JP2022177734A - Antibacterial deodorant sheet, manufacturing method thereof, absorbent article having the same, and antibacterial deodorant agent - Google Patents

Abstract

To provide an antibacterial deodorant sheet in which perfume modulation in the preservation state is prevented effectively, in spite of containing an adsorbent and an antibacterial agent.SOLUTION: An antibacterial deodorant sheet contains a perfume, an antibacterial agent, and an adsorbent. The antibacterial agent contains calcium phosphate and silver. The adsorbent contains a complex salt comprising silicon dioxide, zinc oxide, and aluminum oxide. A specific surface area of the adsorbent is 100 m2/g or more and 270 m2/g or less. Preferably the antibacterial agent is contained as much as 0.05 mass% or more and 3 mass% or less. Further preferably. The adsorbent is contained as much as 2 mass% or more and 8 mass% or less.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to an antibacterial deodorizing sheet, a method for producing the same, and an absorbent article having the same. The present invention also relates to an antibacterial deodorant.

As a countermeasure against offensive odors originating from excrement such as urine in absorbent articles such as disposable diapers and sanitary napkins, a technique of incorporating a fragrance for masking offensive odors and an adsorbent for adsorbing offensive odor components into sheets constituting the absorbent articles. It has been known. For example, the present applicant has previously proposed a sheet for absorbent articles that has a fragrance and an antibacterial agent but does not have activated carbon (see Patent Document 1). According to this sheet for absorbent articles, since the sheet does not contain activated carbon, the fragrance of the fragrance is prevented from being degraded, and the effect of the fragrance originally possessed by the fragrance is prevented from being reduced.

Patent Literature 2 describes a deodorizing paper containing perfume, a hydrophobic deodorizing porous material and a hydrophilic deodorizing porous material. This deodorant paper also prevents the fragrance of the fragrance from deteriorating, so that the original fragrance of the fragrance can be fully perceived.

JP 2018-166937 A JP 2018-166938 A

However, when an antibacterial agent and a deodorant coexist in a scented sheet, the causes of deterioration of fragrance are complicated, and it is not easy to effectively prevent deterioration of fragrance.
Accordingly, an object of the present invention is to provide an antibacterial deodorizing sheet that has good fragrance release, reduces unpleasant odors caused by excrement, and has excellent antibacterial performance.

The present invention is an antibacterial deodorant sheet containing a fragrance, an antibacterial agent and an adsorbent,
The antibacterial agent contains calcium phosphate and silver,
The adsorbent contains a composite salt of silicon dioxide, zinc oxide and aluminum oxide,
The above problems have been solved by providing an antibacterial deodorizing sheet in which the adsorbent has a specific surface area of 100 m ² /g or more and 270 m ² /g or less.

In addition, the present invention provides a suitable method for producing the antibacterial deodorant sheet,
forming a paper web by wet paper making a slurry obtained by dispersing the antibacterial agent, the adsorbent and the fiber material in water;
A method for producing an antibacterial deodorizing sheet, comprising a step of imparting the perfume to the paper web.

Furthermore, the present invention is an antibacterial deodorant containing a fragrance, an adsorbent and an antibacterial agent,
The adsorbent contains a composite salt of silicon dioxide, zinc oxide and aluminum oxide,
The antibacterial agent contains calcium phosphate and silver,
The present invention provides an antimicrobial deodorant, wherein the adsorbent has a specific surface area of 100 m ² /g or more and 270 m ² /g or less.

According to the present invention, there is provided an antibacterial deodorizing sheet that effectively prevents deterioration of fragrance during storage despite containing an adsorbent and an antibacterial agent.

FIG. 1 is a thickness direction cross-sectional view along the lateral direction of an embodiment of an absorbent article provided with an antibacterial deodorant sheet of the present invention.

The present invention will be described below based on its preferred embodiments. The antibacterial deodorant sheet of the present invention is a scented sheet obtained by imparting a fragrance to a sheet base material. The antibacterial deodorant sheet of the present invention contains an adsorbent and an antibacterial agent in addition to the fragrance.

There are no particular restrictions on the type of sheet base material as long as it can hold the fragrance, adsorbent and antibacterial agent. For example, a fiber sheet having liquid permeability such as woven fabric, nonwoven fabric, knitted fabric, and paper can be used as the sheet base material. Alternatively, a resin film, which is a liquid-impermeable sheet, can be used as the sheet substrate. Furthermore, a composite sheet obtained by laminating a fiber sheet and a resin film can also be used. When the antibacterial deodorant sheet of the present invention is used as a constituent member of absorbent articles, for example, various fiber sheets are preferably used as the sheet substrate.
The sheet base material may have a single layer structure, or may have a laminated structure in which two or more layers are laminated. The sheet substrate is typically a non-woven fabric or paper produced by a known wet papermaking process.

When the sheet base material is a fiber sheet, a typical constituent fiber of the fiber sheet is a cellulosic fiber. In particular, when the sheet base material is paper, its main constituent fibers, that is, the constituent fibers whose content exceeds 50% by mass with respect to the total weight of the sheet base material, are usually cellulosic fibers.
Cellulosic fibers that are used in various applications including sanitary products can be used without particular limitation, and examples thereof include natural cellulose fibers, mercerized cellulose fibers, dissolved cellulose fibers, and cellulose fiber derivatives. , these can be used alone or in combination of two or more.
Examples of natural cellulose fibers include wood pulp such as softwood pulp and hardwood pulp; cotton pulp such as cotton linter and cotton lint; non-wood pulp such as straw pulp, bagasse pulp and hemp pulp;
Mercerized cellulose fibers are cellulose fibers that have been alkali modified (so-called mercerized) by concentrated alkali treatment.
Examples of dissolved cellulose fibers include Lyocell (registered trademark), Tencel (registered trademark), Bemberg (registered trademark), viscose rayon, and Bemliese (registered trademark).
Cellulose fiber derivatives include, for example, carboxymethyl cellulose, carboxyethyl cellulose, TEMPO-catalyzed oxidized cellulose, methyl cellulose, and ethyl cellulose.

Fibers other than cellulosic fibers can also be used as the constituent fibers of the fiber sheet. Examples of other fibers include hydrophilic synthetic fibers such as polyvinyl alcohol fibers and polyacrylonitrile fibers; and hydrophobic synthetic fibers such as polyethylene terephthalate fibers, polyethylene fibers, polypropylene fibers and polyester fibers. Hydrophobic synthetic fibers may be hydrophilized with a hydrophilizing agent such as a surfactant, if necessary.
As other fibers, heat-fusible fibers that can be melted and bonded to each other by heating can also be used. Examples thereof include polyolefin fibers such as polyethylene and polypropylene, polyester fibers, polyethylene-polypropylene composite fibers, and fibrous polyvinyl alcohol. The form of the composite fiber is not particularly limited, and for example, a core-sheath type, a side-by-side type, or the like can be appropriately selected.

In addition to the fiber component described above, the sheet base material may contain other components within the scope of the present invention. Other components include, for example, paper strength agents. Examples of paper strength reinforcing agents that can be used include polyamine-epichlorohydrin resin, dialdehyde starch, sponge, carboxymethyl cellulose, and the like. These paper strength reinforcing agents can be used singly or in combination of two or more.

The basis weight of the sheet base material is not particularly limited, and may be appropriately set according to the specific application of the antibacterial deodorizing sheet of the present invention. For example, when the antibacterial deodorant sheet of the present invention is disposed between the topsheet and the backsheet of an absorbent article, the basis weight of the sheet base material is preferably 10 g/m ² or more, more preferably 15 g/m 2 or more. m ² or more, preferably 50 g/m ² or less, more preferably 40 g/m ² or less.

The sheet base material contains a perfume. One of the main purposes of using fragrances is to reduce unpleasant odors caused by excrement. The point is masking and/or harmonization by the scent of perfume.
The perfume used in the present invention may be any perfume that can achieve the purpose by volatilizing the perfume into the atmosphere under atmospheric pressure. Any perfume can be used without any particular limitation, and those conventionally used in absorbent articles such as disposable diapers can be used.
As the perfume, for example, a highly volatile perfume component with a boiling point of about 250°C or less or a medium volatile perfume component with a boiling point of about 250 to about 300°C is preferably used.

Examples of the highly volatile perfume ingredients include anisole, benzaldehyde, benzyl acetate, benzyl alcohol, benzyl formate, isobornyl acetate, citronellal, citronellol, citronellyl acetate, paracymene, decanal, dihydrolinalool, dihydromyrcenol, dimethylphenylcarbinol, Eucalyptol, 1-carvone, geranial, geraniol, geranyl acetate, geranyl nitrile, neryl acetate, nonyl acetate, linalool, ethyl linalool, linalyl acetate, phenylethyl alcohol, α-pinene, β-pinene, γ-pinene, α- Ionone, β-ionone, γ-ionone, α-terpineol, β-terpineol, terpinyl acetate, tentalome and the like can be mentioned, and these can be used alone or in combination of two or more. Among them, citronellol, linalool and geraniol are preferably used.

Examples of the moderately volatile perfume ingredients include amyl cinnamaldehyde, methyl dihydrojasmonate, isoamyl salicylate, β-caryophyllene, cedrene, cedryl methyl ether, cinnamic alcohol, coumarin, dimethylbenzylcarbyl acetate, isoeugenol, and γ-methylionone. , heliotropin, hexyl salicylate, cis-3-hexenyl salicylate, phenylhexanol, pentalide, etc., and these can be used alone or in combination of two or more.

The perfumes used in the present invention include rose scent, lavender scent, jasmine scent, and ylang-ylang scent, in addition to the above-mentioned high volatility and medium volatility perfume components, or in addition to these perfume components. A perfume composition containing perfume can also be used. Examples of such perfume compositions include nerol, lavandulol, jasmar, cyclopidene, etc., and these can be used alone or in combination of two or more.
The fragrances used in the present invention include the above-mentioned single fragrance materials, and natural essential oils and blended bases, such as "combination of fragrance materials composed of multiple fragrances (fragrance composition) diluted with a solvent.・Adjusted” is included. For example, a perfume composition containing a perfume having a rose, lavender, jasmine, or ylang-ylang-like scent can be used as the perfume.

In particular, the perfume used in the present invention preferably contains a hydrophobic compound with an IOB value of 0.55 or less and a hydrophilic compound with an IOB value of 0.8 or more. The IOB value is the ratio of inorganic value to organic value (hereinafter referred to as “IOB (Inorganic Organic Balance) value”), which is the ratio of the inorganic value to the organic value of a substance. By using a perfume containing a compound having such an IOB value, the deterioration of the scent of the perfume can be effectively suppressed by using the perfume in combination with an antibacterial agent and an adsorbent to be described later.

In general, the properties of substances are greatly governed by various intermolecular forces between molecules, and these intermolecular forces are mainly composed of Van Der Waals force due to molecular mass and electric affinity due to the polarity of molecules. If the Van Der Waals force and the electric affinity, which have a great influence on changes in the properties of substances, can be individually understood, the properties of unknown substances or their mixtures can be predicted from their combination. be able to. This way of thinking is a theory well known as "organic concept drawing theory". Organic conceptual diagrams are, for example, Mu Fujita's "Organic Analysis" (Kaniya Shoten, 1930), Mu Fujita's "Organic Qualitative Analysis: Systematic. Pure Matter Edition" (Kyoritsu Shuppan, 1953), Mu Fujita "Revised Chemistry Experiments - Organic Chemistry" (Kawade Shobo, 1971), "Systematic Organic Qualitative Analysis (Mixtures)" by Mu Fujita and Masami Akatsuka (Kazama Shobo, 1974), and Yoshio Koda and It is described in detail in Shiro Sato and Yoshio Homma's "New Edition Organic Conceptual Diagram Basics and Applications" (Sankyo Publishing, 2008). In the organic conceptual diagram, regarding the physicochemical physical properties of substances, the degree of physical properties mainly due to Van Der Waals force is called "organic", and the degree of physical properties mainly due to electric affinity is called "inorganic". He perceives the physical properties of substances as a combination of "organic" and "inorganic." Then, one carbon (C) is defined as organicity 20, and the inorganic and organic values of various polar groups are determined as shown in Table 1 below, and the sum of the inorganic values and the organicity The sum of the values is obtained, and the ratio of the two is defined as the IOB value. In the present invention, the IOB value of perfume is determined based on these organic and inorganic values.

Specifically, the inorganic value and organic value of each fragrance component constituting the perfume are determined, and the IOB value is calculated. For example, when citronellol shown in Table 2 below is contained as one component of a perfume, an organic value of carbon (C) × 10 = 200, an inorganic value of -OH × 100 = 100, a double bond × Since it has a minerality value of 1=2 and an organicity value of iso-branching×2=−20, the sum of the minerals is 100+2=102 and the sum of the organics is 200−20=180. Become. Therefore, the IOB value (inorganic value/organic value) is 102/180=0.57.

Hydrophobic compounds having an IOB value of 0.55 or less include 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethyl-cyclopenta-γ-2-benzopyran , benzyl benzoate, p-tert-butyl cyclohexyl acetate, limonene, ethyl 2-cyclohexylpropionate, 2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-butene-1 -ol, 1-(2-tert-butylcyclohexoxy)-2-butanol, nopyr acetate and the like.
Hydrophilic compounds having an IOB value of 0.8 or more include anise alcohol, linalool oxide, α-methyl-3,4-methylene-dioxyhydrocinnamacaldehyde and the like.

In the perfume used in the present invention, the molar ratio D1 of the hydrophobic compound to the hydrophilic compound, that is, the molar concentration of the hydrophobic compound/the molar concentration of the hydrophilic compound, is preferably 0.3 or more, more preferably 0.5 or more. and is preferably 3 or less, more preferably 2 or less, more preferably 0.3 or more and 3 or less, more preferably 0.5 or more and 2 or less. Molar ratio means the ratio of molar concentrations. The molar concentration means a value (mol/kg) calculated from the mass of the component contained in 1 kg of the constituent component of the perfume. Perfumes are composed of aromatic components such as hydrophobic compounds, hydrophilic compounds, intermediate compounds other than these compounds, and components other than the aromatic components, such as solvents.
If the perfume contains multiple types of hydrophobic compounds or multiple types of hydrophilic compounds, the molar ratio D1 of the hydrophobic compounds to the hydrophilic compounds is the total molar concentration of the hydrophobic compounds / the total molar of the hydrophilic compounds. concentration.

An example of the case where perfume P contains two types of hydrophobic compounds A and B, which are perfume components with an IOB of 0.55 or less, and one type of hydrophilic compound C, which is a perfume component with an IOB of 0.8 or more. , a calculation method for the molar ratio D1 of the hydrophobic compound to the hydrophilic compound. Since the perfume P contains two kinds of hydrophobic compounds, the molar ratio D1 of the hydrophobic compound to the hydrophilic compound is the total molar concentration of the hydrophobic compounds A and B/molar concentration of the hydrophilic compound C.
The molar ratio D1 of hydrophobic compounds to hydrophilic compounds may be the total number of moles of hydrophobic compounds in the perfume/total number of moles of hydrophilic compounds in the perfume. For example, W is the mass of the perfume P, X _A % is the mixing ratio of the hydrophobic compound A with respect to the weight W of the perfume P, X _B % is the mixing ratio of the hydrophobic compound B with respect to the weight W of the perfume P, and the molecular weight of the hydrophobic compound. Assuming that M _A is the molecular weight of the hydrophobic compound B and M _B is the molecular weight of the hydrophobic compound B, the total number of moles of the hydrophobic compounds is obtained by the following formula.
Total number of moles (mol) of hydrophobic compounds = (W x X _A / 100) / M _A + (W x X _B / 100) / M _B
Further, if the compounding ratio of the hydrophilic compound C to the weight W of the perfume P is X _C %, and the molecular weight of the hydrophilic compound is M _C , the number of moles of the hydrophilic compound is obtained by the following formula.
Number of moles of hydrophilic compound (mol) = (W × X _C / 100) / M _C
Then, the molar ratio D1 of the hydrophobic compound to the perfume hydrophilic compound (molar concentration of the hydrophobic compound/molar concentration of the hydrophilic compound) is the total number of moles of the hydrophobic compound in the perfume/mol of the hydrophilic compound in the perfume represented by a number.

A method for calculating the molar ratio D1 of the hydrophobic compound to the hydrophilic compound will be described more specifically. 0.033 mol of 1-(2-tert-butylcyclohexoxy)-2-butanol and 0.012 mol of nopyr acetate as hydrophobic compounds and 0.015 mol of When containing linalool oxide and 0.013 mol of α-methyl-3,4-methylene-dioxyhydrocinnamacaldehyde, the molar ratio D1 of the hydrophobic compound to the hydrophilic compound is (0.033+0 .012)/(0.015+0.013)=1.61.

The aroma components of the perfume used in the present invention, that is, the hydrophilic compounds, the hydrophobic compounds, and the aroma components of the intermediate compounds described later can be obtained by gas chromatography (GC), gas chromatography-mass spectrometry (GC-MS), or the like. As a qualitative and quantitative method of the aroma component, it can be specified by a conventionally used method.
For the qualitative determination of the constituent components of the perfume and the measurement of the blending amount, a 5 cm × 5 cm cut piece was collected from the center of one antibacterial deodorant sheet, the cut piece was placed in a 100 mL vial bottle, and placed at room temperature (25 ° C.). After immersing in 100 mL of ethanol for 48 hours, ultrasonic waves are applied for 10 minutes to extract the fragrance component, and then the extracted component is analyzed by GC-MS. This method is repeated three times, and the average value is taken as the blending amount of the perfume.

The fragrance used in the present invention can contain an intermediate compound, which is a compound other than the hydrophobic compound and the hydrophilic compound, as an aromatic component. Intermediate compounds such as linalool, geraniol, citronellol, benzyl acetate, phenylhexanol, beta-phenylethyl alcohol, 2-methyl-4-(2,2,3-trimethyl-3-cyclopenten-1-yl)-2-butene -1-ol, cinnamyl alcohol, coumarin and the like.
In addition, the perfume used in the present invention may not contain an intermediate compound.

In the antibacterial deodorant sheet of the present invention, the content of the perfume is not particularly limited, and can be appropriately set according to the type of perfume and the specific application of the antibacterial deodorant sheet. For example, when the antibacterial deodorant sheet of the present invention is arranged between the topsheet and the backsheet of an absorbent article, the content of the perfume in the antibacterial deodorant sheet is preferably 0.1% by mass or more, It is more preferably 0.5% by mass or more, preferably 3.0% by mass or less, and still more preferably 1.0% by mass or less. By setting the content of perfume in the antibacterial deodorant sheet to the above lower limit or more, a desired scent can be obtained, and by setting the content to the above upper limit or less, the antibacterial deodorant sheet can be applied, for example, to absorbent articles. In this case, the scent can be stored in the package containing the absorbent article, and the transfer of the scent to other packages can be reduced.

The antibacterial deodorant sheet of the present invention further contains an antibacterial agent in addition to the perfume. The antibacterial agent used in the present invention is typically an antibacterial substance capable of exerting a deodorizing effect by acting on the source of odor to suppress the generation of odor. That is, in the present invention, the unpleasant odor caused by excrement can be reduced because the antibacterial agent has antibacterial properties that act on the source of the odor. In addition, some antibacterial agents themselves directly act on odors, that is, they neutralize or decompose odors, thereby exhibiting a deodorizing effect. It is also possible to use antimicrobial agents that act directly on the Examples of the antibacterial agent used in the present invention include those used for antibacterial purposes in absorbent articles such as sanitary napkins, provided that they do not substantially degrade the fragrance of the perfume described above. Specific examples include metals, antibacterial metal-supported substances, organic antibacterial agents, and the like, and these can be used alone or in combination of two or more.

In particular, it is preferable to use particles containing calcium phosphate and silver as the antibacterial agent in relation to the type of adsorbent to be described later. By using this antibacterial agent, even when the antibacterial agent is used in combination with an adsorbent to be described later, it is possible to effectively suppress deterioration of the scent of the fragrance.
In the antibacterial agent particles described above, calcium phosphate, for example, can be used as a carrier. When calcium phosphate is used as a carrier, silver is preferably supported on calcium phosphate as a carrier from the viewpoint of exhibiting an antibacterial effect. That is, the particles containing calcium phosphate and silver are preferably silver-supporting calcium phosphate particles. Antibacterial agents with calcium phosphate as a carrier have good affinity (biocompatibility) with the human body, have high antibacterial persistence, and excellent safety. Longer duration of effect.
Alternatively, the antimicrobial agent particles may be a mixture of calcium phosphate and silver. In this case, the antibacterial agent particles may be a mixture of calcium phosphate and silver, or a mixture containing other ingredients in addition to these. Other components include, for example, phosphates other than calcium phosphate and silica. Examples of the phosphate include zinc phosphate and aluminum phosphate.
In any of the above-described embodiments of the antibacterial agent particles, the silver contained in the antibacterial agent may be present in the form of silver ions or may be present in the form of metallic silver, Alternatively, it may exist in the form of a silver compound. When silver is present in the form of a silver compound, the silver compound includes, for example, silver oxide.

Examples of calcium phosphate include tricalcium phosphate [Ca ₃ (PO ₄ ) ₂ ], calcium monohydrogen phosphate dihydrate [CaHPO ₄ .2H ₂ O], calcium dihydrogen phosphate monohydrate [Ca(H _{2 PO4 ) 2.H2O} ], _octacalcium phosphate _{[ Ca8H2 ( PO4} )6.5H2O], tetracalcium phosphate [ _Ca4 ( _PO4 ) _2O ], hydroxyapatite [ _Ca10 (PO ₄ ) ₆ (OH) ₂ ], calcium hydrogen pyrophosphate [CaH ₂ P ₂ O ₇ ], hydroxyapatite [Ca ₁₀ (PO ₄ ) ₆ (OH) ₂ ], calcium pyrophosphate [Ca ₂ P ₂ O ₇ ], halogenated apatites of Ca ₁₀ (PO ₄ ) ₆ X ₂ (X=F, Cl), non-stoichiometric apatites Ca _10-Z (HPO ₄ ) _y (PO ₄ ) _6-y X _2-y zH ₂ O (X=OH, F, Cl; y and z are non-stoichiometric amounts), whittrokite [Ca ₉ (PO ₄ ) ₆ PO ₃ OH], and amorphous calcium phosphate. Among these compounds, it is preferable to use tricalcium phosphate from the viewpoint of being highly hydrophilic and capable of successfully producing an antibacterial deodorizing sheet by the wet papermaking method described below.

In the present invention, the antibacterial deodorant sheet may contain other antibacterial agents in addition to the antibacterial agents described above. Such antibacterial agents include, for example, metal salts of phosphoric acid, silica, zinc oxide, and the like.
Examples of metal salts of phosphoric acid include zinc salts, aluminum salts, zirconium salts and calcium salts.

It is preferable that the specific surface area of the particles of the antibacterial agent is appropriately adjusted from the viewpoint of preventing deterioration of the scent of the perfume and adsorbing odors. From the viewpoint of ensuring that the fragrance of the fragrance is sufficiently maintained without the fragrance component volatilized from the fragrance being adsorbed by the antimicrobial agent, the specific surface area of the particles of the antimicrobial agent is preferably 20 m ² /g or less, More preferably, it is 15 m ² /g or less.
On the other hand, when the specific surface area of the antibacterial agent particles is more than a certain value, the antibacterial agent itself can be expected to absorb and deodorize odors. It can be an antibacterial agent that combines the chemical deodorizing ability of the silver contained in the agent. Considering this point, the specific surface area of the antibacterial agent particles is preferably 5 m ² /g or more, more preferably 10 m ² /g or more. The specific surface area of the antibacterial agent is measured by the following method.

<Method for measuring the specific surface area of the antibacterial agent>
A BET surface area measuring device (BELSORP-MR6, manufactured by Microtrac Bell Co., Ltd.) is used to measure by the BET one-point method. As the adsorption gas, a gas containing 30% by volume nitrogen and 70% by volume helium is used. As a pretreatment of the sample, the adsorbed gas was passed through at 120°C for 10 minutes, then the cell containing the sample was cooled with liquid nitrogen, and after the adsorption was completed, the temperature was raised to room temperature, and the amount of nitrogen desorbed from the sample was measured. The specific surface area is calculated by determining the surface area and dividing the value of the surface area by the mass of the sample.

In relation to the specific surface area, the average particle diameter of the antibacterial agent particles is preferably 0.3 μm or more, more preferably 1.0 μm or more, and still more preferably 2.0 μm or more, and It is preferably 25 μm or less, more preferably 10 μm or less, and even more preferably 5 μm or less. By setting the average particle diameter of the antibacterial agent particles to the above lower limit or more, the fine powder of the antibacterial agent particles does not scatter, and the productivity at the time of production can be improved. In addition, by setting the average particle diameter of the antibacterial agent particles to the above upper limit or less, especially when the antibacterial deodorant sheet is produced by a wet papermaking method as described later, the texture of the produced antibacterial deodorant sheet can be improved. The sheet can carry the particles of the antimicrobial agent well. The average particle size of the antimicrobial agent particles is measured by the following method.

<Method for measuring average particle size of particles>
A laser diffraction/scattering particle size distribution analyzer (eg, LA-960, manufactured by Horiba, Ltd.) is used for measurement according to a conventional method. Measurement conditions are as follows Measurement cell: Flow cell Particle size standard: Volume Dispersion medium: Suitable solvent with good dispersibility of particles, e.g., ethanol/distilled water = 90/10 mass%
・Dispersion method: stirring, built-in ultrasonic wave for 3 minutes ・Transmittance: 70 to 90%
・Sample concentration: 0.1%

In the antibacterial deodorant sheet of the present invention, the content of the antibacterial agent is not particularly limited, and can be appropriately set according to the type of antibacterial agent and the specific application of the antibacterial deodorant sheet. For example, when the antibacterial deodorant sheet of the present invention is arranged between the topsheet and the backsheet of an absorbent article, the content of the antibacterial agent in the antibacterial deodorant sheet is preferably 0.05% by mass or more, It is more preferably 0.08% by mass or more, still more preferably 0.10% by mass or more, and preferably 3% by mass or less, still more preferably 2% by mass or less, and even more preferably 1% by mass or less. In particular, the content of the antibacterial agent in the antibacterial deodorant sheet is preferably 0.05% by mass or more and 3% by mass or less, more preferably 0.08% by mass or more and 2% by mass or less, and still more preferably 0.08% by mass or more and 2% by mass or less. It is 10 mass % or more and 1 mass % or less. A desired antibacterial effect can be obtained by setting the content of the antibacterial agent to the lower limit or more, and deterioration and deterioration of the scent can be prevented by setting the content to the upper limit or less.

The antibacterial deodorizing sheet of the present invention further has an adsorbent in addition to the fragrance and antibacterial agent. The adsorbent used in the present invention is used for the purpose of deodorizing excrement by adsorbing odors such as hydrogen sulfide and organic acids. Hydrogen sulfide is the main component of the putrid odor of human excrement.

Preferably, the adsorbent is inorganic. The reason for this is that when the antibacterial deodorant sheet of the present invention is disposed of after use, the environmental burden is lighter than that of organic matter. In particular, it is preferable to use a composite salt composed of inorganic substances such as silicon dioxide, zinc oxide and aluminum oxide as the adsorbent from the viewpoint that deterioration of the scent of the perfume hardly occurs when used in combination with the antibacterial agent described above.
By using this adsorbent, there is also the advantage that the odor of excrement can be effectively adsorbed.

A composite salt composed of silicon dioxide, zinc oxide and aluminum oxide (hereinafter also referred to as "complex salt adsorbent") contains silicon dioxide, zinc oxide and aluminum oxide, and optionally other components. The composite salt adsorbent is preferably zinc aluminosilicate, which is a composite of silicon dioxide (SiO ₂ ), zinc oxide (ZnO) and aluminum oxide (Al ₂ O ₃ ), from the viewpoint of high adsorption performance. In addition, since zinc aluminosilicate does not contain highly toxic heavy metals, it has little adverse effect on the human body and is low in toxicity and excellent in safety. From these points of view, the composite salt adsorbent is preferably zinc oxide-supported aluminosilicate.
The composition ratio of silicon dioxide (SiO ₂ ), zinc oxide (ZnO) and aluminum oxide (Al ₂ O ₃ ) in the zinc aluminosilicate is preferably SiO ₂ : 5 to 80 mol %, ZnO: 5 to 65 Al ₂ O ₃ : 1 to 60 mol %, more preferably SiO ₂ : 25 to 75 mol %, ZnO: 15 to 60 mol %, Al ₂ O ₃ : 1 to 45 mol %.
The zinc aluminosilicate can be represented, for example, by the following formula.
_{aSiO2.bZnO.cAl2O3.dH2O _ _ _}
In the formula, a is 1 or more, b is 1 or more, c is 1 or more, and d is 0 or more.
Preferably, the composite salt adsorbent is a porous particle. Since the composite salt adsorbent has the form of porous particles, it is expected to adsorb odors on the particle surfaces, and the unpleasant odors caused by excrement can be more effectively reduced. The shape of the particles is not particularly limited, and may be, for example, spherical, bale-shaped, or irregular.

By adjusting the specific surface area of the composite salt adsorbent to an appropriate range, it is possible to effectively suppress deterioration of the scent of the perfume while exhibiting a sufficient ability to adsorb odors. From this point of view, the specific surface area of the composite salt adsorbent is preferably 100 m ² /g or more, more preferably 105 m ² /g or more, still more preferably 110 m ² /g or more.
On the other hand, by not excessively increasing the specific surface area of the composite salt adsorbent, it is possible to suppress excessive adsorption of unintended fragrances, thereby effectively preventing deterioration of fragrances of the fragrances. From this point of view, the specific surface area of the composite salt adsorbent is preferably 270 m ² /g or less, more preferably 260 m ² /g or less, still more preferably 250 m ² /g or less.
Considering the above, the specific surface area of the composite salt adsorbent is preferably 100 m ² /g or more and 270 m ² /g or less, more preferably 105 m ² /g or more and 260 m ² /g or less, and 110 m ^{2 /} g or more. More preferably, it is 250 m ² /g or less.
The method for measuring the specific surface area of the composite salt adsorbent is the same as the method for measuring the specific surface area of the antibacterial agent particles described above.

In relation to the specific surface area, the average particle size of the adsorbent particles including the composite salt adsorbent is preferably 1 µm or more, more preferably 5 µm or more, and more preferably 20 µm or less, and still more preferably. is 10 μm or less, preferably 1 μm or more and 20 μm or less, more preferably 5 μm or more and 10 μm or less. When the average particle size of the adsorbent particles is in this range, the odor adsorption effect is improved, and when the antibacterial deodorant sheet of the present invention is produced by a wet papermaking method as described later, the produced sheet is deterioration of the texture can be suppressed. The method for measuring the average particle size of the adsorbent particles is the same as the method for measuring the average particle size of the antibacterial agent particles described above.

In the antibacterial deodorant sheet of the present invention, the content of the adsorbent is not particularly limited, and can be appropriately set according to the type of antibacterial agent and the specific application of the antibacterial deodorant sheet. For example, when the antibacterial deodorant sheet of the present invention is arranged between the topsheet and the backsheet of an absorbent article, the content of the adsorbent in the antibacterial deodorant sheet is preferably 2% by mass or more, more preferably is 3% by mass or more, preferably 8% by mass or less, more preferably 7% by mass or less, and even more preferably 6% by mass or less. In particular, the content of the adsorbent in the antibacterial deodorizing sheet is preferably 2% by mass or more and 8% by mass or less, more preferably 3% by mass or more and 7% by mass or less, and even more preferably 3% by mass or more and 6% by mass. % or less. By setting the content of the adsorbent to the above lower limit or more, the desired adsorption effect for odorous substances can be obtained, and by setting the content to the above upper limit or less, it is possible to prevent deterioration and deterioration of the scent.

As described above, the antibacterial deodorant sheet of the present invention contains a perfume, an antibacterial agent and an adsorbent, and effectively suppresses deterioration of the perfume while maintaining the fragrance of the perfume at a high level. From the viewpoint of reducing the total weight of the fragrance in the antibacterial deodorant sheet, it is preferable to set the ratio of the total weight of the adsorbent and the antibacterial agent to 2.6 times or more, more preferably 3.3 times or more. , more preferably 4.0 times or more. From the same point of view, the ratio of the total mass of the adsorbent and the antibacterial agent to the mass of the perfume in the antibacterial deodorant sheet is preferably set to 15 times or less, more preferably 10 times or less, and 8 times. It is more preferable to set the following. Considering the above, it is preferable to set the ratio of the total mass of the adsorbent and the antibacterial agent to the mass of the fragrance in the antibacterial deodorant sheet to 2.6 times or more and 15 times or less, and 3.3 times or more to 10 times. It is more preferable to set the ratio to 4.0 times or less, and it is even more preferable to set the ratio to 4.0 times or more and 8 times or less.

Next, a suitable manufacturing method for the antibacterial deodorant sheet of the present invention will be described based on a method for manufacturing an antibacterial deodorant sheet having a sheet base material made of a fiber sheet. It is preferable to employ a wet papermaking method in this manufacturing method from the viewpoint of improving the yield of the fragrance, the antibacterial agent and the adsorbent.

Specifically, for example, an antibacterial deodorizing sheet can be produced by a production method including the following steps (i) and (ii).
(i) A step of wet papermaking a slurry obtained by dispersing an antibacterial agent such as cellulosic fibers, an adsorbent and a fibrous material in water to form a paper web containing the antibacterial agent and the adsorbent.
(ii) applying a perfume to the wet or dry paper web;

The step (i) can be carried out according to a conventional method using a known wet paper machine, for example, the method for producing a molded article made from paper as described in Japanese Patent Application Laid-Open No. 2009-155743.
In the above step (ii), whether the perfume is imparted to the wet paper web or the dry paper web may be appropriately selected according to the type of the perfume to be used. good. The reason why the perfume is not included in the step (i) is that the perfume generally contains a hydrophobic substance, which makes it difficult to disperse in water and tends to lower the yield.
For example, application can be used to apply perfume. When applying the perfume, the undiluted solution of the perfume may be applied as it is, or if necessary, the perfume may be dissolved in an appropriate solvent such as water or various organic solvents, and the perfume-containing liquid may be applied.
The method of applying the perfume is not particularly limited, and examples thereof include a spray method, a brush coating method, an immersion method, and an application method using a bar coater, gravure coater, various roll coaters, and the like.

The antibacterial and deodorant sheet thus produced can be used in various fields by taking advantage of the characteristics of having a strong fragrance, high antibacterial properties, and high odor adsorption properties. In particular, the antibacterial deodorant sheet of the present invention is effective in adsorbing odors from human excrement and suppressing putrefaction of the excrement. It is suitably used as a constituent member of various absorbent articles.

Absorbent articles generally comprise a topsheet positioned closer to the wearer's skin when worn, and a backsheet positioned farther from the wearer's skin. When the antibacterial deodorant sheet of the present invention is used as a constituent member of an absorbent article having such a structure, it is effective to dispose the antibacterial deodorant sheet between the topsheet and the backsheet. It is preferable from the viewpoint of expression of odor effect and effective release of fragrance.

FIG. 1 shows one embodiment of an absorbent article incorporating the antibacterial deodorant sheet of the present invention. The absorbent article 1 shown in the figure comprises a topsheet 2 and a backsheet 3 positioned farther from the wearer's skin than the topsheet 2 . An antibacterial deodorant sheet 4 is arranged in a folded state between both sheets 2 and 3. - 特許庁Although not shown, the absorbent article 1 has a shape elongated in one direction (hereinafter also referred to as "vertical direction"). The vertical direction is a direction perpendicular to the plane of the paper in FIG.
The top sheet 2 and the back sheet 3 each have dimensions larger than the folded antibacterial deodorant sheet 4, and extend outward from the periphery of the antibacterial deodorant sheet 4. They are bonded together by a known bonding means such as an adhesive, heat sealing, ultrasonic sealing, or the like to form a peripheral seal portion 5 .
The antibacterial deodorant sheet 4 in the folded state extends over substantially the entire lengthwise length of the absorbent article 1 and has a vertically elongated rectangular shape in plan view.
The top sheet 2 and back sheet 3 and the antibacterial deodorant sheet 4 may be joined together with an adhesive.
Depending on the specific type of the absorbent article 1, the non-skin facing surface of the absorbent article 1 (the non-skin facing surface of the backsheet 3) may be covered with clothing such as shorts (not shown). An adhesive portion (not shown) for fixing may be provided. This adhesive portion is covered with a release sheet (not shown) when not in use.

As shown in FIG. 1, the antibacterial deodorant sheet 4 is arranged between the topsheet 2 and the backsheet 3 in a folded state, and has a laminated structure of two or more layers. Specifically, the original length of the antibacterial deodorant sheet 4 in the lateral direction Y (that is, the direction orthogonal to the longitudinal direction), that is, the width (width in an unfolded state) is the width of the absorbent article 1 is preferably 2 times or more and 3 times or less. As shown in FIG. 1, the antibacterial deodorant sheet 4, which is wider than the width of the absorbent article 1, has both sides along the longitudinal direction (that is, the direction perpendicular to the paper surface in FIG. 1) on the non-skin facing side. Between the top sheet 2 and the back sheet 3 in a folded state in which the edges along the longitudinal direction of the folded side portions are overlapped at the central portion in the lateral direction Y of the absorbent article 1. are distributed. Therefore, the folded antibacterial deodorizing sheet 4 has a three-layer structure in the central portion in the lateral direction Y, and a two-layer structure in the other portions.

In the absorbent article 1, the antibacterial deodorant sheet 4 can function as an absorber (absorbent sheet) that absorbs and retains bodily fluids such as menstrual blood. As an absorbent body in this type of absorbent article, a fiber stack formed by stacking fibrous materials such as wood pulp is generally used. It has the advantage of being thin and having low rigidity compared to .

As the top sheet 2 and the back sheet 3, those commonly used in absorbent articles can be used without particular limitation. As the surface sheet 2, for example, a hydrophilic nonwoven fabric or a perforated film having liquid permeability can be used, and these nonwoven fabrics and films are generally made of thermoplastic resins such as polyolefin resins such as polyethylene and polypropylene, and polyethylene terephthalate. It is composed of a polyester resin such as As the backsheet 3, for example, a liquid-impermeable film or a non-woven fabric can be used, and the liquid-impermeable film may have moisture permeability.

As shown in FIG. 1, a liquid-permeable second sheet 6 can be arranged between the topsheet 2 and the antibacterial deodorant sheet 4 . The second sheet 6 is a constituent member of the absorbent article, which is also called a sublayer sheet or the like in this technical field.
The second sheet 6 plays a role of improving liquid permeability from the topsheet 2 to the antibacterial deodorizing sheet 4 and reducing liquid returning to the topsheet 2 of the liquid absorbed by the antibacterial deodorizing sheet 4 . The second sheet 6 is arranged, for example, so as to cover substantially the entire skin-facing surface of the antibacterial deodorant sheet 4 .
As the second sheet 6, a hydrophilic nonwoven fabric or a hydrophilic fiber assembly can be used. Nonwoven fabrics include air-through nonwoven fabrics, point-bonded nonwoven fabrics, resin-bonded nonwoven fabrics, spunlaced nonwoven fabrics, air-laid nonwoven fabrics, and the like.

As shown in FIG. 1, recesses 7 may be formed in the skin-facing surface of the topsheet 2 . The topsheet 2 and the second sheet 6 are joined together at the recesses 7 . In a plan view of the absorbent article 1, the recesses 7 may be formed, for example, in a continuous straight line shape or a curved line shape, or may be formed in a dotted shape.
The recesses 7 can be formed by embossing from the side of the surface facing the skin of the topsheet 2 . Any embossing process may be used as long as the constituent fibers of the surface sheet 2 and the second sheet 6 can be melted and pressurized. Examples include thermal embossing and ultrasonic embossing. By such embossing, the surface sheet 2 and the second sheet 6 can be integrated by fusion at the concave portions 7 .

While the above description relates to an antibacterial deodorant sheet containing a fragrance, an antibacterial agent and an adsorbent, the present invention also provides an antibacterial deodorant containing a fragrance, an antibacterial agent and an adsorbent. Details of fragrances, antibacterial agents and adsorbents are given above.
The antibacterial deodorant of the present invention is generally powdery and contains antibacterial agent particles, adsorbent particles, and perfume. The antibacterial deodorant of the present invention can be applied to an object to be antibacterially deodorized in powder form. Alternatively, the antibacterial deodorant of the present invention can be mixed with other materials and molded into a predetermined shape for use. For example, the antibacterial deodorant of the present invention can be mixed with hydrophilic fibers such as fluff pulp and formed into a fiber stack to form absorbent bodies for various absorbent articles.

In the antibacterial deodorant of the present invention, the content of the fragrance is set to 5% by mass or more and 30% by mass or less with respect to the antibacterial deodorant so that the fragrance is not too strong for the wearer. It is preferable from the viewpoint that the fragrance component volatilized from is not excessively adsorbed by the adsorbent and the fragrance of the fragrance can be sustained. From this point of view, the content of the perfume is more preferably set to 10% by mass or more and 25% by mass or less, more preferably 15% by mass or more and 20% by mass or less, relative to the antibacterial deodorant.

In the antibacterial deodorant of the present invention, the content of the antibacterial agent is set to 1% by mass or more and 30% by mass or less with respect to the antibacterial deodorant, even when the antibacterial deodorant is used in a small amount. However, it is preferable from the viewpoint of ensuring antibacterial properties. From this point of view, the content of the antibacterial agent is more preferably set to 2% by mass or more and 25% by mass or less with respect to the antibacterial deodorant, and is preferably set to 2.5% by mass or more and 20% by mass or less. More preferred.

In the antibacterial deodorant of the present invention, the content of the adsorbent is set to 60% by mass or more and 90% by mass or less with respect to the antibacterial deodorant, even when the antibacterial deodorant is used in a small amount. However, it is preferable from the viewpoint of ensuring the deodorant performance. From this point of view, the content of the adsorbent is more preferably set to 70% by mass or more and 85% by mass or less, more preferably 75% by mass or more and 80% by mass or less with respect to the antibacterial deodorant. .

Although the present invention has been described based on the embodiments, the present invention is not limited to the above embodiments and can be modified as appropriate.
For example, in the absorbent article 1 shown in FIG. 1, an absorbent core (not shown) is placed between the topsheet 2 and the backsheet 3, and the antibacterial deodorant sheet 4 is placed so as to cover the absorbent core. may be placed. As the absorbent core, those commonly used in general absorbent articles can be used without particular limitation. It typically comprises hydrophilic fibers such as wood pulp and/or water-absorbing polymer particles.

The present invention will be described in more detail below with reference to examples. However, the scope of the invention is not limited to such examples. "%" means "% by mass" unless otherwise specified.

[Examples 1 to 6 and Comparative Examples 1 to 5]
An antibacterial deodorant sheet was manufactured by the manufacturing method having the steps (i) and (ii) described above.
Specifically, a pulp slurry containing a fiber material, an antibacterial agent and an adsorbent shown in Table 3 below, and water is supplied to a paper machine and wet paper is made to produce particles of the antibacterial agent and particles of the adsorbent. was obtained.
Then, the wet paper was dried by heating to obtain a paper, and the fragrance shown in Table 3 below was applied to the entire area of one side of the paper. As a result, an antibacterial deodorizing sheet was produced in which a sheet base material made of a fiber sheet contained a perfume, an antibacterial agent, and an adsorbent.
As a fiber material, wood pulp, which is a type of cellulosic fiber, was used.
Details of Perfume A and B are shown in Tables 4 and 5 below. Details of the antimicrobial agents are as shown in Table 6 below. Details of the adsorbents are shown in Table 7 below.
The basis weight of the sheet substrate in the obtained antibacterial deodorant sheet was 28 g/m ² . Table 3 shows the contents of the perfume, antibacterial agent and adsorbent contained in the antibacterial deodorizing sheet.

〔evaluation〕
The antibacterial deodorant sheets obtained in Examples and Comparative Examples were evaluated for the degree of modulation of fragrance fragrance, antibacterial performance and deodorant performance (acetic acid and hydrogen sulfide) by the following methods. The results are shown in Table 3 below.

[Degree of modulation of scent of perfume]
A scented paper (paper with no added antibacterial agent and adsorbent) manufactured in the same manner as in Example 1 except that it does not contain an antibacterial agent and an adsorbent was prepared as a standard product, and an antibacterial deodorizing sheet and a standard product were prepared. A measurement sample having a square shape (dimensions: 65 mm×100 mm) in a plan view was cut out from each of them. A measurement sample was stored in a sealed container at a temperature of 50° C. for one month.
After that, sensory evaluation of the fragrance was carried out by five monitors on the antibacterial deodorant sheets of each example and comparative example. Based on the scent of a standard product that was left at a temperature of 50° C. for one month, the following four-level sensory evaluation was performed.
4 points: The fragrance is equivalent to the reference fragrance (highest rating).
3 points: Slightly different from the reference scent.
2 points: Slightly different from the reference scent.
1 point: Clearly different from the reference scent.

[Antibacterial performance]
The antibacterial activity value was measured according to the bacterial liquid absorption method of JIS L 1902:2015 "Antibacterial test method and antibacterial effect of textile products". The antibacterial activity value is an index of antibacterial performance, and the larger the value, the higher the antibacterial performance.

[Deodorizing performance (acetic acid)]
A 10 cm square piece was cut out from the sheet to be measured to form a measurement sample, which was placed in a 500 ml Erlenmeyer flask with a common stopper. After injecting 0.5 μl of an aqueous solution (corresponding to 30 ppm) in which acetic acid (manufactured by Wako Pure Chemical Industries, Ltd.) is adjusted to 3% into the flask containing the measurement sample, the mouth of the flask is quickly closed with a common stopper and left to stand still for 30 minutes. placed. After that, the amount of acetic acid remaining in the flask is measured using an acetic acid detector tube (81L manufactured by Gastech Co., Ltd.), and if the measured value is zero, that is, there is no residual acetic acid, 0.5 μl of a 3% acetic acid aqueous solution was injected, allowed to stand for 30 minutes, and the amount of residual acetic acid was measured. The total amount of the 3% acetic acid aqueous solution injected into the flask until residual acetic acid was detected in the flask was taken as the acetic acid adsorption amount of the sheet to be measured. Acetic acid is the main component of the acidic odor of human excrement, and it is judged that the larger the acetic acid adsorption amount, the higher the effect of reducing the unpleasant odor caused by excrement, and the higher the evaluation.

[Deodorant performance (hydrogen sulfide)]
A 10 cm square piece was cut out from the sheet to be measured to form a measurement sample, which was placed in a 500 ml Erlenmeyer flask with a common stopper. A hydrogen sulfide/nitrogen mixed gas (manufactured by Takachiho Chemical Industry Co., Ltd.) with a hydrogen sulfide concentration of 1000 ppm was injected into the flask containing the measurement sample at 4 ppm using a 5 mL syringe. It was closed with a stopper and left to stand for 30 minutes. After that, the amount of hydrogen sulfide remaining in the flask is measured using a hydrogen sulfide detector tube (4LT manufactured by Gastech Co., Ltd.), and if the measured value is zero, that is, if there is no residual hydrogen sulfide, A hydrogen sulfide/nitrogen mixed gas of 4 ppm was injected into the flask, allowed to stand still for 30 minutes, and the amount of residual hydrogen sulfide was measured. The total amount of hydrogen sulfide injected into the flask until residual hydrogen sulfide was detected in the flask was taken as the hydrogen sulfide adsorption amount of the sheet to be measured. Hydrogen sulfide is the main component of the putrid odor of human excrement, and it is judged that the larger the hydrogen sulfide adsorption amount, the higher the effect of reducing the unpleasant odor caused by excrement, and the higher the evaluation.

As is clear from the results shown in Table 3, the antibacterial deodorant sheets obtained in each example did not perceive any change in the scent of the perfume, and were excellent in antibacterial performance and deodorant performance.
On the other hand, the sheet obtained in the comparative example showed both antibacterial performance and deodorizing performance when the fragrance of the perfume was modulated (Comparative Examples 1, 2 and 5) or when no modulation was perceived. (Comparative Examples 3 and 4).

REFERENCE SIGNS LIST 1 absorbent article 2 top sheet 3 back sheet 4 antibacterial deodorant sheet 5 peripheral seal portion 6 second sheet 7 recessed portion

Claims (9)

An antibacterial deodorant sheet containing a fragrance, an antibacterial agent and an adsorbent,
The antibacterial agent contains calcium phosphate and silver,
The adsorbent contains a composite salt of silicon dioxide, zinc oxide and aluminum oxide,
The antibacterial deodorant sheet, wherein the specific surface area of the adsorbent is 100 m ² /g or more and 270 m ² /g or less. Containing 0.05% by mass or more and 3% by mass or less of the antibacterial agent,
2. The antibacterial deodorant sheet according to claim 1, containing 2% by mass or more and 8% by mass or less of the adsorbent. 3. The antibacterial deodorant sheet according to claim 1, wherein the ratio of the total weight of said antibacterial agent and said adsorbent to the weight of said fragrance is 2.6 times or more and 15 times or less. The antibacterial disinfectant according to any one of claims 1 to 3, wherein the perfume contains a hydrophobic compound having an IOB value of 0.55 or less and a hydrophilic compound having an IOB value of 0.8 or more. smell sheet. The antibacterial deodorizing sheet according to any one of claims 1 to 4, wherein the antibacterial agent contains tricalcium phosphate and silver. An absorbent article comprising a top sheet and a back sheet, wherein the antibacterial deodorant sheet according to any one of claims 1 to 5 is arranged between the two sheets. A method for manufacturing an antibacterial deodorant sheet according to any one of claims 1 to 5,
forming a paper web by wet paper making a slurry obtained by dispersing the antibacterial agent, the adsorbent and the fiber material in water;
A method for producing an antibacterial deodorizing sheet, comprising a step of imparting the perfume to the paper web. An antibacterial deodorant containing a fragrance, an adsorbent and an antibacterial agent,
The adsorbent contains a composite salt of silicon dioxide, zinc oxide and aluminum oxide,
The antibacterial agent contains calcium phosphate and silver,
An antibacterial deodorant, wherein the adsorbent has a specific surface area of 100 m ² /g or more and 270 m ² /g or less. An absorbent body of an absorbent article containing the antibacterial deodorant.

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