KR20100006215A - Sterilization composition with resistance to laundering - Google Patents

Abstract

PURPOSE: An antibacterial composition for fiber with improved laundry resistance is provided to improve laundry resistance and maintain fiber to have antibacterial activity for a long time. CONSTITUTION: An antibacterial composition for fiber comprises a polyhexamethylene guanidine salt of chemical formula 1 and a mixture containing binder resin, anionic surfactant, and non-ionic surfactant. In chemical formula 1, X is HCl, HBr, HI, HNO3, acetic acid, dehydracetic acid, propionic acid, gluconic acid, sorbic acid, phosphoric acid, fumaric acid, maleic acid, carbonic acid or epiclroro. R1 is straight or branched alkyl group of 1-20 carbon atoms, phenyl, chlorophenyl, bromophenyl, iodide phenyl, benzyl, chlorobenzyl, bromobenzyl, odine benzyl, phenethyl, naphthyl or hydrogen. The mixture is solution containing 1-40 weight% of binder resin, 0.5-3 weight% of anion surfactant, 0.5-2 weight% of non-ionic surfactant and residual water.

Description

Antibacterial composition for textiles with improved washing resistance {STERILIZATION COMPOSITION WITH RESISTANCE TO LAUNDERING}

The present invention relates to an antimicrobial composition for textiles having improved washing resistance. More specifically, the fiber has an antimicrobial activity, and more particularly, the antimicrobial composition for textiles can improve the washing resistance and maintain the antimicrobial activity for a long time by increasing the fiber adhesion of the antimicrobial agent. It is about.

Generally, antimicrobial agents for textiles are mainly used for products that are in direct contact with the human body or used for hygiene, such as hospital sheets, military uniforms, underwear, socks, scrubbers, dishcloths, etc. When the antimicrobial agent is treated, it may be harmed by the microorganisms. Therefore, there is a need for an antimicrobial agent that can maintain the antimicrobial activity for a long time by improving durability against washing.

Antibacterial agents having a washing resistance function are largely classified into a release type and a fixed type.

Release type antimicrobial agent refers to an antimicrobial agent having a mechanism for slowly releasing the antimicrobial agent and kills the surrounding bacteria, and inorganic, anilide, and amphoteric antimicrobial agents belong to this. Fixed antimicrobial agents may also be called non-release or defensive, which has a mechanism of killing microorganisms when they come into contact with antimicrobial agents while the antimicrobial agents are fixed by adsorption or chemical bonding to the substrate. Representative examples of the fixed type antimicrobial agent include organosilicon quaternary ammonium-based antimicrobial agent.

The release-type antimicrobial agent is gradually lowered due to the continuous release of the antimicrobial agent, thereby reducing the antimicrobial power, which is inadequate for scrubs, dish towels, etc., which are frequently in contact with water. On the other hand, since the fixed antimicrobial treatment agent exhibits antimicrobial activity in a fixed state at the base, the antimicrobial effect may be relatively long in products frequently contacted with water.

However, the glass silicon quaternary ammonium-based antimicrobial agent, which is used as a representative example of the fixed antimicrobial agent, may not have sufficient chemical reaction with the silane group of the antimicrobial agent and the base bonding functional group, which is a solid, which may lower the antimicrobial activity. In addition, when there is no binding functional group on the base, covalent bonds cannot be formed between the base and the antimicrobial agent, but only silanes in the antimicrobial agent react with each other to form a coating film. Therefore, the formed antimicrobial agent coating film forms a coating film on the base only by physical adsorption on the base surface, and thus is easily detached from the first case. Furthermore, since the coating film is produced by a chemical reaction occurring during antibacterial treatment, it is not possible to form a uniform coating film, and the molecular weight of the produced chemical is not high enough to easily detach.

Therefore, there is a need for a novel antimicrobial treatment agent that can improve the washing resistance regardless of the underlying chemical properties and consequently retain the antimicrobial properties for a long time.

In order to solve the problems of the prior art as described above, an object of the present invention is to provide an antimicrobial composition for textiles that can improve the fiber fixability of the antimicrobial treatment agent to improve washing resistance and maintain the antibacterial activity for a long time.

Still another object of the present invention is to provide an antimicrobial fiber having excellent bacterial suppression ability by treating the fiber with an antimicrobial composition for fibers to improve washing resistance.

In order to achieve the above object, the present invention is an antimicrobial agent for fibers comprising a mixture containing (a) a polyhexamethyleneguanidine salt represented by the following formula (1), and (b) a binder resin, an anionic surfactant and a nonionic surfactant To provide a composition.

(In Formula 1, each X is independently HCl, HBr, HI, HNO ₃ , acetic acid, benzoic acid, dehydroacetic acid, propionic acid, gluconic acid, sorbic acid, phosphoric acid, fumaric acid, maleic acid, carbonic acid, or epichlorohydrinic acid) R ₁ is a linear or branched alkyl group having 1 to 20 carbon atoms, phenyl, chlorophenyl, bromophenyl, iodinephenyl, benzyl, chlorobenzyl, bromobenzyl, iobenbenzyl, phenethyl, naphthyl, or hydrogen, n is an integer from 1 to 20)

The present invention also provides an antimicrobial fiber prepared by treating the antimicrobial composition of the above configuration.

Hereinafter, the present invention will be described in more detail.

The present invention is an antimicrobial composition for fibers comprising a polyhexamethyleneguanidine salt and a binder resin, by adding a specific surfactant to the binder resin, not only the fibers have antimicrobial activity but also increase the fiber adhesion of the antimicrobial agent to wash resistance The improved antimicrobial composition and antimicrobial treatment method using the same can maintain the antimicrobial activity for a long time.

Since the antimicrobial composition of the present invention is an antimicrobial agent used in textile products in direct contact with the human body, the toxicity to the human body should be low.

Therefore, the polyhexamethyleneguanidine salt represented by the following Chemical Formula 1 used to satisfy the above purpose is a compound having excellent bactericidal activity against various microorganisms such as bacteria, fungi, algae, heavy metals and volatile organic compounds (VOC; Volatile It does not contain organic compounds and has no skin irritation and is environmentally friendly.

[Formula 1]

(In Formula 1, X, R ₁ and n are as defined above)

In addition, the polyhexamethyleneguanidine salts alone adhere to the fibers, exhibit antibacterial performance, and have some washing resistance. However, due to the characteristics of the industry that requires washing resistance, the level of washing resistance is not satisfactory by the polyhexamethyleneguanidine salt alone, and the present invention improves adhesion by using a binder resin used for fibers to compensate for this point. Washing resistance can be improved by reducing the outflow amount of polyhexamethyleneguanidine salt generated during washing. At this time, the polyhexamethyleneguanidine salt causes problems such as entanglement or precipitation with the acrylic binder due to the cationic property of the polyhexamethyleneguanidine salt. Therefore, there is a need for a stabilization technique for achieving good compatibility between the polyhexamethyleneguanidine salt and the acrylic binder.

Thus, the present inventors solved the problem of precipitation with polyhexamethyleneguanidine salt using a surfactant together with the binder resin.

Therefore, the antimicrobial composition for fibers of this invention is characterized by including the polyhexamethyleneguanidine salt of (a), (b) binder resin, and especially the mixture which added an anionic surfactant and a nonionic surfactant here.

The binder resin may be used as a processing aid for imparting functionality to the fiber, coated with the fiber for use such as wrinkle prevention, tactile improvement, flexibility improvement, and water resistance. The binder resin may be used in the form of an aqueous solution, and the binder resin used in the present invention may include acrylic resin, vinyl chloride resin, urethane resin, vinyl acetate resin, synthetic rubber, and the like, and the characteristics thereof are shown in Table 1 below. .

TABLE 1

Suzy touch durability price Remarks flexibility Shout Thermochromic Light Domestic consumption Content acryl ○ ○ ◎ ◎ ○ ○ △ Strong adhesion urethane ○ ◎ △ X ○ ○ X Excellent wear resistance Vinyl acetate X X ◎ ◎ X △ ◎ High melt adhesion Vinyl chloride X △ △ △ ○ △ ◎ Flame retardant Synthetic rubber ○ ◎ X X ○ △ ◎ - Note) Evaluation degree (優) ◎> ○> △> X (可)

The anionic surfactant used in the present invention serves to emulsify the binder resin, and as the anionic surfactant, an alkylbenzenesulfonate having 1 to 13 carbon atoms, an alkyl sulfate ester salt having 1 to 18 carbon atoms, and an alkyl having 1 to 18 carbon atoms An ether sulfate ester salt, an alpha-olefin sulfonate, a C1-C14 alkyl sulfonate can be used, The alkylbenzene sulfonate is used preferably.

The nonionic surfactant serves to block the binding between the polyhexamethyleneguanidine salt and the binder resin. The nonionic surfactant may be selected from the group consisting of alkylphenol ethoxylates having 1 to 14 carbon atoms, polyoxyethylene alkylphenol ethers having 1 to 16 carbon atoms, and fatty acid alkanolamides.

The mixture of (b) comprises 1 to 40% by weight of binder resin, 0.5 to 3% by weight of anionic surfactant, 0.5 to 2% by weight of nonionic surfactant and the balance of water based on the total of binder resin and each surfactant It is preferable that it is an aqueous solution to make.

At this time, if the content of the anionic surfactant exceeds 3% by weight, there is a problem of discoloration, if less than 0.5% by weight there is a problem of incompatibility. In addition, when the content of the non-ionic surfactant exceeds 2% by weight, there is a problem of layer separation, and less than 0.5% by weight is incompatible.

In addition, in the present invention, the chemical compatibility of the mixture of the polyhexamethyleneguanidine salt of (a) and (b) should be good, and the mixture of (b) should be used in a range in which antimicrobial activity is not reduced at an appropriate magnification. Should be. Therefore, in the antimicrobial composition of the present invention, the amount of the polyhexamethyleneguanidine salt represented by the general formula (1) of (a) and the mixture of (b) is used in a weight ratio of 50 to 99: 1 to 50, more preferably. Is preferably included in a weight ratio of 40-80: 20-60. At this time, when the weight ratio of the mixture of (b) to the polyhexamethyleneguanidine salt of (a) is excessively high, the touch may be degraded and discoloration may occur. In particular, the antimicrobial coating film may be affected by the binder resin to reduce the antibacterial performance. Can be. In addition, if the weight ratio of the mixture of (b) is too low, the coating of the fiber is poor, and the adhesion of the polyhexamethyleneguanidine salt is not strong, so it may be difficult to maintain long-term antimicrobial properties. In this case, the mixture of polyhexamethyleneguanidine and (b) of (a) is a mixture of aqueous solutions, considering only the component ratio of each content except water, the mixing ratio of (a) and (b) in the antimicrobial composition is 12.5 to 24.8: It may be included in a weight ratio of 1 to 25.

The manufacturing method of the antimicrobial composition of this invention is not specifically limited, It can manufacture by mixing the mixture of the polyhexamethylene guanidine salt of (a), and (b). In this case, the polyhexamethyleneguanidine salt may also be diluted in water at a concentration of 0.75 to 1.75%. That is, the polyhexamethyleneguanidine salt of (a) can use the aqueous solution of 1-25 weight% of solid content. Preferably, the polyhexamethyleneguanidine salt of (a) may use an aqueous solution having a solid content of 25% by weight. In addition, the mixture of (b) may use an aqueous solution containing 40% by weight of the binder resin, 1% by weight of the anionic surfactant and 1% by weight of the nonionic surfactant, and the remaining amount of water.

Such an antimicrobial composition of the present invention includes a fungicide composition as a fixed antimicrobial agent, and has excellent antimicrobial activity against various bacteria. Examples of the bacteria include Enterobacter aerogens, Escherichia coli, Micrococcus luteus, Pseudomonas aeruginosa, Klebsiella pneumoniae, Stara It may be one or more selected from the group consisting of Staphylococcus epidermis, Staphylococcus aureus, and Bacillus subtilis.

In addition, the antimicrobial composition of the present invention has at least 50 washing resistance and at least 50 antimicrobial effects on cotton fibers, dyed cotton fibers or polyester fibers.

Therefore, the present invention can provide an antimicrobial fiber through the antimicrobial treatment method of the fiber, immersing the antimicrobial composition in the fiber and adjusting the pickup rate and passing through the mangle.

In the antimicrobial treatment method of the fiber, the antimicrobial composition may be diluted with water and used, for example, the concentration may be 1 to 10%. In addition, the fiber which passed the mangle can be dried and used by a conventional method. The fibers may comprise cotton fibers, dyed cotton fibers or polyester fibers. In addition, the antimicrobial fiber product produced by the method of the present invention may comprise 1 to 100,000 ppm of the antimicrobial composition.

Hereinafter, the present invention will be described in more detail with reference to Examples. The following examples are intended to illustrate the present invention more specifically, but the scope of the present invention is not limited by these examples.

Example  1, 2 and Comparative example  1, 2: of (a) With polyhexamethyleneguanidine salt  Evaluation of the compatibility of the mixture of (b)

Surfactant and auxiliary agent were added to the acrylic binder resin to confirm compatibility with the polyhexamethyleneguanidine salt. In other words, a polyhexamethyleneguanidine salt of (a) (aqueous solution having a solid content of 25% by weight) and an aqueous solution containing an anionic surfactant and a nonionic surfactant in a 40% acrylic resin, which is a mixture of (b), with a weight ratio of 70:30 After dilution with and stored for 24 hours, compatibility was observed . The compatibility evaluation results are shown in Table 2 below.

TABLE 2

division Content of each component (wt%) of binder and surfactant Compatibility result Acrylic resin Surfactant 1 Surfactant 2 Example 1 40 One 2 good Example 2 40 One One good Comparative Example 1 40 0.5 0.5 Precipitation occurrence Comparative Example 2 40 0 0 Precipitation occurrence * Surfactant 1: Anionic surfactant, sodium dodecylbenzenesulfonate * Surfactant 2: Nonionic surfactant, nonylphenol ethoxylate

In the above results, in Comparative Example 1, the amount of the surfactant was not sufficient, so that precipitation occurred. As in Comparative Example 2, the compatibility of the acrylic resin 40% by weight aqueous solution and the polyhexamethyleneguanidine salt was poor due to precipitation. However, precipitation did not occur in the aqueous solutions of Examples 1 and 2 using 1 wt% or more of Surfactant 1 and Surfactant 2.

(Indoor On cotton fiber  About Laundry resistance  evaluation)

As the polyhexamethyleneguanidine salt of (a) used in this experiment, an aqueous solution diluted to 25% was used, and the mixture of (b) was 40% by weight of an acrylic acid resin solid (acrylic resin Coacam) as in Example 2. , An aqueous solution containing 1% by weight of alkylbenzenesulfonate and 1% by weight of nonylphenolethoxylate was used. Dilution ratio is shown as weight ratio.

Example  3

The weight ratio of the polyhexamethyleneguanidine salt of (a) and the mixture of (b) was mixed at 50:50, diluted to 3% in water, and the cotton fiber was sufficiently immersed in the diluent, followed by a pickup rate according to Equation 1 below. The mixture was dried at room temperature by passing through Mangle at 80%.

[Equation 1]

Example  4

The weight ratio of the polyhexamethyleneguanidine salt of (a) and the mixture of (b) was mixed at 50:50, diluted in water at a concentration of 3%, and the cotton fiber was sufficiently immersed in the diluted solution, and then the pickup rate according to Equation 1 Mangle was passed through 80% condition and dried at 100 ° C. for 15 minutes.

Example  5

The weight ratio of the polyhexamethyleneguanidine salt of (a) and the mixture of (b) was mixed at 70:30, diluted to 3% in water, and the cotton fiber was sufficiently immersed in the diluted solution, and then the pickup rate according to Equation (1). The mixture was dried at room temperature through a mangle at 80% condition.

Example  6

The weight ratio of the polyhexamethyleneguanidine salt of (a) and the mixture of (b) was mixed at 70:30, diluted to 3% in water, and the cotton fiber was sufficiently immersed in the diluted solution, and then the pickup rate according to Equation (1). Through mangled at 80% condition, dried at 100 ℃ for 15 minutes.

Example  7

The weight ratio of the polyhexamethyleneguanidine salt of (a) and the mixture of (b) was mixed at 90:10 to dilute to a concentration of 3% in water, and the cotton fiber was sufficiently immersed in the diluent, followed by a pickup rate according to Equation (1). The mixture was dried at room temperature through a mangle at 80% condition.

Example  8

The weight ratio of the polyhexamethyleneguanidine salt of (a) and the mixture of (b) was mixed at 90:10 to dilute to a concentration of 3% in water, and the cotton fiber was sufficiently immersed in the diluent, followed by a pickup rate according to Equation (1). The mixture was passed through mangles at 80% condition and dried at 100 ° C. for 15 minutes.

Comparative example  3

Cotton fibers were immersed in distilled water and passed under conditions of 80% pickup rate and dried at 100 ° C. for 15 minutes.

Comparative example  4

Arch guanidine-based PHMB (trade name: REPUTEX20), which is known to have excellent washing resistance with respect to cotton fibers, was immersed in cotton fibers at a concentration of 3% and dried at room temperature by passing through mangles at a pickup rate of 80%.

Comparative example  5

Arch's guanidine-based PHMB (trade name: REPUTEX20), which is known to have excellent washing resistance with respect to cotton fibers, was immersed in cotton fibers at a concentration of 3% and dried at 100 ° C. for 15 minutes after passing through mangles at a pickup rate of 80%.

(Property evaluation)

The antibacterial test was performed after washing the cotton fibers of Examples 3-8 and Comparative Examples 3-5 treated with antimicrobial agents. The washing method was KS M 2704 powder soap and AATCC (American Asssociation for KS K 0465 method). Washing was performed using a Kenmore automatic washer and dryer specified in Textile Chemists and Colorists. One washing, two rinsing, and one drying were based on one washing resistance.

The antibacterial test was performed on the finished fiber, and the antimicrobial test method was a mixed strain against Klebsiella pneumoniae and Staphylococcus aureus according to KS K0693. Proceeded. The initial inoculation concentration was inoculated at 10 ⁵ CFU / ml, and it was recognized that the experiment was established when 10 ⁶ CFU / ml or more was detected in the antimicrobial agent-free group. The bacteriostatic reduction rate was superior to the antimicrobial effect as the bacterium concentration between the control group 18hr and the test group 18hr increased by more than 10 ³ CFU / ml.

[Equation 2]

Table 3 shows the results of the evaluation of the Examples and Comparative Examples.

TABLE 3

Mixed Bacterial Concentration (CFU / ml) 0 times of washing 10 times of washing 20 times of washing 30 times of washing Comparative Example 3 Bacteria 10 ⁶ 10 ⁶ 10 ⁶ 10 ⁷ Bacteriostatic rate - - - - Comparative Example 4 Bacteria <10 <10 10 ² 10 ² Bacteriostatic rate 99.9% 99.9% 99.9% 99.9% Comparative Example 5 Bacteria <10 <10 <10 10 ² Bacteriostatic rate 99.9% 99.9% 99.9% 99.9% Example 3 Bacteria <10 <10 10 ⁴ 10 ⁶ Bacteriostatic rate 99.9% 99.9% 99.0% 90% Example 4 Bacteria <10 <10 10 ⁵ 10 ⁶ Bacteriostatic rate 99.9% 99.9% 90.0% 90% Example 5 Bacteria <10 <10 <10 10 ⁵ Bacteriostatic rate 99.9% 99.9% 99.9% 90.0% Example 6 Bacteria <10 <10 <10 <10 Bacteriostatic rate 99.9% 99.9% 99.9% 99.9% Example 7 Bacteria <10 10 ⁴ 10 ⁴ 10 ⁶ Bacteriostatic rate 99.9% 99.0% 99.0% 90.0% Example 8 Bacteria <10 10 ³ 10 ⁴ 10 ⁶ Bacteriostatic rate 99.9% 99.9% 99.0% 90.0% Note) [Initial inoculation bacterium concentration: 10 ⁵ CFU / ml]

In the results of Table 3, all samples before the washing with antimicrobial agents except Comparative Example 3 (control) showed excellent antimicrobial performance, but in the case of Comparative Examples 4 and 5, the antimicrobial performance (bacterial rate) is gradually We can see that we weaken. On the other hand, in the case of Example 4-8 it can be seen that the washing resistance is very excellent, especially in the fiber of Example 6 shows a high antibacterial rate of 99.9% even after washing up to 30 times. This suggests that the weight ratio and drying temperature of the polyhexamethyleneguanidine salt and the binder resin can affect the sticking property of the fibers.

Example  9 to Example  11: Antimicrobial evaluation on treated fiber using mass production equipment

Example of the present experiment comprises an antimicrobial composition comprising a mixture of (a) polyhexamethyleneguanidine salt (aqueous solid content of 25% by weight) and (b) as in Example 2 in a weight ratio of dilution ratio of 70:30 Experiments were applied to the fibers in actual production equipment.

Example  9

The weight ratio of the polyhexamethyleneguanidine salt of (a) and the mixture of (b) was mixed to 70:30, diluted to 3% in the process water, and the pick-up rate was padded to the mass production facility for the white cotton fiber. 80%, a conveyor 10 yd / Min at a rate of 160 ℃ / 2 minutes to dry to prepare an antibacterial cotton fiber.

Example  10

Using the same antimicrobial composition as in Example 9, the antimicrobial fibers were prepared by the same padding treatment method on the cotton fibers dyed.

Example  11

Using the same antimicrobial composition as in Example 9, antimicrobial fibers were prepared with the same padding treatment for polyester fibers (PET fibers).

Comparative example  6

Arch guanidine-based PHMB (trade name: REPUTEX20) was diluted to 3% concentration in the white cotton wool and padded under the same conditions as in Example 6 to prepare an antibacterial fiber.

Comparative example  7

Arch guanidine-based PHMB (trade name: REPUTEX20) was diluted to 3% concentration in dyed cotton fiber and padded under the same conditions as in Example 6 to prepare an antibacterial fiber.

Comparative example  8

Arch guanidine-based PHMB (trade name: REPUTEX20) was diluted to 3% concentration in polyester fiber (PET fiber) and padded under the same conditions as in Example 6 to prepare an antibacterial fiber.

The same washing and antimicrobial test methods as described above were performed on the antimicrobial fibers of Examples 9 to 11 and Comparative Examples 6 to 8 applied in a mass production facility, and the results are shown in Table 4. In addition, the results of washing 40 to 70 times are shown in Table 5. As a control, the same type of fiber was padded with water and used for the test.

TABLE 4

Mixed Bacterial Concentration (CFU / ml) 0 times of washing 10 times of washing 20 times of washing 30 times of washing Control (cotton fiber) Bacteria 10 ⁶ 10 ⁶ 10 ⁶ 10 ⁶ Bacteriostatic rate - - - - Comparative Example 6 Bacteria <10 <10 <10 <10 Bacteriostatic rate 99.9% 99.9% 99.9% 99.9% Example 9 Bacteria <10 <10 <10 <10 Bacteriostatic rate 99.9% 99.9% 99.9% 99.9% Control (dyed fiber) Bacteria 10 ⁶ 10 ⁶ 10 ⁶ 10 ⁶ Bacteriostatic rate - - - - Comparative Example 7 Bacteria <10 <10 <10 <10 Bacteriostatic rate 99.9% 99.9% 99.9% 99.9% Example 10 Bacteria <10 <10 <10 <10 Bacteriostatic rate 99.9% 99.9% 99.9% 99.9% Control (PET Fiber) Bacteria 10 ⁶ 10 ⁶ 10 ⁶ 10 ⁶ Bacteriostatic rate - - - - Comparative Example 8 Bacteria <10 <10 <10 <10 Bacteriostatic rate 99.9% 99.9% 99.9% 99.9% Example 11 Bacteria <10 <10 <10 <10 Bacteriostatic rate 99.9% 99.9% 99.9% 99.9%

TABLE 5

Mixed Bacterial Concentration (CFU / ml) 40 washes 50 times of washing 60 times of washing 70 times of washing Control (cotton fiber) Bacteria 10 ⁶ 10 ⁶ 10 ⁶ 10 ⁶ Bacteriostatic rate - - - - Comparative Example 6 Bacteria <10 <10 <10 10 ⁴ Bacteriostatic rate 99.9% 99.9% 99.9% 99.0% Example 9 Bacteria <10 <10 <10 10 ² Bacteriostatic rate 99.9% 99.9% 99.9% 99.9% Control (dyed fiber) Bacteria 10 ⁶ 10 ⁶ 10 ⁶ 10 ⁶ Bacteriostatic rate - - - - Comparative Example 7 Bacteria <10 10 ² 10 ⁶ 10 ⁶ Bacteriostatic rate 99.9% 99.9% - - Example 10 Bacteria <10 <10 10 ² 10 ⁵ Bacteriostatic rate 99.9% 99.9% 99.9% 90.0% Control (PET Fiber) Bacteria 10 ⁶ 10 ⁶ 10 ⁶ 10 ⁶ Bacteriostatic rate - - - - Comparative Example 8 Bacteria 10 ⁵ 10 ⁴ 10 ⁴ 10 ⁶ Bacteriostatic rate 90.0% - - - Example 11 Bacteria <10 10 ³ 10 ⁴ 10 ⁶ Bacteriostatic rate 99.9% 99.9% 99.0% -

Based on the results of Tables 4 and 5, it can be seen that the washing resistance is more improved compared to Table 3, which is an antimicrobial fiber processed through a laboratory apparatus indoors. In addition, with respect to the cotton fiber, Comparative Example 6 showed the washing resistance up to 60 times, Example 9 showed the result of washing resistance up to 70 times or more. It can be seen that both the dyed fiber and the PET fiber showed superior antibacterial efficacy of washing resistance superior to the comparative example.

Claims (10)

(a) a polyhexamethyleneguanidine salt represented by the following formula (1), and (b) mixtures containing binder resins, anionic surfactants and nonionic surfactants Antimicrobial composition for fibers comprising a. [Formula 1]

(In Formula 1, each X is independently HCl, HBr, HI, HNO ₃ , acetic acid, benzoic acid, dehydroacetic acid, propionic acid, gluconic acid, sorbic acid, phosphoric acid, fumaric acid, maleic acid, carbonic acid, or epichlorohydrinic acid) R ₁ is a straight or branched chain alkyl group having 1 to 20 carbon atoms, phenyl, chlorophenyl, bromophenyl, iodinephenyl, benzyl, chlorobenzyl, bromobenzyl, iobenzyl, phenethyl, naphthyl, or hydrogen, n is an integer from 1 to 20) The antimicrobial composition for fibers according to claim 1, wherein the polyhexamethyleneguanidine of (a) and the mixture of (b) are contained in a weight ratio of 50 to 99: 1 to 50. The method according to claim 1, wherein the polyhexamethyleneguanidine of (a) is an aqueous solution of 1 to 25% by weight of solid content, the mixture of (b) is 1 to 40% by weight of binder resin, 0.5 to 3% by weight of anionic surfactant, Nonionic surfactant is an aqueous solution containing 0.5 to 2% by weight and the balance of water, the antimicrobial composition for fibers. According to claim 1, wherein the binder resin is selected from the group consisting of acrylic resins, urethane resins, vinyl acetate, vinyl chloride and synthetic rubber, antimicrobial composition for fibers. The method of claim 1, wherein the anionic surfactant is an alkylbenzenesulfonate having 1 to 13 carbon atoms, an alkyl sulfate ester salt having 1 to 18 carbon atoms, an alkyl ether sulfate ester salt having 1 to 18 carbon atoms, an alpha-olefin sulfonate or 1 carbon atom. It is selected from the group consisting of alkyl sulfonates of 14 to 14, the antimicrobial composition for fibers. The fiber according to claim 1, wherein the nonionic surfactant is selected from the group consisting of alkylphenol ethoxylates having 1 to 14 carbon atoms, polyoxyethylene alkylphenol ethers having 1 to 16 carbon atoms, and fatty acid alkanolamides. Antimicrobial composition. The antimicrobial composition of claim 1, wherein the antimicrobial composition has at least 50 washing resistances and at least 50 antimicrobial effects on cotton fibers, dyed cotton fibers or polyester fibers. The method of claim 1, wherein the antimicrobial composition comprises Enterobacter aerogens, Escherichia coli, Micrococcus luteus, Pseudomonas aeruginosa, Klebsiella pneumoniae Klebsiella pneumoniae), Staphylococcus epidermis, Staphylococcus aureus, and Bacillus subtilis, one or more bacteria selected from the group consisting of antibacterial activity It will have, antimicrobial composition for fibers. An antimicrobial fiber prepared by treating the antimicrobial composition according to any one of claims 1 to 8. The antimicrobial fiber of claim 9 wherein the fiber comprises cotton fiber, dyed cotton fiber or polyester fiber.