WO2008007557A1 - Deodorant particle - Google Patents
Deodorant particle Download PDFInfo
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- WO2008007557A1 WO2008007557A1 PCT/JP2007/062942 JP2007062942W WO2008007557A1 WO 2008007557 A1 WO2008007557 A1 WO 2008007557A1 JP 2007062942 W JP2007062942 W JP 2007062942W WO 2008007557 A1 WO2008007557 A1 WO 2008007557A1
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- particles
- deodorant
- sheet
- monomer
- particle
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/46—Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
- A61L9/014—Deodorant compositions containing sorbent material, e.g. activated carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/18—Suspension polymerisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/34—Monomers containing two or more unsaturated aliphatic radicals
- C08F212/36—Divinylbenzene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/44—Preparation of metal salts or ammonium salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/005—Compositions containing perfumes; Compositions containing deodorants
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
- D06M15/233—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated aromatic, e.g. styrene
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/356—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
- D06M15/3562—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms containing nitrogen
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/08—Processes in which the treating agent is applied in powder or granular form
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
- A61F2013/8408—Additives, e.g. for odour, disinfectant or pH control with odour control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/10—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing inorganic materials
- A61L2300/102—Metals or metal compounds, e.g. salts such as bicarbonates, carbonates, oxides, zeolites, silicates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/404—Biocides, antimicrobial agents, antiseptic agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
- C08F226/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
- C08F226/10—N-Vinyl-pyrrolidone
Definitions
- the present invention relates to a deodorizing particle having high deodorizing ability and deodorizing ability and a method for producing the same.
- the present invention also relates to a deodorized fiber product that is a fiber product having a deodorizing ability. Furthermore, the present invention relates to an absorbent article having a deodorizing ability.
- aluminosilicate deodorants such as activated carbon, silica, activated alumina, sepiolite, natural or synthetic zeolite are known as methods for removing malodor.
- these solid deodorants are effective only for specific odors such as acidic odor or basic odor, and many of them do not have sufficient deodorization effect. This is because malodor is the sum of various malodorous compounds, not a single substance.
- the proposal of a deodorant having a wide deodorant spectrum was few, and the usable conditions were limited.
- Patent Document 1 discloses a particle having a porous cross-linked polymer composed of an aromatic polyvinyl compound and an aromatic mono-vinyl compound, and can be used as an organic adsorbent. Is disclosed. However, the performance as a deodorant that does not describe the adsorption of malodorous components is insufficient.
- Patent Document 2 discloses a technique in which a metal particle is provided with functions such as antibacterial properties and deodorization properties inherent to the metal particle by supporting the metal particle in a porous body. Is disclosed. However, this method requires a reducing agent for reducing the metal salt, which is expensive and the metal salt ligand is problematic when it is reduced to fine metal particles. It is out.
- a polar group such as a carboxyl group, a sulfonic acid group, and an amino group is cited as a polar group capable of ion exchange or ion coordination. Nao.
- Patent Document 3 discloses a porous ion exchange resin obtained by cross-linking polymerization of a metal complex having a polymerizable functional group as a ligand. It is not listed. Also, in this method, a metal component that is taken into the polymer is generated, compared with a method in which a metal salt is supported on porous polymer particles and a metal ion is supported, and a metal component on the polymer particle surface or pore surface is generated. The amount of distribution is reduced and inefficient.
- the absorbent body is wrapped with a sheet-like deodorant fiber product having a deodorizing ability so that the smell of excrement does not come out of the absorbent article.
- Those having a deodorizing effect have been proposed (see Patent Document 4).
- the deodorant fiber product described in Patent Document 4 is obtained by adhering a deodorant having a specific ratio of pores having a specific opening area to a fiber material. According to the deodorant fiber product described in Patent Document 4, a considerable deodorant effect is exhibited. However, in the deodorant fiber product, further improvement of the deodorant effect is desired.
- Patent Document 1 Japanese Patent Laid-Open No. 11 147915
- Patent Document 2 JP-A-9-188778
- Patent Document 3 Japanese Patent Laid-Open No. 1-245859
- Patent Document 4 Japanese Patent Laid-Open No. 2001-70339
- the present invention provides deodorized particles having a BET specific surface area of 10 m 2 / g or more, which is obtained by copolymerizing a monomer component containing a crosslinkable bull monomer and a bull monomer having a heteroaromatic ring. It is.
- the present invention provides a monomer component containing a crosslinkable vinyl monomer and a bull monomer having a heteroaromatic ring, using an organic solvent having a solubility parameter difference with the monomer component of 0 to 2.0.
- the method for producing the above deodorant particles which has a step of performing oil-in-water suspension polymerization or precipitation polymerization, and further contacting the particles obtained by the polymerization with a solvent in which a metal salt is dissolved, so that metal ions are brought into contact with the particles.
- the present invention provides a method for producing the deodorant particles, which comprises a step of supporting the deodorant particles.
- FIG. 1 is a perspective view showing a particle-adhered sheet as an embodiment of the deodorant fiber product of the present invention.
- 2 is a perspective view showing a state in which an absorber is covered with the particle-adhered sheet shown in FIG.
- FIG. 3 is a cross-sectional view in the width direction of the absorbent article produced in Example 16-1.
- FIG. 4 is a SEM photograph of deodorant particles obtained in Example 3.
- FIG. 5 is a cross-sectional view in the width direction of the absorbent article produced in Example 18-1.
- the present invention has an excellent deodorizing ability not only for acidic odors and basic odors, but also particularly for neutral to weakly acidic odors typified by phenols and sulfids. It provides deodorizing particles that are highly effective in deodorizing complex odors from urine, feces, and tobacco of animals and animals (dogs and cats).
- porous polymer particles obtained by copolymerizing a monomer component containing a crosslinkable vinyl monomer and a vinyl monomer having a heteroaromatic ring.
- deodorizing particles By physical adsorption, it was found to be excellent deodorant particles having a broad and deodorant spectrum.
- deodorizing particles with higher effectiveness can be obtained by chemisorbing sulfides, ammonia, amines and fatty acids by coordinating and supporting a metal salt on the heteroaromatic ring in the polymer. .
- the deodorant particles of the present invention can be obtained by copolymerizing a monomer component containing a crosslinkable butyl monomer and a vinyl monomer having a heteroaromatic ring.
- the cross-linkable bull monomer used in the present invention is a monomer having two or more vinyl groups. Examples thereof include dibutene benzene, tributene benzene, ethylene glycol di (meth) acrylate, and divinyl benzene is preferred.
- the larger the proportion of the crosslinkable bulle monomer in the monomer component the larger the BET specific surface area.
- the proportion of the crosslinkable butyl monomer in all monomer components is preferably 5% by mass or more, more preferably 20% by mass or more, and further preferably 50% by mass or more.
- the upper limit is preferably 98% by mass or less, more preferably 90% by mass or less.
- the bull monomer having a heteroaromatic ring used in the present invention may be any compound that contains a vinyl group and a heteroaromatic ring.
- a heteroaromatic ring refers to a ring containing a hetero atom such as an oxygen atom, a sulfur atom, or a nitrogen atom in addition to a carbon atom as a component of a ring of a cyclic organic compound. Examples of those containing nitrogen atoms include pyridine, pyrrole and quinoline. Examples thereof include those having one nitrogen atom in the ring and those having two nitrogen atoms in the ring, such as imidazole, pyrimidine, pyrazine, and pyrazole.
- Examples of those containing sulfur atoms include thiophene and thiazole.
- Examples of those containing an oxygen atom include furan. It is considered that the lone pair of electrons in the heteroatom enhances the adsorption of malodorous substances and participates in the chemical bonding of metal ions.
- pyridine, imidazole and pyrimidine are preferred, which contain nitrogen atoms.
- Examples of the bulu monomer having a heteroaromatic ring include 2- bulupyridine, 4 bulupyridine, 1 bamidazole, 2 bispyrimidine and the like, and 2 bulupyridine and 4 bulupyridine are preferable.
- the proportion of vinyl monomers having a heteroaromatic ring in all monomer components should be sufficiently large. 1% by mass or more is preferred 2% by mass or more is more preferred 4% by mass or more is more preferred.
- the proportion of the vinyl monomer having a heteroaromatic ring in all monomer components is preferably 50% by mass or less. 30 mass% or less is preferable.
- the monomer component in addition to the crosslinkable vinyl monomer and the bull monomer having a heteroaromatic ring, other monomers copolymerizable therewith can be used as the monomer component.
- the other monomer include aromatic butyl monomers, unsaturated acid esters, and unsaturated acids.
- aromatic vinyl monomers include styrene, a methyl styrene, butyltoluene, ethylbenzene, butylbenzyl chloride, etc.
- unsaturated acid esters include methyl (meth) acrylate and (meth) acrylic.
- examples thereof include glycidyl, and examples of the unsaturated acid include (meth) acrylic acid.
- acrylo-tolyl, meta-tallow-tolyl and the like can also be used. Of these, aromatic beyl monomers are preferred, and styrene is particularly preferred.
- (meth) acrylate refers to acrylate or methacrylate
- (meth) acrylic acid refers to acrylic acid or methacrylic acid
- the BET specific surface area of the deodorant particles of the present invention is determined by the ratio of the crosslinkable bull monomer and polymerization. Although it can be set arbitrarily depending on the selection of the organic solvent to be used, the larger the value, the higher the deodorizing effect. From the viewpoint of having a high physical consumption Nioino is at 10 m 2 / g or more, more preferably 50 m 2 / g or more is good Mashigu 200 meters 2 / g or more and more preferably instrument 300m 2 / g.
- the upper limit of the BET ratio table area is not particularly limited, but is preferably 800 m 2 / g or less.
- the BET specific surface area is a value determined by the BET single point method shown in the following examples.
- the particle size of the deodorant particles is not particularly defined, and an appropriate one can be selected according to the deodorant product to be used.
- the particle size is about 0.1 to 5 mm, it can be suitably used as a deodorant having a high deodorizing performance by, for example, filling a container with good air permeability.
- Powder having a particle size of 0.1 to about LOO / zm may be used.
- 0.1-: LO / z m powder is preferable because it can be easily blended with other materials, for example, kneaded with resin or dispersed in a liquid.
- the deodorant particles of the present invention are preferably produced by an oil-in-water suspension polymerization method or a precipitation polymerization method.
- a monomer component including a crosslinkable vinyl monomer and a bulle monomer having a heteroaromatic ring, an organic solvent, a surfactant, water and, if necessary, a polymerization initiator are mixed.
- An oil-in-water emulsion is prepared.
- polymer particles are formed by organic solvent phase separation.
- Porous deodorant particles can be obtained by filtering, removing water and surfactant, and further drying to remove the organic solvent.
- a monomer component containing a crosslinkable butyl monomer and a vinyl monomer having a heteroaromatic ring, an organic solvent, and, if necessary, a polymerization initiator are mixed, and this mixture is heated and polymerized.
- Examples of the organic solvent used in the oil-in-water suspension polymerization method include at least one selected from aromatic compounds, aliphatic hydrocarbons and alcohols. Specifically, for example, benzene, toluene, xylene, ethynolebenzene, o-dichlorobenzene, hexane, heptane, octane, isooctane, decane, cyclohexane, n-butanol, t-butanol, 1-hexanol And heptane, octane, and toluene are preferable.
- the proportion of the agent used is preferably 5% by mass or more, more preferably 25% by mass or more based on the total monomer mass used. Further, from the viewpoint of obtaining a good polymerization rate, it is preferably 300% by mass or less, more preferably 150% by mass or less, based on the total monomer mass used.
- the organic solvent used in the precipitation polymerization method is water-soluble such as methanol, ethanol, 1 propanol, isopropanol, methyl isobutyl carbinol, in addition to the organic solvent that can be used in the oil-in-water suspension polymerization method.
- High alcohols can be used alone or mixed with other organic solvents so that the absolute value of the solubility parameter difference with the monomer component is 0 to 2.0.
- the proportion of the organic solvent used is preferably 100% by mass or more based on the total monomer mass used from the viewpoint of preventing the gelation of the particles from being reduced and preventing the gelation of the solution and stirring uniformly. More than mass% is more preferable. Further, from the viewpoint of obtaining a good polymerization rate, 1000% by mass or less is preferable with respect to the total monomer mass used, and 500% by mass or less is more preferable.
- the solubility parameter ⁇ of the monomer component and the organic solvent is small.
- the solubility parameter here is calculated by the method of Fedors [RFFedors, Polym. Eng. Sci., 14, 147 (1974)], and the unit is expressed in (cal / cm 3 ) 1/2. is there.
- the solubility parameter is one of the indexes representing the affinity between the monomer component and the organic solvent, and the closer this value is, the higher the compatibility between the two is.
- the solubility parameter ⁇ mix of the monomer mixture is obtained from the solubility parameter ⁇ i of each monomer and the volume fraction ⁇ of each monomer by the following equation.
- ⁇ mix ⁇ ⁇ i i, cal / cm
- the absolute value of the difference in solubility parameter between the monomer mixture and the organic solvent is 0 to 2.0.
- the absolute value of the difference in solubility parameter is more preferably 1.6 or less.
- the absolute value of the difference in solubility parameter is preferably 0.5 or more, more preferably 1.0 or more.
- a stable oil-in-water emulsion is obtained when a monomer component containing a crosslinkable butyl monomer and a vinyl monomer having a heteroaromatic ring is mixed with water.
- doonyl surfactants such as dodecyl sulfate, dodecyl benzene sulfonate, N-stearyl taurate, sulfate salt of polyoxyethylene-phenol ether, polyoxy
- non-ionic surfactants such as ethylene nonyl phenyl ether, polyoxyethylene dodecyl phenyl ether, sorbitan monostearate, polyoxyethylene sorbitan monostearate, and polybutyl alcohol N-stearyl taurine Sodium acid or polybulal alcohol is preferred
- the amount of the surfactant to be used is not particularly limited as long as the oil-in-water emulsified state is stable, but the concentration is preferably 0.01 to 3% by mass with respect to water. More preferably, it is mass%.
- the polymerization initiator is one that initiates addition polymerization of a monomer by radical decomposition with heat, and oil-soluble peroxodisulfate, peroxide, azobis compound and the like are generally used.
- the deodorant particles of the present invention preferably further contain metal ions on the surface of their pores due to the coordinate bond with the heteroaromatic ring present in the polymer surface layer of the deodorant particles of the present invention. It is possible to carry metal ions. In this case, malodorous gases such as ammonia, amines, sulfides and fatty acids are adsorbed by coordination bonds with metal ions. In other words, deodorized particles carrying metal ions are particles that have a remarkably high deodorizing ability that combines a physical deodorizing ability with a large BET specific surface area and a chemical deodorizing ability with the carried metal ions.
- metal ions examples include silver ions, zinc ions, aluminum ions, cobalt ions, zinc ions, cerium ions, iron ions, copper ions, nickel ions, platinum ions, and the like. preferable.
- the deodorized particles carrying metal ions are brought into contact with the slurry after the completion of the polymerization, or the dried particles from which the organic solvent has been removed, and the solvent in which the metal salt is dissolved. It can be produced by mixing while heating to ° C.
- the supported amount of metal ions is preferably 0.01% by mass or more, more preferably 0.1% by mass or more, based on the polymer particles. There is no particular upper limit, but it is preferably 10% by mass or less, more preferably 5% by mass or less.
- the metal salt used for supporting the metal ions on the deodorant particles is not particularly limited as long as it dissolves in water or an organic solvent.
- the solvent for dissolving the metal salt is not particularly limited as long as the metal salt to be used dissolves and the deodorant particles are uniformly dispersed.
- the metal salt to be used dissolves and the deodorant particles are uniformly dispersed.
- water, jetyl ether, acetone, methanol examples include ethanol, 1-propanol, isopropanol and glycerol, etc. These may be used alone or in combination of two or more.
- the deodorant particles of the present invention can be applied to a wide range of applications as a deodorant for products for the purpose of deodorizing various malodors generated in daily life and for industrial deodorization products. I can do it.
- Examples of products aimed at deodorizing various bad odors that occur in daily life include diapers, incontinence products, sanitary products, vaginal supplies, deodorant sprays (aerosol type, trigger type, pump spray type) ), Stationary deodorant (gel, solution, sheet, etc.), sheet cleaner (wet type, dry type), human body deodorant (aerosol type, stick type, roll-on type, pump spray type, etc.), Examples include pet sprays (aerosol type, trigger type, etc.), pet excrement members (sheets, granules, etc.), laundry detergents, softeners, finishing agents, hair sprays, etc.
- industrial deodorant products include deodorant sprays for improving the environment inside and outside the factory, deodorizers, filters for air conditioners, textiles, Examples include wallpaper, carpets, clothing (for shirts, socks, etc.), water purifiers, etc.
- a deodorized fiber product including the deodorant particles is also provided.
- the deodorant fiber product of the present invention is formed by attaching deodorant particles to a fiber material.
- preferred fiber materials include cellulosic fibers such as pulp and rayon.
- a small amount of heat-fusible fibers made of thermoplastic resin can be used in combination.
- the deodorant fiber product of the present invention can take various forms depending on the production method. For example, it may take a form such as a sheet form or a fragmented form thereof, a granular form or a three-dimensional molded article form. These forms can be obtained by producing the deodorant fiber product of the present invention by, for example, a wet papermaking method.
- the deodorant fiber product of the present invention is in the form of a sheet, the sheet may be in the form of a single layer sheet containing deodorant particles or in the form of a laminated sheet in which a plurality of sheets are laminated.
- the sheet is preferably produced by a wet papermaking method using a slurry containing a fiber material and deodorant particles as a raw material.
- a sheet in which deodorizing particles are supported on a non-woven fabric such as thermoplastic fiber may be used.
- the deodorized fiber product 1 shown in Fig. 1 is composed of two pulp sheets 2 of the same size, i.e., between the first pulp sheet 2 and the second pulp sheet 3.
- 3 is a laminated sheet in which a rectangular inner layer sheet 4 having a length in the width direction shorter than 3 is interposed.
- the inner layer sheet 4 is the same as the sheet of fiber material to which the deodorant particles are attached, that is, the single layer sheet described above.
- the inner layer sheet 4 is sandwiched between the two pulp sheets 2 and 3 at the center in the width direction.
- the inner layer sheet 4 and the pulp sheets 2 and 3 are laminated by papermaking.
- the side layers la and lb of the deodorized fiber product 1 are not provided with the inner layer sheet 4 over the entire length direction, and the side portions la and lb include two pulp sheets 2 , 3 has a two-layer structure.
- the width of the side la and lb prevents the deodorant particles from falling off and From the point of sufficient expression, it is preferably 0.1 to 20 cm, more preferably 1 to 6 cm.
- the fiber material sheet to which the deodorant particles are attached (that is, the single-layer sheet and the inner layer sheet 4) is formed by a wet papermaking method using a slurry containing the fiber material and the deodorant particles as a raw material.
- a flocculant may be added to the slurry.
- the aggregating agent for example, polyacrylamide is preferably used.
- the amount of the deodorizing particles in the slurry is preferably 0.1 to 50 parts by mass, particularly 0.5 to 30 parts by mass with respect to 100 parts by mass of the fiber material.
- the concentration of the fiber material in the slurry is preferably 0.5 to 5.0% by mass, particularly 1.0 to 3.0% by mass.
- the content of the deodorizing particles in the sheet obtained by the wet papermaking method is preferably 0.1% by mass or more, more preferably 0.5 mass. % Or more, and more preferably 2% by mass or more.
- the basis weight of the sheet is preferably 10 to 100 gZm 2 , more preferably 10 to 50 gZm 2 .
- the deodorized fiber product of the present invention is in the form of a sheet, it can be used by chopping it into small pieces.
- the deodorized fiber product of the present invention can take a granular or three-dimensional molded form in addition to the sheet form.
- the deodorant fiber product When the deodorant fiber product is in a granular form, it can be obtained by extruding a high-concentration slurry of fiber material containing deodorant particles in a strand form from an extruder and cutting it into a predetermined size.
- the deodorant fiber product When the deodorant fiber product is in the form of a three-dimensional molded product, it can be formed into various container shapes such as a bottle shape, a cup shape, and a tray shape.
- a pulp mold method Details of the pulp mold method are described in, for example, the pamphlet of International Publication No. 99Z42661 relating to the earlier application of the applicant.
- the deodorant fiber product of the present invention is effective for antibacterial purposes in various situations (deodorization of urine odor, fecal odor, orientation mono odor, menstrual odor, and other rot odor).
- the deodorant fiber product of the present invention is in the form of a sheet or a broken piece thereof, for example, wallpaper, sheets, indentation sheets, bag sheets, shoebox sheets, mats, shoe insoles, masks, filters, etc. Of wrapping food Useful as an insole sheet.
- a sheet disposable underwear or clothing can be formed. It is also useful as a toilet cleaning sheet made of a nonwoven fabric impregnated with cleaning liquid and deodorant particles, and a filter sheet for a deodorizing filter.
- the deodorizing fiber product of the present invention when the deodorizing fiber product of the present invention is in the form of beads or pellets, it is useful as a deodorant for pets such as cat sand.
- the deodorant fiber product of the present invention is in the form of a three-dimensional molded product, it is useful as an antibacterial deodorization storage case or the like by molding it into a box shape, for example.
- the deodorized fiber product is not limited to the above-mentioned wet papermaking method, but can be produced by spraying and drying a solution containing deodorized particles to a fiber product formed by a dry method, or by a dry method.
- the deodorant particles may be mixed and held in the process of manufacturing the fiber product, or the fibers containing the heat-adhesive fibers and the deodorant particles may be mixed and manufactured by the compression extrusion method.
- an absorbent article provided with the deodorant particles is also provided.
- those containing metal ions are used as the deodorant particles.
- the absorbent article of the present invention is mainly used for absorbing and holding excretory body fluids such as urine and menstrual blood.
- Absorbent articles of the present invention include, for example, disposable diapers, incontinence pads, sanitary napkins, but are not limited to these, and broadly include articles used for absorption of fluid discharged by human strength. To do.
- the absorbent article of the present invention typically includes a top sheet, a back sheet, and a liquid-retaining absorbent body interposed between both sheets.
- a top sheet and the back sheet materials usually used in the technical field can be used without particular limitation.
- the surface sheet liquid permeable sheets such as various non-woven fabrics subjected to hydrophilization treatment and apertured films can be used.
- a liquid-impermeable or water-repellent sheet such as a thermoplastic resin film or a laminate of the film and a nonwoven fabric can be used.
- the back sheet may have water vapor permeability.
- the absorbent article may further include various members according to the specific application. Such members are known to those skilled in the art. For example, when the absorbent article is applied to a disposable diaper or a sanitary napkin, a pair of three-dimensional guards can be arranged on the left and right sides of the absorbent article.
- the configuration of the absorbent article comprising deodorant particles is not particularly limited, but the top sheet, the back surface
- deodorant particles are carried in the constituent fibers of the absorbent body in the form of particles.
- Configuration, (b) A particle-adhered sheet formed by adhering deodorant particles to a fiber material is disposed between the surface sheet and the absorber, or between the absorber or the absorber and the back sheet. The composition which is.
- the deodorant particles in (a) are supported on the constituent fibers of the absorber in the form of particles.
- the deodorant particles are deodorized in an aggregate of constituent fibers such as short fiber or long fiber webs. It is obtained by spreading the particles and covering them with a mount.
- a superabsorbent polymer can be further supported on the constituent fibers. In that case, it is convenient to mix the deodorant particles and the superabsorbent polymer in advance before spraying, and spray the mixture onto the aggregate of the constituent fibers.
- the deodorant particles may be attached in advance to the superabsorbent polymer, and the attached matter may be dispersed on the aggregate of the constituent fibers.
- the amount of deodorant particles to be blended in the absorbent article is not particularly limited. For example, in the case of an absorbent article that absorbs 100 ml of urine, 40 mg or more per article is preferable.
- the fiber material in the particle-adhered sheet of (b) is preferably one capable of wet papermaking.
- Preferred fiber materials include cellulosic fibers such as pulp and rayon.
- a small amount of heat-fusible fibers made of thermoplastic resin is used.
- the particle-adhered sheet of (b) may be in the form of a single-layer sheet containing deodorant particles or in the form of a laminated sheet in which a plurality of sheets containing deodorant particles are laminated.
- the particle-adhered sheet is in the form of a single-layer sheet, the sheet is produced, for example, by a wet papermaking method using a slurry containing fiber material and deodorant particles as a raw material.
- the particle-adhered sheet is in the form of a laminated sheet
- an example of the sheet is the deodorized fiber product 1 having the form shown in Fig. 1 described above.
- the particle-attached sheet is, for example, between a liquid-permeable top sheet and a liquid-retaining absorber, or between the absorber or the absorber and a liquid-impermeable or water-repellent back sheet. Can be installed.
- FIG. 2 shows a state where the absorbent body is coated with the multi-layer deodorant fiber product 1 shown in FIG.
- the particle adhesion sheet may be a single layer.
- Absorbent 10 is made of pulp fiber and super absorbent It is composed of particles of an astringent polymer.
- the absorber 10 is covered with the particle adhesion sheet 1 such that the one side portion la and the other side portion lb of the particle adhesion sheet 1 are overlapped.
- the absorbent body 10 is sandwiched between a top sheet (not shown) and a back sheet (not shown). Therefore, in this embodiment, the deodorized fiber product 1 is disposed between the surface sheet and the absorbent body 10 and between the back sheet and the absorbent body 10 in the absorbent article.
- the deodorized fiber product 1 can be disposed in the absorbent body. Specifically, as shown in FIG. 3, in the absorbent body 10 composed of the assembly 13 of the constituent fibers and the mount 14 that wraps it, the deodorized fiber product 1 encloses the assembly 13 of the constituent fibers and Arranged in a form enclosed in mount 14. The absorber 10 is sandwiched between the top sheet 11 and the back sheet 12.
- Monomer (styrene Z dibutene benzene Z2-bilviridine 12.5 / 75 / 12.5) lOOg and 3 g of lauroyl peroxide were added to 225 g of octane and 75 g of toluene and added to the polymerization tank.
- the solubility parameters of the monomer mixture and the organic solvent were 9.3 2 and 7.92, respectively, and the difference was 1.40. 85. 4 hours at C, 95. After polymerization by heating with C for 3 hours, deodorized particles were obtained with a yield of 80%.
- the deodorized particles lOOg obtained in Example 3 were added to 1000 g of ethanol in which 0.5 g of silver nitrate was dissolved, and stirred for 6 hours at room temperature for carrying treatment. After filtering and washing with water, it was dried to obtain silver nitrate-supporting deodorant particles.
- Deodorant particles were obtained in the same manner as in Example 6 except that the deodorant particles obtained in Example 4 were used instead of the deodorant particles obtained in Example 3.
- the deodorized particles lOOg obtained in Example 4 were mixed with ethanol lOOOg containing 10 g of silver nitrate.
- the support treatment was performed by stirring at room temperature for 6 hours. After filtering and washing with water, it was dried to obtain deodorized particles carrying silver nitrate.
- the mixture was emulsified by stirring at lOOOOrpm for 5 minutes, polymerized by heating at 70 ° C for 8 hours under a stirring condition of 128rpm, and then dried to remove water and organic solvent. 263 g of water, 23 g of isopropanol, and 0.5 g of silver acetate are used for lOOg of the particles thus obtained. Ammonium sulfate 1. Og was added, and the mixture was stirred at room temperature for 1 hour for carrying treatment. This was filtered and dried to obtain deodorized particles.
- the mixture was emulsified by stirring at 5000 rpm for 10 minutes using a homogenizer, and polymerized by heating at 60 ° C for 6 hours under stirring conditions of 128 rpm. To this was added 750 g of 1-butanol, followed by drying under reduced pressure to remove water and organic solvent. To 100 g of the particles thus obtained, 263 g of water, 23 g of isopropanol, 0.5 g of silver acetate and 1. Og of citrate were added and stirred for 1 hour at room temperature for carrying treatment. This was filtered and dried to obtain deodorized particles.
- the mixture was emulsified by stirring at lOOOOrpm for 5 minutes, and polymerized by heating at 85 ° C for 4 hours and at 95 ° C for 3 hours under stirring conditions of 200rpm, and water and organic solvent were mixed. The particles were removed by filtration and dried to obtain particles with a yield of 90%.
- Non-crosslinked polystyrene particles manufactured by Toyo Styrene, general-purpose grade GP-1B were used.
- BET specific surface area The BET specific surface area of the deodorant particles was determined by the BET one-point method using Flow Soap 2300 (manufactured by Shimadzu Corporation). The adsorption gas used was 30% by volume of nitrogen and 70% by volume of helium. As pretreatment of the sample, the adsorbed gas was circulated at 120 ° C for 10 minutes. Thereafter, the cell containing the sample was cooled with liquid nitrogen, heated to room temperature after completion of adsorption, and the surface area of the sample was determined from the amount of desorbed nitrogen. The specific surface area was determined by dividing by the weight of the sample.
- Silver ion content The silver ion content in the deodorant particles supporting silver nitrate or silver acetate was measured using monochromatic excitation EDX fluorescence X-rays.
- Average particle size The volume average particle size was measured with a Coulter Counter (manufactured by Coulter Corporation) in a state where the deodorized particles were crushed with a coffee mill and dispersed in hexane.
- St styrene
- DVB dibutenebenzene
- 2-VPy 2 butylpyridine
- Deodorization rate (%) ⁇ (Blank concentration Residual p-Talesol concentration) Z Blank concentration ⁇ X 100 [0082] [Table 2]
- Ion-exchanged water 488.9g, urea 9.7g, sodium chloride 3.98g, magnesium sulfate 0.55g, calcium chloride 0.31g, potassium sulfate 0.99g, Emulgen 935 (manufactured by Kao Corporation)
- An aqueous solution containing 0.02 g of a nonionic surfactant) was prepared.
- a mixed solution was prepared by diluting the malodorous components phenol, dimethyldisulfide and pyrrole to 20 ppm each. To 3 mL of this mixture, 30 mg of deodorant particles were added and stirred for 3 minutes, followed by centrifugation.
- Deodorization rate (%) ⁇ (Blank concentration Residual malodor component concentration) Z Blank concentration ⁇ X 100
- the sensory evaluation was performed in increments of 0.5, assuming that 0 was not felt at all and 5 was felt very strongly.
- the sensory evaluation was performed by three well-trained persons, and the score was averaged from the values of the three persons, and the value closest to the numerical value in increments of 0.5 from 0 to 5 (for example, 2.66 is 2 .5, 3.13 is 3.0).
- the case where no deodorant particles were added was used as a blank, and the intensity of the urine odor of the blank was 3.0.
- Sensory evaluation was performed by three well-trained persons, and the scorer averaged the values of the three persons and adopted the value closest to the numerical value in 0.5 increments from 0 to 5 (for example, 2. 66 Is 2.5, 3.13 is 3.0). The case where no deodorant particles were added was blank, and the intensity of blank stool was 3.0.
- Burn cigarette (mild seven original lcm portion) in 1L Separa flask for 30 minutes Leave still. Add 2 mL of odor collected from the Separa flask into a 50 mL glass bottle containing 0. lg of deodorant particles and seal tightly. After standing for 15 minutes, the intensity of tobacco odor was evaluated. Regarding the intensity, the sensory evaluation was performed in increments of 0.5, with 0 indicating no odor and 5 indicating very strong odor. Sensory evaluation was performed by three well-trained persons, and the average value of the three persons was averaged, and the value closest to the numerical value in increments of 0.5 from 0 to 5 was adopted. The case where no deodorant particles were added was used as a blank, and the intensity of tobacco odor in the blank was 3.0.
- Deodorant particles obtained in Example 3 softwood kraft pulp, wet paper strength agent (WS4024: manufactured by Hoshi PMC Co.), polyacrylamide polymer flocculant (Acoflock A95: manufactured by Mitsui Aqua Polymer Co., Ltd.) are added and mixed. A slurry was obtained. The pulp used was a CSF adjusted to 200 ml by beating. The pulp concentration in the slurry is 2%, the concentration of deodorant particles is 10% with respect to the pulp, the concentration of wet paper strength agent is 0.5% with respect to the norp, and the concentration of polymer coagulant is with respect to the pulp. It was 0.1%.
- a 25 cm ⁇ 25 cm sheet was produced by hand-drawing, and this sheet was cut into 20 cm ⁇ 20 cm to obtain a particle-attached sheet. Its basis weight was 30 g / m 2 . The amount of deodorant particles in the particle-adhered sheet was 50 mg.
- Example 6 Deodorant particles obtained in Example 6, softwood kraft pulp, wet paper strength agent (WS4024: made by Hoshimitsu PMC), polyacrylamide polymer flocculant (Acoflock A95: made by Mitsui Aqua Polymer Co.) were added and mixed. A slurry was obtained. The pulp used was a CSF adjusted to 200 ml by beating. The pulp concentration in the slurry is 2%, the concentration of deodorant particles is 10% with respect to the pulp, the concentration of wet paper strength agent is 0.5% with respect to the norp, and the concentration of polymer coagulant is with respect to the pulp. It was 0.1%.
- a 25 cm ⁇ 25 cm sheet was produced by hand-drawing, and this sheet was cut into 20 cm ⁇ 20 cm to obtain a particle-attached sheet. Its basis weight was 30 g / m 2 . The amount of deodorant particles in the particle-adhered sheet was 50 mg.
- the deodorized particles lOOg obtained in Example 10 were added to 100 g of ethanol in which 0.5 g of silver nitrate was dissolved, and a supporting treatment was performed at room temperature for 6 hours. This was filtered and then washed with water to obtain silver nitrate supported deodorant particles.
- the obtained deodorant particles had a BET specific surface area of 18.3 mVg and a silver ion content of 0.14%.
- a particle-attached sheet was obtained in the same manner as in Example 13 except that the silver nitrate-supporting deodorant particles were used. Its basis weight was 30 g / m 2 .
- the amount of deodorant particles in the particle-adhered sheet was 50 mg.
- Example 13 a particle-adhered sheet was produced in the same manner as in Example 13 except that the particles obtained in Comparative Example 1 were used in place of the deodorant particles used in the previous example.
- Example 13 a particle-adhered sheet was prepared in the same manner as in Example 13 except that the particles used in Comparative Example 2 were used instead of the deodorant particles used above.
- a model absorbent article having the structure shown in FIG. 3 was produced. Specifically, 2 g of the pulp fiber aggregate 13 was used as a constituent fiber of the absorbent body 10, and 20 mg of deodorant particles and 2 g of the superabsorbent polymer were dispersed and supported on the aggregate 13. This was wrapped with mount 14 (basis weight 15 gZm 2 ) to form the absorbent body 10. Then, the absorbent body 10 was wrapped so as to be sandwiched between the top sheet 11 (air-through nonwoven fabric: 25 gZm 2 ) and the back sheet 12 (moisture permeable film: 40 gZm 2 ). In this way, a model absorbent article was produced.
- the content of deodorant particles in absorber 10 was 40 mg. Otherwise, it is the same as Example 16-1.
- the content of deodorant particles in the absorber 10 was 78 mg. Otherwise, it is the same as Example 16-1.
- the deodorized particles lOOg obtained in Example 4 were added to 1000 g of ethanol in which 0.5 g of silver nitrate was dissolved, and stirred at room temperature for 6 hours for carrying treatment. This was filtered and then washed with water to obtain silver nitrate-carrying deodorant particles.
- the obtained deodorant particles had a BET specific surface area of 486 m 2 / g and a silver ion content of 0.28%.
- a model absorbent article was produced in the same manner as in Example 16-1, except that the method for producing deodorant particles was different.
- Example 17-3 The amount of deodorant particles in the absorber was 40 mg. Otherwise, this is the same as Example 17-1. [0110] Example 17-3
- the amount of deodorant particles in the absorber was 78 mg. Otherwise, this is the same as Example 17-1.
- Comparative Examples 6-1 to 6-3 the same amount of salty zinc-activated carbon activated carbon was used instead of the deodorant particles in Examples 16-1 to 16-3, respectively. Otherwise, a model absorbent article was produced in the same manner as in Example 11-1.
- Comparative Example 1 The particles obtained in Comparative Example 1 were used as deodorant particles. Other than this, a model absorbent article was produced in the same manner as in Example 16-3.
- Comparative Example 8 the particles obtained in Comparative Example 2 were used instead of the deodorant particles used in Example 16-3. Otherwise, a model absorbent article was produced in the same manner as in Example 16-3.
- a model absorbent article was produced in the same manner as in Example 16-1, except that the deodorant particles were not used in Example 11-1.
- Example 16-1 Using the same deodorizing particles as the deodorizing particles in Example 16-1, wet papermaking shown below A particle-attached sheet was prepared by the method. Deodorant particles, softwood kraft pulp, wet paper strength agent (
- WS4024 Seiko PMC Co.
- polyacrylamide polymer flocculant (Acoflock A95: Mitsui Aqua Polymer Co., Ltd.) were added and mixed to obtain a slurry.
- the pulp used was a CSF adjusted to 200 ml by beating.
- the pulp concentration in the slurry is 2%
- the deodorant particle concentration is 3% with respect to the pulp
- the wet paper strength agent concentration is 0.5% with respect to the pulp
- the polymer flocculant concentration is 0% with respect to the norp. It was 1%.
- a 25 cm ⁇ 25 cm particle-attached sheet was obtained by a handsheet paper machine. Its basis weight was 30gZ m 2. This sheet was cut into 20 cm ⁇ 20 cm to obtain a particle-adhered sheet.
- Particle adhesion The amount of deodorant particles in the sheet was 20 mg.
- a model absorbent article having the structure shown in Fig. 5 was produced. Specifically, 2 g of the pulp fiber aggregate 13 was used as the constituent fiber of the absorbent body 10, and 2 g of the superabsorbent polymer was dispersed and supported on the aggregate 13. This was wrapped with a particle adhesion sheet 1 and further wrapped with a backing sheet 14 to form an absorbent body 10. Then, the absorbent body 10 was wrapped so as to be sandwiched between the top sheet 11 and the back sheet 12. In this way, a model absorbent product was produced. The points not specifically described are the same as those in Example 16-1.
- Example 18-1 is the same as Example 18-1, except that the concentration of the deodorizing particles was 6% with respect to the pulp and the amount of the deodorizing particles in the particle-adhered sheet 1 was 36 mg.
- Example 16-1 is the same as Example 16-1, except that the concentration of the deodorizing particles was 10% with respect to the pulp, and the amount of the deodorizing particles in the particle-adhered sheet 1 was 60 mg.
- Examples 16-1 to 16-3 and Examples 18-1 to 18-3 were evaluated by the above-mentioned [Method for evaluating deodorizing ability]. The evaluation results are shown in Table 8 and Table 9 below.
- Example 1 8-3 1.2 [0125] As is apparent from the results shown in Table 8 and Table 9, the deodorant particles were supported on the constituent fibers of the absorber in the form of particles (Examples 16-1 to 16-3), and It can be seen that the same deodorizing ability can be obtained with the form (Examples 18-1 to 18-3) in which the odor particles are included in the particle adhesion sheet.
- a model absorbent article was prepared in the same manner as in Example 16-1, except that the silver nitrate-supported deodorant particles obtained in Example 15 were used and the amount of the silver nitrate-supported deodorant particles was 50 mg. Evaluation method of odor ability]. The evaluation results are shown in Table 10 below.
- the deodorizing particles of the present invention exhibit high deodorizing ability regardless of the properties of malodorous gas, and particularly exhibit excellent deodorizing ability for weakly acidic to neutral odors. Furthermore, by supporting metal ions on the heteroaromatic rings in the polymer particles, the deodorizing ability is dramatically improved, and the urine and feces of humans and animals (dogs and cats) that have a complex odor of many malodorous components. It exhibits a very high deodorizing ability against the smell of tobacco, drainage and conditioning, especially against the urine and stool of humans and animals (dogs and cats) and the smell of tobacco.
- the deodorized fiber product and absorbent article of the present invention have an excellent deodorizing effect by including deodorant particles exhibiting a high deodorizing ability regardless of the properties of malodorous gas.
- the absorbent article of the present invention can effectively deodorize malodor caused by excrement.
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Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07767740A EP2042526A4 (en) | 2006-07-14 | 2007-06-27 | DEODORIZING PARTICLE |
| KR1020087027222A KR101353908B1 (ko) | 2006-07-14 | 2007-06-27 | 소취 입자 |
| US12/227,307 US8298520B2 (en) | 2006-07-14 | 2007-06-27 | Deodorant particle |
| CN2007800198326A CN101454361B (zh) | 2006-07-14 | 2007-06-27 | 除臭粒子 |
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006193643 | 2006-07-14 | ||
| JP2006-193643 | 2006-07-14 | ||
| JP2006218774 | 2006-08-10 | ||
| JP2006-218774 | 2006-08-10 | ||
| JP2006218775 | 2006-08-10 | ||
| JP2006-218775 | 2006-08-10 | ||
| JP2006273682 | 2006-10-05 | ||
| JP2006-273682 | 2006-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008007557A1 true WO2008007557A1 (en) | 2008-01-17 |
Family
ID=38923119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2007/062942 Ceased WO2008007557A1 (en) | 2006-07-14 | 2007-06-27 | Deodorant particle |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8298520B2 (ja) |
| EP (1) | EP2042526A4 (ja) |
| KR (1) | KR101353908B1 (ja) |
| CN (1) | CN101454361B (ja) |
| MY (1) | MY162114A (ja) |
| TW (1) | TWI412382B (ja) |
| WO (1) | WO2008007557A1 (ja) |
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| US10709612B2 (en) | 2014-10-31 | 2020-07-14 | Kimberly-Clark Worldwide, Inc. | Odor control article |
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| DE102009029194A1 (de) | 2009-09-04 | 2011-04-07 | Kimberly-Clark Worldwide, Inc., Neenah | Abtrennung gefärbter Stoffe aus wasserhaltigen Flüssigkeiten |
| CN102266124A (zh) * | 2011-08-22 | 2011-12-07 | 闭杨杨 | 一种净烟片及其制备方法 |
| US9220646B2 (en) | 2012-03-30 | 2015-12-29 | Kimberly-Clark Worldwide, Inc. | Absorbent articles with improved stain decolorization |
| US20140087615A1 (en) * | 2012-09-21 | 2014-03-27 | Robinson Outdoor Products | Composite fabric with adsorbent polymer material |
| US8968647B2 (en) * | 2013-01-04 | 2015-03-03 | Julius Sämann Ltd. | Fragrance delivery system |
| US9393164B2 (en) | 2013-02-28 | 2016-07-19 | Kimberly-Clark Worldwide, Inc. | Aldehyde control in personal care products |
| US9237975B2 (en) | 2013-09-27 | 2016-01-19 | Kimberly-Clark Worldwide, Inc. | Absorbent article with side barriers and decolorizing agents |
| ITMI20131706A1 (it) * | 2013-10-15 | 2015-04-16 | Michele Grilli | Assorbente intimo con striscia anionica ottimizzata. |
| US9878063B2 (en) * | 2014-06-20 | 2018-01-30 | Toagosei Co., Ltd. | Deodorizing mask |
| US11825837B2 (en) | 2019-06-04 | 2023-11-28 | S. C. Johnson & Son, Inc. | Dispenser and method of use thereof |
| CN115088627B (zh) * | 2022-06-20 | 2023-07-18 | 无锡绿建科技有限公司 | 一种回收卫生材料强结团猫砂及其制备方法 |
| CN116999598B (zh) * | 2023-09-11 | 2024-04-05 | 上海南椿新材料科技有限公司 | 一种无机除臭剂及其制备工艺 |
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| JPS62286905A (ja) * | 1984-02-13 | 1987-12-12 | アメテツク インコ−ポレイテツド | 混合形ハロゲン化及び/又はハロゲン中間化合物分子付加反応生成物 |
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| JPH03213562A (ja) * | 1990-01-12 | 1991-09-18 | Mitsubishi Rayon Co Ltd | 消臭繊維及びその製法 |
| JPH09188778A (ja) | 1995-12-29 | 1997-07-22 | Japan Exlan Co Ltd | 金属微粒子含有ポリマー粒子とその製造方法 |
| JPH11147915A (ja) | 1997-11-17 | 1999-06-02 | Mitsubishi Chemical Corp | 多孔質ビーズ及びその製造方法 |
| WO1999042661A1 (en) | 1998-02-23 | 1999-08-26 | Kao Corporation | Method of manufacturing pulp mold formed product |
| JP2001070339A (ja) | 1999-09-01 | 2001-03-21 | Kao Corp | 吸収性物品 |
| JP2005076145A (ja) * | 2003-08-29 | 2005-03-24 | Sekisui Chem Co Ltd | 消臭機能を有する織物製品及び織物製品の消臭加工方法 |
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| US4594392A (en) * | 1984-02-13 | 1986-06-10 | Ametek, Inc. - Plymouth Products Division | Synergistically stabilized mixed form halogenated and/or interhalogenated resins for disinfecting water |
| DE3804646A1 (de) | 1988-02-15 | 1989-08-24 | Henkel Kgaa | Makroporoese ionenselektive austauscherharze |
| JP2587377Y2 (ja) | 1992-02-17 | 1998-12-16 | 日本バイリーン株式会社 | 作業用ワイパー |
| JPH10323562A (ja) * | 1997-05-27 | 1998-12-08 | Chiyoda Corp | 一酸化炭素吸収体 |
| DE60143706D1 (de) * | 2000-07-18 | 2011-02-03 | Sanyo Chemical Ind Ltd | Absorbens und verfahren zu dessen herstellung, absorbierbare artikel und syntheseprodukte |
| JP4401044B2 (ja) | 2001-08-21 | 2010-01-20 | 花王株式会社 | 吸収性物品 |
| JP4842521B2 (ja) | 2004-06-04 | 2011-12-21 | 日東電工株式会社 | ビニル系重合体の多孔質球状粒子の製造方法 |
-
2007
- 2007-06-27 US US12/227,307 patent/US8298520B2/en not_active Expired - Fee Related
- 2007-06-27 EP EP07767740A patent/EP2042526A4/en not_active Withdrawn
- 2007-06-27 WO PCT/JP2007/062942 patent/WO2008007557A1/ja not_active Ceased
- 2007-06-27 KR KR1020087027222A patent/KR101353908B1/ko not_active Expired - Fee Related
- 2007-06-27 MY MYPI20084386A patent/MY162114A/en unknown
- 2007-06-27 CN CN2007800198326A patent/CN101454361B/zh not_active Expired - Fee Related
- 2007-07-05 TW TW096124520A patent/TWI412382B/zh not_active IP Right Cessation
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| JPS54128981A (en) * | 1978-03-01 | 1979-10-05 | Oronzio De Nora Impianti | Synthetic diaphragm which is porous and electrolyteepermeable |
| JPS62286905A (ja) * | 1984-02-13 | 1987-12-12 | アメテツク インコ−ポレイテツド | 混合形ハロゲン化及び/又はハロゲン中間化合物分子付加反応生成物 |
| JPH02300379A (ja) * | 1989-05-16 | 1990-12-12 | Kanebo Ltd | 消臭性アクリル系合成繊維及びその製造方法 |
| JPH03213562A (ja) * | 1990-01-12 | 1991-09-18 | Mitsubishi Rayon Co Ltd | 消臭繊維及びその製法 |
| JPH09188778A (ja) | 1995-12-29 | 1997-07-22 | Japan Exlan Co Ltd | 金属微粒子含有ポリマー粒子とその製造方法 |
| JPH11147915A (ja) | 1997-11-17 | 1999-06-02 | Mitsubishi Chemical Corp | 多孔質ビーズ及びその製造方法 |
| WO1999042661A1 (en) | 1998-02-23 | 1999-08-26 | Kao Corporation | Method of manufacturing pulp mold formed product |
| JP2001070339A (ja) | 1999-09-01 | 2001-03-21 | Kao Corp | 吸収性物品 |
| JP2005076145A (ja) * | 2003-08-29 | 2005-03-24 | Sekisui Chem Co Ltd | 消臭機能を有する織物製品及び織物製品の消臭加工方法 |
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| See also references of EP2042526A4 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10709612B2 (en) | 2014-10-31 | 2020-07-14 | Kimberly-Clark Worldwide, Inc. | Odor control article |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101353908B1 (ko) | 2014-01-22 |
| EP2042526A1 (en) | 2009-04-01 |
| US8298520B2 (en) | 2012-10-30 |
| US20090238847A1 (en) | 2009-09-24 |
| MY162114A (en) | 2017-05-31 |
| EP2042526A4 (en) | 2010-09-22 |
| CN101454361A (zh) | 2009-06-10 |
| KR20090040255A (ko) | 2009-04-23 |
| TW200812651A (en) | 2008-03-16 |
| CN101454361B (zh) | 2011-11-23 |
| TWI412382B (zh) | 2013-10-21 |
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