CN109666526A - A kind of air accumulator seal fluid composition and the preparation method and application thereof containing graphene - Google Patents
A kind of air accumulator seal fluid composition and the preparation method and application thereof containing graphene Download PDFInfo
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- CN109666526A CN109666526A CN201710953078.9A CN201710953078A CN109666526A CN 109666526 A CN109666526 A CN 109666526A CN 201710953078 A CN201710953078 A CN 201710953078A CN 109666526 A CN109666526 A CN 109666526A
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- air accumulator
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
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- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
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- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- 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
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- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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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
- C10M2215/04—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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- 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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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
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Abstract
The present invention provides a kind of air accumulator seal fluid composition and the preparation method and application thereof containing graphene, component including following weight percentage: graphene 0.1~20%, viscosity index improver 0.5~10%, dispersing agent 0.1~0.5%, pour-point depressant 0.1~1.5%, demulsifier 0.01~0.2%, antioxidant 0.1~1%, deep refining base oil surplus.Air accumulator seal fluid composition of the present invention, the base oil of selected depth purification, optimization blends graphene, viscosity index improver, antioxidant, dispersing agent, pour-point depressant and demulsifier simultaneously, the acidic materials and oxidation product that air accumulator seal oil generates in use can be substantially reduced, the sealing and lubrication of the dry gas-holder in the industries such as metallurgy, gas, chemical industry, petroleum and petrochemical industry are widely used in.
Description
Technical field
The present invention relates to a kind of air accumulator seal fluid compositions, specifically, being related to a kind of air accumulator seal containing graphene
Fluid composition can substantially reduce acidic materials and oxidation product that air accumulator seal oil generates in use, be widely used in
The sealing and lubrication of dry gas-holder in the industries such as metallurgy, gas, chemical industry, petroleum and petrochemical industry.
Background technique
The main function of gas holder is to be collected the combustion gas such as coal gas, store and transmission & distribution are sent, and the shape of gas holder is generally justified
Cylindricality or Polygonal column shape, inside has one can move up and down and diameter and the comparable piston plate of cabinet body, for adjusting, in constant cabinet body
Gas pressure.Use liquid as sealing medium between piston ridge and gas holder wall, useful water as medium wet-sealed and
Use lubricating oil as the dry-type encapsulated of medium, occupied area is small, cabinet body service life is long, exhaust since dry-type encapsulated gas holder has
The obvious advantages such as pressure is constant, ground receiving pressure is small, are presented the trend for gradually substituting wet-sealed gas holder in recent years.Accordingly
The application of air accumulator seal oil also develops therewith, has become one of main iundustrial oil.
It is correct that Seal Oil is selected to be the key that guarantee gas holder safety and operate normally for dry gas-holder.Wherein, in gas holder
Gas can make to air accumulator seal oil viscosity decline, flash-point reduce, antioxygenic property dies down, and the H in gas2S can make gas holder
The corrosion resistance of Seal Oil reduces.
For these reasons, it is necessary to develop one kind and be suitable for various gases, and antioxygenic property and corrosion resistance
Excellent air accumulator seal oil.
Summary of the invention
It is an object of the invention to develop one kind to be suitable for various gases, and antioxygenic property and excellent corrosion resistance
Air accumulator seal oil.
In order to achieve the object of the present invention, the present invention provides a kind of air accumulator seal fluid composition containing graphene comprising
The component of following weight percentage:
Preferably, the air accumulator seal fluid composition includes the component of following weight percentage:
It is highly preferred that the air accumulator seal fluid composition includes the component of following weight percentage:
Preferably, the air accumulator seal fluid composition includes the component of following weight percentage:
Further, graphene of the present invention is graphene powder, graphene solution, graphene oxide powder or oxidation
The mixture of one or more of graphene solution etc.；Preferably graphene oxide solution, further preferably granularity
Not less than the graphene oxide solution of 10000~15000 mesh.
The graphene oxide solution has not to be chemically reacted with the gas in gas holder at high temperature under high pressure, and can
To adsorb various oxidation products and the greasy filth in air accumulator seal oil, the corrosion resistance and inoxidizability of air accumulator seal oil are promoted
Energy.
Further, deep refining base oil of the present invention is selected from solvent refining mineral oil, hydrogenated base oil or synthesis
The mixture of one or more of oil etc..The deep refining base oil is preferably hydrogenated base oil, further preferably
For Viscosity Index 120~130, sulfur content 0, the hydrogenated base oil that pour point is -20~-25 DEG C；More preferably Viscosity Index is
124, sulfur content 0, the hydrogenated base oil that pour point is -24 DEG C.
Wherein, the detection method of the Viscosity Index is GB/T1995, and the detection method of the sulfur content is GB/
T17040, the detection method of the pour point are GB/T3535.The wherein batch of detection of deep refining base oil of the present invention
Data are as shown in table 1.
Table 1: the detection data of deep refining base oil of the present invention
| Analysis project | Hydrogenated base oil | Test method |
| Viscosity Index | 124 | GB/T 1995 |
| Sulphur (mass fraction) % | 0 | GB/T 17040 |
| Pour point/DEG C | -24 | GB/T 3535 |
Further, viscosity index improver of the present invention is polyisobutene, polymethacrylates, ethylene-propylene copolymer
Or the mixture of one or more of styrenated polyesters etc., preferably polymethacrylates, further preferably shear
Stable sex index (PSSI) is not more than 35 polymethacrylates.
The polymethacrylates has anti-shear performance good, low temperature performance excellent, improves oil product Viscosity Index effect
Good feature.Polymethacrylates is more preferably polymethacrylates of the PSSI parameter no more than 35 by the present invention.
The detection method of the PSSI parameter are as follows: the ethylene-propylene copolymer is dissolved in 100N mineral oil with mass percent 10%, is made
At test sample, sample is detected using CEC L-45-A-99 as detection method.The PSSI parameter is not more than 35 poly- first
Base acrylate additive can be with trade nameFrom from Degussa (China) Investment Co., Ltd
It buys.
Further, dispersing agent of the present invention is mono alkenyl succimide, succinate or boronation polyisobutene fourth
The mixture of one or more of imidodicarbonic diamide etc.；Preferably succinate.Succinate can be by graphene uniform
Be dispersed in base oil, be used cooperatively with graphene selected by the present invention, can effectively reduce air accumulator seal oil and using
The oxidation product and greasy filth generated in journey.The above dispersing agent is purchased from Jinzhou Kangtai Lubricant Additives Co., Ltd..
Further, pour-point depressant of the present invention is one or both of alkylnaphthalene, fumarate or poly alpha olefin etc.
Above mixture, preferably fumarate.Fumarate can obviously be dropped with deep refining base oil use selected by the present invention
The pour point of low oil product, the above pour-point depressant are purchased from WUXI SOUTH PETROLEUM ADDITIVE Co., LTD..
Further, the demulsifier that the present invention selects be polyethers high-molecular compound, amine and ethylene oxide condensate and
The mixture of one or more of glycol ester etc.；Preferably glycol ester.Glycol ester and various additives compatibility
Property is good, and the resistance to emulsion of air accumulator seal oil can be remarkably reinforced.
The antioxidant that the present invention selects is mixed type liquid barrier phenol (T502A), dinonyldiphenylamine (T558) and octyl
The mixture of one or more of diphenylamines (Vanlube SS) etc.；Preferably octyl diphenylamine (Vanlube SS).
Octyl diphenylamine and graphene are used cooperatively especially suitable for air accumulator seal oil, are had good antioxidation, can be enhanced gas
The stability of cabinet Seal Oil.Octyl diphenylamine is purchased from Vanderbilt company.
As a preferred embodiment, in air accumulator seal fluid composition of the present invention, the graphene is graphene solution
Or (preferably for granularity not less than the graphene oxide solution of 10000 mesh, the dispersing agent is succinic acid to graphene oxide solution
Ester, the antioxidant are octyl diphenylamine).
As a preferred embodiment, air accumulator seal fluid composition of the present invention includes the group of following weight percentage
Point:
Most preferably, air accumulator seal fluid composition of the present invention includes the component of following weight percentage:
The present invention also provides the preparation methods of the air accumulator seal fluid composition.The method specifically: in depth essence
Graphene, dispersing agent, viscosity index improver, pour-point depressant, demulsifier and antioxidant are sequentially added in base oil processed, 50~70
DEG C stirring 2.5~4 hours to get composition.
Through detecting, the performance data of the air accumulator seal fluid composition provided by the invention containing graphene is as shown in table 2:
Table 2: the performance data of the air accumulator seal fluid composition containing graphene
The invention also includes the air accumulator seal fluid compositions in metallurgy, gas, chemical industry, petroleum and petrochemical industry etc.
Using.
Air accumulator seal fluid composition of the present invention, selected depth refines oil based on base oil, by optimizing graphite
Compatibility relationship between alkene, viscosity index improver, dispersing agent, pour-point depressant, demulsifier and antioxidant has the present invention excellent
Antioxygenic property and corrosion resistance more can significantly reduce greasy filth and oxidation production that air accumulator seal oil generates in use
Object does not generate burn into corrosion to the equipment containing copper, steel part.
Found out by pour point data, the present invention there can be good mobility in the environment of low temperature.
Found out by oxidation stability data, product of the present invention can effectively reduce air accumulator seal oil and produce in use
Raw greasy filth and oxidation product.
Found out by liquid-phase corrosion test data, in the presence of water, the present invention does not generate corrosion to stainless steel.
Found out by corrosion test data, under normal circumstances, the present invention does not generate corrosion to steel disc.
Found out by degree of corrosion test data, is being passed through H2In the case where S gas, the present invention does not generate copper sheet and steel disc piece
Corrosion.
In conclusion the present invention provides one kind to be widely used in the industries such as metallurgy, gas, chemical industry, petroleum and petrochemical industry
In dry gas-holder, and the acidic materials and oxidation product generated in use can be substantially reduced, and have excellent
The air accumulator seal oil of corrosion resistance.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..It is not specified in embodiment specific
Technology or conditions person, described technology or conditions according to the literature in the art, or carried out according to product description.It is used
Production firm person is not specified in reagent or instrument, is the conventional products that can be commercially available by regular distributor.
In various embodiments of the present invention, the Testing index of the hydrogenated base oil is as shown in table 1；The graphene oxide solution
It is not less than the graphene oxide solution of 10000 mesh for granularity；Polymethacrylates of the PSSI parameter no more than 35 adds
Agent can be with trade nameIt is bought from from Degussa (China) Investment Co., Ltd；Each dispersing agent purchase
From Jinzhou Kangtai Lubricant Additives Co., Ltd.；Each pour-point depressant is purchased from WUXI SOUTH PETROLEUM ADDITIVE Co., LTD.；Institute
Octyl diphenylamine is stated purchased from Vanderbilt company.
Remaining each reagent is conventional commercial.
Embodiment 1
The composition of air accumulator seal fluid composition are as follows:
According to dosage by the granularity not less than 10000 mesh graphene oxide solution,
Succinate, fumarate, glycol ester, octyl diphenylamine, are added sequentially in hydrogenated base oil, and stirring is mixed at 65 DEG C
3.5 hours to get composition.
Embodiment 2
The composition of air accumulator seal fluid composition are as follows:
According to dosage by the graphene solution, polyisobutene, mono alkenyl succimide, alkylnaphthalene, polyethers high score
Sub- compound is added sequentially to solvent refining base oil, mixes stirring 3 hours at 60 DEG C to get composition.
Embodiment 3
The composition of air accumulator seal fluid composition are as follows:
According to dosage by the graphene powder, ethylene-propylene copolymer, boronation polyisobutene succinimide, poly alpha olefin,
Amine and ethylene oxide condensate, dinonyldiphenylamine, are added sequentially in hydrogenated base oil, and stirring 4 hours is mixed at 70 DEG C,
Up to composition.
Embodiment 4
The composition of air accumulator seal fluid composition are as follows:
According to dosage by the graphene oxide powder, styrenated polyesters, succinate, alkylnaphthalene, glycol ester, two nonyls
Base diphenylamines is added sequentially to solvent refining base oil, mixes stirring 3.5 hours at 60 DEG C to get composition.
The air accumulator seal oil composition properties that Examples 1 to 4 provides relatively are shown in Table 3.
Table 3: composition properties compare
In Examples 1 to 4, the comprehensive performance for the composition that embodiment 1 provides is optimal, illustrate to use succinate, pungent
Base diphenylamines is used cooperatively with graphene oxide solution, can play fabulous anti-oxidant and anticorrosion ability, particularly with dry
H in formula gas holder2The corrosion resistance of S gas is more excellent, can play good sealing effect.
Meanwhile by embodiment 1 and commercially available air accumulator seal oil (the group prejudice of comparative example 1 and comparative example 2 for being added to graphene
Table 4) it compares, it the results are shown in Table 5.
4 comparative example 1 of table is formed with comparative example 2
Table 5
Found out by above data, the oxidation stability and degree of corrosion of comparative example 1 and comparative example 2 are (in dry gas-holder
H2The corrosion resistance of S gas) it is very poor, absolutely not play sealing effect.
For embodiment 1 compared with comparative example 1, comparative example 2, the oxidation stability and degree of corrosion of embodiment 1 (are directed to dry gas-holder
In H2The corrosion resistance of S gas) it is substantially better than comparative example 1 and comparative example 2, illustrate not all lubrication for having added graphene
Oil all has sealing effect, it is also necessary to after the type of graphene and additive, dosage reasonable compatibility, can just play superior sealing
Effect.
Although above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, fall within the scope of the claimed invention without departing from theon the basis of the spirit of the present invention.
Claims (10)
1. a kind of air accumulator seal fluid composition containing graphene, which is characterized in that it includes the group of following weight percentage
Point:
2. air accumulator seal fluid composition according to claim 1, which is characterized in that it includes following weight percentage
Component:
Preferably comprising the component of following weight percentage:
Preferably, the air accumulator seal fluid composition includes the component of following weight percentage:
3. air accumulator seal fluid composition according to claim 1 or 2, which is characterized in that the graphene is selected from graphene
The mixture of one or more of powder, graphene solution, graphene oxide powder or graphene oxide solution；
Preferably, the graphene is the graphene oxide solution that granularity is not less than 10000~15000 mesh.
4. air accumulator seal fluid composition according to claim 1-3, which is characterized in that the deep refining basis
Mixture of the oil selected from one or more of solvent refining mineral oil, hydrogenated base oil or synthetic oil；Preferably viscosity
Index 120~130, sulfur content 0, the hydrogenated base oil that pour point is -20~-25 DEG C；More preferably Viscosity Index is 124, contains
The hydrogenated base oil that sulfur content is 0, pour point is -24 DEG C.
5. any one of -4 air accumulator seal fluid composition according to claim 1, which is characterized in that the viscosity index improver
For one or more kinds of mixtures of polyisobutene, polymethacrylates, ethylene-propylene copolymer or styrenated polyesters；It is preferred that
It is not more than 35 polymethacrylates for shear stability index；Further preferably7-310；With/
Or,
The dispersing agent is the one or two of mono alkenyl succimide, succinate or boronation polyisobutene succinimide
Above mixture；And/or
The pour-point depressant is one or more kinds of mixtures of alkylnaphthalene, fumarate or poly alpha olefin；And/or
The demulsifier be polyethers high-molecular compound, amine and ethylene oxide condensate and glycol ester it is one or two kinds of with
On mixture；And/or
The antioxidant is that the one or more kinds of of mixed type liquid barrier phenol, dinonyldiphenylamine and octyl diphenylamine mix
Close object；
Preferably, the graphene is graphene solution or graphene oxide solution (preferably oxygen of the granularity not less than 10000 mesh
Graphite alkene solution, the dispersing agent are succinate, and the antioxidant is octyl diphenylamine.
6. air accumulator seal fluid composition according to claim 1, which is characterized in that it includes following weight percentage
Component:
Wherein, the graphene is the graphene oxide solution that granularity is not less than 10000 mesh, and the viscosity index improver is to cut
The polymethacrylates that stable sex index is not more than 35 is cut, the deep refining base oil Viscosity Index is 120~130, contains
The hydrogenated base oil that sulfur content is 0, pour point is -20~-25 DEG C；
Preferably, the air accumulator seal fluid composition includes the component of following weight percentage:
7. air accumulator seal fluid composition according to claim 1, which is characterized in that it includes following weight percentage
Component:
Alternatively, the air accumulator seal fluid composition includes the component of following weight percentage:
Alternatively, the air accumulator seal fluid composition includes the component of following weight percentage:
Alternatively, the air accumulator seal fluid composition includes the component of following weight percentage:
8. a kind of air accumulator seal fluid composition containing graphene, which is characterized in that performance data is as follows:
9. the preparation method of any one of the claim 1-8 air accumulator seal fluid composition, which is characterized in that the method includes
Following steps: graphene, viscosity index improver, dispersing agent, pour-point depressant, demulsification are sequentially added in deep refining base oil
Agent, antioxidant stir 2~3.5 hours at 55~75 DEG C to get composition.
10. any one of the claim 1-8 air accumulator seal fluid composition is in metallurgy, gas, chemical industry, petroleum and petrochemical industry
Middle application.
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|---|---|
| CN109666526B (en) | 2021-11-02 |
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