JP2000247804A - Granular repellent against termite and for controlling humidity, and usage thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent termites along with controlling humidity below the floor level of a house and preventing lumber below the floor level from being decayed. SOLUTION: The granular repellent against termites is prepared by making a solution where a termite-repelling active principle insoluble or difficulty soluble in water is dissolved in a glycol-based solvent or a solution where a termite- repelling active principle soluble or easily soluble in water is dissolved in a water soluble solvent supported with natural pumice comprising natural glass. This granular repellent against termites and for controlling humidity comprises a mixture of the granular repellent against termites with a humidity-controlling granular material ingredient comprising porous clay mineral. This usage is to apply the granular repellent against termites or the granular repellent against termites and for controlling humidity to control termites.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ant-control humectant having both termite control and humidity control, and more particularly, it is applied to a house floor or the like to reduce the rise in humidity and the accompanying dew condensation. It suppresses the decay of timber under the floor, and simultaneously controls termites that damage wooden houses.

[0002]

2. Description of the Related Art Termite control can be roughly divided into two types: a xylem treatment in which a chemical solution is applied to a xylem or the like to control termites and a soil treatment in which a chemical solution is sprayed and controlled under soil such as under the floor. Since the soil treatment method is performed in a small space under the floor, not only is the efficiency of pest control work poor, but also it is not preferable from the viewpoint of the health of workers. In order to improve these, a foaming construction method in which a drug is foamed and applied, and a method in which a granular material in which a drug is impregnated in a granular base material is sprayed under the floor have been proposed. However, in the method of controlling termites by spraying the termiticide granules under the floor, etc., depending on the termiticide active ingredients, decomposition of the active ingredients due to high humidity under the floor occurs, and sufficient effects may not be obtained. .

[0003] Japanese Patent Application Laid-Open No. 2-117602 discloses that a termiticide component in which a termiticide component is supported on a clay porous carrier and a humidity control component composed of clay porous particles such as sepiolite. A termite control agent comprising a mixture is disclosed, and Japanese Patent Publication No. 7-103004 discloses 2
Termite-controlling granules obtained by impregnating and supporting an organic phosphorus-based, carbamate-based or pyrethrin-based insecticide together with an aromatic petroleum solvent without using a surfactant on a porous granular carrier having a size in the range of 00 to 300 µm. Is disclosed.

[0004]

However, Japanese Patent Laid-Open No. 2-1
In the technique disclosed in Japanese Patent No. 17602, a termite controlling agent component containing a termiticide component and a humidity control component are mixed, but depending on the treatment method, the termite controlling agent component is biased and a uniform control layer is formed. In some cases, the technique disclosed in Japanese Patent Publication No. 7-103004 has problems in sustaining the effect and uniformity of the control layer when used in combination with a humidity control material.

[0005]

Means for Solving the Problems The present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, completed the present invention. The present invention provides a water-insoluble or sparingly soluble termite-controlling active ingredient. And a solution comprising a glycol-based solvent or a water-soluble or easily water-soluble termite-controlling active ingredient and a solution comprising an aqueous or water-soluble solvent supported on natural pumice made of natural glass, and the termite-controlling granule and porous The present invention relates to a termite-controlling moisture-granulating agent comprising a mixture with a humidity-controlling granule component comprising a quality humidity-controlling component and a method of using them.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION As the water-insoluble or hardly soluble termite-controlling active ingredient used in the present invention, pyrethroid compounds such as 1. Allethrin [dl-3-allyl-2-methyl-4-
Oxo-2-cyclopentenyl dl-cis, trans-chrysancemate], 2. 2. Etofenprox [2- (4-ethoxyphenyl) -2-methylpropyl 3-phenoxybenzyl ether]; Cycloprothrin [(RS) -α-cyano-3-phenoxybenzyl (RS) -2,2-dichloro-1-
(4-ethoxyphenyl) cyclopropanecarxylate], 4. Cyhalothrin [(RS) -α-cyano-3-phenoxybenzyl (Z)-(1RS, 3RS) -3- (2
-Chloro-3,3,3-trifluoropropenyl)-
2,2-dimethylcyclopropanecarboxylate],

[0007] 5. Cyfluthrin [(RS) -α-cyano-4-fluoro-3-phenoxybenzyl (1RS,
3RS)-(1RS, 3RS) -3- (2,2-dichlorovinyl-2,2-dimethylcyclopropanecarboxylate), 6. cypermethrin [(RS) -α-cyano-3-phenoxybenzyl (1RS, 3RS)-(1RS, 3S
R) -3- (2,2-Dichlorovinyl-2,2-dimethylcyclopropanecarboxylate), 7. pyrethrin, 8. tralomethrin [(S) -α-cyano-3-phenoxybenzyl (1R, 3S)- 2,2-dimethyl-3
-(1,2,2,2-tetrabromoethyl) cyclopropanecarboxylate], 9. Fenvalerate [(RS) -α-cyano-3-phenoxybenzyl (RS) -2- (4-chlorophenyl) -3-methylbutanoate],

[0008] 10. Fenpropatrin [(RS) -α
-Cyano-3-phenoxybenzyl 2,2,3,3-tetramethylcyclopropanecarboxylate]; Flucitrinate [(RS) -α-cyano-3-
11. phenoxybenzyl (S) -2- (4-difluoromethoxyphenyl) -3-methylbutyrate]; Permethrin [3-phenoxybenzyl (1R
12. S, 3RS)-(1RS, 3RS)-(2,2-dichlorovinyl) -2,2-dimethylcyclopropanecarboxylate], Bifenthrin [2-methylbiphenyl-3-ylmethyl (Z)-(1RS, 3RS) -3- (2-chloro-3,3,3-trifluoroprop-1-enyl)
-2,2-dimethylcyclopropanecarboxylate], 14. Silafluofen [(4-ethoxyphenyl)
[3- (3-phenoxy-4-fluorophenyl) propyl] (dimethyl) silane],

15. Resmethrin [5-benzyl-3-
16. furylmethyl dl-cis, trans-chrysancemate]; Tefluthrin [2,3,5,6-tetrafluoro-4-methylbenzyl- (1RS) -cis-3- (Z-
2-chloro-3,3,3-trifluoro-1-enyl)
-2,2-dimethylcyclopropanecarboxylate], 17. Acrinathrin [(S) -α-cyano-3-phenoxybenzyl (Z)-(1R, 3S) -2,2-dimethyl-3- [2- (2,2,2-trifluoro-1-
17. trifluoromethylethoxycarbonyl) vinyl] cyclopropanecarboxylate]; Praletrin [(RS) -2-methyl-4-oxo-3-prop-2-enylcyclopent-2-enyl (1RS) -cis-trans-2,2-dimethyl-3-
(2-methylprop-1-enyl) cyclopropanecarboxylate],

19. Cismethrin [5-benzyl-3-
Furylmethyl (1R) -trans-2,2-dimethyl-
3- (2-methylprop-1-enyl) cyclopropanecarboxylate], 20. d-phenothrin [3-phenoxybenzyl (1
RS) -cis-trans-2,2-dimethyl-3- (2
-Methylprop-1-enyl) cyclopropanecarboxylate], 21. 22. Deltamethrin [(S) -α-cyano-3-phenoxybenzyl (1R) -cis-3- (2,2-dibromovinyl) -2,2-dimethylcyclopropanecarboxylate]; Tetramethrin [cyclohex-1-ene-1,
2-dicarboximidomethyl (1RS, 3RS, 1R
23, S, 3SR) -2,2-dimethyl-3- (2-methylprop-enyl) cyclopropanecarboxylate], Pyrethroid compounds such as fluvalinate [(RS) -α-cyano-3-phenoxybenzyl N- (2-chloro-α, α, α-trifluoro-p-tolyl) -DL-valinate];

As the pyrrole compound, for example, 24. Examples of pyrrole-based compounds and pyrazole-based compounds such as chlorfenapyr [4-bromo-2- (4-chlorophenyl) -1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbonitrile] include 25. Fipronil [(±) -5-amino-1- (2,
6-dichloro-α, α, α-trifluoro-p-tolyl) -4-trifluoromethylsulfinylpyrazole-3-carbonitrile] and the like, and preferably a pyrethroid compound is used. Good to do. In the present invention, one or more compounds selected from these water-insoluble or hardly soluble termite-controlling active ingredients can be selected and used.

Next, chloronicotinyl compounds such as 26. 26. imidacloprid [1- (6-chloro-3-pyridylmethyl) -N-nitroimidazolidin-2-ylideneamine]; Nitenpyram [(E) -N- (6-chloro-3-
28. pyridylmethyl) -N-ethyl-N'-methyl-2-nitrovinylidenediamine; Acetamiprid [(E) -N ¹ -[(6-chloro-
3-pyridyl) methyl] -N ² - cyano -N ¹ - methyl acetamidine], 29. Examples thereof include chloronicotinyl compounds such as thiacloprid [[3-[(6-chloro-3-pyridinyl) methyl] -2-thiazolidinylidene] cyanamide].

In the present invention, one or more compounds selected from these water-soluble or water-soluble termite-controlling active ingredients can be selected and used. The water-insoluble or sparingly soluble termite-controlling active ingredient or the water-soluble or water-soluble termite-controlling active ingredient is termite-controlling granules 1
It can be contained in the range of 0.01 to 10 parts by weight based on 00 parts by weight. As the solvent for dissolving the water-insoluble or poorly soluble termite active ingredient, a glycol-based solvent is preferable,
For example, polyethylene glycol monomethyl ether, polyethylene glycol monophenyl ether, diethylene glycol 2-ethylhexyl ether and the like can be used, and these solvents can be used alone or as a mixture of two or more kinds. The water-insoluble or hardly soluble termite-controlling active ingredient may be appropriately selected and used in the range of 1 to 100 parts by weight based on 1 part by weight.

As a solvent for dissolving the water-soluble or easily water-soluble termite-controlling active ingredient, water, an alcoholic solvent such as methanol, ethanol and propanol or a nitrile-based solvent such as acetonitrile can be used. The solvent can be used alone or as a mixture of two or more kinds. The amount of the solvent used is appropriately selected from the range of 1 to 100 parts by weight per 1 part by weight of the water-soluble or water-soluble termite active ingredient. You can use it. As a carrier carrying the water-insoluble or poorly soluble termite-controlling active ingredient or the water-soluble or easily water-soluble termite-controlling active ingredient, use of natural pumice made of natural glass is preferable, and as the natural glass, for example, rhyolite natural glass, In addition to andesitic natural glass and the like, tuff and the like, which are pumice deposits containing natural glass, can also be used. As other components, for example, a surfactant, a binder, a coloring agent and the like can be blended as required.

The termite-controlling granules of the present invention can be produced by a conventional method for producing pesticides, for example, crushed granules of natural pumice,
A granulated material or the like is used as a particle base, and a water-insoluble or sparingly soluble termite-controlling active ingredient dissolved in a glycol-based solvent or a water-soluble or easily water-soluble termite-controlling active ingredient dissolved in an aqueous solvent is imprinted on the particle base. The particle size is not particularly limited, but may be in the range of 0.1 to 10 mm. Next, the porous moisture conditioning component used by mixing with the termiticide granules of the present invention may be selected from one or more clay minerals selected from zeolite, sepiolite, and attapulgite, and the clay mineral is crushed. Either granules or granules may be used, and the particle size is not particularly limited, but may be in the range of 0.1 to 30 mm.

In the present invention, when a water-insoluble or sparingly soluble termite-controlling active ingredient is used, a glycol solvent is used as a solvent. When a water-soluble or easily water-soluble termite-controlling active ingredient is used, an aqueous or water-soluble solvent is used as a solvent. By using natural pumice made of natural glass as a carrier, the termite-controlling active ingredient in the termite-controlling granule component migrates into the humidity-controlling granule component, which is a porous clay mineral selected from zeolite, sepiolite, and attapulgite. Thus, a uniform termite-controlling layer is formed without unevenness, and the desired termite-controlling and humidity-controlling effects are achieved. The compounding ratio of the termite control granule component and the humidity control granule component of the termite control moisture granule of the present invention is
1 to 50 parts by weight of moisturizing granule component per 1 part by weight of termite granule component
What is necessary is just to mix uniformly in the range of weight part, and the processing amount as a termite-controlling moisture granule may be selected from a range of 1 to 50 kg / m ² .

As one mode of use of the present invention, in a place where a termite component and a porous clay mineral such as zeolite, sepiolite, and attapulgite have been treated under the floor of a house or the like in advance for the purpose of controlling termite humidity, termite control is used. When the effects of the components decrease over time and the termite-controlling effect is no longer exhibited, by treating only one of the termite-controlling granules of the present invention again, the termite-controlling active component in the termite-controlling granule component is treated. Migrates into the moisture conditioning granule components such as zeolite, sepiolite, and attapulgite, and exerts the effect again. In addition, in existing houses and the like in which only tempered granule components such as zeolite, sepiolite, and attapulgite are treated in advance, the effect of preventing decay of wood and the effect of controlling indirect Yamato termites can be expected, but the effect of controlling termites cannot be expected. It is possible to impart a controlling effect on termites including house termites by newly treating the termite-controlling granules of the present invention under the floor of such a house on the already-treated humidity control granules. The processing amount may be selected from the range of 0.1 to 10 kg / m ² .

[0018]

The present invention will now be described by way of representative examples and test examples, but the present invention is not limited thereto.
In Examples, “parts” means “parts by weight”.

Embodiment 1 Production of termite granules Bifenthrin 0.15 parts Colorant (oil clean # 201, manufactured by Chuo Gosei Kagaku Co., Ltd.) 0.02 parts Diethylene glycol 2-ethylhexyl ether 8.83 parts Rocky natural pumice grain base material (Kagalite No. 0, manufactured by Kagalite Industry Co., Ltd.) 91.0
And dried to obtain termite-control granules. Examples 2 and 3. It was manufactured with the components shown in Table 1.

[0020]

Embodiment 4 Manufacture of termite granules Imidacloprid 0.50 parts Water 5.00 parts Methanol 2.00 parts Nonionic surfactant 2.00 parts The above components are uniformly mixed and dissolved, and the base material of rhyolite natural pumice ( (Kagalite 0, manufactured by Kagalite Industry Co., Ltd.) 90.5
And dried to obtain termite-control granules.

Embodiment 5 FIG. Production of Termite-control Wet Granules 86 parts of crushed zeolite particles were uniformly mixed with 14 parts of the termite-control granules obtained in Example 1 to obtain termite-control moisture granules. Embodiment 6 FIG. Production of Termite-control Wet Granules 80 parts of crushed sepiolite granules were uniformly mixed with 20 parts of the termite-control granules obtained in Example 1 to obtain termite-control moisture granules.

Embodiment 7 FIG. Production of Termite-control Wet Granules 90 parts of crushed attapulgite grains were uniformly mixed with 10 parts of the termite-control granules obtained in Example 1 to obtain termite-control moisture granules. Embodiment 8 FIG. Production of Termite-control Wet Granules 86 parts of crushed zeolite particles were uniformly mixed with 14 parts of the termite-control granules obtained in Example 4 to obtain termite-control moisture granules.

Embodiment 9 FIG. Production of Termite-control Wet Granules 80 parts of crushed sepiolite granules were uniformly mixed with 20 parts of the termite-control granules obtained in Example 4 to obtain termite-control moisture granules. Embodiment 10 FIG. Production of Termite-control Wet Granules 90 parts of crushed attapulgite granules were uniformly mixed with 10 parts of the termite-control granules obtained in Example 4 to obtain termite-control moisture granules.

Comparative Examples 1 to 7 In the same manner as in Example 1 except that the glycol-based solvent was replaced with another solvent, it was prepared with the components shown in Table 2.

[0026]

[0027]

Comparative Examples 7 to 12 86 parts of crushed zeolite granules were uniformly mixed with 14 parts of the termite-control granules obtained in Comparative Examples 1 to 6 to obtain termite-controlling moisture granules. Test Example 1 Termite control effect 320g (10% moisture) of mountain soil is packed in a 300ml disposable beaker with 16 small holes (3.2mm) on the bottom.
Example 5 on the surface (φ7.5 cm = 44.18 cm ² )
10 and the granules of Comparative Examples 7 to 12 were granulated (termite control granules 1.
5 kg / m ² + 9.5 kg / m ² equivalent of moisture conditioning granule component)
After placing a piece of wood (1 × 1 × 2 cm) on top of it, place it in a 1 L (liter) disposable beaker lined with 50 g of mountain soil (20% moisture) and place the termites (1000 craft ants + soldier) in a 1 L beaker. (100 ants) were released and capped. In the untreated section, the humidity control component was used alone. 1 ward 2-3 consolidation

Eight days after the release of the insects, the penetration inhibition rate (%) was compared with that of the untreated plot, and after 21 days, the damage of the wood chips was examined. Judgment criteria: ◎ Completely prevent penetration and damage. ○ Penetration cannot be prevented, but damage is suppressed × There is penetration and damage. Food damage-no food damage + to ++++ food damage (small to large) The results are shown in Table 3.

[0030]

Test Example 2 Residual activity against termites Termite-controlling moist granules of Examples 5, 6, 8, 9 and Comparative Example 8 were placed under the following conditions, and the same as Test Example 1 was carried out.
Investigation was performed 24 weeks later, and judgment was made based on the criteria of Test Example 1. Condition: 1 ... Drying condition at 50 ° C 2 ... 50 ° C and 100% humidity condition (condensation condition) 3 ... 100% humidity condition at 50 ° C for 3 days and 75% humidity condition at the same temperature 1 Table 4 shows the results of cycle repetition (acceleration conditions assuming moisture absorption and desorption under the floor).

[0032] Note: * indicates the number of weeks.

Test Example 3 The transfer ratio of the active ingredient from the termiticide granule to the moisture-controlling granule component and the termite-controlling activity. ) Below, after 1, 3, 5 and 9 weeks, the residual ratio of the active ingredient (termite-controlling agent and moisture-absorbing granule component) and termite-controlling activity were determined in the same manner as in Test Example 1. Table 5 shows the results.

[0034]

[0035] Note: Comparative example 13 uses tobermorite as the termite-controlling granule and moisture-controlling granule component of Comparative Example 6, and Comparative Example 14 uses silica gel and coal ash as the termite-controlling granule and moisture-controlling granule component of Comparative Example 6. (Mixture of 4: 6) was used.

Test Example 4 Termite control activity by additional application of termite control granules A moisture-controlling granule component (equivalent to 10 kg / m ² ) is provided in a test container in advance, and the termite control granules of Example 1 or 4 are sprayed thereon (1. (Equivalent to 5 kg / m ² ), and the test section was provided with a section where the mixture was allowed to stand as it was and a section where the termite-controlling granules were mixed under the moisture-controlling granule component, and a piece of wood was placed thereon. Then one week 2
After placing in a constant temperature room at 8 ° C. to allow the components to transfer, 500 termite termites and 50 soldiers were released. 21 days after release, penetration inhibition rate was determined in the same manner as in Test Example 1,
A judgment was made based on the degree of damage and the above criteria. The results are shown in Table 6.

[0037]

Claims (9)

[Claims] 1. A termite-controlling granule, wherein a solution comprising a water-insoluble or sparingly-soluble termite-controlling active ingredient and a glycol-based solvent is supported on natural pumice made of natural glass. 2. The termite-controlling granule according to claim 1, wherein the glycol solvent is at least one glycol solvent selected from polyethylene glycol monomethyl ether, polyethylene glycol monophenyl ether, and diethylene glycol 2-ethylhexyl ether. 3. A termite-controlling granule characterized in that a solution comprising a water-soluble or easily water-soluble termite-controlling active ingredient and an aqueous or water-soluble solvent is carried on natural pumice made of natural glass. 4. The termite-controlling granule according to claim 3, wherein the aqueous or water-soluble solvent is water, an alcohol-based solvent or a nitrile-based solvent. 5. A termite-controlling moisture granule comprising a mixture of the termite-controlling granule according to claim 1 and a moisture-controlling granule component comprising a porous clay mineral. 6. The termite-controlling moisture-granulating agent according to claim 5, wherein the humidity-controlling granule component is at least one porous clay mineral selected from zeolite, sepiolite or attapulgite. 7. The termite-controlling moisture granule according to claim 6, wherein the moisture-controlling granule component is mixed in an amount of 1 to 20 parts by weight with respect to 1 part by weight of the termite-controlling granule. 8. A method for using a termite-controlling moisture granule, comprising treating an effective amount of the termiticulation-controlling moisture granule according to claim 5 in a place such as under a floor where termites are expected to be generated. 9. An effective amount of the termite-controlling granule according to claim 1 or 3, which is treated in advance in a place where occurrence of termites is predicted, such as under a floor, which has been treated with a moisture-conditioning granule component. How to use termite granules.