TWI792839B - Nano corrosion and weather resistant resin coating - Google Patents

Abstract

A resin coating is provided, including a delaminated carbon allotrope and a resin. As for the delaminated carbon allotrope, a lateral size is less than 10 μm, a thickness is less than 5 nm, an apparent density is less than 0.15 g/cm ³, a carbon content is higher than 98.5%, an oxygen content is less than 0.1 %, and a moisture content is less than 5%.

Description

Nano anti-corrosion and weather-resistant resin coating

This invention relates to a resin coating, and more particularly to a resin coating containing an allotrope of delaminated carbon.

In outdoor environments, resin coatings are usually used to coat objects and equipment (such as railings, pipes, or building materials such as doors and windows) for protection or decoration. However, when the resin coating is exposed to the outdoor environment for a long time, under the action of the sun, the service life may be shortened due to the damage to the resin by UV light, and there are also safety risks. On the other hand, in terms of marine coatings, storage tank coatings and laboratory reactor coatings, resin coatings are also required to have better chemical resistance and corrosion resistance, so as to be used in harsh environments and highly corrosive environments.

In the existing primer-finish composite coating, the factors causing corrosion include environmental factors, engineering factors or other human factors. Environmental factors such as acid rain, sea breeze (salt), humidity or strong sunlight; engineering factors such as impact and knock on iron parts, poor paint adhesion, poor water and vapor resistance of paint, poor weather resistance of topcoat, insufficient protection of primer or Poor surface preparation; other human factors such as scratches, impacts, or other corrosive chemicals in the environment.

Based on the above, how to improve the chemical resistance, heat insulation, UV resistance, adhesion and corrosion resistance of resin coatings is an important issue in the technical development of this field.

The invention provides a resin coating, which has better chemical resistance, heat insulation, anti-UV characteristics (increased light absorption value), corrosion resistance, high adhesion and reducing power to metal substrates, and is suitable for outdoor coatings, marine Coatings, tank coatings and laboratory reactor coatings.

The resin coating of the present invention includes the first allotrope of carbon exfoliated and the first resin. The first allotrope of interlayer exfoliated carbon has a lateral dimension of less than 10 μm, a thickness of less than 5 nm, an apparent density of less than 0.15 g/cm3, a carbon content of more than 98.5%, an oxygen content of less than 0.1%, and a moisture content of less than 5% .

In one embodiment of the present invention, based on the total weight of the resin coating, the content of the first allotrope of interlayer exfoliated carbon is 0.05 wt% to 1 wt%, and the content of the first resin is 25 wt% to 1 wt%. 35 wt%.

In an embodiment of the present invention, the first exfoliated carbon allotrope includes graphene, carbon nanotubes or a combination thereof.

In an embodiment of the present invention, the first resin includes epoxy resin (Epoxy), polyaspartic acid, silicone resin or polysilicate water-based resin.

In an embodiment of the present invention, the method for delamination of the first delaminated carbon allotrope includes the following steps. The graphite raw material is subjected to a continuous high-speed reciprocating rolling process to produce a graphite precursor, and the graphite precursor has a dislocation-slip structure. Afterwards, the graphite precursor is subjected to an intercalation reaction by means of a horizontally compressed gas flow to form an intercalation compound between graphene and the gas. Then, the graphene and gaseous interlayer compounds undergo an expansion and exfoliation reaction by releasing the pressure of the interlayer gas flow to form graphene aggregates. Then, the graphene aggregates are suspended and drifted in the airflow and collide with each other to produce graphene powder flocs.

In one embodiment of the present invention, the resin coating is used as a primer, and a topcoat is arranged on the primer, and the topcoat includes a second allotrope of delaminated carbon, which has a transverse dimension of less than 10 μm and a thickness of less than 5 μm. nm, the apparent density is less than 0.15 g/cm ³ , the carbon content is greater than 98.5%, the oxygen content is less than 0.1%, and the moisture content is less than 5%.

In one embodiment of the present invention, a mid-coat paint is provided between the primer and the top coat, the mid-coat paint includes a third allotrope of carbon exfoliated between layers, its lateral dimension is less than 10 μm, and its thickness is less than 5 nm, representing The apparent density is less than 0.15 g/cm ³ , the carbon content is greater than 98.5%, the oxygen content is less than 0.1%, and the moisture content is less than 5%.

In an embodiment of the present invention, the second exfoliated carbon allotrope includes graphene, carbon nanotubes or a combination thereof.

In one embodiment of the present invention, the topcoat further includes a second resin, and the second resin includes aspartic acid, silicone resin or silicate water-based resin, fluorine (fluorocarbon) resin, acrylic resin or poly Urea resin.

In an embodiment of the present invention, the top coat further includes hollow glass balls or ceramic balls.

In an embodiment of the present invention, the third exfoliated carbon allotrope includes graphene, carbon nanotubes or a combination thereof.

In an embodiment of the present invention, the intermediate paint further includes a third resin, and the third resin includes epoxy resin, acrylic resin or polyurea resin.

In an embodiment of the present invention, the intermediate paint further includes mica or mica iron oxide.

In an embodiment of the present invention, the method for exfoliating the second exfoliated carbon allotrope includes the following steps. The graphite raw material is subjected to a continuous high-speed reciprocating rolling process to produce a graphite precursor, and the graphite precursor has a dislocation-slip structure. Afterwards, the graphite precursor is subjected to an intercalation reaction by means of a horizontally compressed gas flow to form an intercalation compound between graphene and the gas. Then, the graphene and gaseous interlayer compounds undergo an expansion and exfoliation reaction by releasing the pressure of the interlayer gas flow to form graphene aggregates. Then, the graphene aggregates are suspended and drifted in the airflow and collide with each other to produce graphene powder flocs.

In an embodiment of the present invention, the third delamination method of the delaminated carbon allotrope includes the following steps. The graphite raw material is subjected to a continuous high-speed reciprocating rolling process to produce a graphite precursor, and the graphite precursor has a dislocation-slip structure. Afterwards, the graphite precursor is subjected to an intercalation reaction by means of a horizontally compressed gas flow to form an intercalation compound between graphene and the gas. Then, the graphene and gaseous interlayer compounds undergo an expansion and exfoliation reaction by releasing the pressure of the interlayer gas flow to form graphene aggregates. Then, the graphene aggregates are suspended and drifted in the airflow and collide with each other to produce graphene powder flocs.

In an embodiment of the present invention, the resin coating further includes a dispersant, and the dispersant is composed of sodium sulfite salt having multiple benzene rings and vinyl structures.

In one embodiment of the present invention, based on the total weight of the resin coating, the content of the dispersant is 0.1 wt% to 0.5 wt%.

Based on the above, the resin coating of the present invention is used as a primer, has conductivity, and can increase the reducing ability of zinc powder and the adhesion of resin. The topcoat set on the primer has excellent light absorption ability and weather resistance, so that the resin will not be pulverized or deteriorated, thereby effectively protecting the primer and intermediate paint. The intermediate paint placed between the primer and the top coat prevents moisture from passing through to the surface of the substrate.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail as follows.

Herein, a range indicated by "one value to another value" is a general representation which avoids enumerating all values in the range in the specification. Therefore, the description of a specific numerical range covers any numerical value in the numerical range and the smaller numerical range bounded by any numerical value in the numerical range, as if the arbitrary numerical value and the smaller numerical value are expressly written in the specification. same range. ＜Primer＞ _ _

The invention provides a kind of resin paint, which comprises the first allotrope of carbon exfoliated between layers and resin. The lateral dimension of the first allotrope of carbon exfoliated is, for example, less than 10 μm, the thickness is, for example, less than 5 nm, the apparent density is, for example, less than 0.15 g/cm3, the carbon content is, for example, greater than 98.5%, and the oxygen content is, for example, is less than 0.1%, and the moisture content is, for example, less than 5%. In addition, through the BET test, the specific surface area of the first allotrope of carbon exfoliated between layers is, for example, 10 m ² /g to 30 m ² /g; using FTIR test, there are functional groups such as CO, OH, and COOH . The particle size of the first allotrope of carbon exfoliated is, for example, 1 μm to 20 μm, and the ID/IG ratio obtained by Raman test is, for example, 0.0 to 0.3. In this way, when the resin coating is used as a primer, it has conductivity and cathodic protection, supplies electrons to avoid corrosion, and can increase the reducing ability of zinc powder and the adhesion of resin.

In this embodiment, the method for exfoliating the first exfoliated carbon allotrope includes the following steps. The graphite raw material is subjected to a continuous high-speed reciprocating rolling process to produce a graphite precursor, and the graphite precursor has a dislocation-slip structure. Afterwards, the graphite precursor is subjected to an intercalation reaction by means of a horizontally compressed gas flow to form an intercalation compound between graphene and the gas. Then, the graphene and gaseous interlayer compounds undergo an expansion and exfoliation reaction by releasing the pressure of the interlayer gas flow to form graphene aggregates. Then, the graphene aggregates are suspended and drifted in the airflow and collide with each other to produce graphene powder flocs.

In this embodiment, based on the total weight of the resin coating, the content of the first allotrope of interlayer exfoliated carbon is, for example, 0.05 wt% to 1 wt%, and the content of the first resin is, for example, 25 wt% to 35 wt%. wt%. The first exfoliated carbon allotrope may include graphene, carbon nanotubes or a combination thereof, and the first resin may include epoxy resin (Epoxy), polyaspartic acid, siloxane resin or polysilicon Salt water-based resin. In more detail, the resin coating of the present invention can be made into an oil-based primer or a water-based primer, and the formula composition is thus different. Regardless of whether it is an oil-based primer or a water-based primer, the formulation does not use heavy metal lead, and the amount of zinc powder used is minimized to reduce costs.

In the oil-based primer, based on the total weight of the resin coating, the content of the first allotrope of interlayer exfoliated carbon is, for example, 0.1 wt% to 1 wt% (to increase corrosion resistance), and the content of the first resin For example, it is 30 wt% to 35 wt% (related to film formation), the content of thickener is, for example, 0.1 wt% to 1 wt% (to increase the viscosity), and the content of xylene solvent is, for example, 2 wt% to 4 wt%. , the content of n-butyl acetate solvent is such as 10 wt% to 20 wt%, and the content of dispersing agent is such as 0.1 wt% to 1 wt% (can increase coating wettability, and make the carbon of the first interlayer stripping The allotrope is evenly dispersed in the paint), the content of leveling agent is, for example, 0.1 wt% to 1 wt% (to make the painting smooth), and the content of mica is, for example, 20 wt% to 30 wt% (to slow down the penetration of corrosion factors) , the content of titanium dioxide is, for example, 8 wt% to 18 wt% (color hiding power), and the content of curing agent (crosslinking agent) is, for example, 10 wt% to 20 wt%.

In the water-based primer, based on the total weight of the resin coating, the content of the first allotrope of carbon exfoliated through the layers is, for example, 0.1 wt% to 1 wt% (to increase corrosion resistance), and the content of the first resin For example, it is 20 wt% to 30 wt%, the content of zinc powder is, for example, 70 wt% to 80 wt% (related to reducing ability), and the content of anti-sedimentation agent is, for example, 0.1 wt% to 1 wt% (to avoid precipitation). ＜ Finish coat ＞

The resin coating of the present invention is used as a primer, and a topcoat can be provided on the primer, and the topcoat includes a second carbon allotrope, a second resin, and hollow glass or ceramic balls through interlayer exfoliation to increase the Insulation ability in turn protects primers and primers. The second allotrope of interlayer exfoliated carbon has a lateral dimension of less than 10 μm, a thickness of less than 5 nm, an apparent density of less than 0.15 g/cm ³ , a carbon content of more than 98.5%, an oxygen content of less than 0.1%, and a moisture content of less than 5%. In addition, through the BET test, the specific surface area of the second allotrope of interlayer exfoliated carbon is, for example, 5 m ² /g to 30 m ² /g; using FTIR test, there are functional groups such as CO, OH, and COOH . The particle size of the second allotrope of interlayer exfoliated carbon is, for example, 1 μm to 20 μm, and the ID/IG ratio obtained by Raman test is, for example, 0.0 to 0.3. In this way, the top paint of the present invention has strong light-absorbing ability and weather resistance, which can prevent the resin from pulverizing or deteriorating, thereby effectively protecting the primer and the primer.

In this embodiment, the method for exfoliating the second exfoliated carbon allotrope includes the following steps. The graphite raw material is subjected to a continuous high-speed reciprocating rolling process to produce a graphite precursor, and the graphite precursor has a dislocation-slip structure. Afterwards, the graphite precursor is subjected to an intercalation reaction by means of a horizontally compressed gas flow to form an intercalation compound between graphene and the gas. Then, the graphene and gaseous interlayer compounds undergo an expansion and exfoliation reaction by releasing the pressure of the interlayer gas flow to form graphene aggregates. Then, the graphene aggregates are suspended and drifted in the airflow and collide with each other to produce graphene powder flocs.

In this embodiment, the second exfoliated carbon allotrope may include graphene, carbon nanotubes, or a combination thereof, and the second resin may include aspartic acid, siloxane resin, or silicate water-based resin, fluorine (fluorocarbon) resin, acrylic resin or polyurea resin. Based on the total weight of the topcoat composition, the content of the second carbon allotrope exfoliated between layers is, for example, 0.1 wt% to 1 wt% (to increase corrosion resistance), and the content of the second resin is, for example, 30 wt % to 40 wt% (relevant to film formation), the content of thickener is, for example, 0.1 wt% to 1 wt% (to increase the viscosity), the content of xylene solvent is, for example, 2 wt% to 4 wt%, n-butyl acetate The content of ester solvent is, for example, 1 wt% to 10 wt%, the content of dispersant, for example, is 0.1 wt% to 1 wt% (it can increase the coating wettability), and the content of leveling agent is, for example, 0.1 wt% to 1 wt% % (to make the painting smooth), the content of titanium dioxide is, for example, 30 wt% to 40 wt% (weather-resistant and anti-UV white pigment), the content of calcium sulfate filler powder is, for example, 10 wt% to 20 wt%, the content of mica filler powder For example, it is 10 wt% to 20 wt%, the content of anti-settling agent is, for example, 0.1 wt% to 1 wt% (to avoid precipitation), and the content of crosslinking agent is, for example, 3 wt% to 13 wt%. ＜ Intermediate coating ＞

In the present invention, an intermediate paint can be placed between the primer and the top paint, and the intermediate paint includes a third allotrope of carbon exfoliated between layers, a third resin, and mica or micaceous iron oxide. The lateral dimension of the third allotrope of carbon exfoliated is, for example, less than 10 μm, the thickness is, for example, less than 5 nm, the apparent density is, for example, less than 0.15 g/cm ³ , the carbon content is, for example, greater than 98.5%, and the oxygen content is, for example, For example, it is less than 0.1%, and the moisture content is, for example, less than 5%. In addition, through the BET test, the specific surface area of the third allotrope of carbon exfoliated between layers is, for example, 10 m ² /g to 50 m ² /g; using FTIR test, there are functional groups such as CO, OH, and COOH . The particle size of the third allotrope of interlayer exfoliated carbon is, for example, 1 μm to 20 μm, and the ID/IG ratio obtained by Raman test is, for example, 0.0 to 0.3. In this way, the primer can effectively prevent moisture from passing through to the substrate surface.

In this embodiment, the third delamination method of the delaminated carbon allotrope includes the following steps. The graphite raw material is subjected to a continuous high-speed reciprocating rolling process to produce a graphite precursor, and the graphite precursor has a dislocation-slip structure. Afterwards, the graphite precursor is subjected to an intercalation reaction by means of a horizontally compressed gas flow to form an intercalation compound between graphene and the gas. Then, the graphene and gaseous interlayer compounds undergo an expansion and exfoliation reaction by releasing the pressure of the interlayer gas flow to form graphene aggregates. Then, the graphene aggregates are suspended and drifted in the airflow and collide with each other to produce graphene powder flocs.

In this embodiment, the third exfoliated carbon allotrope may include graphene, carbon nanotubes or a combination thereof, and the third resin may include epoxy resin, acrylic resin or polyurea resin. Based on the total weight of the intermediate paint composition, the content of the third allotrope of interlayer exfoliated carbon is, for example, 0 wt% to 0.5 wt%, and the content of the third resin is, for example, 30 wt% to 40 wt% (into film effect), the content of mica is, for example, 10 wt% to 20 wt% (XX), the content of thickener is, for example, 0.1 wt% to 1 wt% (to increase the viscosity), and the content of xylene solvent is, for example, 2 wt % to 4 wt%, the content of n-butyl acetate solvent is, for example, XX wt% to XX wt%, the content of dispersant, for example, is 0.1wt% to 1 wt% (can increase coating wettability), leveling agent The content is, for example, 0.1 wt% to 1 wt% (to make the painting smooth), the content of Al/Zr surface treatment _TiO2 is, for example, 30 wt% to 40 wt% (as a toner, filler), and the content of calcium sulfate filler powder is, for example, It is 10 wt% to 20 wt%, the content of mica filler powder is, for example, 10 wt% to 10 wt%, the content of functional filler is, for example, 0 wt% to 1 wt%, and the content of crosslinking agent is, for example, 3 wt%. to 13 wt%.

In the composite coating system of the primer, primer and topcoat of the present invention, the total coating thickness of the primer, primer and topcoat is, for example, 240 μm. The thickness of the primer is, for example, 80 μm to 120 μm, the thickness of the primer is, for example, 0 μm to 80 μm, and the thickness of the top coat is, for example, 60 μm to 120 μm. When the thickness of the topcoat is thick enough, it is not necessary to paint in the configuration. For example, when the thickness of the primer is, for example, 120 μm, and the thickness of the top coat is, for example, 120 μm, the thickness of the intermediate paint is, for example, 0 μm, that is, the intermediate paint may not be applied.

The composite paint system of the primer, intermediate paint and top paint of the present invention has good weather resistance, and the test result ΔE is 0.061. The evaluation method of adhesion adopts the hundred-grid adhesion test. The test method is to use a hundred-grid knife to draw 10×10 (100) small grids of 1 mm×1 mm on the surface of the test sample (glass material), and the depth of each line is and the bottom layer of the paint. Afterwards, use a brush to clean the debris in the test area, then use 3M No. 600 adhesive tape or equivalent adhesive tape to firmly stick the small grid under test, and wipe the tape vigorously with an eraser to increase the distance between the tape and the test area. The contact area and strength of the area. Then, grab one end of the tape with your hand, quickly tear off the tape in the vertical direction (90°), and perform the same test twice at the same position. The 100-grid adhesion test result of the primer, intermediate paint and topcoat composite coating system of the present invention is 4B, which has good adhesion.

Hereinafter, the composite coating system of the primer, mid-coat and topcoat proposed in the above-mentioned embodiments will be described in detail by means of experimental examples. However, the following experimental examples are not intended to limit the present invention. Experimental example

In order to prove that the primer, intermediate paint and topcoat composite coating system of the present invention have excellent chemical resistance, heat insulation, anti-UV characteristics (light absorption value improvement), corrosion resistance, adhesion and reducing power to metal substrates , the following is a special example of this experiment.

The composition and test results of the primer, intermediate paint and top coat composite coating system are listed in Table 1, Table 2 and Table 3 below. The ISO 12944 cycle aging test, QUV irradiation 96-hour pull-out test and ASTM D4541 test were carried out. The result of the hundred-grid knife test is 5B, and the result of the pull-out test exceeds 5MPa. Table 1 coating Example 1 Example 2 Example 3 Example 4 Primer formulation Bottom one Bottom one Bottom two Bottom two Primer thickness (μm) 120 120 120 120 top coat face one Noodle two face one Noodle two Topcoat thickness (μm) 120 120 120 120 Total thickness (μm) 240 240 240 240 Test Methods Salt spray 4200 hr Scores have rust but paint clings: Passes test Scores have rust but paint clings: Passes test Scores have rust but paint clings: Passes test Scores have rust but paint clings: Passes test Iso12944 cycle aging Run (25run) pass pass pass pass QUV irradiation for 96 hours Delta E <0.2 <0.2 <0.2 <0.2 Pull-off test ASTM D4541 ＞5MPa ＞5MPa ＞5 MPa ＞5 MPa Thermal conductivity ASTM C518-10 0.058 0.052 0.049 0.055 Table 2 Bottom one Bottom two raw material percentage raw material percentage epoxy resin 35 epoxy resin 30 Dispersant 1 leveling agent 1 leveling agent 1 Anti-settling agent 1 Anti-settling agent 4 Zinc powder 35 Titanium dioxide 17 Graphene 0.4 Zinc oxide 12 carbon tube 0.1 Aluminum Tripolyphosphate 19 Dispersant 1 Acetate solvent 7 Mica powder 20 Alcohol ether ester solvent 4 Acetate solvent 7.5 Alcohol ether ester solvent 4 table 3 face one Noodle two raw material percentage percentage resin 30 35 leveling agent 0.5 0.5 Calcium sulfate 11.7 11.7 Dispersant 0.5 0.5 Mica powder 10.8 12.3 Graphene 0.4 carbon tube 0.1 Titanium dioxide 25 25 Anti-settling agent 4 4 Acetate solvent 7 3 Alcohol ether ester solvent 3 1 Hollow glass ball 4 2 Hollow ceramic ball 3 5

In summary, the resin coating of the present invention is used as a primer, has conductivity, and can increase the reducing ability of zinc powder and the adhesion of resin. The topcoat set on the primer has excellent light absorption ability and weather resistance, so that the resin will not be pulverized or deteriorated, thereby effectively protecting the primer and intermediate paint. The intermediate paint placed between the primer and the top coat prevents moisture from passing through to the surface of the substrate. In addition, the results of the Baige adhesion test prove that the primer, intermediate paint and topcoat composite coating system of the present invention have good adhesion. The topcoat composite coating system has excellent antirust ability.

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Claims (16)

A resin coating, comprising: a first allotrope of carbon exfoliated between layers, the lateral dimension of which is less than 10 μm, the thickness less than 5 nm, the apparent density less than 0.15 g/cm ³ , the carbon content greater than 98.5%, and the oxygen content less than 0.1% , the moisture content is less than 5%; and the first resin, wherein the method of exfoliating the first exfoliated carbon allotrope comprises: performing a continuous high-speed reciprocating calendering process on the graphite raw material to produce a graphite precursor , the graphite precursor has a differential slip structure; the graphite precursor is subjected to an intercalation reaction by compressing the gas flow in the horizontal direction to form an interlayer compound between graphene and gas; the graphene is released by releasing the pressure of the interlayer gas flow Perform expansion and stripping reaction with the gas interlayer compound to form graphene aggregates; and make the graphene aggregates suspend and drift in the gas flow and collide with each other to generate graphene powder flocs. The resin coating according to claim 1, wherein based on the total weight of the resin coating, the content of the first allotrope of interlayer exfoliated carbon is 0.05wt% to 1wt%, and the first resin The content is 25wt% to 35wt%. The resin coating according to claim 1, wherein the first allotrope of interlayer-exfoliated carbon comprises graphene, carbon nanotubes or a combination thereof. The resin coating according to claim 1, wherein the first resin comprises epoxy resin (Epoxy), polyaspartic acid, silicone resin or polysilicate water-based resin. The resin coating as claimed in claim 1, wherein the resin coating is used as a primer, and a topcoat is arranged on the primer, and the topcoat includes a second allotrope of carbon exfoliated between layers, and its lateral direction The size is less than 10μm, the thickness is less than 5nm, the apparent density is less than 0.15g/cm ³ , the carbon content is greater than 98.5%, the oxygen content is less than 0.1%, and the moisture content is less than 5%. The resin coating according to claim 5, wherein a mid-coat paint is provided between the primer and the top coat, and the mid-coat paint includes a third allotrope of delaminated carbon whose lateral dimension is less than 10 μm , the thickness is less than 5nm, the apparent density is less than 0.15g/cm ³ , the carbon content is greater than 98.5%, the oxygen content is less than 0.1%, and the moisture content is less than 5%. The resin coating according to claim 5, wherein the second allotrope of interlayer-exfoliated carbon comprises graphene, carbon nanotubes or a combination thereof. The resin coating as described in claim 5, wherein the topcoat further includes a second resin, and the second resin includes aspartic acid, siloxane resin or silicate water-based resin, fluorine (fluorocarbon) tree ester, acrylic or polyurea resins. The resin coating according to claim 5, wherein the top coat further comprises hollow glass balls or ceramic balls. The resin coating according to claim 6, wherein the third allotrope of interlayer-exfoliated carbon comprises graphene, carbon nanotubes or a combination thereof. The resin coating according to claim 6, wherein the intermediate coating further includes a third resin, and the third resin includes epoxy resin, acrylic resin or polyurea resin. The resin coating according to claim 6, wherein the intermediate coating further includes mica or mica iron oxide. The resin coating as claimed in item 5, wherein the method for exfoliating the second carbon allotrope through interlayer exfoliation comprises: performing a continuous high-speed reciprocating calendering process on the graphite raw material to make a graphite precursor, so The graphite precursor has a differential slip structure; the graphite precursor undergoes an intercalation reaction by compressing the gas flow in the horizontal direction to form an interlayer compound between graphene and gas; the graphene and gas are released by releasing the pressure of the interlayer gas flow The interlayer compound undergoes expansion and peeling reactions to form graphene aggregates; and the graphene aggregates are suspended, drifted and collided with each other in the airflow to generate graphene powder flocs. The resin coating according to claim 6, wherein the method for delamination of the third allotrope of interlayer-exfoliated carbon comprises: performing a continuous high-speed reciprocating calendering process on the graphite raw material to make a graphite precursor, so The graphite precursor has a differential slip structure; the graphite precursor undergoes an intercalation reaction by compressing the gas flow in the horizontal direction to form an interlayer compound between graphene and gas; the graphene and gas are released by releasing the pressure of the interlayer gas flow The interlayer compound undergoes an expansion exfoliation reaction to form graphene aggregates; and The graphene aggregates are suspended and drifted in the airflow and collide with each other to produce graphene powder flocs. The resin coating according to claim 1 further includes a dispersant, and the dispersant is composed of sodium sulfite salt having multiple benzene rings and vinyl structures. The resin coating according to claim 15, wherein based on the total weight of the resin coating, the content of the dispersant is 0.1wt% to 0.5wt%.