JPH01160903A - Insecticide composition - Google Patents

Abstract

PURPOSE:To obtain an insecticide composition having improved durability of repelling effects on insect pests, capable of showing repelling effects on insect pests for a long period of time, by using both an insecticidal substance and a resin component having a butadiene chain in the molecular structure. CONSTITUTION:(A) 100 pts.wt. one or more resin components containing a polybutadiene chain in the molecular structure is blended with (B) 1-80 pts.wt., preferably 10-60 pts.wt. one or more insecticidal substances selected from preferably 2,3,4,5-bis( 2-butylene)-tetrahydrofurfural, di-n-propyl- isocinchomeronate, NA.N-diethyl-m-toluamide, di-n-butylsuccinate and 2- hydroxyethyloctyl sulfide as essential compositions to give an insecticide composition capable of continuously exhibiting initial repelling effects on insects pests such as mosquitoes, fleas, bedbugs, biting flies or cockroaches for an extremely long period of time.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an insect repellent composition, and more particularly to a repellent composition that can exhibit an excellent repellent effect for a long period of time.

Conventional techniques and their problems Various substances are known that have repellent effects against insects, including N,N-diethyl-m-toluamide, but these only target mosquitoes, fleas, and bed bugs.

It is only used as a repellent for human and livestock pests such as stable flies.

The present inventor has conducted various studies aimed at exterminating various sanitary pests including cockroaches.

In the process, we focused on substances that have various insect repellent effects, including diethyl-m-toluamide, and prepared various chemicals in the form of suitable solutions, and applied them to the walls and shelves of storage furniture. When applied and tested for its effectiveness, it was found that the dialysis of cockroaches on these pieces of furniture and the inhabitation of cockroaches within these pieces of furniture were significantly suppressed. However, in subsequent tests, it was found that these insect-repelling substances had a fatal drawback in that the previously observed cockroach-repelling effect was lost in just a few days when applied by application as in the above test. It turned out that it was not practical in this form.

Means for Solving the Problems With this fact in mind, the inventor of the present invention has conducted further research and found that when a substance having an insect repellent effect as described above is used in combination with a specific resin, a surprising result has been discovered. In particular, we have found that the initial repellent effect can be sustained over an extremely long period of time. The present invention was completed based on this new knowledge, and relates to an insect repellent composition characterized by containing at least one resin component and at least one insect repellent substance.

The insect repellent composition of the present invention is basically used in the form of a suitable solution or dispersion, and is used in places where insect repellent properties, especially pest repellent effects, are required, such as walls of furniture, shelves, walls of houses, etc. It is used by applying or impregnating it on floors, etc. Specifically, it is put to practical use in the form of paint, adhesive, putty, impregnated sheet, etc. That is, in such a material, the film formed by natural drying, heat drying, or hardening reaction exhibits an extremely excellent long-lasting pest repellent effect.

Although the reason why such an effect is achieved in the present invention has not yet been completely elucidated, it is presumed to be due to the sustained release effect of the insect repellent substance based on the interaction of the constituent components of the composition. Therefore, the composition of the present invention may be used in the form of a paint, adhesive, putty, sheet, etc. by painting, pasting, spreading, etc. on the desired location.

Further, a house may be constructed of furniture, building materials, etc. manufactured using the composition of the present invention.

The insect repellent substance used in the present invention, particularly the pest repellent, is not particularly limited, and various known substances can be used. The present invention was originally completed with the focus on insect repellency, especially insect repellency, but as a result of subsequent research, it was found that general insect repellents including insecticides can also be repelled if conditions are appropriately selected. It was found that a sustained release effect similar to that of the drug was obtained.

Therefore, in the present invention, not only insect repellents but also these general insect repellents can be used as needed.

The blending ratio of the insect repellent substance to 100 parts by weight of the resin component is determined based on the desired sustained release characteristics, the compatibility between the resin and the drug used,
Although it may vary depending on various combinations in relation to resin curability etc., it is usually about 1 to 80 parts by weight, preferably 10 to 80 parts by weight.
About 60 parts by weight is used.

Examples of insect repellent substances used in the present invention are as shown below.

■ Repellent N,N-diethyl-m-toluamide N,N-dialkyl (C number, 1.3.4) Toluamide dialkyl (C number 1-4) Phthalate dialkyl (C number 1-4) Succinate di-n- Propyl-isocincomeronate 2.3,4.5-bis-(Δ
2-Butylene) Tetrahydrofurfural 2-Hydroxyethyloctylsulfide Dioctylphthalate Didodecylphthalate Dialkyl (1-4 C) Fumarate Alkyl (1-4 C) Salicylate 1-Hexanoylpipecoline N-Butylacetanilide 2-ethyl- 1,3-hexanediol dimethylcarbate ■ Other insect repellents A Pyrethroid pyrethrin, allethrin, phthalthrin, resmethrin, permethrin, phenothrin, flamethrin 1-ethynyl-2-methyl-2-pentenyl-2,2-
Dimethyl-3-(2'-methyl-1'-propenyl)
-cyclopropane-1-carboxylate 1-ethynyl-2-methyl-2-pentenyl-2,2-
Dimethyl-3-(2'-methoxycarbonyl-1'-
propenyl)-cyclopropane-1-carboxylate 1-ethynyl-2-methyl-2-pentenyl-2,2,
3,3-tetramethylcyclopropane-1-carboxylate 1-ethynyl-2-methyl-2-pentenyl-2,2-
Dimethyl-3-(2',2'-dichlorovinyl)-
Cyclopropane-1-carboxylate B Organophosphorous dimethyl-2,2-dichlorovinyl phosphate 2-isopropyl-4-methylpyrimidyl-6-ethylthiophosphate 0.0-diethyl-〇-(3-methyl-4- ditrophenyl) thiophosphate 0.0-diethyl-〇-(3-oxo-2-phenyl-
2H-pyridazin-6-yl) phosphate C Carbamate propoxal, 1-naphthyl-N-methyl-carbamate D Ether di(polychloroalkyl)ether E Pyrethroid synergist piperonyl butoxide, propyl item, piperonal Dimethyl acetal The resin component used in the present invention has polybutadiene chains in its constituent resin molecules. Examples of these modified resins include urethane modified resin systems, maleic acid modified resin systems, acrylic modified resin systems, epoxy modified resin systems, and ester modified resin systems. When combining the insect repellent used in the present invention with urethane resin, maleic acid resin, acrylic resin, epoxy resin, or polyester resin, which can be said to be the prototype of these modified resins, the dispersion rate of the insect repellent may be too fast or vice versa. In practice, it is difficult to obtain the desired insect repellent effect because it is too slow, or the properties of the resin are impaired, or curing failure occurs.

On the other hand, when the resin layer having polybutadiene chains of the present invention and an insect repellent (particularly an insect repellent) are used together, physical and chemical properties such as hardness, texture, gloss, water resistance, and chemical resistance are A stable resin layer is formed without impairing its physical properties, and the dispersion of the insect repellent substance, which is the most remarkable effect of the present invention, is extremely appropriately controlled.

Tests have confirmed that sustained release and other effects are common to all of the insect repellents exemplified herein, but in particular N,N-diethyl-m=toluamide, 1-ethynyl- 2-Methyl-2-pentenyl-2,2-dimethyl-3-(2'-methoxycarbonyl-1'-propenyl)-cyclopropane-1-carboxylate showed the optimum value. The optimal value here refers to the sustained release characteristic in that the minimum volatilization amount necessary to exhibit insect repellent performance can be constantly maintained for a long period of time, and the optimum value is the minimum required volatilization rate specific to each insect repellent substance. It depends on the

In the composition of the present invention, the following substances can also be optionally used in combination as auxiliaries.

(Antibacterial and fungicidal agents) Benzoic acid, sorbic acid, α-promosinamoaldehyde,
Parachloromethylenol, thiophanate, triazine, taconil, imidazole, sodium trichlorophenol, benzimidazole, tetrachloroisophthalonitrile, 2-methoxycarbonylaminobenzimidazole (fragrance/deodorant) linalool, geraniol, citral, citronellal, cinnamo alcohol , limonene, cineole, vanillin, Sarial, rosephenone, plant extracts (antioxidants), BIT, tocopherol, triphenyl phosphite, butylated hydroxyanisole, distearyl thiodipropionate, phenyl diisodecyl phosphite (rust preventive) agent) Benzotriazole, tolyltriazole, 3-methyl-5-pyrazolone, benzotriazole-1-carboxylic acid (flame retardant) ammonium phosphate, tricresyl phosphate, triethyl phosphate, tetrabromobisphenol A (surfactant) Polyoxy Ethylene type, sorbitan type, alkylaryl ether type, alkyl phosphoric acid type (dimensional stabilizer) Polyethylene glycol of various molecular weights, polypropylene glycol of various molecular weights, polyvinyl alcohol (ultraviolet absorber) 2.4-Dihydroxybenzophenone 2-hydroxy- 4-methoxybenzophenone 2.2'
-dihydroxy-4,4'-methoxybenzophenone 2-hydroxy-4-methoxy-5-sulfobenzophenone phenyl salicylate P -tert-butylphenyl salicylate 2- (
2'-hydroxy-5'-methylphenyl)-benzotriazole 2-ethylhexyl-2-cyano-3,3'-diphenylacrylate (organic solvent) acetone, toluene, xylene, methanol, ethanol, propatool, butanol, Ethyl acetate, butyl acetate, dimethyl ether, diethyl ether, n-hexane, cyclohexane, methyl ethyl ketone, methyl isobutyl ketone, methylene chloride, trichloroethylene, methyl cellosolve, ethyl cellosolve, butyl cellosolve, ethylene glycol monomethyl acetate,
Acetate ethylene glycol monoethyl ester, diethylene glycol monobutyl ether acetate resin component 1
The addition ratio (heavy metal part) of the auxiliary agent to 00 parts by weight is not particularly limited, but is usually as follows. Note that the value in parentheses indicates a suitable range.

Antibacterial and antifungal agents 0.05-10 (0,1-5) Fragrances and deodorants 0.05-20 (0,1-5) Antioxidants
0.1~20 (0.5~5) Rust preventive agent 0.1~30 (
1-25) Flame retardant 1-90 (10-80) Dimensional stabilizer
10-95 (20-90) Ultraviolet absorber 0.05-2
0 (0,1-5) Pyrethroid synergist 1 to 30 times the amount of pyrethroid When using the composition of the present invention in each of the above forms, there is no particular restriction on the method of applying it, such as brush coating, spray coating, flow coating. Any of coating, roll coater coating and dip impregnation can be used. Further, the material of the surface to be coated is not particularly limited, and may be any of wood materials, paper, cloth, metal, glass, plastic, concrete, calcium silicate board, mortar, gypsum board, asbestos slate, etc.

Particularly in the case of wood, products on which the above coating has been formed can be advantageously used as furniture components, building materials, etc. Products made of these materials most effectively realize the long-term insect repellency that is the objective of the present invention. It is something to do. As mentioned above, the composition of the present invention can be used by holding it on a sheet-like base material, or by forming it into a sheet alone and placing it at a desired location. When using the base material as a carrier, for example, paper, cloth, nonwoven fabric, cotton, glass wool, pressed felt, polyethylene, polypropylene, nylon, polyvinyl chloride, polyvinylidene chloride, synthetic resin sheets such as polyester, asbestos, cork, metal, etc. For example, a mixture thereof, a laminate, a mixture of powder and fiber, a laminate with metal foil or metal plate, etc. can also be used. The composition of the present invention can be retained on these base carriers by various commonly used methods. The thus obtained sheet-like product holding the composition of the present invention is used in the intended location, for example, by hanging it inside furniture, laying it on a drawer or shelf, on the floor, or pasting it on a wall. The desired long-lasting insect repellent (pest repellent) effect can be achieved.

As one of the forms of use of the composition of the present invention, if a longer period of effect is required, the composition may be impregnated, kneaded,
A coating layer may be formed on the surface of the carrier held by other means.

Specifically, for example, a method of painting a material impregnated with an insect repellent substance with a paint based on the composition of the present invention, and a method of painting a material (veneer or paper with an adhesive) based on the composition of the present invention in a similar example. Examples include a pasting method and a method of covering with a film based on the composition of the present invention.

Effects of the Invention According to the composition of the present invention, for example, it is possible to eliminate the house space where sanitary pests such as cockroaches live, and it is also possible to prevent cockroaches from entering food acquisition areas such as the kitchen. You can eradicate cockroaches. Therefore, it is possible to prevent contamination by pathogens transmitted by pests such as mosquitoes, fleas, bed bugs, stable flies, and cockroaches, and to provide a cleaner environment, so its practical value is extremely great.

EXAMPLES Hereinafter, examples will be shown to explain the present invention in more detail. In addition, in the following, "parts" indicate parts by weight.

Example 1 Each constituent component was blended according to the formulation shown in Table 1 to obtain a composition of the present invention. Compositions were also prepared in the same manner for the comparative examples listed in the same table.

These compositions were subjected to the following long-term sustainability test and repellent efficacy test.

(Long-term sustainability test) The above-obtained composition samples of the present invention were applied to one side of a stainless steel test piece (150 cm2) at a concentration of 3 mg/cm2 (as shown in Table 2). Each test specimen was created using the following methods. Next, this test specimen was heated to 20°C.
Leave it open at the bottom, and periodically remove it by 10cm from the date of creation.
Each sample was cut and collected, and each was extracted with acetone according to a conventional method.The remaining insect repellent substance was quantified by gas chromatography, and the percentage of the remaining amount was determined, taking the initial amount at the time of preparation as 100. Results for comparative examples are also listed.

While all of the compositions of the present invention exhibit outstanding long-term sustainability, in the case of the comparative examples, volatilization ends in an extremely short period of time, and it is clear that the sustainability is significantly inferior. .

Table 2 (Repellent Efficacy Test) The compositions of the present invention prepared in the examples were subjected to a biological test using the German cockroach in order to determine the degree of their pest repellent effect.

As shown in Figure 1, internal dimensions 300mm x 300m x 50
A plywood box with an internal entrance dimension of 300 mm x 50 mm was made, and plates coated with the composition of the same formulation as those prepared in the long-term sustainability test were attached to five of its inner walls. The test boxes for each formulation thus prepared were placed in a breeding case in which 500 German cockroaches were kept, and the number of invading residents in the test box 24 hours later was counted. Note that an untreated test box was used as a blank.

Table 3 shows the results of conducting such repellent tests periodically and investigating the sustainability of the repellent effect over a long period of time. As seen in this table, it is clear that the composition of the present invention maintains its repellent effect effectively over a long period of time.

Table 3 0=OX=1~4 xx=5~9 xxx=10 or more

[Brief explanation of the drawing]

FIG. 1 is a diagram showing an outline of a test box used in a repellent efficacy test using the composition of the present invention. (That's all) Figure 1

Claims (4)

[Claims] (1) An insect repellent composition containing at least one resin component and at least one insect repellent substance. (2) The composition according to claim 1, wherein the resin component has a polybutadiene chain in its molecular structure. (3) The insect repellent substance is 2,3,4,5-bis(Δ_2-
butylene)-tetrahydrofurfural, di-n-propyl-isocincomeronate, N,N-diethyl-m-
The composition according to claim 1, characterized in that it is at least one of toluamide, di-n-butyl succinate, and 2-hydroxyethyloctylsulfide. (4) 1 to 8 parts of insect repellent substance per 100 parts by weight of resin component
A composition according to claim 1, characterized in that it contains 0 parts by weight.