JP2000290826A - Carbon-containing fiber and carbon-containing yarn using the same fiber and carbon-containing cotton - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a carbon-containing fiber capable of producing a fiber product having good feeling to users, carbon-containing yarn produced therefrom, carbon-containing cotton and carbon-containing nonwoven fabric by effectively utilizing characteristic actions which carbon has, e.g. absorption action on chemical substances such as odor, heat-insulating action due to far-infrared ray radiation and action generating minus ion. SOLUTION: This carbon-containing fiber 1 is obtained by dispersing carbon powder 11 in which carbon is finely pulverized into a fiber 10. A carbon- containing yarn, carbon-containing cotton and carbon-containing nonwoven fabric are each produced according to ordinary method by using the carbon- containing fiber 1 or combinedly using the fiber 1 with other fiber.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a novel carbon-containing fiber and a carbon-containing yarn, a carbon-containing cotton, and a carbon-containing nonwoven fabric using the same.

[0002]

[Problems to be Solved by the Invention] White charcoal (Bincho charcoal) carbonized from charcoal, especially Ubamegaji
Has been used as a fuel since ancient times, but recently various uses other than fuel have been proposed. For example, put in tap water to eliminate the smell of chlorine, cook rice in a rice cooker with the rice that has been sharpened, use it as a smell in a refrigerator, use crushed charcoal as part of the core material of the pillow, etc. is there.

[0003] As described above, charcoal is being reviewed and is being used in various situations in daily life because it has a function of adsorbing chemical substances such as odors, a function of keeping warm by far-infrared radiation, and a function of generating negative ions. This has been found in recent years. An object of the present invention is to provide a charcoal-containing fiber, a charcoal-containing yarn, a charcoal-containing cotton, and a charcoal-containing nonwoven fabric capable of producing a fiber product having a good feeling of use by effectively utilizing the above-described specific action of charcoal. It is assumed that.

[0004]

Means for Solving the Problems The carbon-containing fiber of the present invention for solving the above problems is characterized in that charcoal powder obtained by finely pulverizing charcoal is dispersed in the fiber.
In the charcoal-containing fiber of the present invention, the content ratio of charcoal powder is preferably, but not limited to, within a range of 1 to 5% by weight.

Further, the above-mentioned charcoal-containing fiber, the charcoal-containing yarn, and the charcoal-containing nonwoven fabric of the present invention are produced by using the above-mentioned charcoal-containing fiber alone or in combination with other fibers. In the present invention, the charcoal powder dispersed in the charcoal-containing fiber has various excellent functions which charcoal inherently has, namely, the adsorbing action of chemical substances, the heat retaining action by far-infrared radiation, and the generation of negative ions. Exercise action.

[0006] For this reason, when a fiber product such as clothing or bedding is manufactured using the fiber, thread, cotton or non-woven fabric of the present invention, the heat retention effect is higher than that of a normal product to which no charcoal powder is added. In addition, it is possible to obtain a product that does not easily absorb the odor of the adsorbed sweat. Among the above-mentioned clothing, for example, underwear, pajamas, socks, tights, T-shirts, trainers, wrappers, supporters, hats, and the like can be mentioned, and it is also suitable to use for winter clothing such as ski wear. It can also be used as a core material for clothing or a pad. Examples of the bedding include a futon's side lining and padding, a pillow and its cover, sheets, and cushions.

Further, using the fiber, thread, cotton or non-woven fabric of the present invention, interior materials and furniture of buildings, interior goods,
Alternatively, in the case of manufacturing textile products such as interior materials for automobiles, railcars, aircraft, etc., the interior is excellent in deodorizing effect, and formalin and other VOCs (easily volatile substances) which are particularly problematic in buildings. The product which can reduce the influence of the above is obtained.

[0008] Among the above, as interior materials, furniture, and interior goods for buildings, there are wallpaper, heat insulating materials, curtains, side materials of cushion parts such as chairs, cushion materials, carpets, and the like.
Floor mats (for kitchen, bath and toilet), toilet seat covers, etc. Examples of interior materials for automobiles and the like include, for example, side lands of seats, cushion materials, and heat insulating materials.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing an example of the embodiment. First, the carbon-containing fiber of the present invention will be described. As shown in FIG. 1, a charcoal-containing fiber 1 of the present invention is made of
Is randomly dispersed in the fiber 10. The charcoal powder 11 is contained in the fiber 10 and a part thereof is
As shown in the figure, it may be exposed on the surface of the fiber 10.

The above-mentioned charcoal-containing fiber 1 has the same structure as a conventional chemical fiber except that the charcoal powder 11 is dispersed. That is, any of the following (1) to (3) is adopted as the fiber 10. (1) Chemical treatment of a natural polymer obtained from natural products to impart solubility, and then dissolving in a solvent, extrude the solution into a fibrous form from a nozzle, and then put it in a coagulating liquid or remove the solvent. Regenerated fiber produced by solidification. (2) A semi-synthetic polymer in which many parts were chemically modified as a raw material while using a natural polymer as a basic skeleton, and a solution in which the semi-synthetic polymer was dissolved in a solvent or heated and melted The semi-synthesis is produced by extruding the melt into a fibrous form from the nozzle in the same manner as above and then solidifying it. fiber. (3) Synthetic fibers produced by extruding a solution in which a synthetic polymer is dissolved in a solvent or a melt obtained by heating and melting from a nozzle into a fiber form and coagulating it.

In the production of the semi-synthetic fibers of (2) and the synthetic fibers of (3) among the chemical fibers of (1) to (3),
By mixing and dispersing a predetermined amount of charcoal powder 11 in advance into a polymer masterbatch which is a raw material of the pellets used in the spinning step, the carbon-containing fiber of the present invention is passed through the subsequent spinning step. 1 is manufactured. Also
In the production of recycled fiber (1), a predetermined amount of carbon powder 11 is mixed and dispersed in a polymer solution before being extruded into a fibrous form, and then extruded into a fibrous form from a nozzle and solidified as usual. The carbon-containing fiber 1 of the present invention is manufactured.

The latter method can be applied to the production of the semi-synthetic fiber (2) and the synthetic fiber (3). That is, a predetermined amount of the carbon powder 11 is mixed and dispersed in a solution or a melt of the semi-synthetic polymer or the synthetic polymer before being extruded into a fibrous form, and then extruded into a fibrous form from a nozzle and solidified as usual. The carbon-containing fiber 1 of the present invention is manufactured. The content ratio of the charcoal powder 11 in the charcoal-containing fiber 1 of the present invention is:
As described above, the content is preferably in the range of 1 to 5% by weight.

When the content of the coal powder 11 is less than the above range, the above-mentioned adsorption of chemical substances, heat retention by far-infrared radiation, generation of negative ions, etc., due to the addition of the coal powder 11 to the fiber 10 are performed. May not be fully exhibited. Conversely, when the ratio exceeds this range, the content of the polymer constituting the fiber 10 is relatively reduced, so that the strength of the carbon-containing fiber 1 is reduced. There is also a risk that the charcoal-containing fiber 1 cannot be manufactured.

The content ratio of the charcoal powder 11 is preferably about 2% by weight in the above range. As the charcoal powder 11, any of various pulverized charcoal materials can be used. As described above, white charcoal (activated white charcoal) represented by Bincho charcoal is finely pulverized. A charcoal powder of about 1 μm or less is preferably used.

Since the above-mentioned white coal is fired at a temperature of 1200 ° C. or more for a long period of time and has an extremely fine internal structure, the coal powder produced from such white coal has an effect of adsorbing chemical substances. Excellent. For example, charcoal powder produced by pulverizing Bincho charcoal is 1
It is said that g has an adsorption area of about 220 tatami mats.

The polymer constituting the charcoal-containing fiber 1 of the present invention together with the charcoal powder 11 includes various types of conventionally known natural, semi-synthetic or synthetic materials used for forming the above-mentioned various chemical fibers. Any of the above polymers can be used. Among them, synthetic polymers such as polyester, nylon, and acryl are particularly easy to produce fibers in a state where the carbon powder 11 is dispersed, or the dispersion of the carbon powder 11 It is suitably used because of its excellent properties.

As described above, the carbon-containing fiber of the present invention is suitably used as a raw material for yarn, cotton, nonwoven fabric and the like. Among them, the charcoal-containing yarn according to the present invention is produced through a usual spinning process using the charcoal-containing fiber 1 of the present invention alone or in combination with other fibers as described above. You.

In the above-mentioned charcoal-containing yarn, the number of twists of the fiber and other constitutions are not particularly limited. For example, the charcoal-containing yarn 2 in FIG. 2 is a single yarn in which a plurality of the carbon-containing fibers 1 are twisted, but two or more such single yarns may be twisted. Alternatively, a non-twisted, long-filament monofilament, which is the charcoal-containing fiber itself, or a multifilament obtained by arranging a plurality of such filaments in parallel can also be used as the charcoal-containing yarn.

In addition, the carbon-containing fiber 1 is not used alone as described above, but is used in combination with other fibers.
A so-called mixed yarn or mixed yarn may be used. Charcoal-containing fiber 1
Is basically black or dark gray because of the charcoal powder 11 dispersed in the fiber 10, so that it is blended or mixed with a colorless, white or light colored yarn,
There is an advantage that a yarn that is lighter in color and can be easily dyed in other colors can be obtained. In addition, the charcoal-containing fiber 1 tends to have a slight decrease in tensile strength and the like due to the charcoal powder 11 dispersed in the fiber 10, but such a strength is obtained by blending or mixing with a higher-strength yarn. There is also an advantage that the decrease in the temperature can be compensated.

Carbon-containing fiber 1 in a blended yarn or a blended yarn
The blending ratio between the fibers and other fibers is set in an appropriate range according to the intended use of the carbon-containing yarn to be produced, the required characteristics, and the like. The charcoal-containing yarn of the present invention is the same as a normal yarn except that the carbon powder is dispersed in the fiber, and thus can be used for the production of various conventionally known fiber products.

For example, fabrics having various weaving structures are made using a loom, and then the fabrics are sewn.
In addition to producing the various fiber products described above, various fiber products can also be directly knitted using a knitting machine. Preferred examples of the charcoal-containing yarn include the following two examples. A staple of polyester fiber (1.25 denier) in which charcoal powder having an average particle diameter of 1 μm or less dispersed at a ratio of 2% by weight and produced by pulverizing Bincho charcoal, and a natural cotton fiber in a weight ratio. Two more single yarns (20th count) mixed at a ratio of 30:70 were twisted and twisted (2 yarns).
0th twin yarn).

This substance has a light gray color and can be dyed in a dark color other than black, and has the above-mentioned chemical substance adsorbing action, heat retaining action by far-infrared radiation, negative ion generating action, etc. It was excellent. Nylon 66 multifilament in which charcoal powder having an average particle size of 1 μm or less is produced by pulverizing bincho charcoal and dispersed at a ratio of 2% by weight.

Although this product exhibited a black color, it had high strength and was particularly excellent in a heat retaining effect by far-infrared radiation. Next, the charcoal-containing cotton of the present invention will be described. As shown in FIG. 3, the charcoal-containing cotton 3 of the present invention is characterized by containing at least the charcoal-containing fiber 1 of the present invention.

As described above, the charcoal-containing cotton 3 of the present invention is produced through a usual production process using the carbon-containing fiber 1 alone or in combination with other fibers. . That is, the staple of the charcoal-containing fiber 1 is bulky-processed together with staples of other fibers as needed, whereby the charcoal-containing cotton of the present invention is manufactured.

When the charcoal-containing fiber 1 and other fibers are used in combination, the blending ratio of the two fibers is set in an appropriate range according to the use of the charcoal-containing cotton to be produced, required characteristics, and the like. The above-mentioned charcoal-containing cotton of the present invention is the same as ordinary synthetic fiber cotton except that carbon powder is dispersed in the fiber, for example, among the various uses described above, for example, bedding cotton and furniture cushioning materials, It can be used for various conventionally known applications such as a cushion material for an automobile seat.

Preferred examples of the above charcoal-containing cotton include the following. A staple of polyester fiber (6 denier) in which charcoal powder having an average particle size of 1 μm or less is dispersed at a ratio of 2% by weight, and manufactured by bulky processing. Although it exhibited a black color, it was excellent in the above-mentioned chemical substance adsorbing action, heat retaining action by far-infrared radiation, negative ion generating action, and the like.

Next, the carbon-containing nonwoven fabric of the present invention will be described. As described above, the charcoal-containing nonwoven fabric of the present invention is produced through the usual process using the charcoal-containing fiber 1 of the present invention alone or in combination with other fibers. That is, the carbon-containing fiber 1 is formed into a web together with other fibers as necessary, and then bonded between filaments, whereby the nonwoven fabric of the present invention is manufactured.

When the carbon-containing fiber 1 and other fibers are used in combination, the mixing ratio of the two fibers is set in an appropriate range according to the intended use of the carbon-containing nonwoven fabric to be produced and the required properties. Since the charcoal-containing nonwoven fabric is the same as a normal nonwoven fabric except that the carbon powder is dispersed in the fibers,
For example, among the above-mentioned various uses, it can be used for various conventionally known uses such as a core material and a pad for clothing, and a heat insulating material for buildings and automobiles.

[0029]

As described above in detail, according to the carbon-containing fiber of the present invention, and the carbon-containing yarn, the carbon-containing cotton and the carbon-containing nonwoven fabric produced from the fiber, the action of adsorbing chemical substances such as odor, An effect of producing a fiber product having a good feeling of use can be produced by effectively utilizing the unique effects of charcoal, such as a heat-retaining effect by far-infrared radiation and a negative ion generating effect.

[Brief description of the drawings]

FIG. 1 is an enlarged partial cross-sectional view of a carbon-containing fiber of the present invention.

FIG. 2 is an enlarged front view of an example of the charcoal-containing yarn of the present invention.

FIG. 3 is a front view showing an example of the charcoal-containing cotton of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Charcoal-containing fiber 10 Fiber 11 Charcoal powder 2 Charcoal-containing yarn 3 Charcoal-containing cotton

Claims (5)

[Claims] 1. A charcoal-containing fiber, wherein charcoal powder obtained by pulverizing charcoal is dispersed in the fiber. 2. The charcoal-containing fiber according to claim 1, wherein the content ratio of the charcoal powder is in the range of 1 to 5% by weight. 3. A charcoal-containing fiber comprising at least the charcoal-containing fiber according to claim 1. 4. A charcoal-containing wadding comprising at least the charcoal-containing fiber according to claim 1. 5. A charcoal-containing non-woven fabric comprising at least the charcoal-containing fiber according to claim 1.