WO2017090328A1

WO2017090328A1 - Pest repellent material and pest repelling method using same

Info

Publication number: WO2017090328A1
Application number: PCT/JP2016/079958
Authority: WO
Inventors: 真人川上; 啓介平井; 正美松浦
Original assignee: 理研香料ホールディングス株式会社; 日本製紙パピリア株式会社
Priority date: 2015-11-26
Filing date: 2016-10-07
Publication date: 2017-06-01
Also published as: JP2018039734A; CN108289442A; HK1256037A1

Abstract

The present invention addresses the problem of providing: a pest repellent material which can be used mainly for floors and walls in rooms and the like, has a long-lasting effect and is highly safe; and a pest repelling method using the pest repellent material. The problem can be solved by a pest repellent material comprising a base material impregnated with a solution containing naturally occurring components as active ingredients, said pest repellent material being characterized by being used in such a manner that the solution can be applied onto a surface of interest upon use. For solving the problem, it is particularly preferred that the solution is a solution containing (A) a cyclic monoterpene alcohol and/or (B) a cyclic monoterpene ketone and also containing (C) a cyclic sesquiterpene as the naturally occurring components.

Description

Pest repellent material and pest repellent method using the same

The present invention relates to a pest repellent material, and more particularly, to a pest repellent material that is used by infiltrating a solution into a substrate such as a nonwoven fabric and applying the solution to a surface to be treated. The present invention also relates to a pest repellent method using the pest repellent material.

害 Pests such as cockroaches, mosquitoes, flies, etc. appear in houses and cause various harms, such as worsening the hygienic environment, stinging humans, and making people feel uncomfortable due to poor appearance.

As a control method for preventing damage caused by these pests, methods using various drugs have been developed.
The pest control drugs include insecticides that have an action of killing pests and repellents (insecticides) that have an action of keeping pests away.

As an example of a repellent (insect repellent) having an effect of keeping insects away, those containing DEET (Diet, N, N-diethyl-m-toluamide) as an active ingredient have been widely used (Patent Document 1). From the viewpoint of safety to the human body, terpene compounds (Patent Documents 2 and 3) and saponins (Patent Document 4) contained in natural essential oils have been proposed as active ingredients. In order to reduce irritation to the human body by DEET, a repellent (Patent Document 5) combining DEET and natural essential oil has been developed.

Examples of pest repellent methods using repellents include a method of spraying a solution containing an active ingredient into a closed space, a method of installing a solid material impregnated with an active ingredient, and evaporating the active ingredient.

In addition, as a repellent for biting pests such as mosquitoes, there is a repellent that attaches an active ingredient directly to the skin. In addition to aerosol (Patent Document 5) and cream, a wet tissue type repellent for human body has been developed. Various improvements have been made from the viewpoints of (Patent Document 1, Patent Document 6, Patent Document 7) and feeling of use (ease of applying a drug, irritation to skin, stickiness, etc.).

However, these conventional techniques are mainly improvements from the viewpoints of safety and feeling of use, and the durability of the pest repellent effect is insufficient.
In the method of spraying a medicine by spraying in a closed space such as a room, there is a tendency that a lot of medicine is wasted, and the effect of the medicine is immediately cut off, and the medicine needs to be scattered frequently. . The method of installing solids impregnated with active ingredients and evaporating the active ingredients is effective in a relatively narrow closed space such as chase and closet, but keeps the pests away from the whole room. If you do, the effect will be cut off immediately.
Also, human tissue repellents such as a wet tissue type are supposed to be used temporarily when going out or at bedtime, and there is no need to maintain the effect for a long time.

For this reason, there has been a demand for the development of a novel pest repellent method that can maintain the pest repellent effect for a long time for the entire room.

JP-A-6-321705 JP-A-7-112907 Japanese Patent Laid-Open No. 11-060421 JP 2013-155116 A JP-A-11-171703 Japanese Patent Laid-Open No. 2001-270802 JP 2003-040703 A

The present invention has been made in view of the above-described background art, and its problem is to provide a pest repellent material that is mainly intended for indoor floors and walls and has long-lasting durability and high safety. It is to provide a pest repellent method using the same.

As a result of intensive studies to solve the above-mentioned problems, the present inventor has covered a substrate such as a nonwoven fabric or the like with a pest repellent material in which a solution containing a component having a pest repellent effect is infiltrated. When the substrate is brought into contact with the treated surface and treated so as to be wiped, a solution containing a component having a pest repellent effect is applied to the treated surface, and even after components such as water and alcohol contained in the solution have evaporated, The active ingredient remained on the surface of the surface to be treated, and the pest repellent effect was found to last for a long time, and the present invention was completed.

The present inventor has also found that, by using a specific naturally-derived component, and further combining a specific naturally-derived component with a specific composition, the pest repellent effect is particularly high and the duration is prolonged, The present invention has been completed.

That is, the present invention is a pest repellent material in which a solution containing a naturally-derived component as an active ingredient is infiltrated into a substrate, and the solution is brought into contact with the surface to be treated by bringing the substrate into contact with the surface to be treated. A pest repellent material characterized by being applied and used is provided.

Moreover, this invention contains (A) cyclic monoterpene alcohol and / or (B) cyclic monoterpene ketone as said natural origin component, and (C) said pest containing cyclic sesquiterpene Provide repellent material.

The present invention also provides a method for repelling pests, characterized in that the above solution is applied to the surface to be treated with the pest repellents described above.

According to the present invention, it is possible to provide a pest repellent material having long-lasting durability and high safety by applying to indoor floors and walls.

The pest repellent material of the present invention is obtained by impregnating a base material with a solution containing a component having a pest repellent effect, and by wiping the treated surface such as a floor or a wall, the pest repellent is applied to the treated surface. Infiltrate the ingredients.
For this reason, unlike the conventional aerosol (spray) type pest repellent, the drug is not scattered to the surroundings, so that it is possible to reduce wasteful active ingredients.

In addition, since the pest repellent material of the present invention has a solution penetrating into the base material, the surface to be treated can be treated (wiped) evenly. Can spread repellent ingredients.

The pest repellent material of the present invention is particularly effective against insect pests that crawl on the surface to be treated, such as cockroaches and ants. Such a worm pest is likely to appear particularly in a narrow passage in the room, but the pest repellent of the present invention can easily handle such a narrow passage.

The pest repellent material of the present invention is to infiltrate the pest repellent component into the surface to be treated by wiping the surface to be treated. In this specification, “wiping” means “wiping off dirt. It is not limited to “drop and clean”, but also includes the case where an already clean surface to be processed is treated with a base material to spread the solution.
In the present invention, the main purpose of wiping the surface to be treated is to spread a solution containing a pest repellent component over the surface to be treated. Pest repellent components can be spread over the treated surface. That is, when the surface to be treated is dirty, the pest repellent material of the present invention has the advantage that the surface to be treated can be cleaned and the pest repellent component can be sprayed simultaneously.

In the pest repellent material of the present invention, an inexpensive material such as a nonwoven fabric can be used as a base material, and the base material can be made disposable. The used base material (the base material after the solution is applied to the surface to be processed) will be discarded in a trash can, but the used base material remains without being applied to the surface to be processed. Pest repellent component penetrates. For this reason, the used base material itself has a pest repellent effect. In general, a trash can or the like is in a state in which a pest is likely to be generated. However, when the pest repellent material of the present invention is thrown into a trash can or the like after use, the pest can be kept away from the trash can or the like.

FIG. 3 is a layout view in a test box in Examples 1 and 3 to 4. FIG. 6 is a layout diagram in a test box in Example 2.

Hereinafter, the present invention will be described, but the present invention is not limited to the following embodiments, and can be implemented with arbitrary modifications.

The pest repellent material of the present invention is obtained by impregnating a base material with a solution containing a naturally-derived component as an active ingredient (hereinafter sometimes simply referred to as “solution”), and applying the solution to a surface to be treated. Used.
Moreover, the pest repellent method of this invention applies a solution to a to-be-processed surface by making a base material contact the to-be-processed surface with the pest repellent material of this invention.

As a pest repellent, a spray type using an aerosol agent or a type on which a solid material is placed is conventionally known, but the pest repellent of the present invention is based on a base material infiltrated with a solution, such as a floor or a wall. This is a novel type of pest repellent material that is used by applying a solution to a surface to be treated by wiping the surface to be treated.

<Solution>
The pest repellent solution of the present invention contains a naturally-derived component as an active ingredient. “Naturally derived components” are components that can be obtained by extraction from animals and plants that exist in nature, and specifically are chemical components contained in essential oils and the like.
As long as it is a component that can be obtained by extraction from animals and plants existing in nature, even those obtained by chemical synthesis fall within the category of “naturally-derived components”. Although not limited, the pest repellent material of the present invention is used by wiping the treated surface such as a floor or a wall. Therefore, the “naturally-derived component” is actually from animals and plants existing in nature. It is preferable that it is obtained by extraction.

The pest repellent material of the present invention is one in which the solution penetrates the base material, and is used by applying the solution to the surface to be treated by wiping the surface to be treated. Is expected to continue. For this reason, the component in a solution needs to be a highly safe thing, and the natural origin component is used as an active ingredient of a solution in this invention.

Examples of specific naturally-occurring components contained in the solution include cyclic monoterpene alcohol, cyclic monoterpene ketone, cyclic sesquiterpene, chain monoterpene alcohol, monoterpene aldehyde, terpene acid, terpene oxide and the like. Can be mentioned.

It is particularly preferable that the solution contains at least one selected from (A) cyclic monoterpene alcohol, (B) cyclic monoterpene ketone, and (C) cyclic sesquiterpene as naturally derived components.

In this case, it is more preferable that the solution contains (C) a cyclic sesquiterpene. That is, it is more preferable that the solution contains (A) a cyclic monoterpene alcohol and / or (B) a cyclic monoterpene ketone and (C) a cyclic sesquiterpene as naturally-derived components.
(C) Cyclic sesquiterpene alone has a small pest repellent effect, but it can be used in combination with (A) cyclic monoterpene alcohol or (B) cyclic monoterpene ketone to provide synergistic and powerful pest repellent. The effect is exhibited, and the transpiration rate acts synergistically to maintain the effect for a long time.

Further, when the mass of (A) the cyclic monoterpene alcohol contained in the solution is a, (B) the mass of the cyclic monoterpene ketone is b, and (C) the mass of the cyclic sesquiterpene is c, (a + b ): C = 1: 9 to 9: 1, and (a + b): c = 3: 7 to 7: 3 is particularly preferable.
Within the above range, the pest repellent effect lasts for a long time.

When the solution does not contain (A) a cyclic monoterpene alcohol (when a = 0), it is preferable that b: c = 1: 9 to 9: 1, and b: c = 3: 7 to 7: 3 is particularly preferred.
When the solution does not contain (B) cyclic monoterpene ketone (when b = 0), it is preferable that a: c = 1: 9 to 9: 1, and a: c = 3: 7 to 7: 3 is particularly preferred.

Specific examples of the (A) cyclic monoterpene alcohol contained in the solution include isopulegol, menthol, terpineol, dihydroterpineol, terpineol-4, carveol, dihydrocarbol, perilla alcohol, myrtenol, nobol, pinocarbeool, Examples include fenalkyl alcohol, borneol, isoborneol, and tyranol. These may be used alone or in combination of two or more.

Specific examples of the (B) cyclic monoterpene ketone contained in the solution include carvone, menthone, isomenthone, camphor and the like. These may be used alone or in combination of two or more. May be used.

Specific examples of the (C) cyclic sesquiterpene contained in the solution include bisabolene, caryophyllene, valencene, guayene, cedrene, kazinene, tyuopsen, and longifolene, and these may be used alone. Two or more kinds may be mixed and used.

The solution can contain a solvent, an emulsifier, a dispersant, a retention agent, a preservative, and the like, in addition to the naturally-derived component that is an active ingredient (pest repellent ingredient), as long as the effect of the present invention is not significantly hindered. .

Solvents contained in the solution include water; monohydric alcohols such as methanol, ethanol, propanol, isopropanol, and butanol; polyhydric alcohols such as ethylene glycol and propylene glycol; ketones such as acetone and methyl ethyl ketone; tetrahydrofuran, dioxane, Ethers such as diethyl ether; aliphatic hydrocarbons such as hexane, kerosene and paraffin; aromatic hydrocarbons such as benzene and toluene; halogenated hydrocarbons such as chloroform and dichloroethane; esters such as ethyl acetate and butyl acetate; These may be used individually by 1 type, and may mix and use 2 or more types.
Since the pest repellent material of the present invention is applied to a surface to be treated, safety is required for the solvent, and water, monohydric alcohol, polyhydric alcohol, and combinations thereof are preferable. Particularly preferred is water, ethanol, or a mixture of water and ethanol.

The solution preferably contains a naturally-derived component in a proportion of 0.1% by mass or more and 10% by mass or less, more preferably 0.3% by mass or more and 7% by mass or less, and more preferably 0.5% by mass. It is particularly preferable to contain at a ratio of not less than 5% and not more than 5% by mass.
If it is in the above range, the transpiration rate becomes appropriate, and the pest repellent effect lasts for a long time.

<Base material>
The pest repellent material of the present invention is obtained by impregnating a solution into a substrate. The “penetration” may be any solution as long as the solution is infiltrated into the base material, and a method of impregnating the base material in the solution or applying the solution to the base material by spraying or the like can be considered. In order to sufficiently soak the solution into the substrate, it is preferable to impregnate the substrate in the solution.

In the present invention, examples of the base material into which the solution permeates include non-woven fabric, cloth, towels, gauze, absorbent cotton, and filaments. Nonwoven fabrics are preferred from the viewpoint of ease of solution penetration and cost.

There is no limitation in particular in the kind of nonwoven fabric used as a base material, For example, the nonwoven fabric manufactured by well-known methods, such as an airlaid method, a spunlace method, a spun bond method, a melt blow method, a needle punch method, can be used. .
In this invention, the nonwoven fabric used as a base material is often thrown away, and the nonwoven fabric manufactured by the spunlace method with low manufacturing cost is preferable.
The nonwoven fabric is bonded with, for example, a known adhesive (synthetic rubber hot melt, EVA hot melt, polyolefin hot melt, polyamide hot melt, polyester hot melt, polyurethane hot melt, etc.). There may be.

When a non-woven fabric is used as the substrate, it can be in the form of a general wet tissue. That is, a nonwoven fabric of an appropriate size can be packed in a sealed container such as a bottle or bag and can be taken out and used one by one.
By doing so, it is possible to take out and use only a necessary amount when necessary in a general household, and to make it disposable after use. Further, the evaporation of the solution can be suppressed, and the pest repellent component (active component) in the solution can be within the above-described range, and the durability of the effect is maintained.
Furthermore, the wet tissue type pest repellent material can be easily applied to a narrow passage or the like. Ventilation fans, drain outlets, etc. are particularly easy to enter into pests, but wet tissue pest repellents can be used to easily apply solutions to such complex shapes. A sufficient repellent effect can be obtained.

Moreover, it can also be used in a form like a general cleaning tool by attaching a handle or the like to the base material into which the solution has penetrated. For example, by using a filamentous body as a base material and connecting a handle to the filamentous body, it can be used as a pest repellent material in the form of a mop.
By doing in this way, the operation | work which processes a large area floor etc. (application | coating a solution) can be performed efficiently. Moreover, at the same time as cleaning the floor or the like, it is possible to apply a solution (spraying of insect repellent components), and two birds with one stone.

<Processed surface>
There is no particular limitation on the surface to be treated (the solution is applied by wiping) by the pest repellent material of the present invention, and building parts such as floors, walls, ceilings, bars, intrusions, windows, handrails, etc .; Interior items such as kitchens, sinks, bathtubs, wash basins, toilets, lighting equipment; furniture such as desks, chairs, cupboards, beds, washing machines, dryers, trash cans, bookcases, shelves; cutting boards, food containers, electronics Surfaces of cooking utensils such as a range and a refrigerator; building accessories such as a ventilation fan and a drain outlet; Above all, the effect is especially exerted on the building part from the viewpoint of a large area.

In the pest repellent material of the present invention, after a solution is applied to the surface to be treated, a solvent such as water or alcohol is removed by evaporation, and then a pest repellent component (naturally-derived component) remains on the surface to be treated. It is thought that the pest repellent effect lasts for a long time because the ingredients gradually evaporate.
If the surface to be treated is a material in which the insect repellent component is difficult to penetrate inside, the active ingredient stably evaporates and the insect repellent effect lasts for a long time.

<Pest>
There is no particular limitation on the types of pests to which the pest repellent material of the present invention is applied, and examples include unpleasant pests, sanitary pests, wood pests, clothing pests, food pests, cultural property pests, house pests, pet pests, etc. .

Examples of unpleasant pests include ants, millipedes, cardworms, centipedes, spiders, warabimushi, stink bugs, and fly flies.
Examples of sanitary pests include flies, mosquitoes, flyfish, fleas, lice, cockroaches, house dust mites, indoor dust mites and the like.
Examples of wood pests include bark beetles, longhorn beetles, hornworms, termites, moth beetles, larvae, and the like.
Examples of clothes (fiber) pests include cutworms, moths, and carp.
Examples of food pests include acarid mites, moths, carp moths, bark beetles, cockworms, weevil, moths, ticks, scallops, cockroaches, ants, hornworms, and the like.
Examples of cultural property pests include scab beetles, cutlet worms, scallops, weevil, slatted beetle, moth beetles, spotted worms, spots, leopard worms, and termites.
Examples of house (architecture) pests include termites, sword beetles, beetles, millipedes, stains, moths, cutlet worms, and butterflies.
Examples of pet pests include fleas, ticks, spiders, and mosquitoes.

Also, the pest repellent material of the present invention is a pest repellent effect by applying a solution to the surface to be treated and gradually evaporating the pest repellent component remaining on the surface to be treated after evaporation of a solvent such as water or alcohol. Demonstrate.
For this reason, the pest repellent material of the present invention is particularly effective against insect pests such as cockroaches, ants, dandelion beetles, rotifers, centipedes and millipedes.

The pest repellent material of the present invention is excellent in sustainability of the pest repellent effect and high in safety because it uses a naturally-derived component as a pest repellent component, and infiltrate the solution into the base material, This is because the pest repellent component is distributed.
In addition, when the solution contains (A) a cyclic monoterpene alcohol and / or (B) a cyclic monoterpene ketone and (C) a cyclic sesquiterpene, the pest repellent effect is particularly long-lasting. It will be excellent. This is due to the synergistic effect of (C) a cyclic sesquiterpene and (A) a cyclic monoterpene alcohol and / or (B) a cyclic monoterpene ketone, which has a low vapor pressure and hardly exerts a pest repellent effect by itself. It is considered a thing.

Hereinafter, the present invention will be described more specifically with reference to examples and comparative examples. However, the present invention is not limited to these examples and comparative examples as long as the gist thereof is not exceeded.

Example 1
Two sets of nonwoven fabric sheets cut to a size of 300 mm × 400 mm were prepared, and one sheet was uniformly impregnated with each test substance shown in Table 2 diluted with acetone to 1.0 g / m ² . . The other sheet was impregnated only with acetone.

A 600 mm × 400 mm × 210 mm (height) polypropylene container was used as a test box. A shortening was applied to the entire inner wall of the container to prevent the escape of test insects (cockroaches).
Each of the above sheets was air-dried for about 1 hour, and a sheet impregnated with each test substance was placed on one of the bottoms of the container to form a treatment zone. On the other bottom of the container, a sheet impregnated with only acetone was installed to form an untreated section.

As shown in FIG. 1, a container containing cockroach food and water is placed in each of the treated and untreated areas. As test insects, 10 adult cockroaches (5 males, 5 females), larvae A total of 20 heads of 10 were released in a test box, and the number of test insects that were latent in each of the treated group and the untreated group was observed over time in the test box.

In a preliminary test in which both the left and right are untreated, cockroaches have been confirmed to gather on the right side. The detailed reason is unknown, but it is thought to be due to the way the light hits the room.
For this reason, in order to eliminate the bias depending on the location, the positional relationship between the treated area and the untreated area is reversed, and the same is done. Observed.

The results when borneol is used as the test substance are shown in Table 1 as an example.

From Table 1, it can be seen that when the treated area is on the left side and the untreated area is on the right side, the apparent repellent effect is stronger and cockroaches tend to gather on the right side.
For each test substance, the number of inhabitants in each group when the treatment group was on the right side and the treatment group on the left side was integrated, and the repelling rate was calculated by the following formula. The results are shown in Table 2.

In the case of cyclic monoterpene alcohol alone (Nos. 1 to 6) or cyclic monoterpene ketone alone (Nos. 7 to 9), pests can be observed at any time after 6 hours, 24 hours and 48 hours. A repellent effect was observed. The cyclic sesquiterpene alone (Nos. 10 to 13) showed a pest repellent effect over time, although it was weak. In the case of the combined use of a cyclic sesquiterpene and a cyclic monoterpene alcohol (No. 14 to 19), or the combined use of a cyclic sesquiterpene and a cyclic monoterpene ketone (No. 20 to 23), the cyclic monoterpene alcohol alone ( No. 1 to 6) and cyclic monoterpene ketone alone (No. 7 to 9) have stronger repellent effect, increase pest repellent effect over time, and repellent effect after a long time (48 hours) Remained strong.

(Example 2)
A polypropylene bat of 340 mm × 260 mm × 110 mm (height) was used as a test box. Vaseline was applied to the upper half of the inner wall to prevent escape of test insects (cockroaches).
As shown in FIG. 2, a wooden shelter (12 mm × 10 mm × 8 mm (height)) and a petri dish (diameter 60 mm, height 15 mm) filled with water were installed in advance in the test box. Sixty adults (30 males and 30 females) were released into a test box and habituated to the test box.

Two sets of two nonwoven fabric sheets cut into a circle having a diameter of 125 mm were prepared, and only one sheet was impregnated uniformly with each test substance shown in Table 3 at 1.0 g / m ² . Each sheet was placed in the test box so that the sheet impregnated with each test substance was treated, and the sheet not impregnated with anything was untreated. A container (30 mm in diameter and 6 mm in height) containing a weighed solid feed was placed in the center of each sheet, and the amount of eating of the solid feed in the treated and untreated sections was measured over time.

In addition, in order to eliminate the bias depending on the location, the same processing was performed by exchanging the positions of the treated area and the untreated area, and the amount of the solid feed in the treated area and the untreated area was measured over time. The amount of eating in each section when the treatment section was on the right side and when the treatment section was on the left side was integrated, and the repelling rate was calculated by the following formula. The results are shown in Table 3.

From Table 3, the same tendency as in Example 1 can be read. In other words, the cyclic sesquiterpene alone (Nos. 10 to 13) showed almost no repellent effect, but the combined use of cyclic sesquiterpene and cyclic monoterpene alcohol (No. 14 to 19) or cyclic sesquiterpene. In combination with cyclic monoterpene ketone (No. 20-23), more repellent than with cyclic monoterpene alcohol alone (No. 1-6) or cyclic monoterpene ketone alone (No. 7-9) The effect was strong and the synergistic effect by containing two components was confirmed.

(Example 3)
As a test box, the same 600 mm × 400 mm × 210 mm (height) polypropylene container as in Example 1 was used. A shortening was applied to the entire inner wall of the container to prevent the escape of test insects (cockroaches).

Two sets of PET resin plates cut into 300 mm × 400 mm sheets are prepared, and the surface of one resin plate sheet is a nonwoven fabric impregnated with a solution containing 2.0% by mass of each test substance shown in Table 4. It was wiped so as to be uniform and treated. The surface of the other resin plate sheet was left untreated without any treatment.

As shown in FIG. 1, an untreated section resin plate sheet and a treated section resin plate sheet are installed, and a container containing food and water is placed as shown in FIG. A total of 20 heads (5 males, 5 females) and 10 larvae were released into the test box, and the number of test insects that were hiding in each of the treated and untreated areas in the test box over time. Observed.

In addition, in order to eliminate the bias depending on the location, the position of the treated area and the untreated area were exchanged, and the same thing was done, and the number of test insects latent in each of the treated area and the untreated area was observed over time. .
When the treatment group was on the right side and the treatment group was on the left side, the number of test insects in each group was integrated, and the repelling rate was calculated by the following formula. The results are shown in Table 4.

From the results shown in Table 4, in the case of cyclic monoterpene alcohol alone (No. 1 to 3) or cyclic monoterpene ketone alone (No. 4 to 5), the pest repellent effect decreases with time, but 2 to 4 hours. Until then, pest repellent effects were observed. The cyclic sesquiterpene alone (Nos. 6 to 7) showed a pest repellent effect over time although it was weak. In the case of the combined use of a cyclic sesquiterpene and a cyclic monoterpene alcohol (Nos. 8 to 11), or the combined use of a cyclic sesquiterpene and a cyclic monoterpene ketone (No. 12 to 15), the cyclic monoterpene alcohol alone ( As compared with the case of No. 1 to 3) or cyclic monoterpene ketone alone (No. 4 to 5), the insect repellent effect increased with time. This result is considered to be due to the synergistic effect of cyclic monoterpene alcohol or cyclic monoterpene ketone and cyclic sesquiterpene, and a synergistic effect was recognized in any combination.

Example 4
As a test box, the same 340 mm × 260 mm × 110 mm (height) polypropylene bat as in Example 2 was used. Vaseline was applied to the upper half of the inner wall to prevent escape of test insects (cockroaches).

Two sets of PET resin plates cut into 170 mm × 260 mm sheets were prepared, and the surface of one resin plate sheet was a nonwoven fabric impregnated with a solution containing 2.0% by mass of each test substance shown in Table 5 It was wiped so as to be uniform and treated. The surface of the other resin plate sheet was left untreated without any treatment.

As shown in FIG. 1, a resin plate sheet in the treated area and a resin plate sheet in the untreated area are installed, and a container containing food and water is placed as shown in FIG. 1, and 60 adult German cockroaches are used as test insects. (30 males and 30 females) were released into a test box, and the number of worms of the test insects hiding in each of the treated group and the untreated group was observed over time in the test box.

In addition, in order to eliminate the bias depending on the location, the position of the untreated area and the treated area were exchanged, and the same thing was done, and the number of test insects latent in each of the treated area and the untreated area was observed over time. .
When the treatment group was on the right side and the treatment group was on the left side, the number of test insects in each group was integrated, and the repelling rate was calculated by the following formula. The results are shown in Table 5.

From Table 5, the same tendency as in Example 3 can be read. That is, cyclic sesquiterpenes alone (No. Nos. 6 to 7) are weak but have a pest repellent effect over time, and the combined use of cyclic sesquiterpenes and cyclic monoterpene alcohols (Nos. 8 to 11). And cyclic sesquiterpenes and cyclic monoterpene ketones (No. 12 to 15), cyclic monoterpene alcohols alone (No. 1 to 3) or cyclic monoterpene ketones (No. 4 to 5) Pest repellent effect was stronger than in the case of, and a synergistic effect by containing two components could be confirmed.

The pest repellent material used by applying the solution to the surface to be treated of the present invention can reduce the amount of the drug used, and can spread the active ingredient evenly over the large surface to be treated. If the wet tissue type is assumed to be used in a relatively narrow place or a place with a complicated shape, it is widely used as a pest repellent material for general households, pest repellent materials for factories and the like.

Claims

A pest repellent material in which a solution containing a naturally-derived component as an active ingredient is infiltrated into a substrate, and the solution is applied to the surface to be treated by contacting the substrate with the surface to be treated. Pest repellent characterized by that.
The pest repellent material according to claim 1, wherein the base material is a non-woven fabric.
The said naturally-derived component contains 1 or more types selected from (A) cyclic monoterpene alcohol, (B) cyclic monoterpene ketone, and (C) cyclic sesquiterpene. Pest repellent material.
Any one of Claims 1 to 3 containing (A) a cyclic monoterpene alcohol and / or (B) a cyclic monoterpene ketone and (C) a cyclic sesquiterpene as the naturally-derived component. The pest repellent material according to any claim.
(A) Cyclic monoterpene alcohol is isopulegol, menthol, terpineol, dihydroterpineol, terpineol-4, carveol, dihydrocarbeole, perilla alcohol, myrtenol, nobol, pinocarveol, fenquil alcohol, borneol, isoborneol and The pest repellent material according to claim 3 or 4, which is one or more compounds selected from the group consisting of tunaol.
The pest repellent material according to any one of claims 3 to 5, wherein (B) the cyclic monoterpene ketone is one or more compounds selected from the group consisting of carvone, menthone, isomenthone and camphor. .
The claim of any one of claims 3 to 6, wherein (C) the cyclic sesquiterpene is one or more compounds selected from the group consisting of bisabolen, caryophyllene, valencene, guayene, cedrene, kazinene, tubyosen and longifolene. The pest repellent material according to Item.
When the mass of (A) cyclic monoterpene alcohol contained in the solution is a, (B) the mass of cyclic monoterpene ketone is b, and (C) the mass of cyclic sesquiterpene is c, (a + b) The pest repellent material according to any one of claims 3 to 7, wherein: c = 1: 9 to 9: 1.
The pest repellent according to any one of claims 1 to 8, wherein the pest is a cockroach.
The insect repellent material according to any one of claims 1 to 9, wherein the solution contains the naturally-derived component in a proportion of 0.1% by mass or more and 10% by mass or less.
A pest repellent method comprising applying the solution to a surface to be treated with the pest repellent material according to any one of claims 1 to 10.