JP6978196B2 - Insect repellent fabric products - Google Patents

Description

The present invention relates to an insect repellent fabric product, and more particularly to a fabric product having an insect repellent function against harmful insects such as mites.

In recent years, the airtightness of houses has increased along with the improvement of the living environment, and the humidity and temperature in the room have become favorable conditions for the breeding of mites. The breeding grounds for mites include the surface, bottom and inside of tatami mats, carpets, carpets, etc. installed on the floor of the room; the surface and inside of bedding such as duvets, blankets, pillows, etc .; and the surface of other sofas, stuffed animals, etc. And the inside and the like. Epidemiological studies to date have shown that indoor mites cause allergic diseases such as bronchial asthma, allergic rhinitis, and atopic dermatitis, as well as bite dermatitis. In addition, they may develop psychological allergic pruritus and other neuroses even though they are not actually bitten by mites.
Among them, recent studies and surveys show that there is a correlation between mites present in bedding and patients with allergic diseases, and the number of seizures in patients with bronchial asthma by removing mites from bedding. Is suggested to decrease.

Therefore, for example, in Patent Document 1, at least a part of bedding such as a duvet and a duvet cover pillow retains 0.01 to 0.2% of a composition containing phenothrin and DEET in a mites repellent property. Bedding is disclosed.
Further, Patent Document 2 includes an insecticidal antibacterial wadding made of polyester kneaded with an insecticidal antibacterial agent and a wadding made of electret fibers containing fine particles of minerals having an electret property, and is provided on the side in contact with the user. A bedding with an insecticidal antibacterial wadding and an electret fiber wadding on the opposite side of the insecticidal antibacterial wadding is disclosed.

Further, in Patent Document 3, the nonwoven fabric is an antibacterial / mite-proof bedding provided between the batting and the surface material, and the nonwoven fabric contains 0.3 to 0.7 wt% of a silver-based antibacterial agent. Disclosed are antibacterial and mite-proof beddings containing 0.2 to 0.5 wt% of a pyrethroid-based mite-proofing agent and made of a polyolefin having a fiber diameter of 10 to 50 μm.

Japanese Unexamined Patent Publication No. 4-224712 Japanese Unexamined Patent Publication No. 9-121996 Registered Utility Model No. 3016141

However, bedding as described in Patent Documents 1 and 2 is not always preferable for the user because it gives the impression that the pest control agent is in direct contact with human skin. Further, according to the technique of Patent Document 3, the drug does not come into direct contact with human skin, but the drug is easily released from the bedding, the efficacy of the drug is inferior in sustainability, and the drug is easily detached by washing. There was a problem that it was inferior in washability.

Therefore, an object of the present invention is to provide an insect repellent fabric product that prevents direct contact between a pest control agent and human skin, and has excellent durability of the effect of the agent and washing resistance. ..

As a result of diligent research, the present inventors have found that the urethane resin is excellent in the adhesive force of the pest control agent, that is, the pest control agent to the substrate, and have completed the present invention.

That is, the present invention is characterized by the following (1) to (2).
(1) An insect control cloth product containing a pest control carrier and a cloth material, wherein the pest control carrier contains a base material, a pest control agent attached to at least a part of the base material, and a urethane resin. A pest control cloth product comprising the above, wherein the cloth material is provided so as to cover a region to which the pest control agent and the urethane resin are attached.
(2) The pest control agent ^{adheres to the base material in the range of 0.001 to 2} g / m 2, and the urethane resin is in the range of 5 to 50,000 parts by mass with respect to 100 parts by mass of the pest control agent. The insect-proof fabric product according to (1) above, which is characterized by being adhered.

According to the insect control cloth product of the present invention, the urethane resin can satisfactorily adhere the pest control agent to the base material, and the pest control agent is attached to the material around the pest control carrier, that is, the cloth material or the like. Can be released slowly. As a result, the effectiveness of the pest control agent is excellent in sustainability, and it is possible to prevent pests from approaching the fabric material itself. Further, since the cloth material covers the adhesion region of the pest control agent and the urethane resin, the direct contact between the pest control agent and the human skin is prevented, and the usability is excellent. Further, since the pest control agent is excellently adhered to the base material, it is also excellent in washing resistance.
From the above, according to the present invention, it is possible to provide an insect-proof fabric product that prevents direct contact between the pest control agent and human skin, and has excellent durability of the effect of the pest control agent and washing resistance. ..

It is sectional drawing for demonstrating one Embodiment of the insect repellent cloth product of this invention. It is a figure for demonstrating the test method of Test Examples 1 and 2. It is a figure for demonstrating the test method of Test Examples 3 and 4.

Hereinafter, the insect repellent fabric product of the present invention will be further described with reference to the drawings.
In this specification, "control" of pests will be described as including the meaning of "pest control".

FIG. 1 is a cross-sectional view for explaining an embodiment of the insect repellent fabric product of the present invention. The insect repellent cloth product 10 of the present invention is configured to include a pest control carrier 1 and a cloth material 5.
In the embodiment shown in FIG. 1, the pest control carrier 1 is in the form of a sheet, and the cloth materials 5 and 5 are arranged on both sides of the pest control carrier 1, respectively. The pest control carrier 1 includes a sheet-shaped base material 2, and a chemical component 3 containing a pest control agent and a urethane resin is attached to both sides of the base material 2. The fabric material 5 arranged on one surface side of the pest control carrier 1 includes a cushion material 6 and a cover cloth 7 constituting the exterior of the insect control fabric product 10, and is provided on the other surface side of the pest control carrier 1. The cloth material 5 to be arranged is composed of the cushion material 6. The fabric materials 5 and 5 cover the region of the drug component 3 attached to the pest control carrier 1.

<Pest control carrier>
The pest control carrier is composed of a base material and a drug component attached to at least a part of the base material.

(Base material)
The base material is not particularly limited as long as it can adhere and hold the drug component, and examples thereof include a fiber base material, a plastic base material, a paper base material, and a rubber material base material. Above all, it is preferable to use a fiber base material from the viewpoints of adhesiveness of chemical components, appropriate release ability of pest control agent, washing resistance, usability and the like. As the base material, one type may be used alone, or two or more types may be used in combination.

Examples of the fiber base material include non-woven fabrics, woven fabrics, knitted fabrics, etc. Among them, non-woven fabrics are used because of their high processability, high coatability on the surface of chemical components, and good breathability. It is more preferable to use a fiber base material.

Examples of the non-woven fabric include air-through non-woven fabric, spunbond non-woven fabric, spunlace non-woven fabric, meltblown non-woven fabric, resin bond non-woven fabric, needle punch non-woven fabric and the like. These non-woven fabrics may be used alone or as a laminated body in which two or more kinds are combined.

As the fiber constituting the non-woven fabric, a fiber made of various thermoplastic resins can be used. Examples of the thermoplastic resin include polyolefins such as polyethylene and polypropylene, polyesters such as polyethylene terephthalate, polyamides such as nylon 6 and nylon 66, polyacrylic acid, polymethacrylic acid alkyl esters, polyvinyl chloride, polyvinylidene chloride and the like. The nonwoven fabric may be made of one kind of resin or may be formed by blending two or more kinds of resins.

When a fiber base material is used, the basis weight of the fiber base material is 8 to 8 because it is excellent in processability to pest cloth products, coatability of chemical components on the surface of the fiber base material, and good breathability. is preferably 250 g / ^{m 2,} more preferably 15~150g / ^{m 2,} more preferably 20 to 70 g / ^{m 2.}

In the embodiment shown in FIG. 1, the base material 2 is in the form of a sheet. Since the base material 2 is in the form of a sheet, the effect of the drug component 3 can be spread over a wide area, and when the insect-proof cloth product of the present invention is, for example, a bedding pad or a pillow cover, the user. It is possible to improve the handleability and usability of the product.

When the base material is in the form of a sheet, the thickness of the base material is preferably 0.01 to 5 mm, more preferably 0.02 to 0.6 mm, still more preferably 0.05 to 0.3 mm. When the thickness of the base material is within the above range, the workability and the coatability of the chemical component on the surface are high, and the air permeability is good, which is preferable.

The base material can be formed in various shapes other than the sheet shape. For example, a spherical shape, a columnar shape, a polygonal shape, or the like can be mentioned, and the size thereof can be appropriately adjusted according to the shape, size, and the like of the insect repellent fabric product.

(Drug component)
In the present invention, the drug component includes a pest control agent and a urethane resin.

A pest control agent is an effective ingredient for controlling, repelling or exterminating pests. Pests to be controlled in the present invention include, for example, termites (Coleoptera), termites (Coleoptera), diptera (Flies), mosquitoes, buoys, abs, and Coleoptera (Coleoptera). Flies, Diptera (Flies), Beets, Membranes (Flies), Termites, Termites (Termites), Semi-Flies (Coleoptera), Flies, Coleoptera, Coleoptera (Coleoptera) Examples include Coleoptera (Coleoptera), Termites, and Diptera (Coleoptera) squid. Above all, in the present invention, when the pest is at least one of the organisms selected from the group consisting of the order Acarina and the order Hemiptera, it is particularly effective for the control thereof.

Pest control agents include, for example, pesticide chrysanthemum extract, natural pyrethrin, praretrin, imiprothrin, phthalthrin, aresulin, bifentrin, resmethrin, phenothrin, ciphenotrin, permethrin, cypermethrin, etofenprox, sifluthrin, deltamesrin, fenvalerate, fenpropatoline. Pirethroid compounds such as Empensulin, Silafluofen, Transfluthrin, Metoflutrin, Profluthrin; Organic phosphorus compounds such as Fenitrothion, Diazinone, Marathon, Pyridafenthion, Prothiophos, Hoxim, Chlorpyriphos, Dichlorvos; Compounds; Oxadiazol compounds such as methoxadiazone; Phenylpyrazole compounds such as fipronil; Symphonamide compounds such as amidoflumeth; Neonicotinoid compounds such as dinotefuran and imidacloprid; Pyrrole compounds such as chlorphenapyl; diethyl oxalate, malon Dimethyl acid, diethyl malonate, dimethyl succinate, diethyl succinate, dipropyl succinate, dibutyl succinate, dimethyl glutarate, diethyl adipate, dipropyl adipate, dibutyl adipate, diethyl sebacate, dipropyl sebacate, dibutyl sebacate , Dibasic acid ester compounds such as dimethyl phthalate, dibutyl phthalate, diamil phthalate, dibutyl maleate, dibutyl fumarate and the like; cationic compounds such as benzalkonium chloride and cetylpyridinium chloride. Only one kind of these pest control agents may be used, or two or more kinds may be used in combination. Among them, pyrethroid compounds are preferable from the viewpoints of adhesion to a substrate, durability of effect, washing resistance and the like.

The pest control agent is preferably adhered in the range of ^{0.001 to 2} g / m 2 per square meter of the base material, ^{more preferably 0.3 to 0.5 g / m 2} , and 0.1 to 0. 4 g / m ² is more preferable. ^{By adhering 0.001 g / m 2} or more to the surface of the base material, the pest control effect can be continuously obtained.

The urethane resin can improve the adhesive force of the pest control agent to the base material, while appropriately releasing the pest control agent and transferring the pest control agent to the cloth material covering the base material. Since the pest control effect can be imparted to the fabric material as well, an effective insect repellent function can be imparted to the insect repellent fabric product.

The urethane resin is not particularly limited as long as it has a urethane bond in the molecule, but in addition to the urethane bond, a polyether urethane resin containing an ether bond in the main chain and a polyester urethane resin containing an ester bond in the main chain. Resins, polycarbonate-based urethane resins containing a carbonate bond in the main chain, and the like can also be used, and these may be either aliphatic or aromatic.

The urethane resin is preferably attached to the substrate in the range of 5 to 50,000 parts by mass, more preferably 200 to 1000 parts by mass, and further in the range of 300 to 700 parts by mass with respect to 100 parts by mass of the pest control agent. preferable. By adhering the urethane resin to the base material in an amount of 5 parts by mass or more with respect to 100 parts by mass of the pest control agent, the adhesion of the pest control agent to the base material can be improved, and the pest control agent can be improved. Can be appropriately fixed to the substrate. Further, if the amount of the urethane resin adhered to the substrate is 50,000 parts by mass or less with respect to 100 parts by mass of the pest control agent, the transfer of the pest control agent to the fabric material is not hindered.

In the present invention, the drug component may include a bactericide, a fragrance, a colorant and the like as components other than the above.
Examples of the disinfectant include phenolic disinfectants such as triclosan and isopropylmethylphenol; carvanilide disinfectants such as trichlorocarbanilide; pyridine disinfectants such as zinc pyrithione; amine disinfectants such as trialkyltriamine; enil. Examples thereof include imidazole-based fungicides such as conazole.
As fragrances, for example, natural fragrances composed of essential oil components such as peppermint oil, peppermint oil, sparemint oil, igusa, hinoki, citronellal, citral, citronellal, lemon, lemongrass, orange, eucalyptus, and lavender; , Undecalactone, limonene, phenethyl alcohol and the like; examples thereof include natural fragrances and compounded fragrances obtained by adjusting these natural fragrances.
Examples of the colorant include carbon black (black), iron black, titanium white, antimony white, chrome yellow, titanium yellow, petal pattern, cadmium red, ultramarine, cobalt blue and other inorganic pigments, quinacridone red, and isoindolinone yellow. , Organic pigments such as phthalocyanine blue, dyes and the like.

The method for adhering the drug component to the substrate is not particularly limited, and examples thereof include methods such as spraying, coating, impregnating, dropping, dipping, gravure printing, and inkjet printing. Specifically, a pest control agent, a urethane resin, and, if desired, other arbitrary components are dissolved or dispersed in a volatile solvent to prepare a drug solution, and the drug solution is treated with the substrate by the above method. can do. By preparing the drug component as a liquid, these attachment methods can be easily applied by a conventional method.

As a printing method for adhering a drug component to a substrate by printing, known methods such as gravure printing, screen printing, photolithography, gravure offset printing, flexographic printing, and inkjet printing can be applied. Further, when the drug component is attached to the base material by impregnation, the base material can be brought into contact with the drug solution for treatment. When the drug component is attached to the substrate by spraying, the drug solution can be filled in a pump-type atomizer or an aerosol-type atomizer, and the drug solution can be sprayed onto the substrate for treatment.
Above all, the treatment by printing is preferable in that the pest control agent and the urethane resin can be uniformly adhered to the surface of the base material.

After the chemical solution is attached to the base material, it is dried by air drying or the like to volatilize the volatile solvent, whereby the pest control agent and the urethane resin can be attached to the surface of the base material. Then, the urethane resin firmly adheres the pest control agent to the surface of the base material.

In the present invention, the volatile solvent is not particularly limited as long as it can dissolve or disperse the above components, and for example, toluene, xylene, methyl alcohol, ethyl alcohol, isopropyl alcohol, hexane, acetone, methyl ethyl ketone, and the like. Examples thereof include ethyl acetate and xylene.

The content of the pest control agent in the chemical solution is not particularly limited, and may be appropriately set in consideration of the time until the solvent volatilizes and disappears, workability, etc., but for example, 0.1 in the chemical solution. It is preferably contained in the range of about 20% by mass, more preferably 1 to 10% by mass. When the content of the pest control agent is in the above range, the workability is good and the pest control agent can be adhered to the ^{surface of the base material in the range of 0.001 to 2 g / m 2.}

In the chemical solution, various powders such as inorganic powders such as silica, calcium silicate and anhydrous silicic acid, and organic powders such as cellulose beads and powdered starch are used as powders for retaining the pest control agent. Can also be used.

In the embodiment shown in FIG. 1, a form in which a drug component is attached to both sides of a base material is exemplified, but the present invention is not limited to the above configuration. The drug component may be attached to at least a part of the base material, and when the base material is in the form of a sheet, it may be attached to only one surface of the base material.

<Fabric material>
In the embodiment shown in FIG. 1, the cloth material 5 arranged on one surface side of the pest control carrier 1 includes a cushion material 6 and a cover cloth 7 constituting the exterior of the insect control cloth product 10 for pest control. The fabric material 5 arranged on the other surface side of the carrier 1 is composed of the cushion material 6. As described above, the form of the cloth material 5 is arbitrary, and it may be configured to include both the cushion material 6 and the cover cloth 7, or to include only one of them. From the viewpoint that the pest control agent released from the pest control carrier 1 can easily stay and the insect control cloth product 10 as a whole can exert the insect control effect, it is preferable to provide the cushion material 6.

(Cushion material)
In the embodiment of the present invention, the cushioning material is used to shape the insect repellent fabric product and to hold the pest control agent transferred from the base material. The cushion material is not particularly limited as long as it is a breathable cloth, and examples thereof include various cloths such as a three-dimensional mesh.

The thickness of the cushion material is not particularly limited as long as it can act on pests without blocking the effect of the pest control agent, and is preferably 1 to 20 mm, more preferably 1 to 5 mm, for example.

(Cover cloth)
The cover cloth is not particularly limited as long as it is a cloth that can form the exterior of the insect repellent cloth product. For example, various fabrics such as woven fabrics, knitted fabrics, laces, and non-woven fabrics on which patterns and characters are drawn and have a design can be mentioned.

The basis weight of the cover cloth, in terms of pest control effect, may be selected to be no weighing to block the effect of the pest control agent, for example, preferably ^{50~1000g / m 2, 100~500g / m} 2 is More preferred.

The cloth material is provided so as to cover the area to which the chemical components (pest control agent and urethane resin) of the base material are attached. By covering the chemical component of the pest control carrier with the cloth material, the pest control agent does not come into direct contact with the human skin, and the user can be relieved.

In the present invention, any material may be installed between the pest control carrier and the fabric material.

The insect repellent fabric product configured as described above can control pests by applying it to a place where pests can propagate, for example, by using it together with bedding or installing it in a drawer of a chest of drawers. In addition, since the pest control agent does not come into direct contact with human skin, it does not cause discomfort to the user.

Hereinafter, the present invention will be further described with reference to Examples and Comparative Examples, but the present invention is not limited to the following examples.

<Test Example 1>
(Example 1)
According to the formulation shown in Table 1, 10 mg of phenothrin and 45 mg of urethane resin were dissolved in acetone to prepare 10 mL of a drug solution.

A polyester spunbonded non-woven fabric (100% polyester) having a basis weight of 30 g / m ² is cut into a size of 10 cm × 10 cm, and the chemical solution is prepared with a total amount of phenotrin attached on both sides of 0.2 g / m ² after drying. The coating was applied so that the total amount of adhesion on both sides was 0.9 g / m ^2. It was then dried overnight at room temperature to volatilize the solvent.
^{A polyester cushion fabric (thickness 3 mm, 100% polyester) with a basis weight of 150 g / m 2} is layered on both sides of the above-mentioned non-woven fabric to which phenotrin and resin are adhered, and further, a basis weight of 200 g is placed on one surface of the polyester cushion fabric. A polyethylene / rayon outer fabric of / m ² was overlaid and allowed to stand for 2 weeks to prepare a fabric sample.

(Comparative Examples 1 and 2)
According to the formulation shown in Table 1, the resin was changed to cyclohexaneformaldehyde resin or acrylic resin to prepare a drug solution.
Using the obtained chemical solution, a fabric sample was prepared in the same manner as in Example 1.

(Control Example 1)
As a control example 1, a cloth sample to which the drug components (phenothrin and resin) were not attached was prepared. Specifically, a polyester spunbonded non-woven fabric (100% polyester) having a basis weight of 30 g / m ² is cut into a size of 10 cm × 10 cm, and a polyester cushion fabric (thickness 3 mm, polyester ^{) having a basis weight of 150 g / m 2 is cut on both sides thereof. 100%) was overlaid, and a polyethylene / rayon outer fabric having a basis weight of 200 g / m 2} was overlaid on one surface of the polyester cushion fabric, and left to stand for 2 weeks to prepare a fabric sample.

(Test method)
The fabric sample prepared above was cut into a circle having a size of φ25 mm. As shown in FIG. 2, a cloth sample is placed in a plastic container (30 ml vial bottle lid, φ25 mm × height 15 mm) with an open top so that the outer cloth faces the upper surface, and the cloth sample is placed on the outer cloth. A 10 mg attractant bait for ticks 27 (“solid feed for experimental animals MF” (trade name) manufactured by Oriental Yeast Co., Ltd.) was placed as test samples 21 to 24.
As shown in FIG. 2, in the center of the petri dish lid 20 having an inner diameter of 93 mm, placed Yakehyou human mite medium 25 of 2g, on which the test specimen 21 with a fabric sample of Example 1, the fabric sample of Comparative Example 1 The test sample 22 using the cloth sample of Comparative Example 2, the test sample 23 using the cloth sample of Comparative Example 2, and the test sample 24 using the cloth sample of Control Example 1 were respectively installed. It should be noted that the mite number of Yakehyou human mite medium 25 is about 60,000 head.
The petri dish lid 20 on which the test samples 21 to 24 were placed was placed in a dark room set at 25 ° C. and left for 24 hours.

After the test, each cloth sample was collected, and the number of mites invading the outer cloth, the upper part of the cushion cloth, the surface of the non-woven fabric, the lower part of the cushion cloth, and the inside of the plastic container was measured.
The test was carried out three times, the average value was calculated, and the ratio (%) of the number of mites to the control example 1 was calculated. The results are shown in Table 2.

From the results in Table 2, it was found that in Example 1 in which the urethane resin was used as the drug component, the number of mites invaded was significantly reduced as compared with Comparative Examples 1 and 2 in which the other resins were used.

<Test Example 2>
(Reference Examples 1 to 3)
A drug solution was prepared according to the formulation shown in Table 3. The drug solutions of Reference Examples 1 to 3 are equivalent to the drug solutions of Example 1 and Comparative Examples 1 and 2 of Test Example 1.

A polyester spunbonded non-woven fabric (100% polyester) having a basis weight of 30 g / m ² is cut into a size of 10 cm × 10 cm, and the chemical solution is prepared with a total amount of phenotrin attached on both sides of 0.2 g / m ² after drying. Printing was performed so that the total amount of adhesion on both sides was 0.9 g / m ^2. The fabric sample was then prepared by drying overnight at room temperature and volatilizing the solvent.

(Control Example 2)
As a control example 2, a cloth sample to which the drug components (phenothrin and resin) were not attached was prepared. Specifically, a cloth sample was obtained by cutting a polyester spunbonded non-woven fabric (100% polyester) having a basis weight of 30 g / m ^{2 into a size of 10 cm × 10 cm.}

(Test method)
The number of ticks invading was measured by the same method as in Test Example 1. The results are shown in Table 4.

From the results in Table 4, it was found that when the pest control agent was exposed on the surface of the fabric sample, the same degree of mites invaded regardless of the type of resin.

From the results of Test Example 1 and Test Example 2, in the insect control cloth product in which the pest control agent adhering to the base material is covered with the cloth material, the pest control effect is obtained by adhering the pest control agent to the base material together with the urethane resin. Was found to be significantly higher.

<Test Example 3>
(Example 2, Comparative Example 3)
A drug solution was prepared according to the formulation shown in Table 5. The drug solutions of Example 2 and Comparative Example 3 are equivalent to the drug solutions of Example 1 and Comparative Example 1 of Test Example 1.
Using the obtained chemical solution, a fabric sample was prepared in the same manner as in Example 1.

(Control Example 3)
As the control example 3, the same fabric sample as the control example 1 of the test example 1 was used.

(Test method)
The fabric sample prepared above was tested in accordance with the method specified in JIS L1920: 2007 (Tick-proof performance test method for textile products, glass tube A method).
As shown in FIG. 3, a glass tube 31 having a diameter of 20 mm with both ends open was prepared, and an adhesive tape 33 was attached to one of them to close the glass tube 31. A 10 mg mite attractant bait 35 was placed in a glass tube 31 and uniformly adhered to the adhesive tape 33. Next, 0.025 g of a tick measuring cotton 36 was packed to a thickness of about 5 ± 1 mm from the end of the glass tube 31. Subsequently, the cloth sample 32 was cut to a diameter of φ20 mm and placed in front of the cotton 36 so that the outer cloth was located on the side of the mite measurement cotton 36.
The same operation was repeated, and three glass tube testers were prepared for each cloth sample.

The glass tube tester was placed in a closed container adjusted to a humidity of 75% RH and allowed to stand horizontally for 8 hours or more. Thereafter, the Yakehyou human mite medium 34 in an amount corresponding to survive mites 10,000 animals placed in a glass tube test vessel, closes the insertion opening of the glass tube 31 at a high density woven fabric 37 and the rubber band 38, sample glass tube Got
The glass tube sample was placed in a closed container adjusted to a humidity of 75% RH, placed horizontally in a dark room set at 25 ° C., and left for 48 hours.

After the test, the adhesive tape 33, the mite attractant bait 35, and the mite measuring wadding 36 were washed by spraying water, and the washing liquid was suction-filtered using a filter paper to collect mites, and the number of surviving mites was measured with a microscope. The repellent rate (%) was calculated using the following formula.
Repellent rate (%) = (number of surviving mites in the control example-number of surviving mites in the example (or comparative example)) / number of surviving mites in the control example × 100
The repellent rate was calculated by summing up the results of three glass tube samples. The results are shown in Table 6.

From the results in Table 6, it was found that Example 2 in which the urethane resin was used as the drug component had an excellent repellent rate as compared with Comparative Example 3 in which the other resins were used.

<Test Example 4>
(Examples 3 to 5)
A drug solution was prepared according to the formulation shown in Table 7. The drug solutions of Examples 3 to 5 are the same as those of Example 1 of Test Example 1.
Using the obtained chemical solution, a fabric sample was prepared in the same manner as in Example 1. The non-woven fabric, cushion fabric and outer fabric were sewn together with a sewing machine.

(Control Example 4)
As the control example 4, the same fabric sample as the control example 1 of the test example 1 was used.

(Test method)
JIS-L-0217, No. The washing operation was performed in accordance with the 104 method. The washing operation was performed 0 times (no washing test was performed), 5 times or 10 times using a net and a neutral detergent.
The fabric sample after the washing operation was tested in accordance with the method specified in JIS L1920: 2007 (Tick-proof performance test method for textile products, glass tube A method) in the same manner as in Test Example 3, and the repellent rate was determined. I asked.
In this test, five glass tube samples were prepared, and the repellent rate was calculated from the average value of the five glass tube samples. The results are shown in Table 8.

From the results in Table 8, the repellent rate was as high as 90% or more not only in Example 3 in which the washing operation was not performed but also in Example 5 in which the washing operation was performed 10 times, and the insect repellent cloth product of the present invention is good. It was found to have excellent washing resistance.

The insect-proof fabric product of the present invention prevents direct contact between the pest control agent and human skin, and is excellent in the durability of the effect of the agent and the washing resistance. Therefore, for example, a carpet, a blanket, and a pillow. It is useful for bedding such as, carpets, carpets, furniture such as sofas, stuffed animals, etc., and is particularly useful for bedding, furniture, etc., which are concerned about the invasion, colonization, and proliferation of ticks.

1 pest control carrier 2 substrate 3 drug component 5 fabrics member 6 cushion material 7 covers the fabric 10 insect woven fabric product 20 Petri dish lid 21-24 test specimens 25 Yakehyou arsenide for mite medium 27 mite bait 31 glass tube 32 fabric sample 33 adhesive tape 34 Yakehyou inhibit mite medium 35 mite for bait 36 mite measuring cotton 37 dense fabric 38 rubber band

Claims (2)

An insect repellent fabric product containing a pest control carrier and a fabric material.
The pest control carrier is composed of a base material, a pest control agent attached to at least a part of the base material, and a urethane resin.
The cloth material is provided so as to cover the area to which the pest control agent and the urethane resin are attached.
An insect repellent fabric product, wherein the fabric material contains at least a cushion material, and the thickness of the cushion material is 1 to 20 mm. The base material is a fiber base material,
The insect repellent fabric product according to claim 1, wherein the fiber base material has a basis weight of 8 to 250 g / m ^2.

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