CN105925176B - A kind of non-stick pan coating layer, preparation method and its non-stick pan - Google Patents
A kind of non-stick pan coating layer, preparation method and its non-stick pan Download PDFInfo
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- CN105925176B CN105925176B CN201610267894.XA CN201610267894A CN105925176B CN 105925176 B CN105925176 B CN 105925176B CN 201610267894 A CN201610267894 A CN 201610267894A CN 105925176 B CN105925176 B CN 105925176B
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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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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- 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
- C09D5/08—Anti-corrosive 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
- C09D7/66—Additives characterised by particle size
- C09D7/67—Particle size smaller than 100 nm
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- C—CHEMISTRY; METALLURGY
- 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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- C—CHEMISTRY; METALLURGY
- 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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- C—CHEMISTRY; METALLURGY
- 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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- Engineering & Computer Science (AREA)
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- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Food Science & Technology (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
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Abstract
The present invention provides a kind of non-stick pan coating layer and preparation method thereof and non-stick pan, comprising: mixes organic siliconresin, modified silicon carbide, nanometer calcium carbonate, mica powder, amino resins, dispersing agent and solvent, grinding, dispersion obtain coating after filtering；Coating is sprayed to the surface of the metal pan matrix, 10-30min is toasted in 200-300 DEG C, obtains non-stick pan coating layer.Organic siliconresin, the modified silicon carbide of saturation and nanometer calcium carbonate are applied to non-stick pan coating layer simultaneously by the present invention, form a kind of coating for having both three's excellent performance.Modified silicon carbide has good thermal stability, corrosion resistance and thermal conductivity, while ensure that coating uniform heat distribution；Nanometer calcium carbonate makes the compact imporosity of organic silicon coating microcosmic surface, protects matrix, and enhance coating does not glue effect, nanometer calcium carbonate and modified silicon carbide synergistic effect, enhances the hardness and heat resistance of non-stick pan coating layer.
Description
Technical field
The present invention relates to non-stick pan technical field more particularly to a kind of non-stick pan coating layers, preparation method and its non-stick pan.
Background technique
The food cooking tool that the pot of metal material is most generally used as people for a long time exists and easily leads to food and go out
It the problem of phenomena such as now gluing pot, burning, is detrimental to health.From the 1960s, non-stick pan initially enters family life
In, cardinal principle is: spraying one layer on pot body surface using polytetrafluoroethylene (PTFE) as the non-viscous paint of main raw material(s), passes through
420 DEG C of high temperature sintering, makes non-sticking lining combine closely with substrate, using the extensive chemical inertia of non-sticking lining by food and pot body
It separates, to cannot not play the role of viscously.However, will use PFOA in the production process of polytetrafluoroethylene (PTFE) as raw material, it may be right
Human body and environment are harmful, are once causing the fear of consumer.For this reason, it is necessary to research and develop to human body and environmentally friendly green
Environmentally friendly non-sticking cooking utensils coating.
Organic siliconresin has excellent thermo oxidative stability, electrical insulation capability and non-stick, however, pure organic siliconresin
There is also some disadvantages, temperature tolerance, chemical-resistance, corrosion-resistant poor and hardness are low.Although polyester modified organic silicon resin
Some disadvantages of organic siliconresin can be improved, but have new problem and occur, as it is organic it is silicone-modified after hardness raising
Amplitude is little, and heat resistance is very poor in the case that organic siliconresin content is low, and high performance modified resin cost is still very high.
Non-viscous paint has obtained extensive report in the prior art, for example, application No. is 201110316124.7 China
A kind of cooker Anti-adhesion paint of patent literature report, by polyether sulfone, polyphenylene sulfide, antiblocking agent, pigment, water and solvent group
At improving the hardness, wearability and corrosion resistance of coating, however its antiblocking agent still uses Teflon or other fluorine
Coating, the substrates such as fluorine coating and iron, Yi Shanshi cannot protect substrate very well.Application No. is 201310015258.4 China specially
A kind of Nano-meter SiO_2 of sharp document report2The non-viscous paint of hydridization polyester resin change properties of organic silicon, the coating have good, heatproof non-stick
Property it is good, chemical-resistance is excellent, corrosion-resistant, hardness is high the features such as, however its organic solvent for using is mostly harmful to environment and applies
Inconvenient in work, cost is also higher.Application No. is 201510407337.9 Chinese patent literatures to report a kind of be used for not
The production technology of the nm-class silicon carbide material of viscous pot coating, simple production process, raw material cost is low, less energy-consuming, and product produces
Rate is high, and applicability is wide, however such nano ceramics non-viscous paint, since construction is complicated, price height limits its application and popularization.
It is considered as desirable by the inventor to preparation environmental protection, temperature tolerance is good, hardness is high and good non-stick pan coating layer non-stick is for non-stick pan
Practical application be of great significance.
Summary of the invention
The main purpose of the present invention is to provide a kind of non-stick pan coating layer and preparation method thereof, the non-stick pan coating layer temperature tolerances
Well, hardness is high and non-stick good: the object of the invention is also to provide a kind of non-stick pans.
To achieve the above objectives, the technical solution adopted by the present invention are as follows:
The present invention provides a kind of non-stick pan coating layer, is prepared using the following raw material:
Organic siliconresin 100-200 parts by weight；
Modified silicon carbide 120-200 parts by weight；
Nanometer calcium carbonate 50-100 parts by weight；
Mica powder 30-60 parts by weight；
Amino resins 0-30 parts by weight；
Dispersing agent 1-5 parts by weight；
Solvent 20-50 parts by weight.
Preferably, it is prepared using the following raw material:
Organic siliconresin 100-180 parts by weight；
Modified silicon carbide 160-200 parts by weight；
Nanometer calcium carbonate 50-80 parts by weight；
Mica powder 30-50 parts by weight；
Amino resins 20-30 parts by weight；
Dispersing agent 1-5 parts by weight；
Solvent 30-50 parts by weight.
Preferably, the modified silicon carbide is prepared as follows: carbon nano-particle and Si micro mist being mixed, obtain the
One mixture；First mixture is placed in stainless-steel vacuum tank and is sealed, argon gas protection is passed through after vacuumizing, with stainless steel
Ball is that mill is situated between, and carries out dry grinding, revolving speed 150-300rpm, ratio of grinding media to material 20-30: 1, when ball milling using planetary ball mill
Between be 18-36h, obtain modified silicon carbide.
Correspondingly, the present invention also provides a kind of preparation methods of non-stick pan coating layer, comprising the following steps: by 100-200 weight
Measure part organic siliconresin, the part by weight modified silicon carbide of 120-200,50-100 parts by weight nanometer calcium carbonate, 30-60 parts by weight mica
Powder, 10-30 parts by weight amino resins, 1-5 parts per weight dispersing agent and the mixing of 20-50 parts by weight solvent, grinding, dispersion, after filtering
Obtain coating；The coating is sprayed to the surface of the metal pan matrix, 10-30min is toasted in 200-300 DEG C, is obtained
Non-stick pan coating layer.
Preferably, the modified silicon carbide is prepared as follows: carbon nano-particle and Si micro mist being mixed, obtain the
One mixture；First mixture is placed in stainless-steel vacuum tank and is sealed, argon gas protection is passed through after vacuumizing, with stainless steel
Ball is that mill is situated between, and carries out dry grinding, revolving speed 150-300rpm, ratio of grinding media to material 20-30: 1, when ball milling using planetary ball mill
Between be 18-36h, obtain modified silicon carbide.
Preferably, the molar ratio of the carbon nano-particle and Si micro mist is 1.5-2: 1.
Preferably, the partial size of the nanometer calcium carbonate is 50-90nm.
Preferably, the amino resins is one or more of R717, R747 and R745.
Preferably, the dispersing agent is one or more of BYK161, BYK162, BYK163, BYK164 and BYK167.
Correspondingly, the present invention also provides a kind of non-stick pans including above-mentioned non-stick pan coating layer.
The present invention provides a kind of non-stick pan coating layer and preparation method thereof and non-stick pan, comprising: 100-200 parts by weight are organic
The part by weight modified silicon carbide of silicone resin, 120-200,50-100 parts by weight nanometer calcium carbonate, 30-60 parts by weight mica powder, 10-30
Parts by weight amino resins, 1-5 parts per weight dispersing agent and the mixing of 20-50 parts by weight solvent, grinding, dispersion obtain coating after filtering；
The coating is sprayed to the surface of the metal pan matrix, 10-30min is toasted in 200-300 DEG C, obtains non-stick pan painting
Layer.Compared with prior art, organic siliconresin, the modified silicon carbide of saturation and nanometer calcium carbonate are applied to not glue by the present invention simultaneously
Pot coating, forms a kind of coating for having both three's excellent performance.Wherein, modified silicon carbide has good thermal stability, and
Good corrosion resistance and thermal conductivity, the shortcomings that overcoming Teflon that cannot use under acidic environment, while ensure that coating heat
It is evenly distributed；Nanometer calcium carbonate can make the compact imporosity of organic silicon coating microcosmic surface, protect matrix, enhance coating not
Viscous effect, also, nanometer calcium carbonate and modified silicon carbide synergistic effect, enhance the hardness and heat resistance of non-stick pan coating layer.Cause
This, non-stick pan coating layer temperature tolerance prepared by the present invention is good, hardness is high and non-stick good.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
The present invention provides a kind of non-stick pan coating layer, is prepared using the following raw material:
Organic siliconresin 100-200 parts by weight；
Modified silicon carbide 120-200 parts by weight；
Nanometer calcium carbonate 50-100 parts by weight；
Mica powder 30-60 parts by weight；
Amino resins 10-30 parts by weight；
Dispersing agent 1-5 parts by weight；
Solvent 20-50 parts by weight.
Preferably, the non-stick pan coating layer is prepared using the following raw material:
Organic siliconresin 100-180 parts by weight；
Modified silicon carbide 160-200 parts by weight；
Nanometer calcium carbonate 50-80 parts by weight；
Mica powder 30-50 parts by weight；
Amino resins 20-30 parts by weight；
Dispersing agent 1-5 parts by weight；
Solvent 30-50 parts by weight.
Preferably, the modified silicon carbide is prepared as follows: carbon nano-particle and Si micro mist are mixed,
Obtain the first mixture；First mixture is placed in stainless-steel vacuum tank and is sealed, argon gas protection is passed through after vacuumizing, with
Stainless steel ball be mill be situated between, using planetary ball mill carry out dry grinding, revolving speed 150-300rpm, ratio of grinding media to material 20-30: 1,
Ball-milling Time is 18-36h, obtains modified silicon carbide.
Correspondingly, the present invention also provides a kind of preparation methods of above-mentioned non-stick pan coating layer, comprising the following steps: by 100-
200 parts by weight organic siliconresins, the part by weight modified silicon carbide of 120-200,50-100 parts by weight nanometer calcium carbonate, 30-60 weight
Part mica powder, 10-30 parts by weight amino resins, 1-5 parts per weight dispersing agent and the mixing of 20-50 parts by weight solvent, grinding, dispersion,
Coating is obtained after filtering；The coating is sprayed to the surface of the metal pan matrix, 10- is toasted in 200-300 DEG C
30min obtains non-stick pan coating layer.
The modified silicon carbide is the composite granule that carbon nano-particles are synthesized with silicon powder by mechanochemical method, Ke Yiqi
To the effect of the mechanical property of improvement non-stick pan coating layer, inoxidizability and thermal stability.Preferably, the carbon modified
SiClx is prepared as follows: carbon nano-particle and Si micro mist being mixed, the first mixture is obtained；By first mixture
It is placed in stainless-steel vacuum tank and seals, argon gas protection is passed through after vacuumizing, be that mill is situated between with stainless steel ball, using planetary ball mill
Progress dry grinding, revolving speed 150-300rpm, ratio of grinding media to material 20-30: 1, Ball-milling Time 18-36h obtain modified carbonization
Silicon.Because simple silicon carbide has the defects of intensity is inadequate, selects C nano particle to be modified, closed using mechanochemical reaction
At composite particles.Wherein, the molar ratio of the carbon nano-particle and Si micro mist is 1.5-2: 1.
Modified silicon carbide has played key effect to the preparation of the coating of non-stick pan.Modified composite material of silicon carbide has resistance to height
Mild high thermal shock stability, high-wearing feature and high rigidity, characteristic resistant to chemical etching, high thermal conductivity, low thermal coefficient of expansion etc. are excellent
Performance.Organic siliconresin has excellent thermo oxidative stability, electrical insulation capability and non-stick, however, pure organic siliconresin
There are some disadvantages, temperature tolerance, chemical-resistance, corrosion-resistant poor and hardness are low.Therefore, organic siliconresin and saturation are changed
Property silicon carbide be applied to non-stick pan coating layer simultaneously, respective disadvantage can be made up, form a kind of painting for both having both excellent performance
Layer.
Preferably, the nanometer calcium carbonate partial size is preferably 50-90nm, more preferably 60-80nm；The amino
Resin is preferably one or more of R717, R747 and R745；The dispersing agent be preferably BYKl61, BYKl62, BYKl63,
One or more of BYKl64, BYKl67；The mixed solvent is preferably distilled water and ethyl alcohol, the distilled water and ethyl alcohol
Molar ratio preferably 1.10: 1, more preferable 5.8: 1.
Preferably, the step of obtaining coating specifically: by 100-200 parts by weight organic siliconresin, 120-200 weight
Measure the modified silicon carbide of part, 50.100 parts by weight nanometer calcium carbonates, 30-60 parts by weight mica powder, 10-30 parts by weight amino resins,
1.5 parts per weight dispersing agents and the mixing of 20-50 parts by weight solvent make fineness less than 5 μ then with sand mill grinding 0.5-2h or so
M, then dispersed with high speed disperser, it is sufficiently mixed uniformly, coating is obtained after filtering.Preferably, the step of obtaining non-stick pan coating layer
Specifically: oil and rust on metal pan matrix are wiped with organic solvent, to its drying, is sprayed the coating using 3.5MPa air pressure
It is applied to the surface of the metal pan matrix, thickness of dry film is controlled at 25 μm or so, and being subsequently placed in temperature is that 200-300 DEG C of constant temperature dries
After toasting 10-30min in case, after being cooled to room temperature, non-stick pan coating layer is obtained.
From above scheme as can be seen that non-stick pan coating layer provided by the invention and preparation method thereof has a characteristic that
1, compared with traditional organosilicon non-stick pan, organic siliconresin, the modified silicon carbide of saturation and nanometer calcium carbonate is same
When be applied to non-stick pan coating layer, make up respective disadvantage, form a kind of coating for having both three's excellent performance；2, modified silicon carbide
With good thermal stability, 500.DEG C or more chemical change will not occur, non-stick pan dry combustion method will not reach this temperature, by it
It is added in non-stick pan coating layer labile when can efficiently solve the problems, such as Teflon high temperature (250 DEG C or more)；3, modified carbonization
Silicon has good corrosion resistance and good thermal conductivity, and adding it in non-stick pan coating layer effectively to overcome Teflon cannot
The shortcomings that being used under acidic environment, while ensure that coating uniform heat distribution.4, nanometer calcium carbonate composite particles have been filled into
In machine silicon system, the crack propagation that forming stress concentration point generates matrix resin is obstructed and is passivated, and final termination crackle will not
Develop into destructive cracking.Meanwhile nanometer calcium carbonate and modified silicon carbide have synergistic effect, enhance non-stick pan coating layer
Hardness and heat resistance.5, the filling of nanometer calcium carbonate can make the compact imporosity of organic silicon coating microcosmic surface, preferably protect
Matrix, to enhance the not viscous effect of coating.
For a further understanding of the present invention, technical solution provided by the invention is carried out specifically below with reference to embodiment
Bright, protection scope of the present invention is not limited by the following examples.
Organic siliconresin is purchased from Shanghai Jing Kai resin Co., Ltd；
Nanometer calcium carbonate is purchased from Beijing Deco Dao Jin Science and Technology Ltd.；
Mica powder is purchased from Chuzhou City pagoda sericite Mining Limited Company；
Amino resins R717, R747 and R745 are purchased from Dongguan City Shi Fa trade Co., Ltd；
Dispersant B YK series is purchased from Dongguan City Hengfeng new material Co., Ltd.
Embodiment 1
The high-performance non-stick pan coating layer of the present embodiment is to be prepared by the raw material of following parts by weight: organic siliconresin
100 parts by weight, modified 200 parts by weight of silicon carbide, 50 parts by weight of nanometer calcium carbonate, 30 parts by weight of mica powder, amino resins R717
20 parts by weight of 10 parts by weight, 5 parts by weight of dispersant B YK161 and mixed solvent, wherein mixed solvent molar ratio is water: ethyl alcohol=
1∶1。
Wherein, the modified silicon carbide the preparation method comprises the following steps: being C: Si=1.5 by carbon nano-particle and Si micro mist molar ratio
: 1 is configured to mixed powder, is placed in sealing in stainless-steel vacuum tank and is passed through argon gas protection after vacuumizing, and is that mill is situated between with stainless steel ball,
Dry grinding is carried out using planetary ball mill, revolving speed 150rpm, ratio of grinding media to material 20: 1, Ball-milling Time 18h obtain carbon modified
SiClx, it is spare.
The preparation method of the high-performance non-stick pan coating layer: (1) preparation of coating: by organic siliconresin, modified silicon carbide,
Mica powder, amino resins, dispersing agent and mixed solvent are tuned into paste, then with sand mill grinding 0.5h or so, make fineness less than 5
μm, then dispersed with high speed disperser, it is sufficiently mixed uniformly, finally filters to get finished product coating.(2) preparation of coating: with organic
Solvent wipes oil and rust on tinplate, to its drying, is sprayed using 3MPa air pressure, thickness of dry film controls on 25 μm of left sides
It is right.It is to take out after toasting 10min in 200 DEG C of constant temperature ovens that the tinplate for having sprayed non-stick pan coating, which is placed in temperature, is cooled to
To get finished product coating after room temperature.
Embodiment 2
The high-performance non-stick pan coating layer of the present embodiment is to be prepared by the raw material of following parts by weight: organic siliconresin
120 parts by weight, modified 180 parts by weight of silicon carbide, 80 parts by weight of nanometer calcium carbonate, 60 parts by weight of mica powder, amino resins R747
50 parts by weight of 30 parts by weight, 5 parts by weight of dispersant B YK162 and mixed solvent, wherein mixed solvent molar ratio is water: ethyl alcohol=
10∶1。
Wherein, the modified silicon carbide the preparation method comprises the following steps: being C: Si=2: 1 by carbon nano-particle and Si micro mist molar ratio
It is configured to mixed powder, sealing in stainless-steel vacuum tank is placed in and is passed through argon gas protection after vacuumizing, is that mill is situated between with stainless steel ball, adopts
Dry grinding is carried out with planetary ball mill, revolving speed 300rpm, ratio of grinding media to material 30: 1, Ball-milling Time 36h obtain modified carbonization
Silicon, it is spare.
The preferred preparation method of the high-performance non-stick pan coating layer: (1) preparation of coating: by organic siliconresin, carbon modified
SiClx, mica powder, amino resins, dispersing agent and mixed solvent are tuned into paste, then with sand mill grinding 2h or so, keep fineness small
Disperse in 5 μm, then with high speed disperser, is sufficiently mixed uniformly, finally filters to get finished product coating.(2) it the preparation of coating: uses
Organic solvent wipes oil and rust on tinplate, to its drying, is sprayed using 5MPa air pressure, thickness of dry film is controlled at 25 μm
Left and right.It is to take out after toasting 30min in 300 DEG C of constant temperature ovens that the tinplate for having sprayed non-stick pan coating, which is placed in temperature, cooling
To get finished product coating after to room temperature.
Embodiment 3
The high-performance non-stick pan coating layer of the present embodiment is to be prepared by the raw material of following parts by weight: organic siliconresin
160 parts by weight, modified 160 parts by weight of silicon carbide, 100 parts by weight of nanometer calcium carbonate, 50 parts by weight of mica powder, amino resins R745
30 parts by weight of 20 parts by weight, 1 parts by weight of dispersant B YK163 and mixed solvent, wherein mixed solvent molar ratio is water: ethyl alcohol=
5∶1。
Wherein, the modified silicon carbide the preparation method comprises the following steps: being C: Si=1.5 by carbon nano-particle and Si micro mist molar ratio
: 1 is configured to mixed powder, is placed in sealing in stainless-steel vacuum tank and is passed through argon gas protection after vacuumizing, and is that mill is situated between with stainless steel ball,
Dry grinding is carried out using planetary ball mill, revolving speed 200rpm, ratio of grinding media to material 25: 1, Ball-milling Time for 24 hours, obtain carbon modified
SiClx, it is spare.
The preferred preparation method of the high-performance non-stick pan coating layer: (1) preparation of coating: by organic siliconresin, carbon modified
SiClx, mica powder, amino resins, dispersing agent and mixed solvent are tuned into paste, then with sand mill grinding 1h or so, keep fineness small
Disperse in 5 μm, then with high speed disperser, is sufficiently mixed uniformly, finally filters to get finished product coating.(2) it the preparation of coating: uses
Organic solvent wipes oil and rust on tinplate, to its drying, is sprayed using 4MPa air pressure, thickness of dry film is controlled at 25 μm
Left and right.It is to take out after toasting 20min in 250 DEG C of constant temperature ovens that the tinplate for having sprayed non-stick pan coating, which is placed in temperature, cooling
To get finished product coating after to room temperature.
Embodiment 4
The high-performance non-stick pan coating layer of the present embodiment is to be prepared by the raw material of following parts by weight: organic siliconresin
180 parts by weight, modified 120 parts by weight of silicon carbide, 60 parts by weight of nanometer calcium carbonate, 40 parts by weight of mica powder, amino resins R747
40 parts by weight of 25 parts by weight, 3 parts by weight of dispersant B YK163 and mixed solvent, wherein mixed solvent molar ratio is water: ethyl alcohol=
8∶1。
Wherein, the modified silicon carbide the preparation method comprises the following steps: being C: Si=2: 1 by carbon nano-particle and Si micro mist molar ratio
It is configured to mixed powder, sealing in stainless-steel vacuum tank is placed in and is passed through argon gas protection after vacuumizing, is that mill is situated between with stainless steel ball, adopts
Dry grinding is carried out with planetary ball mill, revolving speed 300rpm, ratio of grinding media to material 30: 1, Ball-milling Time 18h obtain modified carbonization
Silicon, it is spare.
The preferred preparation method of the high-performance non-stick pan coating layer: (1) preparation of coating: by organic siliconresin, carbon modified
SiClx, mica powder, amino resins, dispersing agent and mixed solvent are tuned into paste, then with sand mill grinding 1.5h or so, make fineness
Disperse less than 5 μm, then with high speed disperser, is sufficiently mixed uniformly, finally filters to get finished product coating.(2) preparation of coating:
Oil and rust on tinplate are wiped with organic solvent, to its drying, is sprayed using 4MPa air pressure, thickness of dry film is controlled 25
μm or so.It is to take out after toasting 10min in 300 DEG C of constant temperature ovens that the tinplate for having sprayed non-stick pan coating, which is placed in temperature, cold
But to after room temperature to get finished product coating.
Embodiment 5
The high-performance non-stick pan coating layer of the present embodiment is to be prepared by the raw material of following parts by weight: organic siliconresin
200 parts by weight, modified 120 parts by weight of silicon carbide, 100 parts by weight of nanometer calcium carbonate, 60 parts by weight of mica powder, amino resins R717
40 parts by weight of 30 parts by weight, 5 parts by weight of dispersant B YK167 and mixed solvent, wherein mixed solvent molar ratio is water: ethyl alcohol=
6∶1。
Wherein, the modified silicon carbide the preparation method comprises the following steps: being C: Si=1.5 by carbon nano-particle and Si micro mist molar ratio
: 1 is configured to mixed powder, is placed in sealing in stainless-steel vacuum tank and is passed through argon gas protection after vacuumizing, and is that mill is situated between with stainless steel ball,
Dry grinding is carried out using planetary ball mill, revolving speed 200rpm, ratio of grinding media to material 20: 1, Ball-milling Time 36h obtain carbon modified
SiClx, it is spare.
The preferred preparation method of the high-performance non-stick pan coating layer: (1) preparation of coating: by organic siliconresin, carbon modified
SiClx, mica powder, amino resins, dispersing agent and mixed solvent are tuned into paste, then with sand mill grinding 2h or so, keep fineness small
Disperse in 5 μm, then with high speed disperser, is sufficiently mixed uniformly, finally filters to get finished product coating.(2) it the preparation of coating: uses
Organic solvent wipes oil and rust on tinplate, to its drying, is sprayed using 3MPa air pressure, thickness of dry film is controlled at 25 μm
Left and right.It is to take out after toasting 30min in 200 DEG C of constant temperature ovens that the tinplate for having sprayed non-stick pan coating, which is placed in temperature, cooling
To get finished product coating after to room temperature.
Embodiment 6
The proportion of the high-performance non-stick pan coating layer of the present embodiment with embodiment 2, only without add modified silicon carbide and
Nanometer calcium carbonate.
Embodiment 7
The proportion of the high-performance non-stick pan coating layer of the present embodiment is with embodiment 2, only without adding modified silicon carbide.
Embodiment 8
The proportion of the high-performance non-stick pan coating layer of the present embodiment is with embodiment 2, only without addition nanometer calcium carbonate.
The adhesive force of high-performance non-stick pan coating layer obtained by embodiment 1-8 and hardness are pressed into GB 1720-1979 and GB 1727-
70；It places in 280 DEG C of constant temperature oven, toasts 3h, whether observation film, which has, falls off, blisters, being cracked, and tests its adhesive force
Situation of change, test is as shown in table 1.
The results of property of the non-stick pan coating layer of 1 1-8 of the embodiment of the present invention of table preparation
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (2)
1. a kind of non-stick pan coating layer, which is characterized in that prepared using the following raw material:
Organic siliconresin 100-180 parts by weight；
Modified silicon carbide 160-200 parts by weight；
Nanometer calcium carbonate 50-80 parts by weight；
Mica powder 30-50 parts by weight；
Amino resins 20-30 parts by weight；
Dispersing agent 1-5 parts by weight；
Solvent 30-50 parts by weight,
The modified silicon carbide is prepared as follows:
Carbon nano-particle and Si micro mist are mixed, the first mixture, the molar ratio of the carbon nano-particle and Si micro mist are obtained
For 1.5:1；
First mixture is placed in stainless-steel vacuum tank and is sealed, argon gas protection is passed through after vacuumizing, is with stainless steel ball
Mill is situated between, and carries out dry grinding using planetary ball mill, revolving speed is 150-300 rpm, ratio of grinding media to material 20-30:1, Ball-milling Time
For 18-36 h, modified silicon carbide is obtained,
The nanometer calcium carbonate partial size is 60-80nm,
The amino resins is one or more of R717, R747 and R745；
The dispersing agent is one or more of BYK161, BYK162, BYK163, BYK164, BYK167；The solvent is
The molar ratio of distilled water and ethyl alcohol, the distilled water and ethyl alcohol is 1-10:1.
2. a kind of preparation method of non-stick pan coating layer, which comprises the following steps:
By 100-200 parts by weight organic siliconresin, the part by weight modified silicon carbide of 120-200,50-100 parts by weight nanometer calcium carbonate,
30-60 parts by weight mica powder, 10-30 parts by weight amino resins, 1-5 parts per weight dispersing agent and the mixing of 20-50 parts by weight solvent, so
Afterwards with sand mill grinding 0.5-2h or so, disperses fineness less than 5 μm, then with high speed disperser, be sufficiently mixed uniformly filtering
After obtain coating；
The coating is sprayed to the surface of metal pan matrix, 10-30 min is toasted in 200-300 DEG C, obtains non-stick pan
Coating,
The modified silicon carbide is prepared as follows:
Carbon nano-particle and Si micro mist are mixed, the first mixture, the molar ratio of the carbon nano-particle and Si micro mist are obtained
For 1.5:1；
First mixture is placed in stainless-steel vacuum tank and is sealed, argon gas protection is passed through after vacuumizing, is with stainless steel ball
Mill is situated between, and carries out dry grinding using planetary ball mill, revolving speed is 150-300 rpm, ratio of grinding media to material 20-30:1, Ball-milling Time
For 18-36 h, modified silicon carbide is obtained, the partial size of the nanometer calcium carbonate is 60-80nm,
The amino resins is one or more of R717, R747 and R745,
The dispersing agent is one or more of BYK161, BYK162, BYK163, BYK164 and BYK167.
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| CN106592189B (en) * | 2016-12-13 | 2019-10-25 | 安徽省煜灿新型材料科技有限公司 | The wear-resisting anti-sticking soleplate of one kind and preparation method |
| CN106498687B (en) * | 2016-12-13 | 2019-04-16 | 安徽省煜灿新型材料科技有限公司 | A kind of heat-and corrosion-resistant soleplate easy to clean and preparation method |
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Effective date of registration: 20190111 Address after: 315300 Tianyang Village, Longshan Town, Cixi City, Ningbo City, Zhejiang Province Applicant after: Ningbo Bede Kitchen Utensils Co., Ltd. Address before: 315040 B3 building, R & D Park, Ningbo hi tech Development Zone, Zhejiang 509-512 Applicant before: High and new technology industrial development zone, Ningbo Xia Yuan Science and Technology Ltd. |
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