CN110499097A - A kind of super wear-resistant unsticky coating and preparation method thereof - Google Patents
A kind of super wear-resistant unsticky coating and preparation method thereof Download PDFInfo
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- CN110499097A CN110499097A CN201910699893.6A CN201910699893A CN110499097A CN 110499097 A CN110499097 A CN 110499097A CN 201910699893 A CN201910699893 A CN 201910699893A CN 110499097 A CN110499097 A CN 110499097A
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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
- C09D177/00—Coating compositions based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Coating compositions based on derivatives of such polymers
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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
- 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
- C08K3/16—Halogen-containing compounds
- C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The present invention relates to non-sticking lining technical fields, disclose a kind of super wear-resistant unsticky coating, and the group including following parts by weight is grouped as, polyamide 100-200 parts by weight；Carbon dust 40-67 parts by weight；Silicon powder 80-133 parts by weight；Nanometer calcium chloride 50-100 parts by weight；15~20 parts by weight of graphene；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, non-stick pan coating layer wearability prepared by the present invention is good, hardness is high and non-stick good.
Description
Technical field
The present invention relates to non-sticking linings used in non-sticking lining technical field more particularly to non-stick pan, specifically disclose one
Super wear-resistant unsticky coating of kind and preparation method thereof.
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.
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 nanometer of SIO 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.
Summary of the invention
The present invention disadvantage bad for prior art non-stick pan coating layer wearability provides a kind of super wear-resistant unsticky painting
Layer and preparation method thereof, is particularly suitable on non-stick pan.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals:
A kind of super wear-resistant unsticky coating, the group including following parts by weight are grouped as,
Polyamide 100-200 parts by weight；
Carbon dust 40-67 parts by weight；
Silicon powder 80-133 parts by weight；
Nanometer calcium chloride 50-100 parts by weight；
15~20 parts by weight of graphene；
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, the group including following parts by weight is grouped as:
Polyamide 100-180 parts by weight；
Carbon dust 54-67 parts by weight；
Silicon powder 106-133 parts by weight；
Nanometer calcium chloride 50-80 parts by weight；
15~20 parts by weight of graphene；
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 solvent is the mixture of ethyl alcohol and water, ethyl alcohol: water=1:10.
Correspondingly, the present invention also provides a kind of preparation methods of super wear-resistant unsticky coating, comprising the following steps:
1) graphene is dissolved in a part of solvent first, is then mixed into it carbon dust and silicon powder, it is mixed to obtain first
Object is closed, the first mixture is placed in stainless-steel vacuum tank and is sealed, argon gas protection is passed through after vacuumizing, is mill with stainless steel ball
It is situated between, dry grinding, revolving speed 150-300rpm, ratio of grinding media to material 20-30:1 is carried out using planetary ball mill, Ball-milling Time is
18-36h obtains the second mixture；
2) by polyamide 100-200 parts by weight, nanometer calcium chloride 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, residual solvent are added in the second mixture and mix, and grind, disperse,
Coating is obtained after filtering；
3) 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, solvent is the mixture of ethyl alcohol and water, ethyl alcohol: water=1:10.
Preferably, carbon dust is carbon nano-particle, the molar ratio of carbon nano-particle and silicon powder is 1.5-2:1, carbon nanometer
Grain is slightly excessive can to make up loss.
Preferably, amino resins is one or more of R717, R747 and R745.
Preferably, 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 super wear-resistant unsticky coating.
For the present invention by providing a kind of super wear-resistant unsticky coating, it is by the way that graphene is dissolved in a part of solvent first
In, then carbon dust and silicon powder are mixed into it, obtain the first mixture, the first mixture is placed in close in stainless-steel vacuum tank
Envelope is passed through argon gas protection after vacuumizing, be that mill is situated between with stainless steel ball, carry out dry grinding using planetary ball mill, revolving speed is
150-300rpm, ratio of grinding media to material 20-30:1, Ball-milling Time 18-36h obtain the second mixture；Then by polyamide
100-200 parts by weight, nanometer calcium chloride 50-100 parts by weight, mica powder 30-60 parts by weight, amino resins 0-30 parts by weight；Point
Powder 1-5 parts by weight, residual solvent are added in the second mixture and mix, and grind, disperse, coating is obtained after filtering；Finally will
The coating is sprayed at the surface of the metal pan matrix, and 10-30min is toasted in 200-300 DEG C, obtains non-stick pan coating layer.
By the mechanical milling process in carbon dust and silicon powder, the modified silicon carbide powder of graphene is formed, graphene is lamellar, he is dissolved in
In the mixture of second alcohol and water, active function groups are exposed after dissolution, these active function groups touch the carbon atom of high energy, silicon
Atom mixes the two as bridge, forms the modified silicon carbide product of graphene, i.e. the second mixture, then in subsequent original
In the addition of material, so that graphene activity is grafted other substances, reactive coating is obtained, reactive coating sprays on metal pan matrix
Later, reactive coating activity is grafted in pot body, is fitted closely with pot body, and super wear-resistant unsticky coating is formed.
The present invention is with significant technical effect: the modified silicon carbide of graphene has good thermal stability, and
Good corrosion resistance and thermal conductivity overcome the shortcomings that Teflon cannot use under acidic environment, while ensure that coating
Uniform heat distribution, the calcium chloride of addition can also make the compact imporosity of coating microcosmic surface, protect matrix, enhance coating not
Viscous effect, also, the synergistic effect of silicon carbide and calcium chloride, enhance the hardness and heat resistance of non-stick pan coating layer.Therefore, this hair
The non-stick pan coating layer wearability of bright preparation is good, hardness is high and non-stick good.
Specific embodiment
Below with reference to embodiment, present invention is further described in detail.
A kind of super wear-resistant unsticky coating, the group including following parts by weight are grouped as,
Polyamide 100-200 parts by weight；
Carbon dust 40-67 parts by weight；
Silicon powder 80-133 parts by weight；
Nanometer calcium chloride 50-100 parts by weight；
15~20 parts by weight of graphene；
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, the group including following parts by weight is grouped as:
Polyamide 100-180 parts by weight；
Carbon dust 54-67 parts by weight；
Silicon powder 106-133 parts by weight；
Nanometer calcium chloride 50-80 parts by weight；
15~20 parts by weight of graphene；
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 solvent is the mixture of ethyl alcohol and water, ethyl alcohol: water=1:10.
Correspondingly, the present invention also provides a kind of preparation methods of super wear-resistant unsticky coating, comprising the following steps:
1) graphene is dissolved in a part of solvent first, is then mixed into it carbon dust and silicon powder, it is mixed to obtain first
Object is closed, the first mixture is placed in stainless-steel vacuum tank and is sealed, argon gas protection is passed through after vacuumizing, is mill with stainless steel ball
It is situated between, dry grinding, revolving speed 150-300rpm, ratio of grinding media to material 20-30:1 is carried out using planetary ball mill, Ball-milling Time is
18-36h obtains the second mixture；
2) by polyamide 100-200 parts by weight, nanometer calcium chloride 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, residual solvent are added in the second mixture and mix, and grind, disperse,
Coating is obtained after filtering；
3) 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, solvent is the mixture of ethyl alcohol and water, ethyl alcohol: water=1:10.
Preferably, carbon dust is carbon nano-particle, the molar ratio of carbon nano-particle and silicon powder is 1.5-2:1, carbon nanometer
Grain is slightly excessive can to make up loss.
Preferably, amino resins is one or more of R717, R747 and R745.
Preferably, 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 super wear-resistant unsticky coating.
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 stone
The black modified silicon carbide of alkene has good thermal stability and good corrosion resistance and thermal conductivity, overcomes Teflon
The shortcomings that cannot being used under acidic environment, while ensure that coating uniform heat distribution, the calcium chloride of addition can also make coating micro-
The compact imporosity in surface is seen, matrix is protected, enhance coating does not glue effect, also, the collaboration of silicon carbide and calcium chloride is made
With enhancing the hardness and heat resistance of non-stick pan coating layer.Therefore, non-stick pan coating layer wearability prepared by the present invention is good, hardness is high
And it is non-stick good.
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.
Polyamide is purchased from Shanghai Jing Kai resin Co., Ltd；
Carbon dust is purchased from Beijing Deco Dao Jin Science and Technology Ltd.；
Silicon powder is purchased from Xuzhou victory innovative material Science and Technology Ltd.；
Nanometer calcium chloride is purchased from Shouguang City Bang Ze Chemical Co., Ltd.；
Graphene is purchased from Chengdu Organical Chemical Co., Ltd., Chinese Academy of Sciences；
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 super wear-resistant unsticky coating of the present embodiment, is to be prepared by the raw material of following parts by weight: polyamide 100
Parts by weight；40 parts by weight of carbon dust；80 parts by weight of silicon powder；Nanometer 50 parts by weight of calcium chloride；15 parts by weight of graphene；30 weight of mica powder
Measure part；0.3 parts by weight of amino resins；Dispersant B YK1611 parts by weight；Ethyl alcohol: 20 parts by weight of water=1:10 mixed solution.
The super wear-resistant unsticky coating the preparation method comprises the following steps:
1) graphene is dissolved in 10 parts of ethyl alcohol first: in water=1:10 mixed solution, then mixed carbon dust and silicon powder
To the first mixture wherein, is obtained, the first mixture is placed in stainless-steel vacuum tank and is sealed, argon gas guarantor is passed through after vacuumizing
Shield is that mill is situated between with stainless steel ball, carries out dry grinding, revolving speed 150rpm, ratio of grinding media to material 20:1, ball using planetary ball mill
Time consuming is 18h, obtains the second mixture；
2) by 100 parts by weight of polyamide, 50 parts by weight of nanometer calcium chloride, 30 parts by weight of mica powder, amino resins
R7170.3 parts by weight；Dispersant B YK1611 parts by weight, remaining 10 parts of ethyl alcohol: it is mixed that water=1:10 mixed solution is added to second
It closes and is mixed in object, grind, disperse, coating is obtained after filtering；
3) coating is sprayed to the surface of the metal pan matrix, 10min is toasted in 200 DEG C, obtains non-stick pan
Coating.
Embodiment 2
The super wear-resistant unsticky coating of the present embodiment, is to be prepared by the raw material of following parts by weight: polyamide 200
Parts by weight；67 parts by weight of carbon dust；133 parts by weight of silicon powder；Nanometer 100 parts by weight of calcium chloride；20 parts by weight of graphene；Mica powder 60
Parts by weight；Amino resins R74730 parts by weight；Dispersant B YK1625 parts by weight；Etoh solvent: water=1:10 mixed solution 50
Parts by weight.
The super wear-resistant unsticky coating the preparation method comprises the following steps:
1) graphene is dissolved in 20 parts of ethyl alcohol first: in water=1:10 mixed solution, then mixed carbon dust and silicon powder
To the first mixture wherein, is obtained, the first mixture is placed in stainless-steel vacuum tank and is sealed, argon gas guarantor is passed through after vacuumizing
Shield is that mill is situated between with stainless steel ball, carries out dry grinding, revolving speed 300rpm, ratio of grinding media to material 30:1, ball using planetary ball mill
Time consuming is 36h, obtains the second mixture；
2) by 200 parts by weight of polyamide, 100 parts by weight of nanometer calcium chloride, 60 parts by weight of mica powder, amino resins
R74730 parts by weight；Dispersant B YK1625 parts by weight, residual solvent are added in the second mixture and mix, and grind, disperse, mistake
Coating is obtained after filter；
3) coating is sprayed to the surface of the metal pan matrix, 30min is toasted in 300 DEG C, obtains non-stick pan
Coating.
Embodiment 3
The super wear-resistant unsticky coating of the present embodiment, is to be prepared by the raw material of following parts by weight: polyamide 120
Parts by weight；47 parts by weight of carbon dust；93 parts by weight of silicon powder；Nanometer 70 parts by weight of calcium chloride；17 parts by weight of graphene；40 weight of mica powder
Measure part；Amino resins R74510 parts by weight；Dispersant B YK1631.5 parts by weight；Etoh solvent: water=1:1030 parts by weight.
The super wear-resistant unsticky coating the preparation method comprises the following steps:
1) graphene is dissolved in a part of solvent first, is then mixed into it carbon dust and silicon powder, it is mixed to obtain first
Object is closed, the first mixture is placed in stainless-steel vacuum tank and is sealed, argon gas protection is passed through after vacuumizing, is mill with stainless steel ball
It is situated between, dry grinding, revolving speed 180rpm, ratio of grinding media to material 25:1 is carried out using planetary ball mill, Ball-milling Time 25h is obtained
Second mixture；
2) by 120 parts by weight of polyamide, 47 parts by weight of nanometer calcium chloride, 40 parts by weight of mica powder, amino resins
R74510 parts by weight；Dispersant B YK1633 parts by weight, residual solvent are added in the second mixture and mix, and grind, disperse, mistake
Coating is obtained after filter；
3) coating is sprayed to the surface of the metal pan matrix, 20min is toasted in 250 DEG C, obtains non-stick pan
Coating.
Embodiment 4
The super wear-resistant unsticky coating of the present embodiment, is to be prepared by the raw material of following parts by weight: polyamide 150
Parts by weight；50 parts by weight of carbon dust；100 parts by weight of silicon powder；Nanometer 70 parts by weight of calcium chloride；18 parts by weight of graphene；Mica powder 50
Parts by weight；Amino resins R71715 parts by weight；Dispersant B YK1623 parts by weight；Etoh solvent: water=1:10 mixed solution 25
Parts by weight.
The super wear-resistant unsticky coating the preparation method comprises the following steps:
1) graphene is dissolved in a part of solvent first, is then mixed into it carbon dust and silicon powder, it is mixed to obtain first
Object is closed, the first mixture is placed in stainless-steel vacuum tank and is sealed, argon gas protection is passed through after vacuumizing, is mill with stainless steel ball
It is situated between, dry grinding, revolving speed 300rpm, ratio of grinding media to material 30:1 is carried out using planetary ball mill, Ball-milling Time 36h is obtained
Second mixture；
2) by 150 parts by weight of polyamide, 70 parts by weight of nanometer calcium chloride, 50 parts by weight of mica powder, amino resins
R71715 parts by weight；Dispersant B YK1623 parts by weight, residual solvent are added in the second mixture and mix, and grind, disperse, mistake
Coating is obtained after filter；
3) coating is sprayed to the surface of the metal pan matrix, 10-30min is toasted in 300 DEG C, is not glued
Pot coating.
Embodiment 5
The super wear-resistant unsticky coating of the present embodiment, is to be prepared by the raw material of following parts by weight: polyamide 170
Parts by weight；57 parts by weight of carbon dust；113 parts by weight of silicon powder；Nanometer 70 parts by weight of calcium chloride；17 parts by weight of graphene；Mica powder 50
Parts by weight；Amino resins R74720 parts by weight；Dispersant B YK1635 parts by weight；Etoh solvent: water=1:10 mixed solution 50
Parts by weight.
The super wear-resistant unsticky coating the preparation method comprises the following steps:
1) graphene is dissolved in 30 parts of etoh solvents first: in water=1:10 mixed solution, then by carbon dust and silicon powder
It is mixed into it, obtains the first mixture, the first mixture is placed in stainless-steel vacuum tank and is sealed, be passed through argon gas after vacuumizing
Protection, with stainless steel ball be mill be situated between, using planetary ball mill carry out dry grinding, revolving speed 150rpm, ratio of grinding media to material 20:1,
Ball-milling Time is 18h, obtains the second mixture；
2) by 170 parts by weight of polyamide, 57 parts by weight of nanometer calcium chloride, 50 parts by weight of mica powder, amino resins
R74720 parts by weight；Dispersant B YK1635 parts by weight, remaining 20 parts of etoh solvents: water=1:10 mixed solution is added to the
It is mixed in two mixtures, grinds, disperses, coating is obtained after filtering；
3) coating is sprayed to the surface of the metal pan matrix, 30min is toasted in 200 DEG C, obtains non-stick pan
Coating.
Embodiment 6
The proportion of the super wear-resistant unsticky pot coating of the present embodiment with embodiment 2, only without addition graphene and carbon dust,
Silicon powder.
Embodiment 7
The proportion of the super wear-resistant unsticky pot coating of the present embodiment is with embodiment 2, only without addition graphene.
Embodiment 8
The proportion of the super wear-resistant unsticky pot coating of the present embodiment is with embodiment 2, only without addition carbon dust, silicon powder.
By the adhesive force of the resulting super wear-resistant unsticky pot coating of embodiment 1-8 and hardness by GB1720-1979 and
GB1727-70 is placed in 280 DEG C of constant temperature oven, toasts 3h, and whether observation film, which has, falls off, blisters, being cracked, and tests it
The situation of change of adhesive force, test are 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 the attached claims and its wait
Jljl is defined.
Claims (5)
1. a kind of super wear-resistant unsticky coating, it is characterised in that: the group including following parts by weight is grouped as,
Polyamide 100-200 parts by weight；
Carbon dust 40-67 parts by weight；
Silicon powder 80-133 parts by weight；
Nanometer calcium chloride 50-100 parts by weight；
15~20 parts by weight of graphene；
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.
2. a kind of super wear-resistant unsticky coating according to claim 1, it is characterised in that: the component including following parts by weight
Composition:
Polyamide 100-180 parts by weight；
Carbon dust 54-67 parts by weight；
Silicon powder 106-133 parts by weight；
Nanometer calcium chloride 50-80 parts by weight；
15~20 parts by weight of graphene；
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.
3. a kind of super wear-resistant unsticky coating according to claim 1 or 2, which is characterized in that the solvent be ethyl alcohol with
The mixture of water, ethyl alcohol: water=1:10.
4. a kind of preparation method of super wear-resistant unsticky coating, it is characterised in that: the following steps are included:
1) graphene is dissolved in a part of solvent first, is then mixed into it carbon dust and silicon powder, obtain the first mixture,
First mixture is placed in stainless-steel vacuum tank and is sealed, argon gas protection is passed through after vacuumizing, is that mill is situated between with stainless steel ball, uses
Planetary ball mill carries out dry grinding, revolving speed 150-300rpm, ratio of grinding media to material 20-30:1, and Ball-milling Time 18-36h is obtained
To the second mixture；
2) by polyamide 100-200 parts by weight, nanometer calcium chloride 50-100 parts by weight, mica powder 30-60 parts by weight, amino
Resin 0-30 parts by weight；Dispersing agent 1-5 parts by weight, residual solvent are added in the second mixture and mix, and grind, disperse, filtering
After obtain coating；
3) coating is sprayed to the surface of the metal pan matrix, 10-30min is toasted in 200-300 DEG C, is not glued
Pot coating.
5. a kind of preparation method of super wear-resistant unsticky coating according to claim 4, it is characterised in that: solvent is ethyl alcohol
With the mixture of water, ethyl alcohol: water=1:10.
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Application publication date: 20191126 |