KR101882819B1 - Natural cleaning tool including tourmaline and manufacturing method thereof - Google Patents

Abstract

The present invention relates to a tourmaline containing natural cleanser which is molded by mixing natural konjac powder, tourmaline powder and mixed solution and has a sponge network structure. The cleanser comprises: a base layer formed by mixing natural konjac powder with a blending solution and having a sponge network structure; and a coating layer formed by applying a tourmaline liquid phase in which tourmaline powder is diluted with water on a surface of one surface of the base layer to disperse tourmaline powder and to expose a part of the surface of the base layer to the outside. According to the present invention, tourmaline is contained to generate far-infrared rays and anions to promote metabolism of the body, to benefit health, to enhance cleansing power to increase an effect of removing wastes, and to minimize skin irritation and troubles since the cleanser is made of natural materials.

Description

TECHNICAL FIELD [0001] The present invention relates to a tourmaline-containing natural cleaning agent,

The present invention relates to a natural washing tool, and more particularly, to a natural washing tool containing tourmaline which is made of a natural material and minimizes skin irritation, has excellent washing ability and is useful for health, and a method for manufacturing the same.

In general, a cleaning tool refers to a scrubber used to clean a tableware, a towel or a sponge used for wiping off sweat or foreign matter remaining on the skin of a human body with soap or body washes with water.

In particular, chemical cleaning sponge made of chemical fiber has been used as a conventional cleaning tool used for cleaning the skin of human body, and there has been a problem that side effects are caused on skin sensitive to external stimuli during use.

Recently, as disclosed in Patent Document 1, the use of natural sponge made of natural materials is increasing to reduce skin irritation. However, the natural sponge disclosed in Patent Document 1 is only made of soft konjac material and is hypoallergenic, which is suitable for delicate type skin or face washing, but the user can not obtain a satisfactory cleaning effect for other skin type or washing site. Therefore, the user has to purchase and use separate cleaning tools corresponding to the cleaning area or cleaning purpose. In addition, the natural sponge is less durable than a chemical sponge and has a short period of use.

Patent Document 2 discloses a method of manufacturing a honeycomb structure, which comprises the steps of filling a part of the internal space of a forming mold having a space therein with natural scrubbing powder, adding a konjac powder to the mixing solution, stirring and mixing to prepare a raw material, A forming step of pouring the raw material into the remaining space inside the forming mold to form a shape in which the natural wool and the raw material adhere closely to each other, a ripening step of ripening the raw material put in the forming mold, a step of heating the aged raw material by steam heating A step of heating the sponge to form a sponge in close contact with the natural scrubber, and a step of cooling, freezing and thawing the sponge adhered to the natural scrubber formed through the steam heating step. In the first embodiment, Adding a natural woolen piece of the natural woolen piece, stirring and mixing to prepare a raw material, pouring the raw material into a mold A steam heating step of forming a sponge shape adhered to a natural scrubber by steam heating the aged raw material, and a steam heating step of heating the aged raw material by steam heating to form a sponge- A second embodiment including a step of cooling, freezing, and defrosting a sponge adhered to a natural scrubber is disclosed.

However, in the first embodiment of the patent document 2, the natural wastepaper is first filled in the mold, and then the remaining space is filled with a raw material mixed with konjac powder. Since only the natural wool having a rough property is exposed to the outside, the rough natural material is repeatedly applied to the skin when the user uses the natural wool wool face, which may cause skin irritation and side effects.

In the second embodiment of the patent document 2, the raw material in which the konnyaku powder and the plurality of natural woolen fragments are mixed together at the beginning is filled in the molding frame at one time. When natural konjac powder and natural scrubbing powder are molded together in the molding frame, the shape of the sponge structure is not formed well and the quality of the cleaning implement is deteriorated. , Since fragments of natural scrubbing are exposed on the surface of the surface of the base material layer in spite of scattering the fragments of natural wool on the surface thereof, there is a problem that the user does not have the effect of selecting and using a suitable site according to the skin type or skin region have.

In addition, the above-described Patent Documents 1 and 2 have problems in that they do not meet the user's skin health and functional needs.

Korean Patent Publication No. 10-2010-0086590 (published on August 2, 2010) Korean Registered Patent No. 10-1415242 (published on April 4, 2014)

The present invention has been conceived to overcome all of the above-mentioned problems, and it is an object of the present invention to provide tourmaline which promotes the metabolism of the body by generating far infrared rays and anions to promote healthy metabolism, The present invention provides a tourmaline-containing natural washing tool which can minimize skin irritation and troubles and a method of manufacturing the same.

In order to solve the above problems, the present invention provides a tourmaline-containing natural washing tool which is formed by mixing natural konjac powder, tourmaline powder and a mixed solution and has a sponge structure of a network structure.

The present invention also relates to a base material layer formed by mixing natural konjac powder with a compounding solution and having a sponge structure of network structure; And a coating layer formed by applying a tourmaline liquid phase in which tourmaline powder is diluted with water to the surface of one side of both surfaces of the base layer so as to disperse the tourmaline powder and to expose a part of the surface of the base layer to the outside, Provides a natural washing tool.

In addition, the present invention provides a method for producing a gel-like raw material, comprising the steps of: preparing a gel-like raw material by adding natural konjac powder and tourmaline powder to a blending solution and stirring and mixing; A forming step of injecting a raw material into a forming mold and filling the raw molding material into a desired shape; An aging step of aging the raw material filled in the mold; A steam heating step of placing the aged raw material in a steam oven and heating the steam to form a sponge shape; A cooling step of cooling the sponge formed through steam heating at room temperature; A first freezing step in which the cooled sponge is quenched in a freezer and frozen; A primary thawing step of thawing the frozen primary sponge; A second freezing step of freezing the first defrosted sponge again in the freezer; A second thawing step of defrosting the second frozen sponge; And a hot-air drying step of hot-air-drying the sponge that is secondarily thawed.

In addition, the present invention provides a method for producing a gelatinous raw material, comprising: a raw material preparation step of adding a natural konjac powder to a compounding solution and stirring and mixing the gelatinous raw material; A molding step of injecting a raw material into a mold, applying a tourmaline liquid phase in which tourmaline powder is diluted with water, and scattering tourmaline powder so that a part of the surface of the raw material is exposed to the outside; An aging step of aging the raw material coated with the coating material by being put in a mold; A steam heating step of placing the aged raw material in a steam oven and heating the steam to form a sponge shape; A cooling step of cooling the sponge formed through steam heating at room temperature; A first freezing step in which the cooled sponge is quenched in a freezer and frozen; A primary thawing step of thawing the frozen primary sponge; A second freezing step of freezing the first defrosted sponge again in the freezer; A second thawing step of defrosting the second frozen sponge; And a hot air drying step of hot-air drying the sponge that is secondarily thawed.

According to the present invention, tourmaline is contained to generate far infrared rays and anions to promote the metabolism of the body, to benefit health, to improve the cleansing power and to enhance the effect of removing waste materials, and to minimize skin irritation and troubles There is an effect.

FIG. 1A is a view showing a tourmaline containing natural washing utensil according to an embodiment of the present invention, and FIG. 1B is a photograph of a tourmaline containing natural washing utensil and a conventional konjac sponge taken together.
2A is a photograph of a tourmaline gemstone, and Fig. 2B is a powder photograph of a tourmaline gemstone pulverized by a fine powder.
FIG. 3A is a view showing a natural washing utensil coated with tourmaline powder according to an embodiment of the present invention, and FIG. 3B is a photograph thereof.
4 is a flowchart of a method of manufacturing a tourmaline-containing natural cleaning implement according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The tourmaline-containing natural cleanser according to the present invention contains tourmaline to generate far infrared rays and anions to promote the metabolism of the body, and is beneficial to health. The cleansing power of cleansing power is increased, and the effect of removing waste matters is increased. There are various embodiments that can minimize the trouble.

1A and 1B, a natural cleaning implement 1 according to a first embodiment of the present invention is formed by mixing natural konjac powder, tourmaline powder, and a combination solution and has a sponge structure of a network structure, For example, a rectangular parallelepiped, a cube, a cylinder, and a spherical shape.

Such a natural washing utensil (1) is made by integrating natural konjac as a main component and further adding tourmaline powder thereto, thereby integrating natural materials having different properties into one cleaning tool.

Natural konjac is a perennial plant belonging to the Taran family. It is planted in spring and harvested in late autumn. It is planted again in the next spring for 2 ~ 3 years to be used as a raw material. After thinly sliced, it is dried to remove starch and gluco mannan) as a main ingredient. Such natural konjac has been mainly used in foods such as fish products such as fish paste, crab meat, ham, frozen food, and noodles.

The nature of natural konjac is that it can absorb water by about 15 to 40 times, swell when absorbed, become a colloid state, so it has excellent water retention, and has an excellent moisture retention property to prevent surface drying.

In addition, natural konjac is a soft material and hypoallergenic which is used by users with sensitive skin types to prevent skin irritation and side effects, to provide a pleasant washing sensation, and to enhance the massage effect by the unique sponge structure of reticular tissue And increases the cleaning effect of fine pollutants. In particular, the natural cleaning agent, which is a main component of natural konjac, is composed of dense and fine network, so that it is soft and sensitive to external stimuli such as face, and is suitable for use in a weak washing area.

2A is a photograph of a tourmaline gemstone, and Fig. 2B is a photograph of a tourmaline gemstone being pulverized by a fine powder. Tourmaline is a minerals belonging to the hexagonal system having crystal structure like crystal, and it is called tourmaline because electricity is generated by friction and both ends are charged positive and negative when heated. Chemical components are complex borosilicates of aluminum, magnesium, alkali metals and aluminum. In particular, many iron are called iron tourmaline, black, and many are opaque with the naked eye. Tourmaline is known to have electricity, generate far infrared rays and negative ions, promote the metabolism of the body, activate cell function and immune function, and have a powerful heat effect and high penetration power for blood circulation and purification. In addition, tourmaline has the property of anionizing water and making it weakly alkaline. The electrons accumulated in the negative electrode of tourmaline are discharged at the moment of contact with water, the water is electrolyzed into hydrogen ion and hydroxide ion, It releases hydrogen atoms in association with the released negative electrons, and the hydroxide ion combines with the water molecule to generate a surfactant of hydroxyl ion to increase the surfactant activity. The minerals such as magnesium, iron, boron and silicon contained in tourmaline dissolve in the water and have various beneficial effects on the health of our body. In addition, tourmaline is approved as a cosmetic raw material and food additive to Japan Health and Welfare Ministry, and its safety to skin has been proved.

The compounding solution is a compounding solution usually used for sponge production, and is formed by mixing water, a neutralizing agent, a foaming agent, an emulsifying agent, and the like.

The natural washing tool (1) is formed by mixing the compounding solution, 5 to 30 parts by weight of natural konjac powder and 0.5 to 3 parts by weight of tourmaline powder per 100 parts by weight of the compounding solution.

It is preferable that the natural konjac powder is added in an amount of 5 to 30 parts by weight per 100 parts by weight of the compounding solution so that when the sponge is formed, the natural konjac powder is sufficiently dissolved in the compounding solution, will be.

It is preferable that tourmaline powder is added in an amount of from 0.5 to 3 parts by weight per 100 parts by weight of the compounding solution and 10% by weight of the amount of natural konjac powder is added. If less than the lower limit is added, far infrared rays and anion generating effect and surfactant activity are lowered, If it is added in an excess amount, tourmaline powder which is not viscous will interfere with the formation of bubbles, making it difficult to manufacture a sponge shape, and skin irritation and side effects may occur.

Referring to FIGS. 3A and 3B, a natural cleaning implement 1 according to a second embodiment of the present invention comprises a substrate layer 2 having a spongy structure formed by mixing natural konjac powder with a compounding solution, A coating layer in which a tourmaline liquid phase in which tourmaline powder is diluted with water is dispersed on the surface of one surface of the base layer 2 so as to scatter tourmaline powder and a part of the surface of the base layer 2 is exposed to the outside, (3).

The base layer 2 is formed by mixing 5 to 30 parts by weight of a natural konjac powder per 100 parts by weight of the compounding solution mixed with water, a neutralizing agent, a foaming agent and an emulsifier, and has a sponge structure of a network structure, Is not particularly limited and various shapes such as a rectangular parallelepiped, a cube, a cylinder, and a spherical shape are possible.

The coating layer 3 is preferably applied uniformly over the entire surface of the base layer 2 but can be dispersed and applied over the entire area of the base layer 2, And the area where the coating layer 3 is formed is not particularly limited.

The tourmaline liquid phase is formed by mixing 1 to 20 parts by weight of tourmaline powder per 100 parts by weight of water and sprayed on one side of the base layer 2. The sprayed tourmaline liquid phase is absorbed by the base layer 2 in the form of a gel, Of the fibers.

It is preferable that the application area ratio of the coating layer 3 is 70% or more per unit area (cm 2) of the surface of the base layer 2. When the application area ratio is less than 70%, the proportion of the application layer 3 is small, and when used in a skin area, far-infrared rays, anion generation effect and surfactant activity may be lowered. Therefore, when the base layer 2 portion and the coating layer 3 portion are properly formed at the above-mentioned coating area ratio over the entire surface of the base layer 2, it is possible to give the best cleaning effect to the skin and a touch feeling to the skin have.

In addition, the particle size of the tourmaline powder is in the range of 200 to 20,000 mesh, and when the mesh size is 3,000 mesh, the powder particles can be uniformly adhered evenly to the fibers of natural konjac, which is made of a fine mesh-like structure.

As described above, the natural washing utensil 1 according to the present invention comprises a base layer 2 composed mainly of natural konjac, and a layer of a tourmaline powder, which is a mineral substance, sprayed on the surface of one surface of the base layer 2, By combining tightly bonding the coated layers 3 coated with the tourmaline powder to one another and integrating the natural materials having different properties into one cleaning tool, the user can enjoy a beneficial effect on the health due to the generation of negative ions and far infrared rays, It is possible to select a suitable face on both sides depending on the user's skin type, washing area and cleaning purpose, and to obtain a satisfactory cleaning effect, and there is no need to purchase another cleaning tool, And skin irritation and side effects can be minimized.

4 is a flow chart of a method of manufacturing a tourmaline-containing natural cleaning implement according to the present invention, and the present invention will be described in detail with reference to FIG.

A method for manufacturing a tourmaline-containing natural cleaning implement according to the first embodiment of the present invention comprises a raw material manufacturing step (S101) of adding a natural konjac powder and a tourmaline powder to a blending solution and stirring and mixing them to produce a gel-like raw material, A molding step S102 for molding the raw material into a desired shape by filling it into a molding mold, a maturing step (S103) for ripening the raw material filled in the molding mold, a steam for forming a sponge shape by steam- A cooling step (S105) of cooling the sponge formed through steam heating at a room temperature (S105), a primary freezing step (S106) of freezing the cooled sponge after quenching the freezing sponge in the freezer, a step of defrosting the frozen sponge A first thawing step (S107), a second freezing step (S108) in which the thawed sponge is frozen again in the freezer, a second freezing step (S108) in which the second frozen sponge is thawed It comprises the same step (S109), and a hot air drying step of the two hot-air drying the sponge thaw drive (S110).

① raw material manufacturing step (S101)

In the raw material manufacturing step (S101), the compounding solution is a compounding solution usually used for sponge production, and is formed by mixing water, neutralizing agent, foaming agent, emulsifier, and the like. It is preferable that the content of the natural konjac powder added to the compounding solution in the raw material production step (S101) is 5 to 30 parts by weight per 100 parts by weight of the compounding solution. Such a mixing ratio is such that when the sponge is formed, So that the sponge shape can be smoothly formed by the compounding solution. In this case, the natural konjac powder is melted and gelated. Accordingly, when the compounding solution and the natural konjac powder are mixed and stirred with a stirrer, bubbles are formed through the steam heating step (S104), which will be described later, so that the shape of the sponge can be achieved.

In addition, 0.5-3 parts by weight of tourmaline powder is added to 100 parts by weight of the compounding solution. First, natural konjac powder is added to the compounding solution, which is first stirred for 40 seconds to 50 seconds with a stirrer to some extent, The tourmaline liquid phase diluted with 45 to 75 parts by weight of the unreacted tourmaline powder is added to the agitator and mixed by the second stirring. Here, it is preferable to add the tourmaline liquid phase within 40 seconds to 50 seconds after adding the natural konjac powder to the mixture solution and starting the stirring. When the tourmaline liquid phase is mixed with the natural konjac powder from the beginning, the tourmaline powder is precipitated downward by the weight of the tourmaline powder crushed to the tourmaline raw material, so that the tourmaline powder is not uniformly distributed and is not uniformly distributed. On the other hand, When a tourmaline liquid phase in which tourmaline powder is diluted with water is added to natural konjac to some extent, the tourmaline powder is evenly mixed with gelatinous natural konjac. In addition, when a tourmaline liquid phase is added for more than 50 seconds, the tourmaline powder absorbs water and is hardly penetrated into the expanded natural konjac, so that it becomes difficult to mix evenly.

(2) Forming step (S102)

In the shaping step (S102), the gel-like raw material produced through the raw material producing step (S101) is poured into a shaping mold to form a desired shape. The gel-like raw material absorbs water and expands.

(3) Aging step (S103)

The aging step (S103) is carried out in order to agglomerate the raw material coated with the coating material by being contained in the forming mold so that the raw material can be completely expanded and solidified according to the shape of the forming mold.

(4) Steam heating step (S104)

The steam heating step (S104) is a process of forming a sponge shape by forming bubbles in the raw material through steam heating of the aged raw material through the aging step (S103).

(5) Cooling step (S105)

In the cooling step (S105), the sponge formed through the steam heating step (S104) is gradually cooled at a normal temperature before quenching.

(6) First freezing step (S106)

In the first freezing step (S106), the sponge that has undergone the cooling step (S105) is rapidly quenched from the freezer to a freezing temperature and freezed. As a result, the surface of the sponge is quickly frozen to form the main ingredient of the natural konjac It is intended to make glucomannan more natural and stronger.

⑦ First thawing step (S107)

The primary defrosting step (S107) is a process for defrosting the frozen sponge through the first freezing step (S106) to remove water contained in the sponge and the residual compounding solution additive.

(8) Secondary freezing step (S108)

The second freezing step (S108) is a freezing process in which the sponge that has undergone the first thawing step (S107) is frozen again at a freezing temperature in the freezer. By repeating this freezing process, glucomannan, Can be made stronger and stronger, thereby prolonging the life of the product.

(9) Secondary thawing step (S109)

The second defrosting step (S109) is a process of defrosting the frozen sponge through the second freezing step (S108) to completely remove water, compound solution additives and impurities remaining in the sponge.

(10) Hot air drying step (S110)

The hot air drying step (S110) is a hot air drying process for long-term storage of the sponge after the second defrosting step (S109). Since the sponge contains natural konjac, tourmaline, etc., This is done to prevent the propagation of germs.

The method for manufacturing a tourmaline-containing natural cleaning implement according to the second embodiment of the present invention comprises a raw material manufacturing step (S101) of adding a natural konjac powder to a blending solution and stirring and mixing the same to produce a gel-like raw material, (S102) in which the tourmaline powder is injected into the mold, the tourmaline powder is diluted with water to disperse the tourmaline powder so as to expose a part of the surface of the raw material to the outside (S102), and the raw material coated with the coating material (S103), a steam heating step (S104) in which the aged raw material is placed in a steam heater to form a sponge shape by steam heating, a cooling step (S105) in which the sponge formed through steam heating is cooled at room temperature, A primary freezing step (S106) of freezing the frozen sponge after it is quenched in a freezer, a primary defrosting step (S107) of defrosting the frozen sponge in a primary stage, A second freezing step (S108) of freezing the sponge again in the freezer, a second defrosting step (S109) of defrosting the second frozen sponge, and a hot air drying step (S110) of hot air drying the second defrosted sponge .

① raw material manufacturing step (S101)

In the raw material manufacturing step (S101), the compounding solution is a compounding solution usually used for sponge production, and is formed by mixing water, neutralizing agent, foaming agent, emulsifier, and the like. The content of the natural konjac powder added to the compounding solution in the raw material production step (S101) is preferably 5 to 30 parts by weight per 100 parts by weight of the compounding solution.

In this case, the natural konjac powder is melted and gelated. Accordingly, when the compounding solution and the natural konjac powder are mixed and stirred with a stirrer, bubbles are formed through the steam heating step (S104), which will be described later, so that the shape of the sponge can be achieved.

(2) Forming step (S102)

In the molding step (S102), the raw material produced through the raw material manufacturing step (S101) is poured into a molding mold to form a desired shape. At this time, the raw material in the form of a gel prepared through the step of manufacturing the raw material (S101) is injected into a mold, and then the tourmaline powder as a coating material is immersed in a water- And the coating material is bonded onto the surface of the raw material by the viscosity of the gel-like raw material.

At this time, the tourmaline liquid phase is mixed with 1 to 20 parts by weight of tourmaline powder per 100 parts by weight of water so that it is relatively diluted and is absorbed by the surface of the base layer when sprayed onto the gel-like base layer 2, and the tourmaline liquid- And distributed evenly.

(3) Aging step (S103)

The aging step (S103) is carried out in order to agglomerate the raw material coated with the coating material by being contained in the forming mold so that the raw material can be completely expanded and solidified according to the shape of the forming mold.

(4) Steam heating step (S104)

The steam heating step (S104) is a step of forming a sponge shape by forming bubbles in the raw material through steam heating of the raw material after aging (S103). At this time, the coating material applied on the raw material is heated It is possible to form a coated layer completely bonded to a raw material containing natural konjac as a main component without using an adhesive which is strongly bonded and can adversely affect the human body.

(5) Cooling step (S105)

In the cooling step (S105), the sponge formed through the steam heating step (S104) is gradually cooled at a normal temperature before quenching.

(6) First freezing step (S106)

In the first freezing step (S106), the sponge that has undergone the cooling step (S105) is rapidly quenched from the freezer to a freezing temperature and freezed. As a result, the surface of the sponge is quickly frozen to form the main ingredient of the natural konjac It is intended to make glucomannan more natural and stronger.

⑦ First thawing step (S107)

The primary defrosting step (S107) is a process for defrosting the frozen sponge through the first freezing step (S106) to remove water contained in the sponge and the residual compounding solution additive.

(8) Secondary freezing step (S108)

The second freezing step (S108) is a freezing process in which the sponge that has undergone the first thawing step (S107) is frozen again at a freezing temperature in the freezer. By repeating this freezing process, glucomannan, Can be made stronger and stronger, thereby prolonging the life of the product.

(9) Secondary thawing step (S109)

The second defrosting step (S109) is a process of defrosting the frozen sponge through the second freezing step (S108) to completely remove water, compound solution additives and impurities remaining in the sponge.

(10) Hot air drying step (S110)

The hot air drying step (S110) is a hot air drying process for long-term storage of the sponge after the second defrosting step (S109). Since the sponge contains natural konjac and tourmaline which are natural materials, This is done to prevent reproduction.

As a result, the tourmaline-containing natural cleanser (1) according to the present invention provides a natural cleanser containing tourmaline powder so that the hydroxide ion produced when the tourmaline permanent electrode electrolyzes water is a surfactant, The hardened oil, that is, the acidified skin waste, is neutralized and washed out, thereby achieving a skin-improving effect that can maintain smooth and moisturized skin.

Since tourmaline has a characteristic of maximizing the generation of negative ions due to friction when it comes into contact with water, it provides a natural washing tool containing tourmaline powder, so that it contacts with water during skin cleansing, Can be achieved. In case of contact with water and skin friction, the anion excitation immediately increases to 150,000 to 200,000 / cc.

In addition, by providing a natural washing tool containing tourmaline powder, the skin is contacted with water during skin cleansing, thereby making the water anionized and at the same time weakly alkaline.

In addition, by providing a natural washing tool containing tourmaline powder, the far infrared ray radiation effect of tourmaline activates the skin cells and is effective for skin beauty with a warm effect.

The present invention is not limited to the above-described embodiments. Anything having substantially the same constitution as the technical idea described in the claims of the present invention and achieving the same operational effect is included in the technical scope of the present invention.

1. Natural washing equipment
2. Base layer
3. Coating layer

Claims (9)

A base layer formed by mixing natural konjac powder with a blending solution and having a sponge structure of a network structure; And
A coated layer formed by coating a tourmaline liquid phase in which a tourmaline powder diluted with water is dispersed on the surface of one side of the base layer of the base layer so that a portion of the surface of the base layer is exposed to the outside,
The base layer is formed by mixing 5 to 30 parts by weight of natural konjac powder per 100 parts by weight of the compounding solution mixed with water, a neutralizing agent, a foaming agent, and an emulsifying agent,
The tourmaline liquid phase is formed by mixing 1 to 20 parts by weight of tourmaline powder per 100 parts by weight of water,
Wherein the coating layer has a coating area ratio of not less than 70% per unit area (cm 2) of the surface of the base layer and a particle size of the tourmaline powder of 200 to 20,000 mesh.
A raw material preparation step of adding a natural konjac powder to a blending solution and mixing the mixture with stirring to produce a gel-like raw material;
A molding step of injecting a raw material into a mold, applying a tourmaline liquid phase in which tourmaline powder is diluted with water, and scattering tourmaline powder so that a part of the surface of the raw material is exposed to the outside;
An aging step of aging the raw material coated with the coating material by being put in a mold;
A steam heating step of placing the aged raw material in a steam oven and heating the steam to form a sponge shape;
A cooling step of cooling the sponge formed through steam heating at room temperature;
A first freezing step in which the cooled sponge is quenched in a freezer and frozen;
A primary thawing step of thawing the frozen primary sponge;
A second freezing step of freezing the first defrosted sponge again in the freezer;
A second thawing step of defrosting the second frozen sponge; And
And a hot air drying step of subjecting the sponge, which has been secondarily defrosted, to hot air drying,
The raw material manufacturing step may be performed by mixing 5 to 30 parts by weight of natural konjac powder per 100 parts by weight of the compounding solution mixed with water, a neutralizing agent, a foaming agent, and an emulsifying agent,
Wherein the tourmaline liquid phase applied in the forming step is formed by mixing 1 to 20 parts by weight of tourmaline powder per 100 parts by weight of water.
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