JP2002154907A - Mothproof microbial removing agent for drainage hole - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an agent having high safety, preventing occurrence of sliminess, molds or blackening, having high effects on adsorbing and deodorizing of an offensive odor and capable of sustaining the effects for a long period. SOLUTION: This mothproof microbial removing agent for a drainage hole comprises one or more kinds of an anise oil, an orange oil, a cassia oil, a mustard-Japanese horseradish extract, a garlic oil, a grapefruit oil, a beefsteak plant oil, a clove oil, a cederwood oil, a citronella oil, a cinnamon oil, a cinnamon leaf oil, a geranium oil, a thyme white oil, a Japanese peppermint oil, a white-cedar leaf oil, a Japanese cypress oil, a pimento oil, a fennel oil, a pennyroyal oil, a peppermint oil, a bergamot oil, a eucalyptus oil, a mugwort extract, a lavender oil, an oil of Ruta graveolens and a lemongrass oil.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disinfectant for disinfecting drains, which suppresses unpleasant odors in strainers at drains of sinks and drains in bathrooms, and prevents slime and clogging of pipes.

[0002]

2. Description of the Related Art Conventionally, slime is removed from drains of sinks, bathrooms and the like by using a cleaning agent mainly containing sodium hypochlorite, sodium hydroxide, or the like, or by using isocyanuric acid (trichloroisocyanuric acid, dichloromethane, etc.). Solid tablets using a chlorine-based drug such as sodium isocyanurate), 1-bromo-3-chloro-5,5-dimethylhydantoin, and stabilized chlorine dioxide have been used. In particular, when a solid tablet using a chlorine-based drug such as isocyanuric acid is installed in a drain, the component gradually dissolves each time the drainage flows,
It has a lasting effect, unlike cleaning agents, to remove slime and dirt.

[0003] However, when these chlorine-based chemicals are used, chlorine gas is generated. Therefore, when used in a closed room, the odor may cause a bad mood due to chlorine odor. Also acids,
When alkaline bleaching agents and detergents are mistakenly applied to these agents, there is a problem that a large amount of chlorine gas is generated due to rapid reaction. Further, there is a problem that when used in a drain port made of metal, rubber, or the like, corrosion, deterioration, and rust are generated, and there is a problem that the deodorizing effect of the unpleasant odor at these drain ports is not so high.

[0004]

DISCLOSURE OF THE INVENTION The present invention relates to a drug which has high safety, prevents the occurrence of slime, mold and darkening, has a high effect of adsorbing and deodorizing unpleasant odors, and can maintain the effect for a long time. To provide. Further, the present invention provides a preparation having an insect repellent effect.

[0005]

In order to achieve the above object, the invention according to claim 1 provides an anis oil, orange oil, cassia oil, mustard wasabi on a porous carrier which is dissolved or disintegrated by running water. Extract, garlic oil, grapefruit oil, perilla oil, clove oil, cedarwood oil, citronella oil, cinnamon oil, cinnamon leaf oil, geranium oil, thyme white oil, peppermint oil, hiba oil, hinoki oil, pimento oil, fennel oil Insect repellent for a water outlet characterized by containing at least one kind or two or more kinds selected from peni-royal oil, peppermint oil, bergamot oil, eucalyptus oil, mugwort extract, lavender oil, roux oil, and lemongrass oil. It is a disinfectant.

A porous carrier (substrate) polishes and removes slime and mold to enhance the cleaning effect of the water distribution pipe, and further contains a plant extract (natural essential oil) having an insect repellent effect, so that And insect repellent and repellent effects such as flies, cockroaches, flies, and slugs. Further, by using a non-chlorine antibacterial agent, preferably a plant extract, particularly preferably a plant extract having an insect repellent effect described in the above claim as an antibacterial agent, even without using a problematic chlorine-based agent, The generation of mold and the like can be prevented. Also, by using a porous carrier that dissolves or disintegrates in running water,
The validity period can be easily confirmed, and the carrier impregnated with the antibacterial agent dissolves and disintegrates in running water. Therefore, the antibacterial agent is continuously supplied, and a continuous effect can be exhibited.

[0007] In order to achieve the above object, the invention according to claim 2 provides a method in which a surfactant and / or a solvent is added to the carrier.
It is an insect repellent for drains containing more than one species.

[0008] In order to achieve the above object, the invention according to claim 3 is an insecticide for drainage, wherein the surfactant is a cationic surfactant and / or an amphoteric surfactant.

According to the second and third aspects of the present invention, the cleaning effect is improved by the surfactant and the solvent, and the cleaning effect is further reduced by using the cationic surfactant and / or the amphoteric surfactant. Bacterial effect is improved.

[0010] In order to achieve the above object, the invention according to claim 4 is directed to a drainage port, wherein the carrier is a porous body comprising at least one kind of porous substrate having at least pores. Insect repellent.

Then, the porous carrier (substrate) adsorbs and deodorizes the unpleasant odor, and the porous substrate having pores enhances the deodorizing effect and the adsorption effect of dirt.

[0012] The present invention is based on the principle that one or more selected from plant extracts are used as insect repellents, and it is particularly preferable to use one or more selected from plant extracts as antibacterial agents. It is preferable to use a surfactant as a main component and a solvent as an auxiliary.

This is held on a porous carrier that dissolves or disintegrates with running water. As the components of the base material (granules) constituting the carrier, calcined gypsum, natural or synthetic zeolite, diatomaceous earth, silica gel, alumina oxide, white carbon, calcium silicate, sepiolite, montmorinite, pangoliskite, ceramic, activated carbon, Charcoal, bamboo charcoal and the like can be exemplified, and the particle size of the granular material is desirably φ = 2 mm or less in consideration of the appearance at the time of dissolution and collapse, manufacturability and the like.

The carrier only needs to be a porous material having a supporting function, and if the carrier itself is composed of a powdery material having a porous property, it can improve the adsorption effect of odors and dirt. More preferred. These include builders, inorganic salts,
A deodorant or the like can be appropriately added.

The insect repellents to be added are those described in claim 1, and the antibacterial agents are not particularly limited to those described below. Preferably, plant extracts are used, which have an insect repellent and eradication effect. For complementation, the addition of two or more kinds is particularly effective.

When the amount of the plant extract is large, solidification becomes difficult. When the amount is small, effects such as prevention of generation of slime and mold cannot be expected. Therefore, the addition amount of the plant extract is desirably about 0.1 to 20 parts with respect to 100 parts of the disinfectant at the outlet.

The water-soluble solidifying agent is not limited as long as it solidifies the carrier and gradually dissolves or disintegrates in running water. Natural or synthetic proteins, polysaccharides, natural or synthetic cellulose compounds, polyvinyl alcohol And polyethylene glycol. Among them, soluble starch, methylcellulose, carboxymethylcellulose, cellulose ether compounds and the like are preferable.

The surfactant may be nonionic, anionic,
The surfactant may be appropriately selected from common surfactants such as a cationic surfactant and an amphoteric surfactant. In particular, a cationic surfactant and / or an amphoteric surfactant are suitable for improving the disinfection effect. In addition, the inorganic salt only needs to be water-soluble, such as silver, copper,
Metal salts such as zinc can be exemplified. Furthermore, "Apatizer" (Sangi Co., Ltd.) using calcium phosphate as a carrier and metallic silver supported thereon, or "Zeomic" in which silver ions and the like are incorporated into an aluminosilicate zeolite. [Cinanen Zeomic Co., Ltd.] and the like can also be contained. further,
Productivity can also be improved by adding a fragrance and a coloring agent to the present invention.

After the above components are uniformly mixed, the tablets obtained by tableting or extrusion molding are stored in a resin case or net having an opening, a molded nonwoven container, a nonwoven bag, or the like. Releases the active ingredient while gradually dissolving or disintegrating. The released active ingredient prevents slime, mold, and darkening from occurring, and gradually dissolves to maintain the effect over a long period of time. In addition, it is also optional to include an antibacterial agent, a deodorant, and the like in the container containing the tablet.

The respective components are specifically described below, but the present invention is not limited thereto. <Plant extract> Anise oil, orange oil, cassia oil, mustard / wasabi extract, garlic oil, grapefruit oil, clove oil, perilla oil, cedarwood oil, citronella oil, cinnamon oil, cinnamon leaf oil, geranium oil, thyme white Oil, peppermint oil, hiba oil, hinoki oil, pimento oil, fennel oil, penny royal oil, peppermint oil, bergamot oil, eucalyptus oil, mugwort extract, lavender oil, lemongrass oil, etc.

[0021] In addition, 1 selected from the group consisting of pyrethroid insecticides, organophosphorus insecticides, carbamate insecticides, chloronicotine insecticides, insect growth inhibitors, and repellents
More than one compound may be used in combination.

A pyrethroid insecticide, allethrin, dl.d-T80-aresulin, dl.d
-T-aresulin, d-d-T-aresulin, d-d-
T-Praletrin, phthalthrin, dT80-phthalthrin, resmethrin, d-T80-resmethrin, d
-T80-Flamethrin, permethrin, phenothrin, fenvalerate, cypermethrin, d-T80-
Cyphenothrin, empentrin, terrareslin, imiprosulin, etofenprox, transfluthrin, etc.

An organophosphorus insecticide diazinon, fenitrothion, pyridafenthion, malathion, dipterex, chlorpyrifos,
Fenthion, dichlorvos, propentaphos, apeit, prothiophos, phoxime, etc.

Carbamate proboxur etc. chloronicotine insecticides imidacloprid, acetamiprolide etc. insect growth inhibitor (IGR) pyriproxyfen, phenoxycarb, methoprene, etc.
Hydroprene, etc.-Repellent N, N-diethyl-m-toluamide (DEET), dibutyl phthalate, 2-ethyl-1,3-hexanediol, karan-3,4-diol, p-menthen-3,8
-Diol, eucalyptol, etc.

<Antimicrobial Agent> Although various antimicrobial agents can be exemplified, particularly preferred is an essential oil extracted from a plant.・ Organic antibacterial agents ethyl alcohol, propyl alcohol, isopropyl alcohol, phenol, isopropylmethylphenol (IPMP), thymol, o-phenylphenol (OPP), 4-chloro-3,5-dimethylphenol (PCMX), thiabendazole (TBZ) ), Chlorhexidine hydrochloride, chlorhexidine gluconate, benzalkonium chloride, benzethonium chloride, cetylpyridinium chloride, chlorothalonil (TPN), carbendazine,
Triclosan, lysozyme chloride, etc.

Plant extract essential oil, natural product-derived antibacterial agent anise oil, orange oil, cassia oil, mustard / wasabi extract, garlic oil, licorice extract, grapefruit oil,
Clove oil, perilla oil, cedarwood oil, citronella oil,
Cinnamon oil, cedar leaf oil, ginger extract, geranium oil, thyme white oil, tea extract, tea tree oil, neroli oil, peppermint oil, hiba oil, hinoki oil, pimento oil, fennel oil, penny royal oil, peppermint oil , Bergamot oil, Moso bamboo extract, eucalyptus oil, mugwort extract, lavender oil, roux oil, lemongrass oil, lemon oil, hinokitiol, limonene, etc.

Examples of the antifungal and preservatives include the following. Sodium benzoate, sodium paraoxybenzoate, butyl paraoxybenzoate, propyl paraoxybenzoate, isobutyl paraoxybenzoate, sodium propionate, isothiazolone, etc.

<Surfactant> As the surfactant, any one selected from the group consisting of a nonionic surfactant, an anionic surfactant, a cationic surfactant and an amphoteric surfactant is optional. The ratio, blending and mixing are not limited at all, and can be arbitrarily determined depending on the purpose and method.

1. Nonionic surfactants ・ fatty acid alkanolamide coconut oil fatty acid diethanolamide 1: 1 type, coconut oil fatty acid diethanolamide 1: 2 type, coconut oil fatty acid monoethanolamide, polyoxyethylene coconut oil fatty acid monoethanolamide, lauric acid diethanolamide , Polyoxyethylene lauric acid monoethanolamide, etc.-polyoxyethylene alkyl ether polyoxyethylene lauryl ether, polyoxyethylene cetyl ether, polyoxyethylene higher alcohol ether, polyoxyethylene alkyl (12 to 1
4) Ether (7 to 12 EO) etc.-Sorbitan fatty acid ester type-Polyoxyethylene sorbitan fatty acid ester type-Polyoxyethylene fatty acid ester type-Ethylene glycol fatty acid ester type-Pluronic type etc.

2. Anionic surfactants ・ Polyoxyethylene alkyl ether sulfates ・ Alkyl ether sulfates Polyoxyethylene lauryl ether sodium sulfate,
Polyoxyethylene lauryl ether triethanolamine sulfate, polyoxyethylene alkyl (11-15)
Sodium ether sulfate (3EO), alkyl (1
1,13,15) triethanolamine, sodium alkyl sulfate, triethanolamine alkyl sulfate, higher alcohol sodium sulfate, etc.

Sulfosuccinate disodium polyoxyethylene alkylsulfosuccinate, polyoxyethylene sulfosuccinate, disodium lauryl polyoxyethylene sulfosuccinate, disodium lauryl sulfonate, disodium polyoxyethylene lauryl ethanolamide sulfosuccinate, etc.

Ether carboxylic acid polyoxyethylene lauryl ether sodium acetate,
Sodium polyoxyethylene tridecyl ether acetate, polyoxyethylene lauryl ether acetic acid, etc. ・ Fatty acid type Sodium fatty acid mixed soap, sodium stearate soap, potassium oleate soap, castor oil potassium soap, etc. ・ Alkylbenzenesulfonic acid type sodium dodecylbenzenesulfonate etc

3. Cationic surfactant (disinfectant) ・ Alkyl ammonium distearyl dimethyl ammonium chloride, stearyl dimethyl benzyl ammonium chloride, alkyl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride, cetyl trimethyl ammonium chloride, benzalkonium chloride liquid, lanolin fatty acid ethyl sulfate Aminopropylethyldimethylammonium, etc.

4. Amphoteric surfactant (bactericide) coconut oil fatty acid amidopropyl betaine, lauric acid amidopropyl betaine, lauryl dimethylaminoacetic acid betaine, 2-alkyl-N-carboxylmethyl-N-hydroxyethylethylenediamine sodium, 2-alkyl-N-carboxyl Methyl-N-hydroxyethyl imidasolinium betaine, lauryl dimethylamine oxide, lauryl betaine, sodium alkyl di (aminoethyl) glycine, alkyl chloride polyaminoethyl glycine, alkyl diaminoethyl glycine chloride, etc.

<Solvent> Examples of solvents selected from alcohols and / or compounds having two or more functional groups ・ Alcohols methyl alcohol, ethyl alcohol, 1-propyl alcohol, isopropyl alcohol, butyl alcohol, 2-tert-butyl alcohol, isobutyl alcohol, 3- tert-butyl alcohol, n-3-methoxy-3-methyl-1-butanol, amyl alcohol, 2-pentanol, 3-pentanol, 2-methyl-1-butanol, 1-hexanol, 2-methyl-1
-Pentanol, 4-methyl-2-pentanol, 2-
Heptanol, 3,5,5-trimethyl-1-hexanol, 1-decanol, benzyl alcohol, 1,2-
Propanediol, glycerin, etc.

Compounds having two or more functional groups 2-methoxyethanol, 2-ethoxyethanol, 2
-(Methoxymethoxy) ethanol, 2-butoxyethanol, 2- (isopentyloxy) ethanol, 2-
Phenoxyethanol, diethylene glycol, diethylene glycol monoethyl ether, polyethylene glycol, 1-methoxy-2-propanol, dipropylene glycol, dipropylene glycol monomethyl ether, diacetanol, triethanolamine, etc.

<Builder> It is sufficient that the effect of preventing re-adhesion of contaminants is expected, and the present invention is not limited to the following.・ Inorganic builder phosphate: sodium orthophosphate, sodium metaphosphate, sodium tripolyphosphate, sodium pyrophosphate, potassium pyrophosphate, carbonate: sodium carbonate, sodium hydrogen carbonate, sodium sesquicarbonate, sodium silicate, sodium metasilicate, sodium borate , Sulfate: sodium sulfate, sodium chloride, aluminum hydroxide, boric acid, borax, urea, etc.

Organic builder sodium nitrilotriacetate (NTA, -3H, -3N)
a, -2Na), sodium ethylenediaminetetraacetate (EDTA, -4H, -2Na, -3Na, -4N)
a), amine salt of EDTA, sodium citrate, CM
C, starch, allyl amide, methallyl amide,
Acrylonitrile, cellulose, etc.

<Deodorant> Moso bamboo extract ("Takeguard", Takex Techno Co., Ltd.), green tea extract ("Fresh Shiramatsu", Shiramatsu Shinyaku Co., Ltd.),
Long chain betaine compound ("Eporion" Eporion Co., Ltd.), generic type of persimmon extract Deodorant containing tannin as a main component ("Pancil" Release Science Co., Ltd.), plant system mixed with several plant extracts Special deodorant ("Purière")
Matsushita Electric Works, Ltd.)

<Substrate> Activated carbon, charcoal, bamboo charcoal, silica gel, alumina oxide, sepiolite, natural or synthetic zeolite, montmorillite, pangoliskite, ceramic, calcined gypsum, diatomaceous earth, white carbon, calcium silicate, etc. It is more preferable that the base material itself has porosity.

<Fragrances> Natural fragrances of animal or vegetable origin, or artificial fragrances such as hydrocarbons, alcohols, aldehydes, ketones, lactones, oxides, esters and the like can be exemplified. Fruity, floral, citrus, woody -, Fresh note tone, mixed flavor tone, green tone, mint tone and the like.

The ratio, mixing and blending of the additives are arbitrary, and are not limited at all. In addition, other accidental ingestion inhibitors, dyes,
It is possible to contain various additives such as an antibacterial agent, and there is no particular limitation on the composition and selection thereof. As described above, the content ratio of the compound can be arbitrarily set according to the type of the active ingredient, the purpose, the method, and the like, and at least one selected from the above compounds is used as necessary. There is no restriction.

<Plastic> The plastic used for the container or the like is not particularly limited as long as it has heat resistance and chemical resistance to temperature and chemicals. If necessary, a mixture of glass fiber, an inorganic substance, an antioxidant, an ultraviolet absorber, an antibacterial agent, and the like can be used, and a thermoplastic resin is particularly preferably used.

Thermoplastic resin Polypropylene (PP), polyethylene (PE), acrylic (PMMA), polycarbonate (PC), methylpentene (TPX), polyethylene terephthalate (P
ET), polyethylene naphthalate (PEN), polybutylene terephthalate (PBT), nylon (PA),
Polyacetal (POM), polystyrene (PS), A
BS, AS, polyphenylsulfone, polyallylsulfone, polysulfone, vinyl chloride resin (PVC), etc.

[0045]

EXAMPLES Test Example 1 The insect repellent effect of the natural essential oil of the present invention was evaluated by the following method. However, the present invention is not limited to only the following examples.

(1) Test Agents Natural essential oil 2.0 wt%, isopropyl methyl phenol 10.0 wt%, nonionic surfactant 1.0 wt%,
2.0 wt% of water for molding, 85.0 wt% of sepiolite
% Tablets of 35 mm x 18 mm were prepared. Natural essential oils include anise oil, orange oil, cassia oil, mustard and wasabi extract, garlic oil, grapefruit oil,
Perilla oil, clove oil, cedarwood oil, citronella oil,
Cinnamon oil, cinnamon leaf oil, geranium oil, thyme oil, peppermint oil, hiba oil, hinoki oil, pimento oil, fennel oil, peni-royal oil, peppermint oil, bergamot oil, eucalyptus oil, mugwort extract, lavender oil, Lue oil and lemongrass oil were used, and DEET was used as a control drug instead of natural essential oil.

(1) Evaluation method A steel cylinder having a door (height 10 cm, diameter 20)
cm) on a glass cylinder (height 33 cm, diameter 2)
0 cm) was placed, covered with a glass plate having a hole with a diameter of 5 cm, and the test apparatus was equipped with a rubber stopper. After putting about 20 test insects in the test device, each test agent was inserted from the door below the test device, and at the same time, the upper rubber stopper was removed.
A glass cylinder (height 20 cm, diameter 20 cm) with a 16 mesh nylon net stretched over it was covered. Three hours after each test agent was placed, the number of individuals expelled from the holes in the glass plate into the cylinder above was counted.
The rate of upward movement in the untreated section was defined as the ejection rate of the untreated section, and the ejection rate was corrected by the following equation. The test insects were Drosophila (Telmatoscopus albip).
unctatus) and Drosophila melanogaster (Drosophila me)
lanogaster) was used.

[0048]

(Equation 1)

(1) Results Table 1 shows the expulsion effect of each test agent on each test insect.

[0050]

[Table 1]

DISCUSSION In Examples 1 to 29, the effective expulsion effect on Drosophila and Drosophila melanogaster was shown by adding various plant extracts to the carrier. These effects were almost the same or more as compared with the drug (DEET) shown in Comparative Example 1.

Test Example 2 φ35 mm × 18 m with the following composition (compounding ratio is% by weight)
Each tablet was molded and subjected to various tests. In the formulations shown in Table 2, an antibacterial test and a slime / dirt test were performed.

[0053]

[Table 2]

Table 3 shows the test results.

[0055]

[Table 3]

1) Basic antibacterial test Evaluation method S. aureus: 1FO330
1. Escherichia coli (E. coli): 1FO12732 and B. subtilis: 1FO3134 were cultured with shaking in an ordinary broth medium at 25 ° C for 48 hours, and used as test samples. The NA medium to which the test bacterial solution was added was adjusted to 10 ⁴ to 10 ⁶ CFU / ml and solidified. A filter paper of φ8 mm impregnated with 80 μl of a test solution (a solution obtained by crushing each tablet and suspending it in 500 ml of ion-exchanged water) is placed on this medium, and the size of the inhibition circle formed after culturing at 25 ° C. for 48 hours is measured. The length was measured and evaluated. As described above, black mold (C. idosporioid)
es) A PDA culture medium to which a test bacterial liquid of 1FO6348 was added was solidified and layered, and a filter paper of φ8 mm impregnated with 80 μl of the test liquid was placed on this medium, and the inhibition circle formed after culturing at 25 ° C. for 48 hours was determined. The size was measured and evaluated. Evaluation criteria ◎: 20 mm or more, ：: 10 mm to 20 mm, Δ: 10
Less than mm, ×: No blocking circle formed

2) Deodorizing Test Evaluation Method A petri dish in which a filter paper (Advantech Toyo No. 5A9 cm) was laid and a petri dish containing tablets were placed in a 6-liter glass cylinder, and an odorant solution (trimethylamine aqueous solution) was placed on the filter paper. Was added dropwise. Two hours after the dropping, the odor concentration in the cylinder was measured using a detector tube. Similarly, a system in which no tablets were installed was set to Blank, and the removal rate of odorous substances was calculated by the following formula.

[0058]

(Equation 2)

3) Slime and dirt test Evaluation method A test agent (tablets stored in an open container) was placed in a kitchen drain (a bottom surface of the strainer after washing) of a family of 4 to 5 family members and actually used. Ten days after use, the degree of adhesion of the strainer and dirt on the strainer was evaluated by visual observation or skin feel.
The evaluation points were the bottom surface of the strainer and the side surface of the strainer, and were compared with the situation where the test agent was not used. Evaluation criteria ◎: Slime and stains are considerably suppressed, 、: Slime and stains are suppressed, Δ: Slime and stains are slightly suppressed, ×: Slime and stains are severely generated.

4) Corrosion test of stainless steel Evaluation method Various tablets were crushed to prepare a liquid suspended in 1 L of tap water. An appropriate amount of this solution was taken, immersed to a position of about 30 mm in a 10 mm × 60 mm stainless piece, and stored at 40 ° C. After 30 days from the storage, the surface of the stainless steel piece was visually inspected for the degree of corrosion. Evaluation criteria ◎: no change, わ ず か: slight change, but no corrosion, Δ: slight corrosion, x: severe corrosion.

Discussion In Examples 30 to 32, the tablets as active ingredients of the plant extract showed effective antibacterial properties against Staphylococcus aureus, Escherichia coli, Bacillus subtilis and black mold. Examples 33 and 34
It was confirmed that the addition of a cationic surfactant and an amphoteric surfactant improved the disinfection effect. Further, in Example 35, by adding a higher alcohol-based solvent, an effect of suppressing adhesion of dirt on the bottom surface of the strainer was recognized.

In the comparison of Examples 33, 36, 37 and 38, the removal rate of malodorous substances was improved by adding a porous body having pores on the base material itself to the carrier, and a plurality of pores having different average pore diameters were obtained. Example 38 using the base material was most effective. In Examples 30 to 39, stainless steel was not corroded unlike the conventionally used slimming agent for drainage of chlorine system.

From the above results, the insect repellent effect and / or the disinfection effect by the transpiration of the plant extract, the cationic surfactant,
It is possible to provide a safe and effective insect repellent for drainage which has a disinfecting effect and a washing effect by dissolving an amphoteric surfactant in running water and a washing effect by a solvent.

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Claims (4)

[Claims] 1. A porous carrier that dissolves or disintegrates with running water, comprising anise oil, orange oil, cassia oil, mustard / wasabi extract, garlic oil, grapefruit oil,
Perilla oil, clove oil, cedarwood oil, citronella oil,
Cinnamon oil, cinnamon leaf oil, geranium oil, thyme oil, peppermint oil, hiba oil, hinoki oil, pimento oil, fennel oil, peni-royal oil, peppermint oil, bergamot oil, eucalyptus oil, mugwort extract, lavender oil, An insect repellent for drainage, comprising at least one or more selected from roux oil and lemongrass oil. 2. The insecticide according to claim 1, wherein the carrier contains one or more surfactants and / or solvents. 3. The insecticide according to claim 2, wherein the surfactant is a cationic surfactant and / or an amphoteric surfactant. 4. The insect repellent according to any one of claims 1 to 3, wherein the carrier is a porous body containing at least one porous base material having pores. Disinfectant