CN114891413A - Self-lubricating wear-resistant coating - Google Patents
Self-lubricating wear-resistant coating Download PDFInfo
- Publication number
- CN114891413A CN114891413A CN202210252907.1A CN202210252907A CN114891413A CN 114891413 A CN114891413 A CN 114891413A CN 202210252907 A CN202210252907 A CN 202210252907A CN 114891413 A CN114891413 A CN 114891413A
- Authority
- CN
- China
- Prior art keywords
- coating
- powder
- metal
- tin
- zinc
- 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.)
- Granted
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 254
- 239000011248 coating agent Substances 0.000 title claims abstract description 252
- 229910052751 metal Inorganic materials 0.000 claims abstract description 99
- 239000002184 metal Substances 0.000 claims abstract description 99
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 59
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 58
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 55
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052718 tin Inorganic materials 0.000 claims abstract description 42
- 239000011135 tin Substances 0.000 claims abstract description 40
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 35
- 239000011701 zinc Substances 0.000 claims abstract description 35
- 229910052709 silver Inorganic materials 0.000 claims abstract description 33
- 239000004332 silver Substances 0.000 claims abstract description 33
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 29
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 29
- 229920000180 alkyd Polymers 0.000 claims abstract description 25
- 239000003822 epoxy resin Substances 0.000 claims abstract description 21
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 21
- 239000002270 dispersing agent Substances 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 238000002360 preparation method Methods 0.000 claims abstract description 13
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 150000004985 diamines Chemical class 0.000 claims abstract description 10
- 229960001124 trientine Drugs 0.000 claims abstract description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 78
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 64
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 54
- 238000010438 heat treatment Methods 0.000 claims description 41
- 238000001723 curing Methods 0.000 claims description 38
- 239000000843 powder Substances 0.000 claims description 38
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 36
- 239000005639 Lauric acid Substances 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 32
- 238000002156 mixing Methods 0.000 claims description 31
- 238000003466 welding Methods 0.000 claims description 30
- 238000000498 ball milling Methods 0.000 claims description 28
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 24
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 24
- 239000004359 castor oil Substances 0.000 claims description 21
- 235000019438 castor oil Nutrition 0.000 claims description 21
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 11
- 239000003513 alkali Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 10
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 9
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims description 9
- 150000008301 phosphite esters Chemical class 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 33
- 239000010410 layer Substances 0.000 description 16
- 239000011247 coating layer Substances 0.000 description 14
- 239000000314 lubricant Substances 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010009866 Cold sweat Diseases 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/48—Stabilisers against degradation by oxygen, light or heat
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention discloses a self-lubricating wear-resistant coating and a preparation process thereof, and the self-lubricating wear-resistant coating comprises an aluminum alloy substrate and a coating, wherein the coating comprises an organic coating and a metal coating, a layer of the metal coating is coated on the aluminum alloy substrate, a layer of the organic coating is coated on the metal coating, the organic coating comprises a main coating and a curing agent, the main coating comprises epoxy resin, alkyd resin, a pH regulator, a dispersant and an antioxidant, the metal coating comprises silver, zinc and tin, and the curing agent is trimethyl diamine, triethylene tetramine and p-toluenesulfonic acid. The composite coating is prepared by matching the metal coating and the organic coating, so that the performances of all aspects of the aluminum alloy substrate can be improved, silver, tin and zinc are matched in a certain proportion, the wear resistance of the coating is greatly improved by changing the process to a certain degree, and certain self-lubricating capacity is not realized.
Description
Technical Field
The invention relates to the technical field of aluminum alloy coatings, in particular to a self-lubricating wear-resistant coating.
Background
The aluminum alloy is prepared by adding a proper amount of other metals into aluminum serving as a main raw material, is a common light metal material, and has wide application in aerospace, marine industries, chemical industries and metal packaging industries due to low density, strong mechanical properties and good conductivity and corrosion resistance.
The functions of the coating are different according to the used coating materials, the coatings are classified according to the functions and can be generally divided into wear-resistant, anti-aging, anti-corrosion functions and the like, a single aluminum alloy is used as a substrate, in order to increase the lubricating property of the coating, a large amount of solid lubricant is often required to be added, the main component of the solid lubricant is the mixture of multiple soft metals, and the solid lubricant is sprayed, but the coating obtained by spraying through the traditional process can crack under the condition of long-time use, so that the metal coating is caused to fall off, and therefore the self-lubricating wear-resistant coating and the preparation process thereof are particularly important.
Disclosure of Invention
The invention aims to provide a self-lubricating wear-resistant coating and a preparation process thereof, which aim to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the self-lubricating wear-resistant coating comprises an aluminum alloy substrate and a coating, wherein the coating comprises an organic coating and a metal coating, a layer of the metal coating is coated on the aluminum alloy substrate, a layer of the organic coating is coated on the metal coating, the organic coating comprises a main coating and a curing agent, the main coating comprises the following raw materials, by weight, 20-25 parts of epoxy resin, 5-7 parts of alkyd resin, 0.2-0.3 part of pH regulator, 0.2-0.3 part of dispersant and 0.1-0.3 part of antioxidant, the metal coating comprises silver, zinc and tin, and the curing agent is trimethyl diamine, triethylene tetramine and p-toluenesulfonic acid.
Further, the antioxidant is a mixture of 2, 6-di-tert-butyl-p-cresol and phosphite ester.
Further, the alkyd resin is prepared from lauric acid, castor oil, trimethylolpropane and glycerol.
Further, the pH regulator is hydrochloric acid.
Furthermore, the mass ratio of silver, zinc and tin in the metal coating is 3-3.5:1: 1.
A preparation method of a self-lubricating wear-resistant coating comprises the following steps,
(1) crushing metal silver, tin and zinc to obtain silver powder, tin powder and zinc powder, mixing and ball-milling the obtained tin and silver powder, performing cold welding to obtain composite cold welding powder, ball-milling the composite cold welding powder, adding the zinc powder, and performing ball milling to obtain a metal coating;
(2) mixing trimethylolpropane and lauric acid, adding glycerol and dimethylbenzene, uniformly stirring, introducing protective gas, heating, adding phthalic anhydride and p-toluenesulfonic acid, heating, cooling after the reaction is finished, continuously adding dimethylbenzene, adding castor oil, continuously cooling, and adding alkali liquor to adjust the pH value to obtain a mixture A;
(3) heating the epoxy resin, adding the mixture A, the antioxidant and the dispersant, stirring uniformly, adding a pH regulator, and regulating the pH to obtain a main coating;
(4) mixing the main coating and a curing agent to obtain an organic coating;
(5) spraying the metal coating on the surface of the aluminum alloy substrate, coating the organic coating on the upper surface of the metal coating, and heating and curing to obtain the wear-resistant coating.
Further, the concrete steps are as follows,
(1) crushing metal silver, tin and zinc to obtain silver powder, tin powder and zinc powder, mixing and ball-milling the obtained tin and silver powder, performing cold welding to obtain composite cold welding powder, ball-milling the composite cold welding powder for 24-25h, adding the zinc powder, and performing ball-milling for 7-8h to obtain the metal coating;
the method uses silver, tin and zinc to be matched and used according to a certain proportion, the silver metal foundation is soft and serves as a lubricant, the lubricant can be used in the environment with low temperature, vacuum and strong radiation, the weight is light, the maintenance cost is relatively low, the lubricant has wide application and has low friction resistance.
According to the method, zinc powder with specified quality is added into cold sweat powder subjected to ball milling for 24-25h, so that the lubricating property of the metal coating is improved, the ball milling time is limited to 7-8h, the ratio of the weight of the balls to the weight of the powder is 13-15:1, the mixing degree of cold welding powder and the zinc powder is further ensured, the dispersion degree of silver is further ensured, a silver powder enrichment area is further formed in a metal coating on the surface of an aluminum alloy substrate, the distribution of the silver powder in the enrichment area is more uniform, cracks can be effectively inhibited, the wear resistance is improved, and the wear rate is reduced.
(2) Mixing trimethylolpropane and lauric acid, adding glycerol and dimethylbenzene, uniformly stirring, introducing protective gas, heating at 120 ℃, adding phthalic anhydride and p-toluenesulfonic acid, heating at 240-260 ℃, reacting for 1-2h, cooling after the reaction is finished, continuing to add dimethylbenzene at 150 ℃, adding castor oil, continuing to cool, and adding alkali liquor to adjust the pH value to obtain a mixture A;
the solid lubricant main part that this application used is silver powder, because the self characteristic of silver powder, the lubricating effect under the environment of high temperature is not ideal, consequently this application generates alkyd through using trimethylolpropane and lauric acid to react, alkyd has certain water proofness on the one hand, mix it with epoxy, it can increase the lubricating property of coating under high temperature environment and have certain water-resistant performance to prepare into organic coating, alkyd still has comparatively excellent cohesiveness, can increase organic coating and metallic coating's degree of binding, the silver powder texture that this application used is softer, and the proportion of silver powder accounts for the major part of metallic coating, lead to the metallic coating hardness lower, this application combines alkyd and epoxy to carry out certain improvement in the aspect of the hardness.
According to the paint, castor oil is added to prepare the alkyd resin into the non-drying alkyd resin, so that the waterproof and chemical resistance of the paint can be further improved, but the paint cannot be formed into a film and must be mixed with epoxy resin for use, the heat conductivity of the metal coating can be improved due to the addition of the castor oil, and the lubricating effect of the whole coating under a high-temperature environment is improved.
(3) Heating the epoxy resin, adding the mixture A, the antioxidant and the dispersant, stirring uniformly, adding a pH regulator, and regulating the pH to obtain a main coating;
(4) mixing the main coating and the curing agent according to the mass ratio of 2-3:1 to obtain an organic coating;
(5) spraying the metal coating on the surface of the aluminum alloy substrate, coating the organic coating on the upper surface of the metal coating, and heating and curing to obtain the wear-resistant coating.
Further, the mass ratio of the lauric acid to the trimethylolpropane and the phthalic anhydride added in the step (2) is 1:0.6-0.67: 1.4-1.45.
When the mass ratio of the added lauric acid to the trimethylolpropane and the phthalic anhydride is 1:0.6-0.67:1.4-1.45, the lauric acid has certain corrosion effect on metals, the lauric acid is excessive to cause metal corrosion, but a small amount of residues can form a metal salt film on the metal surface, and the comprehensive performance of the coating can also be improved.
Further, the mass ratio of the p-toluenesulfonic acid to the trimethylolpropane added in the step (2) is 3.18-3.27: 1.
Further, in the step (1), when the cold welding powder is ball-milled, the ratio of the weight of the balls to the weight of the powder is 17-18:1, and when the cold welding powder is ball-milled with the zinc powder, the ratio of the weight of the balls to the weight of the powder is 13-15: 1.
Compared with the prior art, the invention has the following beneficial effects: this application uses metal coating and organic coating to cooperate and uses and prepare into composite coating, can increase the each side performance of aluminum alloy substrate after the coating, this application uses metal coating can improve the wear resistance of aluminum alloy substrate, silver, tin and zinc carry out the cooperation of certain proportion, and carry out certain change to the technology and greatly improved the wear resistance of coating, and not and still have certain self-lubricating ability, because the self characteristic of metal, can take place various oxidation in the environment, drop etc., consequently this application uses organic resin to carry out secondary coating, guarantee the integrality of metal material, but organic coating has certain corrosion behavior, need carry out certain restriction to the use amount.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The self-lubricating wear-resistant coating comprises an aluminum alloy substrate and a coating layer, wherein the coating layer comprises an organic coating and a metal coating, a layer of the metal coating is coated on the aluminum alloy substrate, a layer of the organic coating is coated on the metal coating, the organic coating comprises a main coating and a curing agent, the main coating comprises the following raw materials, by weight, 20 parts of epoxy resin, 5 parts of alkyd resin, 0.2 part of pH regulator, 0.2 part of dispersant and 0.1 part of antioxidant, the metal coating comprises silver, zinc and tin, and the curing agent is trimethyl diamine, triethylene tetramine and p-toluenesulfonic acid.
The antioxidant is a mixture of 2, 6-di-tert-butyl-p-cresol and phosphite ester.
The alkyd resin is prepared from lauric acid, castor oil, trimethylolpropane and glycerol.
The pH regulator is hydrochloric acid.
The mass ratio of silver, zinc and tin in the metal coating is 3:1: 1.
A preparation method of a self-lubricating wear-resistant coating comprises the following steps,
(1) crushing metal silver, tin and zinc to obtain silver powder, tin powder and zinc powder, mixing and ball-milling the obtained tin and silver powder, performing cold welding to obtain composite cold-welding powder, performing ball-milling on the composite cold-welding powder for 24 hours, wherein the weight ratio of the balls to the powder is 17:1, adding the zinc powder, performing ball-milling for 7 hours, and the weight ratio of the balls to the powder is 13:1 to obtain the metal coating;
(2) mixing trimethylolpropane and lauric acid, adding glycerol and dimethylbenzene, uniformly stirring, introducing protective gas, heating at 120 ℃, adding phthalic anhydride and p-toluenesulfonic acid, heating at 240 ℃ for 1h, cooling after the reaction is finished, continuing to add dimethylbenzene, adding castor oil, continuing to cool, and adding alkali liquor to adjust the pH value to obtain a mixture A, wherein the mass ratio of added lauric acid to trimethylolpropane to phthalic anhydride is 1:0.6:1.4, adding glycerol to dimethylbenzene, and heating at 150 ℃ to obtain a mixture A;
(3) heating the epoxy resin, adding the mixture A, the antioxidant and the dispersant, stirring uniformly, adding a pH regulator, and regulating the pH to obtain a main coating;
(4) mixing the main coating and the curing agent according to the mass ratio of 2:1 to obtain an organic coating;
(5) spraying the metal coating on the surface of the aluminum alloy substrate, coating the organic coating on the upper surface of the metal coating, and heating and curing to obtain the wear-resistant coating.
Example 2
The self-lubricating wear-resistant coating comprises an aluminum alloy substrate and a coating layer, wherein the coating layer comprises an organic coating and a metal coating, a layer of the metal coating is coated on the aluminum alloy substrate, a layer of the organic coating is coated on the metal coating, the organic coating comprises a main coating and a curing agent, the main coating comprises the following raw materials, by weight, 25 parts of epoxy resin, 7 parts of alkyd resin, 0.2 part of pH regulator, 0.2 part of dispersant and 0.2 part of antioxidant, the metal coating comprises silver, zinc and tin, and the curing agent is trimethyl diamine, triethylene tetramine and p-toluenesulfonic acid.
The antioxidant is a mixture of 2, 6-di-tert-butyl-p-cresol and phosphite ester.
The alkyd resin is prepared from lauric acid, castor oil, trimethylolpropane and glycerol.
The pH regulator is hydrochloric acid.
The mass ratio of silver to zinc to tin in the metal coating is 3.5:1: 1.
A preparation method of a self-lubricating wear-resistant coating comprises the following steps,
(1) crushing metal silver, tin and zinc to obtain silver powder, tin powder and zinc powder, mixing and ball-milling the obtained tin and silver powder, performing cold welding to obtain composite cold-welding powder, performing ball-milling on the composite cold-welding powder for 25 hours, wherein the weight ratio of the balls to the powder is 18:1, adding the zinc powder, performing ball-milling for 7 hours, and the weight ratio of the balls to the powder is 14:1 to obtain the metal coating;
(2) mixing trimethylolpropane and lauric acid, adding glycerol and dimethylbenzene, uniformly stirring, introducing protective gas, heating at 120 ℃, adding phthalic anhydride and p-toluenesulfonic acid, heating at 250 ℃ for 1h, cooling after the reaction is finished, continuing to add dimethylbenzene, adding castor oil, continuing to cool, and adding alkali liquor to adjust the pH value to obtain a mixture A, wherein the mass ratio of added lauric acid to trimethylolpropane to phthalic anhydride is 1:0.65:1.44, the mass ratio of added glycerol to dimethylbenzene is 3.24: 1;
(3) heating the epoxy resin, adding the mixture A, the antioxidant and the dispersant, stirring uniformly, adding a pH regulator, and regulating the pH to obtain a main coating;
(4) mixing the main coating and the curing agent according to the mass ratio of 2:1 to obtain an organic coating;
(5) spraying the metal coating on the surface of the aluminum alloy substrate, coating the organic coating on the upper surface of the metal coating, and heating and curing to obtain the wear-resistant coating.
Example 3
The self-lubricating wear-resistant coating comprises an aluminum alloy substrate and a coating layer, wherein the coating layer comprises an organic coating and a metal coating, a layer of the metal coating is coated on the aluminum alloy substrate, a layer of the organic coating is coated on the metal coating, the organic coating comprises a main coating and a curing agent, the main coating comprises the following raw materials, by weight, 25 parts of epoxy resin, 7 parts of alkyd resin, 0.3 part of pH regulator, 0.3 part of dispersant and 0.3 part of antioxidant, the metal coating comprises silver, zinc and tin, and the curing agent is trimethyl diamine, triethylene tetramine and p-toluenesulfonic acid.
The antioxidant is a mixture of 2, 6-di-tert-butyl-p-cresol and phosphite ester.
The alkyd resin is prepared from lauric acid, castor oil, trimethylolpropane and glycerol.
The pH regulator is hydrochloric acid.
The mass ratio of silver to zinc to tin in the metal coating is 3.5:1: 1.
A preparation method of a self-lubricating wear-resistant coating comprises the following steps,
(1) crushing metal silver, tin and zinc to obtain silver powder, tin powder and zinc powder, mixing and ball-milling the obtained tin and silver powder, performing cold welding to obtain composite cold-welding powder, performing ball-milling on the composite cold-welding powder for 25 hours, wherein the weight ratio of the balls to the powder is 18:1, adding the zinc powder, performing ball-milling for 7-8 hours, and the weight ratio of the balls to the powder is 15:1 to obtain the metal coating;
(2) mixing trimethylolpropane and lauric acid, adding glycerol and dimethylbenzene, uniformly stirring, introducing protective gas, heating at 120 ℃, adding phthalic anhydride and p-toluenesulfonic acid, heating at 260 ℃ for 2h, cooling after the reaction is finished, continuing to add dimethylbenzene, adding castor oil, continuing to cool, and adding alkali liquor to adjust the pH value to obtain a mixture A, wherein the mass ratio of the added lauric acid to the trimethylolpropane to the phthalic anhydride is 1:0.67:1.45, the mass ratio of the added glycerol to the dimethylbenzene to the phthalic anhydride is 3.27:1, and the mass ratio of the added p-toluenesulfonic acid to the trimethylolpropane is 260 ℃;
(3) heating the epoxy resin, adding the mixture A, the antioxidant and the dispersant, stirring uniformly, adding a pH regulator, and regulating the pH to obtain a main coating;
(4) mixing the main coating and the curing agent according to the mass ratio of 3:1 to obtain an organic coating;
(5) spraying the metal coating on the surface of the aluminum alloy substrate, coating the organic coating on the upper surface of the metal coating, and heating and curing to obtain the wear-resistant coating.
Comparative example 1
The self-lubricating wear-resistant coating comprises an aluminum alloy substrate and a coating layer, wherein the coating layer comprises an organic coating and a metal coating, a layer of the metal coating is coated on the aluminum alloy substrate, a layer of the organic coating is coated on the metal coating, the organic coating comprises a main coating and a curing agent, the main coating comprises the following raw materials, by weight, 25 parts of epoxy resin, 7 parts of alkyd resin, 0.3 part of pH regulator, 0.3 part of dispersant and 0.3 part of antioxidant, the metal coating comprises silver, zinc and tin, and the curing agent is trimethyl diamine, triethylene tetramine and p-toluenesulfonic acid.
The antioxidant is a mixture of 2, 6-di-tert-butyl-p-cresol and phosphite ester.
The alkyd resin is prepared from lauric acid, castor oil, trimethylolpropane and glycerol.
The pH regulator is hydrochloric acid.
The mass ratio of silver, zinc and tin in the metal coating is 1:1: 1.
A preparation method of a self-lubricating wear-resistant coating comprises the following steps,
(1) crushing metal silver, tin and zinc to obtain silver powder, tin powder and zinc powder, mixing the obtained silver powder, tin powder and zinc powder, and performing ball milling for 7-8 hours, wherein the weight ratio of the balls to the powder is 15:1 to obtain a metal coating;
(2) mixing trimethylolpropane and lauric acid, adding glycerol and dimethylbenzene, uniformly stirring, introducing protective gas, heating at 120 ℃, adding phthalic anhydride and p-toluenesulfonic acid, heating at 260 ℃ for 2h, cooling after the reaction is finished, continuing to add dimethylbenzene, adding castor oil, continuing to cool, and adding alkali liquor to adjust the pH value to obtain a mixture A, wherein the mass ratio of the added lauric acid to the trimethylolpropane to the phthalic anhydride is 1:0.67:1.45, the mass ratio of the added glycerol to the dimethylbenzene to the phthalic anhydride is 3.27:1, and the mass ratio of the added p-toluenesulfonic acid to the trimethylolpropane is 260 ℃;
(3) heating the epoxy resin, adding the mixture A, the antioxidant and the dispersant, stirring uniformly, adding a pH regulator, and regulating the pH to obtain a main coating;
(4) mixing the main coating and the curing agent according to the mass ratio of 3:1 to obtain an organic coating;
(5) spraying the metal coating on the surface of the aluminum alloy substrate, coating the organic coating on the upper surface of the metal coating, and heating and curing to obtain the wear-resistant coating.
Comparative example 2
The self-lubricating wear-resistant coating comprises an aluminum alloy substrate and a coating layer, wherein the coating layer comprises organic coating and metallic coating, a layer of metallic coating is coated on the aluminum alloy substrate, a layer of organic coating is coated on the metallic coating, the organic coating comprises main coating and a curing agent, the main coating comprises the following raw materials, by weight, 25 parts of epoxy resin, 7 parts of alkyd resin, 0.3 part of pH regulator, 0.3 part of dispersant and 0.3 part of antioxidant, the metallic coating comprises zinc and tin, and the curing agent is trimethyl diamine, triethylene tetramine and p-toluenesulfonic acid.
The antioxidant is a mixture of 2, 6-di-tert-butyl-p-cresol and phosphite ester.
The alkyd resin is prepared from lauric acid, castor oil, trimethylolpropane and glycerol.
The pH regulator is hydrochloric acid.
The mass ratio of zinc to tin in the metal coating is 1: 1.
A preparation method of a self-lubricating wear-resistant coating comprises the following steps,
(1) crushing metallic tin and zinc to obtain silver powder, tin powder and zinc powder, mixing the obtained tin powder and zinc powder, and carrying out ball milling for 7-8h, wherein the weight ratio of the balls to the powder is 13:1, so as to obtain a metallic coating;
(2) mixing trimethylolpropane and lauric acid, adding glycerol and dimethylbenzene, uniformly stirring, introducing protective gas, heating at 120 ℃, adding phthalic anhydride and p-toluenesulfonic acid, heating at 260 ℃ for 2h, cooling after the reaction is finished, continuing to add dimethylbenzene, adding castor oil, continuing to cool, and adding alkali liquor to adjust the pH value to obtain a mixture A, wherein the mass ratio of the added lauric acid to the trimethylolpropane to the phthalic anhydride is 1:0.67:1.45, the mass ratio of the added glycerol to the dimethylbenzene to the phthalic anhydride is 3.27:1, and the mass ratio of the added p-toluenesulfonic acid to the trimethylolpropane is 260 ℃;
(3) heating the epoxy resin, adding the mixture A, the antioxidant and the dispersant, stirring uniformly, adding a pH regulator, and regulating the pH to obtain a main coating;
(4) mixing the main coating and the curing agent according to the mass ratio of 3:1 to obtain an organic coating;
(5) spraying the metal coating on the surface of the aluminum alloy substrate, coating the organic coating on the upper surface of the metal coating, and heating and curing to obtain the wear-resistant coating.
Comparative example 3
The self-lubricating wear-resistant coating comprises an aluminum alloy substrate and a coating layer, wherein the coating layer comprises an organic coating and a metal coating, a layer of the metal coating is coated on the aluminum alloy substrate, a layer of the organic coating is coated on the metal coating, the organic coating comprises a main coating and a curing agent, the main coating comprises the following raw materials, by weight, 25 parts of epoxy resin, 7 parts of alkyd resin, 0.3 part of pH regulator, 0.3 part of dispersant and 0.3 part of antioxidant, the metal coating comprises silver, zinc and tin, and the curing agent is trimethyl diamine, triethylene tetramine and p-toluenesulfonic acid.
The antioxidant is a mixture of 2, 6-di-tert-butyl-p-cresol and phosphite ester.
The alkyd resin is prepared from lauric acid, trimethylolpropane and glycerol.
The pH regulator is hydrochloric acid.
The mass ratio of silver to zinc to tin in the metal coating is 3.5:1: 1.
A preparation method of a self-lubricating wear-resistant coating comprises the following steps,
(1) crushing metal silver, tin and zinc to obtain silver powder, tin powder and zinc powder, mixing and ball-milling the obtained tin and silver powder, performing cold welding to obtain composite cold-welding powder, performing ball-milling on the composite cold-welding powder for 25 hours, wherein the weight ratio of the balls to the powder is 18:1, adding the zinc powder, performing ball-milling for 7-8 hours, and the weight ratio of the balls to the powder is 15:1 to obtain the metal coating;
(2) mixing trimethylolpropane and lauric acid, adding glycerol and dimethylbenzene, uniformly stirring, introducing protective gas, heating at 120 ℃, adding phthalic anhydride and p-toluenesulfonic acid, heating at 260 ℃ for 2h, cooling after the reaction is finished, continuing to add dimethylbenzene, continuing to cool, and adding alkali liquor to adjust the pH value to obtain a mixture A, wherein the mass ratio of added lauric acid to trimethylolpropane to phthalic anhydride is 1:0.67:1.45, the mass ratio of added glycerol to dimethylbenzene is 1: 0.1;
(3) heating the epoxy resin, adding the mixture A, the antioxidant and the dispersant, stirring uniformly, adding a pH regulator, and regulating the pH to obtain a main coating;
(4) mixing the main coating and the curing agent according to the mass ratio of 3:1 to obtain an organic coating;
(5) spraying the metal coating on the surface of the aluminum alloy substrate, coating the organic coating on the upper surface of the metal coating, and heating and curing to obtain the wear-resistant coating.
Comparative example 4
The self-lubricating wear-resistant coating comprises an aluminum alloy substrate and a coating layer, wherein the coating layer comprises an organic coating and a metal coating, a layer of the metal coating is coated on the aluminum alloy substrate, a layer of the organic coating is coated on the metal coating, the organic coating comprises a main coating and a curing agent, the main coating comprises the following raw materials, by weight, 25 parts of epoxy resin, 7 parts of alkyd resin, 0.3 part of pH regulator, 0.3 part of dispersant and 0.3 part of antioxidant, the metal coating comprises silver, zinc and tin, and the curing agent is trimethyl diamine, triethylene tetramine and p-toluenesulfonic acid.
The antioxidant is a mixture of 2, 6-di-tert-butyl-p-cresol and phosphite ester.
The alkyd resin is prepared from lauric acid, castor oil, trimethylolpropane and glycerol.
The pH regulator is hydrochloric acid.
The mass ratio of silver to zinc to tin in the metal coating is 1:1: 1.
A preparation method of a self-lubricating wear-resistant coating comprises the following steps,
(1) crushing metal silver, tin and zinc to obtain silver powder, tin powder and zinc powder, mixing and ball-milling the obtained tin and silver powder, performing cold welding to obtain composite cold-welding powder, performing ball-milling on the composite cold-welding powder for 25 hours, wherein the weight ratio of the balls to the powder is 18:1, adding the zinc powder, performing ball-milling for 7-8 hours, and the weight ratio of the balls to the powder is 15:1 to obtain the metal coating;
(2) mixing trimethylolpropane and lauric acid, adding glycerol and dimethylbenzene, uniformly stirring, introducing protective gas, heating at the temperature of 120 ℃, adding phthalic anhydride and p-toluenesulfonic acid, heating at the temperature of 260 ℃ and the mass ratio of the added p-toluenesulfonic acid to the trimethylolpropane of 3.27:1, reacting for 2 hours, cooling after the reaction is finished, keeping the temperature at 150 ℃, adding dimethylbenzene, adding castor oil, keeping the temperature, adding alkali liquor to regulate the pH value to obtain a mixture A, wherein the mass ratio of the added lauric acid to the trimethylolpropane to the phthalic anhydride is 1:0.67: 1.45;
(3) heating the epoxy resin, adding the mixture A, the antioxidant and the dispersant, stirring uniformly, adding a pH regulator, and regulating the pH to obtain a main coating;
(4) mixing the main coating and the curing agent according to the mass ratio of 3:1 to obtain an organic coating;
(5) spraying the metal coating on the surface of the aluminum alloy substrate, coating the organic coating on the upper surface of the metal coating, and heating and curing to obtain the wear-resistant coating.
Experiment of
Taking example 3 as a comparison, setting comparative example 1, comparative example 2, comparative example 3 and comparative example 4, wherein the mass ratio of silver, zinc and tin in comparative example 1 is 1:1:1, and no cold welding is carried out, no silver is added in comparative example 2, the mass ratio of zinc and tin is 1:1, and no cold welding is carried out, no castor oil is added in comparative example 3, and the mass ratio of silver, zinc and tin in comparative example 4 is 1:1:1, and cold welding is carried out to carry out a comparative experiment.
The tensile bonding strength of the samples of example 1, example 2, example 3, comparative example 1, comparative example 2, comparative example 3 and comparative example 4 was measured according to GB/T8642-,
| experimental group | Coating performance | Bonding strength MPa | Mass loss% |
| Example 1 | Good taste | 39 | 0.36 |
| Example 2 | Good taste | 37 | 0.31 |
| Example 3 | Good taste | 40 | 0.32 |
| Comparative example 1 | Has a small amount of cracks | 43 | 0.48 |
| Comparative example 2 | Has a large number of cracks | 37 | 0.56 |
| Comparative example 3 | Good taste | 31 | 0.34 |
| Comparative example 4 | Has a small amount of cracks | 37 | 0.42 |
Watch 1
The tensile bonding strength of the samples of example 1, example 2, example 3 and comparative example 3 was measured at 130 ℃ according to GB/T8642-,
| experimental group | Coating performance accuracy | Bonding strength MPa | Mass loss% |
| Example 1 | Good taste | 32 | 0.31 |
| Example 2 | Good taste | 33 | 0.28 |
| Example 3 | Good taste | 45 | 0.27 |
| Comparative example 3 | Has a crack | 24 | 0.42 |
Watch two
Data analysis
Comparing comparative example 1, comparative example 2 and comparative example 4 with example 1, example 2 and example 3, example 1, example 2, example 3 > comparative example 4 > comparative example 1 > comparative example 2 in appearance performance, comparative example 2 and comparative example 4 perform consistently in bonding strength, example 1, example 2 and example 3 are optimal, example 1, example 2 and example 3 perform well in terms of mass loss, and comparative example 2 performs poorly, indicating that the proportion of metal powder used in the present application and the process of preparation can improve the wear resistance of the coating.
In comparative example 3, no castor oil is added, which results in the decrease of the wear resistance of the coating under the high temperature environment, and the performance is inferior to that of example 1, example 2 and example 3.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. A self-lubricating wear-resistant coating comprises an aluminum alloy substrate and a coating, wherein the coating comprises an organic coating and a metal coating, a layer of metal coating is coated on the aluminum alloy substrate, a layer of organic coating is coated on the metal coating, the organic coating comprises a main coating and a curing agent, the main coating comprises the following raw materials, by weight, 25 parts of epoxy resin, 7 parts of alkyd resin, 0.3 part of pH regulator, 0.3 part of dispersant and 0.3 part of antioxidant, the metal coating comprises silver, zinc and tin, and the curing agent is trimethyl diamine, triethylene tetramine and p-toluenesulfonic acid;
the antioxidant is a mixture of 2, 6-di-tert-butyl-p-cresol and phosphite ester;
the alkyd resin is prepared from lauric acid, castor oil, trimethylolpropane and glycerol;
the pH regulator is hydrochloric acid;
the mass ratio of silver to zinc to tin in the metal coating is 3.5:1: 1;
the preparation method of the self-lubricating wear-resistant coating comprises the following specific steps:
(1) crushing metal silver, tin and zinc to obtain silver powder, tin powder and zinc powder, mixing and ball-milling the obtained tin and silver powder, performing cold welding to obtain composite cold-welding powder, performing ball-milling on the composite cold-welding powder for 25 hours, wherein the weight ratio of the balls to the powder is 18:1, adding the zinc powder, performing ball-milling for 7-8 hours, and the weight ratio of the balls to the powder is 15:1 to obtain the metal coating;
(2) mixing trimethylolpropane and lauric acid, adding glycerol and dimethylbenzene, uniformly stirring, introducing protective gas, heating at 120 ℃, adding phthalic anhydride and p-toluenesulfonic acid, heating at 260 ℃ for 2h, cooling after the reaction is finished, continuing to add dimethylbenzene, adding castor oil, continuing to cool, and adding alkali liquor to adjust the pH value to obtain a mixture A, wherein the mass ratio of the added lauric acid to the trimethylolpropane to the phthalic anhydride is 1:0.67:1.45, the mass ratio of the added glycerol to the dimethylbenzene to the phthalic anhydride is 3.27:1, and the mass ratio of the added p-toluenesulfonic acid to the trimethylolpropane is 260 ℃;
(3) heating the epoxy resin, adding the mixture A, the antioxidant and the dispersant, stirring uniformly, adding a pH regulator, and regulating the pH to obtain a main coating;
(4) mixing the main coating and the curing agent according to the mass ratio of 3:1 to obtain an organic coating;
(5) spraying the metal coating on the surface of the aluminum alloy substrate, coating the organic coating on the upper surface of the metal coating, and heating and curing to obtain the wear-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210252907.1A CN114891413B (en) | 2021-02-28 | 2021-02-28 | Self-lubricating wear-resistant coating |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210252907.1A CN114891413B (en) | 2021-02-28 | 2021-02-28 | Self-lubricating wear-resistant coating |
| CN202110222005.9A CN113025157B (en) | 2021-02-28 | 2021-02-28 | Self-lubricating wear-resistant coating and preparation process thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110222005.9A Division CN113025157B (en) | 2021-02-28 | 2021-02-28 | Self-lubricating wear-resistant coating and preparation process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114891413A true CN114891413A (en) | 2022-08-12 |
| CN114891413B CN114891413B (en) | 2024-01-02 |
Family
ID=76464751
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110222005.9A Active CN113025157B (en) | 2021-02-28 | 2021-02-28 | Self-lubricating wear-resistant coating and preparation process thereof |
| CN202210252907.1A Active CN114891413B (en) | 2021-02-28 | 2021-02-28 | Self-lubricating wear-resistant coating |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110222005.9A Active CN113025157B (en) | 2021-02-28 | 2021-02-28 | Self-lubricating wear-resistant coating and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN113025157B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6455475B1 (en) * | 1999-11-12 | 2002-09-24 | Ebara Corporation | Sliding member and process for producing the same |
| CN101125995A (en) * | 2007-09-28 | 2008-02-20 | 王新虎 | Screw thread adhesion abrasion resisting self-lubricating coating and preparation method thereof |
| CN102317071A (en) * | 2008-12-19 | 2012-01-11 | 威士伯采购公司 | The alkyd resin composition of hypotonicity, low formaldehyde |
| CN103484012A (en) * | 2013-09-23 | 2014-01-01 | 北京航天新风机械设备有限责任公司 | Molybdenum disulfide coating for surface lubrication of aluminium alloy at normal temperature and preparation method |
| CN106029794A (en) * | 2013-12-27 | 2016-10-12 | 联合莫古尔威斯巴登有限公司 | Anti-friction lacquer and sliding bearing laminate comprising same |
| CN110701053A (en) * | 2019-10-24 | 2020-01-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Wear-resisting part for scroll compressor and scroll compressor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004094685A2 (en) * | 2003-04-22 | 2004-11-04 | Diamond Innovations, Inc. | Method to provide wear-resistant coating and related coated articles |
| US7449241B2 (en) * | 2003-08-04 | 2008-11-11 | General Electric Company | Organic coating compositions for aluminizing metal substrates, and related methods and articles |
| DE102005059613A1 (en) * | 2005-12-12 | 2007-06-28 | Nano-X Gmbh | Coating material, useful for substrates e.g. steel and leather, comprises lubricant, binder, pigment or filler material, a solid substrate that bounds to the surface, and deformable substrate by cold- or warm deforming process |
| DE102005059614A1 (en) * | 2005-12-12 | 2007-06-14 | Nano-X Gmbh | Anti-corrosion and/or anti-scaling coating for metals (especially steel) is applied by wet methods and heat treated to give a weldable coating |
| CN109836959A (en) * | 2017-09-20 | 2019-06-04 | 中国科学院金属研究所 | A kind of wear-resistant self-lubricating anticorrosive coating and the preparation method and application thereof |
| CN207228526U (en) * | 2017-09-30 | 2018-04-13 | 苏州多彩铝业有限责任公司 | A kind of scratch-resistant wear-resistant decorative board |
| CN108300157A (en) * | 2017-10-23 | 2018-07-20 | 江苏都盛科技发展有限公司 | A kind of electric heating tube surface anticorrosive wear-resistant paint |
-
2021
- 2021-02-28 CN CN202110222005.9A patent/CN113025157B/en active Active
- 2021-02-28 CN CN202210252907.1A patent/CN114891413B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6455475B1 (en) * | 1999-11-12 | 2002-09-24 | Ebara Corporation | Sliding member and process for producing the same |
| CN101125995A (en) * | 2007-09-28 | 2008-02-20 | 王新虎 | Screw thread adhesion abrasion resisting self-lubricating coating and preparation method thereof |
| CN102317071A (en) * | 2008-12-19 | 2012-01-11 | 威士伯采购公司 | The alkyd resin composition of hypotonicity, low formaldehyde |
| CN103484012A (en) * | 2013-09-23 | 2014-01-01 | 北京航天新风机械设备有限责任公司 | Molybdenum disulfide coating for surface lubrication of aluminium alloy at normal temperature and preparation method |
| CN106029794A (en) * | 2013-12-27 | 2016-10-12 | 联合莫古尔威斯巴登有限公司 | Anti-friction lacquer and sliding bearing laminate comprising same |
| CN110701053A (en) * | 2019-10-24 | 2020-01-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Wear-resisting part for scroll compressor and scroll compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113025157A (en) | 2021-06-25 |
| CN114891413B (en) | 2024-01-02 |
| CN113025157B (en) | 2022-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110305558A (en) | A kind of resistance to marine corrosion, wear-resisting self-lubricating composite coating and its preparation process | |
| CN106825988B (en) | A kind of plasma arc surfacing high-temperature corrosion resistance and abrasion Co-based powder | |
| CN105821262A (en) | Sliding alloy material and alloy sliding structural component special for support and manufacturing method of alloy sliding structural component | |
| CN113913683A (en) | High-strength nut material and preparation method thereof | |
| CN102162079A (en) | Low-oxygen-content high-yield spherical aluminum bronze alloy powder for thermal spraying and preparation method thereof | |
| US9027249B2 (en) | Method for producing a lead-free sliding bearing | |
| CN113025157B (en) | Self-lubricating wear-resistant coating and preparation process thereof | |
| CN103231063A (en) | Long-service-life multi-face self-lubricating antifriction plate and manufacture method thereof | |
| CN112725785A (en) | Blue passivator for steel parts and preparation method thereof | |
| CN112480780A (en) | Anticorrosive paint and preparation method and application thereof | |
| CN108690982A (en) | A kind of multi-principal elements alloy cutting tool coating and preparation method thereof | |
| CN115055687B (en) | Production method of zinc-aluminum alloy-graphene composite powder material | |
| CN104371808A (en) | Wear-resisting anti-rust oil | |
| CN115232492A (en) | Water-based phosphate ceramic coating and preparation method thereof | |
| CN107325681A (en) | A kind of low-temperature setting water corrosion-resistant epoxy paint and preparation method thereof | |
| CN107189625A (en) | A kind of water-base epoxy fire-resistant anticorrosion paint of metal ion crosslinked and preparation method thereof | |
| CN113981443A (en) | Anti-corrosion galvanized steel sheet and preparation method thereof | |
| CN106590422A (en) | Antirust high-temperature-resistant paint for aeronautical materials and preparation method of antirust high-temperature-resistant paint | |
| CN112063284A (en) | Waterborne polyurethane composite coating and preparation method thereof | |
| CN112301253A (en) | Titanium bronze material and method for manufacturing alloy plate by using same | |
| CN110628257A (en) | Self-leveling self-repairing zinc-aluminum coating and preparation method and application thereof | |
| CN105436400A (en) | Special coating for V-method casting process to produce micro-carbon high-alloy steel castings | |
| CN110747425A (en) | Super wear-resistant corrosion-resistant coating and preparation method thereof | |
| CN109112524A (en) | A kind of composite passivant for galvanized sheet | |
| CN116120824B (en) | Self-lubricating nuclear protective coating capable of being used in ocean high-temperature corrosion environment and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231208 Address after: 115000 West Outer Ring Road, Dashiqiao Economic Development Zone, Yingkou City, Liaoning Province Applicant after: YINGKOU SAISIDE SECTION BAR CO.,LTD. Address before: 214000 109 Qingshu Road, Taihu new town, Binhu District, Wuxi City, Jiangsu Province Applicant before: Liu Xiaodong |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |