CN109370415A - A kind of wear-resisting scratch resistance non-stick pan coating layer preparation method - Google Patents
A kind of wear-resisting scratch resistance non-stick pan coating layer preparation method Download PDFInfo
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- CN109370415A CN109370415A CN201811384931.0A CN201811384931A CN109370415A CN 109370415 A CN109370415 A CN 109370415A CN 201811384931 A CN201811384931 A CN 201811384931A CN 109370415 A CN109370415 A CN 109370415A
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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
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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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
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
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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
- C09D5/002—Priming 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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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
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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
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Abstract
A kind of wear-resisting scratch resistance non-stick pan coating layer preparation method, it is related to a kind of preparation method of coating for pot body with non-stick nature, including priming coat and finishing coat, the core material of silicon carbide and rare-earth hydroxide or rare earth oxide as priming coat and finishing coat is mainly chosen in priming coat and finishing coat.Compared with prior art, the beneficial effects of the present invention are: this method chooses the core material of silicon carbide and rare-earth hydroxide or rare earth oxide as priming coat and finishing coat, pass through spraying, the step of sintering plasticizing, obtains antistick layer in pot body, due to joined silicon carbide and rare-earth hydroxide or rare earth oxide in coating, the structural strength of coating itself is improved by silicon carbide and rare-earth hydroxide or rare earth oxide and to the adhesive force of matrix, silicon carbide and rare-earth hydroxide or rare earth oxide also significantly increase the wear resistance and hardness of coating simultaneously, wear resistance and hardness especially under hot environment.
Description
Technical field
It is especially a kind of wear-resisting, resistance to the present invention relates to a kind of preparation method of coating for pot body with non-stick nature
It scrapes, the coating with non-stick nature.
Background technique
People use always traditional metal pan cooking food for a long time, but food occurs often during the cooking process
Viscous pot phenomenon.This has not only broken up food shape, and the food of viscous pot is easy to happen and is charred, or even generates harmful substance, shadow
Ring human health.Furthermore it also increases cooker and scrubs difficulty, make troubles to culinary art.Therefore non-stick pan since the invention just as
Its easy cleaning, can easily decoct, cooked food and the performance of non-stick pan and like by public.Heat-proof non-stick coating is cooked a meal for pot etc.
Oneself has more than 30 years history so far on tool, although scientific research personnel develops a variety of paintings for being used to coat non-sticking lining over more than 30 years
Material, but its main component is identical, is all polytetrafluoroethylene (PTFE), a kind of high molecular material of synthesis.Polytetrafluoroethylene (PTFE) is by four
Perfluorinated polymers made of vinyl fluoride copolymerization.There is polytetrafluoroethylene (PTFE) crystallinity height, molecular weight not to have branch greatly, in molecule,
Fluorine atom is closely arranged in around C-C skeleton, and C-F bond energy height and fluorine atom play the design features such as shielding action to main chain, this
A little feature determines that it is small with coefficient of friction, does not absorb water, not viscous, non-ignitable, against weather is good, and use temperature range is wide and dielectric
The features such as haveing excellent performance, so that fluoro coatings have the good characteristic that other coating do not have.But fluoro coatings mechanical property is for example hard
Degree, abrasion resistance do not reach requirement, therefore, in early days by inorganic filler is added in fluoro coatings, to improve fluoro coatings coating
Wearability, but so far, acquired achievement is also less desirable.
A kind of novel painting made in the recent period with materials such as inorganic silica solution, Aluminum sol or wrong colloidal sols by SOL-GOL technology
Layer, compactness is good, extreme hardness, has excellent heat resistance and high glaze, multicolour, is similar to traditional pottery
Porcelain, therefore it is named as ceramic coating.Since its main composition material is inorganic matter, therefore the feature of environmental protection is excellent.Fluorine tree different from the past
Rouge non-viscous paint, is approved by users quickly.But with being widely applied, some shortcomings of such product is gradually shown
Expose.The coating is non-stick extremely of short duration first, and non-stick due to the coating is by a small amount of silicone oil, mainly through base
Silicone oil is come what is provided, though initial stage is non-stick preferably, in the long-term use, high temperature can make silicone oil fast decoupled, contacts salt
Class, acetate type are also such；The especially micro abrasion on surface makes silicone oil be detached from coating, leads to the disappearance non-stick of coating.Its
Secondary, although the coating hardness is higher, its toughness is poor, easily collapses porcelain in processing, transport and use process, leads to coating shedding,
It reduces the service life.In addition, the disadvantages of coating products belong to multicomponent system, and operating procedure is complex, and the shelf-life is shorter.
Summary of the invention
The present invention aiming at the shortcomings in the prior art, provides a kind of wear-resisting scratch resistance non-stick pan coating layer preparation method, we
Method chooses the core material of silicon carbide and rare-earth hydroxide or rare earth oxide as priming coat and finishing coat, passes through spray
The step of painting, sintering plasticizing, obtains antistick layer in pot body, due to joined silicon carbide and rare-earth hydroxide in coating
Or rare earth oxide, by silicon carbide and rare-earth hydroxide or rare earth oxide improve the structural strength of coating itself with
And the adhesive force to matrix, while silicon carbide and rare-earth hydroxide or rare earth oxide also significantly increase the resistance to of coating
Grind the wear resistance and hardness under performance and hardness, especially hot environment.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals: a kind of wear-resisting scratch resistance is not glued
Pot coating production, including the following steps: step A1: in parts by weight, weigh 15 parts~40 parts polyimide powders,
5 parts~25 parts polyether-ether-ketone powders, 5 parts~10 parts pps powders, 1 part~5 parts rare-earth hydroxides or rare earth oxide,
1 part~5 parts silicon carbide powders, 5 parts~30 parts modified vinylidene powder, 35 parts~75 parts deionized waters and 5 parts~25 parts are molten
Agent aid is as base coating material；Step B1: polyimide powder, polyether-ether-ketone powder, polyphenylene sulfide are added into deionized water
Ether powder and modified vinylidene powder, subsequent stirring at normal temperature 2H to 8H obtain priming coat mixing suspension；Step C1: the bottom of to
Rare-earth hydroxide or rare earth oxide and silicon carbide powder is added in coating mixing suspension, is then gradually heated up to 300 DEG C extremely
400 DEG C, while 4H to 8H is stirred, obtain priming coat mixing dirty solution；Step D1: solvent is added into priming coat mixing dirty solution
Priming coat mixed latex liquid is obtained after auxiliary agent；
Step A2: in parts by weight, 15 parts~40 parts polytetrafluorethylepowder powders, 1 part~5 parts silicon carbide powders, 1 part are weighed
~5 parts of rare-earth hydroxides or rare earth oxide, 5 parts~10 parts polyimide powders, 1 part~7 parts polyether-ether-ketone powders, 5 parts
~10 parts of pps powders, 5 parts~25 parts acrylic resins, 40 parts~95 parts ionized waters and 5 parts of 25 parts of solvents aids conducts
Topcoat material；Step B2: polytetrafluorethylepowder powder is added into deionized water, polyimide powder, polyether-ether-ketone powder, gathers
Diphenyl sulfide powder, acrylic resin, subsequent stirring at normal temperature 2H to 8H, obtain finishing coat mixing suspension；Step C2: to finishing coat
Rare-earth hydroxide or rare earth oxide and silicon carbide powder is added in mixing suspension, is then gradually heated up to 200 DEG C to 250
DEG C, while 2H to 12H is stirred, obtain finishing coat mixing dirty solution；Step D2: solvent is added into finishing coat mixing dirty solution and helps
Finishing coat mixed latex liquid is obtained after agent；
Step E: being made its surface without spot by applying part and carry out cleaning the pot body that sprays of needs, then to by apply part into
The coarse processing of row, so that it is coarse by part of the surface is applied, then make its surface without spot to by part progress secondary cleaning is applied again；Step
Rapid F: and then to by part uniformly coating base coat mixed latex liquid is applied, subsequently pot body is dried, 120 DEG C of drying temperature
~150 DEG C, drying time in 20min~30min, obtains priming coat dried base；Step G: uniform to priming coat dried base
Finishing coat mixed latex liquid is coated, subsequently pot body is dried, 120 DEG C~150 DEG C of drying temperature, drying time exists
20min~30min is then cooled to room temperature, subsequently heats pot body and is sintered plasticizing, be sintered plasticization temperature 300 DEG C~
370 DEG C, fusion time is completed pot body being put into chilling in cold water in 15min~25min, sintering plasticizing, then stands at least
For 24 hours, last pot body obtains non-sticking lining.
In above-mentioned technical proposal, it is preferred that in step A1, solvents aids include levelling agent, coalescing agent, defoaming agent,
Coupling agent, thickener, dispersing agent it is one or more.
In above-mentioned technical proposal, it is preferred that in step A2, solvents aids include levelling agent, coalescing agent, defoaming agent,
Coupling agent, thickener, dispersing agent, catalyst, surfactant and pigment it is one or more.
In above-mentioned technical proposal, it is preferred that in step A1 and step A2, rare-earth hydroxide is lanthanum hydroxide or hydrogen-oxygen
Change the one or more of cerium, rare earth oxide is the one or more of lanthana or cerium oxide.
In above-mentioned technical proposal, it is preferred that in step C1 and step C2, stirred by the way of ultrasonic wave stirring
It mixes.
In above-mentioned technical proposal, it is preferred that coarse to being carried out by painting part using ramming or blasting craft in step E
Processing.
In above-mentioned technical proposal, it is preferred that use spraying process by priming coat mixed latex liquid in step F and step G
It is coated in finishing coat mixed latex liquid by painting part.
In above-mentioned technical proposal, it is preferred that in step G, after chilling, first dry, then carry out again quiet to pot body
It sets.
The present invention is a kind of method for preparing non-stick pan coating layer, and non-stick pan coating layer is divided into priming coat and face in the method
Coating two parts.Prepare the mixed latex liquid of both coatings respectively first, then by the mixed latex liquid of both coatings according to
It is secondary to spray in pot body, antistick layer is formed in pot body by sintering and plastication.The present invention is improved by improving priming coat
With the adhesive force of matrix, the hardness and wear-resisting property of coating surface are improved by finishing coat.
Priming coat of the present invention include polyimides, polyether-ether-ketone, polyphenylene sulfide, rare-earth hydroxide or rare earth oxide,
Silicon carbide, modified vinylidene, deionized water and solvents aids.Polyphenylene sulfide at high temperature, meeting and metallic matrix, especially iron
Matrix reacts, and forms multicore macromolecule complex, can reinforce the combination degree of priming coat and matrix by this reaction, mention
The high binding force of coating and metallic matrix.Due to the characteristic of polyether-ether-ketone, itself has excellent adhesive force to matrix, and
And hardness with higher and good toughness and intensity.Likewise, polyimides and metal also have good adhesive force, this
Body also has excellent performance.With polyimides, polyether-ether-ketone, polyphenylene sulfide blended and formation copolymer in priming coat
Based on add modified vinylidene and solvents aids achieve the purpose that and matrix strength is adhered to.
Finishing coat of the present invention include polytetrafluoroethylene (PTFE), silicon carbide, rare-earth hydroxide or rare earth oxide, polyimides,
Polyether-ether-ketone, polyphenylene sulfide, acrylic resin, ionized water and solvents aids.It is auxiliary in finishing coat based on polytetrafluoroethylene (PTFE)
With polyimides, polyether-ether-ketone, the polyphenylene sulfide blended and copolymer that is formed, wherein polyimides, polyether-ether-ketone, polyphenylene sulfide
The copolymer that ether is blended and is formed can not only allow finishing coat to combine together with priming coat, greatly increase face binding force, also increase
The strong mechanical performance of finishing coat itself, higher than individual tetrafluoroethene coating hardness, polishing machine, more strength inhibits tetrafluoro
The explanation of ethylene at high temperature.Acrylic resin makes finishing coat volatilization when being sintered film forming leave away generated capillary effect
The gap that molten resin particle can be tensed allows entire finishing coat more rigid.
And the core technology of the application is then that nanoscale silicon carbide and rare-earth hydroxide or dilute are added in finishing coat
Native oxide.Silicon carbide belongs to covalent key compound, with material is hard, intensity is big, thermal conductivity coefficient is big, good thermal shock, resistance to height
The excellent high-temperature thermal stability performance such as warm, anti-oxidant, wear-resistant and anti-erosion.As additive be added into after finishing coat can and face
Certain active elements in coating in resin occur materialization and act on forming glue connection, can hinder in finishing coat certain small points in resin
The releasing of son, improves the solid content of resin in finishing coat, the bonded contact for increasing resin and other constituent elements in finishing coat is strong
Degree, silicon carbide also form homogenous network structure together with resin-bonded in finishing coat.When high temperature, still have in the resin after charing
Reinforce item silicon carbide to exist, silicon carbide plays the role of " rivet " in the resin of charred portion, hardness is allowed not change, and reduces tree
Brittleness after rouge charing.Since the thermal conductivity coefficient of silicon carbide is big, thermal expansion coefficient is small, improves coating entirety thermal conductivity, heat
It is good to lead effect, avoids resin caused by concentrating because of thermal stress and unevenly carbonizes, to improve the high-temperature oxidation resistance of resin
Can, and mechanical mechanics property also makes moderate progress.Due to silicon carbide excess or the larger finishing coat that will cause of silicon-carbide particle
Coefficient of friction increases, and in order to guarantee the new energy of finishing coat, the silicon carbide in finishing coat is all nano particle rank size, in this way
Would not Paratetrafluoroethylene obtain performance and impact.
When the oxide or hydroxide of rare earth are evenly dispersed in resin as dopant, since rare earth element has
There is unique electron configuration, is surface reactive material, there is chemical activity outstanding and excellent interface performance.It and many gold
Belong to and the changing value AG of the Gibbs free energy of nonmetallic materials is biggish negative value, there is chemical affinity outstanding.So
Its addition is conducive to interaction and wetting between each constituent element of resin between interface, and reaching makes entire coating system
In most stable state.When low temperature, the addition of rare earth element only serves the effect for improving resin compactness, does not change the mill of resin
Damage performance, at high temperature, due to can occur on the friction surface of the raisings coating of temperature it is a series of make to combine between atom constantly break
The variation of microstructure can occur for bad physicochemical change, coating surface substance.It is in particular in, coating surface mischmetal
In the lanthanum that contains, when Ce elements, the substances such as oxidation product La2O3, CeO2 when these element high temperature are hexagonal crystallographic texture, closely
It is similar to lamellar graphite, has lubricating action, and high-temperature oxidation resistance and greasy property are better than graphite, so addition rare earth
The wear-resisting rate of coating surface improves as the temperature rises, obtains when polytetrafluorethylecoatings coatings are in hot use state best
Abrasion resistant effect.
In order to guarantee priming coat and the mutual attachment of finishing coat and it is heated after deformation rate it is consistent, in priming coat
The oxide or hydroxide and silicon carbide of same additional proportion and roughly the same rare earth of finishing coat, the oxide of rare earth
Or hydroxide and silicon carbide can equally improve the performance of priming coat, so that priming coat obtains the binding force and heat more closed
Conductive performance.
Compared with prior art, the beneficial effects of the present invention are: this method choose silicon carbide and rare-earth hydroxide or
Core material of the rare earth oxide as priming coat and finishing coat is obtained not in pot body by spraying, being sintered the step of plasticizing
Adhesion coating passes through silicon carbide and rare earth due to joined silicon carbide and rare-earth hydroxide or rare earth oxide in coating
Hydroxide or rare earth oxide improve the structural strength of coating itself and the adhesive force to matrix, at the same silicon carbide and
Rare-earth hydroxide or rare earth oxide also significantly increase under the wear resistance and hardness of coating, especially hot environment
Wear resistance and hardness.
Specific embodiment
Present invention is further described in detail With reference to embodiment.
A kind of wear-resisting scratch resistance non-stick pan coating layer, including priming coat and finishing coat.Priming coat includes polyimides, polyethers ether
Ketone, polyphenylene sulfide, rare-earth hydroxide or rare earth oxide, silicon carbide, modified vinylidene, deionized water and solvents aids.
Wherein rare-earth hydroxide is the one or more of lanthanum hydroxide or cerium hydroxide, and rare earth oxide is lanthana or cerium oxide
It is one or more, it can be with single choice one kind when selection.Wherein being modified vinylidene is Kynoar, butyl acrylate, methyl-prop
The copolymer of olefin(e) acid first vinegar and acrylic based resin.Wherein solvents aids include levelling agent, coalescing agent, defoaming agent, coupling agent,
Thickener, dispersing agent it is one or more.Wherein polyimides, polyether-ether-ketone, polyphenylene sulfide and modified vinylidene are micron
The resin particle of grade, silicon carbide are nanoscale particle, and rare-earth hydroxide or rare earth oxide are micron particles.
Finishing coat includes polytetrafluoroethylene (PTFE), silicon carbide, rare-earth hydroxide or rare earth oxide, polyimides, polyethers ether
Ketone, polyphenylene sulfide, acrylic resin, ionized water and solvents aids.Wherein rare-earth hydroxide is lanthanum hydroxide or cerium hydroxide
It is one or more, rare earth oxide is the one or more of lanthana or cerium oxide, and when selection can be with single choice one kind.Solvent helps
Agent includes the one of levelling agent, coalescing agent, defoaming agent, coupling agent, thickener, dispersing agent, catalyst, surfactant and pigment
Kind is a variety of.Wherein polyimides, polyether-ether-ketone, polyphenylene sulfide and polytetrafluoroethylene (PTFE) are micron-sized resin particle, silicon carbide
For nanoscale particle, rare-earth hydroxide or rare earth oxide are micron particles.
The coupling agent is titanate coupling agent, specially NDZ-311W, NDZ-201, NDZ-101, NDZ-102,
One or more of NDZ-401 combination.The defoaming agent is polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene is poly-
The combination of one or more of oxygen propyl alcohol amidogen ether, polypropylene glycerol aether and polyoxyethylene polyoxypropylene glycerin ether.The stream
Flat agent is OP-10, AES, DBS, the combination of one or more of SDS, water-soluble silicon oil.The coalescing agent is alcohol ester ten
Two, one or more of diisopropanol adipate ester, Lauryl Alcohol ester combine.
A kind of wear-resisting scratch resistance non-stick pan coating layer preparation method, including the following steps: step A1: weigh polyimide powder
End, polyether-ether-ketone powder, pps powder, rare-earth hydroxide or rare earth oxide, silicon carbide powder, modified vinylidene
Powder, deionized water and solvents aids are as base coating material.Step B1: polyimide powder is added into deionized water, gathers
Ether ether ketone powder, pps powder and modified vinylidene powder, subsequent stirring at normal temperature 2H to 8H, it is outstanding to obtain priming coat mixing
Turbid.Mixing time increases with liquor capacity, until solution even suspension stirs 4H when in general liquid volume is moderate.
Agitating paddle can be used directly when stirring.Step C1: rare-earth hydroxide or rare earth oxide is added to priming coat mixing suspension
And silicon carbide powder, 300 DEG C to 400 DEG C are then gradually heated up to, while stirring 4H to 8H, obtain priming coat mixing dirty solution.
Mixing time increases with liquor capacity.Heating is long process, such as stirs 4H, then heating is to rise in 4H from room temperature
300 DEG C to 400 DEG C, general to rise to 300 DEG C, temperature both stops heating and stirring after reaching.In order to avoid mechanical stirring
When stirring equipment be attached to and profound stirring, when stirring, mainly uses ultrasonic wave agitating mode, and ultrasonic wave is adopted when stirring
It with agitating mode when breakpoint continous way, had both worked a period of time, and had then stopped a period of time, specific interval is needed according to practical life
Depending on production, it is however generally that be work 30S~60S, stop 15S to 45S.It can not only be stirred evenly, be made using ultrasonic wave stirring
Rare-earth hydroxide or rare earth oxide, silicon carbide powder are full and uniform is distributed in resin, moreover it is possible to greatly reduce super large point
The generation of subchain, avoids granular sensation.Step D1: priming coat mixing is obtained after solvents aids are added into priming coat mixing dirty solution
Latex solution；Solvents aids in the light of actual conditions add, and basic need includes levelling agent and coalescing agent, other are selectively added.
Step A2: polytetrafluorethylepowder powder, silicon carbide powder, rare-earth hydroxide or rare earth oxide, polyamides Asia are weighed
Amine powder, polyether-ether-ketone powder, pps powder, acrylic resin, ionized water and solvents aids are as topcoat material.Step
Rapid B2: polytetrafluorethylepowder powder, polyimide powder, polyether-ether-ketone powder, pps powder, third are added into deionized water
Olefin(e) acid resin, subsequent stirring at normal temperature 2H to 8H, obtains finishing coat mixing suspension.Mixing time increases with liquor capacity,
Until solution even suspension stirs 4H when in general liquid volume is moderate.Agitating paddle can be used directly when stirring.Step C2: to
Rare-earth hydroxide or rare earth oxide and silicon carbide powder is added in finishing coat mixing suspension, is then gradually heated up to 200 DEG C
To 250 DEG C, while 2H to 12H is stirred, obtains finishing coat mixing dirty solution.Mixing time increases with liquor capacity.Heating
Being long process, such as stirs 6H, then heating is to rise to 300 DEG C to 400 DEG C from room temperature in 6H, it is general to rise to 300 DEG C,
Temperature both stops heating and stirring after reaching.It is attached to and profound stirring in order to avoid stirring equipment when mechanical stirring,
Ultrasonic wave agitating mode is mainly used when stirring, agitating mode when using breakpoint continous way when ultrasonic wave stirs both had worked one section
Then time stops a period of time, specific interval needs depending on actual production, it is however generally that is work 30S~60S, stops
Only 15S to 45S.It can not only be stirred evenly using ultrasonic wave stirring, so that rare-earth hydroxide or rare earth oxide, silicon carbide
Powder is full and uniform to be distributed in resin, moreover it is possible to which the generation for greatly reducing supramolecular chain avoids granular sensation.Step D2: to face
Finishing coat mixed latex liquid is obtained after solvents aids are added in coating mixing dirty solution；Solvents aids in the light of actual conditions add,
Basic need includes levelling agent and coalescing agent, other are selectively added.
Step E: being made its surface without spot by applying part and carry out cleaning the pot body that sprays of needs, then to by apply part into
The coarse processing of row so that coarse by part of the surface is applied, it is however generally that using ramming or blasting craft to by apply part carry out it is coarse
Processing.Then make its surface without spot to by part progress secondary cleaning is applied again.Step F: by spraying process to by painting part
Uniform coating base coat mixed latex liquid, subsequently pot body is dried, 120 DEG C~150 DEG C of drying temperature, drying time exists
20min~30min obtains priming coat dried base.Step G: by spraying process to the uniform coated side of priming coat dried base
Coating mixed latex liquid, subsequently pot body is dried, 120 DEG C~150 DEG C of drying temperature, drying time 20min~
30min is then cooled to room temperature, subsequently heats pot body and is sintered plasticizing, is sintered plasticization temperature at 300 DEG C~370 DEG C, moulds
Change the time in 15min~25min, sintering plasticizing is completed for pot body to be put into chilling in cold water, after chilling, first dries to pot body
It is dry, it then stands at least for 24 hours, last pot body obtains non-sticking lining.
Embodiment 1: in parts by weight, priming coat includes 20 parts of polyimides, 10 parts of polyether-ether-ketones, 7 parts of polyphenylene sulfides, 1
Part lanthana, 1 part of silicon carbide, 5 parts of modified vinylidenes, 60 parts of deionized waters and 9 parts of solvents aids.Finishing coat includes 20 parts poly-
Tetrafluoroethene, 1 part of silicon carbide, 1 part of rare-earth hydroxide or rare earth oxide, 5 parts of polyimides, 3 parts of polyether-ether-ketones, 5 parts it is poly-
Diphenyl sulfide, 5 parts of acrylic resins, 55 parts of ionized waters and 15 parts of solvents aids.
Embodiment 2: in parts by weight, priming coat includes 30 parts of polyimides, 15 parts of polyether-ether-ketones, 8 parts of polyphenylene sulfides, 2
Part lanthana, 2 parts of silicon carbide, 12 parts of modified vinylidenes, 75 parts of deionized waters and 15 parts of solvents aids.Finishing coat includes 35 parts
Polytetrafluoroethylene (PTFE), 2 parts of silicon carbide, 2 parts of rare-earth hydroxides or rare earth oxide, 7 parts of polyimides, 7 parts of polyether-ether-ketones, 6 parts
Polyphenylene sulfide, 15 parts of acrylic resins, 75 parts of ionized waters and 20 parts of solvents aids.
Embodiment 3: in parts by weight, priming coat includes 25 parts of polyimides, 12 parts of polyether-ether-ketones, 7 parts of polyphenylene sulfides, 2
Part lanthana, 2 parts of silicon carbide, 8 parts of modified vinylidenes, 70 parts of deionized waters and 12 solvents aids.Finishing coat includes 30 parts poly-
Tetrafluoroethene, 2 parts of silicon carbide, 2 parts of rare-earth hydroxides or rare earth oxide, 6 parts of polyimides, 6 parts of polyether-ether-ketones, 6 parts it is poly-
Diphenyl sulfide, 10 parts of acrylic resins, 70 parts of ionized waters and 12 parts of solvents aids.
Embodiment 4: in parts by weight, priming coat includes 25 parts of polyimides, 12 parts of polyether-ether-ketones, 7 parts of polyphenylene sulfides, 2
Part cerium oxide, 2 parts of silicon carbide, 8 parts of modified vinylidenes, 70 parts of deionized waters and 12 solvents aids.Finishing coat includes 30 parts poly-
Tetrafluoroethene, 2 parts of silicon carbide, 2 parts of rare-earth hydroxides or rare earth oxide, 6 parts of polyimides, 6 parts of polyether-ether-ketones, 6 parts it is poly-
Diphenyl sulfide, 10 parts of acrylic resins, 70 parts of ionized waters and 12 parts of solvents aids.
Embodiment 5: in parts by weight, priming coat includes 25 parts of polyimides, 12 parts of polyether-ether-ketones, 7 parts of polyphenylene sulfides, 1
Part cerium oxide, 1 part of silicon carbide, 8 parts of modified vinylidenes, 70 parts of deionized waters and 12 solvents aids.Finishing coat includes 30 parts poly-
Tetrafluoroethene, 2 parts of silicon carbide, 2 parts of rare-earth hydroxides or rare earth oxide, 6 parts of polyimides, 6 parts of polyether-ether-ketones, 6 parts it is poly-
Diphenyl sulfide, 10 parts of acrylic resins, 70 parts of ionized waters and 12 parts of solvents aids.
Embodiment 6: in parts by weight, priming coat includes 25 parts of polyimides, 12 parts of polyether-ether-ketones, 7 parts of polyphenylene sulfides, 2
Part lanthanum hydroxide, 2 parts of silicon carbide, 8 parts of modified vinylidenes, 70 parts of deionized waters and 12 solvents aids.Finishing coat includes 30 parts
Polytetrafluoroethylene (PTFE), 2 parts of silicon carbide, 2 parts of rare-earth hydroxides or rare earth oxide, 6 parts of polyimides, 6 parts of polyether-ether-ketones, 6 parts
Polyphenylene sulfide, 10 parts of acrylic resins, 70 parts of ionized waters and 12 parts of solvents aids.
Embodiment 7: in parts by weight, priming coat includes 26 parts of polyimides, 11 parts of polyether-ether-ketones, 7 parts of polyphenylene sulfides, 2
Part cerium hydroxide, 1 part of silicon carbide, 8 parts of modified vinylidenes, 70 parts of deionized waters and 12 solvents aids.Finishing coat includes 32 parts
Polytetrafluoroethylene (PTFE), 2 parts of silicon carbide, 2 parts of rare-earth hydroxides or rare earth oxide, 6 parts of polyimides, 6 parts of polyether-ether-ketones, 6 parts
Polyphenylene sulfide, 10 parts of acrylic resins, 70 parts of ionized waters and 12 parts of solvents aids.
Embodiment 8: in parts by weight, priming coat includes 25 parts of polyimides, 12 parts of polyether-ether-ketones, 7 parts of polyphenylene sulfides, 1
Part cerium hydroxide, 2 parts of silicon carbide, 8 parts of modified vinylidenes, 70 parts of deionized waters and 12 solvents aids.Finishing coat includes 35 parts
Polytetrafluoroethylene (PTFE), 2 parts of silicon carbide, 2 parts of rare-earth hydroxides or rare earth oxide, 5 parts of polyimides, 6 parts of polyether-ether-ketones, 6 parts
Polyphenylene sulfide, 6 parts of acrylic resins, 67 parts of ionized waters and 10 parts of solvents aids.
Embodiment 9: in parts by weight, priming coat includes 22 parts of polyimides, 10 parts of polyether-ether-ketones, 7 parts of polyphenylene sulfides, 2
Part lanthanum hydroxide, 2 parts of silicon carbide, 8 parts of modified vinylidenes, 70 parts of deionized waters and 12 solvents aids.Finishing coat includes 30 parts
Polytetrafluoroethylene (PTFE), 2 parts of silicon carbide, 2 parts of rare-earth hydroxides or rare earth oxide, 6 parts of polyimides, 6 parts of polyether-ether-ketones, 6 parts
Polyphenylene sulfide, 10 parts of acrylic resins, 75 parts of ionized waters and 12 parts of solvents aids.
Embodiment 10: in parts by weight, priming coat includes 23 parts of polyimides, 11 parts of polyether-ether-ketones, 7 parts of polyphenylene sulfides, 2
Part lanthanum hydroxide, 2 parts of silicon carbide, 8 parts of modified vinylidenes, 70 parts of deionized waters and 12 solvents aids.Finishing coat includes 36 parts
Polytetrafluoroethylene (PTFE), 2 parts of silicon carbide, 2 parts of rare-earth hydroxides or rare earth oxide, 6 parts of polyimides, 6 parts of polyether-ether-ketones, 6 parts
Polyphenylene sulfide, 10 parts of acrylic resins, 75 parts of ionized waters and 12 parts of solvents aids.
Performance test is done to embodiment 3 to the resulting antistick layer of embodiment 10.Wearability is past for measured workpiece to be fixed on
On multiple bracket, and grinding pad is placed on antistick layer, the household washing liquid lubricant coating surface for being 5g/L with 50m1 concentration.It keeps
Grinding pad is fixed, allows non-sticking lining and grinding pad friction by the way that reciprocating carriage is mobile, does not have 500 replacement grinding pads, up to
Antistick layer is destroyed exposing matrix.
Table 1 is embodiment 3 to 10 performance table of embodiment.
Claims (8)
1. a kind of wear-resisting scratch resistance non-stick pan coating layer preparation method, it is characterised in that including the following steps:
Step A1: in parts by weight, weigh 15 parts~40 parts polyimide powders, 5 parts~25 parts polyether-ether-ketone powders, 5 parts~
10 parts of pps powders, 1 part~5 parts rare-earth hydroxides or rare earth oxide, 1 part~5 parts silicon carbide powders, 5 parts~30
The modified vinylidene powder of part, 35 parts~75 parts deionized waters and 5 parts~25 parts solvents aids are as base coating material；
Step B1: polyimide powder, polyether-ether-ketone powder, pps powder and modified inclined fluorine second are added into deionized water
Alkene powder, subsequent stirring at normal temperature 2H to 8H, obtains priming coat mixing suspension；
Step C1: being added rare-earth hydroxide or rare earth oxide and silicon carbide powder to priming coat mixing suspension, then by
300 DEG C to 400 DEG C are gradually heated up to, while stirring 4H to 8H, obtains priming coat mixing dirty solution；
Step D1: priming coat mixed latex liquid is obtained after solvents aids are added into priming coat mixing dirty solution；
Step A2: in parts by weight, 15 parts~40 parts polytetrafluorethylepowder powders, 1 part~5 parts silicon carbide powders, 1 part~5 are weighed
Part rare-earth hydroxide or rare earth oxide, 5 parts~10 parts polyimide powders, 1 part~7 parts polyether-ether-ketone powders, 5 parts~10
Part pps powder, 5 parts~25 parts acrylic resins, 40 parts~95 parts ionized waters and 5 parts of 25 parts of solvents aids are applied as face
Layer material；
Step B2: polytetrafluorethylepowder powder, polyimide powder, polyether-ether-ketone powder, polyphenylene sulfide are added into deionized water
Powder, acrylic resin, subsequent stirring at normal temperature 2H to 8H, obtain finishing coat mixing suspension；
Step C2: being added rare-earth hydroxide or rare earth oxide and silicon carbide powder to finishing coat mixing suspension, then by
200 DEG C to 250 DEG C are gradually heated up to, while stirring 2H to 12H, obtains finishing coat mixing dirty solution；
Step D2: finishing coat mixed latex liquid is obtained after solvents aids are added into finishing coat mixing dirty solution；
Step E: being carried out cleaning by painting part to the pot body that needs spray makes its surface without spot, then to thick by part progress is applied
Rough processing, so that it is coarse by part of the surface is applied, then make its surface without spot to by part progress secondary cleaning is applied again；
Step F: and then to by part uniformly coating base coat mixed latex liquid is applied, subsequently pot body is dried, dry temperature
120 DEG C~150 DEG C of degree, drying time in 20min~30min, obtains priming coat dried base；
Step G: uniformly coating finishing coat mixed latex liquid to priming coat dried base, subsequently pot body be dried, dry
120 DEG C~150 DEG C of temperature, drying time in 20min~30min, is then cooled to room temperature, subsequently heats pot body and is sintered
Plasticizing, sintering plasticization temperature at 300 DEG C~370 DEG C, in 15min~25min, sintering plasticizing complete for pot body to be put by fusion time
Chilling in cold water is then stood at least for 24 hours, and last pot body obtains non-sticking lining.
2. a kind of wear-resisting scratch resistance non-stick pan coating layer preparation method according to claim 1, which is characterized in that in step A1
In, solvents aids include levelling agent, coalescing agent, defoaming agent, coupling agent, thickener, dispersing agent it is one or more.
3. a kind of wear-resisting scratch resistance non-stick pan coating layer preparation method according to claim 1, which is characterized in that in step A2
In, solvents aids include levelling agent, coalescing agent, defoaming agent, coupling agent, thickener, dispersing agent, catalyst, surfactant
It is one or more with pigment.
4. a kind of wear-resisting scratch resistance non-stick pan coating layer preparation method according to claim 1, which is characterized in that in step A1 and
In step A2, rare-earth hydroxide is the one or more of lanthanum hydroxide or cerium hydroxide, and rare earth oxide is lanthana or oxygen
Change the one or more of cerium.
5. a kind of wear-resisting scratch resistance non-stick pan coating layer preparation method according to claim 1, which is characterized in that in step C1 and
In step C2, it is stirred by the way of ultrasonic wave stirring.
6. a kind of wear-resisting scratch resistance non-stick pan coating layer preparation method according to claim 1, which is characterized in that in step E,
Coarse processing is carried out to by part is applied using ramming or blasting craft.
7. a kind of wear-resisting scratch resistance non-stick pan coating layer preparation method according to claim 1, which is characterized in that in step F and
Priming coat mixed latex liquid and finishing coat mixed latex liquid are coated in by painting part using spraying process in step G.
8. a kind of wear-resisting scratch resistance non-stick pan coating layer preparation method according to claim 1, which is characterized in that in step G,
After chilling, first pot body is dried, is then stood again.
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| CN114618761A (en) * | 2022-03-21 | 2022-06-14 | 刘政明 | Method for improving wear resistance and high temperature resistance of metal material |
| CN114773928A (en) * | 2022-04-15 | 2022-07-22 | 临沂金湖彩涂铝业有限公司 | Water-based paint for color-coated aluminum coils and preparation method thereof |
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Application publication date: 20190222 |