CN109984618A - A kind of non-sticking cooking utensils and preparation method thereof of resistance to spades - Google Patents
A kind of non-sticking cooking utensils and preparation method thereof of resistance to spades Download PDFInfo
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- CN109984618A CN109984618A CN201711479533.2A CN201711479533A CN109984618A CN 109984618 A CN109984618 A CN 109984618A CN 201711479533 A CN201711479533 A CN 201711479533A CN 109984618 A CN109984618 A CN 109984618A
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- hard
- antistick layer
- alloy
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
- A47J36/025—Vessels with non-stick features, e.g. coatings
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
- A47J36/04—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay the materials being non-metallic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
- B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/123—Spraying molten metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
- B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
- B22F2007/042—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal characterised by the layer forming method
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Cookers (AREA)
Abstract
The invention discloses a kind of non-sticking cooking utensils and preparation method thereof of resistance to spades, including substrate and positioned at the hard antistick layer of substrate surface, which is characterized in that the numberical range of the porosity K of the hard antistick layer are as follows: 2%≤K≤40%.The preparation method includes forming a pot embryo；Hard antistick layer is formed on pot embryo surface, wherein the numberical range of the porosity K of the hard antistick layer are as follows: 2%≤K≤40%.Non-sticking cooking utensils of the invention can match spades, be capable of providing permanent non-adhesion behavior, and very environmentally friendly heavy metal free pollution.
Description
Technical field
The present invention relates to cooker fields, in particular to a kind of non-sticking cooking utensils and preparation method thereof of resistance to spades.
Background technique
There are two main classes for the non-stick pan of market sale at present, and one kind is spraying polytetrafluoroethylene (PTFE) (PTFE) coating non-stick pan,
Another kind of is spraying collosol and gel (SOL-GEL) ceramic coating.The surface covering of polytetrafluoroethylene (PTFE) (PTFE) coating non-stick pan is
PTFE macromolecule material, though its is non-stick good, PTFE polymeric coating layer hardness is low, easy to aging, after a period of use, applies
Layer is easy to appear scuffing and falls off, and decline non-stick is obvious after aging, so that the not viscous service life is shorter.Collosol and gel (SOL-GEL)
Hardness height, the surface better mechanical property of ceramic coating non-stick pan, but caused due to the material self-characteristic of such non-stick pan
Such non-stick pan temperature tolerance is poor, and normal culinary art the problem of rapid decrease non-stick will occur when using within a short period of time,
It is shorter so as to cause the not viscous service life.And above two non-stick pan cannot use spades, not meet the culinary art habit of Chinese.
Summary of the invention
For this purpose, the present invention provides a kind of non-sticking cooking utensils and preparation method thereof of resistance to spades, to try hard to solve or at least alleviate
The problem of existing above.
According to an aspect of the present invention, a kind of non-sticking cooking utensils of resistance to spades are provided, including substrate and are located at substrate surface
Hard antistick layer, which is characterized in that the numberical range of the porosity K of the hard antistick layer are as follows: 2%≤K≤40%.
Optionally, non-sticking cooking utensils according to the present invention, which is characterized in that the numberical range of the porosity K of hard antistick layer
Are as follows: 5%≤K≤20%.
Optionally, non-sticking cooking utensils according to the present invention, which is characterized in that the raw material of hard antistick layer are iron and its conjunction
Gold, zinc and its alloy, titanium and its alloy, chromium and its alloy, nickel and its alloy, cobalt and its alloy, copper and its alloy, aluminium and its conjunction
Gold, zirconium and its alloy, yttrium and its alloy, molybdenum and its alloy, vanadium and its alloy, titanium carbide, titanium nitride, titanium diboride, silicon carbide,
One of silicon nitride, boron nitride, aluminium nitride are a variety of.
Optionally, non-sticking cooking utensils according to the present invention, which is characterized in that being also filled in the hole of hard antistick layer has
High molecular material non-stick.
Optionally, non-sticking cooking utensils according to the present invention, which is characterized in that high molecular material be dimethyl siloxane, PTFE,
One of PFA, FEP, ETFE or a variety of.
According to another aspect of the present invention, a kind of side of non-sticking cooking utensils for preparing resistance to spades as described above is provided
Method, this method comprises: forming pot embryo；And hard antistick layer, wherein the porosity K of hard antistick layer are formed on pot embryo surface
Numberical range are as follows: 2%≤K≤40%.
Optionally, preparation method according to the present invention, which is characterized in that the step of hard antistick layer is formed on pot embryo surface
It suddenly include: that antistick layer raw material are encased in spray-painting gun container；At the preset distance apart from pot embryo surface, take it is predetermined
Sample presentation amount and predetermined compressed air pressure, specific gas is passed through into spray gun；And utilize spray-painting gun by antistick layer raw material
Melting, and the coating raw material are sprayed on the pot embryo surface under the air-flow of compressed air, described in the pot embryogenesis
Hard antistick layer.
Optionally, preparation method according to the present invention, which is characterized in that by the workpiece with above-mentioned hard antistick layer in height
" locked in " operation is carried out in the environment of molecular material, to coat polymer material layer, the high molecular material on hard antistick layer
For one of dimethyl siloxane, PTFE, PFA, FEP, ETFE or a variety of.
Optionally, preparation method according to the present invention, which is characterized in that the " locked in " operation will be comprising steps of will have above-mentioned
The workpiece of hard antistick layer carries out the pre-treatment of cleaning, drying；The workpiece of pre-treatment is immersed in what the high molecular material was formed
In solution, the predetermined time is impregnated；And the workpiece after immersion is taken out and is cooled to room temperature.
Optionally, preparation method according to the present invention, preset distance be 350mm~400mm, predetermined sample presentation amount be 20~
30g/min, compressed air are oxygen/acetylene gas mixture, and air pressure ratio is 2:5, and predetermined compressed air pressure is 0.4Mpa, leaching
The bubble time is 5min.
According to the technique and scheme of the present invention, a kind of non-sticking cooking utensils of resistance to spades are provided, which can pass through example
If the mode of thermal spraying or powder metallurgy forms hard antistick layer, which is mainly dropped by creating suitable external condition
Low-surface-energy does not glue effect to realize.Moreover, the raw material of antistick layer can select metal or ceramic raw material, thus real
The now higher hardness of final film layer, can satisfy the use of metal slice completely.The present invention passes through to the multi-level of preparation process
Reasonable analysis is prepared for the hard antistick layer of Performance optimization, by the cooker that this method is prepared realize resistance to spades performance,
The lasting multiple performances such as non-adhesion behavior and environmental-protecting performance, to greatly improve user experience.
Detailed description of the invention
To the accomplishment of the foregoing and related purposes, certain illustrative sides are described herein in conjunction with following description and drawings
Face, these aspects indicate the various modes that can practice principles disclosed herein, and all aspects and its equivalent aspect
It is intended to fall in the range of theme claimed.Read following detailed description in conjunction with the accompanying drawings, the disclosure it is above-mentioned
And other purposes, feature and advantage will be apparent.Throughout the disclosure, identical appended drawing reference generally refers to identical
Component or element.
Fig. 1 shows the structural schematic diagram of the non-sticking cooking utensils 100 of resistance to spades according to an embodiment of the invention；
Fig. 2 shows the film layer structure schematic diagrames of hard antistick layer according to an embodiment of the invention；
Fig. 3 shows the process of the preparation method 300 of the non-sticking cooking utensils 100 of resistance to spades according to an embodiment of the invention
Figure；
Fig. 4 shows the flow chart according to an embodiment of the invention that hard antistick layer is formed in pot embryo surface；And
Fig. 5 shows the flow chart according to an embodiment of the invention that " locked in " operation is carried out to hard antistick layer.
Specific embodiment
The exemplary embodiment of the disclosure is described in more detail below.Although the example of the disclosure is described hereinafter
Property embodiment, it being understood, however, that may be realized in various forms the disclosure and should not be limited by the embodiments set forth herein.
On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be complete by the scope of the present disclosure
It is communicated to those skilled in the art.
As it was noted above, more or less there is certain functional defect, therefore the present invention in non-sticking cooking utensils in the prior art
Propose a kind of more optimized non-sticking cooking utensils of performance.Fig. 1 shows the not viscous of resistance to spades according to an embodiment of the invention and cooks a meal
The structural schematic diagram of tool 100, as shown in Figure 1, the cooker 100 includes substrate 120 and the hard antistick layer positioned at substrate surface
140.Wherein, substrate 120 is usually cooker main body, and such as when cooker is pot, substrate is pot body.Substrate 120 can be aluminium conjunction
At least one of auri material, cast aluminium substrate, alloy steel substrate, cast iron base material and stainless steel substrate.Hard antistick layer 140 both may be used
Positioned at substrate inner surface, substrate outer surface may be alternatively located at, can realize resistance to spades performance and resistance to cleaning performance.Hard antistick layer
The numberical range of 140 porosity K are as follows: 2%≤K≤40%.Here, mainly consider when porosity is less than 2%, to not gluing
Property is without being obviously improved；And when being greater than 40%, film layer structure intensity is inadequate, is unfavorable for everyday home use.In order to further protect
The more optimized of its performance is demonstrate,proved, porosity K can choose the range of 5≤K≤20%, such as can choose 10%.It should be appreciated that root
There can also be a common cooker structure of cookware handle (such as panhandle) according to the non-sticking cooking utensils 100 of resistance to spades of the invention, in Fig. 1 only
Cooker main part illustratively is shown, other parts are temporarily not shown.
Hard antistick layer of the invention is not glued by drop low-surface-energy to realize mainly, and powder particle and powder are passed through
Fusion, superposition are formed between grain.Through dynamics it is found that under certain external condition, powder particle can be by bonding, sintering neck
It grows up, the closed pore stage；The power provided by the external world is enough to make to start to melt between particle when being combined into sintering neck length big stage,
Will generate integration region, atomic arrangement is finer and close before relatively merging in integration region crystal structure, produce surface segregation,
Recombinant type surface reconstruction.Wherein, surface segregation makes surface texture different from internal crystal structure, and surface has the microcosmic knot of nanoscale
Structure is also easy to produce adsorption effect, adsorbs molecule, impurity etc. in air, makes surface in polarity, therefore can drop low-surface-energy.Surface
It reconstructs since Atomic coordinate number is reduced on its surface, so the atom on surface lacks adjacent atom, three-dimensional can be lost
Under configuration state between atom active force balance.In this way, relaxation must occur for those atoms being on surface after dissociation,
It to seek new equilbrium position, thus can reconstruct to reduce the energy on surface, equally reduce surface energy.Meanwhile when outer
When boundary is short of power so that particle proceeds to completion fusion, hole will be generated, when surface pore reaches certain amount grade, together
Sample can generate adsorption effect, drop low-surface-energy.
The raw material of hard antistick layer can be metal material or ceramic material, the final film hardness formed in this way compared with
Height can satisfy the use of metal slice completely.According to one embodiment, raw material can be selected iron and its alloy, zinc and its alloy,
Titanium and its alloy, chromium and its alloy, nickel and its alloy, cobalt and its alloy, copper and its alloy, aluminium and its alloy, zirconium and its alloy,
Yttrium and its alloy, molybdenum and its alloy, vanadium and its alloy, titanium carbide, titanium nitride, titanium diboride, silicon carbide, silicon nitride, boron nitride,
One of aluminium nitride is a variety of；Material forms can be silk material, powder, cored silk material etc..Specifically, can select iron and its
One of alloy, titanium and its alloy, zirconium and its alloy, titanium carbide, titanium nitride are a variety of, are not glued with prepared by these types of material
Layer is more able to achieve more preferably cooker hardness, to improve the service life of resistance to spades.
In addition, the raw material of hard antistick layer can select silk material form or powder type etc..Wherein powder particle partial size
d1Numberical range be 0.5um≤d1≤ 100um, the diameter d of silk material2Numberical range be 0.1mm≤d2≤4mm.Here, main
If considering the more difficult preparation of the diameter powders of the size when grain diameter is less than 0.5um；When grain diameter is greater than 100um,
On the one hand the intergranular energy of fusion required for is larger to lead to higher cost, on the other hand formed the final roughness of antistick layer compared with
Greatly, resistance is larger during stir-frying, influences consumer's usage experience, and final granule is larger will lead to film layer entirety porosity
It reduces, finally influences non-adhesion behavior.And for silk material, when silk material diameter is less than 0.1mm, silk material higher cost；Work as silk
It when material diameter is greater than 4mm, will lead to that pore size is larger, and porosity is lower, influence non-adhesion behavior.It is final in order to further increase
40um≤d may be selected in the not viscous and resistance to spades performance of hard antistick layer, powder particle particle size range1≤ 100um, such as can be
60um；The diameter range of silk material can choose 0.5mm≤d2≤ 1.5mm, such as can be 1mm.
In general, can be using thermal spraying or powder metallurgy mode by above-mentioned metal material or ceramic material deposits to cooker
Substrate surface.According to the difference of selected raw material, different process modes can choose to form hard antistick layer, example
Such as, when selected materials fusing point is higher (such as silicon nitride, titanium carbide), plasma spraying method can be used；When for iron powder,
Solid-phase sintering method can be directlyed adopt.
Fig. 2 shows the film layer structure schematic diagram of hard antistick layer according to an embodiment of the invention, wherein black region
Domain is hard coat, and white area is hole.According to one embodiment, the numberical range of the hole partial size R of hard antistick layer is
0.01≤R≤20um.Here, mainly consider when hole partial size be less than 0.01um when will lead to be formed film layer power consumption consumption compared with
Greatly, higher cost.When hole partial size is greater than 20um, one side film layer hole partial size is larger to be obviously improved nothing non-stick, in addition
On the one hand residue in kind is easily inserted in biggish hole partial size, easy cleaning, does not influence usage experience.In order to further increase most
The performance of whole hard antistick layer, hole partial size can choose 1≤R≤10um, such as can be 5um.
According to one embodiment of present invention, the numberical range of the thickness D of hard antistick layer is 0.5≤D≤200um.This
In, mainly consider that the particle number of plies accumulated is less, therefore is difficult to realize in technique when thickness is less than 0.5um；Simultaneously
Relatively thin film layer can not sterically form linking between particle and particle well, therefore also can be poor on film strength.
And when thickness is greater than 200um, used powder material is more, will lead to higher cost, and to final non-stick and hard
Degree nothing is obviously improved.In order to further increase the performance of final hard antistick layer, thickness can choose 30≤D≤120um,
Such as it can be 80um.
Further, according to actual needs, it can also be inserted in the hole of hard antistick layer some with non-stick
High molecular material is to increase not viscous usage experience non-stick and user.Wherein, high molecular material be dimethyl siloxane,
One of PTFE, PFA, FEP, ETFE or a variety of.Selected high molecular material itself has certain non-stick, therefore works as it
It, can be with the non-stick of lifting workpieces entirety when as blocking agent in hole.
According to another aspect of the present invention, a kind of non-sticking cooking utensils 100 for preparing resistance to spades as described above are additionally provided
Preparation method 300, Fig. 3 shows the flow chart of the preparation method 300.As shown in figure 3, this method starts from step S310.
In step s310, pot embryo is formed, wherein the forming method of pot embryo can use existing any technology, the present invention couple
This is with no restriction.Moreover, according to one embodiment of present invention, before step S310, can also first be carried out to pot embryo surface
The pretreatment operations such as cleaning and roughing in surface.
Then, in step s 320, hard antistick layer is formed on pot embryo surface.Wherein, the hole of the hard antistick layer
Rate is 2%≤K≤40%, further can be 5%≤K≤20%.
According to still another embodiment of the invention, after step S320, can also will have above-mentioned in step S330
The workpiece of hard antistick layer carries out " locked in " operation in the environment of high molecular material, to coat macromolecule on the hard antistick layer
Material layer.Wherein, high molecular material can be one of dimethyl siloxane as shown above, PTFE, PFA, FEP, ETFE
Or it is a variety of.
Fig. 4 shows the flow chart according to an embodiment of the invention that hard antistick layer is formed on pot embryo surface, i.e.,
The detail flowchart of step S320.As shown in figure 4, this method starts from step S321.
In step S321, antistick layer raw material are encased in spray-painting gun container.Wherein, antistick layer raw material can be with
It is titanium valve, partial size d1It can choose 40~70um, i.e. 40um≤d1≤70um。
Then, in step S322, at the preset distance apart from pot embryo surface, predetermined sample presentation amount and predetermined compression are taken
Air pressure is passed through specific gas into spray gun.Wherein, preset distance can be 350mm~400mm, and predetermined sample presentation amount can be with
For 20~30g/min, spray time 120s, compressed air can be oxygen/acetylene gas mixture, and air pressure ratio is 2:5, in advance
Determining compressed air pressure can be 0.4Mpa.
Then, in step S323, antistick layer raw material are melted using spray-painting gun, and under the air-flow of compressed air
The coating raw material are sprayed on a pot embryo surface, to form the hard antistick layer on this pot of embryo.
Fig. 5 shows the flow chart according to an embodiment of the invention that " locked in " operation is carried out to hard antistick layer, that is, walks
The detail flowchart of rapid S330.As shown in figure 5, this method starts from step S331.
In step S331, the pre-treatment of cleaning, drying will be carried out with the workpiece of above-mentioned hard antistick layer.Specifically, clearly
Operation is washed to clean up the workpiece that deposited hard antistick layer, workpiece here is regarded as in pot embryo surface
It deposited the cooker of hard antistick layer.Drying operation be will the workpiece that the clean up continuous drying in drying oven, such as can be with
The continuous drying 20min in 120 degree of drying ovens, naturally it is also possible to select other temperature values or time numerical value, the present invention is to this
It is not construed as limiting.
Then, in step S332, the workpiece of the pre-treatment is immersed in the solution that the high molecular material is formed, leaching
Steep the predetermined time.In general, the workpiece done after baking can be immersed in macromolecule material solution immediately.In addition, high molecular material
Solution can be for example PTFE emulsion, which is 600 and solid volume percentage is 22%；Soaking time can be
5min, naturally it is also possible to be other numerical value, this is not limited by the present invention.
Then, in step S333, the workpiece after immersion is taken out and is cooled to room temperature.It specifically, can will be after immersion
Workpiece is cooled to room temperature after heating a period of time in heating furnace.Wherein, the heating operation in heating furnace can add for gradient
Heat.Heated for example, the workpiece after immersion is placed in 400 degree of heating furnaces, first room temperature to 380 degree low-temperature zone heating 10~
15min, then the high temperature section at 380 degree or more heats 3-5min, and heats maximum temperature and be no more than 430 degree.It can certainly
Other gradient-heated modes are selected, this is not limited by the present invention.
According to one embodiment, after step S333, the post-processing operations such as polishing and refine can also be carried out.Wherein,
Polishing operation is processed by shot blasting to the workpiece being cooled to room temperature, to remove the coating for overlaying on hard antistick layer surface.Here,
The workpiece can be fixed on polishing clamp, be processed by shot blasting using 3M 96# scouring pad.Conditioning operation is using cotton piece buff
Refine is carried out to the inner surface after polishing, keeps inner surface more beautiful.
According to the technique and scheme of the present invention, a kind of non-sticking cooking utensils of resistance to spades are provided, which can pass through example
If the mode of thermal spraying or powder metallurgy forms hard antistick layer, which is mainly dropped by creating suitable external condition
Low-surface-energy does not glue effect to realize.Moreover, the raw material of antistick layer can select metal or ceramic raw material, thus real
The now higher hardness of final film layer, can satisfy the use of metal slice completely.The present invention passes through to the multi-level of preparation process
Reasonable analysis is prepared for the hard antistick layer of Performance optimization, by the cooker that this method is prepared realize resistance to spades performance,
The lasting multiple performances such as non-adhesion behavior and environmental-protecting performance, to greatly improve user experience.
A6, the non-sticking cooking utensils as described in A3, wherein the raw material of the hard antistick layer are powder particle form, described
The partial size d of powder particle1Numberical range be 0.5um≤d1≤100um。
A7, the non-sticking cooking utensils as described in A6, wherein the particle size range of the powder particle is 40um≤d1≤100um。
A8, the non-sticking cooking utensils as described in A3, wherein the raw material of the hard antistick layer are silk material form, the silk material
Diameter d2Numberical range be 0.1mm≤d2≤4mm。
A9, the non-sticking cooking utensils as described in A8, wherein the diameter d of the silk material2Numberical range be 0.5mm≤d2≤
1.5mm。
A10, non-sticking cooking utensils as described in claim 1, wherein the numerical value model of the hole partial size R of the hard antistick layer
It encloses for 0.01≤R≤20um.
A11, the non-sticking cooking utensils as described in A10, wherein the numberical range of the thickness D of the hard antistick layer is 0.5≤D
≤200um。
A12, the non-sticking cooking utensils as described in A11, wherein the numberical range of the hole partial size R of the hard antistick layer be 1≤
The numberical range of R≤10um, thickness D are 30≤D≤120um.
B18, the preparation method as described in B16, wherein antistick layer raw material are titanium valve, the partial size of the titanium valve is 40~
70um；Macromolecule material solution is PTFE emulsion, and viscosity is 600 and solid volume percentage is 22%.
B19, the preparation method as described in B16, wherein further include that cleaning and table are carried out to pot embryo surface before spraying operation
The pretreatment operation of face roughening, and the post-processing operation that workpiece surface is polished after " locked in " operation.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, knot is not been shown in detail
Structure and technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single embodiment sometimes
Or in descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. claimed
Invention is required than feature more features expressly recited in each claim.More precisely, as following right is wanted
As asking book to reflect, inventive aspect is all features less than single embodiment disclosed above.Therefore, it then follows specific
Thus claims of embodiment are expressly incorporated in the specific embodiment, wherein each claim itself is as this
The separate embodiments of invention.
Those skilled in the art should understand that the module of the equipment in example disclosed herein or unit or groups
Part can be arranged in equipment as depicted in this embodiment, or alternatively can be positioned at and the equipment in the example
In different one or more equipment.Module in aforementioned exemplary can be combined into a module or furthermore be segmented into multiple
Submodule.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed
One of meaning can arbitrary combination come using.
As used in this, unless specifically stated, come using ordinal number " first ", " second ", " third " etc.
Description plain objects, which are merely representative of, is related to the different instances of similar object, and is not intended to imply that the object being described in this way must
Must have the time it is upper, spatially, sequence aspect or given sequence in any other manner.
Although the embodiment according to limited quantity describes the present invention, above description, the art are benefited from
It is interior it is clear for the skilled person that in the scope of the present invention thus described, it can be envisaged that other embodiments.Additionally, it should be noted that
Language used in this specification primarily to readable and introduction purpose and select, rather than in order to explain or limit
Determine subject of the present invention and selects.Therefore, without departing from the scope and spirit of the appended claims, for this
Many modifications and changes are obvious for the those of ordinary skill of technical field.For the scope of the present invention, to this
It invents done disclosure to be illustrative and be not restrictive, it is intended that the scope of the present invention be defined by the claims appended hereto.
Claims (10)
1. a kind of non-sticking cooking utensils of resistance to spades, including substrate and positioned at the hard antistick layer of substrate surface, which is characterized in that described
The numberical range of the porosity K of hard antistick layer are as follows: 2%≤K≤40%.
2. non-sticking cooking utensils as described in claim 1, which is characterized in that the numberical range of the porosity K of the hard antistick layer
Are as follows: 5%≤K≤20%.
3. non-sticking cooking utensils as described in claim 1, which is characterized in that the raw material of the hard antistick layer are iron and its conjunction
Gold, zinc and its alloy, titanium and its alloy, chromium and its alloy, nickel and its alloy, cobalt and its alloy, copper and its alloy, aluminium and its conjunction
Gold, zirconium and its alloy, yttrium and its alloy, molybdenum and its alloy, vanadium and its alloy, titanium carbide, titanium nitride, titanium diboride, silicon carbide,
One of silicon nitride, boron nitride, aluminium nitride are a variety of.
4. non-sticking cooking utensils as claimed any one in claims 1 to 3, which is characterized in that in the hole of the hard antistick layer
It is also filled with high molecular material non-stick.
5. non-sticking cooking utensils as claimed in claim 4, which is characterized in that the high molecular material be dimethyl siloxane, PTFE,
One of PFA, FEP, ETFE or a variety of.
6. a kind of method for the non-sticking cooking utensils for preparing resistance to spades according to any one of claims 1 to 5, this method comprises:
Form pot embryo；And
Hard antistick layer is formed on pot embryo surface, wherein the numberical range of the porosity K of the hard antistick layer are as follows: 2%≤K
≤ 40%.
7. preparation method as claimed in claim 6, which is characterized in that the step for forming hard antistick layer on pot embryo surface
Suddenly include:
Antistick layer raw material are encased in spray-painting gun container；
At the preset distance apart from pot embryo surface, predetermined sample presentation amount and predetermined compressed air pressure are taken, is passed through into spray gun
Specific gas；And
Antistick layer raw material are melted using spray-painting gun, and the coating raw material are sprayed on institute under the air-flow of compressed air
A pot embryo surface is stated, the hard antistick layer described in the pot embryogenesis.
8. preparation method as claimed in claims 6 or 7, which is characterized in that by the workpiece with above-mentioned hard antistick layer in height
" locked in " operation is carried out in the environment of molecular material, to coat polymer material layer, the macromolecule on the hard antistick layer
Material is one of dimethyl siloxane, PTFE, PFA, FEP, ETFE or a variety of.
9. preparation method as claimed in claim 8, which is characterized in that the " locked in " operation comprising steps of
The pre-treatment of cleaning, drying will be carried out with the workpiece of above-mentioned hard antistick layer；
The workpiece of the pre-treatment is immersed in the solution that the high molecular material is formed, impregnates the predetermined time；And
Workpiece after immersion is taken out and is cooled to room temperature.
10. preparation method as claimed in claim 9, which is characterized in that the preset distance is 350mm~400mm, predetermined to send
Sample amount is 20~30g/min, and compressed air is oxygen/acetylene gas mixture, and air pressure ratio is 2:5, the predetermined compressed air
Pressure is 0.4Mpa, soaking time 5min.
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| CN201711479533.2A CN109984618A (en) | 2017-12-29 | 2017-12-29 | A kind of non-sticking cooking utensils and preparation method thereof of resistance to spades |
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| CN201711479533.2A CN109984618A (en) | 2017-12-29 | 2017-12-29 | A kind of non-sticking cooking utensils and preparation method thereof of resistance to spades |
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