CN105348997A - Resin powder coating - Google Patents
Resin powder coating Download PDFInfo
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- CN105348997A CN105348997A CN201510948887.1A CN201510948887A CN105348997A CN 105348997 A CN105348997 A CN 105348997A CN 201510948887 A CN201510948887 A CN 201510948887A CN 105348997 A CN105348997 A CN 105348997A
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C08K3/02—Elements
- C08K3/04—Carbon
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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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
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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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Abstract
The invention discloses a resin powder coating. The resin powder coating comprises the following raw materials in parts by weight: 70-80 parts of epoxy resin, 10-15 parts of graphene/filler mixed material, 1-5 parts of additives and 1-2 parts of pigments, wherein the graphene/filler mixed material is prepared by mixing a graphene/kaolin composite filler with a graphene/calcium carbonate composite filler in a weight ratio of (1-3) to (1-2). The resin powder coating has the beneficial effects that as the resin powder coating is modified by a graphene/filler composite material, the strength, adhesion to base materials, friction resistance, impact resistance, corrosion resistance and other properties of the powder coating are greatly reinforced.
Description
Technical field
The present invention relates to a kind of toner coating.
Background technology
Powder paint compositions is the solids composition usually comprising solid film-forming resin or different sorts resin compound, and it has one or more pigment and one or more optional performance additive usually as softening agent, stablizer, flow promotor and extender.
Toner coating of the prior art, owing to there is higher requirement to mechanicalness, electroconductibility, thermal conductivity, flame retardant resistance etc., although and in prior art exist Graphene to add in matrix material and strengthen its performance, but add the matrix material of Graphene and filler in toner paint field, without any relevant report.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the invention provides a kind of cold coating powder by Graphene/filler composite materials modification, greatly strengthen the intensity of powder coating, with the performance such as sticking power, crocking resistance, impact resistance, corrosion resistance nature of base material.
Technical problem to be solved by this invention is achieved by the following technical programs:
A kind of toner coating, it is made up of the raw material of following weight part: epoxy resin 70 ~ 80 parts, Graphene/filler mixing material 10 ~ 15 parts, auxiliary agent 1 ~ 5 part and pigment 1 ~ 2 part, described Graphene/filler mixing material be Graphene/kaolin compounded mix and graphene/carbon acid calcium compounded mix by weight (1 ~ 3): (1 ~ 2) mixes.
In the present invention, described Graphene/filler mixing material is that Graphene/kaolin compounded mix and graphene/carbon acid calcium compounded mix mix by weight 3:2.
In the present invention, the preparation method of described graphene/carbon acid calcium compounded mix is as follows: added by 1g Graphene in 100ml deionized water, obtained graphene dispersing solution after dispersion 180 ~ 200min under 800 ~ 1000kW ultrasonic vibration and 500 ~ 1000r/min centrifugal speed stir; 100g quantum dot calcium carbonate is added in 500ml deionized water, obtained calcium carbonate dispersion liquid after dispersion 240 ~ 300min under 1200 ~ 1500kW ultrasonic vibration and 1000 ~ 1200r/min centrifugal speed stir; At the ultrasonic lower slow dropping calcium carbonate dispersion liquid of 50kW in graphene dispersing solution, ultrasonic 30 ~ 60min is suction filtration, oven dry then, obtained graphene/carbon acid calcium compounded mix.
In the present invention, the preparation method of described Graphene/kaolin compounded mix is as follows: added by 1g Graphene in 100ml deionized water, obtained graphene dispersing solution after dispersion 180 ~ 200min under 800 ~ 1000kW ultrasonic vibration and 500 ~ 800r/min centrifugal speed stir; 50g nano kaoline is added in 500ml deionized water, obtained Dispersion of Kaolin liquid after dispersion 240 ~ 300min under 1000 ~ 1200kW ultrasonic vibration and 800 ~ 1000r/min centrifugal speed stir; At the ultrasonic lower slow dropping Dispersion of Kaolin liquid of 50kW in graphene dispersing solution, ultrasonic 30 ~ 60min is suction filtration, oven dry then, obtained Graphene/kaolin compounded mix.
In the present invention, described Graphene is obtained by following methods: get a certain amount of sour flat band ink, in atmosphere 1000 DEG C of process 1h, then at 7%H
2nitrogen and hydrogen mixture in 1000 DEG C of in-situ reducing process 1.5h, add the macrogol ester of mass ratio 3% and tetracarboxylic dianhydride's dinaphthyl of mass ratio 5.0% again, the slurry that concentration is 80.0% is made into water, first under power is the ultrasonic assistant of 400W, carry out 3500r/min ball milling 8h, 2000r/min ball milling 4h is carried out under being adjusted to 200W ultrasonic wave again, be separated through supercentrifuge 10000r/min after ball milling, lyophilize, obtain Graphene solid.
In the present invention, the preparation method of described nano kaoline is as follows: by 150g kaolin ore with the rotating speed ball milling 60min of 1500r/min, then insert in 5L deionized water, add 220g Potassium ethanoate and stir 60min, suction filtration cleaning is about 7 to pH value, then with the rotating speed ball milling 60min of 1200r/min after drying under 80 degree of conditions, then carry out 1800r/min ball milling 1h under being adjusted to 300W ultrasonic wave, obtain the kaolin powder of particle diameter in 10 ~ 30 nanometers.
In the present invention, described auxiliary agent be solidifying agent, optical brightener, st-yrax, flow agent, toughener one or more.
The present invention has following beneficial effect: by the cold coating powder of Graphene/filler composite materials modification, improve the intensity of powder coating, its crocking resistance, all be significantly increased with the sticking power of base material, impact resistance, thermal conductivity, it is low that this coating has cost, and consumption is few, and effect is lasting, feature easy to use, has widespread use and good economic benefit.
Embodiment
In the present invention,
Graphene is obtained by following methods: get a certain amount of sour flat band ink, in atmosphere 1000 DEG C of process 1h, then at 7%H
2nitrogen and hydrogen mixture in 1000 DEG C of in-situ reducing process 1.5h, add the macrogol ester of mass ratio 3% and tetracarboxylic dianhydride's dinaphthyl of mass ratio 5.0% again, the slurry that concentration is 80.0% is made into water, first under power is the ultrasonic assistant of 400W, carry out 3500r/min ball milling 8h, 2000r/min ball milling 4h is carried out under being adjusted to 200W ultrasonic wave again, be separated through supercentrifuge 10000r/min after ball milling, lyophilize, obtain Graphene solid.
Calcium carbonate is quantum dot calcium carbonate, its preparation method can prepare the method for nano calcium carbonate quantum dot with reference to a kind of microemulsion system disclosed in Chinese patent CN103570051B, specifically first prepare the nano-calcium carbonate microemulsion of 1 ~ 3nm, then through rotary evaporation also dry obtained quantum dot calcium carbonate powders.
The preparation method of nano-kaoline is as follows: by 150g kaolin ore with the rotating speed ball milling 60min of 1500r/min, then insert in 5L deionized water, add 220g Potassium ethanoate and stir 60min, suction filtration cleaning is about 7 to pH value, then with the rotating speed ball milling 60min of 1200r/min after drying under 80 degree of conditions, carry out 1800r/min ball milling 1h under being adjusted to 300W ultrasonic wave again, obtain the kaolin powder of particle diameter in 10 ~ 30 nanometers.
The preparation method of graphene/carbon acid calcium compounded mix is as follows: added by 1g Graphene in 100ml deionized water, obtained graphene dispersing solution after dispersion 180 ~ 200min under 800 ~ 1000kW ultrasonic vibration and 500 ~ 1000r/min centrifugal speed stir; 100g quantum dot calcium carbonate is added in 500ml deionized water, obtained calcium carbonate dispersion liquid after dispersion 240 ~ 300min under 1200 ~ 1500kW ultrasonic vibration and 1000 ~ 1200r/min centrifugal speed stir; At the ultrasonic lower slow dropping calcium carbonate dispersion liquid of 50kW in graphene dispersing solution, ultrasonic 30 ~ 60min is suction filtration, oven dry then, obtained graphene/carbon acid calcium compounded mix.
The preparation method of Graphene/kaolin compounded mix is as follows: added by 1g Graphene in 100ml deionized water, obtained graphene dispersing solution after dispersion 180 ~ 200min under 800 ~ 1000kW ultrasonic vibration and 500 ~ 800r/min centrifugal speed stir; 50g nano kaoline is added in 500ml deionized water, obtained Dispersion of Kaolin liquid after dispersion 240 ~ 300min under 1000 ~ 1200kW ultrasonic vibration and 800 ~ 1000r/min centrifugal speed stir; At the ultrasonic lower slow dropping Dispersion of Kaolin liquid of 50kW in graphene dispersing solution, ultrasonic 30 ~ 60min is suction filtration, oven dry then, obtained Graphene/kaolin compounded mix.
Below in conjunction with embodiment, the present invention will be described in detail, and embodiment is only the preferred embodiment of the present invention, is not limitation of the invention.
Embodiment 1
A kind of toner coating, it is made up of the raw material of following weight part: epoxy resin 75 parts, Graphene/filler mixing material 15 parts, auxiliary agent 5 parts and pigment 2 parts, and described Graphene/filler mixing material is that Graphene/kaolin compounded mix and graphene/carbon acid calcium compounded mix mix by weight 3:1.
A kind of toner preparation method for coating is as follows:
(1) Graphene, quantum dot calcium carbonate and kaolin powder is prepared;
(2) graphene/carbon acid calcium compounded mix and Graphene/kaolin compounded mix is prepared;
(3) Graphene/kaolin compounded mix and graphene/carbon acid calcium compounded mix are mixed into Graphene/filler mixing material by weight 3:1; This Graphene/filler mixing material, epoxy resin, auxiliary agent and pigment is put into high speed mixer in above-mentioned ratio mix; Then by mixture melting in the mixer of heat, fusion time 60min, melt temperature is divided into three regions, and district's temperature is 120 DEG C, and two district's temperature are 105 DEG C, and three district's temperature are 110 DEG C.Be melted into slurry like material to be extruded by screw machine again, roll-in is in blocks, cooling makes mixture solidified, is pressed into sheet stock subsequently, then sheet stock thing is ground to form granulated powders by gradation and lock out operation, its particle diameter is 100 μm, then described powder is applied to metal base by electrostatic spraying mode and electrostatic flu and is heated and make its powder particle melting, melt temperature is 250 DEG C, and the fusion time is 30min, thus making powder coating solidification, coating index is as table 1.
Embodiment 2
A kind of toner coating, it is made up of the raw material of following weight part: epoxy resin 75 parts, Graphene/filler mixing material 15 parts, auxiliary agent 5 parts and pigment 2 parts, and described Graphene/filler mixing material is that Graphene/kaolin compounded mix and graphene/carbon acid calcium compounded mix mix by weight 3:2.
A kind of toner preparation method for coating is as follows:
(1) Graphene, quantum dot calcium carbonate and kaolin powder is prepared;
(2) graphene/carbon acid calcium compounded mix and Graphene/kaolin compounded mix is prepared;
(3) Graphene/kaolin compounded mix and graphene/carbon acid calcium compounded mix are mixed into Graphene/filler mixing material by weight 3:2; This Graphene/filler mixing material, epoxy resin, auxiliary agent and pigment is put into high speed mixer in above-mentioned ratio mix; Then by mixture melting in the mixer of heat, fusion time 60min, melt temperature is divided into three regions, and district's temperature is 120 DEG C, and two district's temperature are 105 DEG C, and three district's temperature are 110 DEG C.Be melted into slurry like material to be extruded by screw machine again, roll-in is in blocks, cooling makes mixture solidified, is pressed into sheet stock subsequently, then sheet stock thing is ground to form granulated powders by gradation and lock out operation, its particle diameter is 100 μm, then described powder is applied to metal base by electrostatic spraying mode and electrostatic flu and is heated and make its powder particle melting, melt temperature is 250 DEG C, and the fusion time is 30min, thus making powder coating solidification, coating index is as table 1.
Embodiment 3
A kind of toner coating, it is made up of the raw material of following weight part: epoxy resin 80 parts, Graphene/filler mixing material 12 parts, auxiliary agent 5 parts and pigment 2 parts, and described Graphene/filler mixing material is that Graphene/kaolin compounded mix and graphene/carbon acid calcium compounded mix mix by weight 3:2.
A kind of toner preparation method for coating is as follows:
(1) Graphene, quantum dot calcium carbonate and kaolin powder is prepared;
(2) graphene/carbon acid calcium compounded mix and Graphene/kaolin compounded mix is prepared;
(3) Graphene/kaolin compounded mix and graphene/carbon acid calcium compounded mix are mixed into Graphene/filler mixing material by weight 3:2; This Graphene/filler mixing material, epoxy resin, auxiliary agent and pigment is put into high speed mixer in above-mentioned ratio mix; Then by mixture melting in the mixer of heat, fusion time 60min, melt temperature is divided into three regions, and district's temperature is 120 DEG C, and two district's temperature are 105 DEG C, and three district's temperature are 110 DEG C.Be melted into slurry like material to be extruded by screw machine again, roll-in is in blocks, cooling makes mixture solidified, is pressed into sheet stock subsequently, then sheet stock thing is ground to form granulated powders by gradation and lock out operation, its particle diameter is 100 μm, then described powder is applied to metal base by electrostatic spraying mode and electrostatic flu and is heated and make its powder particle melting, melt temperature is 250 DEG C, and the fusion time is 30min, thus making powder coating solidification, coating index is as table 1.
Embodiment 4
A kind of toner coating, it is made up of the raw material of following weight part: epoxy resin 75 parts, Graphene/filler mixing material 15 parts, auxiliary agent 5 parts and pigment 2 parts, and described Graphene/filler mixing material is that Graphene/kaolin compounded mix and graphene/carbon acid calcium compounded mix mix by weight 1:2.
A kind of toner preparation method for coating is as follows:
(1) Graphene, quantum dot calcium carbonate and kaolin powder is prepared;
(2) graphene/carbon acid calcium compounded mix and Graphene/kaolin compounded mix is prepared;
(3) Graphene/kaolin compounded mix and graphene/carbon acid calcium compounded mix are mixed into Graphene/filler mixing material by weight 1:2; This Graphene/filler mixing material, epoxy resin, auxiliary agent and pigment is put into high speed mixer in above-mentioned ratio mix; Then by mixture melting in the mixer of heat, fusion time 60min, melt temperature is divided into three regions, and district's temperature is 120 DEG C, and two district's temperature are 105 DEG C, and three district's temperature are 110 DEG C.Be melted into slurry like material to be extruded by screw machine again, roll-in is in blocks, cooling makes mixture solidified, is pressed into sheet stock subsequently, then sheet stock thing is ground to form granulated powders by gradation and lock out operation, its particle diameter is 100 μm, then described powder is applied to metal base by electrostatic spraying mode and electrostatic flu and is heated and make its powder particle melting, melt temperature is 250 DEG C, and the fusion time is 30min, thus making powder coating solidification, coating index is as table 1.
Embodiment 5
A kind of toner coating, it is made up of the raw material of following weight part: epoxy resin 75 parts, Graphene/filler mixing material 15 parts, auxiliary agent 5 parts and pigment 2 parts, and described Graphene/filler mixing material is Graphene/kaolin compounded mix, graphene/carbon acid calcium compounded mix and Graphene mix by weight 3:2:2.
A kind of toner preparation method for coating is as follows:
(1) Graphene, quantum dot calcium carbonate and kaolin powder is prepared;
(2) graphene/carbon acid calcium compounded mix and Graphene/kaolin compounded mix is prepared;
(3) Graphene/kaolin compounded mix, graphene/carbon acid calcium compounded mix and Graphene are mixed into Graphene/filler mixing material by weight 3:2:2; This Graphene/filler mixing material, epoxy resin, auxiliary agent and pigment is put into high speed mixer in above-mentioned ratio mix; Then by mixture melting in the mixer of heat, fusion time 60min, melt temperature is divided into three regions, and district's temperature is 120 DEG C, and two district's temperature are 105 DEG C, and three district's temperature are 110 DEG C.Be melted into slurry like material to be extruded by screw machine again, roll-in is in blocks, cooling makes mixture solidified, is pressed into sheet stock subsequently, then sheet stock thing is ground to form granulated powders by gradation and lock out operation, its particle diameter is 100 μm, then described powder is applied to metal base by electrostatic spraying mode and electrostatic flu and is heated and make its powder particle melting, melt temperature is 250 DEG C, and the fusion time is 30min, thus making powder coating solidification, coating index is as table 1.
Comparative example 1
Based on the preparation technology of embodiment 1, made into by Graphene/filler mixing material separately to add Graphene and filler, filler is at least one such as calcium carbonate, kaolin; All the other are identical with embodiment 1, and obtained coating index is as table 1.
Comparative example 2
Based on the preparation technology of embodiment 1, do not add Graphene/filler mixing material, obtained coating index is as table 1.
Comparative example 3
Based on the preparation technology of embodiment 1, changed into and only add filler by Graphene/filler mixing material, filler is at least one such as calcium carbonate, kaolin; All the other are identical with embodiment 2.
The coating index table that each embodiment of table 1 and comparative example obtain
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| Shock-resistance | 120 | 150 | 160 | 130 | 180 | 100 | 50 | 70 |
| Crooked experiment/mm | ≤4 | ≤2 | ≤2 | ≤3 | ≤1 | ≤5 | ≤7 | ≤5 |
| Cupping/mm | ≥4 | ≥8 | ≥8 | ≥8 | ≥8 | ≥3 | ≥1 | ≥1 |
| Hardness (scratch) | H | 3H | 4H | 2H | 5H | H | H | H |
| Sticking power/level | ≤1 | 0 | 0 | ≤1 | 0 | ≤2 | ≤3 | ≤3 |
| Salt fog resistance | 500h line place: the uncrossed district of corrosion≤2.0mm separately: without exception | 1800h line place: the uncrossed district of corrosion≤2.0mm separately: without exception | 2000h line place: the uncrossed district of corrosion≤2.0mm separately: without exception | 1200h line place: the uncrossed district of corrosion≤2.0mm separately: without exception | 2500h line place: the uncrossed district of corrosion≤2.0mm separately: without exception | 500h line place: the uncrossed district of corrosion≤5.0mm separately: without exception | 400h line place: the uncrossed district of corrosion≤8.0mm separately: slight corrosion | 400h line place: the uncrossed district of corrosion≤6.0mm separately: slight corrosion |
The above embodiment only have expressed embodiments of the present invention; it describes comparatively concrete and detailed; but therefore can not be interpreted as the restriction to the scope of the claims of the present invention; in every case the technical scheme adopting the form of equivalent replacement or equivalent transformation to obtain, all should drop within protection scope of the present invention.
Claims (6)
1. a toner coating, it is made up of the raw material of following weight part: epoxy resin 70 ~ 80 parts, Graphene/filler mixing material 10 ~ 15 parts, auxiliary agent 1 ~ 5 part and pigment 1 ~ 2 part, described Graphene/filler mixing material be Graphene/kaolin compounded mix and graphene/carbon acid calcium compounded mix by weight (1 ~ 3): (1 ~ 2) mixes.
2. toner coating according to claim 1, is characterized in that, described Graphene/filler mixing material is that Graphene/kaolin compounded mix and graphene/carbon acid calcium compounded mix mix by weight 3:2.
3. toner coating according to claim 1, it is characterized in that, the preparation method of described graphene/carbon acid calcium compounded mix is as follows: added by 1g Graphene in 100ml deionized water, obtained graphene dispersing solution after dispersion 180 ~ 200min under 800 ~ 1000kW ultrasonic vibration and 500 ~ 1000r/min centrifugal speed stir; 100g quantum dot calcium carbonate is added in 500ml deionized water, obtained calcium carbonate dispersion liquid after dispersion 240 ~ 300min under 1200 ~ 1500kW ultrasonic vibration and 1000 ~ 1200r/min centrifugal speed stir; At the ultrasonic lower slow dropping calcium carbonate dispersion liquid of 50kW in graphene dispersing solution, ultrasonic 30 ~ 60min is suction filtration, oven dry then, obtained graphene/carbon acid calcium compounded mix.
4. toner coating according to claim 1, it is characterized in that, the preparation method of described Graphene/kaolin compounded mix is as follows: added by 1g Graphene in 100ml deionized water, obtained graphene dispersing solution after dispersion 180 ~ 200min under 800 ~ 1000kW ultrasonic vibration and 500 ~ 800r/min centrifugal speed stir; 50g nano kaoline is added in 500ml deionized water, obtained Dispersion of Kaolin liquid after dispersion 240 ~ 300min under 1000 ~ 1200kW ultrasonic vibration and 800 ~ 1000r/min centrifugal speed stir; At the ultrasonic lower slow dropping Dispersion of Kaolin liquid of 50kW in graphene dispersing solution, ultrasonic 30 ~ 60min is suction filtration, oven dry then, obtained Graphene/kaolin compounded mix.
5. the toner coating according to claim 3 or 4, is characterized in that, described Graphene is obtained by following methods: get a certain amount of sour flat band ink, in atmosphere 1000 DEG C of process 1h, then at 7%H
2nitrogen and hydrogen mixture in 1000 DEG C of in-situ reducing process 1.5h, add the macrogol ester of mass ratio 3% and tetracarboxylic dianhydride's dinaphthyl of mass ratio 5.0% again, the slurry that concentration is 80.0% is made into water, first under power is the ultrasonic assistant of 400W, carry out 3500r/min ball milling 8h, 2000r/min ball milling 4h is carried out under being adjusted to 200W ultrasonic wave again, be separated through supercentrifuge 10000r/min after ball milling, lyophilize, obtain Graphene solid.
6. toner coating according to claim 4, it is characterized in that, the preparation method of described nano kaoline is as follows: by 150g kaolin ore with the rotating speed ball milling 60min of 1500r/min, then insert in 5L deionized water, add 220g Potassium ethanoate and stir 60min, suction filtration cleaning is 7 to pH value, then with the rotating speed ball milling 60min of 1200r/min after drying under 80 degree of conditions, carry out 1800r/min ball milling 1h under being adjusted to 300W ultrasonic wave again, obtain the kaolin powder of particle diameter in 10 ~ 30 nanometers.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948887.1A CN105348997A (en) | 2015-12-18 | 2015-12-18 | Resin powder coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948887.1A CN105348997A (en) | 2015-12-18 | 2015-12-18 | Resin powder coating |
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| CN105348997A true CN105348997A (en) | 2016-02-24 |
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| CN201510948887.1A Withdrawn CN105348997A (en) | 2015-12-18 | 2015-12-18 | Resin powder coating |
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Cited By (3)
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| CN106368058A (en) * | 2016-08-27 | 2017-02-01 | 浙江理工大学 | Preparation method for graphene modified paper coating |
| CN108485521A (en) * | 2018-01-31 | 2018-09-04 | 枞阳县三金颜料有限责任公司 | A kind of non-skid coating |
| CN115895390A (en) * | 2022-11-22 | 2023-04-04 | 浙江绿环新材料科技有限公司 | Preparation process of composite graphene anticorrosive powder coating |
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| CN106368058A (en) * | 2016-08-27 | 2017-02-01 | 浙江理工大学 | Preparation method for graphene modified paper coating |
| CN108485521A (en) * | 2018-01-31 | 2018-09-04 | 枞阳县三金颜料有限责任公司 | A kind of non-skid coating |
| CN115895390A (en) * | 2022-11-22 | 2023-04-04 | 浙江绿环新材料科技有限公司 | Preparation process of composite graphene anticorrosive powder coating |
| CN115895390B (en) * | 2022-11-22 | 2024-01-30 | 浙江绿环新材料科技有限公司 | Preparation process of composite graphene anticorrosive powder coating |
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