CN101696369A - High-temperature chain oil composition - Google Patents
High-temperature chain oil composition Download PDFInfo
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- CN101696369A CN101696369A CN200910236609A CN200910236609A CN101696369A CN 101696369 A CN101696369 A CN 101696369A CN 200910236609 A CN200910236609 A CN 200910236609A CN 200910236609 A CN200910236609 A CN 200910236609A CN 101696369 A CN101696369 A CN 101696369A
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- 239000000203 mixture Substances 0.000 title description 6
- 239000003921 oil Substances 0.000 claims abstract description 57
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 239000002199 base oil Substances 0.000 claims abstract description 13
- 150000002148 esters Chemical class 0.000 claims description 36
- -1 trihydroxymethylpropanyl ester Chemical class 0.000 claims description 22
- 230000003647 oxidation Effects 0.000 claims description 13
- 238000007254 oxidation reaction Methods 0.000 claims description 13
- 239000003112 inhibitor Substances 0.000 claims description 12
- 125000005591 trimellitate group Chemical group 0.000 claims description 7
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 claims description 4
- DMBHHRLKUKUOEG-UHFFFAOYSA-N N-phenyl aniline Natural products C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 125000005037 alkyl phenyl group Chemical group 0.000 claims description 3
- RUFPHBVGCFYCNW-UHFFFAOYSA-N alpha-aminonaphthalene Natural products C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 claims description 3
- 150000003568 thioethers Chemical class 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 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 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- UHZBXGWWDSZZIN-UHFFFAOYSA-N copper;4-methyl-2h-benzotriazole Chemical group [Cu].CC1=CC=CC2=NNN=C12 UHZBXGWWDSZZIN-UHFFFAOYSA-N 0.000 claims 1
- 239000010696 ester oil Substances 0.000 abstract 3
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 239000013556 antirust agent Substances 0.000 abstract 1
- 229920013639 polyalphaolefin Polymers 0.000 description 10
- 239000002253 acid Substances 0.000 description 9
- 238000009834 vaporization Methods 0.000 description 6
- 230000008016 vaporization Effects 0.000 description 6
- 229920000570 polyether Polymers 0.000 description 5
- 229920005862 polyol Polymers 0.000 description 5
- 239000002480 mineral oil Substances 0.000 description 4
- 235000010446 mineral oil Nutrition 0.000 description 4
- 239000003209 petroleum derivative Substances 0.000 description 3
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical group CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 1
- OILUAKBAMVLXGF-UHFFFAOYSA-N 3,5,5-trimethyl-hexanoic acid Chemical class OC(=O)CC(C)CC(C)(C)C OILUAKBAMVLXGF-UHFFFAOYSA-N 0.000 description 1
- 229920001817 Agar Polymers 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 239000008272 agar Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000013538 functional additive Substances 0.000 description 1
- 238000000892 gravimetry Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
The invention relates to high-temperature chain oil taking ester oil as base oil, wherein the chain oil comprises: (1) 30 to 50 percent of low-viscosity ester oil; (2) 30 to 50 percent of medium-viscosity ester oil; (3) 10 to 20 percent of polyisobutylene in specific molecular weight; and (4) 1.5 to 3.5 percent of antioxidants, 0 to 3 percent of antiwear agent and 0 to 1 percent of antirust agent. The viscosity of the high-temperature chain oil is 150 to 320 cst at 40 DEG C and is small in increasing trend at high temperature.
Description
Technical field
The present invention relates to a kind of lubricating oil, specifically, relate to a kind of composition that is applied to lubricated high temperature chain.
Technical background
Chain drive not only is suitable for using under the high pulling torque and the slow speed of revolution, and in corrodibility and wet environment, and use can both demonstrate superiority in the high speed transmission.The smooth running of chain and chain link nimbly and freely, the good lubrication effect that reduces to wear and tear and depend on the chain greasisng system, the bearing pin of chain and the normal operation that the gap between the sleeve guarantees good lubricating effect and chain will be injected regularly, quantitatively with resistant to elevated temperatures lubricating oil by the chain greasisng system.Along with developing rapidly of industries such as China's weaving, printing and dyeing, petrochemical industry, building materials and traffic, the transmission system working temperature of these equipment is more and more higher, and is also harsh day by day to the requirement of chain oils.
The high temperature service that industries such as weaving, plastics, building materials are used, chain moves under 180～260 ℃ condition usually.This moment, refined mineral oil can't satisfy service requirements, must use ucon oil to be base oil.The selected base oil of high-temperature chain oil has PAO (poly-alpha olefins), ester class oil and polyethers three major types at present.
Molecular structure and the refined mineral oil of PAO (poly-alpha olefins) are similar, belong to hydrocarbon polymer; Have than the better resistance to elevated temperatures of mineral oil, very high viscosity index and lower pour point, be fit to very much wide temperature range and use down.Synthetic to compare high-temperature behavior relatively poor but with other.U.S. Pat 5151205 reports, with PAO is base oil, add a spot of ester class oil and make solubilizing agent, polybutene with 2-4% is tackifier, the chain oils that is equipped with appropriate functional additive gained again has low vaporization losses and persistent lubricity, and under identical working conditions, but the mineral oil origin chain oils produces a large amount of cigarettes, and should in use almost smokelessly produce by prescription oil.
Compare with PAO, ester class oil has better supporting capacity.Can be divided into several types such as dibasic acid esters, polyol ester alcohol ester, multiple ester, aromatic esters again according to type of feed and molecular structure ester class oil.The viscosity temperature characteristic of dibasic acid esters oil and low-temperature performance (weighing with the pour point index) are similar with PAO, and resistance to elevated temperatures is better than PAO, and vaporization losses is very little under the hot conditions.Therefore the mixture of dibasic acid esters and PAO is used widely as complete synthesis engine oil base oil, but because dibasic acid esters oil has only low viscosity product usually, generally composite as the high-temperature chain oil base oil with other ester class oil.
The polyol ester that is used for lubricant base comprises trihydroxymethylpropanyl ester, pentaerythritol ester, bis(pentaerythritolester).Polyol ester has higher viscosity index, is generally more than 140; Than the loss of the lower high temperature evaporation of dibasic acid esters, high flash-point (greater than 300 ℃) uses low-molecular-weight fatty acid can obtain pour point less than-60 ℃ product.Polyol ester is used widely in L-HFDU anti-flame hydraulic fluid, aviation engine oil, wet goods field, high temperature grease basis.U.S. Pat 6436881 has been reported by C7,8,9,10 acid and isomery C9 acid (3,5,5 tri-methyl hexanoic acids) bis(pentaerythritolester) is done the research of the high-temperature chain oil of base oil, and compare with the performance of PAO/ ester class oil type high temperature viscosity, the result shows, dipentaerythritol type high-temperature chain oil has much better high-temperature behavior, and high-temperature coking amount and vaporization losses are little, and coking plate face also cleans very much.
Aromatic esters comprise trimellitate and pyromellitic ester, compare with dibasic acid esters and polyol ester, and viscosity index is relatively low, some product viscosity index only is about 70, but owing to contain phenyl ring in the molecule, therefore stronger oxidation stability is arranged, main in the past base oil as synthetic compressor oil.
Chinese patent 200810101780 has been reported a kind of ester type high temperature chain oil composition, wherein contain (1) 71～95% low viscosity ester class oil, (2) 0～10% high viscosity ester class oil, the polyisobutene of (3) 0～10% specified molecular weight, and (4) 1～5% oxidation inhibitor, 0～3% anti-wear agent and 0～1% rust-preventive agent.But owing to contain the high-viscosity compound ester, and this raw material all has very high acid number, causing at hot conditions lower chain oil has higher viscosity rising tendency.
Polyethers has good high temperature performance, very high viscosity index, and noncoking under high temperature, high pressure, has good lubricity, and can be easy to obtain various full-bodied polyethers as required, and polyethers is well suited for doing various lubricant bases.But because the flash-point of polyethers is relatively low, volatile quantity is bigger under the hot conditions.
Summary of the invention
According to the constructional feature of chain, small amounts product, greasy filth and carbon deposit that chain oils produces all can produce considerable influence to chain load; Because high-temperature chain oil moves under hot conditions for a long time, each magnitude of recruitment is few, and chain oils forms film in the metallic surface, causes that oil product is more volatile, drippage and oxidation.How to reduce the vaporization losses of chain oils, the viscosity that suppresses oil product increases and guarantee that the adhesivity that suits is the key of exploitation chain oils.
The present invention relates to a kind of is the high-temperature chain oil of base oil with ester class oil, comprising (1) 30～50% low viscosity ester class oil, (2) 30～50% medium viscosity ester class oil, the polyisobutene of (3) 10～20% specified molecular weight, and (4) 1.5～3.5% oxidation inhibitor, 0～3% anti-wear agent and 0～1% rust-preventive agent.40 ℃ of viscosity of the high-temperature chain oil that the present invention relates to are 150～320cst, and have viscosity rising tendency features of smaller under hot conditions.
The selected base oil of the present invention comprises ester class oil and polyisobutene two portions, and wherein ester class oil is oily and 30～50% the medium viscosity ester class oil of 30～50% low viscosity ester class; Polyisobutene is the polyisobutene of 10～20% specified molecular weight.
Low viscosity ester class oil can be one or more miscellanys in trihydroxymethylpropanyl ester, pentaerythritol ester, bis(pentaerythritolester), the trimellitate.Preferably pentaerythritol ester, trimellitate or its miscellany; 40 ℃ of viscosity of selected ester class oil are 50～100cst.Viscosity is crossed low meeting and is increased vaporization losses, the too high perviousness and the jet performance that can influence chain oils of viscosity.Medium viscosity ester class oil is pentaerythritol ester, bis(pentaerythritolester), the trimellitate that 40 ℃ of viscosity are 100～400cSt.Optimized choice viscosity is the trimellitate of 120～320cSt preferably, and viscosity is crossed the low consumption that can increase polyisobutene, causes processed oil vaporization losses to become big; The too high perviousness that can influence processed oil of viscosity.
Polyisobutene is a base oil of the present invention, also is adhesive agent of the present invention.Because polyisobutene do not produce carbon deposit under hot conditions, but the tendency of decomposition is arranged, so the molecular weight of choose reasonable polyisobutene and consumption there is very big meaning to preventing drippage.The used polyisobutene of the present invention is a low molecular polyisobutylene, and molecular-weight average is 900～3000, preferably 900～2400; Polyisobutene consumption of the present invention is 10～20%, and consumption is crossed conference and shortened at lubrication interval, and consumption is too small can to reduce adhesivity, increases the drippage tendency.
Additive therefor of the present invention comprises 1.5～3.5% oxidation inhibitor, 0～3% anti-wear agent and 0～1% rust-preventive agent.Oxidation inhibitor is the miscellany of one or both and thioether phenol in alkyl diphenylamine, phenyl alpha-naphthylamine, the alkyl phenyl alpha-naphthylamine; Optimizing consumption is 1～3%, selected kind is alkyl diphenylamine, phenyl alpha-naphthylamine, alkyl phenyl alpha-naphthylamine or alkyl diphenylamine and the mixture of phenyl alpha-naphthylamine and the mixed use of thioether phenol preferably, can effectively avoid oxidation inhibitor deposition under the hot conditions like this.
The used anti-wear agent of the present invention is phosphate amine salt salt biology or tritolyl phosphate, and rust-preventive agent is methyl benzotriazole or methyl benzotriazole derivative copper corrosion inhibitor, and above-mentioned two kinds of additive amount are balance carefully, otherwise can cause oxidation stability sharply to descend.
Embodiment
Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
The production process of product of the present invention is an example with the 100kg test products, and production process is as follows:
Be in harmonious proportion and add about 30kg low viscosity ester class oil base oil in the still, heated and stirred to 100～120 ℃, adding oxidation inhibitor insulated and stirred 30 minutes is all dissolved to oxidation inhibitor; Add medium viscosity ester class oil and polyisobutene, insulated and stirred 30 minutes is to the solution transparent and homogeneous; Add surplus low viscosity ester class oil, add other additives, stirred 1 hour, be uniformly dispersed to rust-preventive agent, anti-wear agent at 80～90 ℃.Both got finished product with the filtration of 100 order stainless steel filtering nets.
Finished product adopts following method to detect physical and chemical index: GB/T265 petroleum products kinematic viscosity assay method and kinetic viscosity computing method, GB/T2541 petroleum products viscosity index reckoner, GB/T261 petroleum products flashing test method (agar diffusion method of remaining silent), GB/T3535 petroleum sneeze-point assay method.
The high-temperature behavior of finished product adopts high bake to evaluate, and both the processed oil with specified amount toasted the specified time under 250 ℃ of conditions, and visual observations has deposit-free, and gravimetry loss and viscosity variation.
Embodiment raw material and detected result see Table one
Table one: embodiment forms and detected result
Though above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements all belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (8)
1. one kind is the high-temperature chain oil of base oil with ester class oil, comprising (1) 30～50% low viscosity ester class oil, (2) 30～50% medium viscosity ester class oil, the polyisobutene of (3) 10～20% specified molecular weight, and (4) 1.5～3.5% oxidation inhibitor, 0～3% anti-wear agent and 0～1% rust-preventive agent.
2. according to claims (1), it is characterized in that low viscosity ester class oil can be one or more miscellanys in trihydroxymethylpropanyl ester, pentaerythritol ester, bis(pentaerythritolester), the trimellitate.40 ℃ of viscosity of selected ester class oil are 50～100cst.
3. according to claims (1), it is characterized in that medium viscosity ester class oil is one or more miscellanys in pentaerythritol ester, bis(pentaerythritolester), the trimellitate, 40 ℃ of viscosity are 100～400cst.
4. according to claims (1), it is characterized in that polyisobutene is a low molecular polyisobutylene, molecular-weight average is 900～3000.
5. according to claims (1), it is characterized by additive and comprise 1.5～3.5% oxidation inhibitor, 0～3% anti-wear agent and 0～1% rust-preventive agent.
6. according to claims (5), it is characterized by oxidation inhibitor and be the miscellany of one or both and thioether phenol in alkyl diphenylamine, phenyl alpha-naphthylamine, the alkyl phenyl alpha-naphthylamine.
7. according to claims (5), it is characterized by anti-wear agent and be one or both miscellanys in phosphate amine salt or the tritolyl phosphate.
8. according to claims (5), it is characterized by rust-preventive agent is methyl benzotriazole copper corrosion inhibitor or methyl benzotriazole amine salt biology.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910236609A CN101696369A (en) | 2009-10-26 | 2009-10-26 | High-temperature chain oil composition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910236609A CN101696369A (en) | 2009-10-26 | 2009-10-26 | High-temperature chain oil composition |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417842A (en) * | 2011-10-13 | 2012-04-18 | 浙江阿克希龙舜华铝塑业有限公司 | Lubricating oil and lipstick tube middle bundle core using same |
| CN104629879A (en) * | 2015-01-28 | 2015-05-20 | 安徽祈艾特电子科技有限公司 | Special anti-rust oil for chain |
| CN105838484A (en) * | 2016-04-13 | 2016-08-10 | 禾泰特种新材料（苏州）有限公司 | High-temperature chain oil composition and preparation method thereof |
| CN106318516A (en) * | 2015-06-25 | 2017-01-11 | 北京福润联石化科技开发有限公司 | Base oil used for refrigerant oil composition, refrigerant oil composition and composition used for refrigeration |
| CN107674742A (en) * | 2017-10-09 | 2018-02-09 | 东莞市德虏克新材料科技有限公司 | A kind of thimble fire-resistant lubricants |
| CN108865360A (en) * | 2018-07-26 | 2018-11-23 | 郑州市欧普士科技有限公司 | A kind of environment-friendly type synthesizing ester high-temperature chain oil and preparation method thereof |
| CN109266422A (en) * | 2018-09-30 | 2019-01-25 | 镇江宝海船舶五金有限公司 | A kind of lubricant and preparation method thereof being applicable in marine anchor chain |
| CN110903884A (en) * | 2018-09-18 | 2020-03-24 | 上海派诺化工科技有限公司 | Long-acting low-residue high-temperature chain oil |
| CN111187649A (en) * | 2020-02-05 | 2020-05-22 | 新疆工程学院 | Trimellitate lubricating oil base oil based on block polyester chemical modification and preparation method thereof |
| CN117264686A (en) * | 2023-09-25 | 2023-12-22 | 中国石油化工股份有限公司 | Chain oil and preparation method and application thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417842B (en) * | 2011-10-13 | 2013-11-06 | 浙江阿克希龙舜华铝塑业有限公司 | Lubricating oil and lipstick tube middle beam core using same |
| CN102417842A (en) * | 2011-10-13 | 2012-04-18 | 浙江阿克希龙舜华铝塑业有限公司 | Lubricating oil and lipstick tube middle bundle core using same |
| CN104629879A (en) * | 2015-01-28 | 2015-05-20 | 安徽祈艾特电子科技有限公司 | Special anti-rust oil for chain |
| CN106318516B (en) * | 2015-06-25 | 2019-02-01 | 北京福润联石化科技开发有限公司 | Refrigerated machine oil composition base oil and refrigerated machine oil composition and composition for refrigeration |
| CN106318516A (en) * | 2015-06-25 | 2017-01-11 | 北京福润联石化科技开发有限公司 | Base oil used for refrigerant oil composition, refrigerant oil composition and composition used for refrigeration |
| CN105838484A (en) * | 2016-04-13 | 2016-08-10 | 禾泰特种新材料（苏州）有限公司 | High-temperature chain oil composition and preparation method thereof |
| CN107674742A (en) * | 2017-10-09 | 2018-02-09 | 东莞市德虏克新材料科技有限公司 | A kind of thimble fire-resistant lubricants |
| CN108865360A (en) * | 2018-07-26 | 2018-11-23 | 郑州市欧普士科技有限公司 | A kind of environment-friendly type synthesizing ester high-temperature chain oil and preparation method thereof |
| CN110903884A (en) * | 2018-09-18 | 2020-03-24 | 上海派诺化工科技有限公司 | Long-acting low-residue high-temperature chain oil |
| CN109266422A (en) * | 2018-09-30 | 2019-01-25 | 镇江宝海船舶五金有限公司 | A kind of lubricant and preparation method thereof being applicable in marine anchor chain |
| CN111187649A (en) * | 2020-02-05 | 2020-05-22 | 新疆工程学院 | Trimellitate lubricating oil base oil based on block polyester chemical modification and preparation method thereof |
| CN111187649B (en) * | 2020-02-05 | 2022-01-28 | 新疆工程学院 | Trimellitate lubricating oil base oil based on block polyester chemical modification and preparation method thereof |
| CN117264686A (en) * | 2023-09-25 | 2023-12-22 | 中国石油化工股份有限公司 | Chain oil and preparation method and application thereof |
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Application publication date: 20100421 |