CN105153927A - MoS2-based organic or inorganic hybrid lubricating coating with atomic oxygen resistance as well as preparation method - Google Patents
MoS2-based organic or inorganic hybrid lubricating coating with atomic oxygen resistance as well as preparation method Download PDFInfo
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- CN105153927A CN105153927A CN201510509503.6A CN201510509503A CN105153927A CN 105153927 A CN105153927 A CN 105153927A CN 201510509503 A CN201510509503 A CN 201510509503A CN 105153927 A CN105153927 A CN 105153927A
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Abstract
The invention provides a MoS2-based organic or inorganic hybrid lubricating coating with atomic oxygen resistance as well as a preparation method of the organic or inorganic hybrid lubricating coating. The MoS2-based organic or inorganic hybrid lubricating coating with atomic oxygen resistance comprises components including an adhesive, a solid lubricant, an antioxidant modifier, a dispersing agent, a mixed solvent and modified silica sol. The MoS2-based organic or inorganic hybrid lubricating coating with atomic oxygen resistance can solve the problem that an adhesive and a lubricant of a PAI (polyamide-imide) bonding MoS2 solid lubricating coating for space are prone to atomic oxidation and is particularly suitable for surface lubrication and cold welding resisting processing of friction pairs such as gears, screw-nuts, shaft-shaft sleeves, slides and the like of movable parts of an aircraft in a spatial low-orbit environment.
Description
Technical field
The invention belongs to technical field of lubricant preparation, particularly relate to a kind of molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating and preparation method thereof.
Background technology
Adopt the bonding MoS of organic adhesion agent
2solid lubricant coating is due to the over-all properties of its excellence, as vacuum lubricity, supporting capacity, shock resistance and the non-corrosibility etc. to ground, the inorganic bond solid lubricant coating that, non-corrosibility crisp compared to matter is poor, effectively can solve protection against corrosion and the wear-resistant protection question during one's term of military service in-orbit of space vehicle movable part ground storage period.
Along with the proposition of a new generation of China space vehicle development task, the follow-up erosion action being arranged in movable part that the low rail environment in space is on active service and needing to stand the space atomic oxygen of high dosage.Organic adhesive MoS
2tackiness agent in solid lubricant coating and lubricant are easily oxidized by atomic oxygen, and Sun Xiaojun etc. find that tackiness agent (as polyimide) cementing solid lubricant is (as MoS
2solid lubricant coating) standing 4 × 10
23atom/m
2after the atomic oxygen erosion of total dose, tackiness agent (as polyimide) forms volatile gases, solid lubricant (as lubricant molybdenumdisulphide is converted into molybdic oxide) loses oilness, and cause coating to reduce by 30% friction durability, sticking power significantly reduces.Because in slip coating, the change of two kinds of main ingredient structures and combined form causes slip coating performance acutely to degenerate, be difficult to be used to the low rail environment in space.
Summary of the invention
For solving the problem, the invention provides a kind of molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating and preparation method thereof, overcoming space polyamidoimide and to bond MoS
2the tackiness agent of solid lubricant coating and lubricant are easily by problem that atomic oxygen is oxidized.
The molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating of the present invention, its component is made up of tackiness agent, solid lubricant, anti-oxidant properties-correcting agent, dispersion agent, mixed solvent and modified silicasol.
Further, in the oeverall quality of filling a prescription in the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating for 100%, wherein tackiness agent 30% ~ 40%, solid lubricant 10% ~ 30%, modified silicasol 30% ~ 40%, anti-oxidant properties-correcting agent 1% ~ 7%, dispersion agent 0.05% ~ 1%, mixed solvent 8.85% ~ 12.95%.
Further, described tackiness agent is polyamide-imide resin, and the amount of solid content of polyamidoimide in polyamide-imide resin is 18% ~ 22%, the viscosity characteristics measuring this tackiness agent according to dope viscosity assay method is: at 25 DEG C, in painting-4 glasss, the elution time is 60s ~ 80s.
Further, described solid lubricant is molybdenumdisulphide, and its median size is below 5 μm.
Further, described anti-oxidant properties-correcting agent is antimonous oxide, and its median size is below 5 μm.
Further, described dispersion agent is the wetting dispersing agent DISPERBYK-163 that German Bi Ke company becomes to produce.
Further, the component of described mixed solvent is dimethylbenzene, 2-butanone and N,N-dimethylacetamide, is 1:1:3 mixing composition in mass ratio.
Further, modified silicasol is made by following preparation method:
Step a, be that 9:1 ~ 7:3 mixes according to tetraethoxy and the mol ratio of Υ-glycidyl ether oxygen propyl trimethoxy silicane, mixing solutions is as presoma;
Step b, carries out dilution by the N,N-dimethylacetamide of presoma 9 times of quality to presoma and obtains precursor solution;
Step c, precursor solution under mechanical stirring, after the aqueous hydrochloric acid of pH=3 is dropped to precursor solution, is heated to 50 ~ 60 DEG C, continuously stirring 20-30h at 50 ~ 60 DEG C, and wherein aqueous hydrochloric acid and presoma mass ratio are 1:6.
The preparation method of the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating of the present invention comprises the following steps:
Step 1, by 60% of mixed solvent total mass, after dispersion agent and modified silicasol mix, adds solid lubricant and anti-oxidant properties-correcting agent, adds 40% of mixed solvent total mass after stirring, obtain coating mixing solutions;
Step 2, adds tackiness agent after utilizing zirconium oxide bead to carry out Ball milling to coating mixing solutions, after continuing Ball milling, filters zirconium oxide bead, obtains molybdenum-disulfide radical organic or inorganic hydridization slip coating.
Further, the molybdenum-disulfide radical organic or inorganic hydridization slip coating of preparation is carried out film in metal substrate surface, and carry out 60 DEG C of baking 30min successively, 110 DEG C of baking 30min, 180 DEG C of baking 30min, 300 DEG C of baking 1h, obtain the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating.
Beneficial effect:
In filmogen of the present invention, on the one hand modified silicasol is by being coated on the surface of molybdenum disulfide lubricant with the physisorption of dispersion agent, lubricant; With the epoxide group of modified silicasol and can there is chemical reaction in the carboxyl on the other hand in tackiness agent polyamidoimide, form hybrid systems.During film-forming, organic silicon sol forms SiOx structure.When coating is subject to action of atomic oxygen, SiOx changes SiO into
2, effectively can intercept the oxygenizement of atomic oxygen to lower floor's tackiness agent and molybdenum disulfide lubricant, thus promote the resistance to atomic oxygen performance of slip coating.Molybdenum-disulfide radical organic or inorganic hydridization slip coating has low-down vacuum frictional coefficient, abrasion resistance properties and supporting capacity after solidification, has good non-corrosibility and resistance to atomic oxygen performance concurrently simultaneously.SiOx structure has the effect strengthening tackiness agent by Intermolecular Forces and chemical bonding effect, just can improve the wear resistance of coating after the performance enhancement of tackiness agent.
The present invention is particularly suitable for aircraft movable part in the low rail environment in space, as the anti-cold welding process of surface lubrication of gear, guilde screw, axle-friction pair such as axle sleeve and slideway.
Embodiment
Embodiment 1:
A kind of molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating in the oeverall quality of filling a prescription in the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating for 100%, wherein tackiness agent 30%, solid lubricant 10%, modified silicasol 40%, anti-oxidant properties-correcting agent 7%, dispersion agent 0.05%, mixed solvent 12.95%.Wherein, tackiness agent is polyamide-imide resin, and the amount of solid content of polyamidoimide in polyamide-imide resin is 18%, and the viscosity characteristics measuring this tackiness agent according to dope viscosity assay method is: at 25 DEG C, in painting-4 glasss, the elution time is 60s.The component of mixed solvent is dimethylbenzene, 2-butanone and N,N-dimethylacetamide, is 1:1:3 mixing composition in mass ratio.Solid lubricant is molybdenumdisulphide, and its median size is below 5 μm.Anti-oxidant properties-correcting agent is antimonous oxide, and its median size is below 5 μm.Dispersion agent is BYK-163, and this BYK-163 is that the wetting dispersing agent trade mark that German Bi Ke company becomes to produce is called for short, and full name is DISPERBYK-163.
The preparation method of the modified silicasol of the present embodiment is: step a, and be that 9:1 mixes according to tetraethoxy and the mol ratio of Υ-glycidyl ether oxygen propyl trimethoxy silicane, mixing solutions is as presoma; Step b, carries out dilution by the N,N-dimethylacetamide of presoma 9 times of quality to presoma and obtains precursor solution; Step c, precursor solution under mechanical stirring, after the aqueous hydrochloric acid of pH=3 is dropped to precursor solution, is heated to 60 DEG C, continuously stirring 30h at 60 DEG C, and wherein aqueous hydrochloric acid and presoma mass ratio are 1:6.
The preparation method of the molybdenum-disulfide radical of the resistance to atomic oxygen organic or inorganic hydridization slip coating of the present embodiment comprises the following steps: step 1, by 60% of mixed solvent total mass, after dispersion agent and modified silicasol mix, add solid lubricant and anti-oxidant properties-correcting agent, add 40% of mixed solvent total mass after stirring, obtain coating mixing solutions; Step 2, adds tackiness agent after utilizing zirconium oxide bead to carry out Ball milling to coating mixing solutions, after continuing Ball milling, filters zirconium oxide bead, obtains molybdenum-disulfide radical organic or inorganic hydridization slip coating.Wherein, molybdenum-disulfide radical organic or inorganic hydridization slip coating carries out film in metal substrate surface, and carries out 60 DEG C of baking 30min successively, 110 DEG C of baking 30min, 180 DEG C of baking 30min, 300 DEG C of baking 1h, obtain the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating.
The present embodiment gets two the identical molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coatings, and one is directly carried out drawing the test of circle method according to GB/T1720-1979, and recording coating adhesion is 1 grade, and another is first through 5 × 10
23atom/m
2the atomic oxygen erosion of total dose, then carry out drawing the test of circle method according to GB/T1720-1979, recording coating adhesion is 1 grade.Get two the identical molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coatings equally, one is directly carried out vacuum sphere dish rub(bing)test (mating plate selection G10 level Φ 8mm9Cr18 steel ball (HRC>=58) that load is 5N, during test, ball maintains static, dish does one direction and rotates, rotating speed 0.6m/min) average vacuum frictional coefficient is 0.04, vacuum friction durability is 6.6 × 10
5r; Another is first through 5 × 10
23atom/m
2the atomic oxygen erosion of total dose, carry out vacuum sphere dish rub(bing)test (mating plate selection G10 level Φ 8mm9Cr18 steel ball (HRC>=58) that load is 5N again, during test, ball maintains static, dish does one direction and rotates, rotating speed 0.6m/min) average vacuum frictional coefficient is 0.04, vacuum friction durability is 6.2 × 10
5r.
Embodiment 2:
A kind of molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating in the oeverall quality of filling a prescription in the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating for 100%, wherein tackiness agent 30%, solid lubricant 30%, modified silicasol 30%, anti-oxidant properties-correcting agent 1%, dispersion agent 0.15%, mixed solvent 8.85%.Wherein, tackiness agent is polyamide-imide resin, and the amount of solid content of polyamidoimide in polyamide-imide resin is 22%, and the viscosity characteristics measuring this tackiness agent according to dope viscosity assay method is: at 25 DEG C, in painting-4 glasss, the elution time is 80s.The component of mixed solvent is dimethylbenzene, 2-butanone and N,N-dimethylacetamide, is 1:1:3 mixing composition in mass ratio.Solid lubricant is molybdenumdisulphide, and its median size is below 5 μm.Anti-oxidant properties-correcting agent is antimonous oxide, and its median size is below 5 μm.Dispersion agent is BYK-163, and this BYK-163 is that the wetting dispersing agent trade mark that German Bi Ke company becomes to produce is called for short, and full name is DISPERBYK-163.
The preparation method of the modified silicasol of the present embodiment is: step a, and be that 7:3 mixes according to tetraethoxy and the mol ratio of Υ-glycidyl ether oxygen propyl trimethoxy silicane, mixing solutions is as presoma; Step b, carries out dilution by the N,N-dimethylacetamide of presoma 9 times of quality to presoma and obtains precursor solution; Step c, precursor solution under mechanical stirring, after the aqueous hydrochloric acid of pH=3 is dropped to precursor solution, is heated to 50 DEG C, continuously stirring 20h at 50 DEG C, and wherein aqueous hydrochloric acid and presoma mass ratio are 1:6.
The preparation method of the molybdenum-disulfide radical of the resistance to atomic oxygen organic or inorganic hydridization slip coating of the present embodiment comprises the following steps: step 1, by 60% of mixed solvent total mass, after dispersion agent and modified silicasol mix, add solid lubricant and anti-oxidant properties-correcting agent, add 40% of mixed solvent total mass after stirring, obtain coating mixing solutions; Step 2, adds tackiness agent after utilizing zirconium oxide bead to carry out Ball milling to coating mixing solutions, after continuing Ball milling, filters zirconium oxide bead, obtains molybdenum-disulfide radical organic or inorganic hydridization slip coating.Wherein, molybdenum-disulfide radical organic or inorganic hydridization slip coating carries out film in metal substrate surface, and carries out 60 DEG C of baking 30min successively, 110 DEG C of baking 30min, 180 DEG C of baking 30min, 300 DEG C of baking 1h, obtain the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating.
The present embodiment gets two the identical molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coatings, and one is directly carried out drawing the test of circle method according to GB/T1720-1979, and recording coating adhesion is 1 grade, and another is first through 5 × 10
23atom/m
2the atomic oxygen erosion of total dose, then carry out drawing the test of circle method according to GB/T1720-1979, recording coating adhesion is 1 grade.Get two the identical molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coatings equally, one is directly carried out vacuum sphere dish rub(bing)test (mating plate selection G10 level Φ 8mm9Cr18 steel ball (HRC>=58) that load is 5N, during test, ball maintains static, dish does one direction and rotates, rotating speed 0.6m/min) average vacuum frictional coefficient is 0.04, vacuum friction durability is 5.9 × 10 at atomic oxygen erosion
5r; Another is first through 5 × 10
23atom/m
2the atomic oxygen erosion of total dose, carry out vacuum sphere dish rub(bing)test (mating plate selection G10 level Φ 8mm9Cr18 steel ball (HRC>=58) that load is 5N again, during test, ball maintains static, dish does one direction and rotates, rotating speed 0.6m/min) average vacuum frictional coefficient is 0.04, vacuum friction durability is 5.7 × 10
5r.
Embodiment 3:
A kind of molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating in the oeverall quality of filling a prescription in the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating for 100%, wherein tackiness agent 40%, solid lubricant 20%, modified silicasol 30%, anti-oxidant properties-correcting agent 1%, dispersion agent 0.1%, mixed solvent 8.9%.Wherein, tackiness agent is polyamide-imide resin, and the amount of solid content of polyamidoimide in polyamide-imide resin is 22%, and the viscosity characteristics measuring this tackiness agent according to dope viscosity assay method is: at 25 DEG C, in painting-4 glasss, the elution time is 80s.The component of mixed solvent is dimethylbenzene, 2-butanone and N,N-dimethylacetamide, is 1:1:3 mixing composition in mass ratio.Solid lubricant is molybdenumdisulphide, and its median size is below 5 μm.Anti-oxidant properties-correcting agent is antimonous oxide, and its median size is below 5 μm.Dispersion agent is BYK-163, and this BYK-163 is that the wetting dispersing agent trade mark that German Bi Ke company becomes to produce is called for short, and full name is DISPERBYK-163.
The preparation method of the modified silicasol of the present embodiment is: step a, and be that 7:3 mixes according to tetraethoxy and the mol ratio of Υ-glycidyl ether oxygen propyl trimethoxy silicane, mixing solutions is as presoma; Step b, carries out dilution by the N,N-dimethylacetamide of presoma 9 times of quality to presoma and obtains precursor solution; Step c, precursor solution under mechanical stirring, after the aqueous hydrochloric acid of pH=3 is dropped to precursor solution, is heated to 50 DEG C, continuously stirring 20h at 50 DEG C, and wherein aqueous hydrochloric acid and presoma mass ratio are 1:6.
The preparation method of the molybdenum-disulfide radical of the resistance to atomic oxygen organic or inorganic hydridization slip coating of the present embodiment comprises the following steps: step 1, by 60% of mixed solvent total mass, after dispersion agent and modified silicasol mix, add solid lubricant and anti-oxidant properties-correcting agent, add 40% of mixed solvent total mass after stirring, obtain coating mixing solutions; Step 2, adds tackiness agent after utilizing zirconium oxide bead to carry out Ball milling to coating mixing solutions, after continuing Ball milling, filters zirconium oxide bead, obtains molybdenum-disulfide radical organic or inorganic hydridization slip coating.Wherein, molybdenum-disulfide radical organic or inorganic hydridization slip coating carries out film in metal substrate surface, and carries out 60 DEG C of baking 30min successively, 110 DEG C of baking 30min, 180 DEG C of baking 30min, 300 DEG C of baking 1h, obtain the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating.
The present embodiment gets two the identical molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coatings, and one is directly carried out drawing the test of circle method according to GB/T1720-1979, and recording coating adhesion is 2 grades, and another is first through 5 × 10
23atom/m
2the atomic oxygen erosion of total dose, then carry out drawing the test of circle method according to GB/T1720-1979, recording coating adhesion is 2 grades.Get two the identical molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coatings equally, one is directly carried out vacuum sphere dish rub(bing)test (mating plate selection G10 level Φ 8mm9Cr18 steel ball (HRC>=58) that load is 5N, during test, ball maintains static, dish does one direction and rotates, rotating speed 0.6m/min) average vacuum frictional coefficient is 0.03, vacuum friction durability is 7.2 × 10 at atomic oxygen erosion
4r; Another is first through 5 × 10
23atom/m
2the atomic oxygen erosion of total dose, carry out vacuum sphere dish rub(bing)test (mating plate selection G10 level Φ 8mm9Cr18 steel ball (HRC>=58) that load is 5N again, during test, ball maintains static, dish does one direction and rotates, rotating speed 0.6m/min) average vacuum frictional coefficient is 0.03, vacuum friction durability is 6.7 × 10
4r.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (10)
1. the molybdenum-disulfide radical of a resistance to atomic oxygen organic or inorganic hydridization slip coating, is characterized in that, its component is made up of tackiness agent, solid lubricant, anti-oxidant properties-correcting agent, dispersion agent, mixed solvent and modified silicasol.
2. the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating as claimed in claim 1, it is characterized in that, in the oeverall quality of filling a prescription in the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating for 100%, wherein tackiness agent 30% ~ 40%, solid lubricant 10% ~ 30%, modified silicasol 30% ~ 40%, anti-oxidant properties-correcting agent 1% ~ 7%, dispersion agent 0.05% ~ 1%, mixed solvent 8.85% ~ 12.95%.
3. the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating as claimed in claim 1, it is characterized in that, described tackiness agent is polyamide-imide resin, and the amount of solid content of polyamidoimide in polyamide-imide resin is 18% ~ 22%, the viscosity characteristics measuring this tackiness agent according to dope viscosity assay method is: at 25 DEG C, in painting-4 glasss, the elution time is 60s ~ 80s.
4. the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating as claimed in claim 1, it is characterized in that, described solid lubricant is molybdenumdisulphide, and its median size is below 5 μm.
5. the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating as claimed in claim 1, it is characterized in that, described anti-oxidant properties-correcting agent is antimonous oxide, and its median size is below 5 μm.
6. the molybdenum-disulfide radical of resistance to atomic oxygen hybrid slip coating as claimed in claim 1, is characterized in that, described dispersion agent is the wetting dispersing agent DISPERBYK-163 that German Bi Ke company becomes to produce.
7. the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating as claimed in claim 1, is characterized in that, the component of described mixed solvent is dimethylbenzene, 2-butanone and N,N-dimethylacetamide, is 1:1:3 mixing composition in mass ratio.
8. the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating as claimed in claim 1, is characterized in that, make modified silicasol by following preparation method:
Step a, be that 9:1 ~ 7:3 mixes according to tetraethoxy and the mol ratio of Υ-glycidyl ether oxygen propyl trimethoxy silicane, mixing solutions is as presoma;
Step b, carries out dilution by the N,N-dimethylacetamide of presoma 9 times of quality to presoma and obtains precursor solution;
Step c, precursor solution under mechanical stirring, after the aqueous hydrochloric acid of pH=3 is dropped to precursor solution, is heated to 50 ~ 60 DEG C, continuously stirring 20-30h at 50 ~ 60 DEG C, and wherein aqueous hydrochloric acid and presoma mass ratio are 1:6.
9. a preparation method for the molybdenum-disulfide radical of the resistance to atomic oxygen organic or inorganic hydridization slip coating as described in claim as arbitrary in claim 1 ~ 8, is characterized in that, comprise the following steps:
Step 1, by 60% of mixed solvent total mass, after dispersion agent and modified silicasol mix, adds solid lubricant and anti-oxidant properties-correcting agent, adds 40% of mixed solvent total mass after stirring, obtain coating mixing solutions;
Step 2, adds tackiness agent after utilizing zirconium oxide bead to carry out Ball milling to coating mixing solutions, after continuing Ball milling, filters zirconium oxide bead, obtains molybdenum-disulfide radical organic or inorganic hydridization slip coating.
10. the preparation method of the molybdenum-disulfide radical of a resistance to atomic oxygen organic or inorganic hydridization slip coating, it is characterized in that, molybdenum-disulfide radical organic or inorganic hydridization slip coating as claimed in claim 9 is carried out film in metal substrate surface, and carry out 60 DEG C of baking 30min successively, 110 DEG C of baking 30min, 180 DEG C of baking 30min, 300 DEG C of baking 1h, obtain the molybdenum-disulfide radical of resistance to atomic oxygen organic or inorganic hydridization slip coating.
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| CN105750483A (en) * | 2016-04-27 | 2016-07-13 | 霍邱县鑫瑞金属制品有限责任公司 | Antioxidant water-based lost foam casting coating for magnesium alloy casting and preparation method thereof |
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| CN116284831B (en) * | 2023-04-07 | 2024-09-13 | 兰州空间技术物理研究所 | Hyperbranched polysiloxane modified molybdenum disulfide powder, preparation method and application thereof |
| CN116656159A (en) * | 2023-05-24 | 2023-08-29 | 兰州空间技术物理研究所 | Lubricating coating, lubricating coating and preparation method and application thereof |
| CN116814155A (en) * | 2023-08-02 | 2023-09-29 | 沈阳市航达科技有限责任公司 | High-performance alloy wire hot pier processing lubricating coating and preparation method thereof |
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| CN105153927B (en) | 2017-11-21 |
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Inventor after: Zhou Hui Inventor after: Huo Lixia Inventor after: Sang Ruipeng Inventor after: Zhang Kaifeng Inventor after: Gou Shining Inventor after: Jiang Zhao Inventor before: Huo Lixia Inventor before: Zhou Hui Inventor before: Sang Ruipeng Inventor before: Zhang Kaifeng Inventor before: Gou Shining Inventor before: Jiang Zhao |