JP5801941B1 - Cleaning composition, dishwashing method, liquid cleaning composition kit and cartridge cleaning - Google Patents

Abstract

Disclosed is a cleaning composition and a dishwashing method that have both excellent cleaning power and anticorrosion performance (particularly, the effect of inhibiting the corrosion of metals such as aluminum, aluminum alloys, copper, and copper alloys). The cleaning composition of the present invention is characterized by containing 10 to 60% by weight of an alkali agent, 0.05 to 5% by weight of an anticorrosive agent, and 8 to 60% by weight of a chelating agent. [Selection figure] None

Description

The present invention relates to a cleaning composition, a dishwashing method, a kit for a liquid cleaning composition, and a cartridge cleaning agent.

As a detergent composition such as a detergent composition for an automatic dishwasher, a composition containing an alkaline agent is often used. However, when such a detergent composition is used in an automatic dishwasher, there has been a problem that metal such as aluminum or aluminum alloy, copper or copper alloy used in an object to be washed or dishwasher corrodes. For this reason, a cleaning composition for an automatic dishwasher or the like is required to have excellent detergency and low corrosiveness to metals.

Patent Document 1 contains an alkali agent, a rust inhibitor, and a chelating agent in a specific ratio as an alkali detergent composition for metal having excellent detergency and excellent corrosion prevention effect for copper plates and the like. A detergent composition in which the content of the agent is 0.01 to 0.5% by weight is disclosed.

Patent Document 2 mainly comprises (A) a silicate, (B) a copolymer of an olefin monomer and an unsaturated carboxylic acid monomer and / or a salt thereof, and (C) an unsaturated carboxylic acid monomer. A detergent composition for an automatic dishwashing machine containing a specific ratio of the polymer and / or salt thereof is disclosed.

JP 2007-63674 A JP 2007-9024 A

However, the cleaning composition as described above has room for improvement in order to further improve the cleaning power and anticorrosive ability (corrosion inhibiting effect of metals such as aluminum, aluminum alloy, copper, and copper alloy).
The present invention has been made in order to solve the above-described problems, and has excellent cleaning power and corrosion resistance (particularly, corrosion inhibition effect of metals such as aluminum, aluminum alloy, copper and copper alloy). The main object is to provide an agent composition and a dishwashing method.

As a result of diligent research to solve the above problems, the present inventor blended an alkaline agent, an anticorrosive agent, and a chelating agent with the cleaning composition, and the blending amount of these components is set to a predetermined ratio. It has been found that the detergent composition has excellent detergency and anticorrosive ability.

That is, the cleaning composition of the present invention is
It contains 10 to 60% by weight of an alkali agent, 0.05 to 5% by weight of an anticorrosive agent, and 8 to 60% by weight of a chelating agent.
The cleaning composition of the present invention has excellent cleaning power and anticorrosive ability when the blending amounts of the alkaline agent, the anticorrosive and the chelating agent are in the above ratio. Such a cleaning composition is particularly preferably used as a cleaning composition for an automatic dishwasher, for example.

It is preferable that the cleaning composition of the present invention further contains 1 to 10% by weight of a chlorine agent.
It is preferable that the cleaning composition of the present invention contains such a chlorine agent in such an amount because it can have a further excellent detergency with the chlorine agent and a high sterilizing effect, a high deodorizing effect or a bleaching effect.
When the chlorinating agent is used in combination with a chelating agent, the corrosion of metals such as copper and copper alloys is remarkably accelerated. Even when the composition contains the above amount of chlorine agent, excellent anticorrosive ability can be exhibited. For this reason, when the cleaning composition of the present invention contains a chlorine agent, the conventional cleaning agent can exhibit excellent detergency, etc. due to the chlorine agent, and can also exhibit excellent anticorrosive ability. With this, there are advantageous effects that could not be realized.

In the cleaning composition of the present invention, the anticorrosive agent is preferably at least one selected from the group consisting of benzotriazole or a derivative thereof, benzimidazole or a derivative thereof, and benzothiazole or a derivative thereof.
Use of these anticorrosive agents is preferable because the anticorrosive ability of the cleaning composition is further improved and corrosion of metals such as copper or copper alloys can be more sufficiently suppressed.

In the cleaning composition of the present invention, the alkali agent is at least one selected from the group consisting of alkali metal hydroxides, alkali metal phosphates, alkali metal carbonates and alkali metal salts of silicic acid. It is preferable that it is a compound of these. When the alkaline agent is such a compound, the anticorrosive ability of the cleaning composition is further improved, and corrosion of metals such as aluminum, aluminum alloy, copper and copper alloy can be more sufficiently suppressed.

As the alkali metal salt of silicic acid in the present invention, sodium silicate is preferred.
When sodium silicate is used as the alkali agent, the anticorrosion ability is further improved, and the corrosion of the metal can be more sufficiently suppressed.
Among them, since the excellent anticorrosive ability can be exhibited, the molar ratio of Na ₂ O and SiO ₂ constituting the sodium silicate is Na ₂ O: SiO ₂ = 1: 0.5 to 1: 4. preferable.

In the cleaning composition of the present invention, the alkali agent contains an alkali metal salt of silicic acid, and the molar ratio between SiO ₂ contained in the alkali agent and the alkali agent converted as Na ₂ O is an alkali. Agent (Na ₂ O equivalent): SiO ₂ = 1: 0.6 to 1: 4 is preferable.
It is preferable for the molar ratio of the alkali agent (in terms of Na ₂ O) and SiO ₂ contained in the alkali agent to be in the above range since the cleaning composition will be more excellent in corrosion resistance.

The detergent composition of the present invention preferably further contains 0.01 to 10% by weight of a surfactant.
Moreover, it is preferable that the cleaning composition of the present invention further contains 0.1 to 20% by weight of a polymer dispersant having an average molecular weight of 3,000 to 300,000.
By including the surfactant and / or the polymer dispersant having an average molecular weight of 3,000 to 300,000 in the above amount, the dispersibility of the cleaning composition with respect to the soil component is further improved.
In addition, in this specification, an average molecular weight is a weight average molecular weight (Mw).

The cleaning composition of the present invention is particularly preferably used as a cleaning composition for an automatic dishwasher, for example.

The dishwashing method of the present invention is a dishwashing method using the cleaning composition of the present invention, and is a liquid cleaning composition obtained by diluting the cleaning composition of the present invention with water in an automatic dishwashing machine. A cleaning step of contacting the tableware, wherein the concentration of the cleaning composition in the liquid cleaning composition is 0.03 to 0.5% by weight.

In the dishwashing method of the present invention, when the concentration of the cleaning composition in the liquid cleaning composition used in the cleaning step is 0.03 to 0.5% by weight, an excellent cleaning effect and anticorrosion effect are obtained. Can be obtained.

In the dishwashing method of this invention, it is preferable that the said liquid cleaning composition contains 3-50 ppm of chlorine agents further. When the liquid detergent composition contains 3 to 50 ppm of chlorinating agent, in addition to the above-described effects, the chlorinating agent can exhibit further excellent detergency and high sterilizing effect, high deodorizing effect or bleaching effect. preferable.

The liquid detergent composition kit of the present invention comprises the detergent composition of the present invention and a chlorine agent, and the liquid detergent composition is prepared by mixing the detergent composition and the chlorine agent. The cleaning composition is in a state separated from the chlorinating agent.

The kit for liquid cleaning composition of this invention is for preparing the liquid cleaning composition containing the cleaning composition of this invention, and a chlorine agent. Since such a liquid cleaning composition contains the said cleaning composition, it can be used as a cleaning liquid which has the outstanding cleaning power and anticorrosion ability. Moreover, by including a chlorine agent, a high sterilizing effect, a high deodorizing effect and a bleaching effect can be exhibited. Furthermore, in the kit for the liquid cleaning composition of the present invention, the cleaning composition component and the chlorinating agent at the time of storage or the like can be obtained by being separated until the cleaning composition and the chlorinating agent are mixed. The effect that decomposition | disassembly of can be prevented is also show | played.

The cartridge cleaning agent of the present invention is a system in which a water-insoluble container having a content supply port is installed with the supply port facing downward, and water is injected into the supply port while melting the content. A cartridge cleaner for an automatic dishwashing machine, wherein the container comprises a container body, an inner lid body, and an outer lid body, and the contents include the detergent composition of the present invention and a chlorine agent. The cleaning composition is composed of a solid body, a granular body or a powdery body molded into a predetermined shape, and the chlorinating agent is composed of a solid body, a granular body or a powdered body molded into a predetermined shape, The container body contains the cleaning composition, the inner lid contains the chlorine agent, and the chlorine agent is placed between the container body and the inner lid. Or a partition for preventing movement of the cleaning composition is provided. That.

When the cartridge cleaning agent of the present invention is used for cleaning tableware and the like, the tableware and the like can be cleaned with a cleaning liquid containing the cleaning composition of the present invention and a chlorine agent. Since such a cleaning liquid contains the said cleaning composition, it has the outstanding cleaning power and anti-corrosion ability. Moreover, by including a chlorine agent, a high sterilizing effect, a high deodorizing effect and a bleaching effect can be exhibited.

Further, in the cartridge cleaning agent of the present invention, the chlorine agent is not disposed inside the container body, but is stored in the inner lid body, and the cleaning composition is stored in the container body. In addition, since a partition for preventing the movement of the chlorine agent or the cleaning composition is provided between the container main body and the inner lid body, the cleaning composition and the chlorine agent are completely removed when the cartridge cleaning agent is manufactured. It can manufacture in the state which does not contact, and can prevent partial decomposition | disassembly of a chlorine agent or a cleaning composition.
Furthermore, since the chlorine agent and the cleaning composition are arranged in a state separated by a partition, they can be easily manufactured, and can be manufactured inexpensively and safely.

Furthermore, in the cartridge cleaning agent of the present invention, by adjusting the amount of the cleaning agent composition contained in the main body container and the amount of the chlorine agent contained in the inner lid, chlorine can be easily obtained even when the temperature of the jet water is low. The supply amount of the agent can be controlled within an appropriate range. Therefore, it is possible to sufficiently supply the chlorine agent into the automatic dishwashing machine during cleaning, and to prevent excessive supply of the chlorine agent.

The cleaning composition of the present invention has excellent detergency and anticorrosive ability.
The cleaning composition of the present invention is suitable as a cleaning agent for an automatic dishwasher, for example.

FIG. 1 is an explanatory view schematically showing an example of a container constituting the cartridge cleaning agent of the present invention. FIG. 2 is a conceptual diagram schematically showing an example of an inner lid body constituting the cartridge cleaning agent of the present invention. FIG. 3 is a conceptual diagram schematically showing an example of the cartridge cleaning agent of the present invention. FIG. 4 is a conceptual diagram schematically showing another example of the cartridge cleaning agent of the present invention. FIG. 5 is a conceptual diagram schematically showing still another example of the cartridge cleaning agent of the present invention. FIG. 6 is a conceptual diagram schematically showing still another example of the cartridge cleaning agent of the present invention. FIG. 7 (a) is a conceptual diagram schematically showing another example of the inner lid constituting the cartridge cleaning agent of the present invention, and FIG. 7 (b) is an inner lid shown in FIG. 7 (a). FIG. 7C is a conceptual diagram schematically showing a state in which a solid chlorine agent is accommodated in FIG. 7C, in which a film member as an outer lid is bonded to the back surface of the inner lid shown in FIG. It is a conceptual diagram which shows a state typically. FIG. 8 is a conceptual diagram schematically showing still another example of the cartridge cleaning agent of the present invention.

Hereinafter, embodiments of the present invention will be specifically described. However, the present invention is not limited to the following embodiments, and can be applied with appropriate modifications without departing from the scope of the present invention.

The cleaning composition of the present invention contains 10 to 60% by weight of an alkaline agent, 0.05 to 5% by weight of an anticorrosive agent and 8 to 60% by weight of a chelating agent.
In the present specification, the blending amount of each component of the cleaning composition is wt% with respect to the cleaning composition unless otherwise specified.
Each of the alkali agent, anticorrosive agent and chelating agent may be used alone or in combination of two or more.

The alkaline agent may be a water-soluble alkaline agent. For example, an alkali metal salt or an alkaline earth metal salt can be used. The alkali metal salt is preferably at least one compound selected from the group consisting of alkali metal hydroxides, alkali metal phosphates, alkali metal carbonates, and alkali metal salts of silicic acid. Alkali metal hydroxides such as sodium oxide and potassium hydroxide; Alkali metal phosphates such as trisodium phosphate; Alkali metal carbonates such as sodium carbonate, potassium carbonate, sodium bicarbonate and potassium bicarbonate; Sodium silicate (sodium metasilicate, sodium sesquisilicate, sodium orthosilicate, sodium silicate 1, sodium silicate 2, sodium silicate 3, sodium silicate 4), potassium silicate (potassium metasilicate, sesquisilicate) An alkali metal salt of silicic acid such as potassium or potassium orthosilicate) is preferred. These alkaline agents may be hydrated. Among these, an alkali metal salt of silicic acid is more preferable, and sodium silicate is more preferable. In addition, the compound illustrated as a chelating agent mentioned later is not contained in the alkaline agent in this invention.

The molar ratio of Na ₂ O and SiO ₂ constituting the sodium silicate is preferably Na ₂ O: SiO ₂ = 1: 0.5 to 1: 4, and 1: 0.6 to 1: 4. Is more preferable. When such a sodium silicate has a molar ratio of Na ₂ O to SiO ₂ , the anticorrosive ability of the cleaning composition is further improved. The molar ratio of Na ₂ O and SiO ₂ is more preferably Na ₂ O: SiO ₂ = 1: 0.7 to 1: 3.5.

In the cleaning composition of the present invention, the alkali agent preferably contains an alkali metal salt of silicic acid. In this case, the molar ratio of SiO ₂ contained in the alkali agent to the alkali agent converted as Na ₂ O is alkali agent (Na ₂ O conversion): SiO ₂ = 1: 0.6 to 1: 4. It is preferable that When the molar ratio between the SiO ₂ contained in the alkali agent and the alkali agent (Na ₂ O conversion) is in the above range, the cleaning composition has a more excellent anticorrosive ability. The molar ratio (alkali agent (Na ₂ O equivalent): SiO ₂ ) between SiO ₂ contained in the alkali agent and the alkali agent (Na ₂ O equivalent) is more preferably 1: 0.7 to 1: 4. Yes, more preferably 1: 0.8 to 1: 4.

Content of the said alkali agent is 10 to 60 weight% with respect to a cleaning composition. When the alkaline agent is less than 10% by weight, the cleaning power of the cleaning composition is insufficient. If the alkali agent exceeds 60% by weight, the anticorrosive ability of the cleaning composition will be insufficient. The content of the alkali agent is preferably 20 to 50% by weight.

As said anticorrosive, it is preferable to use the anticorrosive with respect to copper or a copper alloy. Examples of such anticorrosives include benzotriazole or its derivatives (for example, benzotriazole, tolyltriazole, 5-dodecylbenzotriazole, 5-octylbenzotriazole, 5-hexylbenzotriazole, 5-butylbenzotriazole, 5-methyl Benzotriazole, 4-carboxybenzotriazole, 5-carboxybenzotriazole, carboxybenzotriazole methyl ester, carboxybenzotriazole butyl ester, carboxybenzotriazole hexyl ester, benzotriazole octyl ester, dicarboxypropylbenzotriazole, etc.), benzimidazole or its Derivatives (eg, benzimidazole, 2-mercaptobenzimidazole, thiazolylbenzoy Imidazole, thiabendazole, etc.), benzothiazole or derivatives thereof (e.g., benzothiazole, 2-methyl-benzothiazole, 2-aminobenzothiazole, 2-mercaptobenzothiazole, etc.) can be suitably used. Among these, benzimidazole, benzotriazole, and tolyltriazole are preferable, and benzimidazole is more preferable.

The content of the anticorrosive is 0.05 to 5% by weight with respect to the cleaning composition. If the anticorrosive agent is less than 0.05% by weight, the anticorrosive ability of the cleaning composition will be insufficient. When the anticorrosive agent exceeds 5% by weight, the influence of the odor peculiar to the anticorrosive agent becomes strong. The content of the anticorrosive is preferably 0.1 to 2% by weight.

Examples of the chelating agent include aminocarboxylic acid-based, hydroxycarboxylic acid-based, phosphoric acid-based, ether carboxylate, and phosphonic acid-based chelating agents. A compound such as sodium polyacrylate exemplified as a polymer dispersant having an average molecular weight of 3,000 to 300,000 described later is not included in the chelating agent in the present invention.

Examples of the aminocarboxylic acid-based chelating agents include ethylenediaminetetraacetic acid (EDTA), nitrilotriacetic acid (NTA), methylglycine diacetic acid (MGDA), diethylenetriaminepentaacetic acid (DTPA), hydroxyethylethylenediaminetriacetic acid (HEDTA), Ethylenetetramine hexaacetic acid (TTHA), glutamic acid diacetic acid (GLDA), hydroxyethyliminodiacetic acid (HIDA), dihydroxyethylglycine (DHEG), 1,3-propanediaminetetraacetic acid (PDTA), 1,3-diamino-2 -Hydroxypropane hexaacetic acid (DPTA-OH), aspartic acid diacetic acid (ASDA), ethylenediaminesuccinic acid (EDDS), or a salt thereof.

Examples of the hydroxycarboxylic acid-based chelating agent include malic acid, succinic acid, citric acid, lactic acid, tartaric acid, gluconic acid, and salts thereof (for example, sodium salt, potassium salt, magnesium salt, calcium salt, etc.). It is done. Specific examples include citrates such as sodium citrate and calcium citrate; malates such as sodium malate and calcium malate; and gluconates such as sodium gluconate and calcium gluconate.

Examples of the phosphoric acid-based chelating agent include tripolyphosphoric acid and hexametaphosphate.
Examples of the phosphonic acid-based chelating agent include hydroxyethylidene diphosphonic acid (HEDP), nitrilotrismethylenephosphonic acid (NTMP), phosphonobutanetricarboxylic acid (PBTC), ethylenediaminetetramethylenephosphonic acid (EDTMP), and salts thereof. Is mentioned.

As the chelating agent in the present invention, aminocarboxylic acid-based and phosphonic acid-based chelating agents are preferable, such as nitrilotriacetic acid, ethylenediaminetetraacetic acid, methylglycinediacetic acid, ethylenediaminetetramethylenephosphonic acid, phosphonobutanetricarboxylic acid, or these. A salt or the like is more preferable, and nitrilotriacetic acid, ethylenediaminetetraacetic acid or a salt thereof is more preferable.

The content of the chelating agent is 8 to 60% by weight with respect to the cleaning composition. When the chelating agent is less than 8% by weight, the cleaning power of the cleaning composition becomes insufficient. When the chelating agent exceeds 60% by weight, the anticorrosive ability of the cleaning composition becomes insufficient. The content of the chelating agent is preferably 30 to 50% by weight.

The cleaning composition of the present invention preferably contains a chlorine agent.
Examples of the chlorinating agent include chlorinated isocyanurate (chlorinated isocyanurate (sodium dichloroisocyanurate), chlorinated isocyanurate (potassium dichloroisocyanurate), etc.), trichloroisocyanurate, hypochlorite ( Sodium hypochlorite, potassium hypochlorite, calcium hypochlorite, etc.). These chlorine agents may be used alone or in combination of two or more. These chlorine agents may be hydrates. Among these, as the chlorinating agent, chlorinated isocyanurate and trichloroisocyanuric acid are preferable, and chlorinated sodium isocyanurate is more preferable.

When the cleaning composition of the present invention contains a chlorine agent, the content of the chlorine agent is preferably 1 to 10% by weight with respect to the cleaning composition. Content of the said chlorine agent is weight% of the pure part except water or crystal water. If the chlorinating agent is less than 1% by weight, sufficient effects may not be obtained in detergency, disinfection effect, deodorizing action or bleaching action. When a chlorine agent exceeds 10 weight%, the anti-corrosion ability of a cleaning composition may fall. The content of the chlorine agent is preferably 2 to 5% by weight.

The detergent composition of the present invention preferably contains a surfactant and / or a polymer dispersant having an average molecular weight of 3,000 to 300,000, and has a surfactant and an average molecular weight of 3,000 to 300,000. It is more preferable to contain a polymer dispersant. These may be used alone or in combination of two or more.

As the surfactant used in the cleaning composition of the present invention, a known anionic surfactant, a known cationic surfactant, a known amphoteric surfactant, a known nonionic surfactant, etc. are used. Preferably, it is a nonionic surfactant. Nonionic surfactants include, for example, polyoxyalkylene monoalkyl ether, polyoxyalkylene dialkyl ether, pluronic block polymer, reverse pluronic block polymer, tetronic block polymer, reverse tetronic block polymer, polyoxyalkylene alkyl Phenyl ether, fatty acid alkanolamide, polyoxyalkylene fatty acid alkanolamide, polyoxyalkylene fatty acid ester, polyoxyalkylene sorbitan fatty acid ester, polyglycerin fatty acid ester, sorbitan fatty acid ester, sucrose fatty acid ester, alkyl polyglycoside, polyoxyethylene methyl ether Examples include fatty acid esters and polyoxyalkylene alkylamines. Among these, polyoxyalkylene monoalkyl ether is preferable.

The content of the surfactant is preferably 0.01 to 10% by weight with respect to the cleaning composition. It is preferable for the content of the surfactant to be in the above range since the cleaning power of the cleaning composition is further improved. The content of the surfactant is more preferably 2 to 8% by weight.

Examples of the polymer dispersant having an average molecular weight of 3,000 to 300,000 include, for example, polyacrylic acid, polyaconitic acid, polyitaconic acid, polycitraconic acid, polyfumaric acid, polymaleic acid, polymethaconic acid, and poly-α-hydroxyacrylic. Acid, polyvinylphosphonic acid, sulfonated polymaleic acid, olefin-maleic acid copolymer, maleic anhydride diisobutylene copolymer, maleic anhydride styrene copolymer, maleic anhydride methyl vinyl ether copolymer, maleic anhydride ethylene copolymer Polymer, maleic anhydride ethylene cross-linked copolymer, maleic anhydride acrylic copolymer, maleic anhydride vinyl acetate copolymer, maleic anhydride acrylonitrile copolymer, maleic anhydride acrylic ester copolymer, anhydrous Maleic acid butadiene copolymer , Maleic anhydride isoprene copolymer, poly-β-ketocarboxylic acid derived from maleic anhydride and carbon monoxide, itaconic acid, ethylene copolymer, itaconic acid aconitic acid copolymer, itaconic acid maleic acid copolymer Itaconic acid acrylic acid copolymer, malonic acid methylene copolymer, itaconic acid fumaric acid copolymer, ethylene glycol ethylene terephthalate copolymer, vinylpyrrolidone vinyl acetate copolymer, and metal salts thereof.
Examples of the metal salt include salts of alkali metals such as potassium and sodium; alkaline earth metal salts such as magnesium and calcium. Among them, alkali metal salts are preferable, and sodium salts or potassium salts are more preferable.
The polymer dispersant of 3,000 to 300,000 in the present invention is preferably a polyacrylate, and more preferably sodium polyacrylate.

The content of the polymer dispersant having an average molecular weight of 3,000 to 300,000 is preferably 0.1 to 20% by weight with respect to the cleaning composition. It is preferable for the content of the polymer dispersant to be in the above range because the cleaning power of the cleaning composition is further improved. The content of the polymer dispersant is more preferably 1 to 18% by weight, and further preferably 3 to 15% by weight.

The cleaning composition of the present invention may contain other components blended in the cleaning composition, such as a solvent, an extender, an enzyme, and an antifoaming agent, as necessary. These may be used alone or in combination of two or more.

Examples of the solvent include water.
Examples of the extender include sodium sulfate (sodium salt) and powdered silica.
Examples of the enzyme include protease, esterase, lipase, nuclease, cellulase, amylase, and pectinase. When these enzymes are contained, the cleaning power is improved by the function of the enzymes.
Examples of the antifoaming agent include emulsion type, oil type, oil compound type, solution type, and self-emulsifying type.

The dosage form of the cleaning composition of the present invention may be liquid or solid (powder, granules (granular), tablets, tablets, flakes, blocks, etc.). Preferably, it is solid, such as powder, granule, block and the like. The cleaning composition of the present invention is also suitably used for cartridge cleaning agents and the like.

The manufacturing method of the cleaning composition of the present invention is not particularly limited, and may be appropriately selected depending on the dosage form. For example, it can be produced by mixing or stirring the above-mentioned alkali agent, anticorrosive agent, chelating agent, and optionally added chlorine agent, nonionic surfactant, polymer dispersant and the like. The order of mixing each component, the method of mixing or stirring, etc. are not particularly limited.

For example, when producing a solid detergent composition such as a block, for example, first, water and raw materials of the detergent composition other than water are mixed by stirring to prepare a slurry liquid, and then the slurry liquid is prepared. It is preferable to put into a desired mold or container and cool and solidify.

Specifically, first, after adding the raw material of the cleaning composition other than water to water, the slurry liquid containing water and the cleaning composition is prepared by maintaining at 30 to 90 ° C. and stirring.
The amount of the raw material for the cleaning composition other than water is preferably 35 to 100% by weight based on the total amount of the slurry.
Next, the slurry liquid is charged into a desired mold or container, and then the slurry liquid is left to solidify at room temperature for 1 to 24 hours to be solidified into a mold or container shape. Manufacturing things.

When producing a granular (granular) detergent composition, an alkali agent, anticorrosive agent and chelating agent as raw materials for the detergent composition, and optionally added chlorine agent, surfactant and polymer dispersant What is necessary is just to mix granular raw materials, such as. For mixing, a ribbon mixer, a nauter mixer, and a drum mixer are preferably used.
In addition, when producing a powdery cleaning composition, alkaline agents, anticorrosives and chelating agents as raw materials for the cleaning composition, and optionally added chlorine agents, surfactants, polymer dispersing agents, etc. The powdery raw material may be mixed. For mixing, a ribbon mixer, a nauter mixer, and a drum mixer are preferably used.

The cleaning composition of the present invention is excellent in detergency and has a high anticorrosive ability against metals such as aluminum, aluminum alloy, copper and copper alloy, and is therefore suitable as a cleaning composition for automatic dishwashers, for example. Used for.

As a method of using the cleaning composition of the present invention, for example, when cleaning dishes, etc., the cleaning composition is diluted with water, and the cleaning composition is used as a cleaning liquid to be brought into contact with the dishes etc. That's fine. The concentration of the cleaning composition in the liquid cleaning composition is preferably 0.03 to 0.5% by weight, for example. Use at such a concentration is preferable because the cleaning liquid can exhibit excellent cleaning power and corrosion resistance. Moreover, the temperature of the liquid detergent composition (cleaning liquid) used for cleaning is not particularly limited, but is preferably 40 to 70 ° C, for example.

When the cleaning composition of the present invention does not contain a chlorinating agent, excellent cleaning power exhibited by the cleaning composition of the present invention can be obtained by using the cleaning composition and the chlorinating agent in combination. Further, in addition to the anticorrosive ability, it is possible to obtain a further excellent detergency and high sterilizing effect, high deodorizing effect or bleaching effect by the chlorine agent.

The dishwashing method of the present invention is a dishwashing method using the cleaning composition of the present invention, wherein the cleaning composition is diluted with water in an automatic dishwashing machine, and the dishwashing method. And the concentration of the cleaning composition in the liquid cleaning composition is 0.03 to 0.5% by weight. Although the automatic dishwasher used for the dishwashing method of this invention is not specifically limited, Preferably it is a commercial automatic dishwasher.

When the concentration of the cleaning composition in the liquid cleaning composition is 0.03 to 0.5% by weight, the liquid cleaning composition can exhibit excellent cleaning power and corrosion resistance. The concentration of the cleaning composition in the liquid cleaning composition is preferably 0.04 to 0.3% by weight.

In the dishwashing method of this invention, it is preferable that the said liquid cleaning composition contains 3-50 ppm of chlorine agents further. In this specification, the density | concentration of the chlorine agent in a liquid cleaning composition means the effective chlorine concentration measured with the following method. 100 g of the cleaning composition (cleaning liquid) in the cleaning tank is sampled, reacted with 5 g of potassium iodide, and titrated with a 0.01N sodium thiosulfate aqueous solution. When the titration amount A (mL) and the effective chlorine concentration to be obtained are AvCL (ppm), AvCL (ppm) = A (mL) × 3.546 can be obtained.
It is preferable that the liquid detergent composition contains 3 to 50 ppm of a chlorine agent because it can exhibit further excellent detergency and high sterilizing effect, high deodorizing effect or bleaching effect. The concentration of the chlorine agent in the liquid detergent composition is preferably 5 to 45 ppm.

The chlorine agent may be included in the cleaning composition, or may be added separately from the cleaning composition. In the dishwashing method of the present invention, the cleaning composition containing the above-described chlorine agent may be used as the cleaning composition, or a cleaning composition containing no chlorine agent may be used.

In the case where a cleaning composition containing a chlorine agent is used in the cleaning step, when the liquid cleaning composition having a concentration of the cleaning composition of 0.03 to 0.5% by weight is prepared, the liquid It is preferable to appropriately set the blending amount of the chlorine agent so that the concentration of the chlorine agent in the cleaning composition is 3 to 50 ppm. A chlorine agent and its preferable aspect are as above-mentioned, 1 type (s) or 2 or more types can be used.

When the cleaning composition used in the cleaning step does not contain a chlorine agent, a chlorine agent can be added separately to the liquid cleaning composition. The method for adding the chlorine agent is not particularly limited as long as the amount of the chlorine agent is contained in the liquid detergent composition. For example, a liquid detergent composition may be prepared by adding a chlorine agent to an aqueous solution obtained by diluting the detergent composition with water, or a chlorine agent may be added to the detergent composition at the time of use. The cleaning composition may be diluted with an aqueous chlorine agent solution in which the agent is diluted.
Such a dishwashing method using the cleaning composition of the present invention not containing a chlorine agent and a chlorine agent, wherein the cleaning composition and the chlorine agent are diluted with water in an automatic dishwashing machine. A cleaning step of bringing the liquid cleaning composition into contact with tableware, wherein the concentration of the cleaning composition in the liquid cleaning composition is 0.03 to 0.5% by weight, and the concentration of the chlorine agent A dishwashing method in which is 3 to 50 ppm is one embodiment of the present invention.

In the cleaning step, a cleaning agent composition containing a chlorine agent can be used, and a chlorine agent can be added separately to adjust the chlorine concentration in the liquid cleaning composition.
In the above-described cleaning step, when a chlorine agent is added separately from the cleaning composition, examples of the chlorine agent include the compounds described above, and one or more types can be used. Among them, chlorinated isocyanurate, trichloroisocyanuric acid and hypochlorite are preferable, sodium chlorinated isocyanurate, trichloroisocyanuric acid and sodium hypochlorite are more preferable, sodium chlorinated isocyanurate and sodium hypochlorite. Is more preferable.

Although the temperature of the liquid detergent composition in the said washing | cleaning process is not specifically limited, For example, it is preferable to set it as 40-70 degreeC, and 50-65 degreeC is more preferable. The washing time is not particularly limited, but is usually 0.5 to 2 minutes per cycle, and preferably 1 to 1.5 minutes per cycle.

The detergent composition used in the dishwashing method of the present invention and preferred embodiments thereof are as described above. Preferably, a solid detergent composition is used.
Moreover, when adding a chlorine agent separately from a cleaning composition in a washing | cleaning process, it is preferable that a chlorine agent is solid. The chlorinating agent may be a chlorinating agent alone as an active ingredient, or may be granulated or solidified by adding a binding aid or the like to the chlorinating agent.

The method of supplying the cleaning composition and the chlorine agent used as desired is not particularly limited. For example, an automatic supply device may be used, or the supply may be performed manually. In addition, as a cleaning composition and a chlorinating agent used in the cleaning method of the present invention, a liquid cleaning composition kit or cartridge cleaning agent described later can be used.

The kit for a liquid cleaning composition of the present invention comprises the cleaning composition and a chlorinating agent, and the liquid cleaning composition is prepared by mixing the cleaning composition and the chlorinating agent. The cleaning composition is in a state separated from the chlorinating agent.
Although the cleaning composition contained in the kit for the liquid cleaning composition of the present invention and preferred embodiments thereof are as described above, it is preferable that no chlorine agent is contained.

Examples of the chlorine agent include the compounds described above, and one or more can be used. Among them, chlorinated isocyanurate, trichloroisocyanuric acid and hypochlorite are preferable, sodium chlorinated isocyanurate, trichloroisocyanuric acid and sodium hypochlorite are more preferable, sodium chlorinated isocyanurate and trichloroisocyanuric acid are further included. preferable. The chlorinating agent may be a chlorinating agent alone as an active ingredient, or may be granulated or solidified by adding a binding aid or the like to the chlorinating agent.
The ratio of the chlorine agent to the total amount of the cleaning composition and the chlorine agent in the kit of the present invention is preferably 1 to 10% by weight, more preferably 2 to 5% by weight. For example, when the kit for a liquid detergent composition of the present invention is used in the above-described dishwashing method, a liquid detergent composition having a concentration of the detergent composition of 0.03 to 0.5% by weight was prepared. In this case, it is preferable to appropriately set the blending amount of the chlorinating agent so that the concentration of the chlorinating agent in the liquid cleaning composition is 3 to 50 ppm.

The liquid detergent composition kit of the present invention is not particularly limited as long as it contains the detergent composition and the chlorine agent in a separated state. For example, a cartridge cleaning agent described below is one of the preferred embodiments of the kit of the present invention.

The cartridge cleaning agent of the present invention is a system in which a water-insoluble container having a content supply port is installed with the supply port facing downward, and water is injected into the supply port while melting the content. A cartridge cleaner for an automatic dishwasher
The container comprises a container body, an inner lid body, and an outer lid body,
The content includes the cleaning composition of the present invention and a chlorine agent,
The cleaning composition is composed of a solid body, a granular body or a powdery body molded into a predetermined shape, and the chlorine agent is composed of a solid body, a granular body or a powdered body molded into a predetermined shape,
The container body contains the cleaning composition,
The inner lid contains the chlorine agent, and a partition is provided between the container body and the inner lid to prevent the chlorine agent or the cleaning composition from moving. It is characterized by that.

In the present invention, the solid body in the present invention is a sphere having a diameter of 5 cm or more (preferably 5 to 30 cm), a diameter of 5 cm or more (preferably 5 to 25 cm) and a height of 5 cm or more (preferably Means a columnar shape having a height of 5 to 25 cm) or containing 80% by weight or more of the same volume, and in the case of a chlorine agent, a spherical shape having a diameter of 5 mm or more (preferably a diameter of 5 to 50 mm) or a volume equivalent thereto. The thing containing 80 weight% or more of the thing. In addition, the granular material does not correspond to the above-mentioned conditions of the solid body and includes 80% by weight or more of a spherical shape having a diameter of 0.1 mm or more (preferably a diameter of 0.1 to 10 mm) or a volume equivalent thereto. A fine powder means a material having a spherical shape with a diameter of 0.1 mm or more or an equivalent volume of less than 80% by weight.

In the cartridge cleaning agent of the present invention, the inner lid body has a through hole for allowing the jet water to pass therethrough, and further includes a mounting portion for mounting the chlorine agent. An opening for draining the cleaning liquid to the outside of the container is formed, and a cover for covering the placement portion for holding the chlorinating agent inside the inner lid is provided, and the outer lid is It is desirable to block the space inside and outside the container until use, and to remove it during use, and it is desirable to be made of a film-like member or a hard member.

The cartridge cleaning agent of the present invention requires a member for spatially blocking the contents, and also includes a member for allowing the jet water to pass through and discharging the cleaning liquid that has come into contact with the cleaning composition and the chlorine agent out of the container. Necessary. Therefore, in the cartridge cleaning agent of the present invention, the inner lid formed with the through hole for allowing the jet water to pass through and the opening for draining the cleaning liquid to the outside of the container, and the outer lid for blocking the space inside and outside the container until use And are provided.
The inner lid may be fixed to the container body or may be removable. Further, the through hole may be one large through hole, or a plurality of small through holes may be formed. If necessary, a water-soluble film may be attached at the time of attachment so that the contents do not spill.

In the cartridge cleaning agent having the above-described configuration, an inner lid for storing the chlorine agent is provided in order to separate and store the cleaning agent composition and the chlorine agent. The holding | maintenance cover part is provided and, thereby, a chlorine agent can be isolate | separated on a suitable condition from a cleaning composition. Thereby, the effect mentioned above can be acquired.

In the cartridge cleaning agent of the present invention, it is desirable that the inner lid body is provided with a partition member for restricting movement of the chlorine agent.
By restricting the movement of the chlorine agent by the partition member, each chlorine agent can be uniformly dissolved.

The components included in the cleaning composition used in the cartridge cleaning agent of the present invention and preferred embodiments thereof are as described above, but it is preferable that no chlorine agent is included.

Examples of the chlorine agent used in the cartridge cleaning agent of the present invention include compounds that can be used in the above-described cleaning composition of the present invention, and one or more of them can be used. Among them, chlorinated isocyanurate, trichloroisocyanuric acid and hypochlorite are preferable, sodium chlorinated isocyanurate, trichloroisocyanuric acid and sodium hypochlorite are more preferable, sodium chlorinated isocyanurate and trichloroisocyanuric acid are further included. preferable. The chlorinating agent may be a chlorinating agent alone as an active ingredient, or may be granulated and solidified by adding a binding aid to the chlorinating agent.

In the cartridge cleaning agent of the present invention, the cleaning composition is preferably composed of a solid body molded into a predetermined shape, and the chlorine agent is preferably composed of a solid body or granular material molded into a predetermined shape.
In the cartridge cleaning agent of the present invention, the shape of the chlorine agent or the cleaning composition may be a single shape, or within the range of the combination described in the claims, the granular material and the solid material, or the size or combination A plurality of shapes of agents such as a plurality of solid bodies having different agents may be used in combination.

The above aspect is an aspect of the cartridge cleaning agent of the present invention, wherein the cleaning composition is made of a solid body, the chlorinating agent is made of a solid body or a granular body, and both have a small surface area and are difficult to contact. Therefore, the cartridge cleaning agent having the above-described configuration can prevent the chlorine agent and a part of the cleaning agent composition from being decomposed, and can supply an appropriate amount of the chlorine agent into the automatic dishwasher during the cleaning. It is possible to provide a cartridge cleaning agent that can be easily manufactured and can be manufactured safely.

In the cartridge cleaning agent having the above-described configuration, the chlorine agent is preferably a solid body formed into a predetermined shape.
In the cartridge cleaning agent used by jetting water, the cleaning composition is wetted by the jet water to more than the part to be used sequentially, and the cleaning composition such as a chelating agent and the chlorine agent with the water as an intermediate. However, in the cartridge cleaning agent having the above structure, since the opportunity for contact between the cleaning agent composition and the chlorine agent is small, the above problem is unlikely to occur. If the shape of the cleansing composition is solid and the shape of the chlorinating agent is also solid, the contact probability at the time of storage and use of the cleaning agent composition and the chlorinating agent is the least, resulting in reaction, etc. It is most suitable as a cleaning agent for automatic dishwashers.

As described above, in the cartridge cleaning agent having the above-described configuration, when the chlorine agent is a solid body formed into a predetermined shape, the chlorine agent and the cleaning agent composition can be completely separated. The effect of the present invention becomes higher.

In the cartridge cleaning agent of the present invention, the ratio of the chlorine agent to the total amount of the cleaning composition and the chlorine agent is preferably 1 to 10% by weight. Note that the amount of the chlorinating agent is a weight% of pure component excluding water or crystal water.
When the proportion of the chlorinating agent is 1 to 10% by weight, excellent anticorrosive ability, excellent detergency and high sterilizing effect, high deodorizing effect or bleaching effect can be obtained. If the proportion of the chlorinating agent is less than 1% by weight, the amount of the chlorinating agent may be too small to disinfect the interior of the automatic dishwasher sufficiently, or the deodorizing effect or the bleaching effect may be insufficient. If the proportion of the chlorinating agent exceeds 10% by weight, the anticorrosive ability may be insufficient. In addition, when the amount of the chlorinating agent is too high, the cost becomes high, or when the temperature of the jet water is high, the supply amount of the chlorinating agent is too large and an irritating odor may be generated in the use environment.
The ratio of the chlorine agent to the total amount of the cleaning composition and the chlorine agent is preferably 2 to 5% by weight.

The cartridge cleaner of the present invention can be used as a cartridge cleaner for an automatic dishwasher.
In the cartridge cleaning agent of the present invention, the cleaning composition is stored in the container body, the chlorine agent is stored in the inner lid body, and the chlorine agent is interposed between the container body and the inner lid body. Or although the partition which prevents a movement of a cleaning composition is provided, the following can be considered as the embodiment.

Hereinafter, embodiments of the cartridge cleaning agent of the present invention will be described.
In the cartridge cleaning agent of the present invention, the chlorine agent comprises a solid body, granule or powder molded into a predetermined shape, and the cleaning composition comprises a solid body or granule molded into a predetermined shape, The chlorine agent is accommodated in the inner lid, and the cleaning composition is accommodated in the container body.

FIG. 1 is an explanatory view schematically showing an example of a container constituting a cartridge cleaning agent according to an embodiment of the present invention. FIG. 2 is a conceptual diagram schematically showing an example of an inner lid body constituting the cartridge cleaning agent shown in FIG.

As shown in FIG. 1, the container constituting the cartridge cleaning agent 10 according to this embodiment includes a container main body 11, an inner lid body 12, and an outer lid body 13.
The container body 11 has a so-called funnel shape in which the diameter of the lower portion of the cylindrical container is gradually reduced, and a screw 110a for screwing the inner lid body 12 is formed in the cylindrical member 11a having a small diameter at the bottom. Has been. Although not illustrated, in the present invention, the cylindrical member 11a may be configured to fix the inner lid body by a fitting type by a claw structure instead of screwing.

The inner lid body 12 has a bottomed cylindrical shape, and a cylindrical member 12d for allowing the jet water to pass through, and a cleaning liquid in which the cleaning composition 20 and the chlorine agent 21 (see FIG. 3) are dissolved pass through the bottom 12b. Two openings 12a are provided, and a screw 120a for screwing into the cylindrical member 11a of the container body 11 is provided on the inner wall of the cylindrical portion 12c of the inner lid body 12.
A portion for placing the chlorine agent, including the opening 12a and the bottom 12b, is a placement portion in the inner lid body 12.
Although two openings 12a are shown in FIG. 2, the number of openings 12a may be one or two or more.
Since the inner lid body 12 only needs to be fixed by being fitted into the cylinder member 11a, the cylinder member 11a of the container body 11 and the inner lid body 12 do not need to be provided with the screw 120a. In that case, if the nail | claw part is formed in the inner cover body 12 and the receiving structure of the nail | claw is formed in the direction of the cylinder member 11a, it can fix after inserting the inner cover body 12. FIG.

Further, the inner lid body 12 is further provided with an inner cylinder 12e, and is configured to accommodate the chlorine agent 21 inside the inner cylinder 12e. The chlorine agent 21 is accommodated inside the inner cylinder 12e. An annular cover portion 14 is provided for holding in a state.
The cover portion 14 constituting the inner lid body 12 is constituted by a member 14a having an opening in a net shape or a plate shape so that water can pass except for a portion overlapping with the cylindrical member 12d. Is provided with a support member 14b for supporting and fixing a member 14a having an opening in a net shape or a plate shape. Although not shown, the support member 14b is attached to the periphery of the upper surface of the inner cylinder 12e with an adhesive in a state in which the chlorine agent 21 is accommodated in the inner lid body 12, or has a nail shape. It is fixed by the structure etc., the chlorine agent 21 is hold | maintained inside the inner cover body 12 (inside the inner cylinder 12e), and it can be set as the isolation | separation state from the cleaning composition 20 which exists in the upper part.

The inner lid body is not limited to the above structure as long as it has a structure in which the chlorine agent is held and the jet water passes. Accordingly, the cylindrical member 12d and the inner cylinder 12e may be coupled to the cover portion 14, and the cylindrical member 12d and the inner cylinder 12e may be members independent of other members, or may have a structure without the inner cylinder 12e. .
Further, when the chlorine agent is a granular or solid body, the cover portion 14 may be a net having a roughness that does not leak the corresponding chlorine agent, and if the chlorine agent does not leak, the cylindrical member 12d and the inner cylinder 12e may be formed with slits, may be mesh-shaped, or may be formed with frames at appropriate intervals. Moreover, a rod-shaped thing may be provided instead of the inner cylinder 12e.
Further, the container body, the inner lid body, and the outer lid body may be formed by integrally molding two or more members. Specifically, for example, a structure in which an inner lid and a cover portion and an inner lid and an outer lid portion are coupled by a hinge may be used.

The outer lid 13 plays a role of blocking the space inside and outside the container until use, and is configured to be removed during use.
In FIG. 1, the outer lid body 13 is also provided with a screw 130 a and is screwed into the inner lid body 12. However, like the inner lid body, the screw 130 a is not provided, and the inner lid body 12 has a nail. A receiving structure may be formed, and shallow claws may be formed and fitted into the outer lid body 13.

The container body 11, the inner lid body 12, and the outer lid body 13 are made of plastic such as polyethylene, polypropylene, and PET. In particular, the outer lid body 13 is preferably a fitting type, and for that purpose, a rigid member is used. Is preferred.
In addition, the outer cover body 13 is comprised by the film-like member, and may be adhere | attached on the inner cover body 12 with the adhesive agent which can be peeled off at the time of use.

FIG. 3 is a conceptual diagram schematically showing an example of the cartridge cleaning agent of the present invention.
In this example, the cleaning composition 20 is a solid body solidified in the shape of the container body 11, while the chlorinating agent 21 is made of a powdery material, and the chlorinating agent 21 made of a powdery material is an inner lid. 12, and is configured not to scatter outside the inner lid body 12 by the cover portion 14. Since the chlorine agent 21 is a powder, a fine mesh member is also provided in the opening 12a so as not to scatter from the opening 12a provided in the bottom 12b.
In the cartridge cleaning agent 10 shown in FIG. 3, the cleaning agent composition 20 and the chlorine agent 21 are separated by the cover part 14 and are not in direct contact with each other. Therefore, the chlorine agent 21 and the cleaning agent composition 20 are separated from each other. There is no reaction, and the chlorine agent 21 and the detergent composition 20 dissolved in water can be satisfactorily supplied into the cleaning liquid. In addition, although it is hard to understand in FIG. 3, the cleaning composition 20 is naturally not accommodated inside the cylindrical member 12d. The same applies to the cartridge cleaning agent of FIGS.

FIG. 4 is a conceptual diagram schematically showing another example of the cartridge cleaning agent of the present invention.
In this example, the cleaning agent composition 22 is a granular body, while the chlorinating agent 23 is made of a solid body molded into a predetermined shape, and the chlorinating agent 23 made of a solid body is placed inside the inner lid body 12. It is placed and held inside by the cover portion 14.
Also in the cartridge cleaning agent 15 shown in FIG. 4, the cleaning agent composition 22 and the chlorine agent 23 are separated by the cover part 14 and do not come into direct contact.

FIG. 5 is a conceptual diagram schematically showing still another example of the cartridge cleaning agent of the present invention.
In this example, the cleaning composition 22 and the chlorine agent 24 are both granular, but the chlorine agent 24 composed of the granular material is placed inside the inner lid 12 and is covered by the cover portion 14. Is held in. Also in the cartridge cleaning agent 16 shown in FIG. 5, the cleaning agent composition 22 and the chlorine agent 24 are separated by the cover part 14 and are not in direct contact with each other.

FIG. 6 is a conceptual diagram schematically showing still another example of the cartridge cleaning agent of the present invention.
In this example, the cleaning agent composition 22 is a granular body, while the chlorinating agent 21 is a powdery body, and the chlorinating agent 21 made of a powdery body is placed inside the inner lid body 12. It is held inside by the cover part 14. Also in the cartridge cleaning agent 17 shown in FIG. 6, the cleaning agent composition 22 and the chlorine agent 21 are separated by the cover part 14 and are not in direct contact with each other.
Thus, the chlorine agent and the cleaning composition are separated by the cover part constituting the inner lid, and the chlorine agent and the cleaning composition are not in direct contact with each other. The decomposition of a part of the object can be prevented.

FIG. 7 (a) is a conceptual diagram schematically showing another example of the inner lid constituting the cartridge cleaning agent of the present invention, and FIG. 7 (b) is an inner lid shown in FIG. 7 (a). FIG. 7C is a conceptual diagram schematically showing a state in which a solid chlorine agent is accommodated in FIG. 7C, in which a film member as an outer lid is bonded to the back surface of the inner lid shown in FIG. It is a conceptual diagram which shows a state typically.

The inner lid body 32 shown in FIG. 7 (a) has a bottomed cylindrical shape, and a cylindrical member 32d for allowing spray water to pass therethrough, a cleaning composition 20 (see FIG. 8), and a chlorine agent at the bottom 32b. 23 (see FIG. 7B) is provided with an opening 32a for allowing the dissolved cleaning liquid to pass therethrough, and the inner wall of the cylindrical portion 32c of the inner lid 32 is screwed into the cylindrical member 11a of the container body 11. Screw 320a is provided.
A portion for placing the chlorine agent, including the opening 32 a and the bottom 32 b, is a placement portion in the inner lid body 32.
The bottom 32b has a mesh shape, and a large number of openings 32a are formed. If the bottom 32b is mesh-shaped and a large number of openings 32a are formed, there is an advantage that the cleaning liquid easily passes through the bottom of the inner lid and is discharged uniformly.

Further, the inner lid 32 is further provided with an inner cylinder 32e so that the chlorine agent 23 can be accommodated in the inner cylinder 32e (see FIG. 7B).
The chlorine agent contained in the inner lid 32 is preferably a solid chlorine agent 23 having a size that does not fall from the mesh-shaped opening 32a of the bottom 32b.
Further, in the inner cylinder 32e of the inner lid 32, partition members 32f for restricting the movement of the solid chlorine agent 23 are provided at a plurality of locations, and the space in the inner cylinder 32e is partitioned. . It is desirable that the interval between the partition members 32f be determined so that the solid chlorine agent enters between the partition members 32f. In this way, by restricting the movement of the solid chlorine agent 23, each chlorine agent can be uniformly dissolved.

In addition, it is desirable that the partitioning by the partitioning member 32f is not performed so that the space in the inner cylinder 32e is completely partitioned but is loosely partitioned. “Loosely” means that the space in the inner cylinder 32e is partitioned to the extent that the movement of the solid chlorine agent 23 is restricted by the partition member 32f, while the space between the partition member 32f and the inner wall of the inner cylinder 32e is And / or it means a state in which a space is provided between the outer wall of the partition member 32f and the cylindrical member 32d so that liquid such as water and cleaning liquid can freely move between the inner cylinders 32e. In such a state, even if a liquid such as water or a cleaning liquid is jetted to a specific part, the liquid does not bias in the inner cylinder 32e, so that only the specific chlorine agent 23 may be dissolved. Is prevented.

Moreover, as shown in FIG.7 (b), in order to hold | maintain the chlorine agent 23 in the state accommodated in the inside of the inner cylinder 32e, the annular-shaped cover part 34 is provided.
Although the role of the cover part 34 is the same as that of the cover part 14 shown in FIG. 2, FIG. 7B shows a member 34a having a different opening shape as a form of the cover part. Further, the cover portion 34 does not have a portion corresponding to the support member of the cover portion 14 shown in FIG.
Further, although not shown, a step may be provided on the upper surface of the cylindrical member 32d so that the step 34 and the opening 34c of the cover 34 are engaged with each other to prevent the positional deviation of the cover 34.
Further, instead of the partition member 32f provided in the inner lid body 32, a partition member is provided on the surface of the cover portion 34 on the side of the inner lid body so that the space in the inner cylinder 32e can be partitioned when the cover portion 34 is covered. You may do it.

FIG. 7C shows a state in which a film member 33 as an outer lid is bonded to the back surface of the inner lid 32 shown in FIG.
The film member 33 may be adhered to the inner lid 32 with an adhesive that can be peeled off when the cartridge cleaning agent is used. The film member 33 can be peeled by grasping the protruding portion 33a to which the adhesive is not applied by hand. Alternatively, the film member may be a water-soluble film so that the film member is not dissolved by contact with water.

FIG. 8 is a conceptual diagram schematically showing still another example of the cartridge cleaning agent of the present invention.
8 uses the inner lid 32 and the cover 34 shown in FIG. 7B as the inner lid and the cover in the cartridge cleaning agent shown in FIG. 3, and the solid chlorine agent 23 is used as the inner lid 32. It is mounted inside. A film member 33 as an outer lid is bonded to the back surface of the inner lid 32.
Also in this embodiment, the chlorine agent and the cleaning agent composition are separated by the cover part constituting the inner lid body, and the chlorine agent and the cleaning agent composition are not in direct contact, and the chlorine agent and the cleaning agent composition The decomposition of a part of the object can be prevented. Further, the space inside and outside the container is blocked by the film member as the outer lid until use.

When manufacturing the cleaning composition used for the cartridge cleaning agent of the present invention, first, water and raw materials of the cleaning composition other than water are mixed by stirring to prepare a slurry liquid, and then the slurry liquid is cleaned with a cartridge. It is preferable to put in the container body constituting the agent and to cool and solidify.

Specifically, for example, first, after adding the raw material of the cleaning composition other than water to water, the slurry liquid containing water and the cleaning composition is prepared by maintaining at 30 to 90 ° C. and stirring. To do.
The amount of the raw material for the cleaning composition other than water is preferably 50 to 100% by weight based on the total amount of the slurry. As a result, a cleaning composition having a sufficiently high cleaning power when used as a cartridge cleaning agent can be obtained.

Next, the slurry liquid is charged into the container body, and then the slurry liquid is left to solidify at room temperature for 1 to 24 hours to produce a solid detergent composition solidified in the shape of the container body. When the slurry is put into another container having a predetermined shape and solidified, a solid body having the shape of the container is obtained.
When preparing a granular cleaning composition, mixing granular raw materials such as alkali agents, anticorrosives and chelating agents, and surfactants and polymer dispersants added as desired. do it. For mixing, a ribbon mixer, a nauter mixer, and a drum mixer are preferably used.
Further, when preparing a powdery detergent composition, powders such as alkali agents, anticorrosives and chelating agents, and surfactants and polymer dispersants that are added as desired are used as raw materials for the detergent composition. What is necessary is just to mix a raw material. For mixing, a ribbon mixer, a nauter mixer, and a drum mixer are preferably used.
The solid, granular or powdery cleaning composition formed into a predetermined shape prepared as described above is accommodated in the container body, and then the solid, granular or powdery shape formed into a predetermined shape. The cartridge cleaning agent of the present invention can be manufactured by combining the container main body, the inner lid body, and the outer lid body after housing the body chlorine agent inside the inner lid body and providing the cover portion.

When cleaning tableware or the like using the cartridge cleaning agent according to the present invention, the supply port portion is faced downward and fixed to the cleaning agent fixing portion of the automatic dishwashing machine. In the cleaning agent fixing portion, an injector is disposed immediately below the inner lid body, and water ejected from the injector passes through a through hole in the cylindrical member of the inner lid body and is accommodated in the container body. The detergent composition is reached, and the detergent composition is dissolved little by little.

The aqueous solution in contact with the cleaning composition to dissolve the cleaning composition comes into contact with the chlorinating agent and dissolves the chlorinating agent. As a result, the cleaning liquid containing the chlorine agent and the cleaning composition falls down from the opening at the bottom of the inner lid body and flows into the cleaning tank of the automatic dishwasher, and the dishes and the like can be cleaned with this cleaning liquid. .

A step of supplying water to the cartridge cleaning agent as described above and bringing it into contact with the cleaning composition, a step of bringing an aqueous solution in which the resulting cleaning composition is dissolved into contact with the chlorine agent and dissolving the chlorine agent, And a cleaning step of supplying the liquid cleaning composition (cleaning liquid) containing the obtained chlorine agent and the cleaning composition to a cleaning tank of an automatic dishwashing machine and bringing the liquid cleaning composition and the dishes into contact with each other. A dishwashing method is also encompassed by the present invention. The concentration of the cleaning composition in the liquid cleaning composition is preferably 0.03 to 0.5% by weight, and more preferably 0.04 to 0.3% by weight. The concentration of the chlorine agent in the liquid detergent composition is preferably 3 to 50 ppm, more preferably 5 to 45 ppm. Although the temperature of the liquid detergent composition in a washing | cleaning process is not specifically limited, For example, it is preferable to set it as 50-70 degreeC.

When the cartridge cleaning agent of the present invention is used in the above-described dishwashing method, the cleaning agent composition contained in the cartridge cleaning agent so that the concentration of the cleaning agent composition and the chlorine agent in the liquid cleaning agent composition is in the above range. What is necessary is just to set suitably the quantity, solubility, supply water quantity, supply water temperature, etc. of a thing and a chlorine agent.

Examples that more specifically describe the present invention are shown below. In addition, this invention is not limited only to these Examples.

<Examples 1 to 16>
Alkali agent, anticorrosive agent, chelating agent, chlorinating agent, surfactant and polymer dispersing agent, and anhydrous bouche or water are blended so as to have the ratios shown in Tables 1-2, and mixed or heated to dissolve. Thus, each cleaning composition of Examples 1 to 16 was produced. The numerical value in Tables 1-2 is weight% of each component with respect to cleaning composition.

<Comparative Examples 1-8>
Comparative Examples 1 to 1 were prepared by blending an alkali agent, a chelating agent, a chlorine agent, a surfactant and a polymer dispersant, and anhydrous bow or water so as to have the ratio shown in Table 3, and mixing or heating and dissolving. 8 cleaning compositions were prepared. The numerical values in Table 3 are weight percentages of the respective components with respect to the cleaning composition.

<Evaluation method>
About the detergent composition manufactured in Examples 1-16 and Comparative Examples 1-8, anticorrosive ability and cleaning power were evaluated with the following method.

(1) Corrosion protection evaluation (copper alloy)
(I) Evaluation method As a test metal piece, acid-washed cylindrical copper alloy (CAC406, diameter 16 mm × height 5 mm, mug 3.5 mm hole) is fixed to the blade of a stirrer installed in an automatic dishwasher tank, and 470 rpm It was rotated with. As an automatic dishwasher, a door-type washing machine (model number DW-DR62 type) manufactured by Sanyo Electric Co., Ltd. was used, and a cleaning liquid (liquid cleaning composition) with a cleaning composition concentration of 0.15% by weight was used in the cleaning process. The washing temperature was 60 ° C. In the rinsing step, the rinsing temperature was 80 ° C., and one cycle of cleaning was performed with a cleaning time of 45 seconds and a rinsing time of 8 seconds. Tap water was used as the washing water. After operating for 3 hours, the weight change of the test metal piece was measured, and the anticorrosion ability was evaluated according to the following criteria.

(Ii) Evaluation criteria The anticorrosive ability of the detergent composition was evaluated as follows.
◎: less dissolved amount 0.2mg / cm ² ○: soluble amount 0.2 mg / cm ² or more and less than 0.4mg / cm ² △: dissolved amount 0.4 mg / cm ² or more, 0.6 mg / cm ² less × : Dissolved amount 0.6 mg / cm ² or more

(2) Corrosion protection evaluation (aluminum)
(I) Evaluation Method As a test metal piece, an aluminum sheet (AA1050, length 150 mm × width 150 mm × height 0.5 mm) was fixed to a blade of a stirrer installed in an automatic dishwasher tank and rotated at 470 rpm. As an automatic dishwasher, a door type washing machine (model number JW-650UF) made by Hoshizaki was used, and a washing liquid having a detergent composition concentration of 0.15 wt% was used in the washing step, and the washing temperature was set to 60 ° C. In the rinsing step, the rinsing temperature was 80 ° C., and one cycle of cleaning was performed with a cleaning time of 45 seconds and a rinsing time of 8 seconds. Tap water was used as the washing water. After operating for 3 hours, the weight change of the test metal piece was measured, and the anticorrosion ability was evaluated according to the following criteria.

(Ii) Evaluation criteria The anticorrosive ability of the detergent composition was evaluated as follows.
◎: No corrosion trace, glossy ○: No corrosion trace, weak gloss △: Corrosion trace, weak gloss ×: Corrosion trace, no gloss

(3) Detergency evaluation (i) Evaluation method (preparation of objects to be washed)
In 90 g of purified water, 10 g of flour, 70 g of egg yolk, 35 g of lard and 35 g of beef tallow were added and dissolved by stirring well. The resulting mixture was subjected to soiling. 1 g of this composite soil was spread on the inside of the glass and dried at room temperature to make a sample for a cleaning test.

(Cleaning conditions)
In the cleaning process, in the cleaning process, the cleaning composition is added so that the concentration of the cleaning composition is 0.1% by weight with respect to the amount of water in the automatic dishwashing machine. It was performed by cleaning the dirt of the sample for cleaning test and visually evaluating its appearance.
As an automatic dishwasher, a door type washing machine (model number JW-650UF) manufactured by Hoshizaki was used, and washing conditions were a washing time of 40 seconds, a washing temperature of 60 ° C., a rinsing time of 8 seconds, and a rinsing temperature of 80 ° C. Tap water was used as the washing water.

(Ii) Evaluation criteria The detergency of the cleaning composition was evaluated as follows.
(Double-circle): The adhesion of dirt is not seen.
○: Almost no dirt is observed.
Δ: A light cloudy stain is observed.
X: Obvious residue of dirt is observed.

About each detergent composition manufactured by the Example and the comparative example, the bleaching power was evaluated with the following method.
(4) Bleaching power evaluation (i) Evaluation method (preparation of washing object)
1) The entire inside of the polypropylene cup was shaved with a sandpaper, and then washed thoroughly with a neutral detergent.
2) A green tea powder aqueous solution 80 ° C. adjusted to 4 times the standard concentration was poured into the above cup, immediately discarded, and allowed to stand for 5 minutes.

(Cleaning conditions)
The concentration of the cleaning liquid was 0.1% by weight with respect to the amount of water in the automatic dishwasher. The concentration of this cleaning composition was taken as the initial value. The washing method uses an automatic dishwasher to wash one cycle of tea stains of the washing test sample by the washing step with the washing solution and the rinsing step with water, and the washing object is adjusted with respect to the washed cup. As shown in 2), the dirt was adhered again. The cup was further washed for one cycle, the accumulation of tea astringent stains was visually evaluated, and the number of washings when accumulation was observed was used as an evaluation criterion. In addition, after the washing | cleaning cycle was completed 5 times, the water of the automatic dishwasher was replaced and the density | concentration of the cleaning composition was returned to the initial value. As an automatic dishwasher, a Hoshizaki door type washer (model number JW-650UF) was used. The washing temperature was 60 ° C., the rinsing temperature was 80 ° C., and the washing cycle was 45 seconds and the rinsing time was 8 seconds.

(Ii) Evaluation Criteria The bleaching power of the detergent composition was evaluated as follows.
◎: Cleaning cycle 30 times or more ○: Cleaning cycle 20 times or more and 29 times or less Δ: Cleaning cycle 10 times or more and 19 times or less ×: Cleaning cycle 1 time or more and 9 times or less Note that Examples 1-2 and 9-10 and Comparative Examples For the detergent composition 2, the bleaching power was not evaluated.

Tables 1 to 3 show the compositions of the cleaning compositions prepared in Examples and Comparative Examples, and the evaluation results of anticorrosive ability and cleaning power.

The descriptions in Tables 1 to 3 and Table 4 below are as follows.
EDTA: ethylenediaminetetraacetic acid disodium NTA: nitrilotriacetic acid sodium nonionic surfactant: polyoxyalkylene monoalkyl ether (C = 12, average value of ethylene oxide addition moles 3, average value of propylene oxide addition moles 5)
Polyacrylic acid Na: sodium polyacrylate having a weight average molecular weight (Mw) of 4,500

The “residue” in Tables 1 to 4 means that the balance obtained by subtracting the weight percent of ingredients other than water and anhydrous bowel from 100% by weight of the cleaning composition is water or anhydrous bowel.
“SiO ₂ / Na ₂ O (molar ratio) in sodium silicate” in Tables 1 to 4 is a molar ratio of Na ₂ O and SiO ₂ constituting sodium silicate used as an alkali agent.
In addition, “SiO ₂ / Na ₂ O (molar ratio) in the detergent composition” is a molar ratio of SiO ₂ contained in the alkali agent and the alkali agent converted as Na ₂ O (SiO ₂ in the alkali agent). / Alkaline agent (Na ₂ O conversion).

From Tables 1 to 3, the cleaning compositions of Examples 1 to 16 were excellent in detergency and excellent in anticorrosive ability. Moreover, the cleaning composition of Examples 3-8 and 11-16 which mix | blended the chlorine agent was excellent also in the bleaching power. On the other hand, the cleaning compositions of Comparative Examples 1-8 were insufficient in detergency or anticorrosive ability.

Examples 17-18
Alkali agent, anticorrosive agent, chelating agent, surfactant and polymer dispersant, and water were mixed and mixed so as to have the ratio shown in Table 4, then heated to 80 ° C., maintained, and stirred. Thus, a slurry liquid containing water and a raw material of the cleaning composition other than water was prepared. The numerical values in Table 4 are weight percentages of the respective components with respect to the cleaning composition.

Next, the slurry liquid prepared above is filled into a polypropylene container, and left at room temperature until the temperature of the slurry liquid falls to 30 ° C. or lower to solidify the slurry liquid, and the shape of the cylinder (diameter 15 cm × height A cleaning composition comprising a solid body solidified to 15 cm) was prepared.

Examples 19-24
Alkali agent, anticorrosive agent, chelating agent, surfactant and polymer dispersant, and water were mixed and mixed so as to have the ratio shown in Table 4, then heated to 80 ° C., maintained, and stirred. Thus, a slurry liquid containing water and a raw material of the cleaning composition other than water was prepared. The numerical values in Table 4 are weight percentages of the respective components with respect to the cleaning composition.

Next, the slurry liquid prepared above is filled in a container main body having a shape shown in FIG. 1 (the diameter of the cylindrical portion is 15 cm and the height is 15 cm), and is left at room temperature until the temperature of the slurry liquid falls below 30 ° C. The slurry liquid was solidified to prepare a cleaning composition comprising a solid body solidified in the shape of the container body.

Separately, a chlorinating agent (trichloroisocyanuric acid or sodium dichloroisocyanurate, effective chlorine concentration of 50% or more, average particle size: 250 μm or more), which is a powder, is 1 for the total weight of the cleaning composition and the chlorinating agent. 10% by weight and stored in the state shown in FIG. 7 (b) in the inner lid 32 shown in FIG. 7 (a), and after adhering the cover part, The cartridge cleaner 18 shown in FIG. 8 was manufactured by combining the inner lid.

<Evaluation method>
Using the cleaning composition or cartridge cleaning agent manufactured in Examples 17 to 24, the anticorrosion ability and cleaning power were evaluated by the following methods. About the cleaning composition of Example 17 and 18, the sodium hypochlorite aqueous solution of 6 weight% of chlorine agents was added by the dripping with the supply apparatus for liquids in the washing | cleaning process.

(1) Corrosion protection evaluation (copper alloy)
In the washing step, the evaluation was performed in the same manner as in Examples 1 to 16, except that the concentration (% by weight) of the cleaning composition in the cleaning liquid and the concentration (ppm) of the chlorine agent were the concentrations shown in Table 4. went. In addition, the density | concentration of a chlorine agent is an effective chlorine density | concentration measured by the method mentioned later.

(2) Corrosion protection evaluation (aluminum)
In the washing step, the evaluation was performed in the same manner as in Examples 1 to 16, except that the concentration (% by weight) of the cleaning composition in the cleaning liquid and the concentration (ppm) of the chlorine agent were the concentrations shown in Table 4. went.

(3) Detergency Evaluation In the cleaning step, Examples 1 to 16 except that the concentration (wt%) of the cleaning composition in the cleaning liquid and the concentration (ppm) of the chlorine agent were the concentrations shown in Table 4. Evaluation was performed in the same manner.

(4) Bleaching power evaluation Evaluation was performed in the same manner as in Examples 1 to 16, except that the washing conditions were as follows.
The concentration of the cleaning liquid was set such that the concentration of the cleaning composition was the concentration (% by weight) shown in Table 4 with respect to the amount of water in the automatic dishwasher. The chlorine agent in the cleaning liquid was adjusted so that the effective chlorine concentration was the effective chlorine concentration (ppm) shown in Table 4. The concentration of this cleaning composition and the concentration of chlorinating agent (effective chlorine concentration) were used as initial values. The washing method uses an automatic dishwasher to wash one cycle of tea stains of the washing test sample by the washing step with the washing solution and the rinsing step with water, and the washing object is adjusted with respect to the washed cup. As shown in 2), the dirt was adhered again. The cup was further washed for one cycle, the accumulation of tea astringent stains was visually evaluated, and the number of washings when accumulation was observed was used as an evaluation criterion. In addition, after the washing cycle was completed five times, the water in the automatic dishwasher was replaced, and the concentration of the cleaning composition and the effective chlorine concentration were returned to the initial values. As an automatic dishwasher, a Hoshizaki door type washer (model number JW-650UF) was used. The washing temperature was 60 ° C., the rinsing temperature was 80 ° C., and the washing cycle was 45 seconds and the rinsing time was 8 seconds.

(5) Effective Chlorine Concentration of Washing Process Take 100 g of washing liquid of an automatic dishwasher in a 200 mL Erlenmeyer flask, add 5 g of potassium iodide solution and 10 mL of glacial acetic acid, and then add iodine with 0.01 N sodium thiosulfate normal solution. Titration was carried out until the yellow color disappeared, and calculation was performed from the following formula. When the titration amount A (mL) and the effective chlorine concentration to be obtained are AvCL (ppm), AvCL (ppm) = A (mL) × 3.546.

The evaluation results are shown in Table 4.

From Table 4, it turns out that the outstanding cleaning effect, anticorrosion effect, and a bleaching effect are acquired when tableware is wash | cleaned with the washing | cleaning liquid which uses the cleaning composition and the chlorine agent which were manufactured in Examples 17-18. It can be seen that the cartridge cleaning agents produced in Examples 19 to 24 also have excellent cleaning effects, anticorrosion effects, and bleaching effects in cleaning dishes.

10, 15, 16, 17, 18 Cartridge cleaning agent 11 Container body 11a Cylinder member 12, 32 Inner lid 12a, 32a Opening portion 12b, 32b Bottom portion 12c, 32c Cylindrical portion 12d, 32d Cylindrical member 12e, 32e Inner cylinder 13 Outside Lid 14, 34 Cover 14 a, 34 a Member 14 b having a net shape or plate shape and having an opening portion Support member 20, 22 Detergent composition 21, 23, 24 Active chlorine agent 32 f Partition member 33 Film member 33 a Projecting portion of film member 34c Opening part 110a, 120a, 130a, 320a of cover part Screw

Claims (9)

10 to 60% by weight of an alkali metal salt of silicic acid, 0.05 to 5% by weight of an anticorrosive agent, 8 to 60% by weight of a chelating agent, and 1 to 10% by weight of a chlorine agent, the chelating agent being nitrilo triacetate, ethylenediamine tetraacetic acid, Ri least 1 Tanedea selected from methylglycine diacetic acid, ethylenediamine tetramethylene phosphonic acid, phosphono butane tricarboxylic acid and salts thereof, the anticorrosive tolyltriazole, benzimidazole or derivatives thereof and benzothiazole or detergent composition which is at least 1 Tanedea wherein Rukoto selected from the group consisting of their derivatives. The cleaning composition according to claim 1 , wherein the alkali metal salt of silicic acid is sodium silicate. Molar ratio of _Na 2 _O and Na ₂ O and SiO ₂ constituting the sodium silicate: SiO 2 = 1: 0.5~1: detergent composition according to claim 2 which is 4. The molar ratio of SiO ₂ contained in the alkali metal salt of silicic acid to the alkali metal salt of silicic acid converted as Na ₂ O is the alkali metal of silicic acid (in Na ₂ O conversion): SiO ₂ = 1: 0.6 to 1: detergent composition according to any one of claims 1 to 3, which is 4. Furthermore, the cleaning composition in any one of Claims 1-4 containing 0.01 to 10weight% of surfactant. Furthermore, the cleaning composition in any one of Claims 1-5 containing 0.1-20 weight% of polymer dispersing agents with an average molecular weight of 3,000-300,000. It is a cleaning composition for automatic dishwashers, The cleaning composition in any one of Claims 1-6 . A dishwashing method using the cleaning composition according to claim 1, wherein the cleaning composition is diluted with water in an automatic dishwashing machine, and the dishwashing composition. The dish washing | cleaning method characterized by the density | concentration of the said cleaning composition in the said liquid cleaning composition being 0.03-0.5 weight%. The dishwashing | cleaning method of Claim 8 whose density | concentration of the chlorine agent in the said liquid cleaning composition is 3-50 ppm.

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