CN103266002A - Dual-purpose grease composition for rust protection and lubrication, and production method thereof - Google Patents
Dual-purpose grease composition for rust protection and lubrication, and production method thereof Download PDFInfo
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- CN103266002A CN103266002A CN2013102233497A CN201310223349A CN103266002A CN 103266002 A CN103266002 A CN 103266002A CN 2013102233497 A CN2013102233497 A CN 2013102233497A CN 201310223349 A CN201310223349 A CN 201310223349A CN 103266002 A CN103266002 A CN 103266002A
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Abstract
The invention discloses a dual-purpose grease composition for rust protection and lubrication. The grease composition comprises poly-alpha olefin synthetic oil, microcrystalline wax, polyisobutene, dispersion cosolvent and hindered phenol type antioxygen; based on a benchmark of the total weight of the poly-alpha olefin synthetic oil, the microcrystalline wax, the polyisobutene and the dispersion cosolvent, the mass percent content of each component is shown as follows: 30-50% of microcrystalline wax, 2-7% of polyisobutene, 0.5-3.5% of dispersion cosolvent, and the balance of poly-alpha olefin synthetic oil; the hindered phenol type antioxygen is 0.2-1.5% of the total weight of other components. The dual-purpose grease composition for rust protection and lubrication provided by the invention has proper hardness, can be spread under both hot condition and cold condition, and can be used for solving the problem that the existing rust protection and lubrication grease is inconvenient to use. The appearance of the dual-purpose grease composition for rust protection and lubrication is brown orange, and is relatively artistic; and meanwhile, the rust protection effect lasts for more than five years, and the grease composition can replace the existing cannon grease, can protect, seal and lubricate mechanical equipment, spare parts and tools, and has better application foreground.
Description
Technical field
The present invention relates to a kind of petrochemicals, specifically dual-purpose oil/fat composition of a kind of anti-rust and lubrication and preparation method thereof.
Background technology
Existing rust inhibiting lubricant kind mainly contains industrial vaseline, wire-rope grease, petrolatum type rust preventing grease, the dual-purpose fat of anti-rust and lubrication, special protection fat etc.There is certain defective in existing rust inhibiting lubricant: the one, and this rust inhibiting lubricant universal performance is relatively poor, 30 ℃ of the minimum Wei of its use temperature –, China Han Qu and region, severe cold district are wide, account for 16% of area, some areas winter minimum temperature can reach-50 ℃, the cruel summer temperature in south even can surpass 40 ℃, and existing lubricating grease be easy to generate crackle at low temperatures when being used for protecting metallic surface, at high temperature may run off, can not be southern and northern, summer in winter is general; The 2nd, this rust inhibiting lubricant cold-starting resistance is big, can not satisfy low-speed running machinery position low-temperature lubrication to the requirement of the mobile property of lubricating grease, has increased the operation and maintenance cost of machinery or equipment greatly; The 3rd, the antirust function of this rust inhibiting lubricant is relatively poor, and the mechanical means of smearing this kind lubricating grease is usually in the phenomenon of just getting rusty less than 2 years surfaces.
In addition; big gun in the special protection fat is mainly used in equipping with lubricating grease and the sealing up for safekeeping for a long time of zero spare part, instrument etc.; also be applicable to each parts device of smearing equipment summer and protect other obducent metallic surfaces of no corrosion protection, also have certain lubricity at normal temperatures.But this big gun is harder with lubricating grease, can not coldly be coated with, and is mainly used in heat and is coated with, and all needs heating at oil sealing, when playing envelope, and use is comparatively loaded down with trivial details.And this rust inhibiting lubricant outward appearance is chocolate, and the oil film of smearing back formation is black hard, be difficult to remove, and outward appearance is equipped in influence.
Summary of the invention
One of purpose of the present invention just provides the dual-purpose oil/fat composition of a kind of anti-rust and lubrication, with the problem that solves existing lubricating grease versatility difference and be not easy to use.
Two of purpose of the present invention just provides the making method of the dual-purpose oil/fat composition of a kind of anti-rust and lubrication, to prepare the good and wieldy grease composition of versatility.
One of purpose of the present invention is achieved in that the dual-purpose oil/fat composition of a kind of anti-rust and lubrication, and polyalphaolefin synthetic oil, Microcrystalline Wax, polyisobutene, dispersion solubility promoter and shield phenol type antioxidant are arranged;
Gross weight with described polyalphaolefin synthetic oil, Microcrystalline Wax, polyisobutene and dispersion solubility promoter is benchmark, and each component weight percent content is:
Microcrystalline Wax 30～50%;
Polyisobutene 2～7%;
Disperse solubility promoter 0.5～3.5%;
Surplus is the polyalphaolefin synthetic oil;
Described shield phenol type antioxidant accounts for 0.2～1.5% of polyalphaolefin synthetic oil, Microcrystalline Wax, polyisobutene and dispersion solubility promoter gross weight.
The more preferred scheme of the present invention is: the gross weight with described polyalphaolefin synthetic oil, Microcrystalline Wax, polyisobutene and dispersion solubility promoter is benchmark, and each component weight percent content is:
Microcrystalline Wax 35～45%;
Polyisobutene 4～6%;
Disperse solubility promoter 1～3%;
Surplus is the polyalphaolefin synthetic oil;
Described shield phenol type antioxidant accounts for 0.5～1% of polyalphaolefin synthetic oil, Microcrystalline Wax, polyisobutene and dispersion solubility promoter gross weight.
Described polyisobutene is that molecular weight is 1200～1375 low molecule homopolymer.
Described shield phenol type antioxidant is 2,6 – ditertbutylparacresols.
Described dispersion solubility promoter is phthalic ester.
Described dispersion solubility promoter is any one in dibutyl phthalate, dioctyl phthalate (DOP) or the dimixo-octyl phthalate.
Described Microcrystalline Wax is that fusing point is 72～87 ℃, and 100 ℃ of kinematic viscosity are 10～20mm
2Yellow or the faint yellow Microcrystalline Wax of/s.
Described polyalphaolefin synthetic oil is that 100 ℃ of kinematic viscosity are 7.7～16mm
2/ s, condensation point are lower than-50 ℃, open flash point greater than 230 ℃ polyalphaolefin synthetic oil.
The present invention adopts the high-melting-point Microcrystalline Wax to improve the high-temperature behavior of the dual-purpose oil/fat composition of anti-rust and lubrication and improves its outward appearance.Particularly, Microcrystalline Wax separates from boiling point is higher than 450 ℃ residual oil and makes (the C atomicity is greater than 26), mainly is made up of isoparaffin and solid cyclic hydrocarbon, and molecular weight is 550～700.Microcrystalline Wax is just classified with dropping point usually, sees Table 1.The Microcrystalline Wax outward appearance is yellow needle-like crystal, and is thinner than common wax crystal, fusing point is high, hardness is little, not embrittlement of good toughness, and stronger lipophilicity is arranged, stickiness and good film-forming property.The present invention selects for use No. 75, No. 80 or No. 85 Microcrystalline Waxes are good, and it is yellow or faint yellow that outward appearance is, and fusing point is 72～87 ℃, and 100 ℃ of kinematic viscosity are 10～20mm
2/ s.
Table 1: Microcrystalline Wax technical requirements (SH/T0013-2008)
Polyisobutene is the low molecule homopolymer of iso-butylene, is semi-solid, and molecular weight is that 1200～1375,100 ℃ of kinematic viscosity are 595～665mm
2/ s, open flash point is greater than 170 ℃.Have characteristics such as acidproof, alkaline-resisting, water-fast, anti-mechanical shearing, have good lubricating property, antioxidant property and tackifying, mainly improve toughness, low-temperature embrittleness of petroleum wax etc.
The dispersion solubility promoter is phthalic ester, be preferably dibutyl phthalate, dioctyl phthalate (DOP), dimixo-octyl phthalate etc., can accelerate the dissolving of other compositions, and this class material has the high dispersing ability, makes the dual-purpose oil/fat composition of anti-rust and lubrication have certain displacement.
The polyalphaolefin synthetic oil is that 100 ℃ of kinematic viscosity are 7.7～16mm
2The polyalphaolefin synthetic oil of/s, pour point are lower than-50 ℃, and open flash point is greater than 230 ℃.The polyalphaolefin synthetic oil has high viscosity index (HVI), Heat stability is good, oxidative stability is good and advantage such as low pour point outside, also have the good characteristics of stability to hydrolysis simultaneously, its advantage of extensive approval be excellent low temperature flowability, cold starting performance is fabulous.
It is base oil that the present invention has adopted with the polyalphaolefin synthetic oil, Microcrystalline Wax is viscosifying agent and polyisobutene, disperse the screening of solubility promoter and shield phenol type antioxidant, composite and optimize, make the dual-purpose oil/fat composition of anti-rust and lubrication of preparation contain suitable component and proper proportion composition, increased substantially the performance of the dual-purpose oil/fat composition of anti-rust and lubrication, solved its use temperature narrow range, the problem that can not be used for low-temperature lubrication, not only low-temperature performance is more excellent to make the dual-purpose oil/fat composition of anti-rust and lubrication of the present invention, and has a suitable high temperature viscosity, higher dropping point, hold facility and rustless property, be suitable for the low-temperature lubrication to low-speed running machinery position, the use temperature scope is-60 ℃～65 ℃, it is general to have satisfied the dual-purpose oil/fat composition of anti-rust and lubrication north and south, the service requirements that summer in winter is general has protection and lubricating function concurrently.
Two of purpose of the present invention is achieved in that the making method of the dual-purpose oil/fat composition of a kind of anti-rust and lubrication, may further comprise the steps:
A, take by weighing each component by the described weight percent of claim 1;
B, with the shield phenol type antioxidant of institute's weighing with disperse solubility promoter to join in the reactor, be heated to 60～80 ℃, constant temperature is stirred to whole dissolvings, obtains mixture A;
C, in described mixture A, add the polyalphaolefin synthetic oil, stir 10min～20min at 60～80 ℃ of constant temperature, obtain mixture B;
D, polyisobutene and Microcrystalline Wax are joined among the mixture B in the reactor, be heated to 90 ℃, 10min～30min under temperature constant state, is stirred in warming while stirring to 120～130 ℃, goes out still and gets final product.
It is base oil that the present invention has adopted with the polyalphaolefin synthetic oil, Microcrystalline Wax is the screening of viscosifying agent and polyisobutene, dispersion solubility promoter and shield phenol type antioxidant, composite and optimization, and adopt special production technique, solved the dispersing uniformity problem of each component in dual-purpose fat, made dual-purpose fat have certain displacement.
The invention solves existing rust inhibiting lubricant in the area, north and south or problem that winter and summer can not be general, and then reduce in addition avoided because of mechanized equipment transfer between different areas or in Various Seasonal, use the fat work of changing that must do, reduced the maintenance cost of all kinds of mechanical means thus.The dual-purpose oil/fat composition of anti-rust and lubrication of the present invention is neither too hard, nor too soft, can heat be coated with and can coldly be coated with, and has solved the problem that existing rust inhibiting lubricant is inconvenient to use.The dual-purpose oil/fat composition outward appearance of anti-rust and lubrication of the present invention is pale brown look, comparatively attractive in appearance, simultaneously, the antirust time can reach more than 5 years, can substitute now to use big gun fat, and colloidal stability was good, do not analyse oil, and have certain displacement, and can seal up for safekeeping lubricatedly to protecting of mechanized equipment and zero spare part, instrument, have a good application prospect.
Embodiment
Following embodiment is used for further describing the present invention, but does not limit the present invention in any form.
Embodiment 1
2,6 – ditertbutylparacresol 0.2g and dibutyl phthalate 0.5g are added in the still, be heated to 60 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.39mm
2/ s) 64.5g stirs 20mim at 60 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 5g and Microcrystalline Wax (74 ℃ of dropping points, 100 ℃ of kinematic viscosity 17.65mm
2/ s) among the mixture B of 30g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 120 ℃, constant temperature stirs 30min again, stirs, and goes out still and obtains finished product.
Embodiment 2
2,6 – ditertbutylparacresol 0.3g and dibutyl phthalate 0.7g are added in the still, be heated to 70 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.39mm
2/ s) 62.3g stirs 15mim at 70 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 5g and Microcrystalline Wax (74 ℃ of dropping points, 100 ℃ of kinematic viscosity 17.65mm
2/ s) among the mixture B of 32g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 120 ℃, constant temperature stirs 30min again, stirs, and goes out still and obtains finished product.
Embodiment 3
2,6 – ditertbutylparacresol 0.5g and dibutyl phthalate 1.0g are added in the still, be heated to 70 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.39mm
2/ s) 59g stirs 15mim at 70 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 5g and Microcrystalline Wax (74 ℃ of dropping points, 100 ℃ of kinematic viscosity 17.65mm
2/ s) among the mixture B of 35g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 125 ℃ of constant temperature and stir 20min, stir, go out still and obtain finished product.
Embodiment 4
2,6 – ditertbutylparacresol 0.7g and dibutyl phthalate 2.0g are added in the still, be heated to 80 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.39mm
2/ s) 53g stirs 10mim at 80 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 5g and Microcrystalline Wax (74 ℃ of dropping points, 100 ℃ of kinematic viscosity 17.65mm
2/ s) among the mixture B of 40g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 125 ℃ of constant temperature and stir 20min, stir, go out still and obtain finished product.
Embodiment 5
2,6 – ditertbutylparacresol 1g and dibutyl phthalate 3g are added in the still, be heated to 70 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.39mm
2/ s) 47g stirs 15mim at 70 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 5g and Microcrystalline Wax (74 ℃ of dropping points, 100 ℃ of kinematic viscosity 17.65mm
2/ s) among the mixture B of 45g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 120 ℃ of constant temperature and stir 25min, stir, go out still and obtain finished product.
Embodiment 6
2,6 – ditertbutylparacresol 1.05g and dibutyl phthalate 3.15g are added in the still, be heated to 60 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.39mm
2/ s) 43.85g stirs 20mim at 60 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 5g and Microcrystalline Wax (74 ℃ of dropping points, 100 ℃ of kinematic viscosity 17.65mm
2/ s) among the mixture B of 48g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 130 ℃ of constant temperature and stir 20min, stir, go out still and obtain finished product.
Embodiment 7
2,6 – ditertbutylparacresol 1.5g and dibutyl phthalate 3.5g are added in the still, be heated to 70 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.39mm
2/ s) 41.5g stirs 15mim at 70 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 5g and Microcrystalline Wax (74 ℃ of dropping points, 100 ℃ of kinematic viscosity 17.65mm
2/ s) among the mixture B of 50g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 125 ℃ of constant temperature and stir 20min, stir, go out still and obtain finished product.
Embodiment 8
2,6 – ditertbutylparacresol 0.7g and dibutyl phthalate 2.0g are added in the still, be heated to 80 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.03mm
2/ s) 56g stirs 10mim at 80 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 2g and Microcrystalline Wax (79 ℃ of dropping points, 100 ℃ of kinematic viscosity 19.7mm
2/ s) among the mixture B of 40g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 130 ℃ of constant temperature and stir 15min, stir, go out still and obtain finished product.
Embodiment 9
2,6 – ditertbutylparacresol 0.7g and dibutyl phthalate 2.0g are added in the still, be heated to 70 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.03mm
2/ s) 55g stirs 15mim at 70 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 3g and Microcrystalline Wax (79 ℃ of dropping points, 100 ℃ of kinematic viscosity 19.7mm
2/ s) among the mixture B of 40g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 120 ℃ of constant temperature and stir 30min, stir, go out still and obtain finished product.
Embodiment 10
2,6 – ditertbutylparacresol 0.7g and dibutyl phthalate 2g are added in the still, be heated to 60 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.03mm
2/ s) 54g stirs 20mim at 60 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 4g and Microcrystalline Wax (79 ℃ of dropping points, 100 ℃ of kinematic viscosity 19.7mm
2/ s) among the mixture B of 40g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 125 ℃ of constant temperature and stir 20min, stir, go out still and obtain finished product.
Embodiment 11
2,6 – ditertbutylparacresol 0.7g and dibutyl phthalate 2g are added in the still, be heated to 60 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.03mm
2/ s) 53g stirs 20mim at 60 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 5g and Microcrystalline Wax (79 ℃ of dropping points, 100 ℃ of kinematic viscosity 19.7mm
2/ s) among the mixture B of 40g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 120 ℃ of constant temperature and stir 30min, stir, go out still and obtain finished product.
Embodiment 12
2,6 – ditertbutylparacresol 0.7g and dibutyl phthalate 2.0g are added in the still, be heated to 70 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.03mm
2/ s) 52.4g stirs 15mim at 70 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 5.6g and Microcrystalline Wax (79 ℃ of dropping points, 100 ℃ of kinematic viscosity 19.7mm
2/ s) among the mixture B of 40g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 125 ℃ of constant temperature and stir 20min, stir, go out still and obtain finished product.
Embodiment 13
2,6 – ditertbutylparacresol 0.7g and dibutyl phthalate 2g are added in the still, be heated to 70 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.03mm
2/ s) 52g stirs 15mim at 70 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 6g and Microcrystalline Wax (79 ℃ of dropping points, 100 ℃ of kinematic viscosity 19.7mm
2/ s) among the mixture B of 40g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 120 ℃ of constant temperature and stir 30min, stir, go out still and obtain finished product.
Embodiment 14
2,6 – ditertbutylparacresol 0.7g and dibutyl phthalate 2g are added in the still, be heated to 80 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.03mm
2/ s) 51g stirs 15mim at 80 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 7g and Microcrystalline Wax (79 ℃ of dropping points, 100 ℃ of kinematic viscosity 19.7mm
2/ s) among the mixture B of 40g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 130 ℃ of constant temperature and stir 15min, stir, go out still and obtain finished product.
Embodiment 15
2,6 – ditertbutylparacresol 0.8g and dioctyl phthalate (DOP) 2g are added in the still, be heated to 70 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.03mm
2/ s) 53g stirs 15mim at 70 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 5g and Microcrystalline Wax (79 ℃ of dropping points, 100 ℃ of kinematic viscosity 19.7mm
2/ s) among the mixture B of 40g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 125 ℃ of constant temperature and stir 20min, stir, go out still and obtain finished product.
Embodiment 16
2,6 – ditertbutylparacresol 0.8g and dimixo-octyl phthalate 2g are added in the still, be heated to 60 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 8.03mm
2/ s) 57g stirs 20mim at 60 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 6g and Microcrystalline Wax (79 ℃ of dropping points, 100 ℃ of kinematic viscosity 19.7mm
2/ s) among the mixture B of 35g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 120 ℃ of constant temperature and stir 30min, stir, go out still and obtain finished product.
Embodiment 17
2,6 – ditertbutylparacresol 1.0g and dibutyl phthalate 3g are added in the still, be heated to 70 ℃ of constant temperature and be stirred to whole dissolvings, obtain mixture A; In described mixture A, add polyalphaolefin synthetic oil (100 ℃ of kinematic viscosity 15.6mm
2/ s) 58g stirs 15mim at 70 ℃, obtains mixture B; Add low molecular polyisobutylene (100 ℃ of kinematic viscosity 630mm again
2/ s) 4g and Microcrystalline Wax (71 ℃ of dropping points, 100 ℃ of kinematic viscosity 9.18mm
2/ s) among the mixture B of 35g in the reactor, be heated to 90 ℃, stir gradually and be warming up to 125 ℃ of constant temperature and stir 20min, stir, go out still and obtain finished product.
Comparative Examples: be used big gun lubricating grease, meet SH/T0383 – 2005 standards.Product is formed %(m/m under this standard): the total loss system is with oily L-AN10035～25, petrolatum 60～75, purification ceresine 5～0, industrial sodium hydroxide (caustic soda) 0.02.Be applicable to each parts device of smearing heavy weapons and protect the obducent bare metal parts surface of other no corrosion protection.
The polyalphaolefin synthetic oil that uses among the present invention, Microcrystalline Wax, polyisobutene, dispersion solubility promoter and shield phenol type antioxidant; Be common commercially available commodity chemical.
The product for preparing among the embodiment among 10 couples of the present invention of embodiment carries out performance measurement.
Its examination criteria carries out according to following standard:
GB/T265 petroleum products kinematic viscosity assay method and kinetic viscosity computing method;
SH/T0155 lubricating grease and hydrocarbon solid dropping point assay method;
GB/T269 lubricating grease and petrolatum cone penetration assay method;
SH/T0334 lubricating grease hold facility assay method;
SH/T0048 lubricating grease similar viscosity assay method;
SH/T0338 ball bearing grease low temperature torque detection.
Detected result is as shown in table 2:
Show that according to above-mentioned test result the dual-purpose oil/fat composition of anti-rust and lubrication of the present invention's preparation all satisfies respective standard, compare with existing rust inhibiting lubricant, 100 ℃ of better (12～15mm of kinematic viscosity index
2/ s), dropping point is brought up to more than 70 ℃, hold facility improves more than 2 times,-60 ℃ of freezing 2 hours surfaces do not have be full of cracks, the use temperature scope is-60 ℃～65 ℃, satisfying dual-purpose fat north and south is general, the summer in winter is general 40 ℃ of low temperature torques of service requirements ， Qie – can practical requirement, has protective and oilness concurrently under-40 ℃ of cold condition.The dual-purpose oil/fat composition outward appearance of anti-rust and lubrication of the present invention is that pale brown look, cone penetration are not less than 200, and is neither too hard, nor too soft, can heat be coated with and can coldly be coated with, easy to use, and colloidal stability is good, does not analyse oil, and has certain displacement, seals work-ing life for a long time up for safekeeping above 5 years.
Claims (9)
1. the dual-purpose oil/fat composition of anti-rust and lubrication is characterized in that, includes polyalphaolefin synthetic oil, Microcrystalline Wax, polyisobutene, dispersion solubility promoter and shield phenol type antioxidant;
Gross weight with described polyalphaolefin synthetic oil, Microcrystalline Wax, polyisobutene and dispersion solubility promoter is benchmark, and each component weight percent content is:
Microcrystalline Wax 30 ~ 50%;
Polyisobutene 2 ~ 7%;
Disperse solubility promoter 0.5 ~ 3.5%;
Surplus is the polyalphaolefin synthetic oil;
Described shield phenol type antioxidant accounts for 0.2 ~ 1.5% of polyalphaolefin synthetic oil, Microcrystalline Wax, polyisobutene and dispersion solubility promoter gross weight.
2. the dual-purpose oil/fat composition of anti-rust and lubrication according to claim 1 is characterized in that, is benchmark with the gross weight of described polyalphaolefin synthetic oil, Microcrystalline Wax, polyisobutene and dispersion solubility promoter, and each component weight percent content is:
Microcrystalline Wax 35 ~ 45%;
Polyisobutene 4 ~ 6%;
Disperse solubility promoter 1 ~ 3%;
Surplus is the polyalphaolefin synthetic oil;
Described shield phenol type antioxidant accounts for 0.5 ~ 1% of polyalphaolefin synthetic oil, Microcrystalline Wax, polyisobutene and dispersion solubility promoter gross weight.
3. dual-purpose oil/fat composition according to claim 1 and 2 is characterized in that, described polyisobutene is that molecular weight is 1200 ~ 1375 low molecule homopolymer.
4. dual-purpose oil/fat composition according to claim 1 and 2 is characterized in that, described shield phenol type antioxidant is 2,6 – ditertbutylparacresols.
5. dual-purpose oil/fat composition according to claim 1 and 2 is characterized in that, described dispersion solubility promoter is phthalic ester.
6. dual-purpose oil/fat composition according to claim 5 is characterized in that, described dispersion solubility promoter is any one in dibutyl phthalate, dioctyl phthalate (DOP) or the dimixo-octyl phthalate.
7. dual-purpose oil/fat composition according to claim 1 and 2 is characterized in that, described Microcrystalline Wax is that fusing point is 72 ~ 87 ℃, and 100 ℃ of kinematic viscosity are 10 ~ 20mm
2Yellow or the faint yellow Microcrystalline Wax of/s.
8. dual-purpose oil/fat composition according to claim 1 and 2 is characterized in that, described poly-a alkene synthetic oil is that 100 ℃ of kinematic viscosity are 7.7 ~ 16mm
2/ s, condensation point are lower than-50 ℃, open flash point greater than 230 ℃ poly-a alkene synthetic oil.
9. the making method of the dual-purpose oil/fat composition of anti-rust and lubrication is characterized in that, may further comprise the steps:
A, take by weighing each component by the described weight percent of claim 1;
B, with the shield phenol type antioxidant of institute's weighing with disperse solubility promoter to join in the reactor, be heated to 60 ~ 80 ℃, constant temperature is stirred to whole dissolvings, gets mixture A;
C, in described mixture A, add the polyalphaolefin synthetic oil, stir 10min ~ 20min at 60 ~ 80 ℃ of following constant temperature, obtain mixture B;
D, polyisobutene and Microcrystalline Wax are joined among the mixture B of reactor, be heated to 90 ℃, 10min～30min under temperature constant state, is stirred in warming while stirring to 120～130 ℃, goes out still and gets final product.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419916A (en) * | 2015-12-21 | 2016-03-23 | 黄志华 | Antirust grease and preparation method thereof |
| CN105950266A (en) * | 2016-05-10 | 2016-09-21 | 合肥工业大学 | Wide-temperature-range biolubricant for vehicle and preparation method of wide-temperature-range biolubricant |
| CN110157522A (en) * | 2019-05-22 | 2019-08-23 | 常熟理工学院 | A kind of wire-rope grease and preparation method thereof |
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| JPH02194095A (en) * | 1989-01-20 | 1990-07-31 | Daihatsu Motor Co Ltd | Grease composition for ball joint |
| CN102433202A (en) * | 2011-10-20 | 2012-05-02 | 中国石油化工股份有限公司 | Hydroxyl lubricating grease composition |
| CN102994198A (en) * | 2012-12-28 | 2013-03-27 | 天津市津冠润滑脂有限公司 | Alkyl lubricating grease used for surface protection of steel wire rope and preparation method thereof |
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| JPH02194095A (en) * | 1989-01-20 | 1990-07-31 | Daihatsu Motor Co Ltd | Grease composition for ball joint |
| CN102433202A (en) * | 2011-10-20 | 2012-05-02 | 中国石油化工股份有限公司 | Hydroxyl lubricating grease composition |
| CN102994198A (en) * | 2012-12-28 | 2013-03-27 | 天津市津冠润滑脂有限公司 | Alkyl lubricating grease used for surface protection of steel wire rope and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419916A (en) * | 2015-12-21 | 2016-03-23 | 黄志华 | Antirust grease and preparation method thereof |
| CN105950266A (en) * | 2016-05-10 | 2016-09-21 | 合肥工业大学 | Wide-temperature-range biolubricant for vehicle and preparation method of wide-temperature-range biolubricant |
| CN105950266B (en) * | 2016-05-10 | 2018-06-15 | 合肥工业大学 | Automobile-used width temperature range biological lubricant and preparation method thereof |
| CN110157522A (en) * | 2019-05-22 | 2019-08-23 | 常熟理工学院 | A kind of wire-rope grease and preparation method thereof |
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| CN103266002B (en) | 2015-06-10 |
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