WO2011004713A1 - Agent de communication de perméabilité vis-à-vis de l'eau, fibre perméable à l'eau sur laquelle est appliqué l'agent de communication de perméabilité vis-à-vis de l'eau, et procédé pour produire un tissu non-tissé - Google Patents

Agent de communication de perméabilité vis-à-vis de l'eau, fibre perméable à l'eau sur laquelle est appliqué l'agent de communication de perméabilité vis-à-vis de l'eau, et procédé pour produire un tissu non-tissé Download PDF

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Publication number
WO2011004713A1
WO2011004713A1 PCT/JP2010/060702 JP2010060702W WO2011004713A1 WO 2011004713 A1 WO2011004713 A1 WO 2011004713A1 JP 2010060702 W JP2010060702 W JP 2010060702W WO 2011004713 A1 WO2011004713 A1 WO 2011004713A1
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WIPO (PCT)
Prior art keywords
imparting agent
water permeability
water
acid
group
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PCT/JP2010/060702
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English (en)
Japanese (ja)
Inventor
善治 藤本
正人 好岡
和喜 伊東
美幸 比嘉
Original Assignee
松本油脂製薬株式会社
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Application filed by 松本油脂製薬株式会社 filed Critical 松本油脂製薬株式会社
Priority to JP2010535140A priority Critical patent/JP4644318B1/ja
Publication of WO2011004713A1 publication Critical patent/WO2011004713A1/fr

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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
    • 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
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/53—Polyethers
    • 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
    • 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
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/507—Polyesters

Definitions

  • the present invention relates to a water permeability imparting agent, a water permeable fiber to which it is attached, and a method for producing a nonwoven fabric. Specifically, by imparting the water permeability-imparting agent of the present invention to the hydrophobic synthetic fiber for nonwoven fabric production, excellent permeability is obtained in the card process during nonwoven fabric production, and the resulting nonwoven fabric is instantly water permeable.
  • the present invention relates to a method for producing a water permeability imparting agent, a water permeable fiber to which it is attached, and a non-woven fabric, which have both properties, durable water permeability and liquid return prevention properties and are excellent in safety.
  • absorbent articles such as sanitary goods such as disposable diapers and synthetic napkins, topsheets that impart hydrophilicity to various nonwoven fabrics mainly composed of hydrophobic synthetic fibers (polyolefin fibers, polyester fibers, etc.) It has a structure formed by three layers in which a material made of cotton-like pulp, a polymer absorber or the like is disposed between the absorbent material and the water-repellent back sheet.
  • a material made of cotton-like pulp, a polymer absorber or the like is disposed between the absorbent material and the water-repellent back sheet.
  • the water permeability imparting agent is required to have the contradictory required properties of water permeability to the surface of hydrophobic synthetic fibers and to maintain water permeability even for repeated liquid water permeability.
  • Alkyl phosphate salts, cationic properties It was compensated by adjusting the blending ratio of surfactants and amphoteric surfactants.
  • durable water permeability is insufficient, or even when durable water permeability is obtained to some extent, instantaneous water permeability is insufficient.
  • a product satisfying both durable water permeability was not obtained.
  • the card process which is a process for manufacturing a nonwoven fabric, there is a problem that scum is generated in the card machine or napping is generated in the web. Furthermore, there was a problem that there were many things with strong irritation to skin.
  • Patent Document 1 discloses a method in which polyether-modified silicone is used in combination with an alkyl phosphate ester salt, but durability and water repellent prevention properties are insufficient.
  • Patent Document 2 discloses a method in which two types of amphoteric surfactants are used in combination with an alkyl phosphate ester salt, but the durable water permeability is insufficient.
  • Patent Document 3 proposes a method in which an acylated polyamine cationized product of polyoxyalkylene fatty acid amide, an alkyl phosphate salt, an amphoteric surfactant, and a polyoxyalkylene-modified silicone are used in combination. Run short.
  • Patent Document 4 discloses a treatment agent containing a betaine amphoteric activator, a dicarboxylic acid ester of a polyalkylene adduct of an oxy fatty acid ester, and an anionic surfactant. However, the card passing property, instantaneous water permeability and durable water permeability are disclosed. Lack of sex. Patent Document 5 proposes a method of treating fibers by using an alkyl phosphate salt in combination with an amphoteric surfactant, an alkoxylated ricinolein type compound, and a polyoxyalkylene-modified silicone, but is insufficient in card passage and liquid return prevention properties. To do.
  • Patent Document 6 at least one of an alkyl phosphate salt, a cationized product of (poly) amine having a polyoxyalkylene group and an acyl group, and a condensate of a polyoxyalkylene group-containing hydroxy fatty acid polyhydric alcohol ester and a dicarboxylic acid
  • a method has been proposed for treating fibers using a combination of an ester having a hydroxyl group blocked with a fatty acid, a dialkylsulfosuccinate salt, a trialkylglycine derivative, and a polyoxyalkylene-modified silicone. Run short.
  • these treatment agents are not only at an insufficient level for the instantaneous water permeability, durable water permeability, and liquid return prevention required for current sanitary material applications, but also are cards that are a manufacturing process for nonwoven fabrics.
  • the skin irritation is strong, and safety issues have arisen.
  • these treatment agents cannot satisfy all performance levels. Therefore, a high-performance treatment agent having both a high performance level and safety in hygiene material applications is desired.
  • the present invention solves the conventional problems and has a high level of performance in terms of instantaneous water permeability, durable water permeability, liquid return prevention properties and card passage properties, and has excellent water permeability.
  • An agent, a method for producing a water-permeable fiber and a nonwoven fabric to which the agent is attached are provided.
  • the present inventors have found that the above problems can be solved if the water permeability imparting agent contains a specific polyether polyester compound (A) as an essential component.
  • the invention has been completed.
  • the water permeability imparting agent according to the present invention contains a polyether polyester compound (A) represented by the following general formula (1) as an essential component.
  • R 1 and R 3 are each independently a residue obtained by removing an OH group from a monovalent aliphatic alcohol
  • AO is an oxyalkylene group having 2 to 4 carbon atoms
  • a and b Are each independently an integer of 1 to 100
  • R 2 is a divalent organic group.
  • the water-permeability imparting agent according to the present invention further contains an alkyl phosphate salt (B) represented by the following general formula (2).
  • B alkyl phosphate salt
  • R 4 is an alkyl group having 6 to 22 carbon atoms
  • AO is an oxyalkylene group having 2 to 4 carbon atoms
  • c is an integer of 0 to 15
  • n is an integer of 1 to 2
  • Y + is an ionic residue selected from the group consisting of hydrogen ion, sodium ion, potassium ion, ammonium ion, diethanolammonium ion and triethanolammonium ion.
  • the weight ratio of the polyether polyester compound (A) in the entire nonvolatile content of the water permeability imparting agent is preferably 10 to 90% by weight. Further, the weight ratio of the alkyl phosphate salt (B) to the whole nonvolatile content of the water permeability imparting agent is preferably 5 to 80% by weight.
  • the water-permeability imparting agent according to the present invention may further contain at least one leveling agent (C) selected from ester oils and mineral oils, and the smoothness occupying the entire nonvolatile content of the water-permeability imparting agent.
  • the weight ratio of the agent (C) is preferably 0.2 to 40% by weight.
  • the ester oil may be a monohydric alcohol and / or a fatty acid ester obtained from a (poly) ether compound obtained by adding a C 2-4 alkylene oxide to a monohydric alcohol and a fatty acid, and a polyhydric alcohol and / or polyhydric alcohol. It is preferably at least one selected from fatty acid esters obtained from a (poly) ether compound obtained by adding a C 2-4 alkylene oxide to a monohydric alcohol and a fatty acid.
  • the mineral oil is preferably at least one selected from machine oil, spindle oil and liquid paraffin.
  • the water permeability imparting agent according to the present invention is an ester in which at least one hydroxyl group of a condensate of dialkylsulfosuccinate salt (D1), polyoxyalkylene group-containing hydroxy fatty acid polyhydric alcohol ester and dicarboxylic acid is blocked with a fatty acid.
  • D1 dialkylsulfosuccinate salt
  • D2 polyoxyalkylene group-containing hydroxy fatty acid polyhydric alcohol ester and dicarboxylic acid
  • D3 at least one component selected from a nitrogen-containing surfactant
  • the weight ratio of the component (D) in the entire nonvolatile content of the water-permeability imparting agent Is preferably 0.2 to 40% by weight.
  • the water-permeability imparting agent according to the present invention is used for hydrophobic synthetic fibers for producing nonwoven fabrics.
  • the water-permeable fiber according to the present invention is obtained by treating the hydrophobic synthetic fiber for producing a nonwoven fabric with the water-permeability imparting agent according to any one of claims 1 to 6, and imparting water permeability to the obtained fiber.
  • the adhesion rate of the non-volatile content of the agent is 0.1 to 2% by weight.
  • the manufacturing method of the nonwoven fabric concerning this invention includes the process of producing the fiber web by accumulating the said water-permeable fiber, and heat-processing the obtained fiber web.
  • the water-permeability imparting agent according to the present invention, the water-permeable fiber and the nonwoven fabric to which the water-permeability imparting agent is attached have high performance levels in terms of instantaneous water permeability, durable water permeability, liquid return prevention property and card passability. Excellent safety.
  • the water permeability imparting agent of the present invention contains the polyether polyester compound (A) represented by the general formula (1) as an essential component. Details will be described below.
  • the polyether polyester compound (A) represented by the general formula (1) (hereinafter sometimes referred to as component (A)) is a component that is extremely excellent in instantaneous water permeability and durable water permeability.
  • R 1 and R 3 are residues (aliphatic hydrocarbon groups) obtained by removing OH groups from monovalent aliphatic alcohols. The number of carbon atoms of the aliphatic hydrocarbon group may be distributed, and the aliphatic hydrocarbon group may be saturated or unsaturated, and may be linear or branched. It may have a polycyclic structure.
  • the aliphatic hydrocarbon group may have 1 to 60 carbon atoms, but is preferably 10 to 60, more preferably 12 to 60, and particularly preferably 14 to 60 from the viewpoint of improving durable water permeability.
  • Examples of the monovalent aliphatic alcohol include methanol, ethanol, butanol, 2-ethylhexanol, lauryl alcohol, palmityl alcohol, palmitolyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, eicosanol, docosanol, tetrocosanol, hexa Cosanol, octacosanol, nonacosanol, triacontanol, C24-26 alcohol (made by Ito Oil Co., Ltd., trade name: Hysokol 246), C32-36 alcohol (made by Shin Nippon Rika Co., Ltd., trade name: NJ Cole 3236) ), C14-60 alcohol (trade name: Unilin alcohol 450, manufactured by Petrolite, USA), C30-60 alcohol (trade name: lanolin alcohol A, manufactured by Nippon Seika Co., Ltd.), and the like.
  • the aliphatic alcohol preferably has a distribution in the range of 1 to 60 carbon atoms from the viewpoint of improving the durable water permeability. That is, a plurality of aliphatic alcohols having different carbon numbers in the range of 1 to 60 carbon atoms are preferable.
  • the range of the number of carbon atoms having a distribution is preferably 10 to 60, more preferably 12 to 60, and still more preferably 14 to 60.
  • the distribution may be part of this carbon number range, or may be in the entire range.
  • the aliphatic alcohols having different carbon numbers are preferably 3 or more, more preferably 5 to 60, further preferably 10 to 55, and particularly preferably 15 to 50. .
  • AO is an oxyalkylene group having 2 to 4 carbon atoms.
  • a and b, which are repeating numbers of oxyalkylene units, are each independently an integer of 2 to 100, preferably 5 to 50, more preferably 6 to 30.
  • (AO) a and (AO) b are preferably polyoxyalkylene groups having 50 mol% or more of oxyethylene units as oxyalkylene units.
  • R 2 is a divalent organic group, and examples thereof include a divalent organic group obtained by removing a carboxyl group (or an acid anhydride group) from dicarboxylic acid and dicarboxylic acid anhydride.
  • R 2 includes oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, maleic acid, fumaric acid, phthalic acid, isophthalic acid, terephthalic acid, thiodipropion
  • Examples thereof include divalent organic groups obtained by removing a carboxyl group (or acid anhydride group) from acids, thiodioctanoic acid, thiodilauric acid, thiodistearic acid and the like and anhydrides of these dicarboxylic acids.
  • Component (A) is a condensate obtained by a dehydration condensation reaction between an alkylene oxide adduct of a monovalent aliphatic alcohol and a dicarboxylic acid.
  • the carboxyl group molar equivalent of dicarboxylic acid per molar equivalent of hydroxyl group of the alkylene oxide adduct of monovalent aliphatic alcohol is in the range of 0.2 to 1. 0.4 to 0.8 is more preferable.
  • esterification method, reaction conditions, and the like when producing component (A), and any known method or ordinary conditions can be employed.
  • heating is performed while distilling off the generated water in a nitrogen gas stream in the presence of a catalyst. It is obtained by reacting.
  • the weight ratio of the component (A) in the non-volatile content of the water permeability imparting agent is preferably 10 to 90% by weight, more preferably 10 to 80% by weight, further preferably 30 to 80% by weight, and 40 to 70% by weight. Is particularly preferred.
  • the nonvolatile content of the water-permeability imparting agent of the present invention means a component in the water-permeability imparting agent remaining on the fiber surface even after the heat drying step for removing moisture and the like. It means a component that remains without being volatilized when it reaches a constant weight by removing heat and the like by heat treatment.
  • the water permeability-imparting agent of the present invention preferably further contains an alkyl phosphate salt (B) represented by the aforementioned general formula (2) (hereinafter sometimes referred to as component (B)) in addition to component (A). .
  • the component (B) is a component excellent in card passing performance, performance for maintaining durable water permeability, and performance for reducing liquid return.
  • R 4 is an alkyl group having 6 to 22 carbon atoms, preferably 10 to 18 carbon atoms, more preferably 10 to 16 carbon atoms, and further preferably 10 to 14 carbon atoms.
  • the card process passability may decrease and the odor of the product may become strong.
  • the alkyl group has more than 22 carbon atoms, the water solubility of the compound, the card passability, and the instantaneous Water permeability may decrease.
  • the carbon number of the alkyl group may be distributed, the alkyl group may be linear or branched, and may be saturated or unsaturated.
  • AO is an oxyalkylene group having 2 to 4 carbon atoms.
  • C which is the number of repeating oxyalkylene units, is an integer of 0 to 15, preferably 0 to 10, more preferably 0 to 3, and particularly preferably c is 0 and no polyoxyalkylene group is contained.
  • (AO) c is preferably a polyoxyalkylene group having 50 mol% or more of oxyethylene units as oxyalkylene units.
  • n is an integer of 1 to 2
  • Y + is an ionic residue selected from the group consisting of hydrogen ion, sodium ion, potassium ion, ammonium ion, diethanolammonium ion and triethanolammonium ion. These may be a mixture, or one or more may be used.
  • the component (B) is composed of decyl phosphate potassium salt, lauryl phosphate potassium salt, tridecyl phosphate potassium salt, myristyl phosphate potassium salt, cetyl phosphate potassium, for the purpose of improving the performance of maintaining card permeability and durable water permeability.
  • Salt, oleyl phosphate potassium salt, polyoxyethylene 2 mol addition cetyl phosphate potassium salt, polyoxyethylene 3 mol addition lauryl phosphate diethanolammonium salt, polyoxyethylene 3 mol addition lauryl phosphate triethanolammonium salt are preferred, lauryl phosphate potassium salt is preferred Further preferred.
  • the weight ratio of the component (B) in the entire nonvolatile content of the water permeability imparting agent is preferably 5 to 80% by weight, more preferably 10 to 60% by weight, further preferably 20 to 50% by weight, and 20 to 40% by weight. Is particularly preferred.
  • the water-permeability imparting agent of the present invention has a component (A) that is particularly excellent in instantaneous water-permeable performance and durable water-permeable performance, and in particular, card-passing performance and performance that retains durable water-permeable properties in order to further exert its effects.
  • the weight ratio (A) / (B) to the component (B) excellent in performance for reducing the liquid return amount is preferably 30/70 to 90/10, and preferably 40/60 to 80/20. Is more preferable, and 50/50 to 70/30 is particularly preferable.
  • the water permeability imparting agent of the present invention may further contain a smoothing agent (C) and / or a component (D) described later in addition to the component (A) or in addition to the component (A) and the component (B). .
  • the smoothing agent (C) (hereinafter sometimes referred to as “component (C)”) is at least one selected from ester oils and mineral oils, and is a component that can further improve the card passability and the like. In particular, since there is little wrapping around the cylinder and it is difficult for the web to be nipped, a nonwoven fabric with excellent surface quality can be obtained.
  • the weight ratio of the component (C) to the whole non-volatile content of the water-permeability imparting agent is preferably 0.2 to 40% by weight, more preferably 5 to 30% by weight. 20% by weight is particularly preferred. If the weight ratio exceeds 40% by weight, the water permeability of the water-permeability imparting agent may be insufficient, resulting in a decrease in solution stability and an antistatic property in a card process.
  • the ester oil of component (C) is not particularly limited, but a fatty acid ester obtained from a monohydric alcohol and / or a (poly) ether compound in which an alkylene oxide having 2 to 4 carbon atoms is added to the monohydric alcohol and a fatty acid,
  • at least one fatty acid ester selected from fatty acid esters obtained from (poly) ether compounds obtained by adding a polyhydric alcohol and / or a polyhydric alcohol with a C 2-4 alkylene oxide and a fatty acid is preferable.
  • a monohydric aliphatic alcohol etc. are mentioned.
  • the carbon number of the monovalent aliphatic alcohol may be distributed. Moreover, it may be saturated or unsaturated, may be linear, and may have a branch.
  • the aliphatic alcohol preferably has 1 to 22 carbon atoms, more preferably 8 to 18 carbon atoms, still more preferably 10 to 18 carbon atoms, and particularly preferably 12 to 18 carbon atoms.
  • Examples of the monohydric alcohol include methanol, ethanol, butanol, 2-ethylhexanol, lauryl alcohol, palmityl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, and behenyl alcohol.
  • the number of moles of alkylene oxide added in the (poly) ether compound obtained by adding an alkylene oxide having 2 to 4 carbon atoms to a monohydric alcohol is preferably 0 to 150, more preferably 0 to 50, particularly when no alkylene oxide is contained. preferable.
  • the raw material polyhydric alcohol constituting the fatty acid ester is not particularly limited, and examples thereof include divalent to hexavalent alcohols.
  • the polyhydric alcohol include diols such as ethylene glycol, propylene glycol, 1,4-butanediol, 1,6-hexanediol, diethylene glycol, glycerin, trimethylolpropane, sorbitol, sorbitan, pentaerythritol, sucrose, etc. Polyols.
  • polyglycerin such as diglycerin, triglycerin, tetraglycerin and hexaglycerin, which is a condensate of glycerin, is also included.
  • the number of moles of alkylene oxide added in the (poly) ether compound obtained by adding an alkylene oxide having 2 to 4 carbon atoms to a polyhydric alcohol is preferably 0 to 150, more preferably 0 to 50, and particularly preferably 0 to 20.
  • the starting fatty acid constituting the fatty acid ester is not particularly limited, and may be a saturated fatty acid or an unsaturated fatty acid. Of these, saturated fatty acids are preferable, and the number of carbon atoms of the fatty acids is preferably 10 to 30, more preferably 12 to 18, and particularly preferably 14 to 18.
  • Saturated fatty acids include caproic acid, caprylic acid, capric acid, undecanoic acid, lauric acid, tridecanoic acid, myristic acid, pentadecanoic acid, palmitic acid, stearic acid, nonadecanoic acid, arachidic acid, behenic acid, serotic acid, montanic acid, Examples include melicic acid.
  • the unsaturated fatty acid include oleic acid, elaidic acid, erucic acid, linoleic acid, linolenic acid and the like.
  • fatty acid esters are prepared by appropriately selecting the above-mentioned monohydric alcohols and polyhydric alcohols and / or (poly) ether compounds in which alkylene oxides having 2 to 4 carbon atoms are added to these alcohols and fatty acids, and by known synthesis methods. Obtainable.
  • Examples of the fatty acid ester obtained from a (poly) ether compound obtained by adding a monohydric alcohol and / or a monohydric alcohol with a C 2-4 alkylene oxide and a fatty acid include lauryl oleate, stearyl oleate, oleyl oleate, Octyl oleate, isooctyl palmitate, isooctyl stearate, tridecyl oleate, butyl stearate, 2-ethylhexyl oleate, oleyl stearate, oleyl palmitate, oleyl laurate, oleyl isostearate, polyoxyethylene ( 10 mol) Stearyl ether oleate and the like.
  • Examples of the fatty acid ester obtained from a (poly) ether compound obtained by adding a C 2-4 alkylene oxide to a polyhydric alcohol and / or a monohydric alcohol and a fatty acid include glycerin monooleate, glycerin monostearate, hexa Examples include glycerol monostearate, trimethylolpropane monopalmitate, sorbitan monooleate, polyoxyethylene (20 mol) glycerol monostearate and the like. Among these, isooctyl palmitate and isooctyl stearate are particularly preferable as the fatty acid ester.
  • the mineral oil of component (C) is preferably at least one selected from machine oil, spindle oil and liquid paraffin.
  • the viscosity of the mineral oil at 30 ° C. is preferably 1 ⁇ 10 ⁇ 6 to 5 ⁇ 10 ⁇ 5 m 2 / s, and more preferably 1 ⁇ 10 ⁇ 6 to 4 ⁇ 10 ⁇ 5 m 2 / s.
  • As the mineral oil liquid paraffin is preferable.
  • the water-permeability imparting agent of the present invention contains at least one hydroxyl group of a condensate of a dialkyl sulfosuccinate salt (D1), a polyoxyalkylene group-containing hydroxy fatty acid polyhydric alcohol ester and a dicarboxylic acid as a component for assisting durable water permeability.
  • At least one component (D) selected from an ester (D2) blocked with a fatty acid and a nitrogen-containing surfactant (D3) may be included within a range not impairing safety.
  • the weight ratio of the component (D) in the entire nonvolatile content of the water permeability imparting agent is preferably 0.2 to 40% by weight, more preferably 5 to 40% by weight, further preferably 5 to 30% by weight, and 5 to 20% by weight. % Is particularly preferred. When the weight ratio exceeds 40% by weight, the card passing property may deteriorate.
  • component (D1) and / or component (D3) is essential, the total amount of component (D1) and component (D3) in the entire nonvolatile content of the water permeability imparting agent is 0.2 to 30 wt. %, More preferably 5 to 20% by weight, still more preferably 5 to 10% by weight.
  • the dialkylsulfosuccinate salt (D1) (sometimes referred to as component (D1)) is a dialkyl ester of succinic acid having a sulfonate group at the ⁇ -position.
  • the number of carbon atoms of the alkyl group constituting the dialkyl ester may be distributed, and the alkyl group may be linear or branched, and may be saturated or unsaturated.
  • the alkyl group preferably has 6 to 18 carbon atoms, more preferably 8 to 18 carbon atoms, still more preferably 10 to 18 carbon atoms, and particularly preferably 12 to 14 carbon atoms. If the alkyl group has less than 6 carbon atoms, the card passing property may decrease. On the other hand, if the carbon number of the alkyl group exceeds 18, the instantaneous water permeability may decrease.
  • Examples of the sulfonate salt of component (D1) include alkali metal salts such as sodium salt and potassium salt, and amine salts.
  • the salt is sodium salt and / or potassium salt, the fiber to which the water permeability-imparting agent has adhered is attached. This is preferable because the liquid penetrates quickly.
  • component (D1) examples include dihexyl sulfosuccinate sodium salt, di-2-ethylhexyl sulfosuccinate sodium salt, dilauryl sulfosuccinate sodium salt, dicoco alkylsulfosuccinate sodium salt, ditridecyl sulfosuccinate sodium salt Salt, dimyristyl sulfosuccinate sodium salt, distearyl sulfosuccinate sodium salt and the like. These dialkyl sulfosuccinate salts may be used alone or in combination of two or more.
  • Component (D2) An ester (D2) (component (D2)) in which at least one hydroxyl group of a polyoxyalkylene group-containing hydroxy fatty acid polyhydric alcohol ester (hereinafter sometimes referred to as polyhydroxy ester) and a dicarboxylic acid is blocked with a fatty acid.
  • polyhydroxy ester a polyoxyalkylene group-containing hydroxy fatty acid polyhydric alcohol ester
  • dicarboxylic acid is blocked with a fatty acid.
  • the polyhydroxyester is structurally an ester of a polyoxyalkylene group-containing hydroxy fatty acid and a polyhydric alcohol, and two or more (preferably all) hydroxyl groups of the polyhydric alcohol are esterified. Therefore, the polyoxyalkylene group-containing hydroxy fatty acid polyhydric alcohol ester is an ester having a plurality of hydroxyl groups.
  • the polyoxyalkylene group-containing hydroxy fatty acid has a structure in which a polyoxyalkylene group is bonded to a fatty acid hydrocarbon group via an oxygen atom, and one end that is not bonded to the fatty acid hydrocarbon group of the polyoxyalkylene group is It is a hydroxyl group.
  • the polyhydroxyester include an alkylene oxide adduct of an esterified product of a hydroxy fatty acid having 6 to 22 carbon atoms (preferably 12 to 22 carbon atoms) and a polyhydric alcohol.
  • Examples of the hydroxy fatty acid having 6 to 22 carbon atoms include hydroxycaprylic acid, hydroxycapric acid, hydroxyundecanoic acid, hydroxylauric acid, hydroxystearic acid, and ricinoleic acid, and hydroxystearic acid and ricinoleic acid are preferable.
  • Examples of the polyhydric alcohol include ethylene glycol, glycerin, sorbitol, sorbitan, trimethylolpropane, pentaerythritol and the like, and glycerin is preferable.
  • Examples of the alkylene oxide include alkylene oxides having 2 to 4 carbon atoms such as ethylene oxide, propylene oxide, butylene oxide.
  • the number of added moles of alkylene oxide is preferably 80 or less, more preferably 5 to 30 per mole equivalent of hydroxyl group of the hydroxy fatty acid polyhydric alcohol ester. If the added mole number exceeds 80, the liquid return amount may increase, which is not preferable. In order to obtain high durable water permeability, it is important to adjust the balance between the hydrophilic group and the hydrophobic group.
  • the proportion of ethylene oxide in the alkylene oxide is preferably 50 mol% or more, more preferably 80 mol% or more. If the ratio of ethylene oxide is less than 50 mol%, the hydrophobicity becomes strong and sufficient durable water permeability may not be obtained.
  • the polyhydroxyester can be produced, for example, by esterifying a polyhydric alcohol and a hydroxy fatty acid (hydroxymonocarboxylic acid) under ordinary conditions to obtain an esterified product, and then subjecting the esterified product to an addition reaction with an alkylene oxide.
  • the polyhydroxyester can be suitably produced also by using an oil and fat obtained from nature such as castor oil or a hardened castor oil obtained by adding hydrogen to this, and further subjecting it to an addition reaction with an alkylene oxide.
  • the carboxyl group molar equivalent of hydroxy fatty acid per molar equivalent of hydroxyl group of polyhydric alcohol is preferably in the range of 0.5-1.
  • the carbon number of the dicarboxylic acid is preferably 2 to 10, more preferably 2 to 8. If the carbon number of the dicarboxylic acid exceeds 10, sufficient hydrophilicity may not be imparted.
  • dicarboxylic acids include oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, maleic acid, and phthalic acid.
  • the carboxyl group molar equivalent of dicarboxylic acid per molar equivalent of hydroxyl group of polyhydroxyester is preferably in the range of 0.2 to 1, More preferred is 0.8.
  • D2 the method of esterification, reaction conditions, etc. at the time of manufacturing a component (D2), A well-known method and normal conditions are employable.
  • Component (D2) of the present invention has at least one hydroxyl group blocked with a fatty acid in the above-mentioned condensate of polyoxyalkylene group-containing hydroxy fatty acid polyhydric alcohol ester and dicarboxylic acid (hereinafter sometimes referred to as condensate).
  • condensate of polyoxyalkylene group-containing hydroxy fatty acid polyhydric alcohol ester and dicarboxylic acid
  • Ester Esters that are not capped with fatty acids have insufficient durable water permeation performance, and the viscosity of the compound increases with time, resulting in an increase in water-insoluble matter, thus reducing the solution stability of the imparting agent.
  • the number of carbon atoms of the fatty acid blocking at least one or more hydroxyl groups of the condensate is preferably 10 to 50, and more preferably 12 to 36.
  • the hydrophilicity becomes strong and sufficient durable water permeability may not be obtained.
  • the carbon number of the hydrocarbon group in the fatty acid may be distributed, the hydrocarbon group may be linear or branched, may be saturated or unsaturated, It may have a polycyclic structure.
  • Examples of such fatty acids include lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, icosanoic acid, behenic acid, lignoceric acid, nervonic acid, serotic acid, montanic acid, melicic acid, and lanolin fatty acid.
  • lanolin fatty acid having 12 to 36 carbon atoms which is a lanolin derivative obtained by purifying behenic acid or wool grease, is preferable.
  • the carboxyl group molar equivalent of the fatty acid per molar equivalent of the hydroxyl group of the condensate is preferably in the range of 0.2 to 1, and more preferably 0.4 to 1. There are no particular limitations on the reaction conditions for esterification.
  • Component (D3) examples of the nitrogen-containing surfactant (D3) (sometimes referred to as component (D3)) include ammonium salt type cationic surfactant (D3a), imidazolinium type cationic surfactant (D3b), and alkylbetaine surfactant. It is preferably at least one selected from (D3c), alkylimidazole type betaine surfactant (D3d), amide group-containing betaine surfactant (D3e) and higher fatty acid alkanolamide type surfactant (D3f).
  • the component (D3) of the present invention is a component excellent in instantaneous water permeability and durable water permeability, but it is preferably used in a minimum amount because the card passing property and safety may be inferior.
  • the ammonium salt type cationic surfactant (D3a) is not particularly limited.
  • dilauryl dimethyl ammonium chloride did
  • the imidazolinium type cationic surfactant (D3b) is not particularly limited, but the substituent at the 2-position of the imidazolinium ring is an aliphatic hydrocarbon group having 11 to 21 carbon atoms, and the anionic group is methylsulfuric acid. Those that are ionic residues selected from the group consisting of ions, ethyl sulfate ions and dimethyl phosphate ions are preferred.
  • imidazolinium type cationic surfactants include 1-hydroxyethyl-1-ethyl-2-laurylimidazolinium ethyl sulfate, 1-hydroxyethyl-1-ethyl-2-oleylimidazolinium ethyl sulfate, 1 -Hydroxyethyl-1-ethyl-2-stearylimidazolinium ethyl sulfate, 1-hydroxyethyl-1-methyl-2-tetradecylimidazolinium methyl sulfate, 1-hydroxyethyl-1-methyl-2-lauryl imidazoli 1-hydroxyethyl-1-methyl-2-oleylimidazolinium methylsulfate, 1-hydroxyethyl-1-methyl-2-stearylimidazolinium methylsulfate, 1-hydroxyethyl-1- Chill 2-oleyl imidazolinium dimethyl phosphate. Of these, 1-hydroxyethyl-1
  • the alkylbetaine surfactant (D3c) is not particularly limited, and examples thereof include lauryldimethylaminoacetic acid betaine, stearyldimethylaminoacetic acid betaine, lauryldimethylaminosulfopropylbetaine, and lauryldimethylhydroxysulfobetaine. Among these, stearyldimethylaminoacetic acid betaine is preferable.
  • the alkylimidazole type betaine surfactant (D3d) is not particularly limited, and examples thereof include 2-lauryl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine, 2-oleyl-N-carboxymethyl-N-hydroxy. Examples include ethyl imidazolinium betaine. Of these, 2-lauryl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine is preferred.
  • the amide group-containing betaine surfactant (D3e) is not particularly limited, and examples thereof include lauric acid amidopropyldimethylaminoacetic acid betaine, oleic acid amidopropyldimethylaminoacetic acid betaine, and stearic acid amidopropyldimethylaminoacetic acid betaine. Among these, stearate amidopropyldimethylaminoacetic acid betaine is preferable.
  • the higher fatty acid alkanolamide type surfactant (D3f) is not particularly limited, and examples thereof include lauric acid diethanolamide, oleic acid diethanolamide, stearic acid diethanolamide, behenic acid diethanolamide, lauric acid monoethanolamide, and lauric acid monoester. Isopropanolamide etc. are mentioned. Further, the higher fatty acid alkanolamide type surfactant may also contain an alkylene oxide adduct having 2 to 4 carbon atoms. Among these, stearic acid diethanolamide and behenic acid diethanolamide are preferable.
  • the water permeability-imparting agent of the present invention may contain polyoxyalkylene-modified silicone (E) (sometimes referred to as component (E)) as long as it does not impair the effects of the present invention, but lacks liquid return prevention properties.
  • the weight ratio of the silicone compound (E) in the entire nonvolatile content of the water permeability imparting agent is less than 20% by weight, less than 15% by weight, less than 10% by weight, It is preferable in the order of less than 7% by weight, less than 5% by weight, and less than 3% by weight.
  • Component (E) has a molecular weight of 1,000 to 100,000 and a Si content of 20 to 70% by weight.
  • the polyoxyalkylene is polyoxyethylene or polyoxypropylene, and the ratio of the polyoxyethylene in the total polyoxyalkylene is 20% by weight or more.
  • the water permeability imparting agent of the present invention may contain water and / or a solvent as required, and preferably contains water essentially.
  • the water used in the present invention may be any of pure water, distilled water, purified water, soft water, ion exchange water, tap water and the like.
  • the weight ratio of the non-volatile component in the entire water-permeability imparting agent when producing the water-permeability imparting agent is preferably 10 to 40% by weight, and particularly preferably 18 to 30% by weight.
  • the water permeability imparting agent of the present invention further contains an antibacterial agent, an antioxidant, a preservative, a matting agent, a pigment, an antirust agent, an aromatic, an antifoaming agent, and the like as necessary. Also good.
  • Method for producing water permeability imparting agent As a method for producing the water-permeability imparting agent of the present invention, a known method can be employed. For example, the component (A) and the component (C) are blended as necessary and stirred at a temperature of about 70 ° C. Next, if necessary, an aqueous solution of the component (B) is blended and stirred uniformly at a temperature of about 70 ° C. Next, a component (D) is mix
  • the water-permeable fiber of the present invention is a water-permeable fiber composed of a hydrophobic synthetic fiber (fiber body) for manufacturing a nonwoven fabric and the water-permeability imparting agent attached to the fiber, and is generally cut to a predetermined length. Short fiber.
  • the adhesion rate of the non-volatile component of the water permeability imparting agent is 0.1 to 2% by weight, preferably 0.3 to 1% by weight, based on the water permeable fiber. When the adhesion rate of the nonvolatile content of the water permeability imparting agent to the water permeable fiber is less than 0.1% by weight, the instantaneous water permeability and the durable water permeability may be lowered.
  • the adhesion rate of the non-volatile content of the water permeability imparting agent exceeds 2% by weight, the wrapping increases when the fiber is carded, resulting in a significant reduction in productivity, and a nonwoven fabric obtained by a method such as a dry method. Such a fiber product may become sticky after water permeation.
  • hydrophobic synthetic fiber (fiber body) for manufacturing a nonwoven fabric examples include, for example, polyolefin fibers, polyester fibers, nylon fibers, polyvinyl chloride fibers, composite fibers composed of two or more types of thermoplastic resins, etc.
  • polyolefin resin / polyolefin resin for example, high density polyethylene / polypropylene, linear high density polyethylene / polypropylene, low density polyethylene / polypropylene, binary copolymer of propylene and other ⁇ -olefin or ternary Examples include copolymer / polypropylene, linear high-density polyethylene / high-density polyethylene, and low-density polyethylene / high-density polyethylene.
  • polyolefin resin / polyester resin for example, polypropylene / polyethylene terephthalate, high-density polyethylene / polyethylene terephthalate, linear high-density polyethylene / polyethylene terephthalate, and low-density polyethylene / polyethylene terephthalate.
  • polyester-type resin / polyester-type resin copolymer polyester / polyethylene terephthalate etc. are mentioned, for example.
  • the fiber which consists of polyamide-type resin / polyester-type resin, polyolefin-type resin / polyamide-type resin etc. can be illustrated.
  • polyolefin fibers (polyolefin fibers and polyolefin fibers for manufacturing nonwoven fabrics) are used because the attached water permeability imparting agent is difficult to fall off by liquids such as urine and body fluids.
  • the water permeability-imparting agent of the present invention is suitable for hydrophobic synthetic fibers such as polyester fibers for producing non-woven fabrics (polyester fibers and composite fibers containing polyester fibers), and polyolefin fibers for producing non-woven fabrics.
  • the water permeability imparting agent of the present invention is suitable.
  • Examples of the cross-sectional structure of the fiber include a sheath-core type, a parallel-type, an eccentric sheath-core type, a multilayer type, a radiation type, and a sea-island type.
  • the sheath includes eccentricity.
  • a core type or a parallel type is preferred.
  • the cross-sectional shape can be a circular shape or an irregular shape. In the case of an irregular shape, for example, a flat shape, a polygonal shape such as a triangle to an octagon, a T shape, a hollow shape, a multileaf shape, and the like can be used.
  • the water-permeability-imparting agent of the present invention may be adhered to the fiber main body without being diluted as it is, and diluted with water or the like to a concentration such that the weight ratio of the entire nonvolatile content is 0.5 to 5% by weight as an emulsion. You may make it adhere to a fiber main body.
  • the step of attaching the water permeability imparting agent to the fiber body may be any of a spinning process, a stretching process, a crimping process, and the like of the fiber body.
  • the means for attaching the water permeability imparting agent of the present invention to the fiber body is not particularly limited, and means such as roller lubrication, nozzle spray lubrication, and dip lubrication may be used.
  • a method for obtaining a desired adhesion amount more uniformly and efficiently may be employed in accordance with the fiber manufacturing process and its characteristics. Moreover, as a drying method, you may use the method of drying with a hot air and infrared rays, the method of making it contact with a heat source, and drying.
  • Method for producing nonwoven fabric As a manufacturing method of a nonwoven fabric, a well-known method is employable without particular limitation. Short fibers or long fibers can be used as the raw fiber. Examples of the web forming method in which the raw fibers are short fibers include a dry method such as a card method and an airlaid method, and a wet method such as a papermaking method. Examples of the web forming method in which the raw fibers are long fibers include a spunbond method, a melt blow method, and a flash spinning method. Examples of the interfiber bonding method include a chemical bond method, a thermal bond method, a needle punch method, a spunlace method, and a stitch bond method.
  • the method for producing the nonwoven fabric of the present invention preferably includes a step of producing a fiber web by passing the water-permeable fibers (for example, short fibers) of the present invention through a card machine or the like and heat-treating the obtained fiber web. That is, the water-permeability imparting agent of the present invention is particularly preferably used when it has a step of heat-treating the fiber web in the production of the nonwoven fabric.
  • the method for bonding the fiber web by heat treatment include thermal fusion methods such as thermocompression using a heated roll or ultrasonic waves, thermal fusion using heated air, and a thermocompression bonding (point bonding) method.
  • the water-permeable fiber (short fiber) of the present invention is mixed and heat-treated and bonded as described above.
  • a fiber molded body obtained by a spunbond method, a melt blow method, a flash spinning method, or the like is heat-treated with a heating roll or heated air or the like, to which the water permeability imparting agent of the present invention is attached, or heated.
  • a method of manufacturing a nonwoven fabric by attaching the water permeability imparting agent of the present invention to a material heat treated with a roll or heated air is also included.
  • a composite fiber resin is spun, then the spun composite long fiber filament is cooled with a cooling fluid, and tension is applied to the filament with drawn air to obtain the desired fineness. Thereafter, the spun filament is collected on a collection belt and subjected to a bonding treatment to obtain a spunbonded nonwoven fabric.
  • the joining means include thermocompression bonding using a heating roll or ultrasonic waves, heat fusion using heated air, and a thermocompression bonding (point bonding) method.
  • a method for imparting the water permeability imparting agent of the present invention to the obtained spunbond nonwoven fabric it can be performed by a gravure method, a flexo method, a roll coating method such as a gate roll method, a spray coating method, etc. There is no particular limitation as long as the coating amount can be adjusted for each side.
  • a drying method you may use the method of drying with a hot air and infrared rays, the method of making it contact with a heat source, and drying.
  • the water-permeable fiber of the present invention has physical properties excellent in liquid return prevention properties.
  • the liquid return amount of the water-permeable fiber is usually 1.2 g or less, preferably 1.0 g or less, more preferably 0.8 g or less, more preferably 0.6 g or less, particularly preferably 0.4 g or less, and most preferably 0. .2 g or less.
  • the water-permeable fiber of the present invention is excellent in durable water permeability.
  • the disappearance time of the physiological saline is measured at 20 places in the third evaluation, and the number of places where the disappearance time is less than 5 seconds is usually 10 or more, preferably 12 Or more, more preferably 14 or more, more preferably 16 or more, particularly preferably 18 or more, and most preferably 20.
  • the water-permeable fiber of the present invention is excellent in safety. In sanitary material applications, high safety is required because it is in direct contact with the human body. In order to evaluate the safety of the water-permeable fiber, a cytotoxicity (IC 50 ) test is performed, and 70% or more is preferable.
  • IC 50 cytotoxicity
  • the above physical properties can be obtained by attaching the water permeability imparting agent of the present invention to the fiber body.
  • Examples 1 to 10 and Comparative Examples 1 to 11 The components and water shown in Tables 1 and 2 were mixed, and the water permeability imparting agents of Examples 1 to 10 and Comparative Examples 1 to 11 having a non-volatile content of 25% by weight in the entire water permeability imparting agent were respectively obtained. Prepared. The obtained water-permeability imparting agent was diluted with warm water of about 60 ° C. so that the weight ratio of nonvolatile content was 0.8% by weight to obtain a diluted solution.
  • the fiber body is a polypropylene (core) -polyethylene (sheath) composite fiber to which a fiber treatment agent such as a water permeability imparting agent is not attached, and has a single fiber fineness of 1.5 Dtex and a fiber length of 38 mm. It was.
  • the fibers to which the respective liquid permeability imparting agents were attached were placed in a 60 ° C. hot air dryer for 2 hours and then allowed to dry at room temperature for 8 hours or more to obtain water permeable fibers. .
  • the obtained water-permeable fibers were respectively passed through a blended cotton process and a card process using a card testing machine to prepare webs with a basis weight of 30 g / m 2 .
  • the physical properties in the card process (card passing property: presence of cylinder winding and occurrence of scum) were evaluated by the following evaluation method.
  • the obtained web was heat-treated at 130 ° C. in an air-through hot air circulating dryer to fix the web to obtain a nonwoven fabric.
  • the physical properties instant water permeability, durable water permeability, and liquid return prevention property) were evaluated by the evaluation methods shown below. The results are shown in Tables 3 and 4.
  • Nep number 0 is the most excellent.
  • the disappearance time of physiological saline was measured at 20 locations by the instantaneous water permeability test method of the nonwoven fabric, and the number of disappearance time less than 5 seconds was determined. displayed. If this number is 18 or more, the durable water permeability is good. The same operation is repeated for the nonwoven fabric subjected to the test. In this repeated test, it is better that the number of disappearances of physiological saline (the number of places where the disappearance time is less than 5 seconds) is large even if the number of times is repeated.
  • Cytotoxicity test (IC 50 ) Cell lines by colony formation method using V79 cells were examined in a concentration range of water extract 3 to 100% was IC 50 concentration (%) to inhibit colony formation by 50%. Extraction conditions, treatment conditions, and the like were performed in accordance with the cytotoxicity test of the plastic drug container test method of “15th revision Japanese Pharmacopoeia 2006”. In the pass / fail judgment, a density of 70% or more was regarded as acceptable ( ⁇ ), and a density of less than 70% was regarded as unacceptable (x).
  • Adhesion rate of water permeability imparting agent adhering to water permeable fiber The adhering rate of the non-volatile content of the water permeability imparting agent adhering to the water permeable fiber is water permeability adjusted for 24 hours at 25 ° C. ⁇ 40% RH temperature and humidity
  • the conductive fiber (W1) was extracted with methanol using a rapid residual oil extractor R-11 (manufactured by Tokai Keiki Co., Ltd.), and the non-volatile content (W2) of the water permeability imparting agent was determined.
  • providing agent was calculated
  • C W2 / W1 ⁇ 100 (%)
  • Component a1 Maleate ester of polyoxyethylene (10 mol) stearyl ether
  • Component a2 Maleate ester of polyoxyethylene (10 mol) C14-60 alkyl ether component b1: Lauryl phosphate potassium salt
  • Component b2 Tridecyl phosphate potassium salt
  • Component b3 Polyoxyethylene 2 mol cetyl phosphate potassium salt component c1: Isooctyl palmitate component c2: Isooctyl stearate component d 1 1: Dioctyl alkyl sulfosuccinate sodium salt component d 1 2: Ditridecyl sulfosuccinate sodium salt component d 2 1: polyoxyethylene (20 moles) Custer blocked the ester component in 1 mole of the hydroxyl groups 1 molar equivalent per equivalent of stearic acid maleic acid condensation of wax d 2 2: polyoxyethylene ( 0 mole) to 1 mole of the hydroxyl groups capped
  • Component b4 Stearyl phosphate potassium salt
  • Component f1 Cationic compound obtained by reacting epichlorohydrin of polyoxyethylene behenate diethylenetriamine (number of polyoxyethylene groups: 15)
  • Component f2 Polyoxyethylene (10 mol) behenic acid diethanolamide
  • Component f3 Polyoxyethylene (20 mol) castor wax maleic acid condensate (unsealed product)
  • the water-permeable fibers supplied with the water-permeability imparting agent of Examples 1 to 10 have good card passing properties, and the instantaneous water permeability, durable water permeability and liquid of the water-permeable nonwoven fabric are excellent. The return amount was small and good. Furthermore, it passed the cytotoxicity test. If this water permeability imparting agent is added, the fiber can be given instant water permeability, durable water permeability, and liquid return prevention property, and further the irritation to the skin can be reduced, confirming the effect of the present invention. . On the other hand, as is apparent from Table 4, Comparative Examples 1 to 11 that deviate from these component composition ranges could not satisfy all necessary characteristics.
  • the water permeability imparting agent of the present invention is effective when imparting water permeability to hydrophobic synthetic fibers.
  • the water-permeable fiber of the present invention has excellent permeability in the carding process, and the obtained nonwoven fabric has both instantaneous water permeability, durable water permeability and liquid return prevention properties, and is excellent in safety. Is. Therefore, the water-permeability imparting agent and water-permeable fiber of the present invention are effective for producing a high-quality nonwoven fabric.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

L'invention porte sur un agent de communication de perméabilité vis-à-vis de l'eau extrêmement sûre, lequel agent produit des fibres avec d'excellentes propriétés de passage de cardeuse dans une étape de cardage durant la production d'un tissu non-tissé, et permet au tissu non-tissé résultant d'avoir une perméabilité à l'eau instantanée, une perméabilité à l'eau à long terme et des propriétés de prévention de retour de liquide en même temps. Il est décrit de façon spécifique un agent de communication de perméabilité vis-à-vis de l'eau qui contient un composé polyéther-polyester (A) représenté par la formule générale (1) comme ingrédient essentiel. (Dans la formule, R1 et R3 représentent chacun de façon indépendante un résidu qui est obtenu par retrait d'un groupe OH à partir d'un alcool aliphatique monohydrique; AO représente un groupe oxyalkylène ayant de 2 à 4 atomes de carbone; a et b représentent chacun de façon indépendante un entier de 2 à 100; et R2 représente un groupe organique divalent).
PCT/JP2010/060702 2009-07-09 2010-06-24 Agent de communication de perméabilité vis-à-vis de l'eau, fibre perméable à l'eau sur laquelle est appliqué l'agent de communication de perméabilité vis-à-vis de l'eau, et procédé pour produire un tissu non-tissé WO2011004713A1 (fr)

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JP2013517392A (ja) * 2010-01-12 2013-05-16 ファイバーウェブ，インコーポレイテッド 表面処理された不織布
JP2012102424A (ja) * 2010-11-09 2012-05-31 Matsumoto Yushi Seiyaku Co Ltd 透水性付与剤、それが付着した透水性繊維および不織布の製造方法
WO2012169508A1 (fr) * 2011-06-06 2012-12-13 Ｅｓファイバービジョンズ株式会社 Fibre hydrophile durable ayant une excellente solidité de couleur et fibre moulée et article absorbant la comprenant
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CN103641747A (zh) * 2013-12-10 2014-03-19 江南大学 一种硬脂醇聚氧乙烯(5)醚琥珀酸双酯磺酸钠的超声-微波合成方法
CN103641747B (zh) * 2013-12-10 2015-11-25 江南大学 一种硬脂醇聚氧乙烯(5)醚琥珀酸双酯磺酸钠的超声-微波合成方法
JP2018123465A (ja) * 2017-02-02 2018-08-09 竹本油脂株式会社 合成繊維用処理剤、合成繊維の処理方法、合成繊維及び不織布の製造方法
CN110892108A (zh) * 2017-07-12 2020-03-17 三吉油脂株式会社 无纺布用纤维处理剂和使用了该无纺布用纤维处理剂的无纺布
CN110892108B (zh) * 2017-07-12 2022-10-25 三吉油脂株式会社 无纺布用纤维处理剂和使用了该无纺布用纤维处理剂的无纺布
KR20210152001A (ko) 2019-06-13 2021-12-14 다케모토 유시 가부시키 가이샤 합성 섬유용 처리제 및 합성 섬유
WO2021153363A1 (fr) * 2020-01-30 2021-08-05 松本油脂製薬株式会社 Agent conférant une perméabilité à l'eau et son utilisation
JP2021152237A (ja) * 2020-03-18 2021-09-30 三洋化成工業株式会社 軟便透過性付与剤、繊維、不織布及び吸水性物品

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