CN102264882A - Lubricating oil for hot rolling oil and process for manufacturing hot-rolled sheet - Google Patents

Lubricating oil for hot rolling oil and process for manufacturing hot-rolled sheet Download PDF

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Publication number
CN102264882A
CN102264882A CN2009801520617A CN200980152061A CN102264882A CN 102264882 A CN102264882 A CN 102264882A CN 2009801520617 A CN2009801520617 A CN 2009801520617A CN 200980152061 A CN200980152061 A CN 200980152061A CN 102264882 A CN102264882 A CN 102264882A
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China
Prior art keywords
hot
rolling
oil
quality
composition
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Inventor
市本武彦
村尾伸介
有村仁
信浓升
池田昌则
中西裕信
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Kao Corp
Kobe Steel Ltd
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Kao Corp
Kobe Steel Ltd
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Publication of CN102264882A publication Critical patent/CN102264882A/en
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    • 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
    • C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen 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
    • 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • 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
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
    • 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
    • C10M2207/40—Fatty vegetable or animal 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • 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
    • C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
    • 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
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/024—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
    • 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
    • C10M2223/041—Triaryl phosphates
    • 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
    • C10M2223/049—Phosphite
    • 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
    • C10N2020/02—Viscosity; 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
    • C10N2030/06—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
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/24—Metal working without essential removal of material, e.g. forming, gorging, drawing, pressing, stamping, rolling or extruding; Punching metal
    • 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
    • C10N2040/245—Soft metals, e.g. aluminum

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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)
  • Lubricants (AREA)

Abstract

A lubricating oil for use in hot rolling oil for aluminum sheets, which comprises (a) a mineral oil having a kinematic viscosity of 80mm2/s or below (at 40 DEG C), (b) 1 to 14mass% of a fatty acid having 10 to 22 carbon atoms, (c) 5 to 15mass% of either a fat or an oil, and/or a synthetic ester, (d) 5 to 10mass% of a phosphorus-containing extreme-pressure agent, (e) 0.1 to 1mass% of a polyoxyethylenealkylamine, and 0.1 to 10mass% of an organic acid salt of a copolymer composed of at least one amine monomer, (meth)acrylamide, and a (meth)acrylic acid salt, and in which the (c)/(d) mass ratio is 1/0.6 to 1/1. The lubricating oil exerts excellent lubricity in hot rolling, and exhibits excellent anticorrosiveness to iron, whereby a rolled aluminum sheet with excellent surface quality can be obtained.

Description

Hot-rolling oil is with the manufacture method of lubricating oil and hot-rolled sheet
Technical field
The present invention relates to aluminium sheet with hot-rolling oil lubricating oil.In addition, the invention still further relates to the hot-rolling oil of having used described hot-rolling oil usefulness lubricating oil.And then, the invention still further relates to the manufacture method of the hot-rolled sheet relevant with the aluminium sheet that uses described hot-rolling oil.Described hot-rolling oil is used in the rectangular rolling roughing operation by for example carrying out in the manufacture method of this hot-rolled sheet.In addition, " aluminium sheet " expression " pure aluminum plate and/or aluminium alloy plate " of " aluminium sheet is used " of expression purposes among the present invention.
Background technology
In general, aluminium sheet is by following manufacturing: to implemented fusion, casting, building up by welding, the slab of handling that homogenizes implements hot rolling, make tabular after, implement as required cold rolling, annealing, finishing procedure (be cut into suitable product size width operation or reach correction process of smooth surfaces etc.), implement surface treatment procedure more as required, thereby make.In described manufacturing process, hot-rolled process is an of paramount importance manufacturing process concerning the quality of aluminium sheet goods.In addition, in described hot-rolled process, implement following two kinds of methods: the method for utilizing the hot roughing mill (roughing mill) of reverse manner to carry out utilizing after the roughing hot finishing mill (trimming machine) of series system to carry out finish rolling; With the method for utilizing 1 hot roughing finish rolling dual-purpose roller mill to carry out roughing and finish rolling by same roller mill.
In the hot rolling of aluminium sheet, aluminium moves to the Rolling roller surface from the milled sheet surface, forms roller coating.Thereby milled sheet contacts with roller coating and is rolled, so the surface quality of milled sheet is controlled by the proterties of roller coating.Because the surface imperfection of the plate that takes place during hot rolling also influences the plate surface quality after cold rolling, thereby we can say that hot rolled roller coating proterties is very important.The roller coating proterties is along with rolling all conditions (sheet material matter, plate temperature, plate surfaceness, roll temperature, roll surface roughness, draft, roll speed, brush roll operational condition etc.) and hot-rolling oil and change.Thereby the aspect that is chosen in the control roller coating of hot-rolling oil is integral.
In the hot rolling, because the property of roller cooling fully is necessary, thereby hot-rolling oil is used with the form of emulsion.As the desired performance of the hot-rolling oil of aluminium sheet, can enumerate rolling lubrication, roller coating, plate surface quality, emulsifying stability, anti-iron rot etc.All the time, hot-rolling oil as aluminium sheet, normally in mineral oil, cooperate oiliness rising agent, extreme pressure agent, rust-preventive agent, antioxidants etc. such as lipid acid, natural fats and oils, fatty acid ester as lubricant base, it is mainly utilized anionic surfactant's emulsification, make emulsion and use.
But, use in the past the aluminium sheet of emulsifying agent with in the hot-rolling oil, rolling lubrication and the opposite tendency of emulsifying stability demonstration can't satisfy two performances simultaneously.That is, then emulsifying stability reduction when increasing rolling lubrication, the ageing stability of rolling lubrication also reduces as a result, thereby the quality stability of surface of aluminum plate becomes problem.On the other hand, then can't obtain sufficient rolling lubrication when increasing emulsifying stability, the result produces various defectives in surface of aluminum plate.
In order to satisfy simultaneously, the hot-rolled oil composition (patent documentation 1) that combination has specific lubricating oil family and specific water-soluble cationic macromolecular compound has been proposed as so rolling lubrication, emulsifying stability and the plate surface quality of opposite characteristic.In addition, also proposed and used the hot-rolling oil (patent documentation 2) that specific lubricating oil family and anionic surfactant and nonionic surfactant are arranged.
The prior art document
Patent documentation
Patent documentation 1: No. 2869850 specification sheets of Japanese Patent
Patent documentation 2: No. 2990021 specification sheets of Japanese Patent
Summary of the invention
Invent problem to be solved
In recent years, because the aluminium milling material is oriented to low-cost and high-quality goods, thereby need to obtain the hot-rolling oil of more stable rolling lubrication and plate surface quality characteristic.For example, the 1xxx that 3xxx line aluminium alloy based material of using etc. with the beverages can body or press plate are used etc. is that the fine aluminium based material is the center, inquired into the cost degradation be purpose omission the manufacture method of annealing operation, following manufacture method is just becoming main flow, promptly not by annealing operation but, also can improve quality characteristic by the suitabilityization that hot-rolled process is arranged the aluminium tissue of the shaping processability of aluminium sheet goods or the appearance characteristics after the surface treatment.In order to obtain the suitable tissue of end article, when reaching suitable structural state by described hot-rolled process, hot-rolled condition is oriented to gimmicks such as more heavy reductionization compared with the past or Deformation velocity raising, because the harsh oilness deficiency that rolling condition caused has the tendency that is easy to surface abnormalities such as freezing.Thereby, employed hot-rolling oil is required than higher in the past oilness.And, when the oilness of hot-rolling oil can improve, because resistance to deformation is very big, even if thereby the many aluminium alloy plate of the Mg content that is difficult in hot roughing, to cut down the road number of times owing to oilness is not enough (beverage can cover with 5xxx line aluminium alloys such as 5182 line aluminium alloys), can expect that also hot roughing road number of times is cut down or the raising of the productivity that the roll speed raising is brought.On the other hand, also be necessary to consider the not deterioration of nipping property in hot roughing of the little lining aluminium rolling stock of resistance to deformation, the little not deterioration of nipping property of pure aluminum plate of frictional coefficient when particularly rolling.Thereby, also require aluminium sheet to satisfy these opposite characteristics that requires with hot-rolling oil.
In the patent documentation 1, consider the amount that increases in the lubricating oil family as the lipid acid of oiliness rising agent, but the ratio of the lipid acid in making hot-rolled oil composition increases to 15 quality % when above, exist and have the very problem of severe corrosive, and to follow the rolling metallic soap that carries out being produced be high-viscosity material, thereby also exist roller mill periphery pollution problems.
In addition, in the technology that patent documentation 2 is put down in writing, as the effort that under the situation that does not make anti-iron rot deterioration, improves rolling lubrication, thereby the hot-rolling oil that the natural fats and oils by using more amount and/or content that synthetic ester limits lipid acid improve rolling lubrication has been proposed.But in carrying out rectangular rolling roughing operation, because the rolling lubrication raising, nipping property can worsen, operability reduces.In addition, the plate surface quality of aluminium alloy plate does not improve.
Under the rolling condition of harshnesses such as the hot-rolled condition of hot-rolled process more heavy reductionization compared with the past and/or Deformation velocity raising, also can obtain aluminium sheet that the excellent and aluminium that have excellent nipping property, a plate surface quality of rolling lubrication and anti-iron rot rolls plate with hot-rolling oil lubricating oil even the object of the present invention is to provide.
In addition, the present invention also aims to provide the hot-rolling oil of having used described hot-rolling oil to use lubricating oil.And then, the present invention also aims to provide the manufacture method of the aluminium hot-rolled sheet that has used described hot-rolling oil.
Be used to solve the means of problem
That is, the present invention relates to a kind of aluminium sheet with hot-rolling oil lubricating oil, it contains:
(a) kinematic viscosity is 80mm 2Mineral oil below the/s (40 ℃),
(b) carbon number of 1～14 quality % be 10～22 lipid acid,
(c) grease of 5～15 quality % and/or synthetic ester,
(d) phosphorus of 5～10 quality % be extreme pressure agent,
(e) polyoxyethylene alkyl amine of 0.1～1 quality % and
(f) organic acid salt of the following multipolymer of 0.1～10 quality %, described multipolymer be the amine shown in the following general formula (1) be monomeric more than one, the multipolymer of (methyl) acrylamide and (methyl) acrylate,
Figure BDA0000070542760000041
(the R in the formula 1Expression hydrogen atom or methyl, R 2And R 3Identical or different, the expression carbon number is 1～3 alkyl, and A represents-NH-that m represents 1～3 integer),
Wherein, the weight-average molecular weight of the organic acid salt of described multipolymer is 10000～1000000, and the organic acid that uses in the organic acid salt of described multipolymer is by general formula (2) expression, and the mass ratio (composition (c)/composition (d)) of described composition (c) and composition (d) is 1/0.6～1/1
R 4COOH (2)
(in the formula, R 4The expression carbon number is that 1～5 alkyl, carbon number are that the carbon number of 1～5 hydroxyalkyl, alkyl portion is 1～5 carboxyalkyl or carboxyl).
In addition, the invention still further relates to a kind of aluminium sheet hot-rolling oil, it contains described hot-rolling oil lubricating oil and water.
In addition, the invention still further relates to a kind of manufacture method of hot-rolled sheet, it has at described aluminium sheet with in the presence of the hot-rolling oil aluminium sheet being carried out the hot rolled operation.
The invention effect
Used aluminium sheet of the present invention to roll hot-rolled process in the manufacturing process of plate, particularly carry out in the rectangular rolling hot roughing operation at aluminium with the hot-rolling oil of lubricating oil (below be called hot-rolling oil lubricating oil of the present invention), rolled plate even also can obtain the excellent and aluminium that when having kept nipping property, also have a good plate surface quality of rolling lubrication and anti-iron rot under the harsh rolling condition of hot rolling system condition more heavy reductionization compared with the past and/or Deformation velocity raising etc. with hot-rolling oil.
Also contain in the hot-rolled oil composition of patent documentation 1 and the hot-rolling oil of the present invention identical composition of lubricating oil.But, though the hot-rolled oil composition of patent documentation 1 can be reached taking into account of rolling lubrication and plate surface quality to a certain degree for the hot-rolled condition of in the past aluminium sheet, can not fully satisfy for the requirement that becomes in order to tackle in recent years low-cost and high-quality goods to point to the situation of harsh rolling conditions such as hot-rolled condition heavy reductionization and/or Deformation velocity raising.Usually in order to improve rolling lubrication, consider the amount that increases grease or synthetic ester, but when the amount of increase grease or synthetic ester, then frictional coefficient reduce, particularly the nipping property deterioration of pure aluminum plate.In addition,, phosphorus can under the situation that does not improve rolling lubrication, improve the plate surface quality though being extreme pressure agent, because phosphorus is the extreme pressure agent costliness, thereby use that can't volume.In addition, though lipid acid is effective to rolling lubrication and plate surface quality, when usage quantity increased, then anti-iron rot worsened.So,, for lubricating oil, limit to some extent for hot-rolling oil for the usage ratio of each composition.Hot-rolling oil of the present invention contains the composition identical with the hot-rolled oil composition of patent documentation 1 with lubricating oil, but is the usage ratio of compositions such as extreme pressure agent by not increasing this hot-rolling oil with the grease that uses in the lubricating oil or synthetic ester and phosphorus, and be controlled to the usage ratio of grease or synthetic ester with phosphorus is that the usage ratio of extreme pressure agent equates or is the degree that the usage ratio of extreme pressure agent is Duoed slightly than phosphorus, even if by the situation of harsh rolling condition such as heavy reductionization and/or Deformation velocity raising, also can take into account rolling lubrication and plate surface quality for the hot-rolled condition of the aluminium sheet of requirement for height characteristic in recent years, and then satisfy anti-iron rot, nipping property.
Embodiment
As the mineral oil of hot-rolling oil of the present invention, for example can enumerate spindle oil, machine oil, turbine oil, cylinder oil, neutral lubricated wet goods with the composition (a) of lubricating oil.These mineral oil are from the aspect of thermotolerance and rolling lubrication, more preferably paraffin series mineral oil.Described mineral oil uses viscosity to be 80mm 2The following person of/s (40 ℃).Described viscosity surpasses 80mm 2During/s, then the plate surface quality can reduce.This composition (a) is the base oil of hot-rolling oil of the present invention with lubricating oil, can use a kind or be used in combination more than 2 kinds separately, composition (a) is below the 88.8 quality % with respect to hot-rolling oil with the ratio of lubricating oil integral body, from the viewpoint of rolling lubrication, anti-iron rot, plate surface quality, nipping property, aforementioned proportion is preferably 51～88.8 quality %, more preferably 60～85 quality %, 65～80 quality % more preferably.
As the carbon number of composition (b) 10～22 lipid acid, can enumerate capric acid, lauric acid, stearic acid, Unimac 5680, oleic acid, erucic acid, palm oil fatty acid etc., viewpoint from rolling lubrication, emulsifying stability, anti-iron rot, plate surface quality, the carbon number of preferred fatty acid is 10～20, more preferably 13～20, and preferred carbon number is 13～20 and is unsaturated fatty acids or branched chain fatty acid.This composition (b) plays a role as the oiliness rising agent, can use a kind or be used in combination more than 2 kinds separately, from the viewpoint of emulsifying stability, owing to can not separate out for liquid at normal temperatures, thereby preferred oleic acid and Unimac 5680, oleic acid more preferably.In addition, composition (b) is 1～14 quality %, is preferably 2～12 quality %, 4～10 quality % more preferably with the ratio of the integral body of lubricating oil with respect to hot-rolling oil of the present invention.From the aspect of rolling lubrication, emulsifying stability, anti-iron rot, plate surface quality, preferably the ratio with described composition (b) is adjusted into above-mentioned scope.
As composition (c), use grease and/or synthetic ester.Grease is naturally occurring ester, and synthetic ester is made ester.As grease, can enumerate whale oil, butter, lard, rapeseed oil, Viscotrol C, plam oil, coconut wet goods animal-plant oil.In addition, as synthetic ester, can enumerate the synthetic ester (1) that obtains by lipid acid and 1 yuan or polyvalent alcohol.As lipid acid, the use carbon number is 10～22 lipid acid, for example can enumerate as the material of described composition (b) institute example or the lipid acid that is obtained by above-mentioned grease.As 1 yuan of alcohol, can enumerate carbon number and be 1 yuan of alcohol of aliphatics of 1～22, the viewpoint of slave plate surface quality is set out, and preferred carbon number is 1～15 fatty alcohol, more preferably carbon number is 1～8 fatty alcohol.As polyvalent alcohol, can enumerate ethylene glycol, TriMethylolPropane(TMP), tetramethylolmethane, glycerine etc.As synthetic ester (1), the preferred fat acid monoester can be enumerated methyl caprate, butyl stearate, laurel oleate, erucic acid 2-ethylhexyl, pentaerythritol monooleate, glyceryl monooleate etc. as object lesson.In addition, as synthetic ester, can enumerate the synthetic ester (2) that obtains by fatty alcohol and 1 yuan or polyprotonic acid.As fatty alcohol, can enumerate with above-mentioned carbon number be the fatty alcohol that 10～22 lipid acid has same carbon number, the viewpoint of slave plate surface quality is set out, preferred carbon number is 10～20 fatty alcohol, more preferably carbon number is 12～18 fatty alcohol.As polyprotonic acid, can enumerate phthalic acid, trimellitic acid, hexanodioic acid, sebacic acid etc.As the object lesson of synthetic ester (2), can enumerate dilauryl phthalate, tri trimellitate (2-ethylhexyl) ester, diisodecyl adipate, sebacic acid two greases etc.Composition (c) can use a kind or be used in combination more than 2 kinds separately, as composition (c), the viewpoint of slave plate surface quality set out preferred synthetic ester, more preferably synthetic ester (1), further the preferred fat acid monoester, be more preferably butyl stearate.This composition (c) plays a role as the oiliness rising agent, is preferably 5～15 quality %, 6～15 quality % more preferably with respect to hot-rolling oil of the present invention with the ratio of lubricating oil integral body.From the aspect of rolling lubrication, plate surface quality, nipping property, preferably the ratio with mentioned component (c) is adjusted to above-mentioned scope.
Extreme pressure agent is a material of giving rolling lubrication under the situation that does not reduce the frictional coefficient when rolling.Phosphorus as composition (d) is extreme pressure agent, for example can enumerate alkyl or alkenyl phosphoric acid ester or alkyl or alkenyl phosphorous acid ester, from the viewpoint of rolling lubrication and plate surface quality, preferred alkyl or alkenyl phosphoric acid ester or alkyl or alkenyl phosphorous acid ester.The alkyl in described phosphoric acid ester or the phosphorous acid ester or the carbon number of alkenyl are 4～18, as its object lesson, can enumerate dibutyl phosphate, mono-octyl phosphate, tricresyl phosphate grease, lindol, tributyl phosphate, phosphorous acid di-isooctyl, trioleyl phosphite, the different monooctyl ester of tricresyl phosphite etc., the viewpoint of slave plate surface quality is set out, and preferred carbon number is 4～15, more preferably carbon number is 4～8.Described phosphoric acid ester or phosphorous acid ester in monoesters, diester or three esters, from the aspect of anti-iron rot preferably as alkyl or alkenyl acid phosphoric acid ester or the alkyl or the acid phosphorous acid ester of alkenyl of three esters.This composition (d) can use a kind or be used in combination more than 2 kinds separately, and composition (d) is preferably 5～10 quality %, more preferably 6～10 quality %, 8～10 quality % more preferably with respect to hot-rolling oil of the present invention with the ratio of the integral body of lubricating oil.From the aspect of rolling lubrication, plate surface quality, preferably the ratio with mentioned component (d) is adjusted to above-mentioned scope.
In addition, described composition (c) and composition (d) reach 1/0.6～1/1 ratio with the mass ratio of composition (c)/composition (d) and use.Described mass ratio is preferably 1/0.7～1/1, more preferably 1/0.8～1/1.Set out in the aspect of slave plate surface quality, nipping property, preferably the ratio with described composition (c) and composition (d) is adjusted into above-mentioned scope.
As the polyoxyethylene alkyl amine of composition (e), can enumerate general formula (3): R 5-NH-(EO) n-H and or general formula (4): H-(EO) N1-NR 6-(EO) N2Compound shown in the-H (in the formula, R 5, R 6Be that carbon number is 10～18 alkyl, from the viewpoint of emulsifying stability and anti-iron rot, preferably carbon number is 10～16 alkyl, to be more preferably carbon number be 12～14 alkyl.EO represents oxyethylene group, and n, n1, n2 represent the average addition mole number of EO.N is preferably 2～10, from the viewpoint of emulsifying stability and anti-iron rot, and more preferably 2～8, more preferably 2～5.N1, n2 are more than 1 and n1+n2 is preferably 2～10, from the viewpoint of emulsifying stability and anti-iron rot, and more preferably 2～8, more preferably 2～5).This composition (e) plays a role, can use separately a kind or be used in combination more than 2 kinds as anticorrosive agent, from the viewpoint of emulsifying stability and anti-iron rot, is preferably the polyoxyethylene lauryl amine.Composition (e) is 0.1～1 quality %, is preferably 0.2～1 quality %, 0.4～1 quality % more preferably with the ratio of lubricating oil integral body with respect to hot-rolling oil of the present invention.From the aspect of emulsifying stability, anti-iron rot, preferably the ratio with described composition (e) is adjusted to above-mentioned scope.From the viewpoint of emulsifying stability and anti-iron rot, the HLB of composition (e) is preferably 6～13, more preferably 10～13.
As the organic acid salt of the described multipolymer of composition (f) for by the amine shown in the general formula (1) being the organic acid salt of the multipolymer that forms of monomer and (methyl) acrylamide and (methyl) acrylate.In addition, (methyl) acrylamide represents that acrylamide and/or Methacrylamide, (methyl) acrylate represent acrylate and/or methacrylate." (methyl) " is implication same as described above in this specification sheets.From the viewpoint of emulsifying stability, the amine shown in the general formula (1) is monomer and (amine is monomer to mol ratio in multipolymer of (methyl) acrylamide and (methyl) acrylate: (methyl) acrylamide: (methyl) acrylate) be preferably 50～90: 0.1～20: 10～50, more preferably 59～90: 1～10: 10～30, more preferably 69～90: 1～5: 10～25.
As the amine shown in the general formula (1) is monomer, for example can enumerate dimethyl aminoethyl (methyl) acrylamide, dimethylaminopropyl (methyl) acrylamide, diethylamino methyl (methyl) acrylamide etc.In described illustration,, be preferably dimethylaminopropyl Methacrylamide, diethylamino propyl group acrylamide from the viewpoint of emulsifying stability.
As (methyl) acrylate, can enumerate (methyl) alkali metal salts of acrylic acids such as (methyl) sodium acrylate, (methyl) potassium acrylate; (methyl) vinylformic acid organic amine salts such as (methyl) vinylformic acid monoethanolamine salt, (methyl) vinylformic acid diethanolamine salt, (methyl) vinylformic acid triethanolamine salt.
The organic acid that uses in the organic acid salt as the described multipolymer of (f) composition can be enumerated general formula (2): R 4Compound shown in the COOH is a amino in the monomer at the amine shown in the described general formula (1), as R 4COO -Form organic acid salt.In the described formula, as R 4, the carbon number that can enumerate carbon number and be 1～5 alkyl, carbon number and be 1～5 hydroxyalkyl, alkyl portion is 1～5 carboxyalkyl and carboxyl.As R 4,, be preferably methyl and carbon number and be 1～5 hydroxyalkyl from the viewpoint of emulsifying stability.As R 4COO -Object lesson, can enumerate acetato-, propionic acid ion, butyric acid ion, valeric acid ion, caproic acid ion, oxyacetic acid ion, lactic acid ion, hydroxy-propionic acid ion, oxalic ion, propanedioic acid ion, succsinic acid ion, pentanedioic acid ion, hexanodioic acid ion etc., wherein from the viewpoint of emulsifying stability, preferred acetato-, oxyacetic acid ion, lactic acid ion, hydroxy-propionic acid ion, more preferably acetato-and oxyacetic acid ion.
Weight-average molecular weight as the organic acid salt of the described multipolymer of composition (f) is preferably 10000～1,000000 scope, more preferably 30000～300000.The emulsifying stability of the organic acid salt of the described multipolymer of the weight average molecular weight of described scope is good, the property handled is good.In addition, weight average molecular weight is pressed following acquisition: add 0.5M sodium hydroxide 10ml in the organic acid salt 1g of this multipolymer, after placing hydrolysis in 2 hours under 95 ℃, utilize GPC (gel permeation chromatography) determining molecular weight, be converted into molecular weight before the hydrolysis according to its result, obtain thus.Concrete GPC condition is as follows.
Chromatographic column: α-M * 2 piece (Tosoh corporate system)
Chromatogram column temperature: 40 ℃
Elutriant: 0.15M sodium sulfate, 1% acetic acid aqueous solution
Detector: RI (differential refractometer)
Injection rate: 0.5% (wt/vol) elutriant aqueous solution, 100 μ l
Flow rate of liquid: 1.0ml/min
Molecular weight standard: pulullan polysaccharide (SHODEX corporate system)
(4 standards of 788000,194000,46700,5900)
As the organic acid salt of the described multipolymer of composition (f) except for example by the organic acid that after making described multipolymer, utilizes general formula (2) neutralize obtain, also can by use in the manufacturing of described multipolymer with the organic acid of general formula (2) with the amine shown in the general formula (1) be monomer in advance the neutral product obtain.
Described composition (f) can use a kind or be used in combination more than 2 kinds separately, and it is 0.1～10 quality %, is preferably 0.4～5 quality %, 0.6～3 quality % more preferably with the ratio of lubricating oil integral body with respect to hot-rolling oil of the present invention.From the aspect of rolling lubrication, plate surface quality, preferably the ratio with described composition (f) is adjusted to above-mentioned scope.
Hot-rolling oil of the present invention with in the lubricating oil except mentioned component, also can add known additive as required, for example rust-preventive agent, antioxidant and being used to improves the emulsifying agent of initial stage emulsifying property etc.
As rust-preventive agent, for example can use esters such as lipid acid such as alkenyl succinic and derivative, oleic acid, sorbitan list grease, other amine etc.These materials are preferably 0.2～2 quality %, 0.5～1.5 quality % more preferably with respect to hot-rolling oil of the present invention with the total amount of lubricating oil.
In addition, as antioxidant, for example can use 2, aromatic amines such as phenol system compounds such as 4-di-t-butyl-p-cresol, phenyl-a-naphthylamine etc., these materials preferably add 0.2～5 quality %, 0.5～1.5 quality % more preferably with respect to hot-rolling oil of the present invention with the total amount of lubricating oil.
In addition, as emulsifying agent, for example can use nonionic surfactants such as anionic surfactants such as triethanol amine oleate, mersolates, polyoxyethylene laurel ether etc., the content of emulsifying agent with respect to hot-rolling oil of the present invention with the total amount of lubricating oil be preferably below the 2 quality %, more preferably below the 1 quality %.
When using as hot-rolling oil with lubricating oil, hot-rolling oil of the present invention uses behind the dilute with water.This water dilution is that hot-rolling oil of the present invention is scattered in the hot-rolling oil emulsion (O/W type emulsification emulsion) that forms in the water with lubricating oil.The Dilution ratio of water is not particularly limited in the described water dilution, and usually the hot-rolling oil of the present invention in the water dilution is preferably 1～30 quality %, 2～15 quality % more preferably with the concentration of lubricating oil.From the viewpoint of rolling lubrication and emulsifying stability, the volume average particle size of the emulsion particle in the described hot-rolling oil emulsion is preferably 1～20 μ m, 5～15 μ m more preferably.
Hot-rolling oil of the present invention is used in the operation of utilizing the hot mill rolling aluminium sheet in the manufacture method of hot-rolled sheet.As rolling process, can adopt the method (for example " research of light metal and the Progress in technique " of light metal association, distribution on November 30th, 1991) of in the past carrying out, for example can enumerate and carry out rectangular rolling roughing operation or carry out the rolling finish rolling operation of coil.As the method that hot-rolling oil of the present invention is existed, can adopt in the past the ROLLING OIL plenum system (for example light metal association, distribution on November 30th, 1991 " research of light metal and Progress in technique ") that adopts, specifically can enumerate and utilize spraying to wait the method that is coated on the Rolling roller after hot-rolling oil made emulsion.That is, the manufacture method of hot-rolled sheet of the present invention is to have at aluminium sheet of the present invention with the manufacture method of in the presence of the hot-rolling oil aluminium sheet being carried out the hot-rolled sheet of hot rolled operation.Make method that aluminium sheet of the present invention is present in hot-rolled process with hot-rolling oil as mentioned above.
Embodiment
Embodiment 1～8, comparative example 1～6
Use has various hot-rolling oil lubricating oil and the water of forming shown in the table 1, prepares the hot-rolling oil that concentration is 2 quality % (O/W type emulsification emulsion) according to the aftermentioned condition.In addition, comparative example 3 is the hot-rolling oil of the cooperation of the invention product No.3 of the embodiment that is equivalent to patent documentation 1.
(hot-rolling oil emulsion manufacturing conditions)
Liquid temperature: 60 ℃
Stirrer: M type refiner (special machine chemical industry corporate system)
Rotating speed: 8000r/min
(condition determination of the volume average particle size of hot-rolling oil emulsion particle)
Tester: Ku Erte sreen analysis calculating instrument (BECKMAN COULTER corporate system)
Measure temperature: 25 ℃
Diluting condition: get each 30 μ l of prepared various hot-rolling oil, utilize hemodilution liquor (with the pure pharmaceutical worker's industry of light corporate system) to be diluted to 100ml, measure volume average particle size.
In addition, for above-mentioned hot-rolling oil, estimate rolling lubrication, plate surface quality, the non-corrosibility of anti-iron, the nipping property of aluminium alloy plate by test example shown below.
＜test example 1 〉
Prepared various hot-rolling oil are used two sections roller mills (200mm φ * 200mm is wide, SUJ-2, Hs=60), carry out rectangular rolling process (single pass) under the following conditions.In addition, the hot-rolling oil emulsion is to be conducted to hot-rolled process after being sprayed on the Rolling roller.
(rolling condition)
Rolling stock: the alloy aluminum material (A5182,40mm is wide * 700mm length * 3.3mm is thick)
The roller roughness: utilize pouncing paper to grind on rolling direction, the roughness of plate width direction is adjusted to Ra=0.3～0.4 μ m (Rz=3.5～4.0 μ m).
Plate temperature: 510 ℃
Roll speed: 40m/min
Draft: 45% (4 mean values)
Prepare rolling: in advance with draft 70% rolling fine aluminium material (A1100,40mm is wide * 700mm length * 3.5mm is thick).
(hot-rolling oil emulsion supply conditions)
Spray amount: 2L/min * up and down each 1,200kPa
" rolling lubrication (rolling test) "
Utilize the rolling load of draft=45% o'clock to estimate rolling lubrication.For each hot-rolling oil carry out 4 times the test, with its mean value as rolling lubrication.When rolling load is 430MPa when following, rolling lubrication is good.Show the result in table 1.The face pressure that mean value (recording by being assembled in two sections load cells in the roller mill) and contact area (thickness of slab by rolling front and back is tried to achieve) calculated when in addition, rolling load was expressed as by load rolling.
" nipping property (rolling test) "
Frictional coefficient by preparing when rolling is estimated " the nipping property " of pure aluminum plate.To each hot-rolling oil carry out 4 times the test, with its mean value as nipping property.Frictional coefficient is 0.16 when above, and then nipping property is good.Show the result in table 1.
In addition, frictional coefficient is following tries to achieve: use the working roll that has slivering, mensuration is transferred to the spacing (slivering is to the distance of slivering) of the slivering of the material (milled sheet surface) after rolling, by Rolling roller with specific slivering between distance L 1 calculate before sliding rate, thereby try to achieve by following formula.
μ＝0.5×[(h1-h2)/R2] 0.5/{1-2×[(1-r)×δ/r] 0.5}
(μ represents that frictional coefficient, h1 represent that rolling preceding thickness of slab (mm), h2 represent that rolling back thickness of slab (mm), R2 represent that flat roller diameter (mm), r represent that draft, δ represent preceding sliding rate)
R2＝R×{1+16×(1-v 2)×P/[π×E×b×(h1-h2)]}
(R represents that roller diameter, v represent that Poisson's ratio, P represent that rolling load, E represent that Young's modulus, b display plate are wide.)
r＝(h1-h2)/h1
δ＝(L1-L2)/L1
(L1 represent Rolling roller with slivering (mark) between distance (mm), L2 represent to be needed on distance (mm) between the mark of milled sheet)
Use following value to implement among the present invention particularly.
h1＝3.5mm、r＝0.7、R＝100mm、b＝40mm。
Because the material of roll is an iron, thereby v and E be the value of iron, v=0.3, E=20000.
＜test example 2: plate surface quality (alumite test) 〉
The alumite processing is carried out in the milled sheet that test example 1 obtains under the following conditions, and mensuration has been carried out the whiteness on the milled sheet surface after the alumite processing, estimates the plate surface quality.For each hot-rolling oil carry out 4 times the test, with its mean value as the plate surface quality.Following whiteness is judged to be 4 fens when above, and then the plate surface quality is good.Show the result in table 1.
(test conditions)
Treatment soln: 15w/v% aqueous sulfuric acid
Treatment temp: 20 ℃
Current density: 2A/dm 2
Treatment time: 20min
Washing methods: in the flowing water of 2 liters/minute in tap water, behind the dipping 10min, wash with ion exchanged water.
(condition determination)
Measure machine: beam split color meter SE-2000 (Japanese electric look industrial system)
Mensuration project: whiteness WB
Decision method (situation of A5182)
Judgement is based on following standard.The value of whiteness WB is big more, and then the plate surface quality is good more.
5: whiteness WB is more than 34
4: whiteness WB is more than 30 but less than 34
3: whiteness WB is more than 24 but less than 30
2: whiteness WB is more than 20 but less than 24
1: whiteness WB is less than 20
＜test example 3 (anti-iron rot) 〉
Prepared various hot-rolling oil are carried out corrosion test under the following conditions, by corrosion speed (mg/m 2Day) estimate the non-corrosibility of anti-iron.To each hot-rolling oil carry out 4 times the test, with its mean value as anti-iron rot.Corrosion speed is 200mg/m 2When day was following, the iron non-corrosibility was good.Show the result in table 1.In addition, corrosion speed is to utilize the test film quality of precision balance determination test front and back, is calculated by quality that is reduced and test film area.
(test conditions)
Test film: the SS-400 plate (3mm is thick * 50mm * 50mm)
Pre-treatment: after using the #240 pouncing paper to grind, use solvent to carry out degreasing.
Dipping method: thorough impregnation in M type refiner 6000r/min stirs
Test temperature: 60 ℃
Test period: 3 days
Figure BDA0000070542760000131
In addition, the material that is expressed as follows of the organic acid salt of the mineral oil in the above-mentioned table 1, lipid acid, grease, ester, extreme pressure agent, anticorrosive agent, multipolymer, other additive.
Mineral oil A: (kinematic viscosity is 30mm to paraffin series mineral oil 2/ s, 40 ℃) (Nippon Oil(Nippon Mitsubishi Oil) corporate system, Super Oil K32)
Mineral oil B: (kinematic viscosity is 30mm to naphthene series mineral oil 2/ s, 40 ℃) (the emerging product corporate system of bright dipping, Diana Fresia N-28)
Lipid acid A: oleic acid (Kao Corp's system, LUNAC O-P)
Fat A: plam oil (planting field system oil corporate system, RPO ACE)
Grease B: lard (Kishida chemical company system, reagent)
Ester A: butyl stearate (Kao Corp's system, EXCEPARL BS)
Ester B: dilauryl phthalate (Kao Corp's system, VINYCIZER 124)
Ester C: TriMethylolPropane(TMP) coco-nut oil fatty acid three esters (Kao Corp's system, ADDLUBE E-124)
Extreme pressure agent A: lindol (AJINOMOTO corporate system, DURAD TCP)
Extreme pressure agent B: the different monooctyl ester of tricresyl phosphite (north of the city chemical industrial company system, JP-308E)
Anticorrosive agent A: polyoxyethylene lauryl amine (average EO=5 mole addition, HLB=10.4) (Kao Corp's system, AMIET 105)
The organic acid salt A of multipolymer: the acetate corrective of the multipolymer of dimethylaminopropyl acrylamide/acrylamide/sodium acrylate=80/5/15 (weight-average molecular weight=100000) (pure pharmaceutical worker's industry corporate system monomer of use and light and polymerization starter are synthetic in the laboratory, and temperature of reaction is 50 ℃)
The organic acid salt B of multipolymer: the oxyacetic acid corrective of the multipolymer of dimethylaminopropyl Methacrylamide/acrylamide/sodium acrylate=84/1/15 (weight-average molecular weight=50000) (pure pharmaceutical worker's industry corporate system monomer of use and light and polymerization starter are synthetic in the laboratory, and temperature of reaction is 50 ℃)
Additive A: rust-preventive agent (cetene base succsinic acid) (Kao Corp's system, L-ASA)
Additive B: antioxidant (2,6-di-t-butyl-p-cresol) (API Corporation corporate system, YOSHINOX BHT)
Addition of C: polyoxyethylene laurel ether (average EO=7 mole addition, HLB=12.1) (Kao Corp's system, EMULGEN 707)
Additive D: trolamine (with the pure pharmaceutical worker's industry of light corporate system, reagent)
Additive E: Oleum Cocois is carbinol (Kao Corp's system, KALCOL 2455) also
As shown in Table 1, use hot-rolling oil of the present invention can satisfy all characteristics of nipping property of the anti-feeding habits of rolling lubrication, plate surface quality, anti-iron, the pure aluminum plate of aluminium alloy plate with the hot-rolling oil emulsion of lubricating oil preparation, and can't satisfy relatively product that the present invention constitutes at least 1 above-mentioned aspect of performance existing problem.By on think that hot-rolling oil of the present invention is all effective for the nipping property of the rolling lubrication of pure aluminum plate, plate surface quality, the anti-feeding habits of anti-iron and aluminium alloy plate with lubricating oil.

Claims (4)

1. an aluminium sheet is with hot-rolling oil lubricating oil, and it contains:
(a) kinematic viscosity under 40 ℃ is 80mm 2Mineral oil below the/s,
(b) carbon number of 1～14 quality % be 10～22 lipid acid,
(c) grease of 5～15 quality % and/or synthetic ester,
(d) phosphorus of 5～10 quality % be extreme pressure agent,
(e) polyoxyethylene alkyl amine of 0.1～1 quality % and
(f) organic acid salt of the following multipolymer of 0.1～10 quality %, described multipolymer are to be more than one the multipolymer of monomer, (methyl) acrylamide and (methyl) acrylate in the monomer by the amine shown in the following general formula (1),
Figure FDA0000070542750000011
R in the formula (1) 1Expression hydrogen atom or methyl, R 2And R 3Identical or different, the expression carbon number is 1～3 alkyl, and A represents-NH-that m represents 1～3 integer,
Wherein, the weight-average molecular weight of the organic acid salt of described multipolymer is 10000～1000000, and the organic acid that uses in the organic acid salt of described multipolymer is represented by following general formula (2), and the mass ratio of described composition (c) and composition (d) is that the mass ratio of composition (c)/composition (d) is 1/0.6～1/1
R 4COOH (2)
In the formula (2), R 4The expression carbon number is that 1～5 alkyl, carbon number are that the carbon number of 1～5 hydroxyalkyl, alkyl portion is 1～5 carboxyalkyl or carboxyl.
2. aluminium sheet according to claim 1 is with hot-rolling oil lubricating oil, and wherein, composition (c) is a butyl stearate.
3. aluminium sheet hot-rolling oil, it contains claim 1 or 2 described hot-rolling oil with lubricating oil and water.
4. the manufacture method of a hot-rolled sheet, it is included in the described aluminium sheet of claim 3 with under the existence of hot-rolling oil aluminium sheet being carried out the hot rolled operation.
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