % by weight of the composition, and sodium polyphosphate 0.2 to 1 .2 % by weight of the composition.
  • the composition comprises glycerol 60 to 68 % by weight of the composition, water 31 to 39.5 % by weight of the composition, carboxymethyl cellulose 0.25 to 0.5 % by weight of the composition, and sodium polyphosphate 0.3 to 0.5 % by weight of the composition.
  • the composition comprises glycerol 60 to 65 % by weight of the composition, water 33.5 to 39.1 % by weight of the composition, carboxymethyl cellulose 0.32 to 0.6 % by weight of the composition, and sodium polyphosphate 0.3 to 0.5 % by weight of the composition.
  • a lubricant composition for use as chain oil comprising glycerol 66.7 % by weight of the composition, water 32.35 % by weight of the composition, carboxymethyl cellulose 0.35 % by weight of the composition and sodium polyphosphate 0.4 % by weight of the composition was made.
  • Composition 2 comprised glycerol 67.0 % by weight of the composition, water 32.48 % by weight of the composition, carboxymethyl cellulose 0.35 % by weight of the composition and sodium benzoate 0.2 % by weight of the composition.

Abstract

The invention relates to a lubricant composition comprising glycerol, water, carboxymethyl cellulose and sodium polyphosphate, wherein the composition comprises carboxymethyl cellulose 0.1 to 0.7 % by weight of the composition.

Description

LUBRICANT COMPOSITION
FIELD OF THE INVENTION
The invention relates to a lubricant composition, and particularly to a lubricant composition comprising glycerol, water and carboxymethyl cellulose. BACKGROUND OF THE INVENTION
Document WO 01 /98441 discloses a conveyor lubricant composition comprising water, glycerol and carboxymethyl cellulose.
Carboxymethyl cellulose may be used in a lubricant as thickener and tackiefier.
A problem with the known lubricant comprising carboxymethyl cellulose is that the viscosity of carboxymethyl cellulose drops when the lubricant is in contact with iron, calcium, aluminum and/or oxygen. Lubricant is often stored in a stainless steel container or in some other container where it is in contact with air, which reduces the storage time of the lubricant significantly. When the viscosity drops, the thickening and tackifying effect of carboxymethyl cellulose is lost. BRIEF DESCRIPTION OF THE INVENTION
An object of the present invention is to provide a lubricant composition so as to overcome the above problem.
The objects of the invention are achieved by a lubricant composition and use thereof which are characterized by what is stated in the independent claims. The preferred embodiments of the invention are disclosed in the dependent claims.
The invention is based on the idea of providing a lubricant composition comprising glycerol, water and carboxymethyl cellulose, wherein the composition further comprises sodium polyphosphate.
An advantage of the lubricant composition of the invention is that sodium poly- phosphate surprisingly inhibits the reduction of the viscosity of the composition when the lubricant composition is in contact with iron, calcium, aluminum and/or oxygen.
An advantage of the lubricant composition of the invention is also that sodium polyphosphate surprisingly lowers the pour point of the lubricant composition, which allows using the lubricant composition in lower temperatures. DETAILED DESCRIPTION OF THE INVENTION
The invention relates to a lubricant composition comprising glycerol, water and carboxymethyl cellulose, wherein the composition further comprises sodium polyphosphate.
In the lubricant composition, the purpose of the carboxymethyl cellulose is to increase the viscosity of the lubricant and the adhesion of the lubricant to the surface to be lubricated.
In addition to inhibiting the reduction of the viscosity when the lubricant composition is in contact with iron, calcium, aluminum and/or oxygen, sodium poly- phosphate also acts as a corrosion preventer.
Theoretical pour point for a mixture of 66.7 % by weight of glycerol and 33.3 % by weight of water is -46.5 ° C. Using sodium polyphosphate also lowers the pour point.
According to an embodiment the composition further comprises sodium benzo- ate for inhibiting activity of microorganisms. Preferably the composition comprises sodium benzoate between 0.1 to 0.3 % by weight of the composition.
According to an embodiment the composition comprises sodium polyphosphate at least 0.2 % by weight of the composition, preferably between 0.2 to 1 .2 % by weight of the composition, more preferably between 0.4 to 1 % by weight of the composition.
The composition comprises carboxymethyl cellulose between 0.1 to 0.7 % by weight of the composition, preferably between 0.1 to 0.6 % by weight of the composition.
According to an embodiment the composition comprises glycerol 55 to 90 % by weight of the composition.
According to an embodiment the composition comprises glycerol 55 to 90 % by weight of the composition, water 8.5 to 44 % by weight of the composition, and sodium polyphosphate at least 0.2 % by weight of the composition.
The invention also relates to use of the lubricant composition of the invention as chain oil, transport chain lubricant, cutting fluid or lubricant for a test driving track.
For example the lubricant composition is used as chain oil in a saw chain of stone saw, concrete saw, wood saw, or metal saw. The lubricant composition can also be used as chain oil in a handheld chain saw, or in a chain saw of forestry equipment or a forest harvester.
The lubricant composition can also be used for lubricating transport chain in machine industry, construction industry, wood processing industry, paper indus- try, food industry, steel industry, car industry, agricultural industry, or in the production of isolation materials.
When the lubricant composition is used as chain oil, preferably the composition comprises glycerol 55 to 75 % by weight of the composition, water 23 to 44 % by weight of the composition, and sodium polyphosphate 0.2 to 1 .2 % by weight of the composition.
When the lubricant composition is used as transport chain lubricant, preferably the composition comprises glycerol 60 to 68 % by weight of the composition, water 31 to 39.5 % by weight of the composition, carboxymethyl cellulose 0.25 to 0.5 % by weight of the composition, and sodium polyphosphate 0.3 to 0.5 % by weight of the composition.
When the lubricant composition is used as cutting fluid, preferably the composition comprises glycerol 60 to 90 % by weight of the composition, water 8.4 to 39.1 % by weight of the composition, carboxymethyl cellulose 0.1 to 0.6 % by weight of the composition, and sodium polyphosphate 0.3 to 1 % by weight of the composition.
When the lubricant composition is used as cutting fluid for drilling or threading, preferably the composition comprises glycerol 60 to 65 % by weight of the composition, water 33.5 to 39.1 % by weight of the composition, carboxymethyl cellulose 0.32 to 0.6 % by weight of the composition, and sodium polyphosphate 0.3 to 0.5 % by weight of the composition.
When the lubricant composition is used as lubricant for a test driving track, preferably the composition comprises glycerol 60 to 70 % by weight of the composition, water 29 to 39 % by weight of the composition, carboxymethyl cellulose 0.3 to 0.7 % by weight of the composition, and sodium polyphosphate 0.3 to 0.5 % by weight of the composition.
EXAMPLE 1
A lubricant composition for use as chain oil comprising glycerol 66.7 % by weight of the composition, water 32.35 % by weight of the composition, carboxymethyl cellulose 0.35 % by weight of the composition and sodium polyphosphate 0.4 % by weight of the composition was made.
Pour point of the composition was measured according to ASTM D5950 as being -51 ° C. Kinematic viscosity of the composition at 20 ° C was measured ac- cording to ISO 3104 as being 738.1 mm2/s. Kinematic viscosity of the composition at 80 °C was measured according to ISO 3104 asbeing 45 mm2/s.
EXAMPLE 2
Two lubricant compositions were made. Composition 1 comprised glycerol 66.7 % by weight of the composition, water 32.35 % by weight of the composition, carboxymethyl cellulose 0.35 % by weight of the composition, sodium polyphosphate 0.4 % by weight of the composition and sodium benzoate 0.2 % by weight of the composition.
Composition 2 comprised glycerol 67.0 % by weight of the composition, water 32.48 % by weight of the composition, carboxymethyl cellulose 0.35 % by weight of the composition and sodium benzoate 0.2 % by weight of the composition.
The lubricant compositions were held in an open laboratory beaker. The viscosity of the compositions were measured after half an hour, two and half hours, 24 hours and 32 hours using Fungilab Alpha H viscometer and spindle L1 . The measured viscosities are shown in Table 1 .
Table 1
The results show that the viscosity change over time of Composition 1 stabilizes, whereas the viscosity of Composition 2 keeps decreasing.

Claims

A lubricant composition comprising glycerol, water, carboxymethyl cellulose and sodium polyphosphate, characterized in that the composition comprises carboxymethyl cellulose 0.1 to 0.7 % by weight of the composition.
A lubricant composition according to the previous claim, characterized in that the composition comprises sodium polyphosphate at least 0.2 % by weight of the composition.
A lubricant composition according to any one of the previous claims, characterized in that the composition comprises glycerol 55 to 90 % by weight of the composition.
A lubricant composition according to any one of the previous claims, characterized in that the composition comprises
glycerol 55 to 90 % by weight of the composition,
water 8.5 to 44 % by weight of the composition, and
sodium polyphosphate at least 0.2 % by weight of the composition.
Use of a lubricant composition according to any one of claims 1 to 5 as chain oil.
Use according to claim 5, characterized in that the composition comprises
glycerol 55 to 75 % by weight of the composition,
water 23 to 44 % by weight of the composition, and
sodium polyphosphate 0.2 to 1 .2 % by weight of the composition.
Use of a lubricant composition according to any one of claims 1 to 4 as transport chain lubricant.
Use according to claim 7, characterized in that the composition comprises
glycerol 60 to 68 % by weight of the composition, water 31 to 39.5 % by weight of the composition,
carboxymethyl cellulose 0.25 to 0.5 % by weight of the composition, and sodium polyphosphate 0.3 to 0.5 % by weight of the composition.
9. Use of a lubricant composition according to any one of claims 1 to 4 as cutting fluid.
10. Use according to claim 9, characterized in that the composition comprises
glycerol 60 to 90 % by weight of the composition,
water 8.4 to 39.1 % by weight of the composition,
carboxymethyl cellulose 0.1 to 0.6 % by weight of the composition, and sodium polyphosphate 0.3 to 1 % by weight of the composition.
1 1 . Use of a lubricant composition according to any one of claims 1 to 4 as lubricant for a test driving track.
12. Use according to claim 1 1 , characterized in that the composition com- prises
glycerol 60 to 70 % by weight of the composition,
water 29 to 39 % by weight of the composition,
carboxymethyl cellulose 0.3 to 0.7 % by weight of the composition, and sodium polyphosphate 0.3 to 0.5 % by weight of the composition.
EP15721760.5A 2014-05-15 2015-05-05 Lubricant composition Active EP3143110B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20145441A FI125548B (en) 2014-05-15 2014-05-15 LUBRICANT COMPOSITION
PCT/FI2015/050302 WO2015173465A1 (en) 2014-05-15 2015-05-05 Lubricant composition

Publications (2)

Publication Number Publication Date
EP3143110A1 true EP3143110A1 (en) 2017-03-22
EP3143110B1 EP3143110B1 (en) 2019-07-03

Family

ID=53175078

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15721760.5A Active EP3143110B1 (en) 2014-05-15 2015-05-05 Lubricant composition

Country Status (3)

Country Link
EP (1) EP3143110B1 (en)
FI (1) FI125548B (en)
WO (1) WO2015173465A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935124A (en) * 1974-01-02 1976-01-27 Miller Chemical Corporation Anti-stick composition for coating and detackifying uncured rubber articles and the like
US7364033B2 (en) * 1999-11-17 2008-04-29 Ecolab Inc. Container, such as a food or beverage container, lubrication method
US20040053792A1 (en) * 2000-06-23 2004-03-18 Wederell Christopher William Conveyor lubricant
JP2005537308A (en) * 2002-08-15 2005-12-08 ザ プロクター アンド ギャンブル カンパニー How to whiten teeth

Also Published As

Publication number Publication date
EP3143110B1 (en) 2019-07-03
FI125548B (en) 2015-11-30
WO2015173465A1 (en) 2015-11-19
FI20145441A (en) 2015-11-16

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