CN108531072A - A kind of heat-resisting antiwear paint and preparation method thereof - Google Patents
A kind of heat-resisting antiwear paint and preparation method thereof Download PDFInfo
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- 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
- C09D181/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon only; Coating compositions based on polysulfones; Coating compositions based on derivatives of such polymers
- C09D181/06—Polysulfones; Polyethersulfones
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- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- 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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- 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
- C09D7/65—Additives macromolecular
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a kind of heat-resisting antiwear paints, belong to technical field of coatings.For the problem that performance declines significant problem under current wear-resistant paint high temperature, and improves Polyethersulfone Coating wearability and keep its high temperature resistance.The present invention is by using polyethersulfone resin as matrix resin, the polyether sulphone of a small amount of biphenyl contenting structure and the poly(aryl ether ketone) of biphenyl contenting structure is added, the wearability of coating can be significantly improved, micron order silicon carbide and nanometer silicon carbide is added simultaneously, utilize the synergistic effect between them, i.e. micron order provides a supporting role, and nanoscale provides rolling action, to reduce friction coefficient.It is that coating surface is easier to slide that polytetrafluoroethylene (PTFE) and graphite, which is added, play the role of improving wearability jointly with other components, simultaneously the present invention still maintained while adding various ingredients with the comparable heat-resisting quantity of polyethersulfone resin, there is not the case where performance decline.
Description
Technical field
The invention belongs to technical field of coatings, and in particular to a kind of heat-resisting antiwear paint and preparation method thereof.
Background technology
There are mainly three types of forms for the failure of component of machine in modern industry, that is, wear, are broken and corrode, wherein wearing
About account for 60%.Abrasion consumes a large amount of resource every year, and there is the total energy close to one third to half in the world at present
It is consumed by the friction of one or more forms, the economic loss caused by fretting wear reaches hundred million RMB every year in China.It is resistance to
Mill coating is a kind of easiest way for reducing abrasion.Therefore research wear-reduced coating is either to the development of national economy, also
It is to have important meaning to energy conservation and environmental protection.
The more extensive wear-resistant paint of application is mainly epoxy coating system and polyurethane coating systems at present, but it is deposited
It is not high in the temperature in use of certain disadvantage, i.e. matrix resin (epoxy resin and polyurethane etc.), and with the raising of temperature, performance
Decline apparent.And it is general all along with exothermic phenomenon in process of friction and wear, temperature all improves, sometimes even over
The temperature in use of coating.Therefore with the progress of process of friction and wear, the raising of temperature in use, the wearability of common wear-resistant paint
It can be remarkably decreased, or even cannot use.
The maximum operation (service) temperature of special engineering plastics is that a kind of high temperature resistance is good, comprehensive generally all at 150 DEG C or more
Can excellent plastics, the wear-resistant paint of preparation not only wear-resisting property and excellent combination property, temperature pair using it as matrix resin
It influences that also very less, temperature in use can also be improved.But prepare wear-resistant paint using special engineering plastics, coating it is resistance to
Mill performance, which still needs, to be further increased, and other components are added and are then easily destroyed its high temperature resistance, because at present
It is badly in need of a kind of both having the coating with wear-resisting property with high temperature resistance.
Invention content
The technical problem to be solved by the present invention is to performance declines significant problem, Yi Jiti under current wear-resistant paint high temperature
High Polyethersulfone Coating wearability and the problem of keep its high temperature resistance.For achieving the above object, the present invention proposes a kind of
Heat-resisting antiwear paint and preparation method, the coating being prepared have excellent high temperature resistance and wear-resisting property, self-lubricating
It is functional, excellent combination property.
A kind of heat-resisting antiwear paint proposed by the present invention, component is by weight：10-15 parts of polyether sulfone, knot containing biphenyl
1-10 parts of the polyether sulphone of structure, 1-10 parts of the poly(aryl ether ketone) of biphenyl contenting structure, 1-3 parts of nanometer silicon carbide, micron order silicon carbide
3-5 parts, 1-3 parts of graphite, 1-5 parts of polytetrafluoroethylene (PTFE), 76~105 parts of double solvents；Wherein, the micron order silicon carbide grain size
It is 1~20 micron；The grain size of nanometer silicon carbide is 10~100 nanometers.
The double solvents is by N ' N- dimethylacetylamide 25-35, N-Methyl pyrrolidone 25-35, toluene 25-35 and fourth
1-10 parts of compositions of ketone.
The skeleton symbol of the polyether sulfone is
N=50~500, preferably n=100~180；When n ＜ 50, the impact property after polyether sulfone film forming is poor；N is more than
When 500, dope viscosity is big, is not suitable for spraying film forming.
The skeleton symbol of the poly(aryl ether ketone) of the biphenyl contenting structure is
Wherein n=200~800, x+y=1, x=0.1-1；Preferably n=500~800；When n ＜ 200, knot containing biphenyl
Wear-resisting effect unobvious of the poly(aryl ether ketone) of structure in coating；When n is more than 800, melt fluidity is bad, disperses not in coating
Uniformly, the appearance and performance of coating are influenced.The grain size of the poly(aryl ether ketone) of biphenyl contenting structure is between 1~100 micron, preferably
1~20 micron；Grain size is less than 1 micron, is easy to happen agglomeration；Grain size is more than 100 microns, and dispersion is uneven, influences coating
Appearance and performance.
The skeleton symbol of the polyether sulphone of the biphenyl contenting structure is
Wherein n=50~500, x+y=1, x=0.1-1；Preferably n=100~300；When n ＜ 50, biphenyl contenting structure
Wear-resisting effect unobvious of the poly(aryl ether ketone) in coating；When n is more than 500, melt fluidity is bad, disperses in coating uneven
It is even, influence the appearance and performance of coating.
The poly(aryl ether ketone) of the biphenyl contenting structure is preferably x=0.1~0.3；The polyether sulphone of the biphenyl contenting structure
Preferably x=0.7~0.9.
The preparation method of heat-resisting antiwear paint proposed by the present invention is as follows：
N ' N- dimethylacetylamides, N-Methyl pyrrolidone, toluene, butanone are added to the dispersion tank for grinding stirring integrated machine
In；Rotating speed is adjusted to 5000~7000r/min, nanometer silicon carbide is added, disperses 10-20min；Adjust rotating speed to 3000~
Micron order silicon carbide, graphite, polytetrafluoroethylene (PTFE) is added in 3500r/min, disperses 10-20min；Polyethersulfone resin, dispersion is added
10-20min；The poly(aryl ether ketone) of the polyether sulphone and biphenyl contenting structure of biphenyl contenting structure is added, redisperse is ground 4-8h, is prepared into
To heat-resisting antiwear paint.
The coating processes of heat-resisting antiwear paint are as follows in the present invention：
Heat-resisting antiwear paint is sprayed on the clean metal substrate by blasting treatment using aerial spraying method,
10~30min is toasted at 100~120 DEG C, is warming up at 360~390 DEG C and is kept obtaining for 5~15 minutes heat resistant and wear resistant painting
Layer.
Heat-resisting antiwear paint provided by the invention has the following advantages that：
1, the present invention adds the poly- virtue of the biphenyl contenting structure of certain content using polyethersulfone resin as main film forming substance
The poly(aryl ether ketone) of ether sulfone and biphenyl contenting structure improves the wearability of coating while holding coating excellent comprehensive performance
Energy.
Compared to polyether sulfone, the wearability of the polyether sulphone of biphenyl contenting structure is more preferable, the polyether sulphone of biphenyl contenting structure and
For polyethersulfone resin there is also certain similar structure, compatibility is preferable, is not present and disperses the problems such as difficult when being prepared into coating, therefore
While keeping coating excellent comprehensive performance, the wear-resisting property of coating is improved.
Compared to polyether sulfone, the wear-resisting property of the poly(aryl ether ketone) of biphenyl contenting structure is more excellent, but does not have with polyether sulfone
Similar molecular architecture, compatibility are general.However since the poly(aryl ether ketone) of biphenyl contenting structure and the polyether sulphone of biphenyl contenting structure are deposited
In certain similar structure, compatibility is preferable, therefore when addition is prepared into coating simultaneously, the problems such as dispersion is also not present, therefore
While keeping coating excellent comprehensive performance, the wear-resisting property of coating can be improved.
2, film forming matter of the invention is polyarylether class special engineering plastics, excellent combination property, high temperature resistant and wear-resisting
Performance protrudes, therefore the coating prepared has excellent comprehensive performance, is provided simultaneously with high temperature resistant outstanding and wear-resisting property.
3, the present invention had not only added micron order silicon carbide, but also addition nanometer silicon carbide, was to have synergistic effect because of them,
Micron order provides a supporting role, and nanoscale provides other components collective effect in rolling action and coating and improves the wear-resisting of coating
Performance.
4, present invention addition polytetrafluoroethylene (PTFE), can reduce other components in friction coefficient and coating well in coating
Collective effect improves Wear Resistance of Coating.
5, present invention addition graphite, graphite have lamellar structure, and can make contact coating surface is easier cunning to flour milling
Other components collective effect improves wearability in dynamic and coating.
4, of the invention preparation process and coating processes are easy to operate, be easily achieved, cost is relatively low.
Specific implementation mode
Further illustrate the present invention technical solution by way of examples below.
Embodiment 1
Coating is prepared by weight, by N ' N- dimethylacetylamides 25, N-Methyl pyrrolidone 25, toluene 25, butanone 1
It is added in the dispersion tank for grinding stirring integrated machine；Rotating speed is adjusted to 5000r/min, nanometer silicon carbide 1 is added, disperses 10min；
Rotating speed is adjusted to 3000r/min, micron order silicon carbide 3, graphite 1, polytetrafluoroethylene (PTFE) 1 is added, disperses 10min；Polyether sulfone is added
Resin (n=50) disperses 10min；The polyether sulphone (n=50, x=0.1, y=0.9) and knot containing biphenyl that biphenyl contenting structure is added
The poly(aryl ether ketone) (n=200, x=0.1, y=0.9,1 micron of grain size) of structure, redisperse grind 4h, heat resistant and wear resistant are prepared
Coating.Above-mentioned heat-resisting antiwear paint is sprayed to the clean metal substrate by blasting treatment using aerial spraying method
On, 10min is toasted at 100 DEG C, is warming up at 360 DEG C and keeps obtaining heat resistant and wear resistant coating in 5 minutes.
Embodiment 2
Coating is prepared by weight, by N ' N- dimethylacetylamides 30, N-Methyl pyrrolidone 30, toluene 30, butanone 5
It is added in the dispersion tank for grinding stirring integrated machine；Rotating speed is adjusted to 6000r/min, nanometer silicon carbide 2 is added, disperses 15min；
Rotating speed is adjusted to 3300r/min, micron order silicon carbide 4, graphite 2, polytetrafluoroethylene (PTFE) 3 is added, disperses 15min；Polyether sulfone is added
Resin (n=300) disperses 15min；The polyether sulphone (n=300, x=0.5, y=0.5) of biphenyl contenting structure is added and contains biphenyl
The poly(aryl ether ketone) (n=500, x=0.5, y=0.5,50 microns of grain size) of structure, redisperse grind 6h, it is resistance to that high temperature resistant are prepared
Grind coating.Above-mentioned heat-resisting antiwear paint is sprayed to the clean metal substrate by blasting treatment using aerial spraying method
On, 20min is toasted at 110 DEG C, is warming up at 370 DEG C and keeps obtaining heat resistant and wear resistant coating in 10 minutes.
Embodiment 3
Coating is prepared by weight, by N ' N- dimethylacetylamides 25, N-Methyl pyrrolidone 35, toluene 35, butanone
10 are added in the dispersion tank for grinding stirring integrated machine；Rotating speed is adjusted to 7000r/min, nanometer silicon carbide 3, dispersion is added
20min；Rotating speed is adjusted to 3500r/min, micron order silicon carbide 5, graphite 3, polytetrafluoroethylene (PTFE) 5 is added, disperses 20min；It is added
Polyethersulfone resin (n=500) disperses 20min；Be added biphenyl contenting structure polyether sulphone (n=500, x=0.1, y=0.9) and
The poly(aryl ether ketone) (n=800, x=0.1, y=0.9,100 microns of grain size) of biphenyl contenting structure, redisperse are ground 8h, are prepared
Heat-resisting antiwear paint.Above-mentioned heat-resisting antiwear paint is sprayed to by the clean of blasting treatment using aerial spraying method
On metal substrate, 30min is toasted at 120 DEG C, is warming up at 390 DEG C and keeps obtaining heat resistant and wear resistant coating in 15 minutes.
Embodiment 4
Coating is prepared by weight, by N ' N- dimethylacetylamides 35, N-Methyl pyrrolidone 25, toluene 35, butanone
10 are added in the dispersion tank for grinding stirring integrated machine；Rotating speed is adjusted to 7000r/min, nanometer silicon carbide 3, dispersion is added
20min；Rotating speed is adjusted to 3500r/min, micron order silicon carbide 5, graphite 3, polytetrafluoroethylene (PTFE) 5 is added, disperses 20min；It is added
Polyethersulfone resin (n=500) disperses 20min；Be added biphenyl contenting structure polyether sulphone (n=500, x=0.2, y=0.8) and
The poly(aryl ether ketone) (n=800, x=0.2, y=0.8,100 microns of grain size) of biphenyl contenting structure, redisperse are ground 8h, are prepared
Heat-resisting antiwear paint.Above-mentioned heat-resisting antiwear paint is sprayed to by the clean of blasting treatment using aerial spraying method
On metal substrate, 30min is toasted at 120 DEG C, is warming up at 390 DEG C and keeps obtaining heat resistant and wear resistant coating in 15 minutes.
Embodiment 5
Coating is prepared by weight, by N ' N- dimethylacetylamides 35, N-Methyl pyrrolidone 35, toluene 25, butanone
10 are added in the dispersion tank for grinding stirring integrated machine；Rotating speed is adjusted to 5000r/min, nanometer silicon carbide 1, dispersion is added
10min；Rotating speed is adjusted to 3000r/min, micron order silicon carbide 3, graphite 1, polytetrafluoroethylene (PTFE) 1 is added, disperses 10min；It is added
Polyethersulfone resin (n=100) disperses 10min；Be added biphenyl contenting structure polyether sulphone (n=200, x=0.3, y=0.7) and
The poly(aryl ether ketone) (n=300, x=0.3, y=0.7,20 microns of grain size) of biphenyl contenting structure, redisperse are ground 5h, are prepared resistance to
High temperature abrasion material.Above-mentioned heat-resisting antiwear paint is sprayed to the clean gold by blasting treatment using aerial spraying method
Belong on ground, toasts 15min at 105 DEG C, be warming up at 365 DEG C and keep obtaining heat resistant and wear resistant coating in 8 minutes.
Embodiment 6
Coating is prepared by weight, by N ' N- dimethylacetylamides 28, N-Methyl pyrrolidone 26, toluene 27, butanone 6
It is added in the dispersion tank for grinding stirring integrated machine；Rotating speed is adjusted to 5500r/min, nanometer silicon carbide 2 is added, disperses 16min；
Rotating speed is adjusted to 3350r/min, micron order silicon carbide 4, graphite 2, polytetrafluoroethylene (PTFE) 1 is added, disperses 16min；Polyether sulfone is added
Resin (n=400) disperses 10min；The polyether sulphone (n=400, x=0.4, y=0.6) of biphenyl contenting structure is added and contains biphenyl
The poly(aryl ether ketone) (n=600, x=0.4, y=0.6,30 microns of grain size) of structure, redisperse grind 5h, it is resistance to that high temperature resistant are prepared
Grind coating.Above-mentioned heat-resisting antiwear paint is sprayed to the clean metal substrate by blasting treatment using aerial spraying method
On, 25min is toasted at 100 DEG C, is warming up at 380 DEG C and keeps obtaining heat resistant and wear resistant coating in 10 minutes.
Embodiment 7
Coating is prepared by weight, by N ' N- dimethylacetylamides 32, N-Methyl pyrrolidone 32, toluene 32, butanone 7
It is added in the dispersion tank for grinding stirring integrated machine；Rotating speed is adjusted to 6500r/min, nanometer silicon carbide 3 is added, disperses 18min；
Rotating speed is adjusted to 3400r/min, micron order silicon carbide 3, graphite 1-3, polytetrafluoroethylene (PTFE) 5 is added, disperses 13min；Polyethers is added
Sulphone resin (n=400) disperses 20min；The polyether sulphone (n=400, x=0.6, y=0.4) of biphenyl contenting structure is added and containing connection
The poly(aryl ether ketone) (n=700, x=0.6, y=0.4,40 microns of grain size) of benzene structure, redisperse grind 8h, high temperature resistant are prepared
Wear-resistant paint.Above-mentioned heat-resisting antiwear paint is sprayed to the clean metal bottom by blasting treatment using aerial spraying method
On material, 30min is toasted at 100 DEG C, is warming up at 385 DEG C and keeps obtaining heat resistant and wear resistant coating in 11 minutes.
Embodiment 8
Coating is prepared by weight, by N ' N- dimethylacetylamides 34, N-Methyl pyrrolidone 34, toluene 34, butanone 9
It is added in the dispersion tank for grinding stirring integrated machine；Rotating speed is adjusted to 7000r/min, nanometer silicon carbide 1 is added, disperses 10min；
Rotating speed is adjusted to 3500r/min, micron order silicon carbide 3, graphite 3, polytetrafluoroethylene (PTFE) 1 is added, disperses 20min；Polyether sulfone is added
Resin (n=100) disperses 20min；The polyether sulphone (n=200, x=0.8, y=0.2) of biphenyl contenting structure is added and contains biphenyl
The poly(aryl ether ketone) (n=600, x=0.8, y=0.2,60 microns of grain size) of structure, redisperse grind 6h, it is resistance to that high temperature resistant are prepared
Grind coating.Above-mentioned heat-resisting antiwear paint is sprayed to the clean metal substrate by blasting treatment using aerial spraying method
On, 10min is toasted at 110 DEG C, is warming up at 360 DEG C and keeps obtaining heat resistant and wear resistant coating in 10 minutes.
Embodiment 9
Coating is prepared by weight, by N ' N- dimethylacetylamides 35, N-Methyl pyrrolidone 35, toluene 35, butanone
10 are added in the dispersion tank for grinding stirring integrated machine；Rotating speed is adjusted to 7000r/min, nanometer silicon carbide 3, dispersion is added
20min；Rotating speed is adjusted to 3500r/min, micron order silicon carbide 5, graphite 3, polytetrafluoroethylene (PTFE) 5 is added, disperses 20min；It is added
Polyethersulfone resin (n=500) disperses 20min；The polyether sulphone (n=500, x=1, y=0) of biphenyl contenting structure is added and containing connection
The poly(aryl ether ketone) (n=800, x=1, y=0,100 microns of grain size) of benzene structure, redisperse grind 8h, it is resistance to that high temperature resistant are prepared
Grind coating.Above-mentioned heat-resisting antiwear paint is sprayed to the clean metal substrate by blasting treatment using aerial spraying method
On, 30min is toasted at 120 DEG C, is warming up at 390 DEG C and keeps obtaining heat resistant and wear resistant coating in 15 minutes.
Micron order silicon carbide grain size employed in above-described embodiment is 1~20 micron, used nanometer silicon carbide
Grain size be 10~100 nanometers.In addition to the implementation such as x=0.1~0.3 of the poly(aryl ether ketone) of biphenyl contenting structure；Containing biphenyl
Polyether sulphone x=0.7~0.9 of structure, when compared to other with smaller friction coefficient and wear rate.
Test result is as follows for the coating made from above-described embodiment：
| Test event | Test result | Test reference standard |
| Thickness | 35~55 μm | GB/T 1764-1979 |
| Adhesive force | 0.31~0.35MPa | GB/T 5210-2006 |
| Positive impact resistance | ≥50kg·cm | GB/T 20624.1-2006 |
| Hardness | 3H~4H | GB/T 6739-2006 |
| Heat resistance | 180 DEG C, 48h is unchanged | GB/T 1735 |
| Friction coefficient | 0.15~0.25 | UMT-2 type friction wear testing machines |
| Wear rate | 0.1mg~0.3mg | The omnipotent wear resistant instruments of BGD528 |
Comparative example
Coating is prepared by weight, by N ' N- dimethylacetylamides 25, N-Methyl pyrrolidone 25, toluene 25, butanone 1
It is added in the dispersion tank for grinding stirring integrated machine；Rotating speed is adjusted to 5000r/min, nanometer silicon carbide 1 is added, disperses 10min；
Rotating speed is adjusted to 3000r/min, micron order silicon carbide 3, graphite 1, polytetrafluoroethylene (PTFE) 1 is added, disperses 10min；Polyether sulfone is added
Resin (n=50) disperses 10min；Redisperse grinds 4h, and heat-resisting antiwear paint is prepared.It will using aerial spraying method
Above-mentioned heat-resisting antiwear paint sprays on the clean metal substrate by blasting treatment, and 10min is toasted at 100 DEG C, rises
Temperature is to keeping obtaining heat resistant and wear resistant coating in 5 minutes at 360 DEG C.
Test result is as follows for the coating made from comparative example：
After above-described embodiment is compared it is found that the poly(aryl ether ketone) of biphenyl contenting structure and the polyether sulphone of biphenyl contenting structure is added
Polyethersulfone Coating, the friction coefficient and wear rate of prepared coating are substantially reduced, and surface is smooth, and the heat resistance of coating is still
It so keeps preferable, illustrates that the polyether sulphone of the poly(aryl ether ketone) that biphenyl contenting structure is added and biphenyl contenting structure does not reduce coating heat
The polyether sulphone of stability, the poly(aryl ether ketone) and biphenyl contenting structure that also demonstrate biphenyl contenting structure can be good at and polyether sulfone tree
Lipid phase is held.
Claims (8)
1. a kind of heat-resisting antiwear paint, which is characterized in that its component is calculated as by weight：10-15 parts of polyether sulfone, knot containing biphenyl
1-10 parts of the polyether sulphone of structure, 1-10 parts of the poly(aryl ether ketone) of biphenyl contenting structure, 1-3 parts of nanometer silicon carbide, micron order silicon carbide
3-5 parts, 1-3 parts of graphite, 1-5 parts of polytetrafluoroethylene (PTFE), 76~105 parts of double solvents；Wherein, the micron order silicon carbide grain size
It is 1~20 micron；The grain size of nanometer silicon carbide is 10~100 nanometers；
The skeleton symbol of the polyether sulfone is
N=50~500,
The skeleton symbol of the poly(aryl ether ketone) of the biphenyl contenting structure is
Wherein, n=200~800, x+y=1, x=0.1-1；Grain size is between 1~100 micron；
The skeleton symbol of the polyether sulphone of the biphenyl contenting structure is
Wherein, n=50~500, x+y=1, x=0.1-1.
2. heat-resisting antiwear paint according to claim 1, which is characterized in that the double solvents is by N ' N- dimethyl second
Amide 25-35, N-Methyl pyrrolidone 25-35, toluene 25-35 and 1-10 parts of compositions of butanone.
3. heat-resisting antiwear paint according to claim 1, which is characterized in that n=100 in polyether sulfone skeleton symbol~
180。
4. heat-resisting antiwear paint according to claim 1, which is characterized in that the structure of the poly(aryl ether ketone) of biphenyl contenting structure
N=500~800 in skeleton symbol.
5. heat-resisting antiwear paint according to claim 1, which is characterized in that the structure of the polyether sulphone of biphenyl contenting structure
N=100~300 in skeleton symbol.
6. heat-resisting antiwear paint according to claim 1, which is characterized in that the poly(aryl ether ketone) of the biphenyl contenting structure
X=0.1~0.3 in skeleton symbol；X=0.7~0.9 in the skeleton symbol of the polyether sulphone of the biphenyl contenting structure.
7. a kind of preparation method of heat-resisting antiwear paint as described in claim 1, is as follows：
Each component is calculated weighed by weight：10-15 parts of polyether sulfone, 1-10 parts of the polyether sulphone of biphenyl contenting structure, containing connection
1-10 parts of the poly(aryl ether ketone) of benzene structure, 1-3 parts of nanometer silicon carbide, 3-5 parts of micron order silicon carbide, 1-3 parts of graphite, polytetrafluoroethyl-ne
1-5 parts of alkene, 76~105 parts of double solvents；
N ' N- dimethylacetylamides, N-Methyl pyrrolidone, toluene, butanone are added in the dispersion tank for grinding stirring integrated machine；
Rotating speed is adjusted to 5000~7000r/min, nanometer silicon carbide is added, disperses 10-20min；Adjust rotating speed to 3000~
Micron order silicon carbide, graphite, polytetrafluoroethylene (PTFE) is added in 3500r/min, disperses 10-20min；Polyethersulfone resin, dispersion is added
10-20min；The poly(aryl ether ketone) of the polyether sulphone and biphenyl contenting structure of biphenyl contenting structure is added, redisperse is ground 4-8h, is prepared into
To heat-resisting antiwear paint.
8. a kind of coating processes of heat-resisting antiwear paint as described in claim 1, are as follows：Utilize aerial spraying
Method sprays to heat-resisting antiwear paint on the clean metal substrate by blasting treatment, and 10 are toasted at 100~120 DEG C
~30min is warming up at 360~390 DEG C and keeps obtaining heat resistant and wear resistant coating in 5~15 minutes.
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| CN114561149A (en) * | 2022-03-11 | 2022-05-31 | 江西师范大学 | Superhard polysilazane easy-to-clean coating and preparation method thereof |
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