JP2010064487A - Instrument containing thermal conduction promoting metal, and its coating method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve thermal conductivity of a coating layer of an instrument used by heating the instrument. <P>SOLUTION: In the instrument containing thermal conduction promoting metal. In a coating method has a three-layered coating layer wherein a coating liquid of an undercoating layer has a composition of polyamide NMP solution, water, PTFE dispersion liquid, carbon black dispersion liquid, and silica dispersion liquid; a coating liquid of an intermediate coating layer has a composition of PTFE dispersion liquid, water, aromatic hydrocarbon, triethylamine, oleic acid, surfactant, carbon black dispersion liquid, and mica; and a coating liquid of an upper coating layer has a composition of PTFE dispersion liquid, water, aromatic hydrocarbon, triethylamine, oleic acid, surfactant, and mica. In a coating method of the coating layer, an ink pigment to which metallic powder with high thermal conductivity is added to each coating layer surface, is sprayed by a sprayer, so that the metallic powder with high thermal conductivity is applied to each coating layer surface in an irregular point state. Thereafter, it is heat treated, and the coating layer and the metallic coating layer of the ink pigment are formed in concavo-convex of an irregular pattern on the surface. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a device including a metal for promoting heat conduction and a coating method thereof. More specifically, the present invention relates to a method of selectively applying a metal powder having high heat conductivity to define the boundary of each coating layer of the device. The present invention relates to a device including a metal for promoting heat conduction, which improves the thermal conductivity of the device by selectively heat-treating and coating, and a coating method thereof.

  Most of the common appliances that need to be coated on the surface are made of metal such as aluminum, and at first, appliances made only of metal were also used. For example, in the case of kitchen appliances, food and drinks were used. In order to prevent problems such as scratching the surface of the utensil in cooking or otherwise, the coating liquid is applied to the surface so that a coating layer is formed on the surface. Equipment was developed. Since then, devices with various types of coating layers on the surface have appeared in addition to various types of coating solutions.

  Among them, the so-called triple coating, in which an undercoat layer, an intermediate coat layer, and an overcoat layer are sequentially laminated on the surface of a device to form a coating layer, has come to be widely used.

  That is, as shown in FIG. 1, the triple coating layer applied to the surface of the device is coated on the molded metal layer 11 to form the undercoat layer 12, and then subjected to a primary heating and drying operation, and then coated again. After forming the intermediate coating layer 13, a secondary heating and drying operation is performed so that the coating surface is completely cured, and then the mineral particles 14 are separately applied on the intermediate coating layer 13.

  Then, the mineral particles 14 and the intermediate coating layer 13 are coated again to form the top coating layer 15 to complete the triple coating layer.

  Also, a discontinuous structure consisting of small spheres is formed by applying spatter inks of different colors when the undercoat layer 12 or the intermediate coat layer 13 is partially dried or sufficiently wet. By forming a coating layer and forming an overcoat layer 15 thereon, the discontinuous coating layer reveals a multicolor pattern in the triple coating layer, but the surface of the device is slightly protruded by itself. A triple coating layer has been developed to prevent scratching. Such triple-coated appliances have been used as representatives of appliances used in the kitchen.

  By the way, although the kitchen appliance of the above-mentioned form was explained as a representative for explaining the coating layer, all the coating layers on the appliance surface protect the appliance surface or express an aesthetic sense in the previous description. No particular mention is made of the influence of the composition component itself constituting the coating layer on the human body, only the role. When cooking food or drink for human consumption, the ingredients of the food and drink always come into contact with the coating layer formed on the surface of the kitchen utensil, so the coating layer component of the kitchen utensil becomes a raw material for food and drink. You can't overlook the fact that at least some influence.

  Because cooking utensils are cooking utensils for human consumption, physical characteristics to satisfy wear resistance are important, but above all, they have antibacterial and sterilizing characteristics that have a beneficial effect on the foods to be cooked. It is more important to have. Nevertheless, the conventional coating layer is limited only to improvement of physical properties such as wear resistance, and the composition component of the coating layer itself has no beneficial properties for the human body. There are problems.

  In addition, the triple coating for satisfying the wear resistance has a problem that the cooking standby time, that is, the preheating time becomes longer and the cooking efficiency is lowered as the thermal conductivity is lowered.

  The present invention has been devised to solve the above-mentioned problems, and the object of the present invention is to select either gold or silver, which is a metal having high thermal conductivity, at the boundary of each coating layer. By selectively coating, the thermal conductivity of each coating layer is improved.

  Another object is to improve the scratch resistance and wear resistance because the metal coating layer of the ink pigment applied in the form of dots on the top coat layer, which is the surface of the instrument, sufficiently protrudes upward.

  And it is in adding a thermal reaction effect to a cooking appliance by the metal coating layer of gold | metal | money or silver.

  In order to achieve such an object, the device including the heat conduction promoting metal of the present invention has a triple coating layer formed by sequentially laminating an undercoat layer, an intermediate coat layer and an overcoat layer on the surface. In the instrument, the coating solution of the primer layer in the triple coating layer has a composition of polyamide NMP (N-methyl-2-pyrrolidone) solution, water, PTFE dispersion, carbon black dispersion, silica dispersion, The coating liquid of the coating layer has a composition of PTFE dispersion, water, aromatic hydrocarbon, triethylamine, oleic acid, surfactant, carbon black dispersion, mica, and the coating liquid of the top coating layer is PTFE dispersion, water. , Aromatic hydrocarbon, triethylamine, oleic acid, surfactant, mica composition, and a metal powder having high thermal conductivity on each coating layer surface. The metal pigment is applied to the surface of the coat in an irregular point form by spraying the ink pigment to which the ink is added, and then heat treatment is performed so that the coating layer and the metal coating layer of the ink pigment are not coated on the surface. It is characterized by being formed with irregularities of a regular pattern.

  According to the present invention, the coating solution of the undercoat layer in the triple coating layer is 16.8 wt% polyamide NMP solution 4.1 wt% water, 67.2 wt% PTFE dispersion, 3.5 carbon black dispersion 3.5. The coating solution of the intermediate coating layer is 81.5% by weight of PTFE dispersion, 9.22% by weight of water, 3.14% by weight of aromatic hydrocarbons, and a composition of 8.4% by weight of silica dispersion. It has a composition of 0.46% by weight of triethylamine, 0.46% by weight of oleic acid, 0.33% by weight of surfactant, 3.35% by weight of carbon black dispersion, and 1.54% by weight of mica. The coating liquid was PTFE dispersion 89.25 wt%, water 6.53 wt%, aromatic hydrocarbon 1.09 wt%, triethylamine 0.32 wt%, oleic acid 0.32 wt%, surfactant 0.25 Heavy %, Having a composition of 2.24 wt% mica.

  According to the present invention, the metal powder is any selected from gold and silver.

  According to the present invention, the metal powder is made of a thin-film powder having a length of 1 nm to 1 mm on a side.

  According to the present invention, the metal powder is used in an amount of 0.05 to 5 parts by weight with respect to 100 parts by weight of the coating solution of the undercoat layer, the intermediate coat layer, or the top coat layer.

  According to the present invention, the metal coating layer is formed by directly applying the ink pigment containing the heat conductive metal powder on the intermediate coating layer without applying the top coating layer.

  According to the present invention, without applying the intermediate coating layer, the ink pigment containing the heat conductive metal powder is directly applied on the undercoat layer to form the metal coating layer.

  According to the present invention, the ink pigment coating liquid has a composition of PTFE dispersion, water, aromatic hydrocarbon, triethylamine, oleic acid, surfactant, and inorganic pigment dispersion.

  The method of coating a device containing the heat transfer enhancing metal of the present invention comprises the steps of sandblasting the surface of the device requiring coating to increase the surface area; cleaning the surface of the device; A layer coating solution is applied to the surface of the device in a thickness of 10 to 12 μm to form an undercoat layer, and then heat-treated at 200 ° C. for 15 minutes; containing a heat conductive metal powder on the undercoat layer; And spraying the ink pigment, followed by heat treatment at 405 to 415 ° C. for 20 minutes to form a metal coating layer having irregularly shaped irregularities.

  The method of coating a device containing the heat transfer enhancing metal of the present invention comprises the steps of sandblasting the surface of the device requiring coating to increase the surface area; cleaning the surface of the device; A layer coating solution is applied to the surface of the device at a thickness of 10 to 12 μm to form an undercoat layer, and then heat-treated at 200 ° C. for 15 minutes; a coating solution for the intermediate layer is formed to a thickness of 10 to 12 μm; After forming the wet intermediate coat layer on the undercoat layer, the ink pigment containing the heat conductive metal powder is sprayed on the intermediate coat layer from irregularities of irregular patterns. And forming a metal coating layer, followed by heat treatment at 405 to 415 ° C. for 20 minutes.

  The method of coating a device containing the heat conduction promoting metal of the present invention comprises the steps of sandblasting the surface of the device requiring coating to increase the surface area; cleaning the surface of the device; A layer coating solution is applied to the surface of the device in a thickness of 10 to 12 μm to form an undercoat layer and then dried at 200 ° C. for 15 minutes; a coating solution for the intermediate layer is formed to a thickness of 10 to 12 μm; Then, after forming a wet intermediate coat layer on the undercoat layer, an upper coat layer coating solution is applied on the intermediate coat layer in a thickness of 8 to 12 μm. Forming and drying at 200 to 300 ° C. for 15 minutes; and spraying an ink pigment containing a heat conductive metal powder onto the dried overcoat layer to form a metal coating layer comprising irregular irregularities Then, at 405 to 415 ° C., 2 Consisting of: heat treating minutes.

  According to the present invention, a transparent discontinuous coating layer may be further formed on the heat conductive metal coating layer formed on the undercoat layer, the intermediate coat layer, and the overcoat layer.

  As described above, the device including the metal for promoting heat conduction according to the present invention and the coating method thereof are selectively used at the boundary between the coating layers by selecting either gold or silver, which is a metal having high heat conductivity. Coating on the coating layer improves heat transfer to each coating layer side, shortens the preheating time of cooking utensils, enables quick cooking, and saves gas consumption during cooking. There is an effect that the calorific value can be reduced.

  In addition, the device including the metal for promoting heat conduction according to the present invention and the coating method thereof are sufficient in that the metal coating layer of the ink pigment applied in the form of dots on the top coating layer, which is the surface of the device, faces upward. For example, when used for cooking utensils, scratch resistance and abrasion resistance are improved so that scratches do not occur. There is an effect that the cleaning power is improved.

  Furthermore, the device including the metal for promoting heat conduction according to the present invention and the coating method thereof have high electrical conductivity and high thermal conductivity, bactericidal action, antibacterial action, deodorizing effect, anion generation, There is an effect that a cooking utensil having a water purification effect can be provided.

The perspective view showing the coating state of the instrument concerning a prior art Flowchart showing the coating stage of the device according to the invention The perspective view showing the instrument concerning this invention The partial expanded sectional view showing the coating layer of the instrument concerning this invention The partial expanded sectional view showing the other Example of the coating layer of the instrument concerning this invention

  Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

  First, in the drawings, the same components or parts are denoted by the same reference numerals as much as possible. In describing the present invention, specific descriptions of related known functions or configurations are omitted so as not to obscure the subject matter of the present invention.

  As used herein, the terms “about”, “substantially”, etc., mean that the numerical value, or a value close to that numerical value, when manufacturing and material tolerances inherent in the stated meaning are presented. Used in.

  FIG. 2 is a flowchart illustrating a coating step of the device according to the present invention, FIG. 3 is a perspective view illustrating the device according to the present invention, and FIG. 4 is a partially enlarged view illustrating a coating layer of the device according to the present invention. FIG. 5 is a partial enlarged cross-sectional view showing another embodiment of the coating layer of the device according to the present invention.

  First, as shown in FIGS. 2 to 5, a device including the heat conduction promoting metal of the present invention and a coating method thereof are as follows.

  An undercoat layer 110, an intermediate coat layer 120, and an overcoat layer 130 are sequentially laminated on the surface of the device 10 to form the triple coating layer 100.

  The coating liquid for the topcoat layer has a composition of PTFE dispersion, water, aromatic hydrocarbon, triethylamine, oleic acid, surfactant, mica, and a metal powder having high thermal conductivity on the surface of each coating layer. The added ink pigment is sprayed with a sprayer so that the metal powder is applied on the surface of the coating in irregular points. After that, the coating layer and the metal coating layer of the ink pigment are irregular on the surface by heat treatment. It should be formed with uneven patterns.

  The metal powder is selected from the group consisting of metals having high thermal conductivity such as gold and silver.

  Table 1 shows the thermal conductivity, temperature conductivity, etc. of the metal used in the metal powder applied in the present invention.

  By applying gold or silver with high thermal conductivity and temperature conductivity shown in the above table, when used for cooking utensils, cooking standby time and preheating time are shortened, and thermal efficiency is improved during cooking be able to.

  Here, the metal powder may be in the form of a normal powder, or may be in the form of a thin film having a side length of 1 nm to 1 mm.

  This diversifies the shape of the powder and takes into account the aesthetic effect of the metal coating layer coated on the surface of the device, while at the same time ensuring improved thermal conductivity through a thin film metal powder having a large width.

  And the composition of the coating liquid of each coating layer which comprises a triple coating layer is as follows.

  The coating solution for the undercoat layer 110 has a composition of an NMP solution of polyamide, water, a PTFE dispersion, a carbon black dispersion, and a silica dispersion.

  Specifically, the coating liquid for the undercoat layer 110 is 16.8% by weight of polyamide NMP solution, 4.1% by weight of water, 67.2% by weight of PTFE dispersion, and 3.5% by weight of carbon black dispersion. And a composition of 8.4% by weight of silica dispersion.

  The coating liquid for the intermediate coating layer 120 has a composition of PTFE dispersion, water, aromatic hydrocarbon, triethylamine, oleic acid, surfactant, carbon black dispersion, and mica.

Specifically, the coating solution for the intermediate coating layer 120 is composed of 81.5% by weight of PTFE dispersion, 9.22% by weight of water, 3.14% by weight of aromatic hydrocarbon, 0.46% by weight of triethylamine, 0 .46 wt%, surfactant 0.33% wt, carbon black dispersion 3.35 wt%, mica 1.54 wt%.
Further, the coating liquid of the top coat layer 130 has a composition of PTFE dispersion, water, aromatic hydrocarbon, triethylamine, oleic acid, surfactant, and mica.

  Specifically, the coating liquid of the top coat layer 130 is PTFE dispersion 89.25 wt%, water 6.53 wt%, aromatic hydrocarbon 1.09 wt%, triethylamine 0.32 wt%, oleic acid It has a composition of 0.32% by weight, surfactant 0.25% by weight, mica 2.24% by weight.

  The metal powder is used in an amount of 0.05 to 5 parts by weight with respect to 100 parts by weight of each coating solution of the undercoat layer 110, the intermediate coat layer 120, or the overcoat layer 130 having the above blending ratio. To do.

  The undercoat layer 110, the intermediate coat layer 120, and the overcoat layer 130 can be stacked in various embodiments.

  That is, normally, an ink pigment containing a heat conductive metal powder is directly applied to the undercoat layer 110 which is formed as the triple coating layer 100 or the intermediate coat layer 120 and the overcoat layer 130 are excluded. The coating layer 140 may be formed, or the metal coating layer 140 may be formed by directly applying an ink pigment containing a heat conductive metal powder on the intermediate coating layer 120 without applying the top coating layer 130. Alternatively, the metal coating layer 140 may be formed by applying an ink pigment containing a heat conductive metal powder on the overcoat layer 130 laminated on the undercoat layer 110 and the intermediate coat layer 120.

  In this way, the triple coating 100 is laminated on the surface of the device 10, or after each coat 110, 120, 130 is laminated, it is applied in the form of dots with the ink pigment containing the heat conductive metal powder, and the heat conductive metal corresponds. A metal coating layer 140 composed of irregular patterns of irregularities is formed on the surface of the coat.

  With the thickness of each coat of the triple coating layer 100, the protruding metal coating layer 140 has a thickness of about 10 μm.

  Here, the metal coating layer 140 is formed on the intermediate coating layer 120 of the coating layer composed of the undercoat layer 110 and the intermediate coating layer 120, or the coating layer composed of the undercoat layer 110 and the overcoat layer 130. It can also be formed on the overcoat layer 130.

  Furthermore, the above-mentioned triple coating is only one example, and metal powder is applied to a single coating layer of water-based fluororesin, a double coating layer of fluororesin, a triple coating layer of fluororesin, and a multiple coating layer. The metal coating layer used and applied to various coatings in this way can be applied to all paint products for forming the coating layer, that is, silicone oil-based paint, oil-based fluororesin paint, ceramic One of the constituent substances constituting the paint or the like can also be added.

  In addition, the thickness of the triple coating layer 100 coated on the surface of the device 10 is improved in durability and can be used for a long time only when the entire thickness is about 35 μm or more. Since the thickness of the triple coating layer 100 having a thickness of about 20 μm is formed and the defect rate increases, leading to a problem that the productivity is lowered. Thus, the ink pigment is added on the triple coating layer 100 in this way. When the discontinuous coating 140 is formed by coating on the coating layer, the triple coating layer 100 and the ink pigment form a coating layer with a thickness of 40 μm or more, and the durability is improved and the defect rate is reduced. Productivity will be improved.

  Furthermore, since the ink pigment contains a metal powder with high thermal conductivity, the surface of the appliance can be rapidly heated by the high thermal conductivity of the metal powder, i.e. gold or silver, when the appliance is provided with heat.

  In addition, the ink pigment dispersed on the top coating layer 130 of the triple coating layer 100 and applied in the form of dots is 86.8% by weight of PTFE dispersion, 3.38% by weight of water, and 0.56 of aromatic hydrocarbon. It has a composition of 1 wt%, 0.17 wt% triethylamine, 0.17 wt% oleic acid, 0.12 wt% surfactant, and 8.8 wt% inorganic pigment dispersion.

  A method for forming a coating layer on the surface of the device 10 using the coating liquid for the undercoat layer, the coating liquid for the intermediate coating layer, the coating liquid for the topcoat layer and the ink pigment having the composition and composition ratio as described above will be described below. Explained.

  First, as a first step, the surface area is increased by sandblasting so that an infinite number of fine protrusions are formed on the surface of the device 10 that needs to be coated.

  As a second stage, the surface of the sandblasted instrument 10 is cleaned cleanly.

  As a third step, a coating solution of a primer layer is applied to the surface of the instrument 10 that has been sandblasted and cleaned to form a primer layer 110 with a thickness of 10 to 12 μm, and then at 200 ° C. for 15 minutes. Heat treatment.

  As a fourth step, the intermediate coating layer 120 is formed by applying a coating solution of the intermediate coating layer to a thickness of 10 to 12 μm on the undercoat layer 110 applied to the surface of the device 10.

  As a fifth step, after the intermediate coating layer 120 is wet, a coating solution for the top coating layer is applied to a thickness of 8 to 12 μm to form the top coating layer 130, and then heat treated at 300 to 350 ° C. for 15 minutes. Thus, the triple coating layer 100 is completed.

  Then, after the surface of the dried overcoat layer 130 of the triple coating layer 100 or the intermediate coating layer 120 is coated and the ink pigment containing the heat conductive metal powder is applied to the intermediate coating layer 120, an irregular pattern is formed. After the metal coating layer 140 made of irregularities is composed, heat treatment is performed at 405 to 415 ° C. for 20 minutes.

  Here, the thermally conductive metal is applied by heat-treating the metal coating layer 140 formed by applying an ink pigment after the heat-treated intermediate coating layer 120 or the top coating layer 130 is coated.

  Moreover, after apply | coating a heat conductive metal powder on the wet coating layer before heat processing, it can coat by heat-processing at 405-415 degreeC for 20 minutes.

  In particular, a transparent discontinuous coating layer may be further provided on the heat conductive metal powder applied on the overcoat layer 130 to protect the heat conductive metal.

  In the device 10 according to the coating layer composition method, the metal coating layer 140 of the ink pigment is formed on the top coating layer 130 of the triple coating layer 100. However, the present invention is not necessarily limited to this. After forming the coating layer of the undercoat layer 110 and the intermediate coat layer 120, the ink pigment discontinuous coating 140 is formed directly on the intermediate coat layer 120 by the above-described composition method without applying the overcoat layer 130. Alternatively, after the coating layer is composed only of the undercoat layer 110 and the overcoat layer 130 except for the intermediate coat layer 120, the metal coating of the ink pigment is performed on the overcoat layer 130 by the above-described composition method. Layer 140 can also be composed.

  In the composition method of the coating layer, the metal coating layer 140 is formed in a state where the intermediate coating layer 120 or the top coating layer 130 is dried. However, this is not necessarily limited thereto. In some cases, the metal coating layer 140 may be formed in a state where the intermediate coating layer 120 or the top coating layer 130 is wet. Since the pattern size is relatively smaller than that applied in a dry state, the pattern is used to adjust the size of the metal coating layer 140.

  However, the appliance 10 whose surface is coated by the above-described method is exemplarily shown in the drawings. Typically, the appliance 10 can be used as a kitchen appliance 10 in which food and drink mainly touch the surface. Can also be used for all instruments 10 that need to be coated on the surface.

  In addition, when the coating layer is formed by the method as described above, either gold or silver having high thermal conductivity is selectively selected on the surface of the undercoat layer 110, the intermediate coat layer 120, or the topcoat layer 130. By forming the metal coating layer 140, the transfer rate of heat transmitted to each coating layer is increased, and by improving the thermal efficiency of the cooking utensil 10, the effect of allowing heat to pass through food and drink quickly and evenly There is.

DESCRIPTION OF SYMBOLS 10 Apparatus 100 Triple coating layer 110 Undercoat layer 120 Middle coat layer 130 Topcoat layer 140 Thermal conductive metal coating layer

Claims (12)

In a device in which an undercoat layer, an intermediate coat layer, and an overcoat layer are sequentially laminated on the surface to form a triple coating layer,
The coating solution of the undercoat layer in the triple coating layer has a composition of an NMP solution of polyamide, water, PTFE dispersion, carbon black dispersion, silica dispersion,
The coating solution of the intermediate coating layer has a composition of PTFE dispersion, water, aromatic hydrocarbon, triethylamine, oleic acid, surfactant, carbon black dispersion, mica,
The coating liquid of the topcoat layer has a composition of PTFE dispersion, water, aromatic hydrocarbon, triethylamine, oleic acid, surfactant, mica,
An ink pigment to which a metal powder having a high thermal conductivity is added to the surface of each coating layer is sprayed by a sprayer so that the metal powder is applied in an irregular point form on the surface of the coating layer, and then heat treated to A device comprising a metal for promoting heat conduction, wherein the coating layer and the metal coating layer of the ink pigment are formed with irregularities of irregular patterns on the surface.   The coating solution of the undercoat layer in the triple coating layer is 16.8% by weight of NMP solution of polyamide, 4.1% by weight of water, 67.2% by weight of PTFE dispersion, 3.5% by weight of carbon black dispersion, The composition of the silica dispersion was 8.4% by weight, and the coating solution for the intermediate coating layer was 81.5% by weight of PTFE dispersion, 9.22% by weight of water, 3.14% by weight of aromatic hydrocarbons, 0% of triethylamine. The coating solution for the overcoat layer has a composition of .46% by weight, oleic acid 0.46% by weight, surfactant 0.33% by weight, carbon black dispersion 3.35% by weight, mica 1.54% by weight PTFE dispersion 89.25 wt%, water 6.53 wt%, aromatic hydrocarbon 1.09 wt%, triethylamine 0.32 wt%, oleic acid 0.32 wt%, surfactant 0.25 wt% %,cloud Instrument that includes the thermal conduction promoting metal according to claim 1, characterized in that it has a composition of 2.24 wt%.   The instrument including the metal for promoting heat conduction according to claim 1, wherein the metal powder is selected from gold and silver.   The instrument including the metal for promoting heat conduction according to claim 1, wherein the metal powder is a powder in a thin film form having a length of 1 nm to 1 mm on a side.   The heat according to claim 2, wherein the metal powder is used in an amount of 0.05 to 5 parts by weight with respect to 100 parts by weight of the coating solution of the undercoat layer, the intermediate coat layer, or the topcoat layer. An instrument that contains a metal for promoting conduction.   The metal for promoting heat conduction according to claim 1, wherein the metal coating layer is formed by directly applying the ink pigment containing the heat conductive metal powder on the intermediate coat layer without applying the top coat layer. Apparatus included.   The metal for heat conduction promotion according to claim 1, wherein the metal coating layer is composed by directly applying an ink pigment containing heat conductive metal powder on the undercoat layer excluding the intermediate coating layer. Equipment.   The heat according to claim 1 or 2, wherein the ink pigment coating liquid has a composition of PTFE dispersion, water, aromatic hydrocarbon, triethylamine, oleic acid, surfactant, and inorganic pigment dispersion. An instrument that contains a conduction-promoting metal. Increasing the surface area by sandblasting to the surface of the device in need of coating;
Cleaning the surface of the instrument;
Applying a coating solution of an undercoat layer to the surface of the device in a thickness of 10 to 12 μm to form an undercoat layer, and then heat-treating at 200 ° C. for 15 minutes;
Spraying an ink pigment containing thermally conductive metal powder onto the undercoat layer and then heat-treating at 405 to 415 ° C. for 20 minutes to form a metal coating layer comprising irregular irregularities;
A method for coating a device containing a metal for promoting heat conduction, comprising: Increasing the surface area by sandblasting to the surface of the device in need of coating;
Cleaning the surface of the instrument;
Applying an undercoat layer coating solution at a thickness of 10 to 12 μm to the surface of the device to form an undercoat layer, and then heat-treating at 200 ° C. for 15 minutes;
An ink containing a heat conductive metal powder on the intermediate coating layer after the intermediate coating layer is applied to the intermediate coating layer in a thickness of 10 to 12 μm to form a wet intermediate coating layer. A step of heat-treating at 405 to 415 ° C. for 20 minutes after a pigment is jetted to form a metal coating layer composed of irregularly shaped irregularities;
A method for coating a device containing a metal for promoting heat conduction, comprising: Increasing the surface area by sandblasting to the surface of the device in need of coating;
Cleaning the surface of the instrument;
Applying an undercoat layer coating solution to the surface of the device to a thickness of 10 to 12 μm to form an undercoat layer, followed by drying at 200 ° C. for 15 minutes;
After the intermediate coating layer coating solution is applied on the undercoat layer to a thickness of 10 to 12 μm to form a wet intermediate coating layer, the overcoat layer coating solution is applied to the intermediate coating layer in an amount of 8 to Coating the intermediate coating layer with a thickness of 12 μm to form a top coating layer and drying at 200 to 300 ° C. for 15 minutes;
Spraying an ink pigment containing a heat conductive metal powder onto the dried overcoat layer to form a metal coating layer having irregular patterns of irregularities, and then heat-treating at 405 to 415 ° C. for 20 minutes;
A method for coating a device containing a metal for promoting heat conduction, comprising:   The transparent discontinuous coating layer is further contained on the upper part of the metal coating layer for heat conduction applied on the undercoat layer, the intermediate coat layer, and the overcoat layer. The coating method of the instrument containing the metal for heat conduction promotion as described in a term.

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