JP2579562B2 - Fiber structure having deodorant and antibacterial properties - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fiber structure having both deodorizing properties and antibacterial properties.

[0002]

2. Description of the Related Art Hitherto, deodorizing fibers or antibacterial fibers have been known, but there has been no fiber structure having both deodorizing properties and antibacterial properties.

[0003]

As described above, there has hitherto not been a fiber structure having both deodorizing properties and antibacterial properties. Therefore, for example, sheets, futon covers, and other kitchen cloths especially in hospitals. However, even if they are cleaned or washed, they have a problem that they do not remove odors and various germs and are extremely unsanitary.

[0004] The present invention has been made to solve such problems, and an object thereof is to provide a fiber structure having deodorizing properties and antibacterial properties.

[0005]

According to the present invention, a particle size of 15 μm is provided.
The following magnesia fine powder is used as a base material, and alumina, silica, zinc oxide, titanium, zeolite, and serpentine having a particle size of 15 μm or less are ceramics of a single component with respect to 30 to 75% by weight of the base material. Or any one of fine powders of amphibole as a mixture,
5% by weight and mixed with the base material, and further added as the mixed material among the fine powders of alumina, silica, zinc oxide, titanium, zeolite, serpentine, or amphibolite having a particle size of 15 μm or less. Using any one type other than the mixture as an auxiliary material, the auxiliary material is added to and mixed with the base material at a ratio of 15 to 35% by weight, and is sequentially charged into a mixer and a pulverizer a plurality of times. The base material and the admixture and auxiliary materials are mixed, stirred and crushed to be uniformly mixed, and then 200 to
A composite ceramic obtained by firing with a firing machine at a firing temperature of 500 ° C. is added to a mixed solution of an acrylic adhesive and an emulsion and mixed and stirred, and the mixed solution is mixed with a fiber such as a woven fabric, a knitted fabric, or a nonwoven fabric. The above-mentioned problems have been solved by applying means to the structure, applying the mixed solution to the fiber structure, or impregnating the mixed solution with the fiber structure.

[0006]

The composite ceramic having deodorizing and antibacterial properties exhibits a strong alkaline property, generates cations without a change in hydrogen ion concentration with time, kills general viable bacteria, and decomposes hydrogen sulfide and ammonia. I do. Then, by applying, spraying or impregnating the composite ceramics on the fiber structure, the fiber structure is provided with deodorizing properties and antibacterial properties.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Among ceramics of a single component, zeolite and silica stone have a deodorization rate of 80 to 100% with respect to ammonia and hydrogen sulfide, which are odor sources, respectively, and are very excellent in deodorization. However, it is known that it has no antibacterial properties against Escherichia coli and staphylococci. Also,
Among the single-component ceramics, magnesia has an antibacterial rate close to 100% against Escherichia coli and staphylococci, and is extremely excellent in antibacterial properties, but is completely deodorant against ammonia and hydrogen sulfide. It is known that there is no.

In view of the above, the present inventor individually measured the deodorization rate and the antibacterial rate of a single-component ceramic, extracted those excellent in the deodorization rate or the antibacterial rate, and based on the ceramics. Materials, mixed materials and auxiliary materials are employed and mixed and stirred at a fixed ratio, and then fired to produce composite ceramics having deodorizing and antibacterial properties, and the composite ceramics is made of acrylic. Addition and mixing and stirring in a mixed solution of an adhesive and an emulsion, and applying the mixed solution to a fibrous structure such as a woven fabric, a knitted fabric, or a nonwoven fabric, or spraying the mixed solution onto the fibrous structure Alternatively, the fiber structure was impregnated with the mixed solution to complete a fiber structure having deodorizing properties and antibacterial properties.

When the deodorizing rate and the antibacterial rate of the single component ceramics used as the base material of the composite ceramic having deodorizing and antibacterial properties used in the present invention were measured, the measured values shown in Table 1 were obtained.

[0010]

[Table 1]

[0011] From the results shown in Table 1, in any of magnesia E. coli and blanking de U-shaped cocci, have antibacterial index close to almost 100%, but alumina has antibacterial rate almost 100% relative to E. coli , it was found that there is no antimicrobial for blanking de U-shaped cocci. Furthermore, silica stone has a deodorization rate of 100% for hydrogen sulfide and 93% for ammonia, but has almost no antibacterial properties, and zinc oxide has a deodorization rate of 100% for hydrogen sulfide. Has almost no deodorizing and antibacterial properties against water, and titanium has a deodorizing rate of 60% for ammonia, but has little deodorizing properties for hydrogen sulfide and little antibacterial property I understood. Furthermore, zeolite has a high deodorization rate as described above, but has almost no antibacterial properties. Serpentine has a deodorization rate of 100% with respect to hydrogen sulfide, but has no deodorization property with respect to ammonia. ,
It has almost 100% antibacterial activity against staphylococci, but has little antibacterial activity against Escherichia coli, amphibole has almost no deodorization, and it is found to be slightly antibacterial against staphylococci. Was.

Based on the above results, magnesia having an antibacterial rate of nearly 100% against both Escherichia coli and staphylococci was employed as the base material of the deodorizing and antibacterial composite ceramics used in the present invention. Then, one kind of a single-component ceramic, alumina, silica, zinc oxide, titanium, zeolite, serpentine, and amphibolite is mixed with 30 to 75% by weight of magnesia as a base material.
5 to 35% by weight of the alumina, silica, zinc oxide, titanium, zeolite, serpentine, amphibolite, and any one other than the above-mentioned mixture as an additive. By adding and mixing to the substrate at a ratio of 15 to 35% by weight, a composite ceramic having both deodorizing properties and antibacterial properties was obtained.

Hereinafter, a method for producing a composite ceramic having deodorizing properties and antibacterial properties will be described in more detail. The magnesia serving as the base material, and the particle size of the ceramics serving as the admixture and the auxiliary material are preferably 15 μm or less, particularly preferably 10 μm or less. Then, each ceramic has different physical properties such as specific gravity, moisture, humidity and the like, and each of the ceramics as a raw material is a fine powder having a particle size of 15 μm or less. It is not very easy to mix each ceramic uniformly.

Therefore, the present inventors put the base material, the mixture material and the auxiliary material in a predetermined ratio into a mixer, mix and stir the mixture, then put the mixture into a pulverizer and pulverize it. By adopting a means of repeating the process of charging the crushed material again into the mixer, mixing and stirring, and then further charging the crusher and grinding for about 30 minutes, the base material, the mixed material and the auxiliary material are repeated. Was successfully mixed to produce a composite ceramic.

In order to stabilize the chemical properties of the uniformly mixed composite ceramics, the composite ceramics are fired by a firing machine at a firing temperature of 200 to 500 ° C. to obtain a composite having deodorizing properties and antibacterial properties. Ceramics.

Next, alumina, silica, zinc oxide, titanium, zeolite, serpentine, and amphibolite serving as a mixing material and an auxiliary material are added to magnesia as the base material for each single component.
Table 2 shows the results of measuring the deodorization rate and antibacterial rate of the composite ceramics obtained by changing the mixing ratio.

In Table 2, No. 1 to No. In each of the composite ceramics 8 and the mixing ratio, the upper row shows magnesia as a base material, the middle row shows a mixed material, the lower row shows an auxiliary material, and the respective mixing ratios.

[0018]

[Table 2]

From the results in Table 2 above, particularly for magnesia,
Composite ceramics containing titanium, zinc oxide, silica stone, and alumina as admixtures and additives, and composite ceramics containing serpentine and amphibolite as additives, have high deodorization and antibacterial rates. As a result, it was found to be excellent in deodorizing properties and antibacterial properties.

The hydrogen ion concentration of each ceramic as a material of the composite ceramic is in an alkaline state as shown in Table 3.

[0021]

[Table 3]

The hydrogen ion concentration of each of the composite ceramics obtained by compounding each ceramic having a hydrogen ion concentration shown in Table 3 is very stable and strongly alkaline since the composite ceramic is fired at 200 to 500 ° C. as described above. Table 4
As shown in the figure, there is no change with time in the hydrogen ion concentration. Furthermore,
These composite ceramics are crystallized by firing,
It becomes a composite ceramic that generates cations. The reason why the composite ceramic exhibits a strong alkaline property is that impurities are gasified during the sintering process, so that the composite ceramic is more strongly alkaline than a single component ceramic.

[0023]

[Table 4]

From Tables 3 and 4, the composite ceramics obtained by the above-described production method is a composite ceramic having cations, has a hydrogen ion concentration in a strong alkali region, and has a long time of one year or more. It is stable without any change, and has a characteristic that the deodorizing mechanism is a decomposing action. As a result, it can be seen that the composite ceramics obtained by the production method has both antibacterial properties and deodorizing actions.

That is, generally, the surface layer (wall) of a living bacterium is an anion, so that it is in a neutral region (pH 7.0 to 7.0).
Although it is impossible to inhabit only in 5), cations are generated as the greatest characteristic of the composite ceramics obtained by the above-mentioned manufacturing method, so that the surface layer (wall) of the bacterial cells which are anions, At the same time as being destroyed by the cations of the composite ceramics, the bacterial protein is denatured, resulting in dyspnea and death.

Furthermore, the deodorizing effect on hydrogen sulfide and ammonia is not a general effect such as physical adsorption or chemical adsorption, but does not become saturated due to the decomposing effect. It is permanent and has no toxicity.

[0027] (Example 1) composite ceramic obtained by the producing method, A
Adding to a mixed solution of a cryl adhesive and an emulsion, mixing and stirring, and applying the mixed solution to a textile structure such as a woven fabric, a knitted fabric, or a non-woven fabric using a coating machine such as a print printer or a coating tool. Thereby, the composite ceramics is adhered to the fiber structure to form a fiber structure having deodorization and antibacterial properties.

The experimental example of Example 1 is shown in Table 2 in the composite ceramics. 5% by weight of the composite ceramic shown in FIG.
When the acrylic adhesive is cross-linked to become a polymer resistant to hot water and a solvent, and usually has a peel strength, At 30-50 kg or more, a strong fibrous structure that did not peel off even after washing 300 times was obtained.

[0029] Then, the example was applied to the fabric, of the respective mixing proportions, in place of the acrylic adhesive, a material obtained by the error epoxy adhesive with 45 wt% per the example was applied to the fabric, the deodorizing rate and antimicrobial When the ratio was measured, the results shown in Table 5 were obtained. Further, instead of the woven fabric of Table 5, the same ratio as that of Table 5 was applied to the nonwoven fabric, and the deodorization rate and antibacterial rate were measured. As a result, the results shown in Table 6 were obtained. In other words, both A
It was found that the use of the cryl adhesive was superior in deodorization rate and antibacterial rate.

[0030]

[Table 5]

[0031]

[Table 6]

(Example 2) The composite ceramics obtained by the above manufacturing method was added to the mixed solution of the acrylic adhesive and the emulsion described in Example 1 and mixed and stirred. By spraying the fibrous structure such as a knitted fabric or a nonwoven fabric in a mist state using a spraying machine, the composite ceramic is adhered to the fibrous structure to form a fibrous structure having deodorant and antibacterial properties.

An experimental example of Example 2 is shown in Table 2 in the composite ceramics. 3% by weight of the composite ceramic shown in FIG.
The acrylic adhesive is cross-linked to form a hot water, a solvent, and the mixture is mixed and stirred into a mixed solution with the emulsion, and the mixed solution is sprayed on the woven fabric to a thickness of 50 μm or less using a spraying machine. In addition to a strong polymer, a product having a normal peel strength of 30 to 50 kg or more and a strong peeling property even after washing 300 times was obtained.

[0034] Then, the example was applied to the fabric, of the respective mixing proportions, in place of the acrylic adhesive, a material obtained by the error epoxy adhesive with 45 wt% per the example was applied to the fabric, the deodorizing rate and antimicrobial When the ratio was measured, the results shown in Table 7 were obtained. Further, instead of the woven fabric of Table 7, a nonwoven fabric having the same ratio as in Table 7 was applied to the nonwoven fabric, and the deodorization rate and the antibacterial rate were measured. The results shown in Table 8 were obtained. In other words, both A
It was found that the use of the cryl adhesive was superior in deodorization rate and antibacterial rate.

[0035]

[Table 7]

[0036]

[Table 8]

(Example 3) The composite ceramics obtained by the above manufacturing method was added to the mixed solution of the acrylic adhesive and the emulsion described in Example 1 and mixed and stirred, and the woven fabric was added to the mixed solution. By impregnating a fibrous structure such as a knitted fabric or a nonwoven fabric, the composite ceramic is attached to the fibrous structure to form a fibrous structure having deodorant and antibacterial properties.

An experimental example of Example 3 is shown in Table 2 in the composite ceramics. 3% by weight of the composite ceramic shown in No. 1 was added to a mixed solution of 52% by weight of an acrylic adhesive and 45% by weight of an emulsion, mixed and stirred, and the mixed solution was applied to the fabric using a spraying machine. When sprayed so as to have a thickness of 50 μm or less, the acrylic adhesive is cross-linked to form hot water,
It becomes a polymer resistant to solvents and usually has a peel strength of 30.
At 〜50 kg or more, a strong product that did not peel off even after washing 300 times was obtained.

[0039] Then, the example was applied to the fabric, of the respective mixing proportions, in place of the acrylic adhesive, a material obtained by the error epoxy adhesive with 45 wt% per example impregnated into the fabric, the deodorizing rate and antimicrobial When the ratio was measured, the results shown in Table 9 were obtained. In addition, instead of the woven fabric of Table 9, the same ratio as in Table 9 was applied to the nonwoven fabric, and the deodorization rate and antibacterial rate were measured. The results shown in Table 10 were obtained. That is,
It was found that the use of the acrylic adhesive was superior in deodorization rate and antibacterial rate.

[0040]

[Table 9]

[0041]

[Table 10]

As described above, the use of the acrylic adhesive is superior in the deodorizing rate and the antibacterial rate.
By using an acrylic adhesive, because effectively act on deodorizing power and antimicrobial activity is a cation effect of the composite ceramic.

[0043]

Since the invention according to the present invention is as described above, acrylic
Composite ceramics having a coating or spraying or impregnated deodorizing and antibacterial properties to fiber structure with Le adhesive exhibits a strong alkali properties, and no temporal change of the hydrogen ion concentration, by generating cation It has antibacterial properties by killing general bacteria and also has a deodorizing property by decomposing hydrogen sulfide and ammonia, and its antibacterial properties and deodorizing properties have its effects permanently. The sprayed or impregnated fiber structure has both deodorant and antibacterial properties due to the composite ceramics, and is particularly used for sheets, futon covers, cloths, socks and the like in hospitals, and its use is extremely wide.

Claims (3)

(57) [Claims] 1. A magnesia fine powder having a particle size of 15 μm or less is used as a base material, and the base material is composed of 30 to 75% by weight of a single component ceramic, alumina, silica stone or oxide having a particle size of 15 μm or less. One kind of fine powder of zinc, titanium, zeolite, serpentine, or amphibolite is used as a mixture, and the mixture is added to and mixed with the base material at a ratio of 15 to 35% by weight. One of alumina, silica stone, zinc oxide, titanium, zeolite, serpentine, or amphibolite fine powder having a diameter of 15 μm or less, other than the above-mentioned mixture added and mixed, is used as an auxiliary material. To the base material at a ratio of ~ 35% by weight,
It is put into a mixer and a crusher several times sequentially, and the base material and the mixture material and the auxiliary material are mixed, stirred and crushed to be uniformly mixed, and then fired at a firing temperature of 200 to 500 ° C. the composite ceramic obtained by firing the machine, Accession
A fiber structure having deodorizing and antibacterial properties, which is added to a mixed solution of a rill adhesive and an emulsion, mixed and stirred, and the mixed solution is applied to a fiber structure such as a woven fabric, a knitted fabric, or a nonwoven fabric. Stuff. 2. A base material comprising fine magnesia powder having a particle size of 15 μm or less, and the base material is composed of 30 to 75% by weight of a single component ceramic, alumina, silica stone or oxide having a particle size of 15 μm or less. One kind of fine powder of zinc, titanium, zeolite, serpentine, or amphibolite is used as a mixture, and the mixture is added to and mixed with the base material at a ratio of 15 to 35% by weight. One of alumina, silica stone, zinc oxide, titanium, zeolite, serpentine, or amphibolite fine powder having a diameter of 15 μm or less, other than the above-mentioned mixture added and mixed, is used as an auxiliary material. To the base material at a ratio of ~ 35% by weight,
It is put into a mixer and a crusher several times sequentially, and the base material and the mixture material and the auxiliary material are mixed, stirred and crushed to be uniformly mixed, and then fired at a firing temperature of 200 to 500 ° C. the composite ceramic obtained by firing the machine, Accession
Deodorizing and antibacterial fiber structure characterized by spraying the mixed solution into a fiber structure such as a woven fabric, knitted fabric or nonwoven fabric by mixing and stirring into a mixed solution of a rill adhesive and an emulsion. Stuff. 3. A magnesia fine powder having a particle size of 15 μm or less is used as a base material, and the base material is composed of 30 to 75% by weight of a single component ceramic, alumina, silica stone or oxide having a particle size of 15 μm or less. One kind of fine powder of zinc, titanium, zeolite, serpentine, or amphibolite is used as a mixture, and the mixture is added to and mixed with the base material at a ratio of 15 to 35% by weight. One of alumina, silica stone, zinc oxide, titanium, zeolite, serpentine, or amphibolite fine powder having a diameter of 15 μm or less, other than the above-mentioned mixture added and mixed, is used as an auxiliary material. To the base material at a ratio of ~ 35% by weight,
It is put into a mixer and a crusher several times sequentially, and the base material and the mixture material and the auxiliary material are mixed, stirred and crushed to be uniformly mixed, and then fired at a firing temperature of 200 to 500 ° C. the composite ceramic obtained by firing the machine, Accession
A fiber having deodorizing and antibacterial properties, which is added to a mixed solution of a rill adhesive and an emulsion and mixed and stirred to impregnate the mixed solution with a fibrous structure such as a woven fabric, a knitted fabric, or a nonwoven fabric. Structure.