CN106947575A - Composition for food-grade gear oil and preparation method thereof and gear oil comprising said composition and preparation method thereof - Google Patents
Composition for food-grade gear oil and preparation method thereof and gear oil comprising said composition and preparation method thereof Download PDFInfo
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- CN106947575A CN106947575A CN201710208916.XA CN201710208916A CN106947575A CN 106947575 A CN106947575 A CN 106947575A CN 201710208916 A CN201710208916 A CN 201710208916A CN 106947575 A CN106947575 A CN 106947575A
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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
- C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/0206—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers used as base material
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- 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
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- 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
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
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- 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
- C10M2209/086—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 polycarboxylic, e.g. maleic acid
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- 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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- 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
- C10M2209/105—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
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- 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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- 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
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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
- 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
- C10M2223/047—Thioderivatives not containing metallic elements
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
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- 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
- C10N2030/04—Detergent property or dispersant property
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- 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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- 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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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
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- 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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- 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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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/26—Waterproofing or water resistance
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/56—Boundary lubrication or thin film lubrication
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/64—Environmental friendly compositions
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
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Abstract
The present invention relates to lubricating oil field, a kind of gear oil for composition of food-grade gear oil and preparation method thereof and comprising said composition and preparation method thereof is particularly disclosed.This is used for the composition of food-grade gear oil, including the component of following parts by weight is made：5 10 parts of food grade antioxidant, 10 25 parts of food-grade antiwear additive, 0.5 1.5 parts of grade metal passivator, food-grade antirust agent 1.0 2.5,0.5 1.5 parts of food-grade corrosion inhibitor, 0.2 1.0 parts of food-grade oiliness improver, 0.1 0.5 parts of food-grade anti emulsifier, food-grade defoamer 0.01 0.3, food-grade base oil A supplies 100 parts.This is used for the composition of food-grade gear oil and its gear oil comprising said composition, not only there is excellent waterproof, antioxygen property, excellent wear resistence, extreme pressure property, anti-microdot corrosion, rust-preventing characteristic, resistance to emulsion, antifoam property, food processing process middle gear system can be successfully managed to require for heavy load, extreme-pressure anti-wear, emulsion resistance, antirust, the erosion of anti-microdot etc., it is nontoxic, it is pollution-free to food.
Description
Technical field
The present invention relates to lubricating oil field, more particularly to a kind of composition and its preparation side for food-grade gear oil
Method, and the gear oil comprising said composition and preparation method thereof.
Background technology
In food production, hydraulic pressure, gear, turbine, bearing, chain of plant equipment etc. are required for usage safety performance high
Lubricating oil, not only to meet the lubrication needs of food machinery, also to meet the requirement of food security, this class lubricating oil is referred to as
Food-grade lubricant.
Food-grade lubricant is to come in contact also constitute consumer any physiology danger in process of production with food
Evil, the lubricating oil that smell, taste to food do not have any impact is formed by base oil, additive allotment.Base oil is general
Using the refined mineral oil of hydrocracking, it is characterized in that component is pure, chain saturated carbon hydrocarbon compound content is more than 99%, no
Containing arene, sulfur content is less than 10ppm, and water content is small, is difficult to be oxidized and emulsifies；The base oil that can also be used is poly- α
Alkene (PAO), is a kind of artificial synthesized base oil, and component is pure single, not sulfur-bearing and aromatic component, is dredged with natural
Aqueous energy, heatproof inoxidizability.Long service life, can reduce the abrasion of equipment, the service life of extension device, and reduce maintenance
Frequency.Simultaneously without noxious material, food will not be polluted.
At present, the standard of ununified Food-grade lubricant in the world, by industry that it is widely recognized that U.S. sanitary base
Gold can approval registration systems of the NSF (National Sanitation Foundation) on food machinery lubricant.According to
Definition in NSF116-2001, Food-grade lubricant (fat) be applied in food processing and package packing machine, playing lubrication, it is hot
Conduction, load transmission or corrosion-resisting function and the material that may be contacted with food, cosmetics, medicine or animal feed, be divided into H1,
H2,3H equal-specification.
In food machinery, gear is one of most common transmission mechanism, and it has transmission power bracket big, transmission efficiency
High the features such as, but be due to gear radius of curvature it is small, cause it to be required for re-establishing oil film when engaging every time, prevent mill
Damage.Especially Modern Gear equipment, it is more compact structure, smaller, it is desirable to which that gear oil has higher thermal oxidation stability, more
Good film strength, heat-conductive characteristic, the ability of anticorrosive anti-microdot erosion, will more meet the particular/special requirement of food industry, can
The part (CCP) of brought into incidental contact can occur with food, while mechanical lubrication is met, it is to avoid food pollution problem,
Ensure the quality safety of food.
The content of the invention
The present invention in order to make up the deficiencies in the prior art there is provided a kind of component rationally, with excellent waterproof, antioxidant
Energy, excellent wear resistence, extreme pressure property, anti-microdot corrosion, rust-preventing characteristic, resistance to emulsion, antifoam property be used for food-grade gear oil
Composition and preparation method thereof and gear oil comprising said composition and preparation method thereof.
The present invention is achieved through the following technical solutions：
A kind of composition for food-grade gear oil, including the component of following parts by weight are made：Food grade antioxidant
5-10 parts, 10-25 parts of food-grade antiwear additive, 0.5-1.5 parts of grade metal passivator, food-grade antirust agent 1.0-2.5, food
0.5-1.5 parts of corrosion inhibitor of level, 0.2-1.0 parts of food-grade oiliness improver, 0.1-0.5 parts of food-grade anti emulsifier, food-grade disappears
Infusion 0.01-0.3, food-grade base oil A supplies 100 parts.
Preferably, the food grade antioxidant be ashless aromatic amine antioxidant or Hinered phenols antioxidant, it is described ashless
Aromatic amine antioxidant is the one or two in alkyl diphenylamine, alkarylamine, and Hinered phenols antioxidant is di-t-butyl to first
Phenol, it is ensured that composition is safe and nontoxic, meet state food level lubricating oil hygienic requirements, meet American Health Foundation NSF H1,
The requirement of HX-1 classification lubricants.
Preferably, the food-grade antiwear additive is phosphate compounds or sulphur phosphorous compound, the phosphoric acid ester
Compound is amidophosphate, and sulphur phosphorous compound is the one or two in triphenylphosphorothionate, alkylphosphonic, is met
State food level lubricating oil hygienic requirements, meets the requirement of American Health Foundation's NSF H1, HX-1 classification lubricants.
Preferably, the grade metal passivator be benzotriazole, benzotriazole derivative or one kind in substituted triazole or
It is several, meet state food level lubricating oil hygienic requirements, meet wanting for American Health Foundation's NSF H1, HX-1 classification lubricants
Ask.
Preferably, the food-grade antirust agent is organic amine or heterocyclic compound, meets state food level lubricating oil health
It is required that, meet the requirement of American Health Foundation's NSF H1, HX-1 classification lubricants.
Preferably, the food-grade corrosion inhibitor is organic phosphonic compound；The organic phosphonic compound is organic
One or more in phosphonic acids, polycarboxylic acids, metal inhibitor, meet state food level lubricating oil hygienic requirements, meet the U.S. and defend
The requirement of raw foundation NSF H1, HX-1 classification lubricants.
Preferably, the food-grade oiliness improver is in dimeric dibasic acid, oleic acid glycol ester or benzotriazole aliphatic acid amine salt
One or more, meet state food level lubricating oil hygienic requirements, meet American Health Foundation NSF H1, HX-1 classification profit
The requirement of lubrication prescription.
Preferably, the food-grade anti emulsifier is expoxy propane diamines condensation polymer and/or high molecular polyether, meets country
Food-grade lubricant hygienic requirements, meets the requirement of American Health Foundation's NSF H1, HX-1 classification lubricants.
Preferably, the food-grade defoamer is organic silicon defoamer, meets state food level lubricating oil hygienic requirements, full
The requirement of sufficient American Health Foundation NSF H1, HX-1 classification lubricant.
Preferably, the food-grade base oil A is food-level white oil, food-grade polyalphaolefin, food-grade synthesizing ester basis
One or more in oil, include but are not limited to food-level white oil, food-grade polyalphaolefin, food-grade di esters base oil, food
Grade polyisobutene, food-grade trihydroxymethylpropanyl ester class base oil, food-grade monopentaerythritol esters base oil, food-grade are double
Pentaerythritol esters base oil, meets state food level lubricating oil hygienic requirements, meets American Health Foundation NSF H1, HX-1
The requirement of classification lubricant.
The preparation method of the composition for food-grade gear oil, comprises the following steps：
(1-1) will be heated to 30-50 DEG C under 30% normal pressure of food-grade base oil A gross weights；
(1-2) is heated in obtained food-grade base oil A to step (1-1) and is added food-grade antiwear additive while stirring, often
Pressure stirring mixing 20-40min at 50-60 DEG C；
Food grade antioxidant, grade metal are sequentially added while stirring in the mixture that (1-3) is obtained to step (1-2)
Passivator, food-grade antirust agent, food-grade corrosion inhibitor, food-grade oiliness improver, food-grade anti emulsifier, stirring mixing 100-
150min, to mixture homogeneous transparent；
Food-grade defoamer is added with spray pattern in the mixture that (1-4) is obtained to step (1-3), and added remaining
Food-grade base oil A, stirring mixing 60-120min, produces the composition for food-grade gear oil.
The gear oil of the composition for food-grade gear oil is included, including the component of following parts by weight is made：
Described composition 1.5-3.0 parts, food-grade base oil B supplies 100 parts.
Preferably, the food-grade base oil B is food-level white oil, food-grade polyalphaolefin, food-grade synthesizing ester basis
One or more in oil, meet state food level lubricating oil hygienic requirements, meet American Health Foundation's NSF H1, HX-1 classes
The requirement of other lubricant.
The preparation method of the gear oil, comprises the following steps：
(2-1) will be heated to 30-50 DEG C under 30% normal pressure of food-grade base oil B gross weights；
The composition for food-grade gear oil is added to the food-grade basis after step (2-1) heating by (2-2)
In oily B, 60-120min is stirred at 30-50 DEG C under normal pressure；
Added in the mixture that (2-3) is obtained to step (2-2) under remaining food-grade base oil B, normal pressure at 30-50 DEG C
Stir 60-120min；
(2-4) is filtered the mixture that step (2-3) is obtained under 0.1-0.2MPa pressure, is produced limpid transparent
Gear oil.
The present invention for food-grade gear oil composition and preparation method thereof and the gear oil comprising said composition and
The beneficial effect of its preparation method is：
Composition for food-grade gear oil and the gear oil comprising said composition, all the components meet FDA regulations
21CFR178 3570, all components are all safe and nontoxic, meet state food level lubricating oil hygienic requirements, based on the component
Obtained food-grade gear oil can be used for equipment or the machinery for being possible to occur brought into incidental contact with food in food processing process
On part, the requirement of American Health Foundation's NSF H1 classification lubricants is met.Food-grade gear oil composition of the present invention
And the food-grade gear oil based on it, it is excellent wear resistence, extreme pressure property, anti-micro- not only with excellent waterproof, antioxygen property
Point corrosion, rust-preventing characteristic, resistance to emulsion, antifoam property, can successfully manage food processing process middle gear system for heavy load,
The requirements such as extreme-pressure anti-wear, emulsion resistance, antirust, the erosion of anti-microdot, and it is nontoxic, it is pollution-free to food, even if having volatilization or machine
Tool equipment has leakage, and also product will not be polluted, and influences food security.
The preparation method of composition for food-grade gear oil and the gear oil comprising said composition, according to every kind of component
And the characteristics of when being mixed between component, select suitable addition sequence and mixing temperature, make the gear oil prepared limpid transparent, property
Can be stable.
It should be strongly noted that preparing the process of food-grade gear oil composition of the present invention and gear oil based on this
In, it is necessary to assure all devices and pipeline are independent Food-grade lubricant preparation system, it is ensured that come from non-food without other
The pollution and intervention of grade lubricating oil, it is ensured that all devices are complete, nontoxic, meet the production requirement of Food-grade lubricant.
Embodiment
With reference to embodiment, the invention will be further described, but the invention is not limited in this, the system in embodiment
Preparation Method is customary preparation methods, is no longer described in detail.
Embodiment 1.1：
This is following (in terms of double centner, as follows) by the composition of the composition of food-grade gear oil：
The preparation method of the composition for food-grade gear oil, using following steps：
(1-1) is added to the 30% of food-level white oil weight in mediation kettle, and 30 DEG C are heated under normal pressure；Meeting dissolving
On the premise of amount of additives, the heat time can be saved by adding a small amount of base oil, improve production efficiency；
(1-2) is heated to step (1-1) and added while stirring under food-grade antiwear additive, normal pressure in obtained food-level white oil
The stirring mixing 20min at 57 DEG C；
Food grade antioxidant, grade metal are sequentially added while stirring in the mixture that (1-3) is obtained to step (1-2)
Passivator, food-grade antirust agent, food-grade corrosion inhibitor, food-grade oiliness improver, food-grade anti emulsifier, stirring mixing
135min, to mixture homogeneous transparent；
Food-grade defoamer is added with spray pattern using atomizer in the mixture that (1-4) is obtained to step (1-3), really
Protect food-grade defoamer to enter in system with the form being atomized, be conducive to the scattered of food-grade defoamer, and add remaining
Food-level white oil, stirring mixing 60min, produces the composition for food-grade gear oil.
Embodiment 1.2：
The preparation method of the composition for food-grade gear oil, using following steps：
(1-1) is added to the 30% of food-grade polyalphaolefin weight in mediation kettle, and 50 DEG C are heated under normal pressure；Meeting
On the premise of solubilising additive quantity, the heat time can be saved by adding a small amount of base oil, improve production efficiency；
(1-2) is heated to step (1-1) and added while stirring under food-grade antiwear additive, normal pressure in obtained food-level white oil
The stirring mixing 40min at 52 DEG C；
Food grade antioxidant, grade metal are sequentially added while stirring in the mixture that (1-3) is obtained to step (1-2)
Passivator, food-grade antirust agent, food-grade corrosion inhibitor, food-grade oiliness improver, food-grade anti emulsifier, stirring mixing
112min, to mixture homogeneous transparent；
Food-grade defoamer is added with spray pattern using atomizer in the mixture that (1-4) is obtained to step (1-3), really
Protect food-grade defoamer to enter in system with the form being atomized, be conducive to the scattered of food-grade defoamer, and add remaining
Food-grade polyalphaolefin, stirring mixing 120min, produces the composition for food-grade gear oil.
Embodiment 1.3：
The preparation method of the composition for food-grade gear oil, using following steps：
(1-1) is added to the 30% of food-grade polyalphaolefin weight in mediation kettle, and 40 DEG C are heated under normal pressure；Meeting
On the premise of solubilising additive quantity, the heat time can be saved by adding a small amount of base oil, improve production efficiency；
(1-2) is heated to step (1-1) and added while stirring under food-grade antiwear additive, normal pressure in obtained food-level white oil
The stirring mixing 30min at 55 DEG C；
Food grade antioxidant, grade metal are sequentially added while stirring in the mixture that (1-3) is obtained to step (1-2)
Passivator, food-grade antirust agent, food-grade corrosion inhibitor, food-grade oiliness improver, food-grade anti emulsifier, stirring mixing
125min, to mixture homogeneous transparent；
Food-grade defoamer is added with spray pattern using atomizer in the mixture that (1-4) is obtained to step (1-3), really
Protect food-grade defoamer to enter in system with the form being atomized, be conducive to the scattered of food-grade defoamer, and add remaining
Food-grade polyalphaolefin, stirring mixing 90min, produces the composition for food-grade gear oil.
Embodiment 1.4：
The preparation method of the composition for food-grade gear oil, using following steps：
(1-1) is added to the 30% of food-level white oil weight in mediation kettle, and 35 DEG C are heated under normal pressure；Meeting dissolving
On the premise of amount of additives, the heat time can be saved by adding a small amount of base oil, improve production efficiency；
(1-2) is heated to step (1-1) and added while stirring under food-grade antiwear additive, normal pressure in obtained food-level white oil
The stirring mixing 25min at 60 DEG C；
Food grade antioxidant, grade metal are sequentially added while stirring in the mixture that (1-3) is obtained to step (1-2)
Passivator, food-grade antirust agent, food-grade corrosion inhibitor, food-grade oiliness improver, food-grade anti emulsifier, stirring mixing
150min, to mixture homogeneous transparent；
Food-grade defoamer is added with spray pattern using atomizer in the mixture that (1-4) is obtained to step (1-3), really
Protect food-grade defoamer to enter in system with the form being atomized, be conducive to the scattered of food-grade defoamer, and add remaining
Food-level white oil, stirring mixing 75min, produces the composition for food-grade gear oil.
Embodiment 1.5：
The preparation method of the composition for food-grade gear oil, using following steps：
(1-1) is added to the 30% of food-grade synthetic ester weight in mediation kettle, and 45 DEG C are heated under normal pressure；It is molten meeting
On the premise of solving amount of additives, the heat time can be saved by adding a small amount of base oil, improve production efficiency；
(1-2) is heated to step (1-1) and added while stirring under food-grade antiwear additive, normal pressure in obtained food-level white oil
The stirring mixing 35min at 50 DEG C；
Food grade antioxidant, grade metal are sequentially added while stirring in the mixture that (1-3) is obtained to step (1-2)
Passivator, food-grade antirust agent, food-grade corrosion inhibitor, food-grade oiliness improver, food-grade anti emulsifier, stirring mixing
100min, to mixture homogeneous transparent；
Food-grade defoamer is added with spray pattern using atomizer in the mixture that (1-4) is obtained to step (1-3), really
Protect food-grade defoamer to enter in system with the form being atomized, be conducive to the scattered of food-grade defoamer, and add remaining
Food-grade synthetic ester, stirring mixing 105min, produces the composition for food-grade gear oil.
Embodiment 2.1：
It is following (in terms of double centner, below by the gear oil composition of the composition of food-grade gear oil comprising the present invention
Together)：
The preparation method of the gear oil, using following steps：
(2-1) is added to the 30% of food-level white oil weight in mediation kettle, and 30 DEG C are heated under normal pressure；Meeting dissolving
On the premise of amount of additives, the heat time can be saved by adding a small amount of base oil, improve production efficiency；
The composition for food-grade gear oil is added to the food-level white oil after step (2-1) heating by (2-2)
In, stir 60min at 45 DEG C under normal pressure；
Added in the mixture that (2-3) is obtained to step (2-2) under remaining food-level white oil, normal pressure in 45 DEG C of stirrings
60min；
(2-4) is filtered the mixture that step (2-3) is obtained under 0.1MPa pressure, produces limpid transparent gear
Oil.
Embodiment 2.2：
The preparation method of the gear oil, using following steps：
(2-1) is added to the 30% of food-grade polyalphaolefin weight in mediation kettle, and 50 DEG C are heated under normal pressure；Meeting
On the premise of solubilising additive quantity, the heat time can be saved by adding a small amount of base oil, improve production efficiency；
The composition for food-grade gear oil is added to the poly- α alkene of food-grade after step (2-1) heating by (2-2)
In hydrocarbon, 120min is stirred at 35 DEG C under normal pressure；
Add and stirred under remaining food-grade polyalphaolefin, normal pressure at 35 DEG C in the mixture that (2-3) is obtained to step (2-2)
Mix 120min；
(2-4) is filtered the mixture that step (2-3) is obtained under 0.2MPa pressure, produces limpid transparent gear
Oil.
Embodiment 2.3：
The preparation method of the gear oil, using following steps：
(2-1) is added to the 30% of food-grade polyalphaolefin weight in mediation kettle, and 35 DEG C are heated under normal pressure；Meeting
On the premise of solubilising additive quantity, the heat time can be saved by adding a small amount of base oil, improve production efficiency；
The composition for food-grade gear oil is added to the poly- α alkene of food-grade after step (2-1) heating by (2-2)
In hydrocarbon, 90min is stirred at 40 DEG C under normal pressure；
Add and stirred under remaining food-grade polyalphaolefin, normal pressure at 40 DEG C in the mixture that (2-3) is obtained to step (2-2)
Mix 90min；
(2-4) is filtered the mixture that step (2-3) is obtained under 0.15MPa pressure, produces limpid transparent tooth
Wheel oil.
Embodiment 2.4：
The preparation method of the gear oil, using following steps：
(2-1) is added to the 30% of food-level white oil weight in mediation kettle, and 45 DEG C are heated under normal pressure；Meeting dissolving
On the premise of amount of additives, the heat time can be saved by adding a small amount of base oil, improve production efficiency；
The composition for food-grade gear oil is added to the food-level white oil after step (2-1) heating by (2-2)
In, stir 75min at 50 DEG C under normal pressure；
Added in the mixture that (2-3) is obtained to step (2-2) under remaining food-level white oil, normal pressure in 50 DEG C of stirrings
75min；
(2-4) is filtered the mixture that step (2-3) is obtained under 0.12MPa pressure, produces limpid transparent tooth
Wheel oil.
Embodiment 2.5：
The preparation method of the gear oil, using following steps：
(2-1) is added to the 30% of food-grade synthetic ester weight in mediation kettle, and 40 DEG C are heated under normal pressure；It is molten meeting
On the premise of solving amount of additives, the heat time can be saved by adding a small amount of base oil, improve production efficiency；
(2-2) synthesizes the food-grade that the composition for food-grade gear oil is added to after step (2-1) heating
In ester, 105min is stirred at 30 DEG C under normal pressure；
Added in the mixture that (2-3) is obtained to step (2-2) under remaining food-grade synthetic ester, normal pressure in 30 DEG C of stirrings
105min；
(2-4) is filtered the mixture that step (2-3) is obtained under 0.17MPa pressure, produces limpid transparent tooth
Wheel oil.
Food-grade gear oil composition and gear oil has advantages below as made from said composition that the present invention is provided：
A) good low temperature performance, more adapts to extreme low temperature applied environment, can also be operated freely during low temperature；
B) viscosity-temperature characteristics can more preferably, and high temperature oil-film retention property is more preferable；
C) outstanding depositional control and cleansing performance, can effectively few sludge deposition, acid number change and viscosity change it is small,
With obvious cleansing performance；
D) outstanding hydrolysis stability, improves the stability for having oil product under water condition；
E) excellent corrosion resistance and wear-resistant rustless property；
F) excellent antifoam property and air release property energy, cavitation corrosion of the reduction oil product to equipment；
G) outstanding extreme pressure property and anti-micro- pitting corrosion, protect what is run under gear, especially heavy load operating mode comprehensively
Gear；
H) it is nontoxic, it is pollution-free to food.
The food-grade gear oil composition and the gear oil as made from said composition that the present invention is provided are with vegetable oil as profit
The advantage that lubrication prescription is used：
A) pour point (experimental method ASTM D97), the pour point of food-grade gear oil of the present invention is lower than vegetable oil 25~40 DEG C,
Extreme low temperature applied environment is more adapted to, at low ambient temperatures, vegetable oil produces gelatin phenomenon, to storage and using bringing harm；
B) channel point (experimental method SH/T0030), the channel point of food-grade gear oil of the present invention than vegetable oil reduction by 20~
45 DEG C, operate under extreme low temperature applied environment free and relaxed；
C) oxidation stability (experimental method ASTM D2272), the oxidation stability of food-grade gear oil of the present invention compares plant
Oil improves 70~80%, shows that vegetable oil is more easy to be oxidized in high temperature and goes bad, the present invention effectively extends service life；
E) abrasion-resistance, using micro- traction force detector experiment, food-grade gear oil abrasion-resistance of the present invention compares vegetable oil
65~85% are improved, equipment is prevented effectively from frayed；
F) depositional control and cleansing performance (experimental method ASTM D2893B), food-grade gear oil of the present invention is seldom produced
Deposition, acid number change and viscosity change small, with obvious cleansing performance；
G) hydrolysis stability (experimental method ASTM D 2619), food-grade gear oil of the present invention is compared with vegetable oil, hydrolysis
Stability improves 30~70%；
H) air release property (experimental method ASTM D3427), the air release value of food-grade gear oil of the present invention compares plant
Oil is low by 70~80%, can substantially reduce cavitation corrosion of the oil product to gear apparatus, slows down oil product aging, and extension oil product uses the longevity
Life；
I) bearing capacity (experimental method DIN 51354), the failure rank of food-grade gear oil of the present invention is carried than vegetable oil
High 3~6 grades, bearing capacity is stronger, and providing more preferable oil film to equipment under the high sliding speed of high temperature protects；
J) overlength usage cycles, the drain period of food-grade gear oil of the present invention is 2~5 times of vegetable oil.
Claims (10)
1. a kind of composition for food-grade gear oil, it is characterized in that：Component including following parts by weight is made：Food-grade
5-10 parts of antioxidant, 10-25 parts of food-grade antiwear additive, 0.5-1.5 parts of grade metal passivator, food-grade antirust agent 1.0-
2.5,0.5-1.5 parts of food-grade corrosion inhibitor, 0.2-1.0 parts of food-grade oiliness improver, 0.1-0.5 parts of food-grade anti emulsifier,
Food-grade defoamer 0.01-0.3, food-grade base oil A supplies 100 parts.
2. the composition according to claim 1 for food-grade gear oil, it is characterized in that：The food grade antioxidant is
Ashless aromatic amine antioxidant or Hinered phenols antioxidant, the ashless aromatic amine antioxidant are alkyl diphenylamine, alkarylamine
In one or two, Hinered phenols antioxidant is BHT；The food-grade antiwear additive is phosphoric acid ester chemical combination
Thing or sulphur phosphorous compound, the phosphate compounds are amidophosphate, and sulphur phosphorous compound is triphenyl D2EHDTPA
One or two in ester, alkylphosphonic.
3. the composition according to claim 1 for food-grade gear oil, it is characterized in that：The grade metal passivation
Agent is the one or more in benzotriazole, benzotriazole derivative or substituted triazole；The food-grade antirust agent is organic amine or miscellaneous
Cycle compound.
4. the composition according to claim 1 for food-grade gear oil, it is characterized in that：The food-grade corrosion suppresses
Agent is organic phosphonic compound；The organic phosphonic compound is one kind or several in organic phospho acid, polycarboxylic acids, metal inhibitor
Kind；The food-grade oiliness improver is the one or more in dimeric dibasic acid, oleic acid glycol ester or benzotriazole aliphatic acid amine salt.
5. the composition according to claim 1 for food-grade gear oil, it is characterized in that：The food-grade anti emulsifier
For expoxy propane diamines condensation polymer and/or high molecular polyether；The food-grade defoamer is organic silicon defoamer.
6. the composition according to claim 1 for food-grade gear oil, it is characterized in that：The food-grade base oil A
For the one or more in food-level white oil, food-grade polyalphaolefin, food-grade synthesizing ester base oil.
7. according to the preparation method of any described compositions for food-grade gear oil of claim 1-6, it is characterized in that：Bag
Include following steps：
(1-1) will be heated to 30-50 DEG C under 30% normal pressure of food-grade base oil A gross weights；
(1-2) is heated to step (1-1) and added while stirring under food-grade antiwear additive, normal pressure in obtained food-grade base oil A
The stirring mixing 20-40min at 50-60 DEG C；
Food grade antioxidant, grade metal passivation are sequentially added in the mixture that (1-3) is obtained to step (1-2) while stirring
Agent, food-grade antirust agent, food-grade corrosion inhibitor, food-grade oiliness improver, food-grade anti emulsifier, stirring mixing 100-
150min, to mixture homogeneous transparent；
Food-grade defoamer is added with spray pattern in the mixture that (1-4) is obtained to step (1-3), and adds remaining food
Level base oil A, stirring mixing 60-120min, produces the composition for food-grade gear oil.
8. a kind of gear oil of the composition for food-grade gear oil comprising described in claim 1-6, it is characterized in that：Including
The component of following weight fraction is made：Described composition 1.5-3.0 parts, food-grade base oil B supplies 100 parts.
9. gear oil according to claim 8, it is characterized in that：The food-grade base oil B is food-level white oil, food-grade
One or more in polyalphaolefin, food-grade synthesizing ester base oil.
10. the preparation method of gear oil according to claim 8, it is characterized in that：Comprise the following steps：
(2-1) will be heated to 30-50 DEG C under 30% normal pressure of food-grade base oil B gross weights；
The composition for food-grade gear oil is added to the food-grade base oil B after step (2-1) heating by (2-2)
In, stir 60-120min at 30-50 DEG C under normal pressure；
Added in the mixture that (2-3) is obtained to step (2-2) under remaining food-grade base oil B, normal pressure in 30-50 DEG C of stirring
60-120min；
(2-4) is filtered the mixture that step (2-3) is obtained under 0.1-0.2MPa pressure, produces limpid transparent gear
Oil.
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| CN201710208916.XA CN106947575A (en) | 2017-03-31 | 2017-03-31 | Composition for food-grade gear oil and preparation method thereof and gear oil comprising said composition and preparation method thereof |
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| CN112080333A (en) * | 2020-08-27 | 2020-12-15 | 统一石油化工有限公司 | Long-life manual transmission oil composition |
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| CN110628491A (en) * | 2019-09-07 | 2019-12-31 | 盘锦北方沥青股份有限公司 | Composition for improving phosphorus retention rate of gear oil and application thereof |
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| CN112574802A (en) * | 2020-12-21 | 2021-03-30 | 江苏国平油品科技有限公司 | Meshing speed reducer gear oil for precision control and preparation method thereof |
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