JPWO2014119755A1 - Car air conditioner cleaning agent and aerosol container for cleaning car air conditioner filled with the same - Google Patents

Abstract

Detergency, antibacterial properties, antibacterial properties, and deodorizing properties, and good anti-rust properties ensure a stable effect over a long period of time without interfering with the function of the drive unit such as an evaporator. A car air conditioner cleaning agent and an aerosol container for car air conditioner cleaning filled therewith are provided. (A) 0.1 to 5.0% by mass of an organic antibacterial and antifungal agent composed of quaternary ammonium carbonate, (B) 0.01 to 5.0% by mass of a deodorant composed of a natural extract, (C) 0.1 to 5.0% by mass of a rust inhibitor composed of a fatty acid compound, (D) 0.1 to 10.0% by mass of a surfactant, and (E) 70 to 99% by mass of an alcoholic organic solvent. % Of a cleaning agent stock solution containing a liquid and a cleaning agent for a car air conditioner formed by press-fitting a propellant and adjusting the injection pressure to 0.6 to 0.9 MPa, and a car air conditioner cleaning filled with the same. Aerosol container.

Description

  The present invention relates to a cleaning agent for a car air conditioner and an aerosol container for cleaning a car air conditioner filled with the same, and more specifically, a metal material such as aluminum, an aluminum base alloy, a magnesium base alloy, an iron base alloy, or the like. Efficient adsorption to car air conditioner base materials such as polyacrylamide, nylon, and other hydrophilic coating materials coated on the surface, long-term antibacterial effect, and excellent safety without sacrificing safety The present invention relates to a cleaning agent for a car air conditioner exhibiting an odor effect and a good rust prevention action, and an aerosol container capable of safe and efficient mist cleaning.

An evaporator constituting an automobile air conditioner circuit is made of a fin material composed of several layers of a metal material such as aluminum. The surface of the fin material is surface-treated with a hydrophilic film material made of a hydrophilic resin such as polyacrylamide or nylon in order to suppress the generation of water droplets. However, the hydrophilic coating material is easily removed from the fin material over time, so that the spores of the cocoons that have passed through the filter are easily propagated in the evaporator. In addition, secondary odor generation occurs.
Therefore, it strongly adsorbs onto the base material of the metal material or hydrophilic coating material that constitutes the evaporator, and remains in order to make up for the coating that has fallen off, regardless of the presence or absence of the above-mentioned coating, and exhibits a long-term antibacterial and deodorizing effect There has been a desire for a cleaner for car air conditioners that can be used.

On the other hand, as a cleaning agent for a car air conditioner, a gun spray type and a mousse type have been known, and they are appropriately selected and used according to the place of use and purpose of use.
For example, a gun-spray type is used to insert a gun into a car air conditioner and eject a cleaning agent to clean the inside of the air conditioner, especially the evaporator, and antibacterial and deodorizing treatment (Patent Document) 1), the operation of inserting a gun into the car air conditioner and directly cleaning the evaporator involves the attachment and detachment of a structural member such as a panel in the vehicle, and therefore has a drawback of requiring very skill.

  On the other hand, the mousse-type type has the advantage that when it is processed in this way, the drug becomes foamy and spreads as it is in the car air conditioner circuit, so that not only the evaporator but also its peripheral devices can be cleaned efficiently. However, there is a drawback that bubbles penetrate into the drive unit of the blower unit, for example, the motor, causing troubles in the electric system such as a short circuit and stopping the cleaning processing operation or rusting and deteriorating the motor.

  In addition, a stock solution obtained by dispersing an antibacterial / antifungal agent using an alkali metal salt of a fatty acid having 8 or more carbon atoms having a tertiary carboxy group in a solvent mainly composed of water as a dispersant is used as an air conditioner circuit. 5 to 20% by weight of an organic nitrogen sulfur antibacterial and antifungal agent and 0.1 to 7% by weight of a rust preventive with respect to a method of spraying and fixing (see Patent Document 2) and a deodorant aqueous stock solution %, A deodorant stock solution for an air conditioner comprising 1 to 10% by weight of a surfactant and 5 to 20% by weight of a solvent is diluted with water, and the diluted stock solution is used for an air conditioner in an automobile interior. A method of spraying in the air circuit to suppress bacteria and soot adhering to the evaporator part and deodorizing (see Patent Document 1), organic antibacterial and antifungal agent 0.01 to 5% by mass, organic carboxylic acid or its From a mixture of salt and natural extract 90 to 70% by weight of a stock solution containing 0.01 to 5% by weight of a deodorant, 0.01 to 5% by weight of a rust inhibitor and 0.1 to 10% by weight of a surfactant, and dimethyl ether 10 as a propellant. A car air conditioner cleaner (see Patent Document 3) composed of ˜30% by mass has been proposed.

  However, the car air conditioner cleaning agent or antibacterial / deodorant prescription that emphasizes the cleaning effect and antibacterial and antibacterial effect reduces the rust prevention action, and the prescription emphasizes the rust prevention action. Then, since the cleaning effect and the antibacterial and antifungal effect are lowered, it cannot be said that it is necessarily satisfactory as a cleaning agent for a car air conditioner.

  Under the circumstances as described above, the present inventors have previously discovered that the occurrence of rust is mainly caused by halogen, and as an antibacterial antifungal agent, a dilong chain alkyldishort chain alkylammonium carboxylate, Alcohol-based organic compounds containing a plant extract as a deodorant, a halogen-free organic rust inhibitor as a rust inhibitor, and a halogen-free nonionic surfactant as a cleaning component A cleaning agent for car air conditioners that is dissolved in a solvent and contained as a cleaning agent stock solution has been proposed (see Patent Document 4).

JP-A-9-108311 (Claims and others) Japanese Patent Laid-Open No. 3-146063 (Claims and others) JP 2003-261900 A (Claims and others) JP 2010-138295 A (Claims and others)

  The car air conditioner cleaning agent described in Patent Document 4 succeeded in simultaneously exerting the cleaning / antibacterial / antifungal effect and the rust preventive effect as compared with the previous ones. Sustained effect is desired.

Therefore, the object of the present invention is to overcome the above-mentioned drawbacks of conventional car air conditioner cleaning agents, and of course has excellent antibacterial and anti-deodorizing and deodorizing properties as well as good anti-deodorizing properties. A cleaner for car air conditioners that can maintain a stable effect over a longer period of time than conventional cleaners without disturbing the function of the drive unit such as the motor of the evaporator and blower unit by exhibiting rust. It is to provide.
Another object of the present invention is to provide an aerosol container for car air conditioner cleaning that is filled with the above-described car air conditioner cleaning agent and enables stable and efficient mist cleaning.

  As a result of repeated researches on the cleaning agent for car air conditioners, the antibacterial / antifungal agent is obtained as a result of repeated studies to make the effective component of the cleaning agent firmly adsorbed to the surface treatment material difficult to flow out due to the generation of water droplets. As a quaternary ammonium carbonate and a fatty acid compound as a rust preventive agent, the fatty acid reacts with the quaternary ammonium carbonate as a counter ion and adsorbs more strongly on the surface treatment material as a new substance. Thus, the present inventors have found that the effects can be sustained for a long time without impairing various effects desired for the cleaning agent for a car air conditioner, and have made the present invention based on this finding.

  That is, the cleaning agent for a car air conditioner of the present invention comprises (A) 0.1 to 5.0% by mass of an organic antibacterial and antifungal agent comprising a quaternary ammonium carbonate, and (B) an antibacterial agent comprising a natural extract. 0.01 to 5.0% by mass of odorant, 0.1 to 5.0% by mass of (C) a rust inhibitor made of a fatty acid compound, and (D) 0.1 to 10.0% by mass of a surfactant. And (E) a cleaning agent stock solution containing 70 to 99% by mass of an alcoholic organic solvent, and a propellant is press-fitted and adjusted to an injection pressure of 0.6 to 0.9 MPa. To do.

  Moreover, the aerosol container for car air conditioner cleaning according to the present invention is characterized in that, in the aerosol container filled with the cleaning agent for car air conditioner, the hole diameter of the outlet is 0.4 mm or less.

  According to the present invention, contamination of a car air conditioner can be efficiently washed, and antibacterial and antifungal properties are given to a portion such as an evaporator that causes condensation in the car air conditioner. A good cleaning agent for a car air conditioner capable of suppressing the generation of odor caused by breeding over a long period of time is provided. In addition, there is provided an aerosol container for car air conditioner cleaning, which is filled with the car air conditioner cleaning agent and enables safe and efficient mist cleaning.

  The organic antibacterial and antifungal agent used as the component (A) in the cleaning agent of the present invention is a quaternary in consideration of the adsorptivity to a base material itself such as a metal material or a surface coating resin material constituting an air conditioner. It is necessary to use an ammonium salt compound that has carbonate ion as a counter ion from the viewpoint of the adsorption action on the hydrophilic film and the influence on the metal member in the air conditioner circuit and the metal member of the aerosol container. is there. Among them, it is preferable to use dilong chain alkyldishort chain alkylammonium carbonates in consideration of reactivity with fatty acids used as a rust preventive agent to be described later and those substituted as counterions.

The long chain alkyl group is preferably an alkyl group having 8 to 12 carbon atoms, and the short chain alkyl group is preferably an alkyl group having 1 to 3 carbon atoms.
Particularly preferred as component (A) is didecyldimethylammonium carbonate.
The component (A) of the present invention may be used alone or in combination of two or more.

  In the cleaning agent for a car air conditioner of the present invention, in order to enhance the sterilization effect when the cleaning agent is applied, as the component (A ′), an isothiazoline-based compound such as 2-methyl-4-isothiazolin-3-one, 2-n-octyl-4-isothiazolin-3-one, 1,2-benzisothiazolin-3-one, Nn-butyl-1,2-benzisothiazolin-3-one, Other organic antibacterial / antifungal agents such as amino acids having a carboxyl group such as sodium alkyldi (aminoethyl) glycine and sodium laurylaminopropionate can be used in combination. In order to prevent the outflow of the detergent stock solution due to the generation of water droplets as much as possible, it is more difficult to dissolve in water, and isothiazoline compounds, particularly 2-n-octyl-4-isothiazolin-3-one and 1,2-benzisothiazoline- Preference is given to using 3-one and Nn-butyl-1,2-benzisothiazolin-3-one. These may be used alone or in combination of two or more.

  Next, in the cleaning agent for a car air conditioner of the present invention, as component (B), quick deodorization at the time of application of the cleaning agent is given, or it is generated from odor, tobacco odor, or member during microbial growth In order to efficiently suppress odors such as resin odor, a deodorant comprising a natural extract is used. As this natural extract, for example, those containing polyphenols such as persimmon, tea and bamboo are preferable. These may be used alone or in combination of two or more. Furthermore, in order to enhance the deodorizing property of the component (B), a graft polymer-based deodorant obtained by polymerizing a compound having a functional group capable of directly reacting with an odor-generating material such as ammonia, acetaldehyde, and various fatty acids, For example, a product name “Graphton” manufactured by Grafton Co., Ltd. may be used in combination.

  Moreover, in the cleaning agent for car air conditioners of the present invention, it is necessary to use an organic rust inhibitor as the component (C). Considering reactivity with the quaternary ammonium carbonate used as the component (A), a fatty acid compound such as monocarboxylic acid or dicarboxylic acid is used. Among these, in order to prevent the outflow of the detergent stock solution due to the generation of water droplets as much as possible, dicarboxylic acid compounds that also have an antirust effect on the air conditioner member and the aerosol metal container are preferably used. Further, as this fatty acid compound, those having 10 to 36 carbon atoms are more preferable.

Examples of these include sebacic acid, diacid 1550 [main component: 5 or 6-carboxy-4-hexylcyclohex-2-ene-1-octanoic acid; manufactured by Mead Westbaco Corp.], IPU-22 (main _component: C 12 _{-C 22} branched dibasic acid; manufactured by Okamura essential oils, Inc.), Sanhibita 102 (main component: alkenylsuccinic acid; manufactured by Sanyo Chemical Industries, Ltd.), dodecanedioic acid, eicosa diacid, Isodokosajien Examples of the acid include diacid, isodocosanedioic acid, isoeicosadienedioic acid, butyloctanedioic acid, dialkoxycarbonylisodocosadienedioic acid, and among them, Diacid 1550 and Sunhibitor 102 are particularly preferable. These may be used alone or in combination of two or more.

  In the present invention, as the component (C ′), organic rust inhibitors other than those described above, for example, benzotriazole, ammonium salt, pt-butylbenzoic acid and the like are used. Of these, benzotriazole, dicyclohexylammonium nitrite, and diisopropylammonium nitrite are particularly preferable. These may be used alone or in combination of two or more.

  As the organic anticorrosive component that can be used in the present invention, it is more preferable to use the above-mentioned dicarboxylic acid compound or a mixture thereof with one or both of benzotriazole and diisopropylammonium nitrite.

  In the cleaning agent for car air conditioner of the present invention, it is necessary to use a cleaning component, but it dissolves stably when made into a solution, and the processing surface is damaged when applied to an evaporator or other solid surface. A surfactant is used as the component (D) so that it can be cleaned without any problems. This surfactant is preferably a nonionic one having an excellent solubilizing and cleaning action.

  Examples of such nonionic surfactants include polyoxyethylene alkyl ethers, alkylamine ethylene oxide compounds, alkyl diethanolamides, polyoxyethylene sorbitan fatty acid esters, fatty acid polyoxyethylene methyl ethers, and alkylamine oxides. be able to. These may be used alone or in combination of two or more. Among these, polyoxyethylene alkyl ether, fatty acid polyoxyethylene methyl ether, and alkylamine oxide are preferable, but alkylamine oxide is particularly preferable in terms of providing sterilization properties when the detergent is applied.

  On the other hand, in general, the structure of a vehicle air conditioner has a complicated and detachable filter arranged on the top of the blower fan, so that the chemical can be efficiently supplied to the evaporator part to be cleaned and the surrounding part of the blower fan While taking care not to adversely affect the electronic components mounted on the air conditioner, remove fine dirt caused by spore of microorganisms, dust of tobacco, etc., and remove the active ingredient in the cleaning agent in the air conditioner circuit. It must be efficiently established on the application part. For that purpose, in the cleaner for car air conditioners of this invention, it is necessary to use an organic solvent, especially the alcoholic organic solvent which volatilizes easily as (E) component.

  Examples of the alcoholic organic solvent include at least one selected from alcohols and glycol ethers. Among them, a lower alcohol organic solvent having 2 to 5 carbon atoms which has an action of dissolving and dispersing each component is preferable. As the lower alcoholic organic solvent, lower alcohols such as ethyl alcohol, n-propyl alcohol, and isopropyl alcohol, ethylene glycol methyl ether, and the like are used, and they have good dispersibility with respect to each component and are toxic to the human body. Ethyl alcohol is particularly preferable in that it is small and easily volatilized.

  In the cleaning agent for car air conditioner of the present invention, in order to maintain a sufficient detergency and to exhibit a good antibacterial and anti-deodorant action and deodorizing action for a long period of time, It is also an important condition to select the mixing ratio of the components (A) to (E) within a specific range.

That is, the mixing ratio is based on the total amount of the detergent stock solution, and the component (A) is 0.1 to 5.0% by mass, preferably 0.3 to 3.0% by mass, and the component (B) is 0.01 to 5.0% by mass, preferably 0.05 to 2.0% by mass, component (C) is 0.1 to 5.0% by mass, preferably 0.3 to 2% by mass, and component (D) is 0.00. 1-10.0 mass%, Preferably it is 2.0-5.0 mass%, (E) component is chosen from the range of 70-99 mass%.
Further, if desired, when further blending the component (A ′) and the component (C ′), 0.01 to 1.5% by mass and 0.01 to 1.5% by mass, respectively, based on the total amount of the detergent stock solution. % Can be selected from the range.

  When the amount of the component (A) is less than 0.1% by mass, the antibacterial and antifungal effect is insufficient, and when the amount is more than 5% by mass, the cleaning agent stock solution itself becomes unstable and a solid content is precipitated. Therefore, when used as an aerosol, in addition to inability to inject, the amount of liquid after injection becomes excessive, which may adversely affect the air conditioner site.

  Further, when the amount of the component (B) is less than 0.01% by mass, the deodorizing effect becomes insufficient, and when it exceeds 5.0% by mass, the above-mentioned detergent stock solution itself lacks stability, It causes aerosol injection failure due to precipitation.

Next, when the component (C) is less than 0.1% by mass, the rust prevention effect is insufficient, and the air conditioner base material is not sufficiently protected, and when it exceeds 5.0% by mass. The stability of the cleaning agent stock solution itself is not ensured, and injection failure due to precipitation of solid content is caused.
When the component (C ′) is used in combination with the component (C), the mixing ratio of the component (C) and the component (C ′) is preferably in the range of 1: 1 to 5: 1.

  Furthermore, when the surfactant of the component (D) is less than 0.1% by mass, the stability of the detergent stock solution is impaired and the separation becomes easy. As a result, the cleaning power decreases, and 10.0% by mass. If it is more than the above, the air conditioner base material will be adversely affected.

  Furthermore, when the alcoholic organic solvent of the component (E) is less than 70% by mass, the drying property of the cleaning agent stock is lost, there is a concern about the influence on the air conditioner electronic member, and the aerosol mist becomes rough. There is a risk that the rate of reaching the evaporator may be reduced. On the other hand, if it exceeds 99% by mass, the stability of the cleaning agent stock solution itself is not ensured, and the solid content may be precipitated to hinder aerosol injection.

  In the cleaning agent for a car air conditioner of the present invention, in addition to the above components (A) to (E), as a further component (F), after drying, the active component of the cleaning agent is applied to the processing surface of the air conditioner base material. In order to assist fixing, a hydrophilic film forming agent can be blended in the range of 0.05 to 1% by mass.

  As the hydrophilic film forming agent, polyvinyl alcohol, polyvinyl pyrrolidone, polyacrylamide, naphthalene sulfonic acid formaldehyde condensate, polyether polyol urethane polymer, for example, “Adecanol UH-140S” (manufactured by ADEKA) and the like are used. . These may be used alone or in combination of two or more.

  The detergent stock solution of the present invention preferably uses a halogen-free component in each component in order to maintain rust resistance.

  In the cleaning agent for a car air conditioner of the present invention, first, the (A) component to the (D) component and the optionally used (F) component are dissolved in the alcoholic organic solvent of the (E) component to obtain a solid content concentration. A 1 to 30% by weight detergent stock solution is prepared. The propellant is press-fitted into the cleaning agent stock solution thus prepared, adjusted to an injection pressure of 0.6 to 0.9 MPa, and filled into a mist type aerosol container. If the injection pressure is lower than this, fine mist cannot be formed, and if the injection pressure is higher than this, there is a risk of explosion, which is dangerous.

  Examples of the propellant for injecting the cleaning agent stock solution include gas, or a gas that becomes gas upon application, such as air, dimethyl ether, LPG, LNG, nitrogen gas, carbon dioxide gas, nitrous oxide gas, argon, helium, and the like. Among them, nitrogen gas is preferable from the viewpoint of solubility in an alcoholic organic solvent and safety.

In the aerosol container used in the present invention, the hole diameter at the outlet is selected in the range of 0.4 mm or less, preferably 0.1 to 0.3 mm.
In order to make the mist finer, it is preferable to attach a flexible thin tube to the outlet of the aerosol container. In this case, the diameter of the nozzle outlet of the narrow tube is selected in the range of 0.4 mm or less, preferably 0.1 to 0.3 mm.
In this way, the mist to be injected can arrive at the evaporator by the air blow of the air conditioner.

  EXAMPLES Next, although an Example demonstrates this invention further in detail, this invention is not limited at all by these.

(Test Examples 1 to 4)
Each sample solution having the formulation (parts by mass) shown in Table 1 was applied to an aluminum test plate (10 × 25 mm), dried, immersed in 100 ml water, and allowed to stand for the following time. Thereafter, each test plate obtained was taken out, dried, and placed in the center of a normal agar medium (preliminarily coated with Bacillus subtilis) prepared in a petri dish having a diameter of 90 mm. After culturing at 25 ° C. for 3 days, the antibacterial persistence exerted by the combination of the antibacterial antifungal agent and the rust preventive agent was evaluated according to the following criteria according to the diameter of the inhibition circle. The results are shown in Table 2.
○: 15 mm or more Δ: 10 mm or more and less than 15 mm ×: less than 10 mm

ダイアシッド１５５０： ミードウェスト・ベーコ社製、主成分５または６−カルボキシ−４−ヘキシルシクロヘキサ−２−エン−１−オクタン酸
サンヒビター１０２： 三洋化成社製、主成分アルケニルコハク酸

Diacid 1550: Mead West Beco, main component 5 or 6-carboxy-4-hexylcyclohex-2-ene-1-octanoic acid sunhibitor 102: Sanyo Chemical Industries, main component alkenyl succinic acid

  Next, sample solutions of Examples and Comparative Examples were prepared. The physical properties of each Example and Comparative Example were evaluated by the following methods.

(1) Stability The sample solutions were mixed well, placed in a refrigerator (about 4 ° C.), allowed to stand for 2 weeks, and then visually evaluated according to the following criteria.
○: The liquid is transparent, and no floating or precipitation of the precipitate is observed.
X: The liquid is cloudy and floating or precipitation of the precipitate is observed.

(2) Antibacterial durability Each sample solution is applied to a standard test plate (10 × 25 mm) of aluminum and 6-nylon, dried, set in a salt spray tester (manufactured by Suga Test Instruments Co., Ltd.), I put it. Thereafter, each test plate was taken out, dried, and placed in the center of a normal agar medium (preliminarily coated with Bacillus subtilis) prepared in a petri dish having a diameter of 90 mm. After culturing at 25 ° C. for 3 days, evaluation was performed according to the following criteria based on the size of the diameter of the inhibition circle.
○: 15 mm or more Δ: 10 mm or more and less than 15 mm ×: less than 10 mm

(3) Antifungal property Each sample solution was applied to a paper disk having a diameter of 8 mm, and placed in the center of a potato dextrose agar medium (previously applied with black koji) prepared in a petri dish having a diameter of 90 mm. After culturing at 25 ° C. for 3 days, evaluation was performed according to the following criteria based on the size of the diameter of the inhibition circle.
○: 15 mm or more Δ: 10 mm or more and less than 15 mm ×: less than 10 mm

(4) Deodorant A bad odor source (0.5% ammonia-ethanol solution 0.2 cc) was placed in a beaker in a 5 liter desiccator, allowed to stand for 30 minutes, and then the concentration was measured with a gas detector manufactured by Gastec. Control. Next, a flannel cloth (50 × 50 mm) soaked with 0.5 cc of each sample solution was placed in the desiccator, and the odor concentration was measured in the same manner, and the difference from the control was defined as the deodorization rate. At this time, the malodorous source and the sample solution were not brought into contact with each other, so that the volatilized substances reacted with each other.
○: Deodorization rate 70% or more △: Deodorization rate 30% or more and less than 70% ×: Deodorization rate less than 30%

(5) Detergency A mixture of 5 types and 7 types of JIS test powders, fats and oils, and carbon black prepared as an artificially contaminated oil was applied to an aluminum test plate, and the entire amount was injected with an aerosol filled with each sample solution. After washing, the washing rate was determined by measuring the difference between the initial weight applied to the test plate and the remaining weight.
○: Cleaning rate of 40% or more Δ: Cleaning rate of 20% or more and less than 40% ×: Cleaning rate of less than 20%

(6) Rust prevention The polished iron plate was immersed in each sample solution so that the lower half of the whole was immersed, and the appearance of rust was observed after being left in a thermostatic bath at 50 ° C. for one week.
○: No rust △: Partially rusted ×: Rust generated on the entire plate surface

(7) Liquid reachability The blower unit and evaporator unit of the car air conditioner installed in the actual vehicle are connected, and B5 size paper (182 x 257 mm) is brought into contact with the intake surface of the evaporator. Then, each sample solution was filled, an aerosol in which nitrogen gas was injected as a propellant was sprayed, the area where the sample solution adhered to the paper was measured, and the occupation ratio was evaluated according to the following criteria.
○: 70% or more △: 60% or more and less than 70% ×: less than 60%

(Examples 1-4, Comparative Examples 1-4)
Detergent stock solutions having the formulations (parts by mass) shown in Table 3 were prepared and their physical properties were evaluated. Furthermore, aerosols filled with the above-mentioned cleaning agent stock solution and injected with nitrogen gas as a propellant were prepared, and their liquid reachability was evaluated. The results are shown in Tables 4 and 5.

ダイアシッド１５５０： ミードウェスト・ベーコ社製、主成分５または６−カルボキシ−４−ヘキシルシクロヘキサ−２−エン−１−オクタン酸
サンヒビター１０２： 三洋化成社製、主成分アルケニルコハク酸
パンシル： リリース科学工業社製、植物系天然抽出物（柿渋タンニンエキス）
ジュウヤクエキス： 小川香料社製、植物系天然抽出物（ドクダミ茶抽出エキス）

Diacid 1550: Mead West Beco, main component 5 or 6-carboxy-4-hexylcyclohex-2-ene-1-octanoic acid sunhibitor 102: Sanyo Kasei, main component alkenyl succinate pancil: Release Science Kogyo Co., Ltd., plant-based natural extract (bamboo tannin extract)
Juyaku Extract: Ogawa Fragrance Co., Ltd., plant-based natural extract (Dokudami tea extract)

Claims (13)

  (A) 0.1 to 5.0% by mass of an organic antibacterial and antifungal agent composed of quaternary ammonium carbonate, (B) 0.01 to 5.0% by mass of a deodorant composed of a natural extract, (C) 0.1 to 5.0% by mass of a rust inhibitor composed of a fatty acid compound, (D) 0.1 to 10.0% by mass of a surfactant, and (E) 70 to 99% by mass of an alcoholic organic solvent. A detergent for car air conditioners, which is prepared by press-fitting a propellant into a detergent stock solution containing 2% and adjusting the injection pressure to 0.6 to 0.9 MPa.   The cleaning agent for a car air conditioner according to claim 1, wherein the quaternary ammonium carbonate is didecyldimethylammonium carbonate.   The cleaning agent for a car air conditioner according to claim 1, further comprising an isothiazoline-based compound as the organic antibacterial / antifungal agent.   The cleaning agent for a car air conditioner according to claim 1, wherein the natural extract is a natural extract containing polyphenol.   The car air conditioner cleaning agent according to claim 1, wherein the fatty acid compound is a mono- or dicarboxylic acid.   The car air conditioner cleaning agent according to claim 5, wherein the mono- or dicarboxylic acid has 10 to 36 carbon atoms.   The car air conditioner cleaning agent according to claim 1, further comprising at least one selected from the group consisting of benzotriazole, dicyclohexylammonium nitrite and diisopropylammonium nitrite as a rust inhibitor.   The cleaning agent for a car air conditioner according to claim 1, wherein the surfactant is a nonionic surfactant.   The cleaning agent for a car air conditioner according to claim 1, wherein the alcoholic organic solvent is a lower alcohol having 2 to 5 carbon atoms.   The cleaning agent for a car air conditioner according to claim 1, wherein the cleaning agent stock solution and the propellant are pressurized and filled in a mist type aerosol container.   The cleaning agent for a car air conditioner according to claim 1, wherein the propellant is nitrogen gas.   12. An aerosol container for cleaning a car air conditioner according to claim 1, wherein the outlet diameter is 0.4 mm or less.   The aerosol container for car air conditioner washing | cleaning of Claim 12 formed by attaching the flexible thin tube whose hole diameter of a jet nozzle is 0.4 mm or less.