CN117625297A - Anti-rust lubricant and preparation method and application thereof - Google Patents
Anti-rust lubricant and preparation method and application thereof Download PDFInfo
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- CN117625297A CN117625297A CN202311513717.1A CN202311513717A CN117625297A CN 117625297 A CN117625297 A CN 117625297A CN 202311513717 A CN202311513717 A CN 202311513717A CN 117625297 A CN117625297 A CN 117625297A
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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
- C10M173/00—Lubricating compositions containing more than 10% water
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- 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
- C10M2201/061—Carbides; Hydrides; Nitrides
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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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/085—Phosphorus oxides, acids or salts
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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
- 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
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
- C10M2207/046—Hydroxy ethers
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- 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
- C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
- C10M2207/123—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms polycarboxylic
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
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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
- 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
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- 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
- C10M2209/108—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified
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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
- 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
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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
- 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
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- 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
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- 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
- C10N2030/08—Resistance to extreme temperature
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- 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
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- 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
- C10N2030/18—Anti-foaming property
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/38—Conveyors or chain belts
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Abstract
本发明提供了一种防锈润滑剂及其制备方法和应用。本发明的防锈润滑剂，组分包括复配金属润滑缓蚀剂、有机醇胺、纳米氮化硼和表面活性剂，所述复配金属润滑缓蚀剂的组分包括磷酸、植物油、酸酐、聚乙二醇和多金属缓蚀剂。适用于塑料和不锈钢输送带，可适用于各种类型的包装材料，应用于饮料啤酒瓶输送链条润滑方面。本发明还提供了防锈润滑剂的制备方法和应用。The invention provides an anti-rust lubricant and its preparation method and application. The anti-rust lubricant of the present invention has components including a compound metal lubricating corrosion inhibitor, organic alcohol amine, nano boron nitride and surfactant. The components of the compound metal lubricating corrosion inhibitor include phosphoric acid, vegetable oil and acid anhydride. , polyethylene glycol and multi-metallic corrosion inhibitors. Suitable for plastic and stainless steel conveyor belts, applicable to various types of packaging materials, and used in the lubrication of beverage and beer bottle conveyor chains. The invention also provides a preparation method and application of the anti-rust lubricant.
Description
Technical Field
The invention belongs to the technical field of lubricants, and particularly relates to an antirust lubricant, and a preparation method and application thereof.
Background
The chain conveying chain belt is applied to various industries, and the long-time use and abrasion of the conveying chain belt can cause the problems of abrasion, breakage and the like of the conveying belt, so that production accidents are caused, and even production is stopped. The chain belt plays a very great role in conveying products in the industries of beer, beverage and dairy products, and is particularly important in stabilizing, saving energy, improving efficiency and the like in the use process.
The lubricant can prolong the service life of the conveyer belt to a certain extent, and the chain rust-proof lubricant mainly plays roles of reducing friction force (conveyer chain, chain interface, chain bearing and transmission system), reducing noise, reducing vibration and cleaning the chain. Therefore, the production cost can be reduced for enterprises, and the production efficiency is improved. Wet lubricant products are preferred in the factory because they are more stable in use and relatively simple and mature in operation. The requirements for wet lubricant products include: good lubricating property, good cleaning function, wide applicable materials, good hard water resistance, good corrosion resistance, low foam, strong anti-interference, good environmental protection, good stability, economy and good dispersion uniformity.
However, the wetting slip agent in the related art is not ideal.
Disclosure of Invention
The present invention aims to solve at least one of the above technical problems in the prior art. Therefore, the invention provides the rust-proof lubricant which has better rust-proof lubricating property, is green, environment-friendly, economical and practical.
The invention also provides a preparation method of the rust-proof lubricant.
The invention also provides application of the rust-proof lubricant in a transmission system.
The first aspect of the invention provides an anti-rust lubricant, which comprises a compound metal lubricating corrosion inhibitor, organic alcohol amine, nano boron nitride and a surfactant, wherein the compound metal lubricating corrosion inhibitor comprises phosphoric acid, vegetable oil, anhydride, polyethylene glycol and a multi-metal corrosion inhibitor.
The invention relates to one of the technical schemes of antirust lubricants, which has at least the following beneficial effects:
the antirust lubricant disclosed by the invention takes inorganic nano boron nitride and vegetable oil as film forming agents and is assisted by a compound metal lubricating corrosion inhibitor, so that the antirust lubricant has good antirust lubricating performance, is environment-friendly, is economical and practical and is environment-friendly. The compounded metal lubricating corrosion inhibitor has good water-soluble dispersion and adsorption film forming property, and can form a stable, compact and tough lubricating protective film on the surface of metal, so that the transmission process is stable.
The organic alcohol amine is a better emulsifier, and has better pH adjusting function and rust resistance. Can maintain the stability of the solution and increase the rust-proof capability of the solution.
Nano boron nitride is a hexagonal crystal, which is a very thin and fine material, has similar properties to graphite, and has a lower friction coefficient, high temperature stability and thermal shock resistance than carbon materials.
According to the antirust lubricant, inorganic nano material boron nitride is uniformly emulsified and dispersed into a solution through a surfactant.
In the compound metal lubrication corrosion inhibitor: the preparation method comprises the steps of taking vegetable oil and anhydride as main raw materials, adding phosphoric acid as a reaction catalyst, carrying out esterification reaction at 150-220 ℃ to generate ester with good lubricating property and emulsifying property, introducing polyethylene glycol into the vegetable oil at 150-220 ℃ to form polyoxyethylene ether ester, and increasing the water solubility of the compound agent.
The multi-metal corrosion inhibitor is benzotriazole or methylbenzotriazole. Wherein:
the benzotriazole and the derivative have unique and excellent corrosion inhibition performance on nonferrous metals such as copper, copper alloy, silver and the like. The corrosion-resistant protection mechanism is as follows: in the solution of benzotriazole, copper replaces a hydrogen atom in an NH functional group of one benzotriazole molecule at a solid-liquid interface, is connected through a covalent bond, and is connected with a free electron of a nitrogen atom in another benzotriazole molecule through a coordination bond to form a semi-permeable polymeric complex. The polymer complex film is stable and insoluble in many solvents and has good corrosion resistance protection effect. The benzotriazole has good corrosion inhibition effect on zinc, cadmium, aluminum, tin and the like, and mainly forms an extremely thin surface precipitation film layer with zinc, cadmium and the like, so that oxides generated on the surfaces of the zinc, cadmium and the like can be effectively prevented from being corroded.
The methyl benzotriazole (TTA) is a derivative of the Benzotriazole (BTA), and the TTA is more than the BTA in a nonpolar methyl group in a molecular structure, so that the formed monolayer film has better hydrophobicity and better corrosion inhibition effect.
The antirust lubricant is suitable for plastic and stainless steel conveyer belts, can be suitable for various packaging materials, and is applied to the aspect of lubrication of beverage beer bottle conveying chains.
The rust-proof lubricant provided by the invention has good hard water resistance and low foaming property.
The rust-proof lubricant provided by the invention has excellent lubricating performance, lower friction force than that of a common traditional lubricant, and ensures the stability of bottles (boxes) in the conveying process.
The rust-proof lubricant of the invention does not generate foam in the use process, the BOD is degraded near 100%, the sewage treatment pressure is reduced, and the sanitary requirement of workshops is met.
The antirust lubricant disclosed by the invention is non-corrosive and is safe to use for conveying chains made of stainless steel, rubber, plastics and the like.
The antirust lubricant disclosed by the invention has the advantages of low consumption, small storage space, water consumption saving and low use cost.
The antirust lubricant is suitable for antirust lubrication of conveying belts of production lines using wetting lubricant, such as glass bottle lines, tank line filling sections, beverages, drinking water lines and the like in breweries.
According to some embodiments of the invention, in the compound metal lubricating corrosion inhibitor, the mass ratio of phosphoric acid, vegetable oil, anhydride, polyethylene glycol and the multi-metal corrosion inhibitor is as follows: 1:10-20:1-5:5-10:0.1-1.0.
According to some embodiments of the invention, the vegetable oil comprises at least one of olive oil, sunflower oil, rapeseed oil and castor oil.
According to some embodiments of the invention, the anhydride comprises at least one of sorbitan, malic anhydride, and maleic anhydride.
The compound metal lubricating corrosion inhibitor is a nonionic water-soluble lubricant prepared by carrying out water-soluble modification on vegetable oil, and when the nonionic water-soluble lubricant is dissolved and dispersed in water, insoluble soap precipitation is not formed with polyvalent metal ions such as calcium, magnesium and the like in water, so that the nonionic water-soluble lubricant has good hard water resistance; the polar groups of the polymer are used for forming a vegetable oil adsorption film on the surface of metal, so that the polymer is compact, firm and tough and has excellent lubricity; has good protection effect on metal.
According to some embodiments of the invention, the addition amount of the compound metal lubricating corrosion inhibitor is 10-20wt% in mass percent.
According to some embodiments of the invention, the organic alcohol amine is added in an amount of 10wt% to 20wt% in mass%.
According to some embodiments of the invention, the organic alcohol amine comprises: at least one of monoethanolamine, diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, triisopropanolamine, dimethylethanolamine, methyldiethanolamine, and diglycolamine.
According to some embodiments of the invention, the nano boron nitride is added in an amount of 1wt% to 5wt%.
According to some embodiments of the invention, the nano boron nitride is added in an amount of 2wt% to 3wt%.
According to some embodiments of the invention, the surfactant is added in an amount of 1wt% to 10wt% in mass percent.
According to some embodiments of the invention, the surfactant is added in an amount of 3wt% to 10wt% in mass percent.
According to some embodiments of the invention, the surfactant comprises at least one of AEO-3, OP-10 and AEO-9 in mass percent.
According to some embodiments of the invention, the composition further comprises a co-solvent and water.
According to some embodiments of the invention, the co-solvent comprises a low molecular weight alcohol or ether.
According to some embodiments of the invention, the low molecular weight alcohol or ether comprises at least one of methanol, ethanol, propanol, isopropanol, ethylene glycol monobutyl ether and ethylene glycol t-butyl ether.
According to some embodiments of the invention, the composition comprises, in mass percent:
the compound metal lubrication corrosion inhibitor comprises the following components: 10 to 20 weight percent,
organic alcohol amine: 10 to 20 weight percent,
nano boron nitride: 1 to 5 weight percent,
and (2) a surfactant: 1 to 10 weight percent,
cosolvent: 5 to 10 weight percent,
the balance being water.
The second aspect of the present invention provides a method for preparing the rust inhibitive lubricant of the present invention, comprising the steps of: the components of the rust-proof lubricant are added into water according to the proportion and are evenly mixed.
The invention relates to a technical scheme in a preparation method of a rust-proof lubricant, which has at least the following beneficial effects:
the preparation method of the invention does not need expensive equipment and complex process control, has low reaction conditions, easily obtained raw materials, low production cost and easy industrial production.
According to some embodiments of the present invention, a method of preparing a rust inhibitive lubricant includes the steps of:
s1: adding vegetable oil, phosphoric acid and anhydride into a reaction kettle, carrying out reflux at 150-220 ℃, adding polyethylene glycol, reacting at 150-220 ℃, and finally adding a multi-metal corrosion inhibitor to prepare the compound metal lubricating corrosion inhibitor;
s2: adding 70% -80% deionized water into a reaction kettle, adding nano boron nitride, a surfactant and a cosolvent, performing ultrasonic dispersion, adding a compound metal lubricating corrosion inhibitor, and fully stirring until the compound metal lubricating corrosion inhibitor is completely dissolved into a clear solution;
s3: adding triethanolamine into the above liquid, adjusting pH to 10.5+ -0.5 and the rest deionized water, stirring thoroughly to obtain clear solution, filtering, and packaging.
In step S1, the purpose of the back distillation is to dehydrate the raw materials and ensure complete reaction.
The time for the distillation back can be about 4 hours.
The time for the reaction by adding polyethylene glycol can be about 3 hours.
Polyethylene glycol is added for reaction to increase the water solubility of the reactants.
The multi-metal corrosion inhibitor comprises benzotriazole or methylbenzotriazole.
In step S3, the pH is adjusted to ensure that the reactants have better rust inhibitive performance.
A third aspect of the present invention provides the use of the rust inhibitive lubricant of the present invention in a transmission system.
The invention relates to a technical scheme of an antirust lubricant applied to a transmission system, which has at least the following beneficial effects:
the antirust lubricant is suitable for antirust lubrication of conveying belts of production lines using wetting lubricant, such as glass bottle lines, tank line filling sections, beverages, drinking water lines and the like in breweries.
The drive train includes various mechanical and electrical devices for transporting articles from one location to another. These systems are commonly used in production lines, warehouse facilities, transportation systems, and the like. The following are some main components of the drive system in relation to the conveyor belt, conveyor chain:
an electric motor: the electric motor provides power to drive the conveyor belt or conveyor chain.
A transmission belt: the belt is a belt-like structure made of rubber, plastic, metal, etc. for carrying and transporting articles from one place to another.
Conveying chain: the conveying chain is a chain structure made of metal and is used for connecting rollers of a conveyor and driving a conveying belt or other conveying devices.
Driving roller: the driving roller is a roller connected with an electric motor, and power is transmitted to the whole system through the movement of a transmission belt or a conveying chain.
Tensioning device: the tensioner is used to maintain the proper tension of the drive belt or conveyor chain to ensure proper operation of the drive train.
Guide roller: the guide rollers are used to guide the belt or conveyor chain along a predetermined path to prevent deviation from the track.
A driving device: the drive means generally comprise an electric motor, a reduction gear and a coupling for converting the rotational movement of the electric motor into a linear movement of the drive belt or the conveyor chain.
And (3) supporting structure: the support structure is used to support and stabilize the various components of the drive train, and is typically constructed of a metal or steel structure.
And (3) a control system: the control system comprises a sensor, an encoder, a PLC (programmable logic controller) and other devices and is used for monitoring and controlling the operation of the transmission system, and realizing the functions of automation, adjustment of the transmission speed and the like.
The components together form a conveying belt and a conveying chain transmission system, so that articles can be conveyed efficiently and stably. The design and selection of the drive train is generally dependent on the application requirements, including the desired transfer speed, load capacity, operating environment, etc.
The use of the rust inhibitive lubricant of the present invention in a transmission system, herein "conventional system" may refer to either a portion of the system, such as a chain, or the system as a whole.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the embodiments, but the present invention is not limited to these embodiments.
In some embodiments of the invention, the invention provides an anti-rust lubricant, which comprises a compound metal lubrication corrosion inhibitor, organic alcohol amine, nano boron nitride and a surfactant, wherein the compound metal lubrication corrosion inhibitor comprises phosphoric acid, vegetable oil, anhydride, polyethylene glycol and a multi-metal corrosion inhibitor.
It can be understood that the rust-proof lubricant of the invention takes inorganic nano boron nitride and vegetable oil as film forming agents and is assisted by a compound metal lubrication corrosion inhibitor, has better rust-proof lubricating performance, is green, environment-friendly, economical and practical. Specifically, the compound metal lubricating corrosion inhibitor is prepared by carrying out water-soluble modification on vegetable oil, wherein the main component of the vegetable oil is higher fatty glyceride, and the vegetable oil has polar adsorption groups and long-hydrocarbon chain lubricating groups of higher fatty acid, is a good oily lubricant, is insoluble in water and cannot be directly used as an aqueous lubricant. The vegetable oil reacts with the anhydride and the polyethylene glycol, so that the polyethylene glycol with good water solubility is introduced into vegetable oil molecules, and the vegetable oil molecules are endowed with water solubility, so that the vegetable oil can be well dispersed and dissolved in water to form stable aqueous lubricating liquid. In the transmission system, the water-soluble modified vegetable oil is firmly adsorbed on the metal surface by virtue of the polarity of the water-soluble modified vegetable oil, so that a compact and tough water-based oil lubricating protective layer is formed, and a stable lubricating effect is achieved among objects sliding mutually.
The organic alcohol amine is a better emulsifier, and has better pH adjusting function and rust resistance. Can maintain the stability of the solution and increase the rust-proof capability of the solution.
Nano boron nitride is a hexagonal crystal, which is a very thin and fine material, has similar properties to graphite, and has a lower friction coefficient, high temperature stability and thermal shock resistance than carbon materials.
According to the antirust lubricant, inorganic nano material boron nitride is uniformly emulsified and dispersed into a solution through a surfactant.
In the compound metal lubrication corrosion inhibitor: the preparation method comprises the steps of taking vegetable oil and anhydride as main raw materials, adding phosphoric acid as a reaction catalyst, carrying out esterification reaction at 150-220 ℃ to generate ester with good lubricating property and emulsifying property, introducing polyethylene glycol into the vegetable oil at 150-220 ℃ to form polyoxyethylene ether ester, and increasing the water solubility of the compound agent.
The multi-metal corrosion inhibitor is benzotriazole or methylbenzotriazole. Wherein:
the benzotriazole and the derivative have unique and excellent corrosion inhibition performance on nonferrous metals such as copper, copper alloy, silver and the like. The corrosion-resistant protection mechanism is as follows: in the solution of benzotriazole, copper replaces a hydrogen atom in an NH functional group of one benzotriazole molecule at a solid-liquid interface, is connected through a covalent bond, and is connected with a free electron of a nitrogen atom in another benzotriazole molecule through a coordination bond to form a semi-permeable polymeric complex. The polymer complex film is stable and insoluble in many solvents and has good corrosion resistance protection effect. The benzotriazole has good corrosion inhibition effect on zinc, cadmium, aluminum, tin and the like, and mainly forms an extremely thin surface precipitation film layer with zinc, cadmium and the like, so that oxides generated on the surfaces of the zinc, cadmium and the like can be effectively prevented from being corroded.
The methyl benzotriazole (TTA) is a derivative of the Benzotriazole (BTA), and the TTA is more than the BTA in a nonpolar methyl group in a molecular structure, so that the formed monolayer film has better hydrophobicity and better corrosion inhibition effect.
It will also be appreciated that the rust inhibitive lubricant of the present invention is applicable to plastic and stainless steel conveyor belts, and is applicable to various types of packaging materials, and is applicable to lubrication of beverage beer bottle conveyor chains.
In addition, the rust-proof lubricant provided by the invention has good hard water resistance and low foaming property.
The rust-proof lubricant provided by the invention has excellent lubricating performance, has lower friction force than the common traditional lubricant, and can ensure the stability of bottles (boxes) on a conveyor belt in the conveying process.
The rust-proof lubricant of the invention does not generate foam in the use process, the BOD is degraded near 100%, the sewage treatment pressure is reduced, and the sanitary requirement of workshops is met.
The antirust lubricant disclosed by the invention is non-corrosive and is safe to use for conveying chains made of stainless steel, rubber, plastics and the like.
The antirust lubricant disclosed by the invention has the advantages of low consumption, small storage space, water consumption saving and low use cost.
The antirust lubricant is suitable for antirust lubrication of conveying belts of production lines using wetting lubricant, such as glass bottle lines, tank line filling sections, beverages, drinking water lines and the like in breweries.
In some embodiments of the invention, in the compound metal lubricating corrosion inhibitor, the mass ratio of phosphoric acid, vegetable oil, anhydride, polyethylene glycol and the multi-metal corrosion inhibitor is as follows: 1:10-20:1-5:5-10:0.1-1.0.
The compound metal lubricating corrosion inhibitor is a nonionic water-soluble lubricant prepared by carrying out water-soluble modification on vegetable oil, and when the nonionic water-soluble lubricant is dissolved and dispersed in water, insoluble soap precipitation is not formed with polyvalent metal ions such as calcium, magnesium and the like in water, so that the nonionic water-soluble lubricant has good hard water resistance; polyethylene glycol with low polymerization degree is adopted in the preparation, so that the prepared water-based modified grease is dispersed and dissolved in water, thus the foam is low, and a vegetable grease adsorption film is formed on the metal surface by utilizing the polar groups of the water-based modified grease, so that the water-based modified grease is compact, firm and tough and has excellent lubricity; has good protection effect on various metals.
In some embodiments of the invention, the addition amount of the compound metal lubrication corrosion inhibitor is 10-20wt% in mass percent.
In some embodiments of the present invention, the organic alcohol amine is added in an amount of 10wt% to 20wt% in mass%.
In some embodiments of the invention, the organic alcohol amine comprises: at least one of monoethanolamine, diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, triisopropanolamine, dimethylethanolamine, methyldiethanolamine, and diglycolamine.
In some embodiments of the present invention, the nano boron nitride is added in an amount of 1wt% to 5wt% in mass%.
In some embodiments of the present invention, the nano boron nitride is added in an amount of 2wt% to 3wt% in mass%.
In some embodiments of the present invention, the surfactant is added in an amount of 1wt% to 10wt% in mass percent.
In some embodiments of the present invention, the surfactant is added in an amount of 3wt% to 10wt% in mass percent.
In some embodiments of the invention, the surfactant comprises at least one of AEO-3, OP-10, and AEO-9 in mass percent.
In some embodiments of the invention, the composition further comprises a co-solvent and water.
In some embodiments of the invention, the co-solvent comprises a low molecular weight alcohol or ether.
In some embodiments of the invention, the low molecular weight alcohol or ether comprises at least one of methanol, ethanol, propanol, isopropanol, ethylene glycol monobutyl ether, and ethylene glycol t-butyl ether.
In some embodiments of the present invention, the composition comprises, in mass percent:
the compound metal lubrication corrosion inhibitor comprises the following components: 10 to 20 weight percent,
organic alcohol amine: 10 to 20 weight percent,
nano boron nitride: 1 to 5 weight percent,
and (2) a surfactant: 1 to 10 weight percent,
cosolvent: 5 to 10 weight percent,
the balance being water.
In some embodiments of the present invention, the present invention provides a method of preparing the rust inhibitive lubricant of the present invention, comprising the steps of: the components of the rust-proof lubricant are added into water according to the proportion and are evenly mixed.
It can be understood that the preparation method of the invention does not need expensive equipment and complex process control, has harsh reaction conditions, easily obtained raw materials, low production cost and easy industrial production.
In some embodiments of the present invention, a method of preparing a rust inhibitive lubricant includes the steps of:
s1: adding vegetable oil, phosphoric acid and anhydride into a reaction kettle, carrying out reflux at 150-220 ℃, adding polyethylene glycol, reacting at 150-220 ℃, and finally adding a multi-metal corrosion inhibitor to prepare the compound metal lubricating corrosion inhibitor;
s2: adding 70% -80% deionized water into a reaction kettle, adding nano boron nitride, a surfactant and a cosolvent, performing ultrasonic dispersion, adding a compound metal lubricating corrosion inhibitor, and fully stirring until the compound metal lubricating corrosion inhibitor is completely dissolved into a clear solution;
s3: adding triethanolamine into the above liquid, adjusting pH to 10.5+ -0.5 and the rest deionized water, stirring thoroughly to obtain clear solution, filtering, and packaging.
In step S1, the purpose of the back distillation is to dehydrate the raw materials and ensure complete reaction.
The time for the distillation back can be about 4 hours.
The time for the reaction by adding polyethylene glycol can be about 3 hours.
Polyethylene glycol is added for reaction to increase the water solubility of the reactants.
The multi-metal corrosion inhibitor comprises benzotriazole or methylbenzotriazole.
In step S3, the pH is adjusted to ensure that the reactants have better rust inhibitive performance.
In some embodiments of the invention, the invention provides for the use of the rust inhibitive lubricant of the invention in a transmission system.
It will be appreciated that the rust inhibitive lubricant of the present invention is suitable for rust inhibitive lubrication of production line conveyor belts using wetting lubricants for breweries' bottling lines, canning line segments, beverage, drinking water lines, etc.
The drive train includes various mechanical and electrical devices for transporting articles from one location to another. These systems are commonly used in production lines, warehouse facilities, transportation systems, and the like. The following are some main components of the drive system in relation to the conveyor belt, conveyor chain:
an electric motor: the electric motor provides power to drive the conveyor belt or conveyor chain.
A transmission belt: the belt is a belt-like structure made of rubber, plastic, metal, etc. for carrying and transporting articles from one place to another.
Conveying chain: the conveying chain is a chain structure made of metal and is used for connecting rollers of a conveyor and driving a conveying belt or other conveying devices.
Driving roller: the driving roller is a roller connected with an electric motor, and power is transmitted to the whole system through the movement of a transmission belt or a conveying chain.
Tensioning device: the tensioner is used to maintain the proper tension of the drive belt or conveyor chain to ensure proper operation of the drive train.
Guide roller: the guide rollers are used to guide the belt or conveyor chain along a predetermined path to prevent deviation from the track.
A driving device: the drive means generally comprise an electric motor, a reduction gear and a coupling for converting the rotational movement of the electric motor into a linear movement of the drive belt or the conveyor chain.
And (3) supporting structure: the support structure is used to support and stabilize the various components of the drive train, and is typically constructed of a metal or steel structure.
And (3) a control system: the control system comprises a sensor, an encoder, a PLC (programmable logic controller) and other devices and is used for monitoring and controlling the operation of the transmission system, and realizing the functions of automation, adjustment of the transmission speed and the like.
The components together form a conveying belt and a conveying chain transmission system, so that articles can be conveyed efficiently and stably. The design and selection of the drive train is generally dependent on the application requirements, including the desired transfer speed, load capacity, operating environment, etc.
It should be noted that, the application of the rust-preventive lubricant of the present invention in a transmission system, where "conventional system" refers to either a certain part of the system, such as a chain, or the whole system.
The technical solution of the present invention will be better understood by combining the following specific embodiments.
The raw materials used in the present invention may be obtained from commercial sources.
Example 1
An antirust lubricant is provided, which comprises the following components:
the compound metal lubrication corrosion inhibitor comprises the following components: 15wt%,
organic alcohol amine (triethanolamine): 15wt%,
nano boron nitride: 3wt%,
surfactant (MOA 4): 6wt%,
cosolvent (ethanol): 6wt%,
the balance being purified water.
The components of the compound metal lubricating corrosion inhibitor are as follows:
phosphoric acid: 0.6wt%,
vegetable oil (rapeseed oil): 8.0wt%,
anhydride (malic anhydride): 2wt%,
polyethylene glycol: 4wt%.
Multimetal corrosion inhibitor (benzotriazole): 0.4wt%.
The preparation method of the rust-proof lubricant comprises the following steps:
s1: adding vegetable oil, phosphoric acid and anhydride into a reaction kettle, rectifying at about 185 ℃, adding polyethylene glycol, reacting at about 175 ℃ for 3 hours, and finally adding a multi-metal corrosion inhibitor for dissolving and mixing uniformly to prepare the compound metal lubricating corrosion inhibitor;
s2: adding 70% -80% deionized water into a reaction kettle, adding nano boron nitride, a surfactant and a cosolvent, performing ultrasonic dispersion for 10min, and adding a compound metal lubricating corrosion inhibitor, and fully stirring until the compound metal lubricating corrosion inhibitor is completely dissolved into a clear solution;
s3: adding triethanolamine into the above liquid, adjusting pH to 10.5+ -0.5 and the rest deionized water, stirring thoroughly to obtain clear solution, filtering, and packaging.
Example 2
An antirust lubricant is provided, which comprises the following components:
the compound metal lubrication corrosion inhibitor comprises the following components: 20wt%,
organic alcohol amine (triethanolamine): 20wt%,
nano boron nitride: 3wt%,
surfactant (MOA 4): 4wt%,
cosolvent (ethylene glycol monobutyl ether): 4wt%,
the balance being purified water.
The components of the compound metal lubricating corrosion inhibitor are as follows:
phosphoric acid: 1wt%,
vegetable oil (rapeseed oil): 11.5wt%,
anhydride (malic anhydride): 2wt%,
polyethylene glycol: 7wt%.
Multimetal corrosion inhibitor (methylbenzotriazole): 0.5wt%.
The preparation method of the rust-proof lubricant comprises the following steps:
s1: adding vegetable oil, phosphoric acid and anhydride into a reaction kettle, rectifying at about 185 ℃, adding polyethylene glycol, reacting at about 175 ℃ for 3 hours, and finally adding a multi-metal corrosion inhibitor for dissolving and mixing uniformly to prepare the compound metal lubricating corrosion inhibitor;
s2: adding 70% -80% deionized water into a reaction kettle, adding nano boron nitride, a surfactant and a cosolvent, performing ultrasonic dispersion for 10min, and adding a compound metal lubricating corrosion inhibitor, and fully stirring until the compound metal lubricating corrosion inhibitor is completely dissolved into a clear solution;
s3: adding triethanolamine into the above liquid, adjusting pH to 10.5+ -0.5 and the rest deionized water, stirring thoroughly to obtain clear solution, filtering, and packaging.
Example 3
An antirust lubricant is provided, which comprises the following components:
the compound metal lubrication corrosion inhibitor comprises the following components: 12wt%,
organic alcohol amine (triethanolamine): 10wt%,
nano boron nitride: 3wt%,
surfactant (OP-10): 8wt%,
cosolvent (ethylene glycol monobutyl ether): 5wt%,
the balance being purified water.
The components of the compound metal lubricating corrosion inhibitor are as follows:
phosphoric acid: 0.5wt%,
vegetable oil (rapeseed oil): 7.0wt%,
anhydride (maleic anhydride): 1wt%,
polyethylene glycol: 3wt%.
Multimetal corrosion inhibitor (benzotriazole): 0.5wt%.
The preparation method of the rust-proof lubricant comprises the following steps:
s1: adding vegetable oil, phosphoric acid and anhydride into a reaction kettle, rectifying at about 185 ℃, adding polyethylene glycol, reacting at about 175 ℃ for 3 hours, and finally adding a multi-metal corrosion inhibitor for dissolving and mixing uniformly to prepare the compound metal lubricating corrosion inhibitor;
s2: adding 70% -80% deionized water into a reaction kettle, adding nano boron nitride, a surfactant and a cosolvent, performing ultrasonic dispersion for 10min, and adding a compound metal lubricating corrosion inhibitor, and fully stirring until the compound metal lubricating corrosion inhibitor is completely dissolved into a clear solution;
s3: adding triethanolamine into the above liquid, adjusting pH to 10.5+ -0.5 and the rest deionized water, stirring thoroughly to obtain clear solution, filtering, and packaging.
Comparative example 1
Lubricant RHJ-03A manufactured by some company in the Shandong province.
Comparative example 2
Chain lubricant NA manufactured for a company in guangdong.
Comparative example 3
Lubricant detergent KKZ-861A, manufactured by shandong corporation.
Performance testing
The performance of the lubricants of the examples and comparative examples is compared. The method comprises the following steps:
1. foam test
Pouring the tested liquid into a 100ml measuring cylinder with a plug, covering the plug with the liquid level at 70ml, shaking up and down for 1min, wherein the shaking distance is about 30cm, the shaking frequency is (100-120) times/min, standing for 10min at room temperature, and observing the residual foam height of the liquid level.
2. Test of rust resistance of Single sheet and laminated sheet (35 ℃ C.+ -2 ℃ C.)
Instrument: the phi is 250 mm-phi 350mm, distilled water is injected into the bottom of one glass dryer, and the liquid level is one third to one half of the height of the bottom.
The test piece is made of primary gray cast iron, and the metallographic structure accords with the specification of GB/T718.
Test piece size: phi 35X 20mm cylinder
Test piece preparation: according to SH/T0218.
(1) Single chip rust resistance test: the test solution is sucked by a dropping tube, five drops of the test solution are dropped on the polishing surface of the test piece according to the plum blossom format, and the diameter of each drop is about 4mm-5mm. The test pieces were then placed on a desiccator partition (taking care not to plug the holes), a desiccator lid was closed, and placed in an incubator which had been thermostated to 35 ℃ ± 2 ℃ and tested continuously until the test pieces began to rust.
(2) Lamination rust resistance experiment: the prepared test piece was placed on the separator of the dryer (without blocking the hole), the polishing surface of the test piece was facing upward, the test solution was sucked up by a dropping tube, coated on the test piece, and then the polishing surface of another test piece was overlapped thereon. (note that the upper and lower test pieces are aligned to prevent the two test pieces from slipping apart, resulting in test errors). Closing the cover of the dryer, placing the dryer in an incubator which is kept at the constant temperature of 35+/-2 ℃, continuously testing until the test piece starts to rust, opening the test piece, dipping absolute ethyl alcohol into absorbent cotton to erase the test solution, immediately observing two overlapping surfaces within 1mm from the edge of the test piece, and judging whether the test piece is rust-free or obvious overlapping.
3. Maximum no-bite load P B value/N: GB/T3142 2019 four-ball method for determination of Lubricant carrying Capacity.
The results are shown in Table 1.
TABLE 1
The rust-proof lubricant provided by the invention has good hard water resistance and low foaming property. The lubricating property is excellent, the friction force is lower than that of a common traditional lubricant, and the stability of the bottle (box) in the conveying process can be ensured.
In addition, the rust-proof lubricant does not generate foam in the use process, the BOD is degraded to be close to 100%, the sewage treatment pressure is reduced, and the sanitary requirement of workshops is met. And the conveyer chain is non-corrosive and safe to use for conveying chains made of stainless steel, rubber, plastics and the like.
The antirust lubricant disclosed by the invention has the advantages of low consumption, small storage space, water consumption saving and low use cost.
The antirust lubricant is suitable for antirust lubrication of conveying belts of production lines using wetting lubricant, such as glass bottle lines, tank line filling sections, beverages, drinking water lines and the like in breweries.
The present invention has been described in detail with reference to the embodiments, but the present invention is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (10)
1. The rust-proof lubricant is characterized by comprising a compound metal lubrication corrosion inhibitor, organic alcohol amine, nano boron nitride and a surfactant, wherein the compound metal lubrication corrosion inhibitor comprises phosphoric acid, vegetable oil, anhydride, polyethylene glycol and a multi-metal corrosion inhibitor.
2. The antirust lubricant according to claim 1, wherein in the compound metal lubricating corrosion inhibitor, the mass ratio of phosphoric acid, vegetable oil, anhydride, polyethylene glycol and the multi-metal corrosion inhibitor is as follows: 1:10-20:1-5:5-10:0.1-1.0.
3. The antirust lubricant as claimed in claim 1 or 2, wherein the addition amount of the compound metal lubrication corrosion inhibitor is 10-20wt%.
4. The rust inhibitive lubricant according to claim 1 or 2, wherein the organic alcohol amine is added in an amount of 10 to 20% by weight.
5. The rust inhibitive lubricant according to claim 1 or 2, wherein the nano boron nitride is added in an amount of 1 to 5wt%.
6. The rust inhibitive lubricant according to claim 1 or 2, wherein the surfactant is added in an amount of 1 to 10% by weight.
7. The rust inhibitive lubricant of claim 1 or 2, wherein the components further comprise a co-solvent and water.
8. The rust inhibitive lubricant according to claim 1 or 2, wherein the components include, in mass percent:
the compound metal lubrication corrosion inhibitor comprises the following components: 10 to 20 weight percent,
organic alcohol amine: 10 to 20 weight percent,
nano boron nitride: 1 to 5 weight percent,
and (2) a surfactant: 1 to 10 weight percent,
cosolvent: 5 to 10 weight percent,
the balance being water.
9. A method of preparing the rust inhibitive lubricant of any one of claims 1 to 8, comprising the steps of: the components of the rust-proof lubricant are added into water according to the proportion and are evenly mixed.
10. Use of a rust inhibitive lubricant as claimed in any one of claims 1 to 8 in a transmission system.
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