JP2008162951A - Aerosol agent for preventing nesting of spider - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an aerosol agent for preventing nesting of spiders simply preventing damage by the spiders, particularly the damage by nesting, and sustaining effects thereof even in the open air over a long period of time. <P>SOLUTION: The aerosol agent for preventing the nesting of the spiders comprises a stock solution containing an insect pest control agent and a silicone and a propellant. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a spider nesting prevention aerosol agent for preventing damage caused by spiders that inhabit buildings, vehicles, trees, and the like, in particular, damage to nesting.

  Buildings, vehicles, trees, etc. are nested by spiders that inhabit them, touching them, clinging to them, feeling unsanitary, etc., or being bitten and damaging the human body There are many requests to remove spiders and their webs.

  For this reason, extermination tools have been devised to remove the cobweb. For example, a burner is attached to the tip of the handle to burn the cobweb (see Patent Document 1), a vinyl tube is attached to the tip of the driver drill, and it is rotated. However, even if the spider web is removed using the extermination tool, the nest is regenerated after that, so it has to be frequently removed.

In addition to this, spraying insecticides for cockroaches on places where spiders are likely to live, and killing and avoiding spiders may prevent nesting, but the target pests and spray locations are different. Sufficient effect cannot be expected, and furthermore, spraying insecticide on the eaves and trees of buildings where spiders inhabit will cause the insecticide to disappear due to the effects of sunlight and wind, and spiders will create nests. It ’s hard to say.
Japanese Utility Model Publication No. 57-67579 JP 2004-41077 A

The conventional technology is to remove the spider web when it is found, or to prevent the nest from being built by killing or repelling the spider. The anti-nesting effect over a period cannot be expected. Practical technology that can easily prevent damage from spider nesting has not yet been developed.
Therefore, the present invention provides an aerosol agent for preventing spider nesting, which can easily prevent damage caused by spiders, particularly damage to nesting, and can maintain its effect over a long period even outdoors.

As a result of diligent studies to solve the above problems, the present inventors have found that it is possible to easily prevent nesting of spiders over a long period of time by blending a pest control agent and silicone into an aerosol agent. The headline has led to the present invention. That is, the present invention is achieved by the following (1) to (5).
(1) A spider nesting-preventing aerosol containing a pest control agent, a stock solution containing silicone, and a propellant.
(2) The content of the pest control agent in the stock solution is 0.3 to 3 mg / ml, and the content of silicone is 8 to 80 mg / ml. Nesting prevention aerosol.
(3) The spray particle diameter is 10 to 100 μm, and the spider nesting prevention aerosol agent according to (1) or (2) above.
(4) The spider nesting prevention aerosol according to any one of (1) to (3) above, wherein the pest control agent is a pyrethroid compound.
(5) The spider nesting prevention aerosol according to any one of (1) to (4) above, wherein the silicone is silicone oil.
(6) The above (5), wherein the silicone oil is one or more selected from the group consisting of dimethyl silicone oil, alkyl aralkyl-modified silicone oil, amino-modified silicone oil, and silicone resin oil. The spider nesting prevention aerosol agent described.

  The spider nesting-preventing aerosol agent of the present invention can kill the spider itself, and further prevents nesting at the sprayed place, and the effect is maintained over a long period of time. Furthermore, it is excellent in spreadability and smoothness at the spray location, and can easily remove the spider web. This can prevent discomfort caused by spider webs and damage to the human body caused by spider webs.

  The spider nesting prevention aerosol agent of the present invention (hereinafter also referred to as “aerosol agent”) comprises a pest control agent, a stock solution containing silicone, and an aerosol agent filled with a propellant in a pressure-resistant container equipped with a spray device. .

  The pest control agent may be any component that has an insecticidal and repellent effect on spiders, such as pesticide chrysanthemum extract, natural pyrethrin, praretrin, imiprotorin, phthalthrin, allethrin, transfluthrin, bifenthrin, resmethrin, phenothrin, ciphenothrin. , Permethrin, cypermethrin, etofenprox, cyfluthrin, deltamethrin, bifenthrin, fenvalerate, fenpropatoline, empensulin, pyrethroid compounds such as silafluophene, methofurthrin, profluthrin, fenitrothion, diazinon, marathon, pyridafenthion, prothiophos, phochlorfosir Organic phosphorus compounds such as carbaryl, propoxur, mesomil, thiodicarb, etc. Mate compounds, oxadiazole compounds such as methoxadiazone, phenylpyrazole compounds such as fipronil, sulfonamide compounds such as amidoflumet, neonicotinoid compounds such as dinotefuran and imidacloprid, metoprene, hydroprene, pyriproxyfen, etc. Insect growth control compounds, pyrrole compounds such as chlorfenapyr, rotenone, diet, P-menthane-3,8-diol, ethyl-butylacetylaminopropionate, hydroxyanisole, benzyl alcohol, peppermint oil, citronella oil, eucalyptus oil 1 type, or 2 or more types, such as a geranium oil and a mosquito reed.

  Among these, pyrethroid compounds are preferable because they are excellent in insecticidal and repellent effects against spiders, are excellent in light resistance, and are not decomposed even when used outdoors, and the effects last for a long time.

  The content of the pest control agent in the stock solution is preferably 0.3 to 3 mg / ml, more preferably 1 to 3 mg / ml.

  As the silicone, silicone oil, silicone emulsion, etc. can be used. For example, dimethyl silicone, alkylaralkyl-modified silicone, amino-modified silicone, silicone resin, water-soluble polyether-modified silicone, fluorine-modified silicone, alkyl-modified silicone, phenylmethyl Examples include silicone.

  Among these, silicone oils such as dimethyl silicone oil, alkyl aralkyl-modified silicone oil, amino-modified silicone oil, and silicone resin oil are excellent in spreading property at the sprayed area, smoothness of the surface, and resistant to wind and rain. Therefore, it is preferable. Furthermore, since the viscosity of the spider web is supported by moisture, it can be easily removed without increasing the viscosity of the spider web by using the above-described silicone oil not containing water. In particular, an alkylaralkyl-modified silicone oil is preferable. More specifically, “Release Agent TN”, “L051”, “AK10”, “WT1650”, “1038” and the like manufactured by Asahi Kasei Wacker Silicone Co., Ltd. may be mentioned.

  The content of silicone in the stock solution is preferably 8 to 80 mg / ml, more preferably 10 to 20 mg / ml.

  Examples of the solvent for preparing the stock solution include kerosene, n-paraffins, isoparaffins, hydrocarbon solvents such as toluene and xylene, alcohols such as ethanol, propanol and butanol, polyhydric alcohols such as glycol and propylene glycol, ethyl One type or two or more types of ethers such as ether and dioxane, esters, acid amides, and nitriles may be used.

  When silicone oil is used, the above hydrocarbon solvents are preferable, and it is more preferable that the aerosol agent does not contain water. Thereby, it is excellent in spreadability and smoothness to the sprayed part, is resistant to wind and rain, and does not supply moisture that supports the viscosity of the spider web. When a silicone emulsion or the like is used or water is included, it can be emulsified and dispersed using an appropriate amount of alcohol or surfactant.

  If necessary, for example, polyoxyethylene alkyl ether, polyoxyethylene hydrogenated castor oil, polyoxyethylene polyoxypropylene polymer, polyethylene glycol, polyvinyl alcohol, higher alcohol phosphate ester salt, higher alcohol sulfate ester salt, etc. You may mix | blend 1 type (s) or 2 or more types, such as surfactant and water.

  Examples of the propellant include one or more of liquefied petroleum gas, dimethyl ether, propane, butane and the like.

  Moreover, you may use together compressed gas, such as nitrogen gas, a carbon dioxide gas, and air, as needed.

  The aerosol agent of the present invention is preferably made into a stock solution: propellant = 1: 9 to 1: 1 (volume ratio) using the above-described various components.

  Further, it is preferable to spray at a high place or far away, and jet injection is preferred in order to improve spreadability and smoothness at the sprayed place, and a spray amount of about 10 to 150 g / 10 seconds (about 1 to 15 g / second). It is preferable to have. And it is preferable that the internal pressure at the time of filling an aerosol agent shall be 0.3-0.7 Mpa / 25 degreeC. Also, as a spray device for jet injection, equipped with a nozzle diameter 0.8-1.6mm, stem diameter 0.45-1.2mm x 2-3 holes, under tap diameter 1.0-2.2mm Is preferred.

  And it is preferable to adjust so that the spray particle diameter sprayed from an aerosol agent may become 10-100 micrometers preferably 10-60 micrometers. Thereby, the desired effect at the spray location can be sufficiently obtained, and an effective amount of the pest control agent and silicone can be reached at a distance of at least 5 m. The spray particle diameter here is an average particle diameter (d50), and is, for example, 50 cm from the measurement section using a laser light scattering particle size distribution analyzer LDSA-1400A (manufactured by Tohnichi Computer Applications). It is calculated | required by spraying from the distance and measuring.

  As long as the effects of the invention are exerted, the aerosol agent of the present invention can be appropriately blended with an ultraviolet ray inhibitor, a film-forming agent, a retentive agent, an antioxidant, a deodorant / deodorant, a colorant, a fragrance and the like.

  EXAMPLES The present invention will be described in more detail with reference to examples below, but the present invention is not limited to these examples.

<Aerosols of Examples>
A stock solution was prepared by dissolving in a paraffinic solvent (trade name “Neothiozole”) so that fenpropatoline was 2.5 mg / ml and alkylaralkyl-modified silicone was 15 mg / ml. 180 ml of the stock solution and 270 ml of propellant (liquefied petroleum gas / dimethyl ether in a volume ratio of 90:10) were filled in a pressure-resistant vessel equipped with a spraying device at 0.38 Mpa / 25 ° C. to obtain the aerosol of the present invention.
The aerosol agent has a spraying device having a nozzle diameter of 1.6 mm, a stem diameter of 1.2 mm × 3 holes, and an undertap diameter of 2.2 mm, has a spray amount of about 7 g / 1 second, and has a spray particle size of about It is adjusted to be 45.8 μm.

<Aerosol of Comparative Example>
An aerosol agent containing 315 ml of a stock solution obtained by dissolving 0.13 g of cyphenothrin in a paraffinic solvent (kerosene) so as to have a concentration of 0.4 mg / ml and 105 ml of a propellant (liquefied petroleum gas / compressed nitrogen gas). Using. Silicone is not blended. The aerosol agent had a spray amount of about 18 g / 1 second and a spray particle size of about 148.7 μm.

<Test Example 1>
One sparrow spider and one red spider spider are placed in a plastic cup (12 cm in diameter and 10 cm in depth), and the aerosols of the examples and comparative examples are sprayed for 1 second each from a distance of 50 cm, knockdown time (seconds), 24 hours later The mortality rate (%) was examined. The test was repeated three times to obtain an average value, and the results are shown in Table 2.

  As compared with the aerosol of the comparative example, the aerosol agent of the example had a knockdown of 1.5 to 2 times faster than various types of spiders, and was excellent in rapid efficacy.

<Test Example 2>
The aerosol agents of Examples and Comparative Examples were sprayed on a plywood board for 1 second each and dried for one day, and untreated ones were prepared. Then, as shown in FIG. 1, it was attached to the upper half of the cardboard box (length 30 cm, width 20 cm, height 10 cm). Next, we released 4 spider spiders in the cardboard box and observed nesting activity on the plywood for 30 minutes. And because spiders have the habit of moving to nest the top, spiders that have been knocked down by pest control agents or spiders that have been repelled and moved to the bottom of cardboard boxes have had their nesting activity inhibited. As counted. The results are shown in Table 3.

  In the case where no aerosol treatment was applied to the plywood board, all the spiders moved to the upper part, but in the case of spraying the aerosol agent of the example, all the spiders were repelled from the plywood board and were placed in the lower part of the cardboard box. I was accustomed.

<Test Example 3>
The aerosols of Examples and Comparative Examples were sprayed from 30 cm to 1 second each inside the lid of a plastic cup (diameter 14 cm, depth 6.5 cm). As shown in FIG. 2, one red spider was released into the cup and allowed to stand for 30 minutes to observe the behavior. During that time, we investigated the avoidance behavior such as rampage and the knockdown time (minutes). Thereafter, the spider was transferred to another container, and the lethality (%) after 24 hours was confirmed. The test was repeated using the same cup from the start date of the test, and after 4 days, 1 week, 2 weeks, and 1 month, the spider was observed to confirm the persistence of the effect. did. The test was repeated twice and the results are listed in Table 4.

  It was confirmed that the aerosol agents of the examples were excellent in the insecticidal and repellent effect of the pest control agent, and the effect was maintained for at least one month. In particular, the knockdown effect was strong, and even after one month, it was as fast as 7 minutes, and was faster than the knockdown time on the test start date of the comparative example.

<Test Example 4>
In a metal chamber (33 m ³ ), a filter paper having a diameter of 40 cm is pasted diagonally above the tester (horizontal distance 2 m (or 3 m) from the tester and vertical distance 2.3 m from the floor), The aerosol agents of Examples and Comparative Examples were sprayed toward the filter paper for 5 seconds each. The filter paper was collected and analyzed with a gas chromatograph to determine the spread amount (mg) of the pest control agent. The test was repeated twice and the results are shown in Table 5.

  Compared with the comparative example, the embodiment is about 1.7 times as long as the horizontal distance 2 m and the vertical distance 2.3 m, and about 16.5 times as long as the horizontal distance 3 m and the vertical distance 2.3 m. There was a difference in wearing amount.

Moreover, about the aerosol agent of an Example, as a result of confirming the spray pattern at the time of spraying for 5 seconds toward the filter paper (120 cm x 120 cm) of the place 3m apart at a horizontal distance, the whole filter paper is in a wet state. It was confirmed that the particles were widely diffused. On the other hand, in the aerosol agent of the comparative example, wetting was observed in the lower part of the filter paper, and the diffusion was not good.
Furthermore, about the aerosol agent of the Example, when the spraying distance was measured visually under a windless condition, it was confirmed that the spray particles reached up to 5 m.

  The difference between the two is mainly due to the spray particle size, and the spray particle size is appropriate despite the fact that the spray amount is small compared to the aerosol of the comparative example. It can be said that it is suitable for use in high places and trees where spiders live.

<Test Example 5>
Three spiders on the floor (point A) with a horizontal distance of 3 m from the tester, the floor surface (point B) 1 m to the right from point A, and the floor surface (point C) 1.5 m to the right from point A Placed in a container. And the aerosol agent of an Example and a comparative example was sprayed for 5 second toward the A point, respectively, and knockdown time (second) was calculated | required. The test was repeated twice and the average value was determined. The results are shown in Table 6.

  It was confirmed that the aerosol agents of the examples can control spiders over a wide range when sprayed from a long distance.

<Test Example 6>
The aerosol solution of the example and the test specimen in which silicone was not blended in the stock solution of the example were dropped 10 ml by a hole pipette at the center of the surface of a 10 cm × 10 cm vinyl chloride plate and dried for one day. After that, water was sprayed 200 times (equivalent to 120 ml) from a distance of 5 cm using a pump-type sprayer, and the surface of the plate was washed away with acetone after one day, and the phenpropatoline contained therein was analyzed by gas chromatography. did. Then, the remaining amount of fenpropatoline with and without silicone was examined, and the results are shown in Table 7.

  By blending silicone, the residual amount of fenpropatoline was approximately doubled, confirming that water resistance was enhanced. From this result, it is considered that the effect of the pest control agent can be sustained for a long time when used outdoors.

<Test Example 7>
50 ml of each stock solution of the aerosol agents of Examples and Comparative Examples was placed in a polyethylene terephthalate bottle and irradiated with ultraviolet rays for 24 hours with a sun tester. Thereafter, the stock solution in the bottle was analyzed with a gas chromatograph to determine the decomposition rate (%) of the pest control agent. The test was repeated three times and the results are shown in Table 8.

  Since the degradation rate of the pest control agent is greatly reduced by blending silicone, it is considered that the effect of the pest control agent can be sustained for a long time when used in the field where spiders live.

<Test Example 8>
Each silicone shown in Table 9 was applied to the inside of a vinyl chloride resin pipe having a diameter of 4.5 cm and a length of 10 cm, 10 ml of a solution (concentration 15 mg / ml) in which silicone oil was dissolved in neothiozole and silicone emulsion was dissolved in ethanol. . One spider spider was released in the pipe, the upper and lower ends of the pipe were closed, the pipe was erected, and the behavior of the spider moving to the upper part of the pipe was observed for 4 days. Individuals staying in the lower part of the pipe were counted as being movement-inhibited. The test was repeated three times. Table 9 shows the silicone used in the test and the test results.

  As shown in Table 9, spider movement was inhibited by 100% by applying silicone to the pipe. On the other hand, in the case of no treatment, spiders moved to the upper part of the pipe in all tests. From this result, it was considered that the smoothness of the coated part was increased by silicone and the spider could not climb, and it was confirmed that it was effective for preventing spider nesting.

<Test Example 9>
I found a spider's nest that lives under the eaves of the prefab building, and it was partially destroyed to the extent that spiders would not escape (Figure 3). Below the nest, a gardening rod made of vinyl chloride having a diameter of 1 cm and a length of 150 cm, in which 15 ml of a paraffinic solvent (neothiozole) solution (concentration 15 mg / ml) of alkylaralkyl-modified silicone was applied, was installed. One week later, spider nesting was confirmed.

  As a result, as shown in FIG. 4, the spider thread was not stretched at all on the stick to which silicone was applied, but the spider thread was stretched on the stick as well as under the eaves. From this result, it was confirmed that it was effective in preventing spider nesting even in actual use situations.

It is the schematic of the apparatus which tested the nesting activity inhibitory effect to a spider spider. It is the schematic of the apparatus which tested the control effect to a red spider spider. It is the schematic which showed the state of the spider's nest under the eaves and the nest after half-destruction. It is the schematic which showed the mode of the spider's web of the case where a silicone is processed, and the case of non-processing.

Claims (6)

  A spider nesting prevention aerosol comprising a stock solution containing a pest control agent and silicone, and a propellant.   The spider nesting prevention aerosol according to claim 1, wherein the content of the pest control agent in the stock solution is 0.3 to 3 mg / ml, and the content of silicone is 8 to 80 mg / ml.   The spray particle diameter is 10 to 100 µm, and the spider nesting prevention aerosol agent according to claim 1 or 2.   The spider nesting prevention aerosol according to any one of claims 1 to 3, wherein the pest control agent is a pyrethroid compound.   The spider nesting prevention aerosol according to any one of claims 1 to 4, wherein the silicone is silicone oil.   6. The spider according to claim 5, wherein the silicone oil is one or more selected from the group consisting of dimethyl silicone oil, alkyl aralkyl-modified silicone oil, amino-modified silicone oil, and silicone resin oil. Anti-nesting aerosol agent.