KR102501739B1 - Metallic insulating composition and method for manufacturing metallic insulating product using the same - Google Patents

Abstract

The present invention relates to a metallic insulation composition and a method for manufacturing a metallic insulation product using the same, and more particularly, to a metallic insulation composition used for power plugs, wire cords, hoses, etc., and a method for manufacturing a metallic insulation product using the same.
In the present invention, 100 parts by weight of a subject containing polyvinyl chloride (PVC), 1 to 12 parts by weight of a stabilizer containing zinc stearate, and others containing at least one of aluminum and copper. 0.1 to 10 parts by weight of additives.

Description

Metallic insulation composition and method for manufacturing a metallic insulation processed product using the same

The present invention relates to a metallic insulation composition and a method for manufacturing a metallic insulation product using the same, and more particularly, to a metallic insulation composition used for power plugs, wire cords, hoses, etc., and a method for manufacturing a metallic insulation product using the same.

Resin, an insulating material, is used for the case where terminals are installed in the power plug, the outer shell covering the wire in the wire cord, and the tube.

Polyvinyl chloride (PVC) and polyethylene (PE) are generally used as these insulating materials, of which polyvinyl chloride accounts for more than 90%, and it is used together with a plasticizer to provide flexibility and processability that cannot be obtained from plastic. It gives excellent characteristics and is used according to its purpose.

Diisononyl phthalate (DINP), diisodecyl phthalate (DIDP), trioctyl trimellitate (TOTM,) and di2-ethylhexyl phthalate (DOP) are used as plasticizers used for insulation.

Prior art Patent Registration No. 10-0215503 (hereinafter referred to as Prior Art 1) relates to a soft polyvinyl chloride resin composition for wire cords, and more specifically, di2-propylheptylphdalate (DPHP) and n-octadecyl3- (4'-hydroxy-3',5-di-t-butylphenyl) propionate to provide a soft vinyl chloride resin composition for wire cords having excellent heating loss and elongation retention after heating will be.

However, this prior art has problems such as not being glossy like metal materials, not effectively suppressing discoloration, and not having excellent thermal stability.

The present invention has been made to solve the above problems, and to provide a metallic insulation composition capable of generating gloss like a metal material, excellent thermal stability and suppressing discoloration, and a method for manufacturing a metallic insulation processed product using the same. do.

In addition, an object of the present invention is to provide a metallic insulation composition having less risk to the human body and the environment and a method for manufacturing a metallic insulation processed product using the same.

The present invention for the purpose of solving the above problems has the following configuration and characteristics.

100 parts by weight of a subject containing polyvinyl chloride (PVC), 1 to 12 parts by weight of a stabilizer containing zinc stearate, 0.1 to 10 parts by weight of other additives containing at least one of aluminum and copper includes wealth

In addition, 25 to 75 parts by weight of a plasticizer including dioctyl terephthalic acid (DIOCTYL TEREPHTHALATE) may be included.

A method of manufacturing a processed metallic insulation product using a metallic non-toxic insulation composition, comprising at least one of injecting the metallic insulation composition and extruding the metallic insulation composition.

The present invention having the above configuration and characteristics has an effect of generating luster like a metal by including other additives including at least one of aluminum and copper.

In addition, the present invention has an effect of adding thermal stability and suppressing discoloration by including zinc stearate.

In addition, the present invention includes a plasticizer including dioctyl terephthalic acid (DIOCTYL TEREPHTHALATE), and has an effect that is not harmful to the human body and the environment compared to the case of using DOP or the like.

1 is a view for explaining a metallic insulation processed product formed of a metallic insulation composition.
2 is a view for explaining a body, covering material, hose, etc. among processed products.
Figure 3 is a schematic diagram for explaining a method of manufacturing a metallic insulation processed product according to an embodiment of the present invention.
4 is a diagram for explaining an additional embodiment of the present invention.

Since the present invention can have various changes and various forms, the implementation examples (or embodiments) will be described in detail in the text. However, this is not intended to limit the present invention to a specific form disclosed, and should be understood to include all modifications, equivalents, or substitutes included in the spirit and scope of the present invention.

Terms used in this specification are only used to describe a specific embodiment (aspect, aspect, aspect) (or embodiment), and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as ~comprising~ or ~consisting of are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that it does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the present application, they should not be interpreted in an ideal or excessively formal meaning. don't

~First~, ~Second~, etc. described in this specification will only be referred to to distinguish different components from each other, regardless of the manufacturing order, and the names in the detailed description and claims of the invention may not match.

Throughout the present specification, when a part is said to be "connected" to another part, this includes not only the case of being "directly connected" but also the case of being "indirectly connected" with another element intervening therebetween. do.

1 is a view for explaining a metallic insulation processed product formed of a metallic insulation composition, and FIG. 2 is a view for explaining a body, covering material, hose, etc. among processed products.

1 and 2 show a body 11 of a power plug, a covering material 12 of a wire cord, and a hose 13 of a processed product 1 manufactured by a manufacturing method of a metallic insulation processed product described later (hereinafter referred to as 'this method') is shown.

In general, a conventional power plug has at least a part of a terminal to which a wire is electrically connected to the inside of a case formed (molded) of an insulating material (an object compared to the body 11 among the processed products 1 manufactured by this method). It is built in and the rest is formed by protruding. The case of such a power plug requires insulating properties. In addition, the wire electrically connected to the terminal also constitutes a wire cord together with a sheath (object compared to the covering material 12 manufactured by the present method) covering the wire on the outside.

A resin material, which is an insulating material, is used for the case, outer shell, and tube (not shown).

Polyvinyl chloride (PVC) and polyethylene (PE) are generally used as these insulation materials. It gives excellent properties such as flexibility and processability, and is used according to its purpose.

However, conventional insulating materials such as polyvinyl chloride (PVC) and polyethylene (PE) used in cases where terminals are installed in power plugs, sheaths covering wires in wire cords, and tubes are themselves. There were problems such as not being able to generate gloss, not being thermally stable, and not being able to effectively suppress discoloration.

As shown in FIGS. 1 and 2, the metallic insulation composition according to an embodiment of the present invention is a body 11 in which terminals are installed in a power plug, a covering material 12 covering wires in a wire cord, and a hose 13 (conventional Unlike conventional insulating materials, it is used to generate gloss like metal, add thermal stability, and effectively suppress discoloration. Hereinafter, for convenience of description, it will be referred to as 'the present composition'.

The present composition (metallic insulation composition according to an embodiment of the present invention) includes 100 parts by weight of a main material including polyvinyl chloride (PVC).

Polyvinyl chloride is a polymer with the third largest production after polyethylene and polypropylene, and is a polymer of vinyl chloride in which one hydrogen atom in ethylene is substituted with chlorine. Also called vinyl or PVC.

As a thermoplastic, polyvinyl chloride has excellent durability, processability, and color development. Pure PVC is hard, brittle, and has low solubility. However, processability can be improved by mixing with additives such as plasticizers. It is used for a wide range of applications, from hard pipe materials to flexible wire sheaths and artificial leather.

The polyvinyl chloride is the subject of the present composition, imparts insulating properties in the present composition, and may be mixed with other components in the form of a resin.

Other components of the present composition to be described below will be described based on 100 parts by weight of the above-mentioned subject matter.

As described above, the polyvinyl chloride included in the subject is hard and brittle, and it is said that it is mixed with additives such as plasticizers to impart processability. PLASTICIZER) 25 to 75 parts by weight.

Conventionally, in order to impart processability to polyvinyl chloride, DOP (di 2-ethylhexyl phthalate) (refer to Prior Art 2 Publication Patent No. 10-2017-0135412), DBP (di butyl phthalate), BBP (butyl benzyl phthalate), DINP (di isononyl phathalate), DIDP (di isodecyl phthalate), DNOP (di n-octyl phthalate), etc. (hereinafter, conventional processability imparting agents) were used, which are known as substances with high risk to the environment and human body.

The present composition uses a plasticizer containing dioctyl terephthalic acid as a plasticizer without using the above conventional processability imparting agent. The above dioctyl terephthalic acid has very excellent plasticizing properties, and in particular, NON-PHTHALATE imparts conventional processability It has the advantage of lower toxicity profile than conventional processability imparting agents and less risk to the human body and the environment than conventional processability imparting agents.

As described above, the plasticizer in the present composition improves processability by imparting flexibility to the subject, and the amount used may vary depending on the purpose of use.

Illustratively, when the present composition is prepared as a wire covering material 12 (for wires) by the present method described later, since hardness is required rather than flexibility, 25 to 65 parts by weight of a plasticizer based on 100 parts by weight of the main material may be included. Preferably, 35 to 60 parts by weight of a plasticizer may be included.

As another example, when the present composition is used for a hose 13 requiring flexibility, 35 to 75 parts by weight of a plasticizer based on 100 parts by weight of the main material may be included. Preferably, 40 to 55 parts by weight of a plasticizer may be included.

That is, when the processed product 1 manufactured by the present method requires durability rather than flexibility, the content of the plasticizer in the present composition may be reduced, and conversely, when the processed product 1 requires more flexibility, the plasticizer in the present composition content can be increased.

Meanwhile, the present composition includes 1 to 12 parts by weight of a stabilizer (STABILIZER) containing zinc stearate (zinc stearate).

Polyvinyl chloride included in the above subject has a problem of insufficient heat stability, and the present composition includes a stabilizer containing zinc stearate to compensate for the problem of poor heat stability of polyvinyl chloride.

The above zinc stearate is a white powder. It is insoluble in water, but soluble in aromatic compounds such as benzene and chlorinated hydrocarbons when heated. Zinc stearate is hydrophobic and hates water. It is also insoluble in alcohol and ether. It is a very strong release agent.

Also, zinc stearate does not contain zinc stearate as an electrolyte. It is also mainly a zinc salt of stearic acid (C18H36O2). The dried raw material contains 10.0 to 12.5% of zinc (Zn: 65.38) when weighed. It is used as a slip control agent/lubricant, anti-caking agent, and viscosity increasing agent (non-aqueous).

Polyvinyl chloride included in the above subject has a problem of poor thermal stability. At this time, since zinc stearate is known as a heat and light stabilizer, a stabilizer containing zinc stearate was used to compensate for the poor thermal stability of polyvinyl chloride.

In addition, zinc stearate is used together with other additives to be described later that may include a colorant and the like, and may impart an effect of inhibiting discoloration of the present composition.

As described above, the stabilizer containing zinc stearate includes 1 to 12 parts by weight relative to 100 parts by weight of the main agent. don't

If the stabilizer is more than 12 parts by weight, the viscosity of the present composition is excessively increased, so that sufficient mixing of each component of the present composition is not achieved, and there are problems such as reducing the price competitiveness of the present composition.

In the present composition, the stabilizer may be more preferably included in an amount of 2 parts by weight to 10 parts by weight.

The composition may include 0.1 to 10 parts by weight of other additives including at least one of aluminum and copper.

Aluminum included in the other additives can generate luster like metal in the present composition and make the present composition appear silvery white. The above-mentioned aluminum may be mixed with the above-mentioned base material in a paste state.

Copper gives the present composition a metallic luster and can give the composition a reddish-brown color.

The composition may include only aluminum or only copper, or both aluminum and copper may be used, depending on the color to be finally implemented. Of course, the color of the present composition can be implemented in various ways according to the mixing ratio of aluminum and copper.

Other additives may include colorants to change the color of the composition. A coloring agent commonly used in the field may be used, and illustratively, fat sugar and the like may be used.

As such, the present composition has the advantage of improving aesthetics by generating luster like metal by including other additives including at least one of aluminum and copper.

As described above, the other additives are said to be included in an amount of 0.1 to 10 parts by weight, but when the amounts of other additives are used in an amount of 0.1 to less than 0.1 parts by weight, the gloss is not sufficiently generated, and when used in an amount exceeding 10 parts by weight, the manufacturing cost increases, especially It may not be usable as an insulating material. Other additives may more preferably be used in an amount of 0.5 to 5 parts by weight.

Figure 3 is a schematic diagram for explaining a method of manufacturing a metallic insulation processed product according to an embodiment of the present invention.

Meanwhile, hereinafter, a method for manufacturing a metallic insulation processed product according to an embodiment of the present invention (referred to as 'this method') will be described. However, since this method is a method of manufacturing a metallic insulation processed product using the present composition described above, and includes the same or corresponding technical features as the present composition, the same reference numerals are used for the same or similar configurations as the salpin configuration above, and overlapping Descriptions are simplified or omitted.

1 to 3 , the method includes at least one of injecting the metallic insulating composition (S1) and extruding the metallic insulating composition (S2).

Step (S2) is a step for manufacturing a processed product 1 having the same cross section along its length direction, such as the covering material 12 of the wire cord or the hose 13.

Step (S2) is a moving unit for moving the present composition in one direction, a die for forming a specific shape as the present composition moved by the moving unit passes, and a cooling device for cooling the processed product 1 that has passed through the die. It can be performed by an extruder comprising

The extruder is commonly used in the field, and a detailed description thereof will be omitted.

Step (S1) manufactures a processed product 1, such as the body 11 of a power plug having an irregular cross section along the longitudinal direction, such as the covering material 12 or the hose 13, as shown in FIGS. 1 and 2. It may be a step to

Step (S1) may be performed by an injection molding machine, and since an injection molding machine is common in the field, a detailed description thereof will be omitted.

The processed product 1 manufactured by this method is not limited to the body 11, covering material 12, hose 13, and the like, and may vary, of course.

On the other hand, the composition may further include 1.5 parts by weight of the condensation inhibitor (G). The condensation inhibitor (G) includes 0.2 parts by weight of an impact heating agent (G1) containing sodium acetate, polyurea formed through interfacial polycondensation of tolylene diisocyanate and ethylenediamine 0.1 part by weight of inner skin (G2), 0.3 part by weight of outer skin (G3) containing sulfur-cured ethylene-propylene diene rubber, magnetite, polyacrylic acid and polyoxy 0.2 parts by weight of a cationic agent (G4) containing ethylene (polyoxyethylene), 0.4 parts by weight of a thermally conductive spacer (G5) containing carbon fibers having an aspect ratio of 20 or more, and 0.3 parts by weight of a pressure agent (G6) containing iron (fe) wealth may be included.

Referring to FIG. 4, the condensation inhibitor (G) is described in more detail, the impact heating agent (G1) of the condensation inhibitor (G) is an aqueous solution containing sodium acetate, and the solvent may be illustratively water, and the sodium acetate is It may be dissolved in a supersaturated state in the solvent.

The impact heating agent (G1) is in a supersaturated state in a solvent and is in a very unstable state, so it hardens easily even with a slight impact, and can release heat held in a liquid state. The impact heating agent (G1) may generate heat by receiving an impact with a pressure agent described later.

It is preferable that 0.2 parts by weight of the impact heating agent (G1) is included. If the amount of the impact heating agent (G1) is less than 0.2 parts by weight, the heating effect is not large, and if it exceeds 0.2 parts by weight, the weight of the condensation inhibitor (G) increases, thereby increasing the composition. There is a problem in that the effect of suppressing condensation is reduced by sinking from the bottom (corresponding to GS in FIG. 4) to the bottom (lower side in FIG. 4, inner side in the processed product 1).

The endothelial agent (G2) surrounds the impact heating agent (G1) and, as described above, may include polyurea formed through interfacial polycondensation of tolylene diisocyanate and ethylenediamine.

Tolylenediisocyanane and ethylenediamine form an interfacial polycondensation when stirred to form a shell (endothelium), but the presence of unreacted amine and the mixing process of oxygen and nitrogen atoms or the amount present in other molecules in the present composition A positive charge can be formed by attracting charged hydrogen or the like through dipole interaction.

Illustratively, the impact heating agent (G1) may be heated after being stirred with tolylenediisocyanane and ethylenediamine in a solid state and accommodated in the endothelial agent (G2) in a liquid state. The process present inside the first (G2) is not limited to the above method and may vary.

The inner skin agent (G2) is preferably included in an amount of 0.1 parts by weight. If the amount of the inner skin agent (G2) is less than 0.1 parts by weight, the impact heating agent in liquid state ( G1) may be lost, and when the amount exceeds 0.1 parts by weight, there is a problem in that the heat generated by the impact heating agent (G1) is not easily transferred to the outside of the condensation inhibitor (G).

As shown in FIG. 4, the outer covering material (G3) surrounds the inner covering material (G2) and is disposed outside the inner covering material (G2). As described above, sulfur cured ethylene-propylene diene rubber (Ethylene Propylene Diene Rubber) 0.3 It may contain parts by weight.

Ethylene-propylene diene monomer (EPDM) is obtained by adding a non-conjugated diene during copolymerization of ethylene and propylene, and has excellent ozone resistance as well as water resistance.

Illustratively, the EPDM may include ethylene-propylene copolymer, treated calcined kaolin vinyl silane, stearic acid, zinc oxide, trimethylquinoline, paraffinic plasticizer, processing aid, and conductive carbon black.

EPDM is a hybrid polymer that can be vulcanized with peroxide or sulfur. EPDM with added sulfur has a faster shrinkage rate than EPDM with added peroxide at a low temperature of 5°C or less, so it was adopted.

That is, the sulfur-cured ethylene-propylene diene monomer is obtained by adding sulfur to the EPDM, and may additionally include dithiomorpholine, tetramethylthiuram disulfide, dibutyldithiozinc carbonate, and ethylene thiourea in addition to sulfur.

It is preferable to include 0.3 parts by weight of sulfur-cured ethylene-propylene diene monomer in the outer shell (G3). However, when the amount exceeds 0.3 parts by weight, the weight of the condensation inhibitor (G) increases and sinks in the present composition, so problems may occur in the function of the condensation inhibitor (G).

The cationic agent (G4) is provided on the outer and inner surfaces of the outer shell (G3), respectively, and as described above, includes magnetite, polyacrylic acid, and polyoxyethylene. was used to add the polarity of the outer shell (G3).

Magnetite becomes magnetic when it receives an external magnetic field, and when the external magnetic field is removed, the residual magnetism disappears, so it was used because there are no side effects caused by residual magnetism. Magnetite may be embedded in the outer and inner surfaces of the outer shell (G3), respectively.

Polymethacrylic acid is coated on the surface of the magnetite, and contains a plurality of carboxyl groups to form coordinate bonds with magnetite at multiple bonding points, thereby increasing coating stability.

Polyoxyethylene reacts with a carboxyl group that does not form a coordination bond with magnetite on the surface of polymethacrylic acid to form a stable bond through an amide bond to impart positive charge characteristics to the magnetite. The surface positive charge of the cationic agent (G4) may have a surface zeta potential of +30 mV or more.

The cationic agent (G4) is preferably used in an amount of 0.2 parts by weight. If less than 0.2 parts by weight, the positive charge is not sufficient, and if it exceeds 0.2 parts by weight, the weight of the condensation inhibitor (G) is excessively increased so that the condensation inhibitor (G) There is a problem with settling in the composition.

The thermal conductivity inhibitor (G5) is provided between the inner skin (G2) and the outer skin (G3) to separate the inner skin (G2) and the outer skin (G3). fibers were used. The carbon fiber may have a thermal conductivity of about 200 W/mK, and may serve to transfer heat generated from the impact heating agent (G1) to the outer shell (G3) side.

The thermal conductivity inhibitor (G5) is preferably included in an amount of 0.4 parts by weight. If the amount is less than 0.4 parts by weight, the heat conduction is not sufficient, and if it exceeds 0.4 parts by weight, more envelope material (G3) must be used. There is a problem with increasing it.

The pressure agent G6 includes iron, is provided on the inner surface of the outer cover material G3, protrudes and extends inward, and may be provided in multiple numbers at intervals on the inner surface of the outer cover material G3.

The pressurizing agent (G6) pressurizes the impact heating agent (G1) as the envelope material (G3) shrinks to apply an impact to the impact heating agent (G1), and preferably contains 0.3 parts by weight, but less than 0.3 parts by weight are included. If it is impossible to apply sufficient impact to the impact heating agent (G1), and if it exceeds 0.3 parts by weight, there is a problem of excessively increasing the weight of the condensation inhibitor (G).

[A] in FIG. 4 shows a state in which the outer shell (G3) does not shrink at a temperature exceeding 5°C. The outer cover material (G3) and the inner cover material (G2) are separated by a thermally conductive spacer (G5), and the length of the outer cover material (G3) in a state in which the outer cover material (G3) is not contracted at a temperature exceeding 5 ° C. Since is shorter than the separation distance between the outer cover material G3 and the inner cover material G2, the pressurizing agent G6 cannot pressurize the impact heating agent G1 in a state in which the outer cover material G3 is not contracted.

As described above, since the outer layer (G3) and the inner layer (G2) are positively charged, the inner layer (G2) and the outer layer (G3) generate a repulsive force so that the outer layer (G3) does not contract. The pressure agent provided on the inner surface of the agent (G3) suppresses the pressure of the endothelial agent (G2).

In addition, when there are a plurality of units (GU) of the condensation inhibitor (G), the adjacent units (GU) are spaced apart from each other by the repulsive force between the positively charged outer shells (G3), so that the condensation inhibitor (G) in the present composition Dispersibility can be improved.

[B] in FIG. 4 is a view showing a state in which the outer cover (G3) is shrunk at a temperature of 5° C. or less. If the composition containing the condensation inhibitor (G) is applied and the temperature of the composition drops below 5° C., as described above, the outer cover (G3) shrinks, and the outer cover (G3) and The separation distance of the inner skin (G2) is reduced, and the pressure agent (G6) provided on the inner surface of the outer skin (G3) penetrates between the carbon fibers or between the pores of the carbon fibers to press the inner skin (G2). By doing so, an impact can be applied to the impact heating agent (G1) provided inside the inner skin (G2).

The impact heating agent (G1) generates heat as an impact is applied, and the heat is transferred to the envelope (G3) through the thermally conductive spacer (G5), and the temperature of the composition is increased through the envelope (G3) It can effectively suppress the formation of dew on the surface of the present composition.

Through this, in the process of arranging the covering material 12, it is possible to effectively suppress an electricity accident caused by water.

In addition, there is an advantage in that dew formed on the surface of the present composition can suppress freezing (inhibition of condensation) in cold weather such as winter. This has an advantage in that when the hose 13 is used as the hose 13 or the like, it is possible to prevent freezing or bursting of the hose 13 or a situation in which relocation is difficult.

It goes without saying that the outer covering material G3 can be liquefied again by the impact heating agent G1 or heat applied from the outside and restored to a reusable state later. A variety of well-known techniques may be used to apply heat to the outer covering material G3 from the outside.

The present invention described above with reference to the accompanying drawings can be variously modified and changed by those skilled in the art, and these modifications and changes should be construed as being included in the scope of the present invention.

Workpiece: 1 Body: 11
Cover: 12 Hose: 13

Claims (4)

100 parts by weight of a subject containing polyvinyl chloride (PVC);
1 to 12 parts by weight of a stabilizer containing zinc stearate;
0.1 to 10 parts by weight of other additives containing at least one of aluminum and copper;
including,
Further comprising 25 to 75 parts by weight of a plasticizer including dioctyl terephthalic acid (DIOCTYL TEREPHTHALATE),
Including 1.5 parts by weight of condensation inhibitor (G),
The condensation inhibitor (G),
0.2 parts by weight of impact heating agent (G1) containing sodium acetate, 0.1 part by weight of inner skin agent (G2) containing polyurea formed through interfacial polycondensation of tolylene diisocyanate and ethylenediamine 0.3 parts by weight of a shell material (G3) containing sulfur cured ethylene-propylene diene rubber, cations including magnetite, polyacrylic acid, and polyoxyethylene 0.2 parts by weight of (G4), 0.4 parts by weight of a thermally conductive spacer (G5) having an aspect ratio of 20 or more and containing carbon fibers, and 0.3 parts by weight of a pressing agent (G6) containing iron (fe),
The inner skin (G2) surrounds the impact heating agent (G1), and the outer skin (G3) surrounds the inner skin (G2) and shrinks at a temperature of 5° C. or less, and the thermally conductive spacer (G5) It is provided between the inner shell material (G2) and the outer shell material (G3), the magnetite of the cationic agent (G4) is provided on the outer and inner surfaces of the outer shell material (G3), respectively, and the pressure agent (G6) It is provided on the inner surface of the outer cover material (G3) and protrudes and extends inward, and a plurality of pressure agents (G6) are provided at intervals on the inner surface of the outer cover material (G3), but the length of the pressure agent (G6) is the endothelium. Shorter than the separation distance between the first (G2) and the outer covering (G3),
The magnetite is provided on the outer and inner surfaces of the shell material (G3), the polymethacrylic acid is coated on the surface of the magnetite, and the polyoxyethylene reacts with the carboxyl group of the polymethacrylic acid to form an amide bond to form the magnetite Metallic insulating composition, characterized in that for imparting a positive charge to. delete delete In the method for manufacturing a processed metallic insulation product using the metallic insulation composition according to claim 1,
A method of manufacturing a metallic insulation processed product comprising at least one of injecting the metallic insulation composition and extruding the metallic insulation composition.

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