JP6793453B2 - Bactericidal cleaning article - Google Patents

Description

The present invention relates to a disinfectant cleaning article.

Conventionally, cleaning articles used in toilets and the like have been hydrolyzed by exposing them to a large amount of water, such as flushing them into the toilet after use, and are impregnated with a water-soluble cleaning agent (for example, patent). Reference 1).
In addition, for sheet-like cleaning articles used on hard surfaces of stainless steel and tiles such as kitchens, living rooms, toilets and bathtubs, surfactants, alkaline agents and certain water-soluble organic solvents are used in terms of detergency and cleaning finish. Is used (see Patent Document 2).
In particular, cleaning articles used in toilets are deodorized against bad odors such as manure odor. In addition to masking with a mere fragrance, this deodorant measure inhibits the activity of β-glucuronidase because β-glucuronidase derived from cells acts on urine to increase phenolic compounds and indoles that cause malodor. It has been proposed to use a macrocyclic musk compound (see Patent Document 3).

Japanese Unexamined Patent Publication No. 2-149237 Japanese Unexamined Patent Publication No. 6-296571 JP-A-2010-187829

The present inventors have been able to clean the sheet-like cleaning articles used for hard surfaces such as conventional kitchens, living rooms, toilets, and bathtubs, and especially for cleaning the skin around the anus, urinary organs, and genital area used in toilets. In addition to deodorant properties, it is important to positively impart eradication properties to bacteria that can be pathogenic bacteria such as Escherichia coli and Staphylococcus aureus, and to impart excellent eradication properties.
The present inventors examined the sterilization property of a sheet-shaped cleaning article using hydrolyzed paper that is hydrolyzed by exposing it to a large amount of water after use. The hydrolyzed paper contains pulp and a water-soluble binder having a carboxy group such as carboxymethyl cellulose (CMC). In this binder, in the presence of a divalent or higher metal ion such as calcium, the carboxy group of the binder molecule forms a water-insoluble salt between the two molecules, and the binder molecule is crosslinked. As a result, the sheet-shaped cleaning article maintains the cleaning strength when wet. Therefore, the greater the amount of divalent or higher metal ions, the higher the strength.
However, it was found that the addition of divalent or higher valent metal ions inhibits the bactericidal activity of the surfactant exhibiting a bactericidal effect.

Therefore, it is an object of the present invention to provide a sterilizing cleaning article having both sterilizing property and strength.

The present invention is a sterilizing cleaning article obtained by impregnating a base sheet having a basis weight of 20 to 120 g / m ² containing 80% by mass or more of cellulose fibers with a liquid cleaning composition, and the liquid cleaning composition. 2. The organic acid (a) 0.01 to 0.50% by mass, the surfactant (b) 0.1 to 1.0% by mass, and the divalent or higher metal ion compound (c) 0.5 to 5. Provided is a disinfectant cleaning article containing 0% by mass.

INDUSTRIAL APPLICABILITY According to the present invention, it has become possible to provide a sterilizing cleaning article having both sterilizing property and strength.

Hereinafter, the disinfectant cleaning article of the present invention will be described based on its preferred embodiment.
The disinfectant cleaning article of the present invention is a base sheet impregnated with a liquid cleaning composition.
First, the liquid detergency composition will be described.

<< Liquid detergency composition >>
The liquid detergency composition used in the present invention contains an organic acid (a), a surfactant (b), and a divalent or higher valent metal ion compound (c) as essential components.

<Organic acid (a)>
The organic acid (a) used in the present invention may be any compound as long as it is a water-soluble organic acid, but a small molecule (for example, a molecular weight of 500 or less) is preferable. For example, aliphatic, aromatic or heterocyclic carboxylic acids or sulfonic acids, or salts thereof. Here, aliphatics and aromatics may contain heteroatoms. In the present invention, an organic carboxylic acid (aliphatic, aromatic or heterocyclic carboxylic acid) or a salt thereof is preferable, an aliphatic carboxylic acid is more preferable, and an aliphatic hydroxycarboxylic acid is further preferable.
Here, the term "water-soluble" means, in the present invention, a property of being soluble in a liquid detergency composition. The solubility in water (20 ° C.) is preferably 0.01 g / 100 ml or more, more preferably 0.5 g / 100 ml.

Examples of the aliphatic hydroxycarboxylic acid include lactic acid, malic acid, citric acid, isocitric acid, crutronic acid, glyceric acid, 2- or 3-hydroxybutyric acid, tartaric acid, mevalonic acid, quinic acid, shikimic acid, or these. Examples thereof include salts (alkali metal salts such as Li, Na and K).
Among these, lactic acid, malic acid, citric acid, isocitric acid and tartaric acid are preferable, and lactic acid, malic acid and citric acid are more preferable. In particular, as the organic acid (a), citric acid is preferable because it can achieve both sterilizing power and strength at a high level.
The isomer in which the optical isomer is present may be either one of the isomers or a mixture thereof.
Further, the organic acid (a) may be used alone or in combination of two or more.

The content of the organic acid (a) is 0.01 to 0.50% by mass, preferably 0.05 to 0.50% by mass in the liquid detergency composition.
If the content of the organic acid (a) is less than 0.01% by mass, the sterilizing effect is inferior, and if it exceeds 0.50% by mass, the wet strength of the sheet may decrease.

<Surfactant (b)>
The surfactant (b) may be any of a nonionic surfactant, an amphoteric surfactant, a cationic surfactant or an anionic surfactant, but in the present invention, it has a sterilizing effect (bactericidal effect). ), Cationic surfactants, amphoteric surfactants, and anionic surfactants are preferable, cationic surfactants and amphoteric surfactants are more preferable, and cationic surfactants are even more preferable.

Examples of the cationic surfactant include an N-alkylpyridinium salt-type surfactant and a quaternary ammonium salt-type surfactant. In the present invention, a quaternary ammonium salt-type surfactant is preferable, a compound represented by the following general formula (CS) is more preferable, and a compound represented by the following general formula (CS-1) is particularly preferable.

In the general formula (CS), R ^{1 to} R ⁴ each independently represent an alkyl group. Here, at least two of R ^{1 to} R ⁴ may be bonded to each other to form a ring. Further, these alkyl groups may be substituted with a hydroxy group, an alkoxy group, an acyloxy group, an acylamino group or an aryl group. However, the number of carbon atoms in any one of R ^{1 to} R ⁴ is 8 to 20. X ⁻ represents a counterion.

The alkyl groups in R ^{1 to} R ⁴ are linear or branched alkyl groups, such as methyl, ethyl, propyl, isopropyl, butyl, t-butyl, pentyl, hexyl, octyl, 2-ethylhexyl, decyl, dodecyl, pentadecyl. , Hexadecyl, octadecyl.

The alkoxy group which may be substituted with an alkyl group preferably has 2 to 18 carbon atoms, and may be a polyalkyleneoxy group. Examples of the alkoxy group include methoxy, ethoxy, propoxy, 2-ethylhexyloxy, decyloxy, octadecyloxy, hexadecyloxy, methoxypolyethyleneoxy, 2-ethylhexyloxypolyethyleneoxy, and dodecyloxypolypropyleneoxy.

The acyloxy group which may be substituted with an alkyl group preferably has 2 to 18 carbon atoms, more preferably 8 to 16 carbon atoms. Examples of the acyloxy group include acetyloxy, propionyloxy, valeryloxy, pivaloyloxy, octanoyloxy, lauroyloxy, myristoyloxy, palmitoyloxy, and stearoyloxy.

The acylamino group which may be substituted with an alkyl group preferably has 2 to 18 carbon atoms, more preferably 8 to 16 carbon atoms. Examples of the acylamino group include acetylamino, propionylamino, valerylamino, pivaloylamino, octanoylamino, lauroylamino, myristoylationamino, palmitoylamino, and stearoylamino.

The aryl group which may be substituted with an alkyl group is preferably an aryl group having 6 to 20 carbon atoms, and examples thereof include a phenyl group and a naphthyl group, and a phenyl group is particularly preferable.

The alkyl group in R ^{1 to} R ⁴ is preferably a linear alkyl group, and when it has the above-mentioned substituent, the alkyl group itself preferably has 1 to 4 carbon atoms, and more preferably 1 or 2 carbon atoms.

The ring formed by at least two of R ^{1 to} R ⁴ bonded to each other is preferably a 5- or 6-membered ring, for example, pyrrolidine, piperidine, piperazine, morpholine, thiomorpholine, quinuclidine, 1,4-diazabicyclo [2. , 2, 2] Octane and imidazole.

In the compound represented by the general formula (CS), R ¹ is an alkyl group having 8 to 20 carbon atoms, R ² and R ⁴ are alkyl groups having 1 to ³ carbon atoms, and R ³ is an alkyl group having 1 to 10 carbon atoms. Is preferred.

Examples of X ⁻ include inorganic or organic carboxylic acid ion, sulfonic acid ion, and halogen ion, and halogen ion is preferable, chloride ion and bromide ion are preferable, and chloride ion is more preferable.

In the general formula (CS-1), R ¹¹ represents an alkyl group having 8 to 20 carbon atoms, and R ¹² and R ¹⁴ each independently represent an alkyl group having 1 to 3 carbon atoms. L ¹⁰ represents an alkylene group having 1 to 4 carbon atoms, and Ar ¹⁰ represents an aryl group. X ⁻ represents a counterion.

R ¹¹ is synonymous with R ¹ in the general formula (CS), and the preferred range is also the same. R ¹² and R ¹⁴ are synonymous with R ² in the general formula (CS), except that they have different carbon atoms, and the preferred range is also the same.
Examples of the alkylene group having 1 to 4 carbon atoms in L ¹⁰ include methylene, ethylene, propylene and butylene, and methylene and ethylene are preferable, and methylene is more preferable.

The number of carbon atoms of the aryl group in Ar ¹⁰ is preferably 6 to 10, more preferably 6 to 8, and even more preferably 6. Examples of the aryl group include phenyl and naphthyl.
The aryl group may have a substituent, and examples of the substituent include an alkyl group, an alkoxy group, an alkylthio group, a hydroxy group, and a halogen atom.

X ^- is, X in the general formula (CS) ^- is a synonymous, and preferred ranges are also the same.

In the compound represented by the general formula (CS-1), R ¹¹ is an unsubstituted alkyl group having 8 to 20 carbon atoms, R ¹² and R ¹⁴ are unsubstituted alkyl groups having 1 to 3 carbon atoms, and L ¹⁰ is A compound in which the methylene group and Ar ¹⁰ are phenyl groups which may have a substituent is preferable.

The quaternary ammonium salt-type surfactant may be a mixture of compounds which are alkyl groups having different carbon atoms in some alkyl groups.

Cationic surfactants include lauryltrimethylammonium chloride, stearyltrimethylammonium chloride, cetyltrimethylammonium chloride, stearyltrimethylammonium chloride, distearyldimethylammonium chloride, hexadecyltrimethylammonium bromide, hexadecyltrimethylammonium bromide, and myristyltrimethylammonium. Examples include bromide, alkylbenzyldimethylammonium chloride having 8 to 18 carbon atoms, stearylphenylethyldimethylammonium chloride, lauryltrihydroxymethylammonium chloride, N-dodecylpyridinium chloride, and alkylbenzyldimethylammonium chloride having 8 to 18 carbon atoms. preferable.

The amphoteric surfactant may have any structure, but a compound represented by the following general formula (AS) is preferable.

In the general formula (AS), R ²¹ , R ²³ and R ²⁴ each independently represent an alkyl group. Here, at least two of R ^{21 to} R ²⁴ may be bonded to each other to form a ring. Further, these alkyl groups may be substituted with a hydroxy group, an acyloxy group, an acylamino group or an aryl group. However, the number of carbon atoms in any one of R ²¹ , R ^23, and R ²⁴ is 8 to 20. Y ²³ represents −O ⁻ or −L ²⁰ −Z ²⁰ . L ²⁰ represents an alkylene group having 1-3 carbon atoms which may be substituted with a hydroxy group, and Z ²⁰ represents −SO ₃ ⁻ or CO ₂ ⁻ .

The alkyl groups of R ²¹ , R ²³ and R ²⁴ are synonymous with the alkyl groups of R ^{1 to} R ⁴ in the general formula (CS), and the preferred range is also the same.
Examples of the alkylene group of L ²⁰ include methylene, ethylene, propylene, trimethylene, and 2-hydroxy-1,3-propanediyl.

As amphoteric surfactants, betaine laurylmethylaminoacetate, betaine stearyldimethylaminoacetate, N- (aminopropyl 3-laurate) -N, N-betaine dimethylaminoacetate, N- (aminopropyl 3-cocolate)- N, N-Dimethylaminoacetate betaine, 2-alkyl-N-carboxymethyl-N-hydroxyetel imidazolinium betaine with 8-18 carbon atoms, 3- (dodecyldimethylamino) propansulfonic acid betaine, 3- (octadecyldimethyl) Amino) propanesulfonic acid betaine, 3- [N- (3-aminopropyl laurate) -N, N-dimethylamino] propanesulfonic acid betaine, 3- [N- (3-aminopropyl palmate) -N, N -Dimethylamino] Betain propanesulfonic acid, lauryl hydroxysultaine, cocamidopropyl hydroxysultaine, lauryl dimethylamine-N-oxide, oleyl dimethylamine-N-oxide and the like can be mentioned.

As an amphoteric surfactant other than the compound represented by the general formula (AS), a pyridine-N-oxide compound such as 4-dodecyloxypyridine-N-oxide and 2-hexadecylthiopyridine-N-oxide is also preferable.

Examples of the anionic surfactant include an alkylbenzene sulfonate having an alkyl group or an alkenyl group having 10 to 18 carbon atoms, a polyoxyalkylene alkyl ether sulfate ester salt, an alkyl sulfate ester salt, and an α-olefin sulfonate salt. Examples thereof include α-sulfo fatty acid salt, α-sulfo fatty acid lower alkyl ester salt, and fatty acid or a salt thereof.
Specifically, for example, sodium octanoate salt, sodium decanoate salt, sodium myristate salt, sodium palmitate salt, sodium stearate salt, sodium N-lauroyl sarcosin salt, sodium 1-octane sulfonate salt, 1-decane. Examples thereof include sodium sulfonic acid salt, sodium octylbenzene sulfonic acid salt, sodium lauryl sulfate, sodium myristyl sulfate, sodium laureth sulfate, sodium polyoxyethylene alkylphenol sulfonate, and sodium lauryl sulfate.

Examples of the nonionic surfactant include a polyoxyalkylene alkyl ether type nonionic surfactant, a hydroxy ester type nonionic surfactant, an ester ether type nonionic surfactant, and an alkyl glycoside type nonionic surfactant. Examples thereof include surfactants, alkanolamide-type nonionic surfactants, and higher alcohol-type nonionic surfactants.
Specifically, for example, glyceryl laurate, glyceryl monostearate, sorbitan fatty acid ester, sucrose fatty acid ester, pentaethylene glycol monododecyl ether, octaethylene glycol monododecyl ether, polyoxyethylene alkylphenyl ether, polyoxyethylene poly. Oxypropylene glycol, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene hexitan fatty acid ester, sorbitan fatty acid ester polyethylene glycol, laurate diethanolamide, oleic acid diethanolamide, stearic acid diethanolamide, octyl glucoside, decyl glucoside, lauryl glycoxide, Examples thereof include cetyl alcohol, stearyl alcohol and oleyl alcohol.

The surfactant (b) may be used alone or in combination of two.

The content of the surfactant (b) is 0.1 to 1.0% by mass, preferably 0.1 to 0.5% by mass in the liquid detergency composition.
If the content of the surfactant (b) is less than 0.1% by mass, the sterilizing effect is inferior, and if it exceeds 1.0% by mass, foaming occurs on the clean surface and affects the finish such as wiping streaks. I have something to do.

<Metal ion compound (c) of divalent or higher>
The metal ion compound (c) used in the present invention is an ionic (binding) compound containing at least divalent or higher metal ions as cations. The valence of the metal ion is known to be 2 to 7 valence, but in the present invention, divalent or trivalent is preferable, and divalent is particularly preferable.
In the present invention, the metal of the divalent metal ion is particularly preferably a metal selected from the group consisting of alkaline earth metals, manganese, zinc, cobalt and nickel. In the present invention, the divalent metal ion metal may be used alone or in combination of two or more.
The divalent or higher valent metal ions sufficiently bond the constituent fibers of the base material sheet to develop a strength (particularly wet strength) that can withstand the cleaning work, and the water solubility becomes sufficient.
In the present invention, the divalent or higher valent metal ion is preferably calcium, strontium, barium, zinc, cobalt or nickel, and among these, zinc is particularly preferable.
The use of the metal ion compounds mentioned above is particularly preferable because a higher wet strength of the base sheet (sterilizing cleaning article) can be obtained and the cleaning operation with the disinfecting cleaning article can be successfully performed.

The divalent or higher valent metal ion compound (c) is a compound that dissociates in a liquid detergency composition to generate metal ions, and is a hydroxide, chloride, sulfate, nitrate, carbonate, formate of metal ions. It can be used by adding it to a liquid cleaning composition in the form of a water-soluble metal salt such as a salt or an acetate.
In particular, divalent or higher metal ions are ionic bonds and chelates between molecules such as cellulose fibers and molecules contained therein in the base sheet used in the disinfectant cleaning article of the present invention. These molecules can be crosslinked by ionic interaction such as coordination, and the wet strength of the base sheet can be increased.

Examples of the functional group that ionically interacts with the metal ion include a dissociable group such as a carboxy group, a sulfo group, a hydroxy group having a low pKa, a mercapto group, and a sulfonamide group, and a hydroxy group, a mercapto group, an alkoxy group, and an alkylthio group. , Amino group, group having carbonyl bond, etc., and groups having isolated electron pairs required for coordination.
Among these, the dissociative group strongly interacts with the metal ion to form a water-insoluble salt and has an excellent cross-linking effect, and the carboxy group is particularly preferable.
In the present invention, it is sufficient to add the metal ion in an amount of 1/4 mol or more, particularly 1/2 mol or more, with respect to 1 mol of the interacting functional group (particularly the carboxy group). It is preferable from the viewpoint of causing a reaction.

In the present invention, in order to achieve both the wet strength of the sterilizing cleaning article (for example, a sheet) and the sterilizing effect of the surfactant (b), the content of the divalent or higher metal ion compound (c) is liquid detergency. In the composition, it is 0.5 to 5.0% by mass, preferably 0.5 to 4.0% by mass, and more preferably 1.0 to 3.0% by mass.
If the content of the divalent or higher metal ion compound (c) is less than 0.5% by mass, the wet strength of the sheet is inferior, and conversely, if it exceeds 5.0% by mass, the sterilization effect is inferior.

In the present invention, both sterilization and strength are considered to be due to the organically integrated action of the organic acid, the surfactant and the metal ionic compound, which coexist in a specific ratio.
That is, as described above, the strength of the disinfectant cleaning article is enhanced by the metal ion generated from the metal ion compound by the ion interaction with the cellulosic fiber or the like. In such a sterilizing cleaning article, the surfactant (b) (particularly, a cationic surfactant) is adsorbed or taken up by the cell membrane of the cell membrane to change the physical properties of the cell membrane (fluidity of the cell membrane). (Increase, etc.) destroys the cell membrane of the bacterial cell and exhibits eradication properties. At this time, if a divalent or higher metal ion is present, the divalent or higher metal ion is the cell membrane of the bacterial cell of the surfactant (b). Inhibits adsorption to and reduces sterilization. However, when a specific amount of the organic acid (c) coexists with the metal ion, the organic acid (c) changes the cells of the cells by internal infiltration, thereby suppressing adsorption inhibition by the metal ion and surface activity. It seems that the bactericidal action of the agent is effectively exerted.
Here, the organic acid (c) is a liquid detergency composition as described later in that when it is in a non-dissociated state, it becomes easier to invade into the cells and the above action is effectively exerted. It is preferable to keep the pH of the water acidic.

<Fragrance (d)>
In the present invention, it is preferable to include the fragrance (d) in the disinfectant cleaning article because a better deodorizing effect can be obtained and a preferable scent drifts after deodorizing.
The fragrance (d) may be a natural fragrance or a synthetic fragrance. Fragrances (d) include "Fragrance Chemistry" (written by Ryoichi Akahoshi, edited by The Chemical Society of Japan, Industrial Chemistry Series, published on September 16, 1983) and "Synthetic Perfume Chemistry and Product Knowledge" (written by Genichi Indo, Chemistry). One type of fragrance ingredient described in Kogyo Nihonsha, published on March 6, 1996) and "Practical knowledge of fragrances and fragrances" (written by Motoki Nakajima, Sangyo Tosho Co., Ltd., published on June 21, 1995) Two or more types can be used in combination.

Specific examples of the fragrance component include hydrocarbon fragrances, alcohol fragrances, ether fragrances, aldehyde fragrances, ketone fragrances, ester fragrances, lactone fragrances, cyclic ketone fragrances and the like.

[Hydrocarbon fragrance]
α-Pinene, β-Pinene, Camphene, Limonene, Tarpineol, Tarpinolene, γ-Tarpinen, Orange Pella, etc.

[Alcoholic fragrance]
Trans-2-hexanol, cis-3-hexanol, 3-octanol, linalool, geraniol, β-phenylethyl alcohol, nerol, citronellol, rosinol, myrcenol, lavandulol, tetrahydrolinalol, linalool, l-menthol, borneol, isopregol , Nopol, pt-butylcyclohexanol, ot-butylcyclohexanol, ambrinol, benzyl alcohol, phenylethyl alcohol, phenoxyethanol, dimethylbenzylcarbinol, eugenol, polysantoll, phenylhexanol, dihydromilsenol and the like.

[Ether fragrance]
Nerol oxide, 1,8-cineole, rose oxide, remetholmentfuran, linalol oxide, butyldimethyldihydropyran, sedrill methyl ether, methoxycyclododecane, 1-methyl-1-methoxycyclododecane, anisole, acetanisol, Anethole, dihydroanethole, methyl eugenol, phenylethyl isoamyl ether, β-naphthyl methyl ether, β-naphthyl ethyl ether, estragor, etc.

[Aldehyde fragrance]
Hexyl aldehyde, nonyl aldehyde, decyl aldehyde, undecyl aldehyde, dodecyl aldehyde, tridecyl aldehyde, 2,6-nonadienol, cis-4-decenal, citral, citroneral, hydroxycitroneral, centenal, boronard, setneral, salicylaldehyde, Heliotropin, Helional, Vanillin, Ethylvanillin, Methylvanillin, etc.

[Ketone-based fragrance]
Acetophenone, diacetyl, methylamylketone, ethylamylketone, methylhexylketone, methylnonylketone, α-ionone, β-ionone, methylionone, α-ironone, α-damassone, dihydrojasmon, cis-jasmon, acetophenone, p-methyl Acetophenone, benzylacetone, carone, raspberry ketone, anisylacetone, methylnaphthylketone, benzophenone, etc.

[Ester fragrance]
Benzyl acetate, ethyl formate, linaryl formate, citronellyl formate, geranyl formate, ethyl acetate, butyl acetate, isoamyl acetate, geranyl acetate, linaryl acetate, benzyl acetate, phenylethyl acetate, styralyl acetate, cinnamyl acetate, anisyl acetate, geranyl propionate, Linalyl propionate, ethyl butyrate propyl valerate, citronellyl isovalerate, geranyl isovalerate, ethyl cinnate, benzyl citrate, cinnamyl cinnamate, methyl jasmonate, methyl dihydrojasmate, flutate, cyclohexyl salicylate, etc.

[Lactone-based fragrances, cyclic ketone-based fragrances, etc.]
γ-Octalactone, γ-nononalactone, γ-decalactone, γ-undecalactone, δ-decalactone, coumarin, jasmonolactone, jasmine lactone, muskone, 8-cyclohexadecene-1-one (Symrise product name, globanone) , 9-Cycloheptadecene-1-one (Firmenich product name, Sibeton), cyclopentadecanone, pearlide, amber core, methyldihydrojasmonate, glucuronolactone, menton, carboxylic, galactosolid, muskketone, etc.

[Natural fragrance]
Examples of natural fragrances include vegetable and animal natural essential oils and natural extracts.
Of these, plant essential oils are preferred, for example orange, lemon, lime, bergamot, petiglen, neroli, vanilla, mandarin, peppermint, spearmint, lavender, lavandin, matricaria, rosemary, eucalyptus, sage, basil, rose, rock. Rose, geranium, jasmine, Iran Iran, anise, cloves, ginger, nutmeg, cardamon, cedarwood, hinoki, vetiver, guaiyacwood, patchouli, lemongrass, lovedanum, galvanum, olivernum, garjan balsam, fennel and the like.

In the present invention, the fragrance (d) is preferably used as a fragrance composition in which two or more kinds are combined, and it is preferable that the fragrance composition contains a plant essential oil.
By containing plant essential oil, it is possible to give a natural feeling and a high-class feeling to the scent itself.

The content of the fragrance (d) in the liquid detergency composition is preferably 0.01 to 0.50% by mass, more preferably 0.03 to 0.50% by mass, and 0.03 in the liquid detergency composition. ~ 0.20% by mass is more preferable.

<Other ingredients>
In the present invention, in addition to the above, an organic solvent and water may be contained, and if necessary, other components such as a colorant, a pH buffer, and a deodorant may be added without impairing the effects of the present invention. It can be appropriately contained in the range.
In the present invention, it is also preferable to use a pH adjuster in order to adjust the pH of the liquid detergency composition.

(Organic solvent)
In the present invention, an organic solvent may be contained.
Examples of the organic solvent include a water-soluble solvent, an alcohol solvent, and an aliphatic alcohol, a glycol, or a monoether solvent thereof. In the present invention, ethanol, isopropanol, isoprene glycol (3-methyl-1,3-butanediol), propylene glycol, propylene glycol monomethyl ether, and dipropylene glycol are preferable. Two or more kinds of organic solvents may be used in combination.
The content of the organic solvent is preferably 5 to 50% by mass, more preferably 10 to 50% by mass, still more preferably 10 to 30% by mass in the liquid detergency composition.

(water)
The liquid detergency composition according to the present invention preferably contains a balanced amount of water in addition to the above-mentioned various components from the viewpoint of detergency and economy. The water content is preferably 50 to 90% by mass, more preferably 30 to 85% by mass, based on the total mass of the liquid detergency composition from the viewpoint of the strength of the detergency and disinfectant cleaning article. ..

(PH regulator)
In the liquid detergency composition of the present invention, the pH of the liquid detergency composition is preferably adjusted to be acidic in order to effectively exhibit the sterilizing (bactericidal) action of the surfactant (b).
The pH of the liquid detergency composition is preferably a pH at which the organic acid (a) can be maintained in a non-dissociated state.
The pH of the liquid detergency composition is preferably 2.5 to 6.0, more preferably 4.0 to 5.5.

Acids and bases are used as the pH adjuster, and inorganic acids and bases are preferable.
The inorganic acid is preferably sulfuric acid or hydrochloric acid, and the inorganic base is preferably an alkali metal hydroxide, carbonate or hydrogen carbonate. The alkali metal is preferably lithium, sodium or potassium. As the inorganic base, potassium carbonate and sodium carbonate are preferable.
The pH adjusting agent is preferably sulfuric acid or hydrochloric acid diluted with water, dilute sulfuric acid or dilute hydrochloric acid, and the inorganic base is preferably added in an aqueous solution.
The pH adjuster may be added at the end after the necessary components have been contained, or may be added after the organic acid (a) and the surfactant (b) have been added.

<< Base sheet >>
The disinfectant cleaning article of the present invention is obtained by impregnating a base sheet with the above-mentioned body cleaning composition.
As the base sheet, for example, paper, non-woven fabric and the like can be used.
Examples of the paper include wet-made paper. Examples of the non-woven fabric include chemical bond non-woven fabric, thermal bond non-woven fabric, air-laid non-woven fabric, spunlace non-woven fabric, spunbond non-woven fabric, melt blown non-woven fabric, needle punch non-woven fabric, stitch bond non-woven fabric and the like. Among these, air-laid non-woven fabric is particularly preferable.
When a non-woven fabric is used as the base material sheet, fibers having a short fiber length, particularly wood pulp made of cellulosic fibers, are preferable as the constituent fibers from the viewpoint of imparting water solubility to the base material sheet as described later.

In the present invention, the base material sheet contains 80% by mass or more, preferably 90 to 100% by mass of cellulosic fibers. When the base sheet contains 80% by mass or more of cellulosic fibers, it is advantageous in terms of water solubility, biodegradability and the like.

Examples of the cellulose-based fiber include wood pulp such as coniferous bleached kraft pulp (NBKP), coniferous bleached sulfite pulp (NBSP), broadleaf bleached kraft pulp (LBKP), natural cellulose fiber such as cotton and hemp, and rayon. Examples thereof include regenerated cellulose fibers such as viscous rayon, lyocell, cupra, tencel, and acetate. These may be used in combination of two or more types.
In the present invention, among these cellulosic fibers, wood pulp is particularly preferable, and it is preferable that 50% by mass or more of the total cellulosic fibers contained in the base sheet is wood pulp.

As the constituent fibers of the base sheet, fibers other than cellulose fibers (hereinafter, also referred to as non-cellulose fibers) can be used. For example, polyolefin fibers such as polyethylene and polypropylene, polyester fibers such as polyethylene terephthalate, and the like. Examples thereof include polyamide fibers such as nylon, polyacrylonitrile fibers and polyvinyl alcohol fibers. These may be used in combination of two or more types.
Among these non-cellulosic fibers, polyamide-based fibers and polyvinyl alcohol-based fibers are preferably used in the present invention because they exhibit substantially the same biodegradability as the above-mentioned cellulosic fibers.
The content of the non-cellulosic fiber is preferably 20% by mass or less, particularly preferably 0 to 10% by mass, of the total constituent fibers of the base sheet.

In the present invention, the basis weight of the base sheet is 20 to 120 g / m ² from the viewpoint of the strength and water solubility of the base sheet, and is particularly preferably 50 to 90 g / m ² .
The basis weight referred to here means the basis weight of the entire multilayer structure when the base sheet is a multilayer structure in which two or more sheets are laminated.

In the present invention, the density (bulk density) of the base material sheet is preferably 0.01 to 1.0 g / cm ³ , more preferably 0.05 to 0.5 g / cm ³ under a load of 0.3 Pa, and is 0. .1 to 0.3 g / cm ³ is particularly preferable.
The thickness of the base sheet (thickness under a load of 0.3 Pa) is preferably 0.1 to 5 mm, more preferably 1 to 3 mm from the viewpoint of ease of wiping and the strength of the base sheet. is there.

In the present invention, the base material sheet has water solubility. When a base sheet having water solubility is discarded in a large amount of water, for example, it is flushed into a flush toilet, it quickly disintegrates at the fiber level and can be flushed without clogging the flush toilet. However, when wiping off dirt, it is necessary to have sufficient wet strength to withstand the work in the state of being impregnated with the liquid detergency composition.
From this point of view, in the present invention, it is particularly preferable that the base material sheet contains a water-soluble binder having a carboxy group. By using a water-soluble binder having a carboxy group, it becomes easy to control the water solubility, and a base material sheet that does not disintegrate in a small amount of water but quickly disintegrates at the fiber level when discarded in a large amount of water can be obtained.

A water-soluble binder having a carboxy group is an anionic water-soluble binder that easily forms a carboxylate in water. Examples of such a binder include polysaccharide derivatives, synthetic polymers, and natural products.
Examples of the polysaccharide derivative include carboxymethyl cellulose or a salt thereof, carboxyethyl cellulose or a salt thereof, carboxymethyl starch or a salt thereof, and the like.
Examples of the synthetic polymer include a polymer or a copolymer salt of an unsaturated carboxylic acid, a salt of a copolymer of an unsaturated carboxylic acid and a monomer copolymerizable with the unsaturated carboxylic acid, and the like.
Examples of unsaturated carboxylic acids include acrylic acid, methacrylic acid, itaconic acid, crotonic acid, maleic anhydride, maleic acid, fumaric acid and the like. Examples of the monomer copolymerizable with these include esters of these unsaturated carboxylic acids, vinyl acetate, ethylene, acrylamide, vinyl ether and the like. Particularly preferred synthetic polymers are those using acrylic acid or methacrylic acid as the unsaturated carboxylic acid, specifically polyacrylic acid, polymethacrylic acid, salts of methacrylic acid copolymers of acrylic acid, acrylic acid or methacrylic acid. Examples thereof include a salt of a copolymer of an acid and an alkyl acrylate or an alkyl methacrylate.
Examples of natural products include sodium alginate, zansan gum, gellan gum, taragant gum, pectin and the like.

Particularly preferred as the water-soluble binder having a carboxy group is carboxymethyl cellulose (CMC) or an alkali metal salt thereof (for example, sodium salt) from the viewpoint of water solubility and strength of the sheet.

The content of the water-soluble binder having a carboxy group is preferably 0.1 to 20% by mass, more preferably 1 to 15% by mass, based on the total mass of the base sheet.

The method of incorporating the water-soluble binder having a carboxy group in the base material sheet is not particularly limited, and may be an internal addition method or an external addition method.
Examples of the internal addition method include a method in which a water-soluble binder is added in advance to the paper material (fiber dispersion liquid) when the base sheet is produced by a wet papermaking method. Examples of the external addition method include a method of forming a web (base sheet) containing cellulosic fibers and then adding a water-soluble binder to the web by an addition means such as spray coating.

The base sheet may appropriately contain, for example, a wetting paper strength enhancer, a release agent, or the like as components other than fibers such as cellulosic fibers and a water-soluble binder having a carboxy group.

The base sheet can be produced by a known wet papermaking method, a dry nonwoven fabric manufacturing method, or the like. An uneven structure or wrinkles may be formed on the surface (cleaning surface) of the base material sheet by a known embossing process or crepe process. Further, the base material sheet may have a multilayer structure in which two or more sheets are laminated.
In the present invention, wet embossing is preferable. Wet embossing is a method of loosening the interfiber bond by applying water before embossing and then embossing, whereby the fibers are recombined according to the embossing pattern.

<< Bactericidal cleaning article >>
The disinfectant cleaning article of the present invention is a base sheet impregnated with a liquid cleaning composition.
The impregnation amount of the liquid detergency composition is preferably 100 to 500% by mass, more preferably 150 to 300% by mass, based on the mass (dry mass) of the base sheet.
As a method of impregnation, a usual method such as a method of immersing the base sheet in the liquid cleaning composition and a method of spraying the liquid cleaning composition on the base sheet can be adopted, and particularly from the viewpoint of productivity. A method of spraying the liquid detergency composition on the base sheet is preferable.

The sterilizing cleaning article of the present invention preferably has a tensile strength at wet time of 100 cN / 25 mm width or more, and particularly preferably 150 cN / 25 mm width or more, from the viewpoint of preventing tearing in normal cleaning work. .. The tensile strength of the disinfectant cleaning article when wet can be improved by increasing the content of the water-soluble binder having a carboxy group, the content of the metal ion compound, and the like.

The disinfectant cleaning article of the present invention can be used for various cleaning purposes while maintaining the required strength, and by wiping the surface to be cleaned with the disinfectant cleaning article, bacteria (E. coli or yellow) adhering to the surface to be cleaned Bacteria that can be pathogenic bacteria such as Staphylococcus aureus) can be eradicated. Therefore, the disinfectant cleaning article of the present invention is used for sheet-shaped cleaning articles used for hard surfaces such as kitchens, living rooms, toilets, and bathtubs, and for cleaning the skin around the anus, urinary organs, and vulva used in toilets and the like. It is preferably used as a cleaning article.
If necessary, the disinfectant cleaning article of the present invention can cleanly remove dirt adhering to the surface to be cleaned, and at the same time, continuously deodorize and remove bad odors such as manure. Can be fungus. Therefore, the sterilizing cleaning article of the present invention is suitably used as a cleaning article for cleaning a toilet where manure odor and sterilization are particularly problematic, and as a cleaning article for skin cleaning used in a toilet or the like.

The disinfectant cleaning article of the present invention is, for example, sealed in an appropriate number in a package for convenience of storage and use. The package is composed of a sheet-like soft packaging material that is substantially impermeable to water vapor, and the soft packaging material is joined at a predetermined portion by a joining means such as a heat seal to form a sealed structure. ..
Examples of the flexible packaging material include cellophane and polyethylene, a composite film of biaxially stretched polypropylene and polyethylene, a composite film of polyester and polyethylene, a composite film of polyester and unstretched polypropylene, and a composite of biaxially stretched nylon and polyethylene. A film, a composite film in which cellophane, polyethylene, aluminum foil, and polyethylene are sequentially laminated, a composite film in which biaxially stretched polypropylene, polyethylene, aluminum foil, and ethylene are sequentially laminated, and polyester, ethylene, aluminum foil, and ethylene are sequentially laminated. Laminated composite film, composite film of polyester and aluminum vacuum vapor deposition and ethylene, composite film of biaxially stretched polypropylene and aluminum vacuum vapor deposition and ethylene, composite film of polyester, aluminum foil and unstretched polypropylene, biaxially stretched nylon And a composite film of aluminum foil and unstretched polypropylene.

The package may be provided with an outlet for taking out the disinfectant cleaning article contained therein. As long as the outlet can be repeatedly opened and sealed, regardless of its structure and material, for example, a known flap label made of vinyl chloride, a plastic opening / closing lid, or the like can be used. When a flap label is used as the outlet, not only the flap label that can be opened and sealed repeatedly but also the flap label that can be peeled off and opened only once can be used.

Regarding the above-described embodiment, the present invention further discloses the following disinfectant cleaning articles.

(1) A disinfectant cleaning article obtained by impregnating a base sheet having a basis weight of 20 to 120 g / m ² containing 80% by mass or more of cellulosic fibers with a liquid cleaning composition.
The liquid detergency composition contains an organic acid (a) of 0.01 to 0.50% by mass, a surfactant (b) of 0.1 to 1.0% by mass, and a divalent or higher metal ion compound (c) 0. .Bactericidal cleaning article containing 5 to 5.0% by mass.
(2) The sterilizing cleaning article according to (1), wherein the component (a) is an aliphatic hydroxycarboxylic acid.
(3) The disinfectant cleaning article according to (1) or (2), wherein the component (a) is selected from the group consisting of citric acid, lactic acid and malic acid.
(4) The sterilizing cleaning article according to any one of (1) to (3), wherein the fragrance (d) is contained in the liquid cleaning composition in an amount of 0.01 to 0.50% by mass.
(5) The disinfectant cleaning article according to any one of (1) to (4), wherein the base material sheet contains a water-soluble binder having a carboxy group.
(6) The sterilizing cleaning according to any one of (1) to (5), wherein the metal of the component (c) is selected from the group consisting of alkaline earth metal, manganese, zinc, cobalt and nickel. Goods.
(7) The disinfectant cleaning article according to any one of (1) to (6), wherein the surfactant (b) is a cationic surfactant.
(8) The disinfectant cleaning article according to any one of (1) to (7), wherein the impregnation amount of the liquid detergency composition is 100 to 500% by mass with respect to the mass of the base material sheet. ..

(9) The sterilizing cleaning article according to any one of (1) to (8), wherein the component (d) contains 0.01% by mass or more of plant essential oil in the component (d).
(10) The liquid detergency composition contains an aliphatic alcohol solvent or glycol or a monoether solvent thereof (preferably ethanol, isopropanol, isopropanol, propylene glycol, propylene glycol monomethyl ether, dipropylene glycol) (1). ) To the disinfectant cleaning article according to any one of (9).
(11) Contains 50 to 90% by mass (preferably an aliphatic alcohol solvent or glycol or a monoether solvent thereof (preferably 30 to 85% by mass)) based on the total mass of the liquid detergency composition. The disinfectant cleaning article according to any one of (1) to (10).
(12) The sterilization according to any one of (1) to (11), wherein the pH of the liquid detergency composition is 2.5 to 6.0 (preferably 4.0 to 5.5). Sex cleaning items.
(13) The content of the water-soluble binder having a carboxy group is 0.1 to 20% by mass (preferably 1 to 15% by mass) with respect to the total mass of the base sheet (5) to (12). ), The disinfectant cleaning article according to any one of the items.
(14) A method for producing a disinfectant cleaning article obtained by impregnating a base material sheet with a liquid cleaning composition.
The disinfectant cleaning article is the disinfectant cleaning article according to any one of (1) to (13), and the base sheet is impregnated with the liquid cleaning composition and then wet-embossed. A method for manufacturing a fungal cleaning article.

Hereinafter, the present invention will be described in more detail based on examples, but the present invention is not construed as being limited thereto. Unless otherwise specified, "parts" and "%" indicating the composition below are based on mass.

[Examples 1 to 13 and Comparative Examples 1 to 10]
A liquid cleaning composition having the composition shown in Table 1 below is prepared, and a base sheet having a two-layer structure separately manufactured as described below is impregnated with the liquid cleaning composition to disinfect a cleaning article (cleaning). Sheets) were obtained, and these were used as samples of Examples and Comparative Examples. The impregnation amount of the liquid detergency composition was 200% by mass with respect to the dry mass of the base sheet having a two-layer structure.

In the preparation of the liquid detergency composition of the examples, the pH was adjusted to 4.0 to 4.5 in each case using an aqueous potassium carbonate solution.
Here, Sanizol B-50 (trade name, manufactured by Kao Corporation) is a liquid composition containing about 50.0% by mass of alkylbenzyldimethylammonium chloride having 8 to 18 carbon atoms.
Zinc sulfate aqueous solution (trade name, manufactured by Ako Kasei Co., Ltd.) is a liquid composition containing 28.0% by mass of zinc sulfate.
In addition, the fragrances include rose-based fragrances (mainly blended with floral fragrance components and containing ROS OIL TURKEY of plant essential oils) and herbal fragrances (mainly blended with herbal fragrance components and containing EUCALYPTUS OIL of plant essential oils). used.

<Manufacturing of base sheet>
Only softwood bleached kraft pulp (NBKP), which is a cellulosic fiber, was used as a constituent fiber of the base material sheet. Wet papermaking was performed using a paper material of 100% NBKP to obtain wet paper. After drying the wet paper with a through air dryer until the water content reaches 4%, a sodium salt of carboxymethyl cellulose (CMC) (degree of etherification 0) is used as a water-soluble binder solution having a carboxy group on one surface of the paper. 9. A 5% aqueous solution (viscosity of 1000 mP · s at a liquid temperature of 60 ° C.) of Nippon Paper Industries, Ltd. was sprayed with a spray nozzle. The spray amount of the aqueous solution was adjusted so that the sodium salt content of CMC was 5% with respect to the dry mass of the base sheet. After drying the paper to which the sodium salt of CMC was added with a Yankee dryer, the paper was creped with a doctor blade to obtain a base sheet having a basis weight of 40 g / m ² . Two base sheets of the same size produced in this way are overlapped with the spray surface of the water-soluble binder solution inside, and in that state, embossing is performed while applying water to achieve the desired two-layer structure. Substrate sheet was obtained. In the embossing process, a pair of heated embossed rolls having irregularities that mesh with each other on the peripheral surface were used, and the meshing depth of the irregularities of both rolls was about 1 mm.

[Evaluation]
The strength of each sample (cleaning sheet) of Examples and Comparative Examples was evaluated by the following method. In addition, as a reference test, cleanability (stain removal property), residual scent property, and deodorant property were evaluated. In addition, the liquid detergency composition used for preparing each sample was evaluated for its sterilizing power and its compoundability as a reference test by the following methods.

<Bactericidal power>
10 ml of a squeezed solution of the liquid cleaning composition was collected from each disinfectant cleaning article prepared as a sample and kept warm at 25 ° C. Two 10 ml squeezed liquids were prepared for each Example and each Comparative Example. Then, separately from bacterial mother liquor of Staphylococcus aureus ^{(S.aureus) (10 8 cells /} ml) 0.1ml and bacterial mother liquor E. ^{(E.coli) (10 8 cells /} ml) 0.1ml respectively, the throttle solution Two kinds of samples were prepared by mixing with and inoculating. After inoculation, the mixture was held (contacted) for 3 minutes or 5 minutes to prepare a total of 4 types of samples for each liquid washable composition. Cell concentration during mixing was ¹⁰ 6 cells / ml, respectively. Each sample was allowed to stand at 25 ° C. for 5 minutes. Thereafter, each sample 1ml placed in LP (policing and polysorbate 80) solution 9ml of inactivator, inactivate, and the bacterial concentration of ¹⁰ 5 cells / ml. Next, 0.1 ml of the sample contained in the LP solution was smeared on the SCDLP agar medium (SoybeanCasein Digist Again Lecithin and Polysorbate 80) in the petri dish, and the petri dish was rotated and spread with a spreader. Cell concentration at this point was ¹⁰ 4 cells / dish. Then, the cells were cultured in a constant temperature bath at 35 ° C. for 24 hours, and the number of colonies was measured.
From the sterilization test, the sterilization activity value was obtained based on the following formula and evaluated according to the following criteria.
In Table 1 below, the case of holding time of 3 minutes is shown as "sterilizing power (holding 3 minutes)", and the case of holding time of 5 minutes is shown as "sterilizing power (holding 5 minutes)".

Sterilization activity value: log (number of cells initially planted) -log (number of cells after a predetermined time)

〔Evaluation criteria〕
⊚: Sterilization activity value is 3 or more for both bacterial species (sterilization rate 99.9% or more)
◯: The sterilization activity value of both bacterial species is 2 or more (sterilization rate 99% or more).
Δ: The sterilization activity value of either of the two bacterial species is 2 or more ×: The sterilization activity value of both bacterial species is 2 or less

Here, the evaluation "⊚" is the pass level for the sterilizing power (holding time 5 minutes), and the evaluation "○" is the passing level for the sterilizing power (holding time 3 minutes).

<Sheet strength>
The tile surface (50 cm x 50 cm), which is made by laying a large number of tiles (25 mm x 25 mm) with a smooth surface, is wiped with a sample (cleaning sheet) 50 times each in the vertical and horizontal directions, for a total of 200 times, and the state of the sheet after cleaning is checked. It was visually observed and evaluated according to the following criteria.

〔Evaluation criteria〕
◎: No fluffing, tearing, tearing, or holes, surface condition is the same as before the test ○: No tearing, tearing, or holes, but fluffing on the surface is conspicuous △: Slight tearing occurs ×: Large tearing, tearing Occurrence

Here, as for the sheet strength, the evaluation "○" is a passing level without any problem in actual use.

<Cleanability>
Toilet bowls were actually cleaned using a sample (cleaning sheet) and evaluated according to the following criteria.

〔Evaluation criteria〕
○: Easily removes urine and stool sticking △: Slightly difficult to remove urine and stool sticking ×: Does not remove urine and stool sticking

<Mixability of liquid cleaning composition>
The liquid detergency composition immediately after the adjustment was left at room temperature (about 25 ° C.) for 1 day, and then the liquid detergency composition was visually observed and evaluated according to the following criteria.

〔Evaluation criteria〕
◯: No turbidity or precipitate △: Slight turbidity is observed ×: Turbidity or precipitate is observed

<Residual fragrance>
The evaluation plate (round plate with a diameter of 16 cm) was wiped with a sample (cleaning sheet) three times (wipe off three times), and one hour later, a sensory evaluation was performed by the following six-step odor intensity display method. The sensory evaluation was performed by 3 people, and the average of the scores (rounded to the first decimal place) of the 3 people by the 6-step odor intensity display method was calculated. As for the residual scent, it is better that the scent remains.

[6-step odor intensity display method]
5: Very odor 4: Strong odor 3: Clear odor 2: Weak odor 1: Slight odor 0: No odor

<Deodorant>
2 mL of mixed urine, which is a mixture of urine collected from multiple people, is dropped on the surface of an evaluation dish (round dish with a diameter of 16 cm), dried in a draft for 3 hours, and wiped once or three times with a sample (cleaning sheet). Wipe off with. Immediately after wiping, sensory evaluation was performed by the following 6-step odor intensity display method. The sensory evaluation was performed by 3 people, and the average of the scores (rounded to the first decimal place) of the 3 people by the 6-step odor intensity display method was calculated.
In Table 1 below, the case of one-time wiping is shown as "deodorant property (one-time wiping)" and the case of three-time wiping is shown as "deodorant property (three-time wiping)".

[6-step odor intensity display method]
5: Very odor 4: Strong odor 3: Clear odor 2: Weak odor 1: Slight odor 0: No odor

These results are summarized in Table 1 below.
The "%" in the organic acid (a), the surfactant (b), the metal ionic compound (c) and the fragrance (d) is mass% in the liquid detergency composition, and the remaining components are solvents. , Amphoteric surfactant, and water. Here, in Table 1, the content% in the surfactant (b) is the blending amount of Sanizol B-50, and the content of the surfactant itself is half the mass% of the stated value. Similarly, the content% in the metal ion compound (c) is the blending amount of the zinc sulfate aqueous solution, and the content of the metal ion compound itself is 28.0% by mass of the described value.
In addition, "-" indicates that it is unused.

As is clear from Comparative Examples 6 to 10 in Table 1 above, when the organic acid (a) is not used, the sterilizing power gradually deteriorates as the content of the divalent or higher metal ion compound increases, and conversely, the sheet strength Will increase.
From Comparative Examples 1 and 2, it can be seen that when the content of the surfactant (b) is small, the sterilizing power is inferior, and when the content of the organic acid (a) is large, the sheet strength is inferior.
On the other hand, the organic acid (a) 0.01 to 0.50% by mass, the surfactant (b) 0.1 to 1.0% by mass, and the divalent or higher metal ionic compound (c) 0.5 to 5 It can be seen that all of Examples 1 to 13 containing 0.0% by mass are excellent in sterilizing power and sheet strength, and have both sterilizing property and sheet strength. Moreover, all of Examples 1 to 13 were excellent in cleanability, compoundability, residual fragrance, and deodorant property.

Claims (6)

A disinfectant cleaning article obtained by impregnating a base sheet having a basis weight of 20 to 120 g / m ² containing 80% by mass or more of cellulosic fibers with a liquid cleaning composition.
The liquid cleaning composition is an organic acid (a) 0.01 to 0.50 wt%, the surfactant (b) 0.1 to 1.0 wt% and a divalent or more metal ion compounds (c) 1 containing 2.0 to 5.0 mass%,
The base sheet contains a water-soluble binder having a carboxy group,
The metal ion in the divalent or higher valent metal ion compound (c) is contained in an amount of 1/2 mol or more with respect to 1 mol of the carboxy group.
A disinfectant cleaning article for hard surfaces , wherein the surfactant (b) is a cationic surfactant. The disinfectant cleaning article for a hard surface according to claim 1, wherein the component (a) is an aliphatic hydroxycarboxylic acid. The disinfectant cleaning article for a hard surface according to claim 1 or 2, wherein the component (a) is selected from the group consisting of citric acid, lactic acid and malic acid. The disinfectant cleaning article for a hard surface according to any one of claims 1 to 3, wherein the fragrance (d) is contained in the liquid detergency composition in an amount of 0.01 to 0.50% by mass. The disinfectant cleaning article for a hard surface according to any one of claims 1 to 4, wherein the metal of the component (c) is selected from the group consisting of alkaline earth metals, manganese, zinc, cobalt and nickel. .. The disinfectant cleaning article for a hard surface according to any one of claims 1 to 5, wherein the impregnation amount of the liquid detergency composition is 100 to 500% by mass with respect to the mass of the base material sheet.