CN112011394A - Environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil and preparation method thereof - Google Patents

Environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil and preparation method thereof Download PDF

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CN112011394A
CN112011394A CN202010957648.3A CN202010957648A CN112011394A CN 112011394 A CN112011394 A CN 112011394A CN 202010957648 A CN202010957648 A CN 202010957648A CN 112011394 A CN112011394 A CN 112011394A
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graphene oxide
aluminum foil
rolling oil
based nano
environment
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CN112011394B (en
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熊桑
王章忠
赵伟
陈金山
林伟
毛向阳
张超
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Nanjing Institute of Technology
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Nanjing Institute of Technology
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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
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/15—Nano-sized carbon materials
    • C01B32/182—Graphene
    • C01B32/194—After-treatment
    • 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
    • C10M125/10—Metal oxides, hydroxides, carbonates or bicarbonates
    • 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
    • C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
    • 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
    • C10M2201/04—Elements
    • C10M2201/041—Carbon; Graphite; Carbon black
    • 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
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
    • 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
    • C10M2207/021—Hydroxy compounds having hydroxy 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
    • C10M2207/10—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
    • C10M2207/126—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 monocarboxylic
    • 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
    • C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/06—Organic compounds derived from inorganic acids or metal salts
    • C10M2227/061—Esters derived from boron
    • C10M2227/062—Cyclic esters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency

Abstract

The invention discloses environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil which is prepared from the following components in percentage by weight: base oil D140, 91-98; 0.1-0.2 parts of graphene oxide-based nano titanium dioxide; 0.1-0.3 parts of graphene oxide-based nano zinc oxide; octadecenoic acid, 0.3-0.5; triethanolamine borate, 0.5-1.5; 0.3-1.5 parts of dodecanol; 0.3-3.0 parts of isooctyl stearate; dodecanoic acid, 0.6-1.5; t508, 0.1-0.5. The aluminum foil surface treatment agent has high-efficiency lubricating performance and a certain surface repairing function, can obviously improve the surface quality of the rolled aluminum foil, and can also improve the annealing performance of rolling oil.

Description

Environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil and preparation method thereof
Technical Field
The invention belongs to the field of lubricating oil, relates to lubricating oil, and particularly relates to environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil and a preparation method thereof.
Background
Three major elements of modern rolling are automatic control, high-quality rolling and precise lubrication technology. In a broad sense, the lubrication conditions determine other process parameters, and the lubricant plays a role in cooling, cleaning and lubrication during rolling, so that the plate shape, the pin holes and the surface state all depend on the performance of the lubricant and the use condition thereof, and especially the lubrication plays a decisive role today with higher and higher rolling speed (reaching 2200m/min and developing towards 2500 m/min), wider and wider width (exceeding 2200mm in width), thinner and thinner thickness (thinnest reaching 4 μm), higher and higher precision and higher automation degree.
In cold rolling, work hardening increases the deformation resistance of the metal, the specific pressure is higher, and the energy consumption is increased. The deformation heat and friction heat of the metal raise the temperature of the rolled piece and the roll, and are more prominent when the processing rate is high, the rolling speed is high and the pressure is high. And the cold rolled product has high requirements on precision, performance and surface quality. The cold rolling characteristics put forward higher requirements on the lubricant, namely that the base oil has proper viscosity and good lubricating property, the friction coefficient is proper, the oil film strength is high, the damage is avoided under high pressure, the base oil can be uniformly attached, the adhesive force is large, the rolled piece and the roller are not corroded, and the flash point is easy to remove. The flash point is too high, the material is not easy to volatilize during annealing, so that oil spots generated on the surface of the product are low in sulfur and aromatic hydrocarbon, and the material is non-toxic and tasteless and has rich resources.
In recent years, with the rapid development of electronic technology, electrolytic capacitors having excellent performance, large capacity, low cost, and easy processing have been widely used in products such as information electronic devices, instruments, electromechanics, and home appliances. The aluminum foil rolling is developed towards high speed and wide width, and new requirements are provided for the process lubrication performance of the aluminum foil rolling oil. In order to reduce the adverse effect of external friction and ensure the smooth rolling process in the aluminum foil rolling process, a lubricant is usually applied between the roller and the aluminum foil for lubrication, so that the surface quality of an aluminum foil product is improved, improved and influenced, the production efficiency is further improved, the abrasion of the roller is reduced, and the service life of the roller is prolonged. Researchers at home and abroad find that the lubricating effect of the additive of the compound system is better than that of the additive of a single system, but the selection of the additive needs to be considered from various aspects, such as reduction of friction coefficient, annealing oil spots, oxidative deterioration, toxicity and the like. Meanwhile, the application technology of the clean and environment-friendly process in the production process is also paid more attention.
Disclosure of Invention
The invention provides environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil and a preparation method thereof, and aims to overcome the defects of the prior art.
In order to achieve the purpose, the invention provides environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil which is prepared from the following components in percentage by weight: base oil D140, 91-98; 0.1-0.2 parts of graphene oxide-based nano titanium dioxide; 0.1-0.3 parts of graphene oxide-based nano zinc oxide; octadecenoic acid, 0.3-0.5; triethanolamine borate, 0.5-1.5; 0.3-1.5 parts of dodecanol; 0.3-3.0 parts of isooctyl stearate; dodecanoic acid, 0.6-1.5; t508, 0.1-0.5.
In the rolling oil, base oil D140 is base oil, graphene oxide based nano titanium dioxide, graphene oxide based nano zinc oxide, octadecenoic acid and triethanolamine borate are extreme pressure agents, dodecanol, isooctyl stearate and dodecanoic acid are oiliness agents, and phenolic ester T508 is an antioxidant.
Further, the invention provides an environment-friendly and efficient lubricating type ultrathin aluminum foil rolling oil, which can also have the following characteristics: wherein, the graphene oxide based nano titanium dioxide: graphene oxide-based nano zinc oxide: octadecenoic acid: the weight ratio of the triethanolamine borate is 1:1:3:5-2:3:5: 15.
Further, the invention provides an environment-friendly and efficient lubricating type ultrathin aluminum foil rolling oil, which can also have the following characteristics: wherein, the ratio of dodecanol: the weight ratio of the isooctyl stearate to the dodecanoic acid is 1:1:2-1:2: 1.
Further, the invention provides an environment-friendly and efficient lubricating type ultrathin aluminum foil rolling oil, which can also have the following characteristics: wherein the graphene oxide-based nano titanium dioxide has a size of 20-100 nm.
Further, the invention provides an environment-friendly and efficient lubricating type ultrathin aluminum foil rolling oil, which can also have the following characteristics: wherein the size of the graphene oxide-based nano zinc oxide is 20-100 nm.
The invention also provides a preparation method of the environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil, which comprises the following steps of firstly, adding the graphene oxide-based nano titanium dioxide, the graphene oxide-based nano zinc oxide, the octadecenoic acid and the triethanolamine borate into the base oil D140, putting the mixture into a reaction kettle, heating and stirring the mixture, keeping the temperature at 60-80 ℃, and continuously stirring the mixture for 20-40 minutes; and step two, adding the dodecanol, the dodecanoic acid, the isooctyl stearate and the T508 into the reaction kettle, continuing stirring and heating, keeping the temperature for 30-60 minutes when the temperature reaches 70-80 ℃, and then stopping heating and continuing stirring to room temperature to obtain uniform transparent oil, namely the lubricating ultrathin aluminum foil rolling oil.
Further, the invention provides a preparation method of the environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil, which can also have the following characteristics: in the first step, the graphene oxide-based nano titanium dioxide, the graphene oxide-based nano zinc oxide, the octadecenoic acid and the triethanolamine borate are added into the base oil D140 in the above order; in the second step, the dodecanol, the dodecanoic acid, the isooctyl stearate and the T508 are added into the reaction kettle in the sequence.
Further, the invention provides a preparation method of the environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil, which can also have the following characteristics: wherein, in the first step, the rotating speed of the reaction kettle is 1000-2500 rpm; in the second step, the rotation speed of the reaction kettle is 600-1500 rpm.
Further, the invention provides a preparation method of the environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil, which can also have the following characteristics: the preparation method of the graphene oxide-based nano titanium dioxide comprises the following steps: add 4.0g lauric acid to 50mL ethanol and stir for 20 minutes; then adding 2.0g of tetrabutyl titanate, and stirring at 20 ℃ to form a uniform solution tetrabutyl titanate-ethanol solution; dispersing 0.5g of graphene oxide in 50mL of ethanol; then, continuously stirring for 30 minutes at 60 ℃, and then carrying out ultrasonic dispersion treatment for 40 minutes in a water bath at 50 ℃ to obtain a uniformly dispersed dark brown graphene oxide solution; adjusting the pH of the graphene oxide solution to 7 by using ammonia and acetic acid; dropwise adding tetrabutyl titanate-ethanol solution into the graphene oxide solution which is stirred at the constant temperature of 20 ℃ to obtain uniformly mixed solution; the resulting mixed suspension was transferred to a Teflon-lined hydrothermal reaction kettle of 250mL capacity and heated and dried in an electric oven at 180 ℃ for 10 hours, and after cooling to room temperature, the final product suspension was filtered and washed with ethanol and water several times to remove unreacted materials.
Further, the invention provides a preparation method of the environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil, which can also have the following characteristics: the preparation method of the graphene oxide-based nano zinc oxide comprises the following steps: 14.27g of Zn (NO)3)2·6H2O, 6.26g of citric acid and 15mL of distilled water are mixed, a ZnO-containing solution is obtained by a citric acid natural method, the ZnO-containing solution is heated to 50 ℃ and then is put into a graphene oxide solution to be stirred for 1h, the suspension is heated to 70 ℃ again, ultrasonic treatment is conducted to generate a black solid, the black solid is filtered and dried at 50 ℃, and the black solid is stored in a 700w microwave oven for 3 minutes, so that the graphene oxide-based nano zinc oxide black solid is finally obtained.
The invention has the beneficial effects that: the invention provides environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil and a preparation method thereof, in the rolling oil, base oil D140 has the characteristics of high flash point, narrow distillation range, proper kinematic viscosity and the like, and the tribological properties of various extreme pressure agents are excellent.
The rolling oil can be directly used in the aluminum foil rolling process and can be used for rolling ultrathin aluminum plates. Meanwhile, the aluminum foil rolling oil is simple to use and convenient to operate, has no toxic or pungent smell in the aluminum foil rolling process, and can reduce the environmental problems caused by the traditional lubricating oil. The product has good antibacterial and efficient lubricating performance and a certain surface repairing function, can obviously improve the surface quality of the rolled aluminum foil, and can also improve the annealing performance of rolling oil.
Drawings
FIG. 1a is a TEM image of graphene oxide based nano-titania;
FIG. 1b is a TEM image of graphene oxide based nano zinc oxide;
figure 1c is a TEM image of graphene oxide;
FIG. 1d is a TEM image of titanium dioxide;
FIG. 1e is a TEM image of zinc oxide;
FIG. 2a is a graph of the anneal cleaning performance of example 1;
FIG. 2b is a graph of the anneal cleaning performance of example 2;
FIG. 2c is a graph of the anneal cleaning of example 3;
FIG. 2d is a graph of the lube anneal cleanliness of graphene oxide doped iron oxide;
FIG. 2e is a graph of lube anneal cleanliness for graphene oxide doped zirconia;
FIG. 2f is a graph of the annealing cleanliness of a graphene lube oil;
FIG. 2g is a graph of the annealing cleanliness of a titanium dioxide lubricating oil;
FIG. 2h is a graph of the annealing cleanliness of a lubricating oil of zinc oxide;
FIG. 2i is a graph of the anneal cleanliness of a conventional rolling oil;
fig. 3 is a graph showing the change of the friction coefficient with time for each lubricating oil.
Detailed Description
The present invention is further illustrated by the following specific examples.
The embodiment provides environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil which is prepared from the following components in percentage by weight:
component name Weight percentage (100%)
Base oil D140 97.7
Graphene oxide based nano titanium dioxide (20-100nm) 0.1
Graphene oxide based nano zinc oxide (20-100nm) 0.1
Octadecaenoic acid 0.3
Triethanolamine borate 0.5
Dodecanol 0.3
Stearic acid isooctyl ester 0.3
Dodecanoic acid 0.6
T508 0.1
TEM images of graphene oxide-based nano titanium dioxide, graphene oxide-based nano zinc oxide, graphene oxide, titanium dioxide and zinc oxide are respectively shown in FIGS. 1a-1 e.
The preparation method of the environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil comprises the following steps:
step one, sequentially adding 0.1g of graphene oxide-based nano titanium dioxide, 0.1g of graphene oxide-based nano zinc oxide, 0.3g of octadecenoic acid and 0.5g of triethanolamine borate into 97.7g of base oil D140, placing the mixture into a reaction kettle, heating and stirring at the stirring speed of 1000-2500 revolutions per minute, and keeping the temperature and continuously stirring for 20-40 minutes when the temperature reaches 60-80 ℃.
And step two, sequentially adding 0.3g of dodecanol, 0.6g of dodecanoic acid, 0.3g of isooctyl stearate and 0.1g of T508 into the reaction kettle, continuously stirring and heating, wherein the stirring speed is 600 plus one minute and 1500 revolutions per minute, keeping the temperature and continuously stirring for 30-60 minutes when the temperature reaches 70-80 ℃, and then stopping heating and continuously stirring to room temperature to obtain uniform transparent oil body, namely preparing the lubricating type ultrathin aluminum foil rolling oil.
The preferable preparation method of the graphene oxide-based nano titanium dioxide comprises the following steps: add 4.0g lauric acid to 50mL ethanol and stir for 20 minutes; 2.0g of tetrabutyltitanate was then added and stirred at 20 ℃ to form a homogeneous solution tetrabutyltitanate-ethanol solution. Dispersing 0.5g of graphene oxide in 50mL of ethanol; subsequently, stirring was continued at 60 ℃ for 30 minutes, and then ultrasonic dispersion treatment was performed in a water bath at 50 ℃ for 40 minutes to obtain a uniformly dispersed dark brown graphene oxide solution. The pH of the graphene oxide solution was adjusted to 7 with ammonia and acetic acid. Dropwise adding tetrabutyl titanate-ethanol solution into the graphene oxide solution which is stirred at the constant temperature of 20 ℃ to obtain uniformly mixed solution; the resulting mixed suspension was transferred to a Teflon-lined hydrothermal reaction kettle of 250mL capacity and heated and dried in an electric oven at 180 ℃ for 10 hours, and after cooling to room temperature, the final product suspension was filtered and washed with ethanol and water several times to remove unreacted materials.
The preferable preparation method of the graphene oxide-based nano zinc oxide comprises the following steps: 14.27g of Zn (NO)3)2·6H2O, 6.26g of citric acid and 15mL of distilled water are mixed, a ZnO-containing solution is obtained by a citric acid natural method, the ZnO-containing solution is heated to 50 ℃ and then is put into a graphene oxide solution to be stirred for 1h, the suspension is heated to 70 ℃ again, ultrasonic treatment is conducted to generate a black solid, the black solid is filtered and dried at 50 ℃, and the black solid is stored in a 700w microwave oven for 3 minutes, so that the graphene oxide-based nano zinc oxide black solid is finally obtained.
Example 2
The embodiment provides environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil which is prepared from the following components in percentage by weight:
component name Weight percentage (100%)
Base oil D140 91
Graphene oxide based nano titanium dioxide (20-100nm) 0.2
Graphene oxide based nano zinc oxide (20-100nm) 0.3
Octadecaenoic acid 0.5
Triethanolamine borate 1.5
Dodecanol 1.5
Stearic acid isooctyl ester 3.0
Dodecanoic acid 1.5
T508 0.5
The preparation method of the environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil comprises the following steps:
step one, sequentially adding 0.2g of graphene oxide-based nano titanium dioxide, 0.3g of graphene oxide-based nano zinc oxide, 0.5g of octadecenoic acid and 1.5g of triethanolamine borate into 91g of base oil D140, placing the mixture into a reaction kettle for heating and stirring, wherein the stirring speed is 1000-2500 rpm, and when the temperature reaches 60-80 ℃, preserving the heat and continuously stirring for 20-40 minutes.
And step two, sequentially adding 1.5g of dodecanol, 1.5g of dodecanoic acid, 3.0g of isooctyl stearate and 0.5g T508 into the reaction kettle, continuously stirring and heating at the stirring speed of 600 plus 1500 rpm, keeping the temperature for 30-60 minutes when the temperature reaches 70-80 ℃, and then stopping heating and continuously stirring to room temperature to obtain uniform transparent oil, namely preparing the lubricating ultrathin aluminum foil rolling oil.
Example 3
The embodiment provides environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil which is prepared from the following components in percentage by weight:
component name Weight percentage (100%)
Base oil D140 96.2
Graphene oxide based nano titanium dioxide (20-100nm) 0.15
Graphene oxide based nano zinc oxide (20-100nm) 0.15
Octadecaenoic acid 0.45
Triethanolamine borate 0.75
Dodecanol 0.5
Stearic acid isooctyl ester 0.5
Dodecanoic acid 1.0
T508 0.3
The preparation method of the environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil comprises the following steps:
step one, sequentially adding 0.15g of graphene oxide-based nano titanium dioxide, 0.15g of graphene oxide-based nano zinc oxide, 0.45g of octadecenoic acid and 0.75g of triethanolamine borate into 96.2g of base oil D140, placing the mixture into a reaction kettle, heating and stirring at the stirring speed of 1000-2500 rpm, and keeping the temperature and continuously stirring for 20-40 minutes when the temperature reaches 60-80 ℃.
And step two, sequentially adding 0.5g of dodecanol, 1.0g of dodecanoic acid, 0.5g of isooctyl stearate and 0.3g T508 into the reaction kettle, continuously stirring and heating at the stirring speed of 600 plus 1500 rpm, keeping the temperature for 30-60 minutes when the temperature reaches 70-80 ℃, and then stopping heating and continuously stirring to room temperature to obtain uniform transparent oil, namely the lubricating ultrathin aluminum foil rolling oil.
Examples 1, 2 and 3, and performance indexes of the graphene oxide-doped iron oxide lubricating oil, the graphene oxide-doped zirconium oxide lubricating oil, the graphene lubricating oil, the titanium dioxide lubricating oil, the zinc oxide lubricating oil and the conventional rolling oil are shown in the following tables.
Wherein, the lubricating oil containing 0.3 wt% of graphene oxide doped iron oxide/graphene oxide doped zirconium oxide/graphene/titanium dioxide/zinc oxide respectively comprises base oil D140, octadecenoic acid, triethanolamine borate, dodecanol, isooctyl stearate and dodecanoic acid.
Among various performance indexes, the appearance (15-35 ℃) of the lubricating liquid is obtained by visual inspection; the kinematic viscosity (40 ℃) is tested according to the national standard GB/T265; the lubricating liquid PB is tested according to the national standard GB/T12583-1998; the friction coefficient of the lubricating fluid is tested according to the industry standard SH/T0190-1992; the annealing cleanliness was tested according to the Exxon annealing box method; the rotary oxygen bomb is tested according to the SH/T0193-wall 2008 standard in the industry; the corrosion of the copper sheet (100 ℃, 3h) is tested according to the national standard GB/T5096; testing the contact angle of the rolling oil by a sitting drop method; performing a cold rolling test on a phi 400 x 450 four-roller irreversible cold rolling tester, wherein a rolling sample is an 1160 industrial pure aluminum plate with the thickness of (200 x 0.5), performing 6 passes, pressing the plate in the following two passes, and directly measuring the minimum rollable thickness of the rolled aluminum foil by a screw micrometer; the surface roughness Ra of the rolled aluminum plate is tested according to the national standard GB/T3505-09.
Figure BDA0002675857390000111
As can be seen from the above table, compared with other lubricating oils (graphene oxide doped iron oxide lubricating oil, graphene oxide doped zirconium oxide lubricating oil, graphene lubricating oil, titanium dioxide lubricating oil, zinc oxide lubricating oil and conventional rolling oil), the contact angle of the lubricating oils in examples 1 to 3 is smaller, and is reduced by 50% to 60%, so that the spreading ability of the rolling oil is obviously improved, an oil film is more easily formed on the surface of a friction pair by the rolling oil, the film forming ability is stronger, that is, the oil film can bear higher pressure, and the aluminum foil can be rolled thinner.
The lubricating oils of examples 1-3 had dramatically improved oil film bearing capacity PB as compared to other lubricating oils, while the lubricating oils of examples 1-3 had reduced and more stable coefficients of friction as shown in FIG. 3, and had good annealing cleanability as shown in FIGS. 2a-2 i. Meanwhile, it can be seen from the data of the rotating oxygen bomb that the lubricating oils of examples 1-3 can ensure high quality performance for a long period of time.
Used in the cold rolling process, the minimum rollable thickness of the lubricant and other lubricants (the lubricant of graphene oxide doped with iron oxide, the lubricant of graphene oxide doped with zirconium oxide, the lubricant of graphene, the lubricant of titanium dioxide, the lubricant of zinc oxide and the conventional rolling oil) is more than 13 μm, the surface roughness is more than 0.175 μm, when the rolling oils of examples 1 to 3 were used for lubrication, since the friction coefficient of the rolling oils was extremely small, namely, the aluminum plate has good wear resistance and friction reduction capability, so that the direct contact between the roller and the surface of the aluminum plate is greatly reduced by an adsorption lubricating film formed on the surface of the aluminum plate, the minimum rollable thickness reaches 4 mu m, and the surface roughness is less than 0.15 μm, which can meet the new index of the current market for the ultrathin aluminum foil rolling oil, the above data fully demonstrate that examples 1-3 exhibit good results during aluminum foil rolling.

Claims (10)

1. The utility model provides an ultra-thin aluminium foil rolling oil of high-efficient lubricated type of environmental protection which characterized in that:
the paint is prepared from the following components in percentage by weight:
Figure FDA0002675857380000011
2. the environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil as claimed in claim 1, characterized in that:
wherein the graphene oxide-based nano titanium dioxide: graphene oxide-based nano zinc oxide: octadecenoic acid: the weight ratio of the triethanolamine borate is 1:1:3:5-2:3:5: 15.
3. The environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil as claimed in claim 1, characterized in that:
wherein the dodecanol: the weight ratio of the isooctyl stearate to the dodecanoic acid is 1:1:2-1:2: 1.
4. The environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil as claimed in claim 1, characterized in that:
wherein the graphene oxide-based nano titanium dioxide is 20-100nm in size.
5. The environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil as claimed in claim 1, characterized in that:
wherein the size of the graphene oxide-based nano zinc oxide is 20-100 nm.
6. The method for preparing the environment-friendly high-efficiency lubricating type ultrathin aluminum foil rolling oil as claimed in claim 1, characterized by comprising the following steps:
adding the graphene oxide-based nano titanium dioxide, the graphene oxide-based nano zinc oxide, octadecenoic acid and triethanolamine borate into the base oil D140, placing the base oil D140 into a reaction kettle, heating and stirring, keeping the temperature at 60-80 ℃, and continuously stirring for 20-40 minutes;
and step two, adding the dodecanol, the dodecanoic acid, the isooctyl stearate and the T508 into the reaction kettle, continuing stirring and heating, keeping the temperature for 30-60 minutes when the temperature reaches 70-80 ℃, and then stopping heating and continuing stirring to room temperature to obtain uniform transparent oil, namely the lubricating ultrathin aluminum foil rolling oil.
7. The method for preparing the environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil as claimed in claim 6, is characterized in that:
in the first step, the graphene oxide-based nano titanium dioxide, the graphene oxide-based nano zinc oxide, the octadecenoic acid and the triethanolamine borate are added into the base oil D140 in the above order;
in the second step, the dodecanol, the dodecanoic acid, the isooctyl stearate and the T508 are added into the reaction kettle in the sequence.
8. The method for preparing the environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil as claimed in claim 6, is characterized in that:
wherein, in the first step, the rotating speed of the reaction kettle is 1000-2500 rpm;
in the second step, the rotation speed of the reaction kettle is 600-1500 rpm.
9. The method for preparing the environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil as claimed in claim 6, is characterized in that:
the preparation method of the graphene oxide-based nano titanium dioxide comprises the following steps:
add 4.0g lauric acid to 50mL ethanol and stir for 20 minutes; then adding 2.0g of tetrabutyl titanate, and stirring at 20 ℃ to form a uniform solution tetrabutyl titanate-ethanol solution;
dispersing 0.5g of graphene oxide in 50mL of ethanol; then, continuously stirring for 30 minutes at 60 ℃, and then carrying out ultrasonic dispersion treatment for 40 minutes in a water bath at 50 ℃ to obtain a uniformly dispersed dark brown graphene oxide solution;
adjusting the pH of the graphene oxide solution to 7 by using ammonia and acetic acid;
dropwise adding tetrabutyl titanate-ethanol solution into the graphene oxide solution which is stirred at the constant temperature of 20 ℃ to obtain uniformly mixed solution; the resulting mixed suspension was transferred to a Teflon-lined hydrothermal reaction kettle of 250mL capacity and heated and dried in an electric oven at 180 ℃ for 10 hours, and after cooling to room temperature, the final product suspension was filtered and washed with ethanol and water several times to remove unreacted materials.
10. The method for preparing the environment-friendly efficient lubricating type ultrathin aluminum foil rolling oil as claimed in claim 6, is characterized in that:
the preparation method of the graphene oxide-based nano zinc oxide comprises the following steps:
14.27g of Zn (NO)3)2·6H2O, 6.26g of citric acid and 15mL of distilled water are mixed, a ZnO-containing solution is obtained by a citric acid natural method, the ZnO-containing solution is heated to 50 ℃ and then is put into a graphene oxide solution to be stirred for 1h, the suspension is heated to 70 ℃ again, ultrasonic treatment is conducted to generate a black solid, the black solid is filtered and dried at 50 ℃, and the black solid is stored in a 700w microwave oven for 3 minutes, so that the graphene oxide-based nano zinc oxide black solid is finally obtained.
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