KR101772670B1 - Composition of far-infrared radiation and textile comprising the same - Google Patents

Abstract

The present invention relates to a composition comprising natural ores including white feldspar, sericite, kaolinite, and kiyoseki stone and having far-infrared radiation properties, to fibers containing the same, to a manufacturing method thereof, wherein the far-infrared radiation composition is harmless to a human body, but is excellent in far infrared ray emissivity and radiant energy, compared to existing compositions, can maintain functions semi-permanently even with a few dozen times of washing, and as the degree of whiteness is high, can be usefully applied to various fields including textile products.

Description

TECHNICAL FIELD The present invention relates to a far-infrared ray radiation composition and a fiber comprising the same. BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

The present invention relates to a composition made of a natural material and having far-infrared radiation properties, and a fiber containing the same.

Recently, eco-friendly functional materials have attracted attention in the field of textile fashion.

For example, it is possible to produce a fabric by using a plant-derived fiber, to utilize antimicrobial properties, hygroscopicity and moisture resistance of a plant, or to apply a composition obtained by crushing natural minerals to clothing, Is known. Functional garments using such natural materials can be used safely for people suffering from skin troubles such as atopy.

For example, Korean Patent Laid-Open Publication No. 1999-0068520 discloses a method of producing a fiber in which a powder of volcanic rock is applied to a synthetic fiber to obtain a far-infrared radiation effect. Specifically, in the prior art, the volcanic rock material is mixed with water and a polyvinyl alcohol adhesive and the fibers are allowed to settle to allow the volcanic rock powder to be applied to the surface of the fibers.

Korean Patent Publication No. 1999-0068520 (September 6, 1999)

Conventionally, a composition for far-infrared radiation using natural ore has been widely known, but there is still room for improvement in the far-infrared emissivity and radiant energy for textile products.

In addition, the conventional far-infrared ray emitting composition uses a large amount of colored components and further uses a white pigment or the like when it is applied to clothes, etc. However, due to the nature of the mineral product,

In addition, conventionally, in order to give the far infrared ray radiation property to the fiber product, the far infrared ray radiation material is impregnated in the pretreatment step of the fabric or clothes, the dyeing step, or the last tenter step. However, according to this conventional method, an additional chemical additive for impregnation must be used, and as the time elapses or the number of times of washing increases, the far infrared ray material impregnated into the textile product gradually disappears, thereby deteriorating the far-infrared ray radiation characteristic.

Accordingly, an object of the present invention is to provide a composition which is excellent in far-infrared radiation characteristics while using a natural material, and has improved properties such as whiteness and the like, and a method for producing the composition.

Another object of the present invention is to provide a fiber capable of maintaining a semi-permanent function including the far-infrared radiation composition, and a method for producing the same.

According to the above object, the present invention provides a composition having an average emissivity of 0.9 to 0.95 and a radiant energy of 350 to 370 W / m 2 m at a temperature of 37 캜 and a wavelength of 5 to 20 탆, Wherein the composition comprises a natural ore comprising 28 to 40% by weight of white fium silicate, 23 to 33% by weight sericite, 20 to 29% by weight of kaolin and 14 to 20% by weight of gypsum, based on the total weight of the composition, Wherein the composition comprises 20 to 30% by weight of the Si element, 5 to 15% by weight of the Al element, 1 to 10% by weight of the Na element and 0.1 to 5% by weight of the K element based on the total weight of the composition.

According to another aspect of the present invention, there is provided a method for manufacturing a natural ore comprising the steps of: heat treating natural ores including white feldspar, sericite, kaolin and geysers at a temperature of 600 to 1000 ° C; Firstly grinding the natural ores obtained by the heat treatment to 400 to 800 mesh to obtain a powder; Mixing the powder obtained by the primary pulverization with distilled water, and separating only the upper and middle layers from the centrifugal separator; Aging the separated powder at a temperature of 30 to 45 DEG C for 5 to 15 days; Drying the aged powder at a temperature of 50 to 150 DEG C for 12 to 60 hours; And a second step of pulverizing the dried powder with 3000 to 7000 mesh.

According to another aspect of the present invention, there is provided a light emitting device having an average emissivity of 0.88 to 0.95 and a radiant energy of 330 to 370 W / m2 占 퐉 at a temperature of 37 占 폚 and a wavelength of 5 to 20 占 퐉, Wherein the fiber comprises a mineral composition, wherein the mineral composition comprises 28 to 40% by weight of white feldspar, 23 to 33% by weight of sericite, 20 to 29% by weight of kaolin, 14 to 20% by weight of natural stone; Far infrared ray radiation fibers comprising 20 to 30% by weight of Si element, 5 to 15% by weight of Al element, 1 to 10% by weight of Na element and 0.1 to 5% by weight of K element based on the total weight of the mineral composition do.

According to another aspect of the present invention, there is provided a method for manufacturing a natural ore comprising the steps of: heat treating natural ores including white feldspar, sericite, kaolin and gypsum at a temperature of 600 to 1000 ° C; Firstly grinding the natural ores obtained by the heat treatment to 400 to 800 mesh to obtain a powder; Mixing the powder obtained by the primary pulverization with distilled water, and separating only the upper and middle layers from the centrifugal separator; Aging the separated powder at a temperature of 30 to 45 DEG C for 5 to 15 days; Drying the aged powder at a temperature of 50 to 150 DEG C for 12 to 60 hours; Secondly pulverizing the dried powder with 3000 ~ 7000 mesh; Mixing the powder obtained by the second pulverization into a fiber raw material composition; And a step of spinning the yarn from the fiber material composition obtained by mixing.

The far-infrared ray radiating composition of the present invention is made of natural ore and is harmless to the human body, but is superior to similar compositions conventionally known in terms of far-infrared emissivity and radiant energy.

In addition, since the far-infrared radiation composition of the present invention has high whiteness, it is easy to realize white color without application of a separate white pigment when it is applied to clothes.

In addition, the far-infrared ray-emitting fiber according to the present invention is already fused with the far-infrared ray radiation composition from the time of manufacturing the yarn so that the process for adding the far-infrared ray radiation material or the chemical additive is unnecessary and the far- .

1 and 2 are the results of evaluating far-infrared emissivity and radiant energy of the composition of Example 1, respectively.

Hereinafter, the present invention will be described more specifically.

According to one aspect of the present invention there is provided a composition having an average emissivity of 0.9 to 0.95 and a radiant energy of 350 to 370 W / m2 占 퐉 at a temperature of 37 占 폚 and a wavelength of 5 to 20 占 퐉 and a whiteness of 55 to 90 By weight of a natural ore comprising 28 to 40% by weight of white fium silicate, 23 to 33% by weight sericite, 20 to 29% by weight of kaolin and 14 to 20% by weight of lead oxide based on the total weight of the composition , 20 to 30% by weight of Si element, 5 to 15% by weight of Al element, 1 to 10% by weight of Na element and 0.1 to 5% by weight of K element based on the total weight of the composition .

The composition may be a solid composition, or it may be a liquid composition containing solids. The "total weight of the composition" referred to herein as a reference value when exemplifying the ingredient content in the present specification means that the content of each ingredient, based on the total weight of the solids alone in the composition, It is desirable to understand that

The composition consists of natural ores.

The natural ores include albite, sericite, kaolin and kiyoseki.

Based on the total weight of the composition, 28 to 40% by weight of white feldspar, 23 to 33% by weight of sericite, 20 to 29% by weight of kaolin, and 14 to 20% by weight of ganoderma.

The preferred contents of each component below can be illustrated as follows.

The content of white feldspar in the composition may be 28-40 wt%, more specifically 28-32 wt% or 35-40 wt%. The content of sericite in the composition is 23 to 33 wt%, more specifically 28 to 33 wt%. The content of the kaolin in the composition is 20 to 29% by weight, and more specifically 20 to 25% by weight. The content of the geysin in the composition may be 14 to 20% by weight, more specifically 18 to 20% by weight.

In addition, the composition may further comprise morganite, germanium, white oak, elvan, or combinations thereof.

Specifically, the composition may further comprise 1 to 20% by weight, more specifically 1 to 15% by weight total, of manganese, germanium, white oak, elvan, or combinations thereof based on the total weight of the composition 3 to 15% by weight, or 5 to 15% by weight in total. Preferably, the composition may comprise the abovementioned additional ore materials in an amount of 3 to 15% by weight in total.

The composition includes Si, Al, Na and K elements.

That is, the composition includes 20 to 30 wt% of Si element, 5 to 15 wt% of Al element, 1 to 10 wt% of Na element, and 0.1 to 5 wt% of K element based on the total weight of the composition.

As a specific example, the composition comprises 22-28 wt% of Si element, 7-13 wt% of Al element, 2-8 wt% of Na element, and 0.5-4 wt% of K element based on the total weight of the composition do.

As another specific example, the composition comprises 23 to 27% by weight of Si element, 8 to 12% by weight of Al element, 3 to 7% by weight of Na element and 1 to 3% by weight of K element based on the total weight of the composition .

The composition may further include at least one element selected from the group consisting of Fe, Ca, Zr, Ti, Mg, P, Mn, Nb and Rb.

Preferably, the composition may comprise an Fe element in an amount of 0.01 to 1 wt%, 0.05 to 0.5 wt%, or 0.1 to 0.3 wt%, based on the total weight of the composition.

The composition may further contain 0.001 to 1 wt% of at least one element selected from the group consisting of Fe, Ca, Zr, Ti, Mg, P, Mn, Nb, and Rb based on the total weight of the composition. As shown in FIG.

As a specific example, the composition may further include 0.01 to 0.1 wt% of Ca element, 0.01 to 0.1 wt% of Zr element, and 0.01 to 0.1 wt% of Ti element based on the total weight of the composition.

As another specific example, the composition may further contain 0.001 to 0.05 wt% of Mg element and 0.001 to 0.05 wt% of P element based on the total weight of the composition.

As another specific example, the composition may further contain 0.001 to 0.01 wt% of Mn element, 0.001 to 0.01 wt% of Nb element, and 0.001 to 0.01 wt% of Rb element based on the total weight of the composition.

Preferably, the composition scarcely contains any components harmful to the human body, and more preferably, does not contain any harmful components to the human body. Specifically, the composition contains less than 0.01% by weight of components harmful to human body, or does not contain any of these harmful components at all.

More specifically, the composition may be selected from the group consisting of As, B, Ba, Be, Cd, Co, Cr, Cu, Ga, Ge, In, Li, Mo, Ni, Pb, Re, Sb, Sc, , Tl, V, W, Y, and Zn in a total amount of less than 0.01 wt% based on the total weight of the composition, or does not include these elements.

The composition has an average emissivity ranging from 0.9 to 0.95 at a temperature of 37 DEG C and a wavelength condition of 5 to 20 mu m. Specifically, the composition may have an average emissivity ranging from 0.91 to 0.94, or from 0.915 to 0.93, at a temperature of 37 DEG C and a wavelength of 5 to 20 mu m.

The composition also has a radiant energy in the range of 350 to 370 W / m2 占 퐉 at a temperature of 37 占 폚 and a wavelength of 5 to 20 占 퐉. For example, the composition can be applied in the range of 350 to 365 W / m2 占 퐉, 352 to 360 W / m2 占 퐉 range, or 353 to 357 W / m2 占 퐉 range at a temperature of 37 占 폚 and a wavelength of 5 to 20 占 퐉 Lt; / RTI > radiation energy. At this time, the radiation energy may be the maximum radiation energy.

The composition also has a high whiteness of 55-90. More specifically, the composition may have a whiteness in the range of 60 to 85, 65 to 80, or 65 to 75. The whiteness may be measured in accordance with KS K ISO 105-J02.

According to a preferred embodiment, the composition contains at least one element selected from the group consisting of Fe, Ca, Zr, Ti, Mg, P, Mn, Nb and Rb in a total amount of 0.01 to 1% By volume; As, B, Ba, Be, Cd, Co, Cr, Cu, Ga, Ge, In, Li, Mo, Ni, Pb, Re, Sb, Sc, Se, Sn, Y and Zn elements in an amount of less than 0.01 wt.% Total, based on the total weight of the composition; A far infrared ray emissivity of 0.915 to 0.93 and a far-infrared radiation energy of 352 to 360 W / m 2 占 퐉 at a temperature of 37 占 폚 and a wavelength of 5 to 20 占 퐉; It can have a whiteness of 65 ~ 80.

Also, the composition may be in the form of a solid powder. For example, the solid powder composition may have an average particle size in the range of 3 to 6 mu m, or in the range of 4 to 10 mu m.

The composition is prepared by a process comprising heat treating the raw ores and subjecting them to primary pulverization, centrifugation, aging, drying and second milling.

That is, the composition is prepared by (1) heat treating natural ores including white feldspar, sericite, kaolin and kaolin at a temperature of 600 to 1000 ° C .; (2) Milling to obtain a powder; (3) mixing the powder obtained by the first pulverization with distilled water and separating only the lower layer and middle layer from the centrifugal separator; (4) aging the separated powder at 30 to 45 ° C for 5 to 15 days ; (5) drying the aged powder at a temperature of 50 to 150 ° C for 12 to 60 hours; And (6) secondarily pulverizing the dried powder to 3000 to 7000 mesh.

More specific process conditions are illustrated below for each step.

In the step (1), the natural ores are pulverized to a predetermined size, and then the organic matter is removed after heating at a temperature of 700 to 900 ° C. for 0.5 to 2 hours.

In the above step (2), the primary pulverization may be performed at 500 to 700 mesh.

In the above step (3), separation using a centrifuge may be performed more specifically for 1 to 3 hours.

In the step (4), the aging may be carried out more specifically at a temperature of 30 to 40 DEG C for 5 to 10 days.

In the step (5), the drying may be carried out more specifically at a temperature of 80 to 120 ° C for 12 to 36 hours.

In the step (6), after grinding for 24 hours or more, it is dried for 48 hours or more to obtain a final natural ore powder.

The far infrared ray emitting composition of the present invention thus produced is made of a natural material and is harmless to the human body, but is superior to similar compositions conventionally known in terms of far infrared ray emissivity and radiant energy. In addition, since the far-infrared radiation composition of the present invention has high whiteness, it is easy to realize white color without application of a separate white pigment when it is applied to clothes or the like.

According to another aspect of the present invention, there is provided a fiber comprising a yarn spun from a fiber raw material composition containing the far-infrared radiation composition.

That is, according to another aspect of the present invention, there is provided a silver halide photographic light-sensitive material having an average emissivity of 0.88 to 0.95 and a radiant energy of 330 to 370 W / m 2 m at a temperature of 37 캜 and a wavelength of 5 to 20 탆, Wherein the fiber comprises a mineral composition, wherein the mineral composition comprises 28 to 40% by weight of white feldspar, 23 to 33% by weight of sericite, 20 to 29% by weight of kaolin, 14 to 20% by weight of natural stone; Far infrared ray radiation fibers comprising 20 to 30% by weight of an Si element, 5 to 15% by weight of an Al element, 1 to 10% by weight of an Na element and 0.1 to 5% by weight of a K element based on the total weight of the mineral composition do.

The mineral composition may have the same composition as that of the far-infrared ray radiation composition, and more specifically, the content of each ore and the content of each element are as described above.

In addition, the mineral composition may have the same physical properties and performance as the far-infrared radiation composition, and more specific properties and performances thereof are as exemplified above.

The far-infrared radiation fiber further contains a fiber raw material composition in addition to the mineral composition. The fiber raw material composition contained in the far-infrared ray-emitting fiber is not particularly limited, and a composition used as a fiber raw material in the market may be purchased or a product manufactured by a known method may be used. For example, the fiber raw material composition may be a polymer resin composition, for example, a thermoplastic polymer resin composition such as a polyolefin resin composition, a polyester resin composition, or the like.

The far-infrared ray-emitting fiber may be one in which the mineral composition is mixed with the fiber raw material composition and radiated. As such, the far infrared ray-emitting fiber may not be coated or deposited on the fiber through a post-process, but may be preliminarily mixed and radiated into the fiber raw material composition.

The mixing ratio by weight of the mineral composition and the fiber raw material composition in the far-infrared ray-emitting fiber may be in a weight ratio range of, for example, 10 to 50:50 to 90, or a weight ratio of 20 to 40:60 to 80.

The far-infrared radiation fibers have an average emissivity ranging from 0.8 to 0.95 at a temperature of 37 캜 and a wavelength of 5 to 20 탆. Specifically, the far-infrared radiation fibers may have an average emissivity in the range of 0.85 to 0.93, or 0.87 to 0.91 at a temperature of 37 DEG C and a wavelength of 5 to 20 mu m.

The far-infrared radiation fibers have a radiant energy in the range of 330 to 370 W / m 2 m at a temperature of 37 캜 and a wavelength of 5 to 20 탆. For example, the far-infrared radiation fibers may have a wavelength ranging from 350 to 370 W / m2 占 퐉, a range from 335 to 360 W / m2 占 퐉, or from 340 to 350 W / m2 占 퐉 Lt; RTI ID = 0.0 > um. ≪ / RTI > At this time, the radiation energy may be the maximum radiation energy.

The far-infrared ray-emitting fiber is produced by (1) heat treating natural ores including white feldspar, sericite, kaolin and gypsum at a temperature of 600 to 1000 ° C; (2) firstly pulverizing the natural ores obtained by the heat treatment to 400 to 800 mesh to obtain a powder; (3) mixing the powder obtained by the first pulverization with distilled water, and separating only the lower layer and middle layer from the centrifugal separator; (4) aging the separated powder at a temperature of 30 to 45 캜 for 5 to 15 days; (5) drying the aged powder at a temperature of 50 to 150 ° C for 12 to 60 hours; And (6) secondarily pulverizing the dried powder to 3000 to 7000 mesh; (7) mixing the powder obtained by the second pulverization into a fiber material composition; And (8) spinning the yarn from the blended fiber raw material composition.

Steps (1) to (6) of the method for producing the fiber can be carried out according to the same conditions and procedures as the steps (1) to (6) of the method for producing the far-infrared radiation composition as described above.

In the step (7), the mixing weight ratio of the secondary pulverized powder and the fiber raw material composition may be 20 to 40:60 to 80.

The fiber raw material composition is not particularly limited, and a composition used as a fiber raw material in the market may be purchased or a product manufactured by a known method may be used. For example, the fiber raw material composition may be a general polyester resin composition.

Also, the fiber raw material composition may be a solid powdery composition which is pulverized to 3000 mesh or more, for example, 3000 to 7000 mesh.

The fibers manufactured in this manner are already fused with the far-infrared radiation composition from the time of manufacturing the yarn, so that no process or chemical additive for impregnating the far-infrared radiation material is required, and the far-infrared radiation performance can be maintained even for several times of washing

Hereinafter, the present invention will be described in more detail with reference to examples.

However, the following examples are illustrative of the present invention and the scope of the present invention is not limited to these examples.

Example 1: Preparation of far-infrared radiation composition

34 g of white feldspar, 28 g of sericite, 24 g of kaolin, and 17 g of Guiyang stone were mixed.

In addition, 10g of Baekok and 7g of elvan were further mixed. The mixed ore was heat-treated at 800 ° C. The heat-treated ore was first pulverized to 600 mesh (about 23 mu m) to obtain a powder. The primary pulverized powder was mixed with distilled water (2: 8, w / w) and only the upper and middle layers were separated by a centrifuge. The separated powder was aged at 30 to 40 DEG C for 7 days. The aged powder was dried at 100 DEG C for 24 hours. The dried powder was secondly pulverized to 5000 mesh (about 2.6 mu m). As a result, a far infrared ray emitting composition on a powder was obtained.

Example 2: Preparation of far-infrared radiation fiber

The far infrared ray radiating composition on the powdery form obtained in Example 1 was mixed with the fibrous raw material composition in a weight ratio of 30:70. At this time, the fiber raw material composition was a polyester resin powder pulverized to 5000 mesh. The yarn was melt spun from the blended fiber stock composition.

Test Example 1: Analysis of the inorganic power source

For the composition of Example 1, an inorganic power source analysis was performed by a professional testing laboratory.

(1) Test object - Composition (powder) of Example 1

(2) Testing Institution - International Authorized Testing Institution Korea Polymer Testing Institute (Seoul, Korea)

(3) Analysis method - Inductively coupled plasma sepcrometry (ICP)

- Analytical instrument: Agilent Technologies 720 ICP-OED

- Detector: VistaChip II CCD detector

- Analysis element: Al, As, B, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, Ga, Ge, In, K, Li, Mg, Mn, Mo, Na, Pb, Re, Rb, Sb, Sc, Se, Si, Sn, Ta, Ti, Ti, V, W,

(4) Analysis results

Composition analysis of Example 1 Analytical element content
(mg / kg) content
(weight%) Si 244673.8 24.467 Al 98289.2 9.829 Na 41845.9 4.185 K 19463.2 1.946 Fe 1757.5 0.176 Ca 683.5 0.068 Zr 390.6 0.039 Ti 195.3 0.020 Mg 97.6 0.010 P 97.6 0.010 Mn 48.8 0.005 Nb 48.8 0.005 Rb 48.8 0.005 As, B, Ba, Be, Cd, Co,
Cr, Cu, Ga, Ge, In,
Li, Mo, Ni, Pb, Re,
Sb, Sc, Se, Sn, Sr,
Ta, Tl, V, W, Y, Zn

Non-detection

Non-detection

Test Example 2: Evaluation of far-infrared ray emission

The composition of Example 1 was subjected to a far infrared ray radiation performance by a professional testing laboratory.

(1) Test object - Composition (powder) of Example 1

(2) Testing institute - Korea Far Infrared Ray Applied Evaluation Research Institute (Seoul, Korea)

(3) Test method (KFIA-FI-1005) - The infrared emissivity and the radiant energy of the sample were measured against a black body using an infrared spectrophotometer (FT-IR spectrometer) at 37 ° C.

(4) Test results - The test results are shown in Table 2 and FIGS. 1 and 2.

division Emissivity
(Wavelength range of 5 to 20 mu m) Radiant energy
(W / m 2 占 퐉, 37 占 폚) Example 1 0.918 354

As shown in Table 2 and FIGS. 1 and 2, the composition of the example according to the present invention was excellent in the far-infrared radiation property.

Test Example 3: Whiteness Evaluation

The whiteness index of the fiber of Example 2 was evaluated by a professional testing laboratory.

(1) Subject to be tested - Fabric fabric prepared using the fiber of Example 2

(2) Testing institute - Korea Apparel Testing and Research Institute (Seoul, Korea)

(3) Test method (KS K ISO 105-J02: 2010)

- Tester: Color-Eye 7000A, Gretagmacbeth, USA

Test conditions: measurement wavelength: 360 to 750 nm, light source: D64 / 10 °, aperture size: 1 inch, excluding specular reflection

- The sample is measured in two layers.

(4) Test result - The whiteness of the fiber of Example 2 was measured to be 69.8, and the whiteness was significantly higher than that of the fabric using the conventional mineral composition.

Test Example 4: Evaluation of durability

The fiber of Example 2 was subjected to a durability evaluation by a professional testing institute.

(1) Test subjects

Sample 1: Knitted fabric prepared using the fibers of Example 2 - no laundry

Sample 2: Fabric Fabric Fabricated Using the Fiber of Example 2 - Performed 20 Washings

- Washing condition: KS K ISO 6330: 2011, 11B (Canmore automatic washing machine, weak cycle, 30 ± 3 ℃, net drying, load 2.0kg-

(2) Testing laboratory

Korea Far Infrared Ray Applied Evaluation Research Institute (Seoul, Korea)

(3) Test method (KFIA-FI-1005)

The infrared emissivity and radiant energy of each sample were measured against a black body using an infrared spectrophotometer (FT-IR spectrometer) at 37 占 폚.

(4) Test results

division Emissivity
(Wavelength range of 5 to 20 mu m) Radiant energy
(W / m 2 占 퐉, 37 占 폚) Sample 1 0.887 342 Sample 2 0.886 342

As shown in Table 3, the fibers of the examples according to the present invention exhibited excellent durability because the emissivity and radiant energy were not substantially lowered even after washing 20 times.

The far infrared ray radiation composition of the present invention can be widely applied to industrial fields such as textile products (powder, chip, fiber, yarn, fabric, clothes, bedding, etc.), cosmetic raw materials, industrial materials,

Claims (15)

A composition having an average emissivity of 0.9 to 0.95 and a radiant energy of 350 to 370 W / m < 2 > 占 퐉 and a whiteness of 55 to 90 at a temperature of 37 占 폚 and a wavelength of 5 to 20 占 퐉,
Said composition comprising natural ores comprising 28 to 40% by weight of white feldspar, 23 to 33% by weight sericite, 20 to 29% by weight of kaolin and 14 to 20% by weight of gypsum, based on the total weight of the composition;
Wherein the composition comprises 20 to 30% by weight of the Si element, 5 to 15% by weight of the Al element, 1 to 10% by weight of the Na element and 0.1 to 5% by weight of the K element based on the total weight of the composition.
The method according to claim 1,
Wherein the natural ore further comprises mogallite, germanium, white oak, elvan, or a combination thereof in an amount of 3 to 15 wt% in total.
The method according to claim 1,
Wherein the composition further comprises an Fe element in an amount of 0.01 to 1% by weight based on the total weight of the composition.
The method according to claim 1,
The composition further comprises at least one element selected from the group consisting of Fe, Ca, Zr, Ti, Mg, P, Mn, Nb and Rb in an amount of 0.001 to 1% Far infrared radiation composition.
The method according to claim 1,
Wherein the composition is selected from the group consisting of As, B, Ba, Be, Cd, Co, Cr, Cu, Ga, Ge, In, Li, Mo, Ni, Pb, Re, Sb, Sc, Se, Sn, , W, Y and Zn elements in an amount of less than 0.01% by weight based on the total weight of the composition, or does not comprise these elements.
The method according to claim 1,
Wherein the composition has a whiteness of 65-80.
The method according to claim 1,
Wherein the composition has an average emissivity of 0.915 to 0.93 at a temperature of 37 캜 and a wavelength condition of 5 to 20 탆.
The method according to claim 1,
Wherein the composition has a radiant energy of 352 to 360 W / m2 占 퐉 at a temperature of 37 占 폚 and a wavelength of 5 to 20 占 퐉.
The method according to claim 1,
Wherein the composition comprises
At least one element selected from the group consisting of Fe, Ca, Zr, Ti, Mg, P, Mn, Nb and Rb in an amount of 0.001 to 1% by weight based on the total weight of the composition;
As, B, Ba, Be, Cd, Co, Cr, Cu, Ga, Ge, In, Li, Mo, Ni, Pb, Re, Sb, Sc, Se, Sn, Y and Zn elements in an amount of less than 0.01 wt.% Total, based on the total weight of the composition;
A far infrared ray emissivity of 0.915 to 0.93 and a far infrared ray radiation energy of 352 to 360 W / m < 2 > 占 퐉 at a temperature of 37 占 폚 and a wavelength of 5 to 20 占 퐉;
Far infrared radiation composition having a whiteness of 65-80.
The method according to claim 1,
The composition
Treating natural ores including white feldspar, sericite, kaolin and geysers at a temperature of 600 to 1000 캜;
Firstly grinding the natural ores obtained by the heat treatment to 400 to 800 mesh to obtain a powder;
Mixing the powder obtained by the primary pulverization with distilled water, and separating only the upper and middle layers from the centrifugal separator;
Aging the separated powder at a temperature of 30 to 45 DEG C for 5 to 15 days;
Drying the aged powder at a temperature of 50 to 150 ° C for 12 to 60 hours; And
And secondly pulverizing the powder obtained by drying to 3000 to 7000 mesh.
11. The method of claim 10,
Wherein the composition comprises
At least one element selected from the group consisting of Fe, Ca, Zr, Ti, Mg, P, Mn, Nb and Rb in an amount of 0.01 to 1% by weight based on the total weight of the composition;
As, B, Ba, Be, Cd, Co, Cr, Cu, Ga, Ge, In, Li, Mo, Ni, Pb, Re, Sb, Sc, Se, Sn, Y and Zn elements in an amount of less than 0.01 wt.% Total, based on the total weight of the composition;
A far infrared ray emissivity of 0.915 to 0.93 and a far infrared ray radiation energy of 352 to 360 W / m < 2 > 占 퐉 at a temperature of 37 占 폚 and a wavelength of 5 to 20 占 퐉;
Far infrared radiation composition having a whiteness of 65-80.
Treating natural ores including white feldspar, sericite, kaolin and geysers at a temperature of 600 to 1000 캜;
Firstly grinding the natural ores obtained by the heat treatment to 400 to 800 mesh to obtain a powder;
Mixing the powder obtained by the primary pulverization with distilled water, and separating only the upper and middle layers from the centrifugal separator;
Aging the separated powder at a temperature of 30 to 45 DEG C for 5 to 15 days;
Drying the aged powder at a temperature of 50 to 150 ° C for 12 to 60 hours; And
The method of manufacturing the far-infrared ray emitting composition according to claim 1, comprising the step of secondly pulverizing the dried powder by 3000 to 7000 mesh.
A fiber having an average emissivity of 0.88 to 0.95 and a radiant energy of 330 to 370 W / m2 占 퐉 at a temperature of 37 占 폚 and a wavelength of 5 to 20 占 퐉 and a whiteness of 55 to 90,
The fibers contain a mineral composition,
The mineral composition is composed of natural ores comprising 28 to 40% by weight of white feldspar, 23 to 33% by weight of sericite, 20 to 29% by weight of kaolin and 14 to 20% by weight of ganoderate, based on the total weight of the mineral composition ; Wherein the inorganic filler comprises 20 to 30% by weight of Si element, 5 to 15% by weight of Al element, 1 to 10% by weight of Na element and 0.1 to 5% by weight of K element based on the total weight of the mineral composition.
14. The method of claim 13,
The fiber
Treating natural ores including white feldspar, sericite, kaolin and geysers at a temperature of 600 to 1000 캜;
Firstly grinding the natural ores obtained by the heat treatment to 400 to 800 mesh to obtain a powder;
Mixing the powder obtained by the primary pulverization with distilled water, and separating only the upper and middle layers from the centrifugal separator;
Aging the separated powder at a temperature of 30 to 45 DEG C for 5 to 15 days;
Drying the aged powder at a temperature of 50 to 150 DEG C for 12 to 60 hours;
Secondly pulverizing the dried powder with 3000 ~ 7000 mesh;
Mixing the powder obtained by the second pulverization into a fiber raw material composition; And
And radiating the yarn from the fiber material composition obtained by mixing.
Treating natural ores including white feldspar, sericite, kaolin and geysers at a temperature of 600 to 1000 캜;
Firstly grinding the natural ores obtained by the heat treatment to 400 to 800 mesh to obtain a powder;
Mixing the powder obtained by the primary pulverization with distilled water, and separating only the upper and middle layers from the centrifugal separator;
Aging the separated powder at a temperature of 30 to 45 DEG C for 5 to 15 days;
Drying the aged powder at a temperature of 50 to 150 DEG C for 12 to 60 hours;
Secondly pulverizing the dried powder with 3000 ~ 7000 mesh;
Mixing the powder obtained by the second pulverization into a fiber raw material composition; And
The method of manufacturing a far-infrared ray emitting fiber according to claim 13, comprising a step of spinning the yarn from the fiber material composition obtained by mixing.

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