JPS61152603A - Transpiring agent for expelling cockroach - Google Patents

Abstract

PURPOSE:The titled transpiring agent to expel cockroaches through growth inhibition or sterilization, obtained by supporting ethyl (2E,4E)-3,7,11-trimethyl-2,4- dodecadienoate on a carrier. CONSTITUTION:Ethyl(2E,4E)-3,7,11-trimethyl-2,4-dodecadienoate(hydro-pr ene) as a active component is optionally blended with an insecticide, a fungicide, a stabilizer, a solvent a volatility adjustor, perfume, a hyestuff, etc., and supported on a carrier, to give the titled transpiring agent. Hydroprene has no immediate effect which an insecticide has, but it inhibits growth of larvae, so cockroaches show appearance of crimping and shortening of feathers, etc., when they become imagoes. These cockroaches are sterilized and do not multi ply. Hydroprene is also effective against cockroaches resistant to existing insecti cide such as chlorine type, organic phosphorous type, pyrethroid type, etc.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a transpiration agent for exterminating cockroaches.

In more detail, ethyl (2E, 4E)-3,7,11
- Trimethyl-2,4-dodecadienoate (hereinafter referred to as hydroprene) is used as an active ingredient, and insecticides, fungicides, stabilizers, solvents, volatility regulators, fragrances, pigments, etc. are added as necessary, This invention relates to a cockroach exterminating transpiration agent supported on a carrier.

[Prior Art] Conventionally, insecticides that are used after 11N or fumigation have been widely used as cockroach exterminators.

[Problems to be solved by the invention] Although the extermination of cockroaches using insecticides has an immediate effect, the residual effect is weak, and it is difficult to reduce the number of cockroaches over a long period of three months or more with a single treatment. Inevitably, the number of times insecticides are used increases, necessitating great labor and economic burden.

However, frequent use of insecticides risks increasing the resistance of cockroaches, so it is desirable to use insecticides as few times as possible.

In addition, many insecticides are associated with pollution and unpleasant odors, and the places where they can be used are usually severely limited.

[Means for solving the problem table] As a result of repeated studies on various drugs in order to eliminate these problems, the present inventors have discovered that hydrobrene, which has a growth inhibiting effect and a sterilizing effect on cockroaches, has been developed. I came to pay attention to it.

Although hydroprene does not have the same immediate effect as insecticides, cockroach larvae treated with hydroprene have their growth suppressed, and even when they become adults, their wings appear curly and short, and they molt. In some cases, failure may result in death. Additionally, adult cockroaches whose wings are curled to less than half their normal size, or who have no wings at all, are sterile and cannot produce children even if they mate with normal cockroaches.

Hydroprene is also effective against cockroaches that are resistant to conventional insecticides such as chlorine, organophosphate and/or pyrethroids.

Emulsions, oils, aerosols, etc. are known as formulations containing hydroprene, but all of these are effective when they come into contact with cockroaches.
There are no known transpiration agents for killing cockroaches that contain hydroprene.

As a result of examining various formulations containing hydroprene as an active ingredient, the present inventors found that hydroprene is sufficiently effective against cockroaches by natural transpiration, despite its low vapor pressure. The present invention has now been completed.

In other words, the present invention can be easily used by simply hanging the carrier carrying hydroprene on the ceiling of a room or placing it in a cupboard or drawer, and there is no contamination or unpleasant odor, and it can be installed only once. The present invention relates to a transpiration agent for exterminating cockroaches that can inhibit the growth of cockroaches or exterminate cockroaches by sterilizing them over a long period of six months to one year.

[Example] In the present invention, a transpiration agent for exterminating cockroaches is produced by supporting hydroprene on a carrier.

Examples of carriers used in the present invention include paper, glass wool, pulp, asbestos, fibers such as synthetic fibers and natural fibers, synthetic resins such as vinyl chloride, polyethylene, polyethylene foam, polypropylene, and urethane, natural rubber,
Rubbers such as silicone rubber, pyton rubber, neorene rubber, organic powders and granules such as wood flour and activated carbon, silica gel, alumina, diatomaceous earth, perlite, vermiculite, zeolite, clay, acid clay, powdered silicic acid (
Examples include inorganic powders such as (trade name: Aerosil), granular materials J porous inorganic sintered bodies, porous ceramics, etc., or products molded from them, and these can be used alone or in combination. When forming a carrier using the above-mentioned cones, a binder such as starch, methylcellulose, sodium carboxymethylcellulose (C)fc-Na), or hydroxypropylcellulose may be added as necessary and molded into any shape. It's okay.

As a method for supporting hydroprene on the carrier,
For example, hydroprene as it is or diluted with a solvent may be adsorbed by mixing with a carrier, or may be supported by being adsorbed or impregnated by being sprinkled on the carrier, or by immersing the carrier in hydroprene or its diluted solution and impregnating it. Alternatively, the carrier may be formed and supported in the presence of hydroprene.

The amount of hydroprene supported on the carrier cannot be determined unconditionally because it varies depending on the type of carrier, but it is preferably 0.1 to 5 parts by weight per 100 parts (parts by weight, same hereinafter) of the carrier.
0 parts, preferably O,S to 30 parts.

When supporting hydroprene on a carrier, (R3)-(E)-1-
ethynyl-2-methyl-2-pentenyl-(IR)-cis, trans-chrysanthemate (hereinafter referred to as empensuline), 0.0-dimethyl-0-(2,2-dichloro)vinyl phosphate (hereinafter referred to as DDVP) ), highly transpiring insecticides such as Kanochlorotoxylenol, α
- Highly transpirable fungicides such as bromocinnamic aldehyde, stabilizers such as 2,6-di-t-butyl-cresol, 2,2'-methylenebis(4-ethyl-6-t-
butylphenol), 4,4'-butylidene bis(3
-methyl-6-t-butylphenol), antioxidants such as 2,2-methylenebis(4-methyl-6-t-butylphenol), isopropyl myristate, isopropyl palmitate, which are solvents to facilitate impregnation, hexyl laurate, fatty acid ester, kerosene,
Paraffin-based organic solvents, octyldodecyl myristate, octyldodecyl oleate, butyl stearate, butyl oleate, butyl balmitate, diethylene glycol distearate, dibutyl fumarate, dibutyl maleate, monoglycerin, etc. Plasticizers such as oleate, 2-ethylhexyl-p-hydroxybenzoate, methyl acetyl ricinoleate, di-2-ethylhexyl sebacate, epoxidized soybean oil, phthalate plasticizers, epoxy plasticizers, polyester plasticizers, If necessary, fragrances, pigments, etc. may also be used in combination.

The cockroach extermination transpiration agent of the present invention produced in this way has a hydroprene content of o per TrL3 when used.
, ia, g or more, preferably L<G; t 1. It is better to use it on OqQ.

In the present invention, by supporting hydroprene on a carrier and making it into a transpiration agent, a transpiration agent for exterminating cockroaches that is easy to use, free from contamination and unpleasant odor, and maintains its effectiveness for a long period of time can be obtained.

Next, the cockroach exterminating transpiration agent of the present invention will be explained based on Examples.

Example 1 10 parts of hydroprene, 2,6-di-t-butyl-p-
75X 1 g of a mixture of 1 part cresol and 89 parts kerosene
A 150 x 0.3 m paper was impregnated and sealed with an aluminum laminate film to obtain a transpiration agent.

Example 2 2 g of a mixture of 2 parts of hydroprene, 0.2 parts of 2,2-methylenebis(4-ethyl-6-t-butylphenol), 97.1 parts of octyldodecyl myristate, and 0.1 part of fragrance was added to 5 to 9 Adsorbed onto mesh granular silica gel, 6
The mixture was placed in a nonwoven fabric bag measuring 9 cm x 9 cm, and the bag was sealed with an aluminum laminated film to obtain a transpiration agent.

Example 3 5 parts of hydroprene, 0.5 parts of 2,6-di-t-butyl-p-cresol, 50 parts of isopropyl myristate,
1 g of a mixture consisting of 44 parts of butyl stearate and 0.5 parts of fragrance was prepared at 50 x 80 x 2 an, density 0.0299/
A transpiration agent was obtained by impregnating a foamed polyethylene board of CTX' and sealing it with an aluminum laminate film.

Example 4 5 parts of hydroprene, 0.5 part of 2,6-di-t-butyl-p-cresol, 93.5 parts of isopropyl myristate
35 x 22 x 100q of a mixture consisting of
A transpiration agent was obtained by impregnating a pulp mat of No. 3711111 and sealing it with an aluminum laminate film.

Example 5 1 part of hydroprene, 0.3 part of 4,4-butylidenebis(3-methyl-6-t-butylphenol), 40 parts of wood flour
part, perlite 53.3 parts, pigment 0.1 part, fragrance 0.3 parts
and 5 parts of CHC-Ha, water was added and kneaded to prepare granules having a diameter of about 1.2#1I11 by a conventional method.

10 g of the granules were placed in a 5 x 5 cut nonwoven fabric bag and sealed with an aluminum laminated film to obtain a transpiration agent.

Example 6 A mixture 11001r1 consisting of 10 parts of hydroprene, 5 parts of DOVP, 1 part of 2,6-di-t-butyl-p-cresol, and 84 parts of isopropyl myristate was heated at 30X
A transpiration agent was obtained by impregnating a 3mm paper with 30X O and sealing it with an aluminum laminate film.

Example 7 5 parts of hydroprene, 10 parts of Empensuline, 2.2°
- 200 rIPg of a mixture consisting of 0.5 part of methylenebis(4-methyl-6-t-butylphenol) and 84.5 parts of isopropyl myristate in 50 x 40 x 5 All.

A foamed polyethylene plate with a density of 0.021 g/CI& was impregnated with the mixture and sealed with an aluminum laminate film to obtain a transpiration agent.

Example 8 and Comparative Example 1 The transpiration agent obtained in Example 1 was taken out from an aluminum laminate film and placed in an 8-tatami space (3.6 x 3.6 x 2.7 m).
Five of them were hung from the ceiling. Next, a polycup (φ12cm
6cI11) was placed and sealed for 1 day, 2 days, and 4 days, respectively, and then taken out and transferred to another solstice at 25°C.
The insects were fed continuously until they became adults, and the mortality rate and sterilization rate due to failure to molt were determined. The sterilization rate is determined by calculating the deformity score of adult cockroaches according to Table 1.
Those with a malformation score of 3 or higher were considered sterile insects. The results are shown in Table 2.

In addition, to check for contamination, a glass plate was placed on the bottom of the container and after it was left for four days, the glass plate was checked for contamination and unpleasant odors. As a result, no contamination or unpleasant odor was observed.

For comparison, a commercially available ignited smoke agent (309 cylinders) containing 5% permethrin was used in the same room, and when the glass plate was taken out after 3 hours, it was noticeably contaminated with a yellowish brown color and a pungent odor was felt. Ta.

[Margins below] Table 2 Example 9 The transpiration agent obtained in Example 4 was taken out from the aluminum laminate film and placed in a 33X37X 10cI container in a cupboard.
I put it in R's drawer. Next, 3 polycups containing 20 German cockroach larvae of 4 to 5 instars were placed, each was taken out after 8, 16, and 24 hours and transferred to another chamber at 25°C, where they were continuously reared until they became adults. The mortality rate and sterilization rate due to failure to molt were calculated. The sterilization rate was examined in the same manner as in Example 8. The results are shown in Table 3.

Table 3 Example 10 and Comparative Example 2 Food, water, and a filter paper shelter were placed in a 445 x 356 x 230 m plastic container, and 50 adult German cockroaches (male:female = 1:1) and 300 larvae were placed therein. Next, the transpiration agent obtained in Example 6 was taken out from the aluminum laminate film, hung so as not to come into contact with the cockroaches, covered with gauze, and reared in a room at 25°C. The number of cockroaches was examined after the first month and after the 9th month. The results are shown in Table 4.

For a comparative example, 100 μ of a mixture consisting of 5 parts of DDVP, 1 part of 2,6-di-t-butyl-p-cresol, and 94 parts of isopropyl myristate was heated at 30×30× O,3
A transpiration agent produced by impregnating paper No. M and sealed with an aluminum laminate film was used in place of the evaporation agent obtained in Example 6, and the number of cockroaches was investigated in the same manner as above. The results are also shown in Table 4.

[Effect of the invention] The cockroach exterminating transpiration agent of the present invention can be hung on the ceiling,
It can be used simply by placing it in a cupboard or drawer, has no pollution or unpleasant odors, and can inhibit the growth of cockroaches for a long period of 6 months to 1 year with a single installation. Cockroaches can be exterminated by chlorination.

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Claims (1)

[Claims] 1 A transpiration agent for exterminating cockroaches comprising ethyl (2E, 4E)-3,7,11-trimethyl-2,4-dodecadienoate supported on a carrier.