KR101800227B1 - A Insect Repellent Using Aagar Powder and Its Production Method - Google Patents

Abstract

The present invention relates to an insect repellent using agar powder and a method for producing the same, and more particularly, to a method for preparing an insect repellent using an agar powder and a method for preparing the same, The insecticide prepared by allowing the active insecticide component and the fragrance to be added thereto after being allowed to stand at a predetermined temperature and then solidifying with stirring is installed in a room, a basement, a warehouse, a store, a silo or an outdoor place, It keeps the swelling and elasticity and is strong in affinity with water. It keeps the surface of the insecticide moist and emits insecticide and directional components. Therefore, it gives a refreshing feeling to the place where insect repellant is installed, and eliminates fungi, fungi, Or has a strong active toxicity that causes it to be rejected.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insect repellent using an agar powder,

The present invention relates to an insect repellent using agar powder and a method for preparing the same. More particularly, the present invention relates to an insect repellent comprising agar powder, After dissolving, it is allowed to stand to a certain temperature, and active insecticide and fragrance are added to it, and the insecticide is coagulated while stirring to maintain the swellability and elasticity by the strong coagulation power of the agar so that the surface of the insecticide is kept moist Insecticide, directional component and the like, and thus has an effect on fungi, fungi, insect pests and the like, and a method for producing the insecticidal agent.

In general, insect repellents are intended to prevent or reject food sources or habitats accessible to fungi, fungi, and pests. Most known insecticides maintain active toxicity.

However, most of the active toxicities contained in insecticides are based on DEET products. DEET has a high concentration and a plasticizer component, so it has a good effect of pest control, but it has unpleasant fragrance and sticky feeling due to high concentration , Synthetic resin products such as plastics have a problem of damaging the surface.

As a method for solving the above problems, research and development and patent applications are disclosed in JP-A-1988-0005861, which discloses an insecticide containing 1,3,5-trioxane as an active ingredient And JP-A-2002-0092774 discloses a preservative and repellent composition comprising a natural preservative and an insect repellent component in an anhydrous maleic acid adduct of a terpene compound, and JP-A-10-2004-0097182 A repellent composition comprising a mixture of hydro- phenetalactone or dihydronepetalactone stereoisomers is known and disclosed in Laid-Open Patent Publication No. 10-2011-0035504, with one or more extracts extracted in the propensity or octagonal fennel, And an alcohol, and water. However, the composition of the present invention is not limited to the above- Despite the use of natural or synthetic substances as substitutes for the same efficacy as DEET, they are uncomfortable due to the strong smell that is emitted and can be used to combat fungi, fungi, insects, It is difficult to deny.

Accordingly, in order to solve the above-mentioned problems, the present invention provides a method for solving the above problems, wherein purified water is added to a stirrer, agar powder, a solubilizing agent, a surfactant, a preservative, etc. are added and dissolved at a constant temperature while stirring, The insect repellent is prevented from decaying due to the high coagulant of agar by producing insecticide by adding insecticide component and flavor to the insecticide by coagulating while stirring, and maintains swelling and elasticity, and has strong affinity with water, And has a strong active toxicity which is able to repel molds, fungi, insects and the like, while rejecting molds, fungi and the like while giving a refreshing feeling by emitting insecticidal and orienting components, etc., and to provide a method for manufacturing insecticides using agar powder It has its purpose.

In particular, the present invention relates to an agar powder which is characterized in that the surfactant and the preservative, which are not well dissolved in purified water, are mixed with an insecticide as an additive in a dissolved state while being heated and stirred in a separate stirrer to uniformly disperse the mixture of insecticides And an object of the present invention is to provide a method for producing the insecticide.

The present invention relates to a method for producing an insect repellent,

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1) adding 100 parts by weight of refined water to a stirrer and heating to 50 to 60 ° C while stirring at 60 ± 2 rpm / min;

2) 50 to 70 parts by weight of agar powder, 2 to 4 parts by weight of a solubilizing agent, 0.5 to 1 part by weight of a surfactant, 0.1 to 0.5 part by weight of a preservative and 0.5 to 1 part by weight of a colorant are added to a stirrer heated in step 1) Heating the mixture at 50 to 60 ° C for 2 to 3 hours while stirring the mixture at 60 ± 2 rpm / min, and then allowing the mixture to stand at 30 to 40 ° C;

3) When 0.5 to 1 part by weight of the active insecticidal component and 0.1 to 0.5 part by weight of fragrance are mixed with 100 parts by weight of purified water at 30 to 40 ° C in the step 2), the mixture is stirred at 60 ± 2 rpm / min for 30 to 40 minutes Stirring the agar to produce a repellent;

4) packaging the repellent solidified in step 3); And the like.

The insecticide using the agar powder according to the present invention having the above-mentioned structure and the preparation method thereof can be prepared by adding purified water, agar powder, solubilizing agent, surfactant, preservative and the like to an agitator and then adding an active insect- It is not corroded by high coagulation power of agar, maintains swelling property and elasticity, and has strong affinity with water, so that insect repellent It is advantageous in that it has a strong active toxicity which can prevent fungi, fungi, insects and the like and refuse them while giving a refreshing feeling to the place where insect repellant is installed.

In order to achieve the above effect, the present invention relates to an insecticide using agar powder, and only a part required for understanding the present invention will be described, and the description of other parts will be omitted within the scope of the present invention. .

The present invention relates to a method for producing an aqueous solution containing 50 to 70 parts by weight of agar powder, 0.5 to 1 part by weight of active insecticide, 2 to 4 parts by weight of a solubilizing agent, 0.5 to 1 part by weight of a surfactant, 0.1 to 0.5 part by weight of a preservative, 0.1 to 0.5 parts by weight of a flavoring agent, and 0.5 to 1 part by weight of a coloring agent.

In the present invention, purified water as a solvent is a solvent that dissolves mixed ingredients that formulate an insect repellent having active toxicity.

In the present invention, the agar powder has a strong coagulating power and does not corrode well. It maintains the swelling property and elasticity of the insect repellent and maintains the moisturized condition of the insect repellent by strong affinity with water. It is preferably 50 to 70 parts by weight based on 100 parts by weight. When the mixing amount of the agar powder is less than 50 parts by weight, the coagulant of the insecticide is lowered due to the lowering of the mixing amount of the agar powder compared to the mixing amount of the purified water, so that it is difficult to maintain swelling and elasticity. The swelling ability of the insecticide increases due to the strong coagulation power of the insecticide.

The agar powder used in the present invention is a solidified product obtained by boiling the algae with boiling water and boiling until boiling. The agar contains 15% moisture, 2% protein, 3.5% ash, 0.5% Or less. It has a strong coagulation power, has a high melting point and does not corrode well, has a strong affinity with water, has a high ability to maintain water in a certain form, and has an advantage in that it does not decompose well to active bacteria.

In the present invention, the active insect-controlling component is intended to prevent fungi, fungi, insects, etc. from a food supply source or habitat from which they can access, or to reject them, and the amount thereof is preferably 0.5 to 1 part by weight per 100 parts by weight of purified water Do. When the amount of the active insect-controlling component is less than 0.5 part by weight, the amount of the active insect-controlling component is low and it is difficult to get rid of the food supply source or habitat to which fungi and fungi can approach. When the amount of the active insect controlling ingredient exceeds 1 part by weight There is a possibility that side effects may occur in the environment ecosystem over a long period of time.

On the other hand, the kind of the active insecticidal component used in the present invention is not particularly limited, but preferably the (RS) -1-ethynyl-2-methylpentene- ethynyl-2-methylpenten-2-enyl], (1RS) -syese, trans-chrysanthemate [(1RS) -cis, trans-chrysanthemate].

In the present invention, the solubilizer acts as an auxiliary additive to uniformly mix the ingredients to be mixed when they are dissolved in the water, and the mixing amount thereof is preferably 2 to 4 parts by weight per 100 parts by weight of the purified water. If the mixing amount of the solubilizing agent is less than 2 parts by weight, the mixtures may not be uniformly mixed with the purified water. When the mixing amount of the solubilizing agent exceeds 4 parts by weight, the mixture may be uniformly mixed with the purified water, The effect is weak compared to.

The solubilizing agent used in the present invention is preferably a mixture of one or more of methanol, ethanol, isopropanol, acetone, ethylene glycol methyl ether, ethylene glycol ethyl ether, and ethylene glycol butyl ether.

In the present invention, the surfactant is excellent in solubilization power, insect repellency and dispersing ability by mixing an anionic surfactant of an allylemyl group having 10 to 15 carbon atoms to uniformly disperse insect repellent components in the agar, And the amount thereof is preferably 0.5 to 1 part by weight based on 100 parts by weight of the purified water. If the mixing amount of the surfactant is less than 0.5 part by weight, the toxicity of the insecticide may be deteriorated and the performance of the insect repellent may be deteriorated. If the amount of the surfactant is more than 1 part by weight, But the effect is weak compared to the amount of the surfactant.

The surfactant according to the present invention preferably has an anionic surfactant of an allyl group having 10 to 15 carbon atoms and a cationic surfactant in order to effectively dissipate the insect repellent component from the surface of the agglomerated agar, It is preferably added in an amount of 40 to 60 to 40 to 60 by weight. The anionic surfactant and the cationic surfactant may be used alone or in combination of two or more.

On the other hand, in terms of the types of surfactants used, the anionic surfactants include alkyl benzene sulfonates, alkyl naphthalene sulfonates, dialkyl sulfosuccinates, lignin sulfonates, alkyl naphthalene sulfonate formalin condensates, polyoxyalkylene Sodium salts or calcium salts of sulfonates such as alkylphenyl sulfonates, sodium or calcium salts of sulfuric acids such as almadenylsulfuric acid, polyoxyalkylene alkylsulfuric acid, polyoxyalkylene alkylphenylsulfate, naphthalenesulfonic acid, poly A sodium salt or a calcium salt of succinate such as oxyalkylene succinate is suitable, and as the cationic surfactant, it is preferable to use an allnamoyl ammonium salt or a polyoxyalkylene allnamoammonium salt.

In the present invention, the preservative inhibits the physiological activity of the active insecticide effective ingredients and inhibits the growth of the active insecticide to prolong the performance of the insecticide. The amount of the preservative is preferably 0.5 to 1 part by weight per 100 parts by weight of the purified water. If the mixing amount of the preservative is less than 0.5 part by weight, the performance of the insect repellent may be deteriorated early by activating the physiological activities of the insecticide effective ingredients due to the lowering of the mixing amount of the preservative. If the mixing amount of the preservative is more than 1 part by weight, The effect of inhibiting the active toxicity of the active ingredients is weak compared to the amount of the active ingredient.

The preservatives used in the present invention include sodium benzoate, dimethyloldimethylhydantoin, imidazolldinyl urea, 5-chloro-2-methyl-4-isothiazoline-3- One may be selected from 5-chloro-2-methyl-4-isothiazoline-3-one.

Meanwhile, 5 to 10 parts by weight of a surfactant and 1 to 5 parts by weight of a preservative are mixed with 100 parts by weight of purified water in order to inhibit the physiological activities of active surfactants, as well as solubilizing power, It is preferable to use a solution which has been dissolved at a rate of 60 ± 2 rpm / min at ± 2 ° C. for 50 to 60 minutes with stirring. If the stirring conditions are less than the above conditions, the surfactant and the preservative may not be completely dissolved. If the stirring conditions exceed the above conditions, the surfactant and preservative added to the agitator may be completely dissolved, There is no more special effect than consumption.

In the present invention, the fragrance is a refreshing sensation in the place where the insect repellent is provided by radiating fragrance along with the insect control ingredient which is dispersed on the surface of the agglomerated agar, and the mixing amount thereof is preferably 0.5 to 1 part by weight relative to 100 parts by weight of purified water . When the mixing amount of the flavoring agent is less than 0.5 part by weight, the fragrance ingredient may not feel refreshing as compared with the insecticidal ingredient which is emitted from the surface of the agar. When the mixing amount of the flavoring agent is more than 1 part by weight, The fragrance may become too strong.

The perfume to be used in the present invention is not particularly limited, but natural perfume can be selected from citronella, geranium, lavender, and peppermint essential oil. The synthetic fragrance may also be selected from the group consisting of pine, limonene, linalool, geraniol, nerol, citronellol, menthol, borneol, borneal methoxycyclohexanol, anisalcohol, cinnamyl alcohol, 3-hexanol, and terpineol may be selected and used.

In the present invention, the colorant is an auxiliary additive which is colored in agar to exhibit hue, and the amount thereof is preferably 0.5 to 1 part by weight based on 100 parts by weight of purified water. When the mixing amount of the coloring agent is less than 0.5 part by weight, there is a possibility that the color to be expressed is not sufficiently expressed on the surface of the agar. When the mixing amount of the coloring agent is more than 1 part by weight, There is a possibility that the color of the image is changed.

The coloring agent used in the present invention may be selected from anthraquinone dyes, azo dyes, indigoid dyes, diphenylmethane dyes, triphenylmethane dyes, and phthalocyanine dyes in organic dyes.

On the other hand, the insecticide using the agar powder composed of the above mixture is installed in a closed space such as a room, a basement, a warehouse, a store, a silo or an outdoor place, It has a strong active toxicity to keep molds, fungi, insects and the like in a moist state and to reject them, and has an advantage in giving a refreshing feeling to the surrounding environment due to the emission of incense.

Hereinafter, a method for producing an insect repellant using the agar powder according to the present invention will be described in detail.

The present invention relates to a method for producing an insect repellent,

1) adding 100 parts by weight of purified water to a stirrer and heating to 50 to 60 ° C with stirring at 60 ± 2 rpm / min;

2) 50 to 70 parts by weight of agar powder, 2 to 4 parts by weight of a solubilizing agent, 0.5 to 1 part by weight of a surfactant, 0.1 to 0.5 part by weight of a preservative and 0.5 to 1 part by weight of a colorant are added to a stirrer heated in step 1) Heating the stirrer at 60 to 2 rpm / min with stirring at 50 to 60 ° C for 2 to 3 hours, and then allowing to stand at 30 to 40 ° C;

3) When 0.5 to 1 part by weight of the active insect repellent component and 0.1 to 0.5 part by weight of perfume are mixed with 100 parts by weight of purified water at 30 to 40 ° C in the step 2), the mixture is stirred at 60 ± 2 rpm / min for 30 to 40 minutes Agitating the agar to produce a repellent;

4) packaging the insecticide solidified in the step 3).

In step 1), 100 parts by weight of purified water is added to a stirrer to increase the dispersing power of agar powder added in step 2), and the purified water is heated to 50 to 60 ° C while stirring at 60 ± 2 rpm / min. When the condition is less than the above condition, it is difficult to disperse the agar powder added in the step 2). When the stirring condition exceeds the above condition, the agar powder added in the step 2) is completely dispersed but has a special effect Lt; / RTI > no longer occurs.

In the step 2), 50 to 70 parts by weight of agar powder, 2 to 4 parts by weight of a solubilizing agent, 0.5 to 1 part by weight of a surfactant, 0.1 to 0.5 parts by weight of a preservative, 0.5 to 1 part by weight of a colorant And the mixture is heated at 50 to 60 ° C. for 2 to 3 hours while stirring the mixture at 60 ± 2 rpm / min. Thereafter, the mixture is allowed to stand until it is cooled to 30 to 40 ° C. When the stirring conditions are less than the above conditions, There is a possibility that the added additives are not completely dispersed and dissolved, and when the stirring conditions exceed the above conditions, the additives mixed in the stirrer can be completely dispersed and dissolved, but the special effect is no longer generated compared to the energy consumption . Specific details of the components added to the mixture have already been described in detail in the foregoing, so that a detailed description thereof will be omitted.

In step 3), 0.5 to 1 part by weight of the active insect repellent component and 0.1 to 0.5 part by weight of perfume are mixed with 100 parts by weight of purified water at a temperature of 30 to 40 ° C in the step 2) And agitating the agar for 40 minutes to prepare an insecticide. If the stirring and standing time are less than the above conditions, the agar supplied to the agitator may not coagulate as much as required and the viscosity of the insect repellent may be lowered. And if the settling time exceeds the above-mentioned condition, there is a fear that the swelling power of the agar fed into the agitator is increased. Specific details of the active insect repellent component and the fragrance used as the mixture have already been described in detail in the foregoing, so a detailed description thereof will be omitted here.

The step 4) is a step of packaging the insecticide solidified in the step 3). The method of packaging is not particularly limited and may be packed by an appropriate method according to the needs of the consumer or the manufacturer, It is best to pack it in an enclosure,

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the following examples. However, the present invention is not limited to the following examples.

1. Manufacture of repellents

(Example 1)

100 parts by weight of purified water was added to the agitator and heated to 55 캜 with stirring at 60 짹 2 rpm / min. Then, 70 parts by weight of agar powder, 4 parts by weight of methyl alcohol, 15 parts by weight of a mixture of surfactant and preservative, And 1 part by weight of Brown B was added. The mixture was heated at 55 ° C for 3 hours while stirring the mixture at 60 ± 2 rpm / min. The mixture was allowed to stand at 35 ° C. To the 100 parts by weight of purified water, (RS) 0.5 part by weight of 1-ethynyl-2-methylpenten-2-enyl [(RS) -1-ethynyl-2-methylpenten-2-enyl] and 0.1 parts by weight of limonene as a flavor were mixed and stirred at 60 ± 2 rpm / The mixture was stirred for 35 minutes to prepare an insecticide.

5 parts by weight of an anionic surfactant alkylbenzenesulfonate, 5 parts by weight of a polyoxyalkylene alkylammonium salt as a cationic surfactant, and 3 parts by weight of sodium benzoate as a preservative were added to 100 parts by weight of purified water in a stirrer And the mixture was stirred at a rate of 60 ± 2 rpm / min at 100 ± 2 ° C for 60 minutes.

(Example 2)

100 parts by weight of purified water was added to the agitator and heated to 55 캜 with stirring at 60 짹 2 rpm / min. Then, 50 parts by weight of agar powder, 2 parts by weight of methyl alcohol, 7 parts by weight of a mixture of surfactant and preservative, And 0.5 parts by weight of Brown B were added. The mixture was heated at 55 캜 for 3 hours while stirring the mixture at 60 짹 2 rpm / min, and then allowed to stand at 35 캜. Then, 100 parts by weight of purified water was added with (RS) 1-ethynyl-2-methylpenten-2-enyl] as a flavor and 0.5 part by weight of limonene as a flavor were mixed and stirred at 60 ± 2 rpm / min The mixture was stirred for 35 minutes to prepare an insecticide.

The surfactant and preservative dissolved in the same manner as in Example 1 were used.

(Comparative Example 1)

100 parts by weight of purified water was added to the agitator and heated to 55 캜 with stirring at 60 짹 2 rpm / min. Then, 80 parts by weight of agar powder, 4 parts by weight of methyl alcohol, 20 parts by weight of a mixture of surfactant and preservative, And 1 part by weight of Brown B was added. The mixture was heated at 55 ° C for 3 hours while stirring the mixture at 60 ± 2 rpm / min. The mixture was allowed to stand at 35 ° C. To the 100 parts by weight of purified water, (RS) Methylpenten-2-enyl [(RS) -1-ethynyl-2-methylpenten-2-enyl] as a flavor and 1 part by weight of limonene as a flavor were mixed and stirred at 60 ± 2 rpm / min The mixture was stirred for 35 minutes to prepare an insecticide.

The surfactant and preservative dissolved in the same manner as in Example 1 were used.

(Comparative Example 2)

100 parts by weight of purified water was added to the agitator and heated to 55 캜 with stirring at 60 짹 2 rpm / min. Then, 40 parts by weight of agar powder, 2 parts by weight of methyl alcohol, 4 parts by weight of a mixture of surfactant and preservative, And 0.5 parts by weight of Brown B were added. The mixture was heated at 55 캜 for 3 hours while stirring the mixture at 60 짹 2 rpm / min, and then allowed to stand at 35 캜. Then, 100 parts by weight of purified water was added with (RS) (RS) -1-ethynyl-2-methylpenten-2-enyl] as a flavor and 0.03 part by weight of limonene as a flavor were mixed and stirred at 60 ± 2 rpm / min The mixture was stirred for 35 minutes to prepare an insecticide.

The surfactant and the preservative dissolved in the same manner as in Example 2 were used.

2. Test methods and results

1) Sensory evaluation on incense

The insect repellent prepared according to Examples 1 to 2 and Comparative Examples 1 and 2 was placed in a plastic container having a size of 10 cm × 5 cm × 3 cm in height and closed with a hole having a diameter of 1.5 cm. And then evaluated according to the following criteria.

◎: Scent of repellent is very good.

○: Scent of insect repellent is good.

△: The scent of insect repellent is disgusting.

X: The scent of the insecticide is very disgusting.

division Example 1 Example 2 Comparative Example 1 Comparative Example 2 incense ◎ ◎ △ ×

According to the above Table 1, Examples 1 and 2 show that the insect repellent has a very good flavor due to the addition of insecticide mixtures within the range required by the present invention. On the contrary, Comparative Example 1 was evaluated to have an unpleasant smell due to the excessive addition of the fragrance added. In Comparative Example 2, the fragrance was added in a small amount, It was rated very disgusting.

2) Insecticide test of cockroach

The insecticide prepared in 1 above was placed in a plastic container having a size of 10 cm × 5 cm × 3 cm in height, and then a hole having a diameter of 1.5 cm was placed in the center of a separately installed 20-ft aluminum container bottom. Fifty male and 50 adult female adults were placed in a container. These cockroaches were observed three times a day, and the number of test days was measured by checking the first day when some cockroaches approached the insecticide container. The results are shown in [Table 2].

division Example 1 Example 2 Comparative Example 1 Comparative Example 2 Expiration date (days) 112 120 71 134

According to Table 2, in Examples 1 and 2, the effective period of insecticide was maintained for 112 to 120 days due to addition of insecticide mixtures within the range required by the present invention, whereas in Comparative Example 1, The effective period of the insecticide was maintained for 71 days, and in the case of Comparative Example 2, the active insecticide was added in an excessive amount, and the insecticide was evaluated to be maintained for 134 days.

3) insect proof test of mosquito

The insecticides prepared in Examples 1 and 2 and Comparative Examples 1 and 2 prepared in 1 above were uniformly applied to the test subjects in an amount of 2 g and placed in a box with 30 mosquitoes for 3 minutes at intervals of 1 hour, The time of biting on the mosquito was checked and the results are shown in Table 3.

division Example 1 Example 2 Comparative Example 1 Comparative Example 2 Effective insect time 23 24 18 28

According to Table 3, in Examples 1 and 2, the effective insect repellent time was maintained for 23 to 24 hours due to addition of insecticide mixtures within the range required by the present invention, whereas in Comparative Example 1, a small amount of active insect repellent component was added The effective insecticide time was maintained for 18 hours, and in the case of Comparative Example 2, the insecticide insecticide was added in an excess amount, and the effective insecticide time was maintained for 28 hours.

4) Insect test of mite

10 g of the insecticide prepared in Examples 1 and 2 and Comparative Examples 1 and 2 prepared in 1 above were uniformly applied to the surface of the carpet cut into 10 x 10 cm and dried, and then placed in a chamber. , And humidity 80% for 2 weeks, and 10 g of powdery food having a water content of 20% was uniformly distributed on the surface of the carpet. In order to observe the mites, 5 × 5 cm paper was placed on the carpet. The number of mites that survived on both sides of the paper after 1 day, 7 days, 14 days, 1 month, 4].

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Number of viable mites 1 day 7 days 15th 1 month 2 months Example 1 0 0 0 0 0 Example 2 0 0 0 0 0 Comparative Example 1 8 21 82 162 388 Comparative Example 2 0 0 0 0 0

According to Table 4, in Examples 1 and 2, it was confirmed that no live mite was found from day 1 due to addition of insecticide mixtures within the range required by the present invention. In Comparative Example 1, Was added in a smaller amount than the amount required in the present invention, and a small amount of viable mite was identified on day 1, but it was evaluated that the number of mites was rapidly increased with the passage of time. In the case of Comparative Example 2, It was estimated that viable mite was not detected at all from day one.

Therefore, in the case of Examples 1 and 2 according to the present invention, the addition of insecticide mixtures within the range required by the present invention makes it possible to provide a sensory test for aroma, a cockroach insecticide test, a mosquito insecticide test, The test showed very satisfactory results. On the other hand, in the case of Comparative Example 1, agar powder, surfactant, preservative, and flavor were added in an amount exceeding the range required by the present invention, and a small amount of the active insect control component than that required by the present invention was added, , The insect repellent function was evaluated to be inferior in the insect proofing test. In the case of Comparative Example 2, satisfactory results were obtained in the cockroach insect proof test, mosquito insect proof test and mite insect proof test. However, Was evaluated to be unacceptable as an insect repellent.

As described above, the insecticide using the agar powder according to the present invention and the method for producing the same are described through the above-mentioned preferred embodiments and their excellence is confirmed. However, those skilled in the art will appreciate that the present invention It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (6)

delete In the method for producing an insect repellent,
1) adding 100 parts by weight of purified water to a stirrer and heating to 50 to 60 ° C with stirring at 60 ± 2 rpm / min;
2) 50 to 70 parts by weight of agar powder, 2 to 4 parts by weight of a solubilizing agent, 0.5 to 1 part by weight of a surfactant, 0.1 to 0.5 part by weight of a preservative and 0.5 to 1 part by weight of a colorant are added to a stirrer heated in step 1) Heating the stirrer at 60 to 2 rpm / min with stirring at 50 to 60 ° C for 2 to 3 hours, and then allowing to stand at 30 to 40 ° C;
3) When 0.5 to 1 part by weight of the active insect repellent component and 0.1 to 0.5 part by weight of perfume are mixed with 100 parts by weight of purified water at 30 to 40 ° C in the step 2), the mixture is stirred at 60 ± 2 rpm / min for 30 to 40 minutes Agitating the agar to produce a repellent;
4) packaging the insecticide coagulated in the step 3). ≪ RTI ID = 0.0 > 5. < / RTI >
3. The method of claim 2,
(RS) -1-ethynyl-2-methylpenten-2-enyl], (1RS) -cis , Trans-chrysanthemat [(1RS) -cis, trans-chrysanthemate] is used in admixture with one or two of the above-mentioned agar powder.
3. The method of claim 2,
Wherein the surfactant is a mixture of an anionic surfactant having 10 to 15 carbon atoms and a cationic surfactant in an amount of 40 to 60:40 to 60 by weight.
3. The method of claim 2,
The surfactant and the preservative may be prepared by mixing 5 to 10 parts by weight of a surfactant with 100 parts by weight of purified water and 1 to 5 parts by weight of a preservative and dissolving at 100 ± 2 ° C with stirring at a rate of 60 ± 2 rpm / A method for producing insect repellents using agar powder.
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