Classifications

• • 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
  • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
  • D06M13/46—Compounds containing quaternary nitrogen atoms
  • D06M13/463—Compounds containing quaternary nitrogen atoms derived from monoamines
• • 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
  • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
  • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
  • A61F13/51113—Topsheet, i.e. the permeable cover or layer facing the skin comprising an additive, e.g. lotion or odour control
• • 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
  • D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
  • D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
  • D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts 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
  • 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
  • D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
  • D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
  • D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof
  • D06M13/295—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof containing polyglycol moieties; containing neopentyl moieties
• • 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
  • D06M7/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made of other substances with subsequent freeing of the treated goods from the treating medium, e.g. swelling, e.g. polyolefins
• • 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
  • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
• • 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
  • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
  • D06M2200/10—Repellency against liquids
  • D06M2200/12—Hydrophobic properties
• • 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
  • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
  • D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2401/00—Physical properties
  • D10B2401/02—Moisture-responsive characteristics
  • D10B2401/021—Moisture-responsive characteristics hydrophobic
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2509/00—Medical; Hygiene
  • D10B2509/02—Bandages, dressings or absorbent pads
  • D10B2509/026—Absorbent pads; Tampons; Laundry; Towels
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
  • Y10T428/2913—Rod, strand, filament or fiber
  • Y10T428/2933—Coated or with bond, impregnation or core

Definitions

• the present invention relates to a treatment agent suitable for nonwoven fabric fibers used in textile products, particularly top sheets such as disposable diapers and synthetic napkins. More specifically, urine, body fluid, etc., once absorbed through the top sheet, flow back from the top sheet and reduce the liquid return property to adhere to the wearer. In addition, the liquid absorption property of the top sheet ⁇ permanent water permeability
• the present invention relates to a fiber water-imparting agent having improved water permeability. Conventional technology
• absorbent articles such as disposable diapers and sanitary products such as synthetic napkins are made of topsheets obtained by imparting hydrophilicity to various nonwoven fabrics mainly composed of highly water-repellent polyolefin fiber, triacetate fiber or polyester fiber.
• a material such as cotton-like pulp or a polymer absorbent is disposed between backsheets having water repellency. Liquids such as urine and body fluids pass through the topsheet and are absorbed by the absorber.At this time, in order to eliminate the stickiness of the topsheet, it must have good water permeability, that is, the liquid absorbs from inside the topsheet.
• the time required for complete absorption by the body must be extremely short, and in addition, the liquid once absorbed by the absorber must not return to the top sheet again, that is, the liquid retentivity must be reduced. become.
• the treatment agent on the topsheet flows out due to the absorption of the liquid only once or twice and the water permeability sharply decreases because the number of times of changing the diaper increases.
• the topsheet is required not only to have a water permeability that can withstand repeated liquid absorption, that is, a durable water permeability, but also to maintain a durable water permeability over a long period of time, that is, the deterioration of the durable water permeability over time. Is required.
• spun-pound nonwoven fabrics are required to have uniform adhesion or permeability to the nonwoven fabric, and antistatic properties when the sheet is wound, in order to facilitate smooth production.
• it is necessary to prevent the fiber from being charged and to form a uniform web without wrapping around the cylinder, that is, to have good card passing property.
• Japanese Patent Publication No. 63-14081 discloses a method of treating fibers with a straight-chain alkylphosphodium salt having 12 to 22 carbon atoms.
• a betaine compound having 10 to 30 carbon atoms, a sulfate salt, or a sulfonate salt is blended with an alkyl phosphate salt having 10 to 30 carbon atoms.
• a treatment agent is disclosed.
• Japanese Patent Application Laid-Open No. 2000-170076 discloses a method in which two kinds of betaine compounds are used in combination with an alkyl phosphate salt.
• Japanese Patent Application Laid-Open No. 63-49158 discloses a method using a mixture of sorbitan monooleate and polyoxyethylene sorbitan monooleate as a different evening treatment agent. Have been.
• Japanese Patent Application Laid-Open No. 3-82871 discloses a method using alkoxyloud ricinolein or a hydride thereof.
• Japanese Patent Application Laid-Open No. Hei 9-56674 discloses a method of reducing the liquid return property by devising the structure of textile products, so-called disposable diapers and sanitary products. I have.
• Japanese Patent Application Laid-Open No. 2000-12012 discloses a method of reducing the liquid return property by devising the structure of the top sheet of textile products.
• the object of the present invention is to significantly improve the water permeability, especially the durable water permeability, as compared with the conventional method, to improve the liquid return property, and to cope with the high speed card with little deterioration of the durable water permeability over time. It is an object of the present invention to provide a water-permeability-imparting agent.
• Another object of the present invention is to provide a fiber provided with water permeability by the water-permeability-imparting agent of the present invention.
• R 1 is an aliphatic hydrocarbon group having 8 to 24 carbon atoms
• R 2 is a fatty acid having 8 to 18 carbon atoms when R 1 is an aliphatic hydrocarbon group having 8 to 18 carbon atoms.
• R 3 and R 4 are each independently a hydrogen atom, an aliphatic hydrocarbon group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms
• X is a halogen ion, a nitrate ion
• R 5 is an aliphatic hydrocarbon group having 6 to 20 carbon atoms
• R 6 is an ethylene group and Z or a propylene group
• m is an integer of 0 to 15
• Y is hydrogen atom.
• n is an integer of 1-2.
• the quaternary ammonium salt (A) is combined with the phosphate salt represented by Water-permeability-imparting agent, which is contained in an amount of 20 to 80% by weight and 80 to 20% by weight, respectively, based on the total amount of the salt (B).
• the above-mentioned object and advantages of the present invention are, secondly, characterized in that the fiber comprises 0.1 to 2.0% by weight of the water-permeability-imparting agent of the present invention applied to the fiber. And a water-permeable fiber.
• the quaternary ammonium salt (A component) used in the present invention is represented by the above formula (I).
• R 1 is an aliphatic hydrocarbon group having 8 to 24 carbon atoms
• R 2 is a group having 8 to 18 carbon atoms when R 1 is an aliphatic hydrocarbon group having 8 to 18 carbon atoms.
• R 3 and R 4 are each independently a hydrogen atom, an aliphatic hydrocarbon group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms
• X is a halogen ion, nitric acid It is an ionic residue selected from the group consisting of ion, acetate ion, methyl sulfate ion, ethyl sulfate ion and dimethyl phosphate ion.
• the quaternary ammonium salts represented by the formula (I) can be used alone or in combination of two or more.
• R 1 and R 2 are each independently preferably an aliphatic hydrocarbon group having 8 to 18 carbon atoms. If the carbon number of R 1 or R 2 is 7 or less, the deterioration of durable water permeability over time will be large, and the card permeability will be deteriorated, and the hydrophilicity will be too strong to reduce the durable water permeability too much, It is not preferable because the return property tends to increase, and it is not preferable that the carbon number of any one of R 1 and R 2 is 25 or more because the initial water permeability tends to decrease.
• R 3 and R 4 are preferably an aliphatic hydrocarbon group having 1 to 3 carbon atoms. If the carbon number of any one of R 3 and R 4 is 4 or more, the initial water permeability and the durable water permeability are apt to decrease, so that it is not preferable.
• Preferred examples of the component (A) include octyldimethylammonium chloride, didecyldimethylammonium chloride, dilauryldimethylammonium chloride, distearyldimethylammonium chloride, and dicocoalkyldimethyldimethylammonium chloride.
• Chloride di-hardened tallow alkyl dimethyl ammonium chloride, behenyl trimethyl ammonium chloride, dilauryl dimethyl ammonium methosulfate, dilauryl methyl ethyl ammonium ethosulfate, and the like.
• the former is characterized in that the hydrocarbon group bonded to the N atom of the quaternary ammonium has 8 to 18 carbon atoms, and the latter is based on the ammonium N
• the hydrocarbon group bonded to the atom has 16 to 18 carbon atoms, and all have only one such carbon group, so the hydrophilicity is too strong and durable Cannot impart hydrophilicity.
• the mixing ratio of the component (A) is from 20 to 80% by weight, preferably from 25 to 75% by weight, based on the total of the components (A) and (B). If it is less than 20% by weight, the durable water permeability decreases, and the durability of the durable water permeability deteriorates with time. If it exceeds 80% by weight, it is not preferable because the card passing property is reduced and the liquid return property is increased.
• the phosphate salt (component B) used in the present invention is represented by the above formula (II).
• R 5 is an aliphatic hydrocarbon group having 6 to 20 carbon atoms
• R 6 is an ethylene group and / or a propylene group
• m is an integer of 0 to 15
• Y is hydrogen
• n is an integer of 1-2.
• R 5 is preferably an aliphatic hydrocarbon group having 8 to 18 carbon atoms.
• m is preferably an integer of 0 to 10; If m is 16 or more, the initial water permeability decreases, and the solidity of the component B tends to increase. As a result, it becomes difficult to handle the water-permeability-imparting agent.
• Preferred examples of the component B include hexyl phosphate sodium salt, octyl phosphate sodium salt, octyl phosphate potassium salt, and decyl phosphate.
• the mixing ratio of the component (B) is from 20 to 80% by weight, preferably from 25 to 75% by weight, based on the total of the components (A) and (B). If the amount is less than 20% by weight, the card permeability will be reduced. If the amount exceeds 80% by weight, the required amount of the component A cannot be added, and as a result, the durability will be reduced.
• the present invention further comprises, in addition to the components (A) and (B), a boroxyalkylene-modified silicone (component (C)) represented by the following formula (III) based on the total of the components (A) and (B).
• component (C) represented by the following formula (III) based on the total of the components (A) and (B).
• R 7 is a methylene group, an ethylene group, a propylene group, an N- (aminoethyl) methylimino group or an N- (aminopropyl) propylimino group, and Z represents 20% by weight of the polyoxyethylene portion.
• P and Q are selected so that the Si content is 20 to 70% by weight and the molecular weight is 1,000 to 100,000. Is an integer.
• Examples of the polyoxyalkylene group of Z include a polyoxyalkylene group, a polyoxypropylene group, a polyoxybutylene group, and those obtained by co-polymerizing these constituent monomers. If the polyoxyethylene group content is less than 20% by weight, it is difficult to obtain sufficient initial water permeability and durable water permeability, which is not preferable.
• the Si content is less than 20% by weight, it is difficult to obtain sufficient force permeability and the effect of improving the durability of water permeability.
• the content of Si exceeds 70% by weight, the stability of the water permeability imparting agent is poor. It is not preferable because it is bad and increases the cost.
• the molecular weight is out of the range of 1,000 to 100,000, the effect of improving the initial water permeability and the durable water permeability is difficult to obtain, which is not preferable.
• the compounding ratio in the water permeability imparting agent is preferably 5 to 20% by weight. If the compounding ratio is less than 5% by weight, the effect of improving the durability and card permeability is not sufficient, and if it exceeds 20% by weight, the durability of the water permeability improves, but the stability of the water permeability imparting agent deteriorates. It is not preferable because it is easy and costs increase.
• the water-permeability-imparting agent of the present invention is applied to synthetic fibers, natural fibers or products of the fibers.
• hydrophobic synthetic fibers such as polyolefin, polyester, triacetate, nylon, and vinyl chloride or a fiber product made of such hydrophobic fibers, fibrillated polyolefin, polyester-polyethylene having a core-sheath structure
• the present invention can be applied to heat-fusible synthetic fibers composed of composite fibers such as polyester-polypropylene, polypropylene-polyethylene, low-melting-point polypropylene-polypropylene, low-melting-point polyester-polyester and the like and fiber products thereof.
• a non-woven fabric product particularly a non-woven fabric product used for a top sheet such as a disposable diaper or a synthetic napkin is suitable.
• the water-permeability-imparting agent of the present invention can be applied by any method known per se at any place in the production process of the nonwoven fabric fiber, that is, in the spinning, drawing and crimping steps. In a nonwoven fabric manufacturing process such as mellow blowing and the like, it can be applied in a usual manner.
• the water-permeability-imparting agent of the present invention can be applied to the fiber by emulsion or straight. In the case of emulsions, dilute to 5 to 30% by weight with water, and in the case of straight lubrication, dilute to 5 to 30% by weight with low viscosity hydrocarbon compounds. It can be applied by a known method such as spraying or dipping.
• the water-permeability-imparting agent of the present invention is usually applied to the fibers in an amount of from 0.3 to 0.2% by weight, more preferably from 0.3 to 0.7% by weight.
• the amount is less than 0.1% by weight, the initial water permeability, durable water permeability, antistatic properties and lubricity are insufficient, and if the amount exceeds 2.0% by weight, the fiber is often wound when carded. As a result, the productivity is greatly reduced, and the fibrous product such as a non-woven fabric becomes unfavorable because the stickiness becomes large after permeation.
• ком ⁇ онент may be added to the water-permeability-imparting agent of the present invention as long as the object of the present invention is not impaired.
• the components that can be added include a lubricant such as a carnauba wax emulsion, a nonionic activator, an anion activator other than phosphate, an antifoaming agent, and a preservative.
• the initial permeability and durable permeability of urine and body fluid are significantly improved, and the deterioration of durable water permeability over time and liquid return properties are reduced.
• the antistatic property and the lubricity are improved in the nonwoven fabric manufacturing process, so that the spreadability is improved and the force passing property can be further improved.
• Table 1 and Table 2 collectively show details and evaluation results of the treatment agents in each of the examples and comparative examples.
• the blending ratio represents weight%.
• the treating agents of Examples and Comparative Examples were applied to hot water absorbent cotton so as to have a pure content of 0.5% by weight and dried. Next, this was passed through the steps of blended cotton and card to produce a web having a basis weight of 30 gZm 2 . The web was heat-treated at 130 ° C. in an air-through type hot air circulation dryer to fix the web. The nonwoven fabric thus produced was used in the following water permeability test.
• Card passability is determined mainly based on the situation with one cylinder around at 30 ° C x 70% RH.
• Antistatic property is determined by the electrostatic charging voltage generated at 20 ° C x 45% RH. Judged. Each ranking is as follows.
• the cylinder was observed after carding 40 g of the sample short fiber at 30 ° C. and 70% RH using a card tester, and the cylinder was observed and evaluated according to the following criteria. 5 ... no wrapping, 4 ... wrapped around 1-10 on the cylinder surface, 3 ... wrapped around 1Z5 on the cylinder surface, 2 ... wrapped around 1Z3 on the cylinder surface, 1 ... wrapped around the entire surface.
• An acceptable range is 4 or more, but 5 is the best.
• Antistatic property Using a card tester at 20 ° C and 45% RH, 4 Og of sample short fiber was used as a web, and the electrostatic charging voltage generated on the web was measured and evaluated according to the following criteria. 5 ...; L Less than 00V, 4-0.1 to 1.0 kV, 3 to 1.0 to 1.5 kV, 2 to 1.5 to 2.0 kV, "2. Greater than OkV. The range is set, but 5 is the best.
• Liquid repellency of non-woven fabric A non-woven fabric (10 cm x 10 cm) is placed on a commercially available disposable diaper, and a cylinder with an inner diameter of 7 Omm is placed on top of it. 10 Oml of saline is injected into the cylinder and the non-woven fabric is passed through the disposable diaper. Absorb. When the physiological saline is completely absorbed into the disposable diaper, remove the cylinder and remove the pre-weighed filter paper (Toyo Filter Paper, No. 5). 0 sheets are stacked, and a load of 5 kg is put on this. After standing for 5 minutes, the filter paper was weighed, and the increase in weight was measured to determine the amount of liquid returned (g). Although the allowable range is 1.5 g or less, 1. O g or less is desirable.
• Initial water permeability of non-woven fabric A non-woven fabric with a basis weight of 30 gZm 2 is layered on filter paper (Toyo Roshi Kaisha, No. 5), and 1 drop (approx. And measure the time it takes for water droplets to disappear from the surface of the nonwoven fabric. This measurement is performed at 20 places on the surface of the nonwoven fabric, and the number of pieces in less than 5 seconds is displayed. When the number is 18 or more, the initial water permeability is good.
• Durable water permeability of non-woven fabric Laminate the above non-woven fabric (10 cm x 10 cm) on a commercially available disposable diaper, place a 70-mm inner diameter cylinder on top of it, inject 50 ml of artificial urine into the cylinder, and absorb through the non-woven fabric into the disposable diaper. Let it. After leaving for 3 minutes after the injection, sandwich the non-woven fabric between 10 pieces of filter paper (Toyo Filter Paper, No. 5), put a plate (10 cm x 10 cm) and a load of 3.7 kg on it for 3 minutes Leave to dehydrate, then air dry for another 5 minutes.
• filter paper Toyo Filter Paper, No. 5
• Water permeability after aging Leave the above nonwoven fabric (10 cmX IO cm) in an environmental tester at 40 ° C ⁇ 70% RH for 30 days. After 30 days, the nonwoven fabric (10 cm x 10 cm) is taken out of the environmental tester, and the above-mentioned nonwoven fabric is subjected to the initial water permeability test and the durability test. It is assumed that the smaller the difference between the initial permeability and the durable water permeability before and after putting the environmental tester, the smaller the daily change of the durable water permeability is. The smaller this daily change is, the better. Examples 1 to 8 and Comparative Examples 1 to 2 Tess Vi ⁇ ⁇ example, relative age example, cold ⁇ room example
• A1 dilauryldimethylammonium chloride salt
• A2 distearyldimethylammonium chloride salt
• A3 behenyltrimethylammonium chloride salt
• A4 lauryltrimethylammonium chloride salt Salts
• A5 trilaurylmethylammonium chloride salt
• A6 sodium dimethylethylammonium ethosulfate salt.
• B 1 polyoxyethylene (3 mol) lauryl monophosphate salt, ammonium salt
• B 2 polyoxyethylene (3 mol) decyl monophosphate diethanol ammonium salt
• B 3 polyoxyethylene (2 mol) ) Potassium acetyl phosphate
• B4 potassium butylphosphate
• B5 potassium potassium phosphate
• B6 polyoxyethylene (20 moles) lauryl ether phosphate diethanummonium salt.
• C 1 Polyoxyethylene-modified silicone having a silicon content of 65% by weight and a molecular weight of 100,000
• Examples 1 to 8 corresponding to the composition and the ratio range shown in the present invention showed good results with good durability, low liquid return, and low deterioration of water permeability over time.
• Comparative Examples 1 to 9 which were out of these component composition ranges could not satisfy all the required characteristics. The synergistic effect of the proper combination of each component is well exhibited.
• Each of the comparative examples is inferior to each of the examples in that either the initial water permeability, the durable water permeability, the liquid return property, the water permeability after aging changes, the card permeability, or the stability and handling of the compound are inferior. Has become.
• the water-permeability-imparting agent according to the present invention is applied to a hydrophobic fiber such as polypropylene fiber or a non-woven fabric by means such as spraying, the fiber is provided with initial water permeability and durable water permeability, It can reduce the aging of sex and the return of urine and body fluids.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Health & Medical Sciences (AREA)
• Epidemiology (AREA)
• Biomedical Technology (AREA)
• Heart & Thoracic Surgery (AREA)
• Vascular Medicine (AREA)
• Life Sciences & Earth Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
• Absorbent Articles And Supports Therefor (AREA)
• Nonwoven Fabrics (AREA)

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• 2004
  • 2004-03-30 US US10/551,149 patent/US20060182965A1/en not_active Abandoned
  • 2004-03-30 CN CNB2004800094041A patent/CN100355978C/zh not_active Expired - Fee Related
  • 2004-03-30 KR KR1020057015024A patent/KR100958605B1/ko active IP Right Grant
  • 2004-03-30 DE DE112004000559.0T patent/DE112004000559B4/de not_active Expired - Fee Related
  • 2004-03-30 WO PCT/JP2004/004498 patent/WO2004090221A1/ja active Application Filing
  • 2004-03-30 JP JP2005505205A patent/JP4134165B2/ja not_active Expired - Lifetime
  • 2004-03-31 TW TW093108788A patent/TW200424395A/zh unknown

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