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WO2010129953A1 - Lubrifiant à solution aqueuse pour laminage à froid de l'acier - Google Patents

Lubrifiant à solution aqueuse pour laminage à froid de l'acier Download PDF

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Publication number
WO2010129953A1
WO2010129953A1 PCT/US2010/034232 US2010034232W WO2010129953A1 WO 2010129953 A1 WO2010129953 A1 WO 2010129953A1 US 2010034232 W US2010034232 W US 2010034232W WO 2010129953 A1 WO2010129953 A1 WO 2010129953A1
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WO
WIPO (PCT)
Prior art keywords
lubricant
lubricant fluid
additive
additives
fluid
Prior art date
Application number
PCT/US2010/034232
Other languages
English (en)
Inventor
Wang Xi
Pieter Schellingerhout
Yuming Zhang
Original Assignee
Quaker Chemical Corporation
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 Quaker Chemical Corporation filed Critical Quaker Chemical Corporation
Priority to CN201080030338.1A priority Critical patent/CN102574178B/zh
Publication of WO2010129953A1 publication Critical patent/WO2010129953A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating
    • B21B45/0242—Lubricants
    • 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
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • 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
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/223—Five-membered rings containing nitrogen and carbon only
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • 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
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/02—Unspecified siloxanes; Silicones
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/04—Molecular weight; Molecular weight distribution
    • 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
    • C10N2030/12—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
    • C10N2030/26—Waterproofing or water resistance
    • 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
    • C10N2030/56—Boundary lubrication or thin film lubrication
    • 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
    • C10N2030/58—Elastohydrodynamic lubrication, e.g. for high compressibility layers
    • 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
    • C10N2040/244—Metal working of specific metals
    • C10N2040/246—Iron or steel

Definitions

  • lubrication is an important and generally necessary component. Due to high speed, high pressure and high friction forces between a roll and a strip associated with the rolling processes, insufficient lubrication, insufficient cooling, and insufficient surface protection can occur, which result in 1) an increase in roll force, 2) low strip reflectivity, 3) increased roll wear, and in some cases, 4) the inability to successfully roll the steel strip. Such negative effects can waste energy, consume rolls, result in poor product quality, and so on.
  • a lubricant fluid for steel cold rolling includes a single-phase water-based solution with a water soluble polymer.
  • the polymer includes at least one hydrophilic group, such as ethylene oxide.
  • the lubricant fluid includes about 5 wt% to about 80 wt% water soluble polymer.
  • the lubricant fluid includes at least one lubricant additive, which may be water soluble.
  • the lubricant additive includes one or more carbon chain structures, one or more hydrophilic groups, or a combination thereof.
  • a lubricant fluid may include about 0.1 wt% to about 10 wt% lubricant additive.
  • the lubricant fluid further includes at least one extreme pressure additive.
  • the extreme pressure additive may have at least one surface active group, such as a sulfonate, phosphate, ester, carboxylic acid or ethoxy group.
  • a lubricant fluid includes about 0.1 wt% to about 10 wt% extreme pressure additive.
  • the lubricant fluid includes at least one functional additive, such as anti-rust additives, anti-foam additives, thickeners, anti-oxidant additives, wetting additives, or combinations thereof.
  • the lubricant fluid may include about 0.005 wt% to about 5 wt% functional additive.
  • the lubricant fluid forms an elasto-hydrodynamic film in a cold rolling process.
  • a method of cold rolling steel includes lubricating the steel with a lubricant fluid having a single-phase water-based solution including a water soluble polymer.
  • the method includes applying a water-wash at a mill exit.
  • the lubricant fluid is recirculated.
  • Figure 1 shows a graph of film thickness as a function of speed for various lubricant fluids
  • Figure 2 shows a graph of film thickness as a function of speed for various lubricant fluids
  • Figure 3 shows thermo gravimetric analysis test results for various lubricant fluids
  • Figure 4 shows stack staining test results for various lubricant fluids
  • Figure 5 shows rolling performances of a formulation in a test mill
  • Figure 6 shows rolling performances of a formulation in a test mill.
  • compositions and methods of some embodiments of the present invention relate to steel cold rolling processes with single-phase water-based lubricant fluids.
  • Compositions and methods of the present invention may embody a water-based lubricant fluid for steel cold rolling which is free or substantially free from measurable particles or oil droplets.
  • a lubricant fluid includes one or more water-soluble polymers.
  • a lubricant fluid may also include one or more of extreme pressure additives, lubricant additives, and various functional additives.
  • oil-in- water emulsions are applied to the strip during steel cold rolling.
  • use of oil-in- water emulsions may have disadvantages, such as limited strip cleanliness after anneal, insufficient filterability, fluctuating emulsion characteristics leading to inconsistency on the mill, high oil consumption, etc., which may be avoided by use of a single-phased water-based lubricant fluid according to some embodiments of the present invention.
  • Single-phased water-based lubricant fluids according to some embodiments of the present invention are useful for application in cold rolling of any type of steel or other metals.
  • a cold rolling lubricant fluid may be beneficial for a cold rolling lubricant fluid to demonstrate good boundary lubrication as well as good EHD lubrication.
  • single-phased water-based lubricant fluids of the present invention possess sufficient lubrication properties in both boundary and EHD lubrication for use in cold rolling processes.
  • a single-phased water-based lubricant fluid forms an elasto-hydrodynamic film during a cold rolling process.
  • a lubricant fluid of the present invention includes a single-phase water based lubricant fluid.
  • a single-phase water based lubricant fluid may include a water soluble polymer and optionally one ore more of extreme pressure additives, lubricant additives, and various functional additives.
  • a lubricant fluid of the present invention may include one or more water soluble polymers.
  • the polymers may be dispersed or dissolved in a volume of water.
  • a water soluble polymer is linear. In some embodiments, a water soluble polymer is branched.
  • a suitable water soluble polymer includes one or more hydrophilic groups.
  • suitable hydrophilic groups include but are not limited to ethylene oxide, propylene oxide, hydroxyl, carboxyl, acyl amine and combinations thereof.
  • a lubricant fluid includes one or more water soluble polymers in an amount of about 5 wt% to about 80 wt%. In some embodiments, a lubricant fluid includes one or more water soluble polymers in an amount of about 10 wt% to about 75 wt%; about 15 wt% to about 70 wt%; about 20 wt% to about 65 wt%; about 25 wt% to about 60 wt%; about 30 wt% to about 55 wt%; about 35 wt% to about 50 wt%; or about 40 wt% to about 45 wt%.
  • a lubricant fluid includes one or more water soluble polymers in an amount of about 5 wt%; about 10 wt%; about 15 wt%; about 20 wt%; about 25 wt%; about 30 wt%; about 35 wt%; about 40 wt%; about 45 wt%; about 50 wt%; about 55 wt%; about 60 wt%; about 65 wt%; about 70 wt%; about 75 wt% or about 80 wt%.
  • a lubricant fluid of the present invention may optionally include one or more lubricant additives.
  • a suitable lubricant additive includes one or more types of carbon chain structures. Examples of suitable lubricant additives include but are not limited to water soluble C 6 -Ci S organic acid, organic amine, phosphorus ester, sulfur ester, and water soluble esters.
  • a suitable lubricant additive includes one or more hydrophilic groups.
  • suitable hydrophilic groups include but are not limited to ethylene oxide, propylene oxide, hydroxyl groups, carboxyl groups, and acyl amine groups.
  • a lubricant fluid includes one or more lubricant additives in an amount of about 0.1 wt% to about 10 wt%; about 0.2 wt% to about 10 wt%; about 0.5 wt% to about 10 wt%; 1 wt% to about 9 wt %; about 2 wt% to about 8 wt%; about 3 wt% to about 7 wt%; or about 4 wt% to about 6 wt%.
  • a lubricant fluid includes one or more lubricant additives in an amount of about 0.1 wt%; about 0.2 wt%; about 0.3 wt%; about 0.4 wt%; about 0.5 wt%; about 0.6 wt%; about 0.7 wt%; about 0.8 wt%; about 0.9 wt%; about 1 wt%; about 1.1 wt%; about 1.2 wt%; about 1.3 wt%; about 1.4 wt%; about 1.5 wt%; about 1.6 wt%; about 1.7 wt%; about 1.8 wt%; about 1.9 wt%; about 2 wt%; about 2.1 wt%; about 2.2 wt%; about 2.3 wt%; about 2.4 wt%; about 2.5 wt%; about 2.6 wt%; about 2.7 wt%; about 2.8 wt%; about 2.9 wt%; about
  • a lubricant fluid of the present invention may optionally include one or more extreme pressure additives.
  • Suitable extreme pressure additives provide additional protection during a cold rolling process as active groups in the additives may allow parts of the lubricant fluid to react with a steel surface to form different types of protective films.
  • Such protective films may separate two frictional surfaces from each other at high temperatures and/or high pressure.
  • Suitable extreme pressure additives include but are not limited to amine phosphates, phosphorus ester, sulfur ester, non-ethoxylated phosphate esters, ethoxylated phosphate esters, alkyl acid phosphate, sulphurized fatty esters, and alkyl polysulphides.
  • suitable extreme pressure additives are phosphorus based, sulfur based, and/or a mixture thereof.
  • extreme pressure additives include one or more surface active groups.
  • suitable surface active groups may include but are not limited to sulfonate groups, phosphate groups, ester groups, organic and inorganic acid group, phosphate ester, and ethoxy groups.
  • a lubricant fluid includes one or more extreme pressure additives in an amount of about 0.1 wt% to about 10 wt%; about 0.2 wt% to about 10 wt%; about 0.5 wt% to about 10 wt%; 1 wt% to about 9 wt %; about 2 wt% to about 8 wt%; about 3 wt% to about 7 wt%; or about 4 wt% to about 6 wt%.
  • a lubricant fluid includes one or more extreme pressure additives in an amount of about 0.1 wt%; about 0.2 wt%; about 0.5 wt%; about 1 wt%; about 1.5 wt%; about 2 wt%; about 2.5 wt%; about 3 wt%; about 3.5 wt%; about 4 wt%; about 4.5 wt%; about 5 wt%; about 5.5 wt%; about 6 wt%; about 6.5 wt%; about 7 wt%; about 7.5 wt%; about 8 wt%; about 8.5 wt%; about 9 wt%; about 9.5 wt%; or about 10 wt%.
  • a lubricant fluid includes an extreme pressure additive and a lubricant additive comprised of the same materials. In some embodiments, a lubricant fluid includes an extreme pressure additive and a lubricant comprised of different materials.
  • a lubricant fluid of the present invention may optionally include one or more functional additives.
  • Such additives may be chosen in order to cover boundary lubrication and other process requirements of steel cold rolling.
  • suitable additives include but are not limited to anti-rust additives, antioxidant additives, anti-foam additives, emulsifiers, thickeners, wetting additives and the like. Any suitable functional additive may be included to achieve the desired result.
  • An example of a suitable corrosion inhibitor additive includes but is not limited to tolutriazole.
  • An example of a suitable antioxidant additive includes but is not limited to alkylated amino phenol.
  • An example of a suitable wetting additive includes but is not limited to branched fatty acids.
  • a lubricant fluid includes one or more functional additives in an amount of about 0.005 wt% to about 5 wt%; about 0.01 wt% to about 5 wt%; about 0.05 wt% to about 4 wt%; about 0.1 wt% to about 3 wt%; about 0.5 wt% to about 2 wt%; or about 0.5 wt% to about 1 wt%.
  • a lubricant fluid includes one or more functional additives in an amount of about 0.005 wt%; about 0.006 wt%; about 0.007 wt%; about 0.008 wt%; about 0.009 wt%; about 0.01 wt%; about 0.02 wt%; about 0.03 wt%; about 0.04 wt%; about 0.05 wt%; about 0.06 wt%; about 0.07 wt%; about 0.08 wt%; about 0.09 wt%; about 0.1 wt%; about 0.2 wt%; about 0.3 wt%; about 0.4 wt%; about 0.5 wt%; about 0.6 wt%; about 0.7 wt%; about 0.8 wt%; about 0.9 wt%; about 1 wt%; about 1.5 wt%; about 2 wt%; about 2.5 wt%; about 3 wt%; about 3.5 wt%;
  • a method of cold rolling steel includes cold rolling steel while lubricating the steel with a lubricant fluid as described herein.
  • a method of cold rolling steel includes cold rolling steel while lubricating the steel with a single-phase water-based lubricant fluid including a water soluble polymer. While it is known in the art that pure water and aqueous solutions are unable to form a film at high temperature and pressure in a cold rolling process, it has been found that application of the single-phase water-based lubricant fluid of the present invention may, increase viscosity, thereby resulting in a sufficiently thick elasto-hydrodynamic film. In some embodiments, such increase in viscosity and resulting elasto-hydrodynamic film are due to the presence of water soluble polymers in the lubricant fluid.
  • a lubricant fluid of the present invention forms a fluid film between the roll and the strip comparable to that formed by oil in water emulsions during applications in steel cold rolling.
  • a lubricant fluid forms an elasto-hydrodynamic film.
  • an elasto-hydrodynamic film may be formed between the roll and the strip at an appropriate strip speed and roll speed. The film thickness may depend on the viscosity, viscosity-pressure index (VPI), roll and strip speed, etc.
  • extreme pressure additives may also be included in a lubricant fluid, as described herein.
  • anti-rust additives may also be included in a lubricant fluid, as described herein.
  • anti-foam additives may also be included in a lubricant fluid, as described herein.
  • Lubricant fluids of the present invention may be useful for any type of cold rolling, including but not limited to reversible or non-reversible, tandem and combination mills, maintaining or reducing roll forces.
  • An advantage of single-phase water-based lubricant fluids of the present invention is that the fluid may be washed from the strip with water.
  • a water- wash may be used at the mill exit for washing strip surface with pure water to remove the lubricant fluid.
  • the fluid thus obtained may be re-circulated to the solution tank. In some embodiments, such a method may further decrease oil consumption.
  • Branched polymer (MW ⁇ 15,000): 17.5 wt%
  • EO-PO polymer (MW ⁇ 3,930): 17.5 wt%
  • Branched polymer (MW ⁇ 15,000): 5 wt%
  • Branched polymer (MW ⁇ 15,000): 17.5 wt%
  • EO-PO polymer (MW - 3,930): 17.5 wt%
  • Organic silicon de-foamer additive 0.01 wt%
  • Formulations 4 and 5 are counterexamples.
  • Formulation 4 has the same EHD lubrication additives as formulation 1 , but has no boundary lubrication additive; formulation 5 has the same boundary lubrication additives as formulation 2 but has no EHD lubrication additive.
  • Test results for Formulations 1-5 are listed below.
  • Example 1 Boundary lubrication
  • Oil 1 Failure load is 15001bs and torque is 31.8 inch pounds
  • Oil 2 Failure load is 17501bs and torque is 31.0 inch pound
  • Formulation 4 Failure load is 3001bs, and torque is 27.1 inch pounds
  • Formulation 5 Failure load is 17501bs and torque is 35.2 inch pounds
  • Standard lubricating oils used in production mills have break loads above 600N in 4-ball.
  • Formulation 1 -3 break loads are within this standard range.
  • the results show that Formulation 4 was the least effective, which may demonstrate the lack of boundary lubrication additives.
  • the results for Formulation 5 were comparable with those of Formulation 2.
  • Example 4 Film thickness
  • EHD film thickness of Formulation 4 because Formulation 4 has maintained EHD lubrication additives, is comparable with the film thickness of Formulation 1 , as shown in Figure 2.
  • Formulation 5 was unable to form an EHD film, which may demonstrate the absence of the EHD lubrication additives.
  • TGA thermo gravimetric analysis
  • Example 6 Stack staining
  • Oils and solution products were all pure.
  • Anti-staining properties of the lubricant fluids were evaluated by stack staining tests. This is a key parameter which evaluates strip cleanliness after rolling and annealing. To test the lubricant fluids, the fluid was applied between the surfaces of two steel panels and wrapped tightly with adhesive tapes. The wrapped panels were then placed in an oven at about 90 0 C while pressing with a load of about 4.5kg. After 72 hours, the wrapped panels were removed and the surfaces observed.
  • Single-phase water-based lubricant fluids may be advantageous for cold rolling processes as they may be washed off by pure water or substantially pure water at the mill exit and therefore may further reduce oil consumption as the fluid can be re-used.
  • Example 8 Test mill
  • Oils are 3 wt% emulsion and solution products were pure.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

La présente invention concerne des compositions et des procédés relatifs à un liquide lubrifiant à base d'eau destiné à un laminage à froid de l'acier, dépourvu de particules mesurables ou de gouttelettes d'huile. Un liquide lubrifiant à phase unique peut comprendre des polymères solubles dans l'eau, des additifs extrême-pression, des additifs antirouille et antimousse, et d'autres sortes d'additifs fonctionnels.
PCT/US2010/034232 2009-05-08 2010-05-10 Lubrifiant à solution aqueuse pour laminage à froid de l'acier WO2010129953A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201080030338.1A CN102574178B (zh) 2009-05-08 2010-05-10 用于钢冷轧的水溶液润滑剂

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17666409P 2009-05-08 2009-05-08
US61/176,664 2009-05-08

Publications (1)

Publication Number Publication Date
WO2010129953A1 true WO2010129953A1 (fr) 2010-11-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104080551A (zh) * 2011-12-29 2014-10-01 西马克·西马格公司 用于轧制轧件的方法和装置以及冷却润滑剂的应用
CN107892987A (zh) * 2011-12-16 2018-04-10 奎克化学（中国）有限公司 夹送辊润滑

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4636321A (en) * 1985-09-30 1987-01-13 Reynolds Metals Company Water soluble lubricant
US4758359A (en) * 1987-03-16 1988-07-19 Reynolds Metals Company Aqueous metal working lubricant containing a complex phosphate ester
US7018959B2 (en) * 2003-10-29 2006-03-28 Miller Environmental Water-based metal working fluid

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