CN1058745C - Oil composition for oil-impregnated bearing - Google Patents
Oil composition for oil-impregnated bearing Download PDFInfo
- Publication number
- CN1058745C CN1058745C CN96109289A CN96109289A CN1058745C CN 1058745 C CN1058745 C CN 1058745C CN 96109289 A CN96109289 A CN 96109289A CN 96109289 A CN96109289 A CN 96109289A CN 1058745 C CN1058745 C CN 1058745C
- Authority
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- China
- Prior art keywords
- oil
- bearing
- crude oil
- hydrogen phosphite
- alkyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000000203 mixture Substances 0.000 title claims abstract description 34
- 239000003921 oil Substances 0.000 claims abstract description 76
- 239000010779 crude oil Substances 0.000 claims abstract description 30
- GBHRVZIGDIUCJB-UHFFFAOYSA-N hydrogenphosphite Chemical compound OP([O-])[O-] GBHRVZIGDIUCJB-UHFFFAOYSA-N 0.000 claims abstract description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 18
- 125000000217 alkyl group Chemical group 0.000 claims description 13
- 229920013639 polyalphaolefin Polymers 0.000 claims description 12
- 150000004996 alkyl benzenes Chemical class 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 9
- 239000004711 α-olefin Substances 0.000 claims description 8
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 6
- 125000003342 alkenyl group Chemical group 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 29
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- 125000001183 hydrocarbyl group Chemical group 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 239000010452 phosphate Substances 0.000 abstract 1
- 239000002480 mineral oil Substances 0.000 description 9
- 235000010446 mineral oil Nutrition 0.000 description 9
- 239000010802 sludge Substances 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 5
- 239000003963 antioxidant agent Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 4
- -1 phosphorus compound Chemical class 0.000 description 4
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical group CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 3
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 150000002790 naphthalenes Chemical class 0.000 description 2
- 125000001117 oleyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N pentanoic acid group Chemical group C(CCCC)(=O)O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 229920000193 polymethacrylate Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- DUXYWXYOBMKGIN-UHFFFAOYSA-N trimyristin Chemical compound CCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCC DUXYWXYOBMKGIN-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- NOCMYCSJUZYBNE-UHFFFAOYSA-N dioctadecyl hydrogen phosphite Chemical compound CCCCCCCCCCCCCCCCCCOP(O)OCCCCCCCCCCCCCCCCCC NOCMYCSJUZYBNE-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- AUZONCFQVSMFAP-UHFFFAOYSA-N disulfiram Chemical compound CCN(CC)C(=S)SSC(=S)N(CC)CC AUZONCFQVSMFAP-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- 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
- C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
- C10M137/12—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having a phosphorus-to-carbon bond
-
- 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
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/02—Well-defined hydrocarbons
- C10M105/06—Well-defined hydrocarbons aromatic
-
- 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
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/02—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
- Rolling Contact Bearings (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
An oil composition for an oil-impregnated bearing, comprising a crude oil and a dihydrocarbyl hydrogenphosphite and/or a trihydrocarbyl phosphate containing a hydrocarbyl group having 12 to 30 carbon atoms. The oil composition for an oil-impregnated bearing can reduce the coefficient of friction of the bearing and improve the wear resistance of the bearing and the suitability of the oil composition for bearing materials.
Description
The present invention relates to a kind of oil compositions that is used for oil bearing.Or rather, the present invention relates to a kind of frictional coefficient that be used for oil bearing and that can reduce sintered bearing, stop the bearing abrasion and show the adaptive oil compositions good with all kinds bearing materials.
Sintered bearing prepares by inject lubricating oil in porous article, wherein porous article is by using metal-powder, for example: the powder of iron, copper, tin, lead, zinc or carbon, as material and by means of sintering this material is molded into goods and obtains.Be used for the agglomerating material and be divided into copper material and ferrous material basically.Copper material is used to for example various types of electric work machines in video tape recorder, car stereo phonograph and the electric fan of audio and video products and household electrical appliance.Ferrous material is used to the various types of electric motor in the motor vehicle electric parts, for example: fan motor.The quality of product depends on the performance (oil that is used for sintered bearing) of the lubricating oil in the injection bearing.
That is to say that the oil that requires to be used for sintered bearing at high temperature has good heat impedance and oxidative stability and because the low volatility of the heat that tumbler produces.Supply is oily no longer in addition in use for most of bearings, therefore, also requires this oil to have long work-ing life.In addition, also require oil under high or low temperature, to have good lubricity and to the adaptability of material, for example plastic material that uses in the part around agglomerated material and the agglomerated material.
In addition,, the size of sintered bearing and thickness becomes more abominable and more diversified because reducing with environment for use, so with regard to resistance to abrasion, living property of anticol and oxidative stability, the eager oil that requires further improvement to be used for sintered bearing.For at portable boxlike radio cassette player, the oil of used sintered bearing in the capstan bearing of Portable, compact type phonograph, portable small-sized phonograph and the motor bearing in order to reduce power consumption, wishes to reduce frictional coefficient.A kind of oil that comprises the oil of crude oil and metallic special additive as above-mentioned sintered bearing of in Japanese Unexamined Patent Publication No is put down into 7 (1995)-53984 specification sheets, describing.Yet this oil that is used for bearing can not satisfy the oily desired all properties that is used for sintered bearing, promptly good resistance to abrasion, oxidative stability and low frictional coefficient.
The present invention is done in these cases.Therefore, the purpose of this invention is to provide a kind of oil compositions that is used for sintered bearing, its can reduce the frictional coefficient of bearing and improve the resistance to abrasion of bearing and oil compositions to the adaptability of bearing materials.
Carry out extensive studies by the contriver, find when oil compositions comprises a kind of crude oil and a kind of special phosphorus compound, can reduce the frictional coefficient and the resistance to abrasion of improving bearing and oily adaptability of bearing bearing materials.
So, the invention provides a kind of oil compositions that is used for oil bearing, it comprises the compound of selecting of a kind of crude oil and at least a type from the hydrogen phosphite dialkyl that contains an alkyl with 12～30 carbon atoms and phosphoric acid trialkyl.
Describe the present invention below in detail.
A kind of crude oil of mineral oil and/or synthetic oil that comprises can be used as the crude oil that is used for the oil compositions of oil bearing of the present invention.The crude oil that also comprises viscosity index improver except that mineral oil and/or synthetic oil also can use.
Type and performance to mineral oil used among the present invention and synthetic oil are unqualified.Can use 40 ℃ of following kinematic viscosity is 5～500mm
2The oil of/sec.When the kinematic viscosity of oil is lower than 5mm
2During/sec, produce the problem that for example oil film strength descends and vaporization losses improves.When the kinematic viscosity of oil is higher than 500mm
2During/sec, viscous resistance improves, and the possibility that produces all difficulties is arranged.Based on these reasons, kinematic viscosity is 10～300mm preferably
2/ sec.The example of mineral oil comprises the naphthenic mineral oil that paraffin mineral oil, centre distillate mineral oil and obtain by for example solvent treatment of refining, hydrofining, hydrocracking and dewaxing treatment, and adds the resulting oil of viscosity index improver in these oil.
The example of synthetic oil comprises polybutene, polyolefine (multipolymer that comprises alpha-olefin), various types of ester (for example polyol ester, diester and phosphoric acid ester), various types of ether (for example polyphenylene oxide), alkylbenzene, alkylnaphthalene and add the resulting oil of viscosity index improver in these oil.
In the present invention, can use the mixture of the mineral oil of above-mentioned two or more types.Also can use the mixture of the synthetic oil of above-mentioned two or more types.And the mixture that also can use mineral oil and synthetic oil.
As crude oil, preferably use the crude oil of forming by the hydrogenated products of poly-alpha olefins, ethene-alpha-olefin copolymer or these polymkeric substance.Preferably use the oligopolymer of the alpha-olefin that contains 6～14 carbon atoms as poly-alpha olefins.Preferably use ethylene-propylene copolymer as ethene-alpha-olefin copolymer.In the present invention, particularly preferably be to use by at least from the hydrogenated products of (a) poly-alpha olefins and they, (b) ethene-alpha-olefin copolymer and their hydrogenated products, (c) crude oil of (c-1) poly-alpha olefins, ethene-alpha-olefin copolymer or their hydrogenated products and a kind of composition of (c-2) selecting in the mixture of alkylbenzene or alkylnaphthalene is because can access the very low temperature characteristic and stop the formation of sludge.Except that above-mentioned component, also can use the crude oil that contains viscosity index improver.
Above-described crude oil at high temperature can be in order to avoid a difficult problem between the usage period, for example, since the infiltration of the oil of bearing materials cause " oil pressure is sewed and " is caused that the spillage increase that oil film strength descends and bearing oils causes the shortening of bearing life and part fouling on every side, and these difficult problems when bringing into use at low temperatures, for example under-supply because the flowability decline bearing surface of oil oils.
In the present invention alkylbenzene that uses as crude oil and alkylnaphthalene can be have a phenyl ring or naphthalene nucleus and at least one contain 6～30, be preferably 10～24 carbon atoms and be combined in phenyl ring or naphthalene nucleus on the compound of alkyl substituent.The content of abovementioned alkyl benzene and alkylnaphthalene 3～90% (weight) preferably in crude oil.The crude oil that the crude oil that contains alkylbenzene or alkylnaphthalene, particularly their amount are not less than 3% (weight) can suppress the formation of sludge, thereby keeps oil to spill by the hole in the bearing materials.When content during greater than 90% (weight), aniline point descend and bearing around sealing material expand or shrink, will cause that sometimes oil increases from the spillage on the bearing.In addition, because viscosity index descends, may produce the above-mentioned difficulty that is at high temperature produced between the usage period and the difficulty when bringing into use at low temperatures.For the foregoing reasons, the content of alkylbenzene or alkylnaphthalene more preferably is 3～75% (weight) in former weight of oil, most preferably is 3～60%.
Can use the preferred example of the viscosity index improver in above-mentioned crude oil to comprise alkene (being total to) polymkeric substance, for example: ethylene-propylene copolymer, polymethacrylate and polyisobutene.Because the very low temperature performance is particularly preferably used polymethacrylate.Because ultrastability under shearing condition, the number-average molecular weight of viscosity index improver preferably 10,000～1,000,000 preferably is 10,000～100,000, more preferably is 10,000～50,000.
The oil compositions that is used for oil bearing of the present invention comprise top crude oil and at least a type from hydrogen phosphite dialkyl that contains an alkyl with 12～30 carbon atoms and the compound that the phosphoric acid trialkyl is selected.By following general formula (I):
(R
1O)
2POH ... (I) Dai Biao compound is preferably as above-mentioned hydrogen phosphite dialkyl ester.
In the superincumbent general formula (I), R
1Preferably expression has the alkyl or the alkenyl of 12～30 carbon atoms.When the carbon atom of the alkyl in the top hydrogen phosphite dialkyl was less than 12, the hydrogen phosphite dialkyl provided a kind of stability of inferior quality and oil compositions that be easy to form sludge.When the carbon atom of alkyl during more than 30, the problem that is produced is that resulting oil compositions does not show the lubricity of expecting from contained amount, and this hydrogen phosphite dialkyl is difficult to obtain.For the foregoing reasons, more preferably be that alkyl has 14～22 carbon atoms.
The object lesson of used in the present invention hydrogen phosphite dialkyl comprises hydrogen phosphite two lauryls, hydrogen phosphite two palm esters, hydrogen phosphite distearyl ester and hydrogen phosphite two oily alkene esters.
Preferably use by the compound of following general formula (II) representative as phosphoric acid trialkyl used among the present invention:
(R
2O)
3P＝O …(II)
In the superincumbent general formula (II), R
2Preferably represent alkyl or alkenyl.Based on above-described same reason to the hydrogen phosphite dialkyl, alkyl or alkenyl preferably have 12～30 carbon atoms, more preferably have 14～22 carbon atoms.
The object lesson of phosphoric acid trialkyl used in this invention comprises tricresyl phosphate lauryl, tricresyl phosphate myristin, tricresyl phosphate palm ester, tricresyl phosphate stearyl and tricresyl phosphate oil alkene ester.
The oil compositions that is used for oil bearing of the present invention preferably includes the compound of selecting from above-mentioned hydrogen phosphite dialkyl and phosphoric acid trialkyl of at least a type, and its content is 0.01～10% (weight).When content was lower than 0.01% (weight), advantageous effects of the present invention did not almost show.When content was higher than 10% (weight), its advantageous effects fully showed, and the tendency that forms mud is arranged.Based on top reason, content preferably 0.1～5% (weight), be 0.1～3% (weight) preferably.
In the present invention, as long as content is among above-mentioned scope, can use two or more types the hydrogen phosphite dialkyl mixture and also can use the mixture of the phosphoric acid trialkyl of two or more types.And the mixture that can use one or more hydrogen phosphite dialkyls and one or more phosphoric acid trialkyls.
At the oil compositions that is used for oil bearing of the present invention, if desired, can comprise viscosity index improver, pour point reducer, ashless dispersant, metallo-detergent, antioxidant, oiliness improver, corrosion inhibitor, tensio-active agent, defoamer and friction modifier in addition according to the use range that purpose of the present invention is not had negative interaction.
The oil compositions that is used for oil bearing of the present invention is injected into various types of sintered metal materials and is used to the bearing of sintered alloy.Sintered bearing can be used as various types of bearings and uses, for example, and roller bearing and motor bearing in portable boxlike radio cassette player, Portable, compact type phonograph, the portable small-sized phonograph.
Summary of benefits of the present invention is, the oil compositions that is used for oil bearing of the present invention is used for sintered bearing by being injected into various dissimilar sintered metal materials, can reduce the frictional coefficient of bearing, and improve the wear resistance of bearing and oil compositions adaptability bearing materials.
Following comparative examples is described the present invention in more detail.But embodiment is not a limitation of the present invention.
The performance that is used for the oil compositions of oil bearing is measured according to following method.
(1) housing wear test
Method according to the JPI-5S-32-90 of Petroleum Association of Japan is measured wear resistance, and measures the diameter of formed scratch under following condition:
Velocity of rotation: 1200 rev/mins
Load: 40 kilogram forces
Oil temperature: 50 ℃
Time: 60 minutes (2) pendulum rub(bing)tests
The method of the JASO M 314-88 that formulates according to Japanese car IEEE is measured frictional coefficient under following condition:
Ball: SUJ2 (3/16 foot)
Needle roller: SUJ2
Oil temperature: the dip test of 25 ℃ of (3) bearing materialss
Under 120 ℃, after following bearing materials flooded 100 hours, measure oil in test oil by the amount of checking the sludge that forms in the oil that corrosive forms and measurement is tested in the bearing materials.By using bore dia is the amount that the millipore filter of 0.8 μ m is measured formed sludge.
Bearing materials:
Ferrous material: according to the B of Japanese Industrial Standards 1581 SBF
2118Material
Copper material: according to the B of Japanese Industrial Standards 1581 SBK
1218Material
Embodiment 1～4 and Comparative Examples 1～4
Preparation is used for the oil compositions of oil bearing according to the crude oil shown in the prescription use table 1 shown in the table 2, and measures the performance of prepared oil compositions.The results are shown in the table 2.
Table 1
Crude oil (1) crude oil (2) crude oil (3) 1) alkylbenzene (weight) %--30 kinematic viscosity (mm alkylbenzene (weight) %-5-5 poly-alpha olefins (weight) %-30 434 poly-alpha olefins (weight) %-65 273 poly-alpha olefins (weight) % 100--2))))
2/ s) 40 ℃ 30.7 99.9 99.3100 ℃ 5.84 13.70 13.69 viscosity indexs, 137 138 139 pour points (℃)-50＞-50-40 flash-points (℃) 238 264 252
1) poly-alpha olefins: kinematic viscosity (100 ℃), 6cSt; The product of Ethyl Corporation, a kind of decylene oligomer;
2) poly-alpha olefins: kinematic viscosity (100 ℃), 10cSt; The product of Ethyl Corporation, a kind of decylene oligomer;
3) poly-alpha olefins: kinematic viscosity (100 ℃), 40cSt; The product of Ethyl Corporation, a kind of decylene oligomer;
4) alkylbenzene: kinematic viscosity (40 ℃), 50cSt; Has 1～2 C
12The side chain heavy alkyl benzene of alkyl;
5) alkylnaphthalene: kinematic viscosity (40 ℃), 28cSt; Has C
16Or C
18The alkylnaphthalene of alkyl;
Table 2-1
Embodiment 1 embodiment 2 embodiment 3 embodiment 4 crude oil, (1) 97.0--97.0 crude oil, (2)-97.0--crude oil, (3)--97.0-hydrogen phosphite, two oleyl esters 2.0 2.0--hydrogen phosphite dilauryl ester---2.0 tricresyl phosphate oleyl esters--2.0-hydrogen phosphite dibutyl ester---acid di(2-ethylhexyl)phosphate oleyl ester---tricresyl phosphite oleyl ester---tricresyl phosphate----antioxidant*1.0 forming not have, the dip test copper material corrosion of 1.0 1.0 1.0 frictional coefficient 0.10 0.10 0.10 0.10 housing wearing and tearing (mm) 0.44 0.43 0.48 0.44 bearings of being surveyed by pendulum test do not have no sludge (mg/100ml) (micropore, there is not no sludge (mg/100ml) (micropore 0.8 μ m) corrosion of 1.8 0.6 0.7 1.9 ferrous materials forms not have, 0,8 μ m) 1.7 0.6 0.6 1.8
*The product of Ciba-Geigy company, Irganox L57, a kind of pentanoic antioxidant.
Table 2-2
Comparative Examples 1 Comparative Examples 2 Comparative Examples 3 Comparative Examples 4 crude oil (1) 97.0 97.0 97.0 97.0 crude oil (2)---crude oil (3)---hydrogen phosphite two oleyl esters---hydrogen phosphite dilauryl ester---tricresyl phosphate oleyl ester---hydrogen phosphite dibutyl ester 2.0---acid di(2-ethylhexyl)phosphate oleyl ester-2.0--tricresyl phosphite oleyl ester--2.0-tricresyl phosphate---2.0 antioxidants*1.0 being shaped as to form, the dip test copper material corrosion form of 1.0 1.0 1.0 frictional coefficient 0.10 0.10 0.14 0.13 Shell Co. Ltd wearing and tearing (mm) 0.40 0.43 0.85 0.71 bearings of being surveyed by pendulum test do not have no sludge (mg/100ml) (micropore, there is not no sludge (mg/100ml) (micropore 0.8 μ m) 10.8 13.1 0.6 0.5 ferrous material corrosion forms are shaped as to form, 0,8 μ m) 11.3 12.8 0.5 0.5
*The product of Ciba-Geigy company, Irganox L57, a kind of pentanoic antioxidant.
Claims (2)
1. oil compositions that is used for oil bearing, it comprises at least a compound of selecting of a kind of crude oil and 0.01-10% weight from the hydrogen phosphite dialkyl that contains the alkyl with 12～30 carbon atoms and phosphoric acid trialkyl,
Wherein the hydrogen phosphite dialkyl is following general formula (I):
(R
1O)
2POH …(I)
The compound of representative, here, R
1Expression has the alkyl or the alkenyl of 12～30 carbon atoms,
The phosphoric acid trialkyl is following general formula (II):
(R
2O)
3P＝O …(II)
The compound of representative, here, R
2Expression has the alkyl or the alkenyl of 12～30 carbon atoms.
2. according to the oil compositions that is used for oil bearing of claim 1, wherein crude oil comprise at least a from
(a) poly-alpha olefins and their hydrogenated products,
(b) hydrogenated products of ethene-alpha-olefin copolymer and they and
(c) (c-1) poly-alpha olefins, ethene-alpha-olefin copolymer or their hydrogenated products and (c-2) mixture of alkylbenzene or alkylnaphthalene
The middle compound of selecting.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP198439/1995 | 1995-08-03 | ||
| JP198439/95 | 1995-08-03 | ||
| JP19843995A JP3433402B2 (en) | 1995-08-03 | 1995-08-03 | Oil composition for impregnated bearings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1147539A CN1147539A (en) | 1997-04-16 |
| CN1058745C true CN1058745C (en) | 2000-11-22 |
Family
ID=16391108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96109289A Expired - Lifetime CN1058745C (en) | 1995-08-03 | 1996-08-02 | Oil composition for oil-impregnated bearing |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP3433402B2 (en) |
| KR (1) | KR970010933A (en) |
| CN (1) | CN1058745C (en) |
| MY (1) | MY123772A (en) |
| TW (1) | TW403780B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4548809B2 (en) * | 1997-06-11 | 2010-09-22 | Ｊｘ日鉱日石エネルギー株式会社 | Lubricating oil composition for sliding guide surfaces |
| JP4777526B2 (en) * | 2000-03-08 | 2011-09-21 | ポーライト株式会社 | Oil-impregnated bearing and lubricating oil used for the bearing |
| JP4781543B2 (en) * | 2001-02-22 | 2011-09-28 | 新日鐵化学株式会社 | Lubricating oil and lubricating grease for torque limiters |
| JP4568007B2 (en) * | 2004-03-31 | 2010-10-27 | 出光興産株式会社 | Lubricating oil composition for sizing press processing |
| WO2007132626A1 (en) | 2006-05-16 | 2007-11-22 | Nok Kluber Co., Ltd. | Lubricating oil composition |
| JP2008280540A (en) * | 2008-06-16 | 2008-11-20 | Idemitsu Kosan Co Ltd | Oil for oil-impregnated bearing, oil-impregnated bearing using the oil, and pressurization motor |
| CN102010774B (en) * | 2010-12-09 | 2013-04-03 | 东南大学 | Lubricating oil applicable to zirconia ceramic or bearing steel friction pair and preparation method thereof |
| JP5743537B2 (en) * | 2010-12-27 | 2015-07-01 | 出光興産株式会社 | Grease for bearing |
| JP5830296B2 (en) * | 2011-07-29 | 2015-12-09 | 出光興産株式会社 | Rolling lubricant and rolling method |
| KR20160003813A (en) | 2013-06-18 | 2016-01-11 | 가부시키가이샤 야스카와덴키 | Rotation mechanism and robot |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3935116A (en) * | 1972-02-28 | 1976-01-27 | Mcdonnell Douglas Corporation | Functional fluid compositions |
| US5059334A (en) * | 1980-12-29 | 1991-10-22 | Tribophysics Corporation | Lubricant |
| US5346637A (en) * | 1992-12-16 | 1994-09-13 | Mobil Oil Corporation | Antiwear additives |
| CN1097796A (en) * | 1993-05-25 | 1995-01-25 | 昭和砚壳石油株式会社 | Urea grease composition |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4229310A (en) * | 1978-03-16 | 1980-10-21 | Mobil Oil Corporation | Lubricant compositions |
| DE3482123D1 (en) * | 1983-09-28 | 1990-06-07 | Hitachi Ltd | LUBRICANTS FOR METALLONING METAL AND METHOD FOR METALLONING. |
| US4704218A (en) * | 1985-12-16 | 1987-11-03 | Horodysky Andrew G | Reaction products of sulfur containing vicinal diols and hydrogen phosphites as lubricant and fuel additives |
| ATE134701T1 (en) * | 1990-01-05 | 1996-03-15 | Lubrizol Corp | UNIVERSAL POWER TRANSMISSION FLUID |
| JP2872540B2 (en) * | 1993-08-19 | 1999-03-17 | 新日鐵化学株式会社 | Sintered oil-impregnated bearing oil composition |
| JP2854791B2 (en) * | 1993-11-01 | 1999-02-03 | 株式会社三協精機製作所 | Lubricating oil for sintered oil-impregnated bearings |
-
1995
- 1995-08-03 JP JP19843995A patent/JP3433402B2/en not_active Expired - Lifetime
-
1996
- 1996-07-30 TW TW085109292A patent/TW403780B/en not_active IP Right Cessation
- 1996-08-01 MY MYPI96003147A patent/MY123772A/en unknown
- 1996-08-02 CN CN96109289A patent/CN1058745C/en not_active Expired - Lifetime
- 1996-08-02 KR KR1019960032337A patent/KR970010933A/en not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3935116A (en) * | 1972-02-28 | 1976-01-27 | Mcdonnell Douglas Corporation | Functional fluid compositions |
| US5059334A (en) * | 1980-12-29 | 1991-10-22 | Tribophysics Corporation | Lubricant |
| US5346637A (en) * | 1992-12-16 | 1994-09-13 | Mobil Oil Corporation | Antiwear additives |
| CN1097796A (en) * | 1993-05-25 | 1995-01-25 | 昭和砚壳石油株式会社 | Urea grease composition |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0948989A (en) | 1997-02-18 |
| KR970010933A (en) | 1997-03-27 |
| MY123772A (en) | 2006-06-30 |
| CN1147539A (en) | 1997-04-16 |
| JP3433402B2 (en) | 2003-08-04 |
| TW403780B (en) | 2000-09-01 |
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