CN116782765A

CN116782765A - Acarid catching product and acarid catching method

Info

Publication number: CN116782765A
Application number: CN202280010177.2A
Authority: CN
Inventors: 片山南美; 三石帆波; 猪口佳浩; 引土知幸; 川尻由美; 中山幸治
Original assignee: Dainihon Jochugiku Co Ltd
Current assignee: Dainihon Jochugiku Co Ltd
Priority date: 2021-04-14
Filing date: 2022-03-28
Publication date: 2023-09-19
Also published as: JPWO2022220093A1; TWI823317B; AU2022257726A1; TW202243593A; KR20230118633A; WO2022220093A1

Abstract

The invention provides a mite capturing product which has excellent attracting effect and can reliably and safely capture and expel the attracted mites. Comprises a fiber structure (10) having fluff and an adhesive body (20) for adhering mites. The elongation of the fibers constituting the fiber structure (10) is 10% or less. The fiber structure (10) is a woven or knitted fabric having a yarn density of 10 to 100 yarns/10 cm, and comprises at least bast fibers and/or seed hair fibers. An attractant (30) is provided between the fibrous structure (10) and the adhesive body (20), and at least a part of the fibrous structure (10) is covered with a breathable sheet (40) having no fluff.

Description

Acarid catching product and acarid catching method

Technical Field

The present invention relates to a mite-capturing article for capturing mites hidden in a house, and a mite-capturing method.

Background

In the living environment in which the air tightness has been increased in recent years, the easy propagation of mites has become a problem. Since mites are a major cause of atopic dermatitis, asthma, allergic diseases, and the like, means and methods for reliably and safely repelling mites are desired from the viewpoint of general citizens.

Methods for repelling mites include methods using pesticides, repellents, and other agents. However, this method does not actively reduce the number of mites, so there is a problem of dead bodies of mites remaining. In addition, people who are sensitive to chemical agents are concerned about the influence of the chemical agents, and therefore means or methods for expelling mites simply without using the chemical agents as much as possible are being sought.

Therefore, products (mite sheets) of a type that attract and trap mites are being developed (for example, refer to patent document 1) instead of killing or repelling mites when repelling mites. The acarid patch of patent document 1 is formed by disposing an attractant on an adhesive and sandwiching the attractant between ventilation layers from the top to bottom. According to patent document 1, mites are attracted by an attractant located inside the two ventilation layers, and then adhered to an adhesive, thereby being trapped to the mite sheet.

Prior art literature

[ patent literature ]

[ patent document 1]

Japanese patent laid-open No. 2009-89610

Disclosure of Invention

Problems to be solved by the invention

Of the above-mentioned products of the type which attract and trap mites, it is extremely important that the attracting effect of mites is excellent. If the attracting effect of the mites is insufficient, even if the mites approach the capturing product, the mites may not be reliably attracted to the adhesive and captured. On the other hand, if the attracting effect of the mites is dependent on the attractant alone, the attracting effect of the mites is greatly reduced when the efficacy of the attractant is reduced by long-term use or the like.

In this regard, in the acarid sheet of patent document 1, in order to capture acarids with an adhesive, it is necessary for the acarids to pass through the air permeable layer. In this way, there is a concern that the attracting effect of the mites by the attractant may be reduced depending on the material and characteristics of the air-permeable layer. Further, since the acarid patch of patent document 1 requires an attractant, when the effect of the attractant disappears, there is a possibility that the acarid cannot be attracted even to the vicinity of the acarid patch.

As described above, in the conventional products of the type that attract and capture mites, including the acarid tablets of patent document 1, it cannot be said that the attracting effect of mites is necessarily sufficient, and there is room for improvement.

The present invention has been made in view of the above-described problems, and an object thereof is to provide a mite-capturing product which has an excellent attracting effect on mites, can reliably and safely capture the attracted mites, and can expel the mites, and also to provide a mite-capturing method.

Means for solving the problems

The acarid trapping product according to the present invention for solving the above-mentioned problems is characterized by comprising:

fiber structure with fluff

An adhesive body for adhering mites.

Although most mites are hidden in fiber products such as clothing, tatami, and carpets, the present inventors have found that mites are attracted specifically to fiber structures having fluff, and have succeeded in developing novel mite-capturing products utilizing this specific phenomenon. That is, according to the mite-capturing product of the present configuration, first, mites are attracted to the fiber structure having the fluff, and the attracted mites are adhered to the adhesive body while staying or wandering in the fiber structure, whereby the mite-capturing product excellent in capturing performance can be provided. Then, the mites captured by the mite capturing product can be removed only by directly discarding the mite capturing product. The acarid trapping product of the present invention is not used with a chemical agent such as an insecticide or a repellent, and therefore can be used with ease even by people who are sensitive to the chemical agent.

In the acarid trapping articles according to the present invention,

the elongation of the fibers constituting the fiber structure is preferably 10% or less.

According to the acarid trapping product of the present constitution, by making the elongation of the fibers constituting the fiber structure 10% or less, it is possible to provide a acarid trapping product having more excellent trapping performance in which more acarids are attracted by the fiber structure.

In the acarid trapping articles according to the present invention,

the fiber structure is preferably a woven or knitted fabric having a yarn density of 10 to 100 yarns/10 cm.

According to the mite-capturing product of the present constitution, by using a woven or knitted fabric having a yarn density of 10 to 100 pieces/10 cm as the fiber structure, a mite-capturing product having more excellent capturing performance can be provided in which more mites are attracted to the fiber structure.

In the acarid trapping articles according to the present invention,

the fiber structure preferably contains at least bast fibers and/or seed hair fibers.

According to the mite-capturing product of the present constitution, by making the fiber structure contain at least bast fibers and/or seed hair fibers, a mite-capturing product having more excellent capturing performance can be provided in which more mites are attracted to the fiber structure.

In the acarid trapping articles according to the present invention,

preferably, an attractant is provided between the fiber structure and the adhesive.

According to the mite-capturing product of the present configuration, by providing the attractant between the fiber structure and the adhesive body, the fiber structure having an attracting effect on mites and the attractant have a synergistic effect, and thus a mite-capturing product having more excellent capturing performance can be provided.

In the acarid trapping articles according to the present invention,

preferably, at least a part of the fibrous structure is covered with a breathable sheet having no fluff.

According to the acarid trapping product of the present constitution, at least a part of the fibrous structure is covered with the breathable sheet having no fluff, so that acarids easily intrude into the product. Further, since the fluff of the fiber structure is not exposed to the outer surface of the product, the fiber structure can be easily inserted even in a small gap, and the fiber structure can be easily discarded after use, thereby providing a mite-capturing product excellent in use.

In the acarid trapping articles according to the present invention,

preferably, the thickness of the fiber structure is a (mm), and the weight per unit area of the fiber structure is b (g/m) ² ) When the following formula (1) is satisfied:

0.1≤(a ² /b)×100≤1.0……(1)。

according to the mite-capturing product of the present constitution, by satisfying the above formula (1), a mite-capturing product having more excellent capturing performance can be provided in which more mites are attracted to the fiber structure.

In the acarid trapping articles according to the present invention,

preferably does not contain an insecticide and/or repellent.

According to the mite-capturing product of the present invention, since the insecticide and/or repellent are not contained, basically, the attracting effect of mites is not greatly reduced, and even a person who is sensitive to a chemical agent can use the product with ease.

The acarid trapping product according to the present invention for solving the above problems is characterized by attracting and trapping acarids in a region having an intrusion radius of 1m or less.

According to the mite-capturing article of the present invention, an excellent mite-capturing article capable of reliably capturing mites approaching the article can be provided.

In the acarid trapping articles according to the present invention,

preferably attracting and capturing mites within 24 hours.

According to the mite-capturing article of the present constitution, an excellent mite-capturing article which can capture mites approaching the article in a short time can be provided.

The method for capturing mites according to the present invention for solving the above problems is characterized in that any of the above-mentioned mite-capturing products is provided at or near a place where mites inhabit to thereby attract and capture mites.

According to the method for capturing mites of the present invention, the use of the product for capturing mites of the present invention provides a method for capturing mites which is excellent in attracting effect, can reliably and safely capture the attracted mites, and can expel them.

Brief description of the drawings

Fig. 1 is a schematic cross-sectional view of a mite-capturing article according to a first embodiment of the present invention.

Fig. 2 is an enlarged image of a fiber structure.

Fig. 3 is a schematic cross-sectional view of a mite-capturing article according to a second embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view of a mite-capturing article according to a third embodiment of the present invention.

FIG. 5 is a diagram illustrating a test method of a capture distance test.

Detailed Description

Hereinafter, embodiments of the acarid trapping product and the acarid trapping method according to the present invention will be described in detail with reference to the accompanying drawings. In each of the drawings, the respective components of the acarid trapping product are not exactly reproduced in terms of actual shape, size, positional relationship, dimensional relationship of the thicknesses of the respective layers, scale, and the like, but are appropriately exaggerated or simplified for ease of description. The present invention is not limited to the configurations described in the embodiments described below or the drawings.

< first embodiment >, first embodiment

[ acarid trapping articles ]

Fig. 1 is a schematic cross-sectional view of a acarid capture article 100 according to a first embodiment of the present invention. The acarid trapping article 100 is formed by laminating a fibrous structure 10 and an adhesive body 20. In fig. 1, although 2 fibrous structures 10 are laminated on both sides of the adhesive body 20, the mite-capturing product 100 may be configured such that only 1 fibrous structure 10 is laminated on one side of the adhesive body 20. Although fig. 1 illustrates a structure in which only one layer of the fibrous structure 10 is laminated on one side of the adhesive body 20, the mite-capturing product 100 may be a structure in which two or more layers of the fibrous structure 10 are laminated on one side of the adhesive body 20.

The mite-capturing article 100 is used for attracting and capturing mites and is provided at or near a place where mites inhabit. In the mite-capturing article 100, the fiber structure 10 attracts mites by itself, holds mites inside and immobilizes them. The mite-capturing article 100 can further be configured such that the fiber structure 10 is laminated on the adhesive body 20, and thereby the mites attracted to the fiber structure 10 are brought into contact with the adhesive body 20, and the mites are fixed to the surface thereof and captured. The mite-capturing product 100 is preferably in a sheet form because it is laid under bedding, tatami, carpets, etc. which are places where mites inhabit, or is used by being inserted into a gap between a seat surface and a backrest of a sofa or the like. The shape of the acarid trapping product 100 in a plan view is not particularly limited, and may be square, polygonal, circular, elliptical, or the like, and if it is, the shape is preferable because the handling is easy.

In this way, the acarid trapping product 100 can attract acarids by the fiber structure 10, and thus can be configured as a product that does not contain an insecticide and/or a repellent. Therefore, basically, the attracting effect of mites is not greatly reduced. In addition, since the insecticide and/or repellent are not contained, even a person who is sensitive to a chemical agent can be used with ease.

The fiber structure 10 is a woven or knitted fabric having naps. The weave of the woven fabric and the knitted fabric is not particularly limited, but is preferably a plain weave. The acarid trapping product 100 is a product that uses a phenomenon in which acarids are attracted specifically to a fibrous structure 10 having fluff, and effectively attracts acarids to the fibrous structure 10, and causes the attracted acarids to stay in the fibrous structure 10 or to wander in the fibrous structure 10.

The elongation of the yarn constituting the fiber structure 10 is preferably 10% or less, more preferably 1 to 5%, and even more preferably 1 to 3%. The elongation is measured according to the JIS method of "JIS L1095 general spinning test method", specifically, the elongation (cm) at the time of cutting a sample is divided by the original length (cm) of the sample and expressed as a percentage (%) by applying a load to the yarn as the sample using a tensile tester. When the elongation of the yarn constituting the fiber structure 10 is 10% or less, a greater number of mites attracted to the fiber structure 10 and a more excellent capturing performance of the mites can be provided. The detailed mechanism by which the attracting and fixing effects of mites are excellent by using the fiber structure 10 made of yarns having an elongation of 10% or less is not clear, but it is expected that the elongation of yarns constituting the fiber structure 10 is related to the preference of mites.

The fiber raw material constituting the yarn of the fiber structure 10 is preferably a natural fiber of a plant nature, and more preferably contains bast fibers and/or seed hair fibers. Examples of bast fibers include Jute (route), flax (Linen), ramie (Ramie), hemp (Hemp), kenaf (Kenaf), and the like. Yarns made of bast fibers have fluff, so that mites are highly attractive and suitable for use, and among them, jute and ramie having extremely high attractiveness are more preferably used, and jute is further preferably used. Examples of the seed wool fiber include cotton and kapok. In the case of using a yarn composed of seed wool fibers, a carded yarn is preferably used because appropriate fluff is generated in the fiber structure 10. The elongation of yarn made of these bast fibers and seed hair fibers is 10% or less.

Fig. 2 is an enlarged image of the fiber structure 10. Regarding the fiber structure 10, it is preferable that the yarns constituting the fiber structure 10 are woven so as to have intervals that can pass through mites. The fiber structure 10 is preferably a woven or knitted fabric, and the yarn density thereof is preferably 10 to 100 yarns/10 cm, more preferably 15 to 60 yarns/10 cm, and even more preferably 30 to 50 yarns/10 cm. Here, the term "yarn density" means: when the fibrous structure 10 is a woven fabric, the number of warp or weft yarns comprised by a woven fabric 10cm wide; when the fiber structure 10 is a knitted fabric, the knitted fabric is 10cm wide and includes a number of courses or wales. If the yarn density of the fiber structure 10 is within the above range, as in the image of fig. 2, fluff 12 is properly present between the yarns 11 constituting the fiber structure 10, and more mites can be attracted. The distance between the yarns constituting the fiber structure 10 is preferably 0.05 to 15mm, more preferably 0.3 to 10mm, and even more preferably 0.5 to 5mm, as long as the yarns have air permeability and pass through mites. If the intervals between the yarns constituting the fiber structure 10 are within the above-described range, fluff is properly present between the yarns constituting the fiber structure 10, and more mites can be attracted.

The thickness of the fibrous structure 10 is preferably 0.2 to 5mm, more preferably 0.4 to 3mm, and even more preferably 0.5 to 1.5mm. When the thickness of the fiber structure 10 is within the above range, the attracted mites tend to stay in the fiber structure 10, and the capturing performance becomes more excellent. The thickness of the fiber structure 10 refers to the thickness of the fiber structure 10 itself, but when the fiber structure 10 is a single-layer woven or knitted fabric, the thickness of the yarn constituting the fiber structure 10 can be regarded as the thickness of the fiber structure 10.

The weight per unit area of the fiber structure 10 is preferably 10 to 1500g/m ² More preferably 20 to 1000g/m ² More preferably100～700g/m ² Most preferably 200 to 600g/m ² . When the weight per unit area of the fiber structure 10 is within the above range, the attracted mites tend to stay in the fiber structure 10, and the capturing performance becomes more excellent.

Next, the present inventors found that: the attracting and capturing performance against mites can be evaluated by a novel specific parameter obtained from the thickness and the weight per unit area of the fiber structure 10. Specifically, the thickness of the fiber structure 10 is a (mm), and the weight per unit area of the fiber structure 10 is b (g/m) ² ) In this case, the following formula (1) is preferably satisfied:

0.1≤(a ² /b)×100≤1.0……(1)

more preferably, the following formula (2) is satisfied:

0.2≤(a ² /b)×100≤0.7……(2)。

when the fiber structure 10 satisfies the above formula, the fibers in the fiber structure 10 are moderately dense, and more mites are attracted to the fiber structure, resulting in more excellent capturing performance.

The fiber structure 10 may be soft-processed for texture adjustment, or may be colored in a color that is easy to attract mites or a color that does not catch eyes when installed in a room, as long as the function of attracting mites is not affected.

The adhesive body 20 is obtained by forming an adhesive layer 22 on a sheet-like base material 21, and adhering mites contacting the adhesive layer 22. The adhesive layer 22 is preferably formed on both sides of the base material 21, but may be formed on only one side. When the adhesive layer 22 is formed on both sides of the substrate 21, the chance of mites contacting the adhesive layer 22 increases, and capturing performance can be improved. When the adhesive layer 22 is formed on only one side of the substrate 21, the operability of the acarid trapping article 100 can be improved.

The base material 21 preferably has both moderate stiffness and softness so that the acarid catching product 100 can be easily inserted into a minute gap, and for example, thick paper, corrugated paper or other paper, PE, PP, PET, PVC or other resin sheets, metal sheets or the like can be used. The thickness of the base material 21 is preferably 0.02 to 3mm. When the thickness of the base material 21 is within the above range, a product having appropriate stiffness and flexibility, which is easy to be inserted into a minute gap, is obtained.

The adhesive layer 22 is formed by adhering a double-sided tape to the base material 21 or by applying an adhesive to the base material 21. As the adhesive, for example, a general-purpose adhesive such as a rubber-based adhesive, an acrylic-based adhesive, a hot melt-based adhesive, and a silicone-based adhesive can be used. Examples of the rubber-based adhesive include natural rubber-based adhesives, styrene-butadiene rubber-based adhesives, reclaimed rubber-based adhesives, polyisobutylene-butene rubber-based adhesives, polybutene-based adhesives, and block copolymer-based adhesives. These binders may be used alone or in combination.

[ attraction Capture Performance ]

The mite-capturing article 100 preferably attracts and captures mites that invade an area within a radius of 1 m. Here, "attracting and capturing" includes not only a state in which the attracted mites are adhered to the surface of the adherend 20, but also a state in which the attracted mites remain inside the mite capturing product 100, particularly in the fiber structure 10. By attracting and trapping mites entering an area within a radius of 1m, mites approaching the mite trapping article 100 can be reliably trapped and repelled.

Although the mite-capturing article 100 also varies depending on the breeding situation and the installation place of the mites, the mites approaching the mite-capturing article 100 can be attracted and captured within 24 hours. The 24 hour period has been very short for the purpose of capturing mites, and the mite-capturing article 100 has utility.

The acarid trapping article 100 is capable of attracting and trapping acarids for at least more than 20 days, and 90 days. 20 days is practical as a period of continuous capturing of mites, but can continue capturing and repelling mites for a longer period of time. For example, the acarid-capturing article 100 can be designed to be capable of capturing acarids for 90 days by selection of attractants, types of binders, and the like.

In the thus-constituted mite-capturing product 100, by providing the fiber structure 10 having the fluff and the adhesive body 20 for adhering the mites, first, the mites are attracted to the fiber structure 10 having the fluff, and the attracted mites are adhered to the adhesive body 20 while staying in the fiber structure 10 or wandering in the fiber structure 10, whereby the product having excellent capturing performance is obtained. Then, the mites captured by the mite-capturing product 100 can be removed only by directly discarding the mite-capturing product 100. Since the mite-capturing product 100 does not use a chemical such as an insecticide or a repellent, it can be used with ease even by people who are sensitive to the chemical.

< second embodiment >

[ acarid trapping articles ]

Fig. 3 is a schematic cross-sectional view of a acarid capture article 200 according to a second embodiment of the present invention. The mite-capturing article 200 has the same configuration as the mite-capturing article 100 described in the first embodiment except that the attractant 30 is provided between the fiber structure 10 and the adhesive body 20. The acarid trapping product 200 is provided with the attractant 30, whereby a product having further excellent trapping performance is obtained by utilizing the synergistic effect of the fibrous structure 10 having an attracting effect on acarids and the attractant 30.

The attractant 30 may have an effect of attracting mites, and for example, may be used: an attractant contains pulverized powder of food ingredients such as animal, plant, and yeast, extract, and perfume ingredient with acarid attracting effect. The attractant 30 may be made: the food product may be obtained by pulverizing a powdery or granular food product, solidifying the same, storing the pulverized food product in a bag such as a nonwoven fabric having air permeability, or adsorbing the extract on various holders. For example, although fig. 3 illustrates the attractant 30 as a solid tablet disposed between the fiber structure 10 and the binder 20, the attractant 30 may be added by dispersing or dripping the liquid extract on the binder 20, or by kneading, adsorbing, impregnating, or the like the fiber structure 10. In the adhesive body 20, when the adhesive is applied to the base material 21 to form the adhesive layer 22, the attractant 30 may be directly applied to the base material 21 together with the adhesive.

< third embodiment >

[ acarid trapping articles ]

Fig. 4 is a schematic cross-sectional view of a acarid capture article 300 according to a third embodiment of the present invention. The acarid trapping article 300 has the same structure as the acarid trapping article 200 described in the second embodiment except that the fibrous structure 10 is covered with the breathable sheet 40.

The breathable sheet 40 is a sheet having holes of a size that can pass through mites. The breathable sheet 40 preferably has no fluff. Although the detailed mechanism is not clear, when at least a part of the fibrous structure 10 having fluff is covered with the breathable sheet 40 having no fluff, the attractiveness to mites is further improved, and mites easily intrude into the product, so that the capturing performance of the mite capturing product 300 is further excellent. The material of the breathable sheet 40 is not particularly limited as long as it is not a material that repels mites, and for example, it is possible to use: a net or nonwoven fabric made of a resin such as polyethylene, polyester, or nylon, a woven or knitted fabric knitted with chemical fibers, or a woven or knitted fabric knitted with natural fibers. Examples of the natural fibers used for the breathable sheet 40 include animal fibers such as wool and silk, and wool-like fibers. In the case of using the seed fiber for the breathable sheet 40, combed yarn is preferably used for suppressing fluff. Among these, the breathable sheet 40 is preferably a resin net or nonwoven fabric made of polyethylene, polyester, nylon, or the like, or a woven or knitted fabric knitted with chemical fibers, more preferably a resin net or nonwoven fabric made of polyethylene, polyester, nylon, or the like, and most preferably a resin net made of polyethylene, polyester, nylon, or the like.

The breathable sheet 40 is configured to cover at least a part of the fibrous structure 10, and is configured as a bag body enclosing the fibrous structure 10 and the adhesive body 20, for example. The mite-capturing article 300 is further improved in attractiveness to mites by providing the breathable sheet 40. Further, since the fluff of the fiber structure 10 is not exposed to the outer surface of the product, the acarid catching product 300 is easily inserted into a minute gap (for example, under a blanket which cannot be rolled up at all, between bedclothes in a closet, a gap between a backrest and a seat surface of a sofa, or the like), and the irritation to the fingers of a user is reduced at the time of installation or during disposal after use, thereby providing a product excellent in use.

< method for capturing acarids >)

In the method for capturing mites according to the present invention, the mites are captured by attracting the mites by disposing the above-mentioned mite-capturing products 100 to 300 at or near the place where the mites inhabit. According to the method for capturing mites of the present invention, since the product for capturing mites 100 to 300 of the present invention is used, a method for capturing mites which is excellent in attracting effect, can reliably and safely capture the attracted mites, and can be used for expelling mites can be provided.

Examples

The mite-capturing products (examples 1 to 16) having the characteristic configuration of the present invention were prepared, and the mite-capturing test and the measurement of elongation were performed. For comparison, mite-capturing products (comparative examples 1 to 7) having no characteristic constitution of the present invention were prepared, and the same test and measurement were performed.

Example 1

A rubber-based hot melt adhesive was applied to both sides of a PET resin sheet having a thickness of 0.05mm to prepare an adhesive body. The woven fabric was laminated on both sides of the bonded body to form a fibrous structure, to obtain a mite-trapping article of example 1 formed of 3 layers. The woven fabric used in the fiber structure is a woven fabric obtained by forming jute yarn into a plain weave so that the yarn density becomes 28 to 38 yarns/10 cm, and has a thickness of 0.86mm and a weight per unit area of 128g/m ² 。

Example 2

As the fiber structure, a jute yarn having a thickness of 1.11mm and a weight per unit area of 600g/m, which is obtained by forming a plain weave so that the yarn density becomes 45 to 48 pieces/10 cm, was used ² Is a woven fabric of (a). Except for this, the procedure of example 1 was repeated to obtain a mite-capturing product of example 2.

Example 3

In relation to the fibrous structure body,the jute yarn was used in a plain weave so that the yarn density became 43 to 47 pieces/10 cm, the thickness was 0.86mm, and the weight per unit area was 255g/m ² Is a woven fabric of (a). Except for this, the procedure of example 1 was repeated to obtain a mite-capturing product of example 3.

Example 4

As the fiber structure, a jute yarn having a thickness of 0.61mm and a weight per unit area of 227g/m, which is obtained by forming a plain weave so that the yarn density becomes 35 to 38 pieces/10 cm, was used ² Is a woven fabric of (a). Except for this, the procedure of example 1 was repeated to obtain a mite-capturing product of example 4.

Example 5

As the fiber structure, a jute yarn having a thickness of 0.9mm and a weight per unit area of 215g/m, which is obtained by forming a plain weave so that the yarn density becomes 31 to 38 pieces/10 cm, was used ² Is a woven fabric of (a). Except for this, the same procedure as in example 1 was carried out to obtain a mite-capturing product of example 5.

Example 6

As the fiber structure, a yarn having a thickness of 2.64mm and a weight per unit area of 946g/m, which was obtained by forming jute yarn in a plain weave so that the yarn density became 19 to 22 pieces/10 cm, was used ² Is a woven fabric of (a). Except for this, the procedure of example 1 was repeated to obtain a mite-capturing product of example 6.

Example 7

As the fiber structure, a yarn having a thickness of 0.75mm and a weight per unit area of 113g/m, which is obtained by forming a jute yarn in a plain weave so that the yarn density becomes 19 to 22 pieces/10 cm, was used ² Is a woven fabric of (a). Except for this, the procedure of example 1 was repeated to obtain a mite-capturing product of example 7.

Example 8

As the fiber structure, a jute yarn having a thickness of 0.75mm and a weight per unit area of 72g/m, which is obtained by forming a plain weave so that the yarn density becomes 10 to 12 pieces/10 cm, was used ² Is a woven fabric of (a). Except for this, the procedure of example 1 was repeated to obtain a mite-capturing product of example 8.

Example 9

As the fiber structure, a fiber structure having a thickness of 0.36mm and a weight per unit area of 26g/m, which is obtained by forming a plain weave of Hemp (Hemp) yarn so that the yarn density becomes 19 to 22 pieces/10 cm, was used ² Is a woven fabric of (a). Except for this, the procedure of example 1 was repeated to obtain a mite-capturing product of example 9.

Example 10

As the fiber structure, there was used a fiber structure having a thickness of 0.59mm and a weight per unit area of 118g/m, which was obtained by forming a plain weave of Ramie (Ramie) yarn so that the yarn density became 19 to 22 pieces/10 cm ² Is a woven fabric of (a). Except for this, the same procedure as in example 1 was carried out to obtain a mite-trapping product of example 10.

Example 11

As the fiber structure, a fiber structure having a thickness of 0.57mm and a weight per unit area of 89g/m, which is obtained by forming a plain weave of flax (Linen) yarn so that the yarn density becomes 19 to 22 yarns/10 cm, was used ² Is a woven fabric of (a). Except for this, the procedure of example 1 was repeated to obtain a mite-capturing product of example 11.

Example 12

As the fiber structure, a fiber structure having a thickness of 0.75mm and a weight per unit area of 131g/m, which is obtained by forming Kenaf (Kenaf) yarns in a plain weave so that the yarn density becomes 19 to 22 pieces/10 cm, was used ² Is a woven fabric of (a). Except for this, the procedure of example 1 was repeated to obtain a mite-capturing product of example 12.

Example 13

A rubber-based hot melt adhesive was applied to both sides of a PET resin sheet having a thickness of 0.05mm to prepare an adhesive body. The woven fabric was laminated on both sides of the bonded body to obtain a fiber structure, and a laminate of 3 layers was obtained. The woven fabric used in the fiber structure is woven fabric obtained by forming jute yarn into plain weave so that yarn density becomes 43-47 pieces/10 cm, and has a thickness of 0.86mm and a weight per unit area of 255g/m ² . The laminate was sealed in a bag formed of a polyethylene net (breathable sheet), whereby a acarid trapping article of example 13 formed of 5 layers was obtained. Polyethylene netThe mesh spacing was 1mm, the thickness was 0.03mm, and the weight per unit area was 67g/m ² Polyethylene net of (c). The polyethylene net does not have fluff, and when 10cm line segments are provided on the polyethylene net, the number of fibers intersecting the line segments is 95 to 110.

Example 14

A rubber-based hot melt adhesive was applied to both sides of a PET resin sheet having a thickness of 0.05mm to prepare an adhesive body. The woven fabric was laminated on both sides of the bonded body to obtain a fiber structure, and a laminate of 3 layers was obtained. The woven fabric used in the fiber structure is woven fabric obtained by forming jute yarn into plain weave so that yarn density becomes 35-38 pieces/10 cm, and has a thickness of 0.61mm and a weight per unit area of 227g/m ² . The laminate was sealed in a bag made of polyethylene mesh (breathable sheet), thereby obtaining a acarid trapping product of example 14 formed of 5 layers. For the production of polyethylene net, a net with a mesh spacing of 1mm, a thickness of 0.03mm and a weight per unit area of 67g/m was used ² Polyethylene net of (c). The polyethylene net does not have fluff, and when 10cm line segments are provided on the polyethylene net, the number of fibers intersecting the line segments is 95 to 110.

Example 15

As the fiber structure, a cotton carded yarn having a thickness of 0.2mm and a weight per unit area of 31g/m, which was obtained by forming a plain weave so that the yarn density became 19 to 22 pieces/10 cm, was used ² Is a woven fabric of (a). Except for this, the procedure of example 1 was repeated to obtain a mite-capturing product of example 15.

Example 16

As the fiber structure, a fiber structure having a thickness of 1.11mm and a weight per unit area of 311g/m, which is obtained by forming a plain weave of a carded cotton yarn having a yarn density of 19 to 22 yarns/10 cm, was used ² Is a woven fabric of (a). Except for this, the procedure of example 1 was repeated to obtain a mite-capturing product of example 16.

Comparative example 1

As the fiber structure, a fiber structure having a thickness of 0.67mm and a weight per unit area, which is obtained by forming a plain weave of a wool yarn so that the yarn density becomes 19 to 22 yarns/10 cm, was usedIn an amount of 189g/m ² Is a woven fabric of (a). Except for this, the same procedure as in example 1 was conducted to obtain a mite-capturing product of comparative example 1.

Comparative example 2

As the fiber structure, a nylon yarn having 60 counts, a thickness of 0.03mm and a weight per unit area of 16g/m, which was obtained by forming a plain weave so that the yarn density became 19 to 22 yarns/10 cm, was used ² Is a woven fabric of (a). Except for this, a mite-trapped product of comparative example 2 was obtained in the same manner as in example 1.

Comparative example 3

As the fiber structure, a fiber structure having a thickness of 0.04mm and a weight per unit area of 22g/m was used, which was obtained by forming a plain weave of 50 count polyester yarn so that the yarn density became 19 to 22 pieces/10 cm ² Is a woven fabric of (a). Except for this, a mite-trapped product of comparative example 3 was obtained in the same manner as in example 1.

Comparative example 4

As the fiber structure, a yarn having a thickness of 0.44mm and a weight per unit area of 375g/m, which was obtained by forming a plain weave of acrylic fiber yarn so that the yarn density became 19 to 22 pieces/10 cm, was used ² Is a woven fabric of (a). Except for this, a mite-trapped product of comparative example 4 was obtained in the same manner as in example 1.

Comparative example 5

A rubber-based hot melt adhesive was applied to both sides of a PET resin sheet having a thickness of 0.05mm to prepare an adhesive body. Polyurethane sponge having a thickness of 6mm was laminated on both sides of the adherend to obtain a mite trap article of comparative example 5 formed of 3 layers.

Comparative example 6

A rubber-based hot melt adhesive was applied to both sides of a PET resin sheet having a thickness of 0.05mm, and polyethylene webs were laminated to both sides of the obtained adhesive to obtain a fibrous structure, thereby obtaining a acarid-catching product of comparative example 6 formed of 3 layers. For the production of polyethylene net, a net with a mesh spacing of 1mm, a thickness of 0.03mm and a weight per unit area of 67g/m was used ² Polyethylene net of (c). The polyethylene net has no fluff, and when 10cm line segments are arranged on the polyethylene net, the number of fibers crossing the line segments is95-110 strips.

Comparative example 7

A rubber-based hot melt adhesive was applied to both sides of a PET resin sheet having a thickness of 0.05mm to prepare an adhesive body. The woven fabric was laminated on both sides of the bonded body to obtain a fiber structure, and a laminate of 3 layers was obtained. The woven fabric used in the fiber structure is woven fabric obtained by forming a plain weave of wool yarns so that the yarn density becomes 19 to 22 yarns/10 cm, and has a thickness of 0.67mm and a weight per unit area of 189g/m ² . The laminate was sealed in a bag made of polyethylene mesh (breathable sheet), whereby a acarid trapping product of comparative example 7 formed of 5 layers was obtained. For the production of polyethylene net, a net with a mesh spacing of 1mm, a thickness of 0.03mm and a weight per unit area of 67g/m was used ² Polyethylene net of (c). The polyethylene net does not have fluff, and when 10cm line segments are provided on the polyethylene net, the number of fibers intersecting the line segments is 95 to 110.

(1) Acarid Capture assay

The mite-capturing products of examples 1 to 16 and the mite-capturing products of comparative examples 1 to 7 were each cut into a size of 3cm×3cm and placed in the center of a glass shallow chassis (height: 1.5 cm) having a diameter of 4.5cm as a test piece. A shallow chassis having a diameter of 4.5cm was placed in the center of a glass shallow chassis having a diameter of 9cm (height of 2 cm), and about 10000 house dust mites were placed in the inside of the glass shallow chassis having a diameter of 9cm, and the glass shallow chassis was allowed to stand in a dark place at a room temperature of 25℃and a humidity of 80%. After 24 hours, mites adhering to the adherend of the test piece were counted as a capturing number. The test was repeated 3 times for the mite-capturing products of examples 1 to 16 and the mite-capturing products of comparative examples 1 to 7, respectively, and the average value of the capturing numbers was calculated. As a control, the adhesive body alone used for the production of the mite-capturing product of example 1 was cut out to a size of 3cm×3cm and placed in the center of a glass shallow chassis having a diameter of 4.5cm, and the same test as the mite-capturing products of examples and comparative examples was performed to count the number of mites adhering to the adhesive body. The number of captures obtained by the mite-capturing products of examples 1 to 16 and the mite-capturing products of comparative examples 1 to 7 was divided by the number of captures of the control, and the obtained values were calculated as capture ratios.

(2) Elongation percentage

Regarding the acarid trapping articles of examples 1 to 16 and the acarid trapping articles of comparative examples 1 to 4 and 7, the elongation (%) was measured by the JIS method of "JIS L1095 general spinning test method" by collecting yarns from woven fabrics constituting the fiber structures.

Details, test results, and measurement results of the acarid-catching products of examples 1 to 16 and comparative examples 1 to 7 are shown in Table 1.

TABLE 1

The results of the acarid capture test are as follows: the mite-capturing products of examples 1 to 16, in which the woven fabric having fluff was used for the fiber structure, were each confirmed to have a larger capturing ratio and an excellent attracting and fixing effect on mites, as compared with the mite-capturing products of comparative examples 1 to 7, in which the raw material having no fluff was used for the fiber structure. Among them, the mite-trapping products of examples 1 to 7 and 10, which used bast fibers, particularly jute or ramie, as the fiber material of the fiber structure, were larger in trapping ratio than those of examples 15 and 16, which used cotton or kapok as the seed wool fiber. The acarid trapping product of example 8 using jute having a low yarn density and a low weight per unit area was more excellent in trapping ratio than example 16 using kapok. It is therefore considered that: by using jute or ramie as the fiber material of the fiber structure, a more excellent attracting and fixing effect against mites can be obtained.

In the acarid trapping products of examples 1 to 16, the fibrous structure having a thickness a and a weight b per unit area (a ² The parameter obtained by the method of (b) x 100 is 0.13-0.78. It is therefore considered that: when a woven fabric having naps is used as the fiber structure, the above-mentioned parameters are set to be in the range of approximately 0.1 to 1.0, whereby the attracting and fixing effects against mites are excellent.

The greater the weight per unit area, the greater the capture ratio of the acarid-capturing products of examples 1 to 5, 7 and 8, in which jute was used as the fibrous material of the fibrous structure. However, although jute was used as the fibrous material of the fibrous structure, the weight per unit area of the fibrous structure was 946g/m ² The acarid trapping article of example 6 of (2) had a weight per unit area of 600g/m as compared to the fibrous structure ² The acarid trapping article of example 2 of (2) was smaller in trapping. It is therefore considered that: when jute is used as the fibrous material of the fibrous structure, the weight per unit area of the fibrous structure is 72 to 600g/m ² In the range of (2), the greater the weight per unit area of the fibrous structure, the more excellent the attracting and fixing effect against mites becomes.

The mite-capturing products of examples 13 and 14 were obtained by enclosing the mite-capturing products of examples 3 and 4 in bags formed of polyethylene webs (breathable sheets), respectively, and the polyethylene webs used for the breathable sheets were polyethylene webs used alone as fiber structures in the mite-capturing products of comparative example 6. In this case, it is confirmed that: the capturing ratios of the mite-capturing products of examples 13 and 14 were 162.2 and 160.6, respectively, and the capturing performance was improved as compared with the total of 143.2 of the capturing ratio 138.4 of the mite-capturing product of example 3 and the capturing ratio 4.8 of the mite-capturing product of comparative example 6, or the total of 125.8 of the capturing ratio 121 of the mite-capturing product of example 4 and the capturing ratio 4.8 of the mite-capturing product of comparative example 6. On the other hand, in comparative example 7 in which the acarid trapping product of comparative example 1 in which the fiber material was wool was enclosed in a bag body formed of a polyethylene net (breathable sheet), the effect of improving the trapping performance was not confirmed. From these results it can be considered that: by covering the fiber structure having the nap with the air-permeable sheet having no nap, not only the attraction fixing effect by the fiber structure and the air-permeable sheet, respectively, but also a certain synergistic effect is obtained although the detailed mechanism is not clear, and the attraction fixing effect on mites is improved.

A product (example 17) for capturing mites having the characteristic constitution of the present invention and a product (comparative example 8) in which an adhesive body was enclosed in a bag were prepared, and a capturing distance test was performed.

Example 17

A rubber-based hot melt adhesive was applied to both sides of a thick paper having a thickness of 2mm and a size of 90mm×105mm to prepare an adhesive body. A laminate of 3 layers was obtained by disposing a kneading-cured tablet (diameter: 15 mm. Times.thickness: 3 mm) containing animal and vegetable food components on one side of a bonded body, and further laminating woven fabrics having dimensions of 100 mm. Times.115 mm on both sides of the bonded body to obtain a fibrous structure. The woven fabric used in the fiber structure is woven fabric obtained by forming jute yarn into plain weave so that yarn density becomes 43-47 pieces/10 cm, and has a thickness of 0.86mm and a weight per unit area of 255g/m ² . The laminate was sealed in a bag made of polyethylene net having a size of 120mm×150mm, whereby a mite-trapping article of example 17 formed of 5 layers was obtained. For the production of polyethylene net, a net with a mesh spacing of 1mm, a thickness of 0.03mm and a weight per unit area of 67g/m was used ² Polyethylene net of (c). The polyethylene net does not have fluff, and when 10cm line segments are provided on the polyethylene net, the number of fibers intersecting the line segments is 95 to 110.

Comparative example 8

The adhesive body used in example 17 was sealed in a bag body formed of a polyethylene net used in example 17, to obtain a product of comparative example 8. That is, the product of comparative example 8 was a product obtained by mixing and solidifying a tablet and a fibrous structure without using food ingredients containing animal and plant materials, relative to the acarid-catching product of example 17.

(3) Capture distance test

Fig. 5 is a diagram illustrating a test method of the capture distance test. An unused 50cm X100 cm polyester sheet X of 1/4 of the size of a conventional mattress (100X 200 cm) was laid on a wooden board and fixed. Grooves are dug in the wooden board at the portion W corresponding to the outer periphery of the sheet X, and water is injected for preventing escape of mites or mixing of other mites. Here, as shown in fig. 5, a corner a, a corner B, and a short-side center C are set on the sheet X. The distance D1 from the corner B to the corner A is about 110cm, and the distance D2 from the corner B to the short-side center C is about 25cm. The acarid trapping product Y of example 17 was set at the corner A of the sheet X and the center C of the short side of the sheet X, and about 1000 house mites were placed at the corner B of the sheet X together with the medium. 3 such boards were prepared and set to a dark condition of 25℃and 75% RH, and after 24 hours and after 20 days, mites adhering to the adherend of the mite-capturing article Y were counted. The same capture distance test was also performed for the product of comparative example 8.

As a result of the capturing distance test, the number of mites captured after 24 hours was 252 to 334 in the mite-capturing product Y of example 17 provided in the center part C of the short side. In contrast, the number of mites trapped in the product of comparative example 8 under the same conditions was 0. The number of mites trapped in the mite-trapping product Y of example 17 provided in the corner a after 20 days was 37 to 76. In contrast, the number of mites trapped in the product of comparative example 8 under the same conditions was 0. From these results, it can be confirmed that: the mite-capturing article Y of example 17 can lure and capture mites which invade into an area of at least 1m or less. Since the distance D1 corresponds to a distance from four corners of a typical mattress to a center portion where diagonal lines intersect, it is considered that the mite-capturing product Y of example 17 is provided near the center of the mattress in actual use, and thus can effectively attract and capture mites living on the mattress and repel them. Further, since the distance D2 corresponds to a distance from the end of a typical mattress to the end of a pillow, it is considered that the mites living in the pillow can be trapped and repelled by disposing the mite trapping product Y of example 17 on the pillow side within 24 hours. Further, it is of course considered that: even if the mite-capturing article Y is placed on the shoulder or the foot side, it is possible to sufficiently effectively attract and capture mites and repel them.

Industrial applicability

The acarid trapping article and the acarid trapping method of the present invention can be used for the purpose of repelling acarids hidden in a house.

Description of the reference numerals

10: fiber structure

12: fluff fiber

20: adhesive body

30: attractant

40: breathable sheet

100: acarid trapping article

200: acarid trapping article

300: acarid trapping article

Claims

1. A acarid trapping article, comprising:

fiber structure with fluff

An adhesive body for adhering mites.

2. The acarid trapping article according to claim 1, wherein the elongation of the fibers constituting the fiber structure is 10% or less.

3. A mite capture article according to claim 1 or 2, wherein the fibrous structure is a woven or knitted fabric having a yarn density of 10 yarns/10 cm to 100 yarns/10 cm.

4. A mite capture article according to any one of claims 1-3, wherein the fibrous structure comprises at least bast fibers and/or seed hair fibers.

5. A mite capture article according to any one of claims 1-4, wherein an attractant is disposed between the fibrous structure and the adherent.

6. A mite capture article according to any one of claims 1 to 5 wherein at least a portion of the fibrous structure is covered with a breathable sheet having no fluff.

7. The acarid trapping article according to any one of claims 1 to 6, wherein when a thickness of the fiber structure is a and a weight per unit area of the fiber structure is b, the following formula (1) is satisfied:

0.1≤(a ² /b)×100≤1.0…(1)

the unit of a is mm, and the unit of b is g/m ² 。

8. A acarid trapping article according to any one of claims 1 to 7, which does not comprise an insecticide and/or repellent.

9. A mite-capturing article which attracts and captures mites which invade an area within a radius of 1 m.

10. A mite-capturing article according to claim 9, which attracts and captures mites within 24 hours.

11. A method of capturing mites which comprises disposing the mite capturing article of any one of claims 1 to 10 at or near a locus where mites inhabit so as to lure to capture mites.