CN115678644A - Metal wear repair composition - Google Patents
Metal wear repair composition Download PDFInfo
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- CN115678644A CN115678644A CN202210897149.9A CN202210897149A CN115678644A CN 115678644 A CN115678644 A CN 115678644A CN 202210897149 A CN202210897149 A CN 202210897149A CN 115678644 A CN115678644 A CN 115678644A
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- mineral powder
- remediation composition
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 title claims abstract description 36
- 239000000843 powder Substances 0.000 claims abstract description 25
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 24
- 239000011707 mineral Substances 0.000 claims abstract description 24
- 239000002199 base oil Substances 0.000 claims abstract description 23
- 239000004200 microcrystalline wax Substances 0.000 claims abstract description 20
- 235000019808 microcrystalline wax Nutrition 0.000 claims abstract description 20
- 239000003495 polar organic solvent Substances 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 238000005067 remediation Methods 0.000 claims description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 15
- 239000003607 modifier Substances 0.000 claims description 12
- 239000003921 oil Substances 0.000 claims description 11
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- 229910000500 β-quartz Inorganic materials 0.000 claims description 8
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 6
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 6
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 6
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000005642 Oleic acid Substances 0.000 claims description 6
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 6
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 6
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000003350 kerosene Substances 0.000 claims description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 5
- 239000002210 silicon-based material Substances 0.000 claims description 5
- 239000008096 xylene Substances 0.000 claims description 5
- 239000003208 petroleum Substances 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 229920000136 polysorbate Polymers 0.000 claims description 3
- 229940068965 polysorbates Drugs 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical class OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 claims description 2
- 238000005238 degreasing Methods 0.000 claims description 2
- 150000004760 silicates Chemical class 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical class [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims 1
- 229910021494 β-cristobalite Inorganic materials 0.000 claims 1
- 229910021492 β-tridymite Inorganic materials 0.000 claims 1
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 230000009347 mechanical transmission Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 6
- 239000003960 organic solvent Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 5
- 239000011812 mixed powder Substances 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229920001213 Polysorbate 20 Polymers 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- 239000010705 motor oil Substances 0.000 description 3
- 238000010587 phase diagram Methods 0.000 description 3
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 3
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 3
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 3
- 229920000053 polysorbate 80 Polymers 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 description 2
- LWZFANDGMFTDAV-BURFUSLBSA-N [(2r)-2-[(2r,3r,4s)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O LWZFANDGMFTDAV-BURFUSLBSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
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- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000011067 sorbitan monolaureate Nutrition 0.000 description 2
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 description 1
- XZIIFPSPUDAGJM-UHFFFAOYSA-N 6-chloro-2-n,2-n-diethylpyrimidine-2,4-diamine Chemical compound CCN(CC)C1=NC(N)=CC(Cl)=N1 XZIIFPSPUDAGJM-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910021518 metal oxyhydroxide Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052615 phyllosilicate Inorganic materials 0.000 description 1
- 239000000244 polyoxyethylene sorbitan monooleate Substances 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 229940035044 sorbitan monolaurate Drugs 0.000 description 1
- 235000011069 sorbitan monooleate Nutrition 0.000 description 1
- 239000001593 sorbitan monooleate Substances 0.000 description 1
- 229940035049 sorbitan monooleate Drugs 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
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Abstract
A metal wear repairing composition comprises mineral powder, base oil, non-polar organic solvent and microcrystalline wax. The metal wear repairing composition can provide good lubrication anti-wear and in-situ repairing effects, and can be suitable for various different types of mechanical transmission parts.
Description
Technical Field
The invention relates to a metal abrasion repairing composition, in particular to a metal abrasion repairing composition containing mineral powder, base oil, a non-polar organic solvent and microcrystalline wax.
Background
The medium materials of the existing lubricants with the metal abrasion repairing function are semisolid grease, liquid lubricating oil and engine oil. However, since the application range of these two products is limited by their fluidity and viscosity, it is difficult to apply these two products to different types of mechanical transmission components in different industries while providing sufficient wear resistance, wear resistance and in-situ repair.
Disclosure of Invention
The object of the present invention is to provide a metal wear-repairing composition which overcomes the above-mentioned disadvantages of the background art.
The metal abrasion repairing composition comprises mineral powder, base oil (baseoil), a non-polar organic solvent and microcrystalline wax (microcrystalline wax).
Preferably, the mineral powder comprises a silicon-containing compound. More preferably, the silicon-containing compound is selected from natural or synthetic silicates, silica or combinations thereof. For example, the fine powder of ferrimagnesian phyllosilicate or high temperature silica mineral mixture, specifically serpentine (serpentine), β -quartz, tridymite, cristobalite (cristobalite), or a combination thereof. In one embodiment of the present invention, the mineral powder is a mixture of serpentine and β -quartz. The mineral powder is helpful for increasing the functions of wear resistance, wear resistance and self-repairing of worn parts of the metal substrate friction surface of the transmission part.
The mineral powder has a particle size of 0.2-50 μm, preferably 0.5-10 μm.
The mineral powder may also contain minor amounts of other metal oxides, oxyhydroxides, or metal particulates.
Preferably, the weight proportion of the mineral powder ranges from 0.5 to 5.0wt%, based on 100wt% of the total weight of the metal wear restoration composition. In an embodiment of the present invention, the mineral powder is present in a proportion ranging from 0.5 to 1.5wt%, and also from 0.5 to 1.0wt% or from 1.0 to 1.5wt%, based on 100wt% of the total weight of the metal wear repairing composition.
Preferably, the metal wear restoration composition further comprises a surface modifier pre-mixed with the mineral powder. More preferably, the surface modifier is selected from the group consisting of oleic acid, stearic acid, stearate, sorbitan esters (desoitan ester), polysorbates (polysorbates), or combinations thereof, and may be, in particular, oleic acid, stearic acid, stearate, span 20 (Span 20, sorbitan monolaurate), span 80 (Span 80, sorbitan monooleate), tween 20 (Tween 20, polyoxyethylene sorbitan monolaurate), tween 80 (Tween 80, polyoxyethylene sorbitan monooleate), or combinations thereof. The surface modifier is helpful for effectively dispersing the mineral powder in a mixed medium (medium carrier) of the base oil, the non-polar organic solvent and the microcrystalline wax, further can avoid the increase of the acid value of the base oil, and can avoid the corrosion of metals.
Preferably, the weight ratio of the surface modifier ranges from 10 to 200 parts by weight, based on 100 parts by weight of the total weight of the mineral powder. More preferably, the surface modifier is present in a weight ratio ranging from 20 to 100 parts by weight, based on 100 parts by weight of the total mineral powder.
In the present invention, the base oil may be a crude oil refinery product such as engine oil, lubricating oil, grease, or a combination thereof. Such as but not limited to, normal temperature liquid lubricating grease with viscosity grade of VG-10 to VG-1000 or NLGI-000 to NLGI-00. In a specific embodiment of the invention, the base oil is an engine oil having a viscosity grade VG-68.
Preferably, the base oil is present in a proportion by weight ranging from 25.0 to 99.0wt%, based on 100wt% of the total weight of the metal wear remediation composition. In particular embodiments of the present invention, the base oil is present in a weight proportion ranging from 25.0 to 90.5 wt.%, and can also range from 40.0 to 90.5 wt.% or from 75.0 to 90.5 wt.%, based on the total weight of the metal wear remediation composition taken as 100 wt.%.
Preferably, the non-polar organic solvent is selected from the group consisting of petroleum ether, eco-friendly desmear oil, toluene, xylene, kerosene or combinations thereof. The non-polar organic solvent can be obtained by selecting non-polar organic matters with different boiling points in stages according to the evaporation speed at normal temperature or combining the non-polar organic matters with different boiling points in proportion, such as: petroleum ether and environment-friendly stain removing oil which belong to low boiling point/quick-drying solvents; toluene, which is a medium dry solvent; xylene and kerosene which belong to high boiling point/slow drying solvents.
Preferably, the non-polar organic solvent has an average molecular weight in the range of 75 to 240g/mol, which facilitates dissolution of the microcrystalline wax to form a premix with the microcrystalline wax.
In the present invention, the microcrystalline wax has a melting point above 70 ℃, preferably above 74 ℃, more preferably above 82 ℃.
The invention has the beneficial effects that: the metal wear repair composition of the invention can provide good lubricating wear resistance and in-situ repair efficacy, and can be suitable for various different types of mechanical transmission parts.
Drawings
Other features and effects of the present invention will become apparent from the following detailed description of the embodiments with reference to the accompanying drawings, in which:
FIG. 1 is a ternary phase diagram illustrating the composition of the media carrier of the metal wear remediation composition of the present invention; and
FIG. 2 is a ternary phase diagram illustrating the composition of the media carrier of the metal wear remediation composition of examples 1-3 of the present invention.
Detailed Description
Referring to the ternary phase diagram of FIG. 1, the composition of the media carrier of embodiments of the metal wear remediation composition of the invention can be a base oil based O-domain, a nonpolar organic solvent based S-domain, or a microcrystalline wax based W-domain. In addition, the SO area indicates that the main components of the medium carrier are the non-polar organic solvent and the base oil, and the content of the microcrystalline wax is low; the SW area shows that the main components of the medium carrier are non-polar organic solvent and microcrystalline wax, and the content of the base oil is low; the WO area shows that the main components of the medium carrier are microcrystalline wax and base oil, and the content of the nonpolar organic solvent is low; the Center region indicates that the contents of the base oil, the nonpolar organic solvent and the microcrystalline wax in the vehicle are similar to each other.
The invention will be further described in the following examples, but it should be understood that these examples are for illustrative purposes only and are not to be construed as limiting the practice of the invention.
EXAMPLE 1
The metal wear-repairing composition of example 1 was prepared by mixing microcrystalline wax (obtained from imperial chemical industries, ltd., CAS No. 63231-60-7) and a nonpolar organic solvent (a mixed solvent of toluene, xylene and kerosene) in advance, and then mixing the mixture with mineral powder (a mixed powder of serpentine and β -quartz, having a particle size of 1-10 μm, and a surface modifier of oleic acid) and base oil (Guo Guang brand special cycle oil VG-68 from oil Ltd., taiwan). The composition of the media carrier of example 1 is shown in figure 2. The metal wear remediation composition of example 1 greatly improves the ease of penetration into complex transmission components during application, and retains a wet adhesion to the surface to which it is applied, and is suitable for use in bicycle chains and transmission gear assemblies that require operation in a semi-dry and semi-wet condition after application.
EXAMPLE 2
The metal wear repairing composition of example 2 was obtained by mixing microcrystalline wax (available from imperial chemical industries, ltd., CAS No. 63231-60-7) with a nonpolar organic solvent (mixed solvent of xylene and kerosene) in advance, and then mixing the mixture with mineral powder (mixed powder of serpentine and β -quartz, particle size range 0.5-5 μm, surface modifier is 2. The composition of the media carrier of example 2 is shown in figure 2. The metal wear repairing composition of example 2 can provide the anti-wear and anti-wear capability of the contact surface of the ball and the inner and outer slideways of the bearing and reduce the friction resistance, and is suitable for hub bearing assemblies of bicycles, locomotives and sport skateboards which need to have both the sliding performance and the durability.
EXAMPLE 3
The metal wear repairing composition of example 3 was obtained by mixing microcrystalline wax (purchased from imperial chemical materials corporation, CAS No. 63231-60-7) and a nonpolar organic solvent (a mixed solvent of environmental-friendly degreasing oil, petroleum ether and toluene) in advance, and then mixing the microcrystalline wax with mineral powder (a mixed powder of serpentine and β -quartz, particle size range of 0.5-3 μm, surface modifier 1. The composition of the media carrier of example 3 is shown in figure 2. The metal wear remediation composition of example 3 allows for rapid solvent evaporation within a short period of time after application, provides abrasion resistance and reduced frictional resistance on the contact friction surfaces of a transmission, and is suitable for use in transmissions for textile or knitting mill applications where it is desirable to reduce the frequency and difficulty of down cleaning by reducing the amount of lint that adheres to the surface of the transmission when in use, which is suspended in air.
Comparative examples 1 to 3
Comparative example 1 was 100wt% base oil (national Guanpai super cycle oil VG-68, oil GmbH, taiwan).
The composition of comparative example 2 was a mixture of mineral powder (a mixed powder of serpentine and β -quartz, having a particle size ranging from 10 to 40 μm, and oleic acid as a surface modifier) and base oil (national Guanpai super cycle oil VG-68, oil GmbH, taiwan, china) according to the formulation of Table 1 below.
The composition of comparative example 3 was prepared by mixing mineral powder (a mixed powder of serpentine and β -quartz, having a particle size ranging from 1 to 10 μm, and a surface modifier of oleic acid), base oil (national Guanpai special cycle oil VG-68, produced by Zhongo oil Co., ltd., taiwan, china), polar organic solvent (absolute ethanol), and microcrystalline wax (obtained from CAS No.63231-60-7, produced by Kitiko chemical industries, ltd., japan) according to the following formulation of Table 1 according to the procedure of example 1, i.e., the microcrystalline wax was mixed with the polar organic solvent in advance, and then mixed with the mineral powder and the base oil, to obtain the composition of comparative example 3.
TABLE 1
"- -" indicates no addition.
[ Wear resistance (Wear predictive characteristics) test ]
The average wear diameters under the application of the metal wear repair compositions of examples 1 to 3 and the base oil of comparative example 1 and the compositions of comparative examples 2 to 3 were measured using a four-ball test bench (spindle speed of 1200rpm, operating temperature of 75 ℃, load of 40kg, running time of 60 min) according to ASTM D4172-20, and the results are shown in Table 2 below, respectively.
TABLE 2
The results in Table 2 show that the average wear diameter under application of the metal wear restoration compositions of examples 1-3 is significantly less than the average wear diameter under application of the base oil of comparative example 1, the compositions of comparative examples 2-3 (e.g., the reduction of example 1 is at least 12.1% relative to comparative example 1, the reduction of example 1 is at least 8.8% relative to comparative example 2, and the reduction of example 1 is at least 18.1% relative to comparative example 3), showing that the metal wear restoration compositions of examples 1-3 have relatively superior lubricating anti-wear properties.
In summary, the metal wear repairing composition of the present invention provides excellent lubrication, wear resistance and in-situ repairing effects, and is suitable for various types of mechanical transmission parts, so as to achieve the object of the present invention.
The above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and the invention is still within the scope of the present invention by simple equivalent changes and modifications made according to the claims and the contents of the specification.
Claims (9)
1. A metal wear remediation composition characterized by: the metal wear repair composition comprises:
mineral powder;
a base oil;
a non-polar organic solvent; and
microcrystalline waxes.
2. The metallic wear remediation composition of claim 1, wherein: the non-polar organic solvent is selected from petroleum ether, environment-friendly degreasing oil, toluene, xylene, kerosene or a combination thereof.
3. The metallic wear remediation composition of claim 1, wherein: the non-polar organic solvent has an average molecular weight in the range of 75 to 240g/mol.
4. The metallic wear remediation composition of claim 1, wherein: the mineral powder includes a silicon-containing compound.
5. The metallic wear remediation composition of claim 4, wherein: the silicon-containing compound is selected from natural or synthetic silicates, silica or combinations thereof.
6. The metallic wear remediation composition of claim 4, wherein: the silicon-containing compound is selected from serpentine, beta-quartz, tridymite, cristobalite, or combinations thereof.
7. The metal wear remediation composition of claim 1, wherein: the weight proportion of the mineral powder is 0.5-5.0wt% based on 100wt% of the total weight of the metal wear repairing composition.
8. The metallic wear remediation composition of claim 1, wherein: the metal wear restoration composition also includes a surface modifier pre-mixed with the mineral powder.
9. The metallic wear remediation composition of claim 8, wherein: the surface modifier is selected from the group consisting of oleic acid, stearic acid, stearates, sorbitan esters, polysorbates, and combinations thereof.
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| Application Number | Priority Date | Filing Date | Title |
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| TW110128149 | 2021-07-30 | ||
| TW110128149A TWI861427B (en) | 2021-07-30 | 2021-07-30 | Metal wear repair composition and preparation method thereof |
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| CN115678644A true CN115678644A (en) | 2023-02-03 |
| CN115678644B CN115678644B (en) | 2024-06-18 |
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| JP2009280628A (en) * | 2008-05-19 | 2009-12-03 | Sumico Lubricant Co Ltd | Liquid lubricant composition |
| CN102120943A (en) * | 2010-04-12 | 2011-07-13 | 中国地质大学（北京） | Wear repairing lubricating agent composition containing sheet silicate mineral substances and preparation method thereof |
| CN102925252A (en) * | 2011-08-10 | 2013-02-13 | 中国石油化工股份有限公司 | Gypsum mold oil composition |
| CN103484218A (en) * | 2013-08-23 | 2014-01-01 | 吴江骏达电梯部件有限公司 | Lubricating grease composition for elevator wire ropes and preparation method thereof |
| CN110229615A (en) * | 2019-06-26 | 2019-09-13 | 沈阳帕卡濑精有限总公司 | A kind of metal slit Anti-corrosion wax composition and its application |
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| Publication number | Publication date |
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| TWI861427B (en) | 2024-11-11 |
| TW202305101A (en) | 2023-02-01 |
| CN115678644B (en) | 2024-06-18 |
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