WO2016002476A1 - Agent de traitement de fibres, fibre perméable à l'eau sur lequel est fixée ce dernier et procédé de production de tissu non tissé - Google Patents

Agent de traitement de fibres, fibre perméable à l'eau sur lequel est fixée ce dernier et procédé de production de tissu non tissé Download PDF

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Publication number
WO2016002476A1
WO2016002476A1 PCT/JP2015/066989 JP2015066989W WO2016002476A1 WO 2016002476 A1 WO2016002476 A1 WO 2016002476A1 JP 2015066989 W JP2015066989 W JP 2015066989W WO 2016002476 A1 WO2016002476 A1 WO 2016002476A1
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WIPO (PCT)
Prior art keywords
component
fiber
acid
weight
treatment agent
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PCT/JP2015/066989
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English (en)
Japanese (ja)
Inventor
裕志 小南
英利 北口
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Matsumoto Yushi Seiyaku Co Ltd
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Matsumoto Yushi Seiyaku Co Ltd
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Priority to JP2016531231A priority Critical patent/JP6863741B2/ja
Publication of WO2016002476A1 publication Critical patent/WO2016002476A1/fr
Anticipated expiration legal-status Critical
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • 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
    • D06M13/10—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 oxygen
    • D06M13/144—Alcohols; Metal alcoholates
    • D06M13/148—Polyalcohols, e.g. glycerol or glucose
    • 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
    • D06M13/10—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 oxygen
    • D06M13/165—Ethers
    • D06M13/17—Polyoxyalkyleneglycol ethers
    • 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
    • D06M13/10—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 oxygen
    • D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
    • 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

Definitions

  • the present invention relates to a fiber treatment agent, a water-permeable fiber to which it is attached, and a method for producing a nonwoven fabric.
  • absorbent articles such as sanitary products such as disposable diapers and synthetic napkins are hydrophilic to various non-woven fabrics mainly composed of fibers (polyolefin fibers, polyester fibers, etc.) containing at least one thermoplastic resin. It has a structure formed by three layers in which a top sheet provided, a back sheet provided with water repellency, and a material made of cotton-like pulp or a polymer absorber are disposed between the top sheet and the back sheet. There are many cases. Liquids such as urine and body fluid pass through the top sheet and are absorbed by the absorber, but the top sheet has good water permeability, that is, until the liquid is completely absorbed by the internal absorber from the top sheet.
  • An object of the present invention is to provide a fiber treatment agent capable of imparting excellent instantaneous water permeability and durable water permeability to fibers, maintaining these effects even after aging, and imparting excellent card passability, and the fiber treatment It is in providing the manufacturing method of the water-permeable fiber to which the agent was made to adhere, and the water-permeable fiber using this water-permeable fiber.
  • the present inventors have found that an instant water permeation is excellent for fibers as long as the fiber treatment agent contains an anionic surfactant and has a specific electrical conductivity.
  • the present invention has been completed by discovering that the properties and durability of water permeability can be imparted, those effects can be maintained even after lapse of time, and excellent card passability can be imparted.
  • the fiber treatment agent according to the present invention is a fiber treatment agent containing an anionic surfactant, and the electrical conductivity when the non-volatile concentration of the fiber treatment agent is 1 wt% by adding ion exchange water ( 25 ° C.) is 1300 to 3000 ⁇ S / cm.
  • the weight ratio of the anionic surfactant in the nonvolatile content of the fiber treatment agent is preferably 50% by weight or more.
  • the anionic surfactant preferably includes the following component (A), component (B) and component (C).
  • Component (A) Phosphate ester salt having a hydrocarbon group having 6 to 10 carbon atoms and / or polyoxyalkylene group-containing phosphate ester salt having a hydrocarbon group having 6 to 10 carbon atoms
  • Component (B) Carbon number Phosphate ester salt having 11 to 22 hydrocarbon groups and / or polyoxyalkylene group-containing phosphate ester salt component having a hydrocarbon group having 11 to 22 carbon atoms
  • Component (C) sulfosuccinic acid diester salt
  • the total ratio of the component (A), the component (B) and the component (C) in the entire anionic surfactant is preferably more than 75% by weight.
  • the weight ratio of the component (A) in the non-volatile content of the fiber treatment agent is preferably more than 20% by weight.
  • the fiber treatment agent of the present invention includes a nonionic surfactant (D1) having two or more terminal hydroxyl groups and a molecular weight of 500 or more, a polyoxyalkylene group-containing hydroxy fatty acid polyhydric alcohol ester and a dicarboxylic acid (or dicarboxylic acid). It is preferable to further include at least one component (D) selected from a condensate (D2) with a derivative) and an ester (D3) obtained by blocking at least one hydroxyl group of the condensate (D2) with a fatty acid.
  • the fiber treatment agent of the present invention is preferably used for synthetic fibers for producing nonwoven fabrics.
  • the water-permeable fiber of the present invention is obtained by adhering the above-mentioned fiber treatment agent to a synthetic fiber for producing a nonwoven fabric.
  • the method for producing a nonwoven fabric of the present invention includes a step of accumulating the above-mentioned water-permeable fibers to produce a fiber web and heat-treating the obtained fiber web.
  • the fiber treatment agent of the present invention can impart excellent instantaneous water permeability and durable water permeability to fibers, and those effects can be maintained even after aging, and excellent card passability can also be imparted.
  • the water permeable fiber to which the fiber treating agent of the present invention is attached has excellent instantaneous water permeability, durable water permeability, and card permeability, and the effects of instantaneous water permeability and durable water permeability are maintained even after aging.
  • the method for producing a nonwoven fabric of the present invention it is possible to obtain a nonwoven fabric that has excellent instantaneous water permeability and durable water permeability, and that maintains the effect of instantaneous water permeability and durable water permeability even after lapse of time.
  • the fiber treatment agent of the present invention is a fiber treatment agent containing an anionic surfactant and having a specific electrical conductivity. Details will be described below.
  • an anionic surfactant contains the above-mentioned component (A), component (B), and component (C).
  • component (A), component (B), and component (C) contains the above-mentioned component (A), component (B), and component (C).
  • Component (A) is a component composed of a phosphate ester salt having a hydrocarbon group having 6 to 10 carbon atoms and / or a polyoxyalkylene group-containing phosphate ester salt having a hydrocarbon group having 6 to 10 carbon atoms.
  • Component (A) may be used alone or in combination of two or more.
  • the component (A) is preferably at least one selected from a compound represented by the following general formula (1) and a compound represented by the following general formula (2), and a compound represented by the following general formula (1) And a compound represented by the following general formula (2) are more preferable.
  • R 1 is a hydrocarbon group having 6 to 10 carbon atoms
  • a 1 O is an oxyalkylene group having 2 to 4 carbon atoms
  • m is an integer of 0 to 15
  • N is an integer of 1 to 2.
  • M 1 is a hydrogen atom, an alkali metal or a group represented by NR a R b R c R d R a , R b , R c and R d are Each independently represents a hydrogen atom, an alkyl group, a hydroxyalkyl group or a polyoxyalkylene group
  • Q 1 is M 1 or R 1 O (A 1 O) m
  • Y is 1 or 2; )
  • R 1 is a hydrocarbon group having 6 to 10 carbon atoms.
  • the hydrocarbon group include an alkyl group and an alkenyl group.
  • R 1 preferably has 6 to 9 carbon atoms, more preferably 6 to 8 carbon atoms. If the carbon number of R 1 is less than 6, instantaneous water permeability may be insufficient. On the other hand, if R 1 has more than 10 carbon atoms, instantaneous water permeability and antistatic properties may be insufficient.
  • the carbon number of R 1 may be distributed, R 1 may be linear or branched, and may be saturated or unsaturated.
  • a 1 O is an oxyalkylene group having 2 to 4 carbon atoms.
  • M which is the number of repeating oxyalkylene units, is an integer from 0 to 15, preferably from 0 to 10, more preferably from 0 to 3, particularly preferably when m is 0 and no polyoxyalkylene group is contained.
  • a 1 O) m is preferably a polyoxyalkylene group having 50 mol% or more of oxyethylene units as oxyalkylene units.
  • n is an integer of 1 to 2.
  • the component (A) is a diphosphate ester.
  • the two organic groups [R 1 O (A 1 O) m ] — constituting the diphosphate ester may be the same or different.
  • M 1 is a hydrogen atom, an alkali metal or a group represented by NR a R b R c R d .
  • the alkali metal include lithium, sodium, and potassium.
  • R a , R b , R c and R d are each independently a hydrogen atom, an alkyl group, a hydroxyalkyl group or a polyoxyalkylene group.
  • the alkyl group preferably has 1 to 8 carbon atoms, more preferably 1 to 4 carbon atoms, and still more preferably 1 to 2 carbon atoms.
  • the number of carbon atoms of the hydroxyalkyl group is preferably 1-8, more preferably 1-4, and even more preferably 1-2.
  • Examples of the polyoxyalkylene group include those similar to (A 1 O) m in the general formula (1).
  • Examples of the group represented by NR a R b R c R d include an ammonium group, a methyl ammonium group, an ethyl ammonium group, a propyl ammonium group, a butyl ammonium group, a hexyl ammonium group, an octyl ammonium group, a dimethyl ammonium group, and a diethyl ammonium group.
  • M 1 includes ammonium group, methylammonium group, ethylammonium group, propylammonium group, butylammonium group, dimethanolammonium group, diethanolammonium group, dipropanolammonium group, dibutanol.
  • An ammonium group, a trimethanol ammonium group, a triethanol ammonium group, a tripropanol ammonium group, and a tributanol ammonium group are preferable, and an ammonium group, a dimethanol ammonium group, a diethanol ammonium group, a trimethanol ammonium group, and a triethanol ammonium group are more preferable.
  • the component (A) is a hexyl phosphate potassium salt, an octyl phosphate potassium salt, a decyl phosphate potassium salt, a polyoxyethylene 2 mol addition octyl phosphate potassium salt, a polyoxyethylene from the point that the effects of the present invention can be further exhibited.
  • 3 mol addition decyl phosphate diethanolammonium salt is preferable, and octyl phosphate potassium salt and hexyl phosphate potassium salt are more preferable.
  • pyrophosphate ester compound represented by Y 1 in general formula (2)
  • the pyrophosphate ester compound and the triphosphate ester compound may be simply referred to as polyester (A3).
  • the proportion by weight of the monoester (A1) in the component (A) is preferably 20 to 80% by weight, more preferably 23 to 60% by weight, and even more preferably 25 to 50% by weight.
  • the weight ratio of the diester (A2) in the component (A) is preferably 10 to 60% by weight, more preferably 20 to 55% by weight, and further preferably 30 to 50% by weight. When the weight ratio is less than 10% by weight, the durable water permeability may be deteriorated. In addition, in the manufacturing method of a normal component (A), the weight ratio of the diester (A2) to a component (A) never exceeds 60 weight%.
  • the weight ratio of the polyester (A3) in the component (A) is preferably 0 to 45% by weight, more preferably 5 to 43% by weight, and further preferably 10 to 40% by weight. When the weight ratio exceeds 45% by weight, instantaneous water permeability may be deteriorated.
  • the production method of the component (A) includes a step (I) in which an organic hydroxyl compound represented by R 1 O (A 1 O) m H is reacted with phosphoric anhydride P 2 O 5 to obtain a reaction product. .
  • the reaction may be carried out by adding inorganic phosphoric acid or water.
  • the production method of component (A) may include a step (II) in which water is added to the reaction product and hydrolyzed after the step (I). By including the step (II), the ratio of the polyphosphate ester contained in the component (A) that is an organic phosphate compound can be adjusted.
  • the amount of water added to the reaction product is preferably 0.01 to 1 mol, more preferably 0.03 to 0.8 mol, and even more preferably 0.05 to 0.5 mol with respect to the organic hydroxyl compound.
  • the amount is preferably 0.07 to 0.3 mol. If the amount of water added is less than 0.01 mol or more than 1 mol, it may be difficult to adjust the amount of polyester.
  • a method for producing the component (A) after step (I) or step (II), preferably includes the step (III) neutralizing with alkaline compounds with M 1.
  • the amount of the alkali compound is preferably 0.3 to 2 mol, more preferably 0.4 to 1.8, still more preferably 0.5 to 1.7, and more preferably 0.6 to 1.6, based on the hydroxy compound.
  • the degree of neutralization can be measured by the acid value.
  • the acid value of component (A) is preferably 80 KOH mg / g or less, more preferably 70 KOH mg / g or less, still more preferably 50 KOH mg / g or less, and particularly preferably 10 to 40 KOH mg / g.
  • an acid value represents the measured value in the component (A) independent which does not contain other components, such as water.
  • Component (A) and component (B) to be described later contain a heavy metal compound such as arsenic as a source of impurities in phosphoric anhydride or inorganic phosphorus.
  • the fiber treatment agent of the present invention may contain a heavy metal compound such as arsenic.
  • the weight ratio of the heavy metal compound to the non-volatile content of the fiber treatment agent is preferably 0.01% by weight or less, more preferably 0.005% by weight or less, from the viewpoints of influence on the human body and environmental safety. More preferably, it is 001% by weight or less.
  • component (X) inorganic phosphoric acid and / or a salt thereof
  • the fiber treatment agent of the present invention may contain a component (X).
  • the weight ratio of the component (X) in the nonvolatile content of the fiber treatment agent is preferably 5% by weight or less, more preferably 4% by weight or less, and still more preferably 3% by weight or less from the viewpoint of card passing property.
  • the weight proportion of the monophosphate ester (A1), diphosphate ester (A2) and polyphosphate ester (A3) in component (A), and the weight proportion of component (X) are the integrals of the phosphorus atom-derived peak in 31P-NMR. It can be calculated from the ratio.
  • Component (B) is a component composed of a phosphate ester salt having a hydrocarbon group having 11 to 22 carbon atoms and / or a polyoxyalkylene group-containing phosphate ester salt having a hydrocarbon group having 11 to 22 carbon atoms.
  • Component (B) may be used alone or in combination of two or more.
  • the component (B) is preferably at least one selected from a compound represented by the following general formula (3) and a compound represented by the following general formula (4), and is represented by the following general formula (3). More preferably, both the compound and the compound represented by the following general formula (4) are included.
  • R 2 is a hydrocarbon group having 11 to 22 carbon atoms
  • a 2 O is an oxyalkylene group having 2 to 4 carbon atoms
  • p is an integer of 0 to 15
  • q is 1 to M 2 is a hydrogen atom, an alkali metal or a group represented by NR a R b R c R d
  • R a , R b , R c and R d are each independently hydrogen An atom, an alkyl group, a hydroxyalkyl group or a polyoxyalkylene group
  • Q 2 is M 2 or R 2 O (A 2 O) p
  • Z is 1 or 2
  • R 2 is a hydrocarbon group having 11 to 22 carbon atoms.
  • the hydrocarbon group include an alkyl group and an alkenyl group.
  • R 2 preferably has 11 to 18 carbon atoms, more preferably 12 to 14 carbon atoms.
  • durable water permeability may be insufficient.
  • instantaneous water permeability and antistatic properties may be insufficient.
  • the carbon number of R 2 may be distributed, R 2 may be linear or branched, and may be saturated or unsaturated.
  • a 2 O is an oxyalkylene group having 2 to 4 carbon atoms.
  • P which is the number of repeating oxyalkylene units, is an integer of 0 to 15, preferably 0 to 10, more preferably 0 to 3, particularly preferably p is 0 and no polyoxyalkylene group is contained.
  • a 2 O) p is preferably a polyoxyalkylene group having 50 mol% or more of oxyethylene units as oxyalkylene units.
  • q is an integer of 1 to 2.
  • the component (B) is a diphosphate ester.
  • the two organic groups [R 2 O (A 2 O) p ] — constituting the diphosphate ester may be the same or different.
  • M 2 is a hydrogen atom, an alkali metal, or a group represented by NR a R b R c R d .
  • R a , R b , R c and R d are each independently a hydrogen atom, an alkyl group, a hydroxyalkyl group or a polyoxyalkylene group. Specific examples of M 2 include the same as those described for M 1 .
  • the component (B) includes lauryl phosphate potassium salt, myristyl phosphate potassium salt, cetyl phosphate potassium salt, stearyl phosphate potassium salt, behenyl phosphate potassium salt, polyoxyethylene 2 because the effects of the present invention can be further exhibited.
  • Mole addition cetyl phosphate potassium salt, polyoxyethylene 3 mol addition lauryl phosphate diethanolammonium salt, polyoxyethylene 3 mol addition lauryl phosphate triethanolammonium salt are preferred, and lauryl phosphate potassium salt is more preferred.
  • the pyrophosphate ester compound and the triphosphate ester compound may be simply referred to as polyester (B3).
  • the proportion by weight of the monoester (B1) in the component (B) is preferably 20 to 95% by weight, more preferably 40 to 93% by weight, and still more preferably 60 to 90% by weight.
  • the weight ratio of the diester (B2) in the component (B) is preferably 8 to 60% by weight, more preferably 9 to 45% by weight, and further preferably 10 to 30% by weight. When the weight ratio is less than 8% by weight, the durable water permeability may be deteriorated. In addition, in the manufacturing method of a normal component (B), the weight ratio of the diester (B2) to a component (B) never exceeds 60 weight%.
  • the weight ratio of the polyester (B3) in the component (B) is preferably 0 to 45% by weight, more preferably 0 to 30% by weight, and further preferably 0 to 15% by weight. When the weight ratio exceeds 45% by weight, instantaneous water permeability may be deteriorated.
  • the method for producing component (B) includes a step (I) in which an organic hydroxyl compound represented by R 2 O (A 2 O) p H is reacted with phosphoric anhydride P 2 O 5 to obtain a reaction product. .
  • the reaction may be carried out by adding inorganic phosphoric acid or water.
  • the production method of component (B) may include a step (II) of adding water to the reaction product and hydrolyzing after the step (I). By including the step (II), the ratio of the polyester contained in the component (B) which is an organic phosphoric acid compound can be adjusted.
  • the amount of water added to the reaction product is preferably 0.01 to 1 mol, more preferably 0.03 to 0.8 mol, and even more preferably 0.05 to 0.5 mol with respect to the organic hydroxyl compound.
  • the amount is preferably 0.07 to 0.3 mol. If the amount of water added is less than 0.01 mol or more than 1 mol, it may be difficult to adjust the amount of polyester.
  • a method for producing the component (B) after step (I) or step (II), preferably includes the step (III) neutralizing with alkaline compound having a M 2.
  • the amount of the alkali compound is preferably 0.3 to 2 mol, more preferably 0.4 to 1.8, still more preferably 0.5 to 1.7, and more preferably 0.6 to 1.6, based on the hydroxy compound. Is more preferable.
  • the degree of neutralization can be measured by the acid value.
  • the acid value of component (B) is preferably 80 KOH mg / g or less, more preferably 70 KOH mg / g or less, still more preferably 60 KOH mg / g or less, and particularly preferably 10 to 55 KOH mg / g.
  • an acid value represents the measured value of the component (B) independent which does not contain other components, such as water.
  • component (X) inorganic phosphoric acid and / or a salt thereof (component (X)) is generated as a by-product.
  • the weight ratio of the monoester (B1), diester (B2) and polyester (B3) in the component (B), and the weight ratio of the component (X) can be calculated from the integral ratio of the phosphorus atom peak in 31P-NMR. it can.
  • Component (C) is a sulfosuccinic acid diester salt.
  • the sulfosuccinic acid diester salt refers to a diester of succinic acid having a sulfonate group at the ⁇ -position.
  • the hydrocarbon group constituting the diester include an alkyl group and an alkenyl group.
  • the number of carbon atoms of the hydrocarbon group is preferably 6 to 22, more preferably 8 to 20, still more preferably 12 to 18, and particularly preferably 12 to 18. When the carbon number is less than 6, the durable water permeability may be insufficient. On the other hand, when the number of carbon atoms exceeds 22, instantaneous water permeability may be insufficient.
  • the carbon number of the hydrocarbon group may be distributed, and the alkyl group may be linear or branched.
  • the hydrocarbon groups constituting the diester may be the same or different.
  • Component (C) may be used alone or in combination of two or more.
  • Examples of the sulfonate include alkali metal salts such as sodium salt and potassium salt, ammonium salt, amine salt and the like. Among these, from the viewpoint of imparting water permeability, alkali metal salts are preferable, and sodium salts are more preferable.
  • component (C) examples include dihexyl sulfosuccinate sodium salt, dioctyl sulfosuccinate sodium salt, di-2-ethylhexyl sulfosuccinate sodium salt, didecyl sulfosuccinate sodium salt, dilauryl sulfosuccinate sodium salt, dilauryl sulfosuccinate sodium salt, Isopropyl alkyl sulfosuccinate sodium salt, ditridecyl sulfosuccinate sodium salt, dimyristyl sulfosuccinate sodium salt, dicetyl sulfosuccinate sodium salt, distearyl sulfosuccinate sodium salt, dieicosyl sulfosuccinate sodium salt, etc. Can be mentioned.
  • the three components of component (A), component (B) and component (C) account for more than 75% by weight of the whole anionic surfactant.
  • the total proportion of component (A), component (B) and component (C) in the entire anionic surfactant ((A + B + C) / total anionic surfactant) is more than 75% by weight. It is preferably 85% by weight or more, more preferably 95% by weight or more.
  • An anionic surfactant may contain the following component (E) in the range which does not inhibit the effect of this invention. However, if the content exceeds a predetermined ratio, the antistatic property and the instantaneous water permeability may be reduced. From such a viewpoint, the weight ratio of the component (E) in the whole anionic surfactant is preferably less than 25% by weight, more preferably 15% by weight or less, further preferably 5% by weight or less, and particularly preferably 0% by weight. preferable.
  • Component (E) Alkyl sulfate having an alkyl group having 8 to 22 carbon atoms and / or alkenyl sulfate having an alkenyl group having 8 to 22 carbon atoms
  • the anionic surfactant may contain other anionic surfactants other than the components described above as long as the effects of the present invention are not impaired.
  • Other anionic surfactants include caprylate, caprate, laurate, myristate, palmitate, stearate, behenate, oleate and other carboxylates, hexyl sulfate sodium salt, etc.
  • the fiber treatment agent of the present invention has a nonionic surfactant (D1) having two or more terminal hydroxyl groups and a molecular weight of 500 or more, and a polyoxyalkylene group-containing hydroxy fatty acid from the viewpoint of imparting excellent durable water permeability.
  • D) is further included.
  • Nonionic surfactant (D1)) Nonionic surfactants (D1) having two or more terminal hydroxyl groups and a molecular weight of 500 or more include alkylene oxide adducts of dihydric alcohols, alkylene oxide adducts of trihydric or higher polyhydric alcohols, trivalents. Examples include compounds obtained by esterifying a part of the terminal hydroxyl groups of the above alkylene oxide adducts of polyhydric alcohols with fatty acids, alkylene oxide adducts of dicarboxylic acids, polyglycerin fatty acid ester compounds, and the like.
  • the nonionic surfactant (D1) excludes the condensate (D2) and the ester (D3).
  • the dihydric alcohol is not particularly limited, and examples thereof include a divalent aliphatic alcohol and a divalent aromatic alcohol. There may be a distribution in the carbon number of the divalent aliphatic alcohol. Moreover, it may be saturated or unsaturated, may be linear, and may have a branch.
  • the carbon number of the divalent aliphatic alcohol is preferably 3 to 22, more preferably 3 to 18, still more preferably 6 to 18, and particularly preferably 6 to 18.
  • divalent aliphatic alcohol examples include propanediol, butanediol, pentanediol, hexanediol, heptanediol, octanediol, nonanediol, decanediol, undecanediol, dodecanediol, tridecanediol, tetradecanediol, and pentadecanediol.
  • the alkylene oxide adduct of a dihydric alcohol preferably has 2 to 4 carbon atoms.
  • the order of addition is not particularly limited, and the addition form may be either a block form or a random form.
  • the number of moles of alkylene oxide added is preferably 10 to 150, more preferably 10 to 50, particularly preferably 10 to 40, and most preferably 10 to 30.
  • the trihydric or higher polyhydric alcohol is not particularly limited, and examples thereof include polyols such as glycerin, trimethylolpropane, sorbitol, sorbitan, pentaerythritol, and sucrose.
  • the alkylene oxide adduct of a polyhydric alcohol preferably has 2 to 4 carbon atoms.
  • the order of addition is not particularly limited, and the addition form may be either a block form or a random form.
  • the number of moles of alkylene oxide added is preferably 10 to 150, more preferably 10 to 50, particularly preferably 10 to 40, and most preferably 10 to 30.
  • the carbon number of fatty acids may be distributed.
  • the fatty acid may be saturated or unsaturated, may be linear, and may have a branch.
  • 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, montan An acid, a mellic acid, etc. are mentioned.
  • the unsaturated fatty acid include oleic acid, elaidic acid, erucic acid, linoleic acid, linolenic acid, and the like.
  • the carbon number of the aliphatic dicarboxylic acid may be distributed. Moreover, it may be saturated or unsaturated, may be linear, and may have a branch.
  • the carbon number of the aliphatic dicarboxylic acid is preferably 3 to 22, more preferably 4 to 20, still more preferably 5 to 19, and particularly preferably 6 to 18.
  • Examples of the aliphatic dicarboxylic acid include malonic acid, succinic acid, glutamic acid, adipic acid, heptanedicarboxylic acid, octanedicarboxylic acid, nonanedicarboxylic acid, decanedicarboxylic acid, undecanedicarboxylic acid, dodecanedicarboxylic acid, tridecanedicarboxylic acid, Examples include detradecane dicarboxylic acid, pentadecane dicarboxylic acid, hexadecane dicarboxylic acid, heptadecane dicarboxylic acid, octadecane dicarboxylic acid, nanodecane dicarboxylic acid, icosane dicarboxylic acid, heicosane dicarboxylic acid, and docosane dicarboxylic acid.
  • the aromatic dicarboxylic acid examples include terephthalic acid, isophthalic acid, phthalic acid, and naphthalenedicarboxylic acid.
  • the alkylene oxide adduct of dicarboxylic acid the alkylene oxide preferably has 2 to 4 carbon atoms.
  • the order of addition is not particularly limited, and the addition form may be either a block form or a random form.
  • the number of moles of alkylene oxide added is preferably 10 to 150, more preferably 10 to 50, particularly preferably 10 to 40, and most preferably 10 to 30.
  • the polyglycerin fatty acid ester is a compound obtained by esterifying a glycerin condensate and a fatty acid.
  • glycerin condensates include diglycerin, triglycerin, tetraglycerin, pentaglycerin, hexaglycerin, heptaglycerin, octaglycerin, nonaglycerin, decaglycerin, undecaneglycerin, tridecaglycerin, detradecaglycerin, pentadecaglycerin. , Hexadecaglycerin, heptadecaglycerin, octadecaglycerin and the like.
  • the fatty acid may be saturated or unsaturated, may be linear, and may have a branch.
  • 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, montan An acid, a mellic acid etc. are mentioned.
  • the unsaturated fatty acid include oleic acid, elaidic acid, erucic acid, linoleic acid, linolenic acid, and the like.
  • the condensate (D2) is a condensate of polyoxyalkylene group-containing hydroxy fatty acid polyhydric alcohol ester (hereinafter sometimes referred to as polyhydroxy ester) and dicarboxylic acid (or dicarboxylic acid derivative).
  • 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. Is preferred.
  • 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 amount of liquid return of the absorbent article may increase, which is not preferable.
  • the proportion of ethylene oxide in the alkylene oxide is preferably 50 mol% or more, more preferably 80 mol% or more. When the proportion of ethylene oxide is less than 50 mol%, the hydrophobicity becomes strong, so that sufficient durable water permeability of fibers and nonwoven fabrics 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 condensate
  • the ester (D3) is an ester obtained by blocking at least one hydroxyl group with a fatty acid in the above-described condensate (D2).
  • the number of carbon atoms of the fatty acid to be blocked is preferably 10 to 50, more preferably 12 to 36. Further, when the number of carbon atoms of the fatty acid is less than 10, the hydrophilicity becomes strong and sufficient durable water permeability of the fiber or the nonwoven fabric 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.
  • fatty acids examples 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, lanolin fatty acid and the like.
  • 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.
  • the fiber treatment agent of the present invention contains an anionic surfactant and has an electric conductivity (25 ° C.) of 1300 to 3000 ⁇ S / cm when the non-volatile concentration of the fiber treatment agent is 1 wt% by adding ion exchange water. It is.
  • an anionic surfactant and making the electric conductivity within a specific range, it is possible to impart excellent instantaneous water permeability and durable water permeability to the fiber, and these effects are maintained even after aging.
  • excellent card passability can be imparted.
  • the mechanism of action is not clear, but there is a correlation in which the antistatic property becomes better as the electric conductivity increases.
  • the fiber treatment agent whose electric conductivity is in the above range is less likely to penetrate into the inside of the hydrophobic fiber, and is presumed to exhibit excellent hydrophilicity even after aging.
  • the electrical conductivity is less than 1300 ⁇ S / cm, the antistatic property is insufficient, the card passing property is deteriorated, and the instantaneous water permeability is also reduced. In addition, these effects cannot be sustained even after elapse of time.
  • the electrical conductivity is more than 3000 ⁇ S / cm, the durable water permeability is insufficient and the card passing property is also deteriorated.
  • the electrical conductivity is preferably 1300 to 2000 ⁇ S / cm, more preferably 1350 to 1800 ⁇ S / cm, and further preferably 1400 to 1700 ⁇ S / cm.
  • the non-volatile content of the fiber treatment agent of the present invention means a component in the fiber treatment agent remaining on the fiber surface even after the heat drying step for removing moisture and the like, and the fiber treatment agent is heat treated at 105 ° C. It means a component that has been removed without volatilization when it reaches a constant weight after removing volatile components such as water and solvent.
  • the electrical conductivity used in the present invention is the electrical conductivity of a solution prepared by adding ion-exchanged water to the fiber treatment agent so that the nonvolatile content concentration is 1% by weight. The temperature is measured with an electric conductivity meter.
  • the weight ratio of the anionic surfactant (whole) in the nonvolatile content of the fiber treatment agent is preferably 50% by weight or more, more preferably 50 to 90% by weight, still more preferably 50 to 80% by weight, and 55 to 70% by weight. Is particularly preferred.
  • the weight ratio of the anionic surfactant is less than 50% by weight, the card passing property is deteriorated, and the instantaneous water permeability and the durable water permeability after time may be insufficient.
  • the weight ratio of the component (A) in the non-volatile content of the fiber treatment agent is preferably more than 20% by weight, more preferably 21 to 40% by weight, further preferably 23 to 35% by weight, and particularly preferably 25 to 35% by weight. .
  • the weight ratio of the component (A) is 20% by weight or less, instantaneous water permeability and antistatic property may be insufficient.
  • the weight ratio of the component (B) in the non-volatile content of the fiber treatment agent is preferably 10 to 60% by weight, more preferably 11 to 50% by weight, further preferably 13 to 40% by weight, and particularly preferably 15 to 30% by weight. preferable.
  • the weight ratio of the component (B) is less than 10% by weight, the antistatic property may be insufficient or the web may be deteriorated in the card process.
  • the weight ratio of the component (B) is more than 60% by weight, instantaneous water permeability and durable water permeability may be insufficient.
  • the proportion of the component (C) in the non-volatile content of the fiber treatment agent is preferably 3 to 40% by weight, more preferably 3 to 35% by weight, further preferably 4 to 30% by weight, and particularly preferably 5 to 25% by weight. preferable.
  • the weight ratio of the component (C) is less than 3% by weight, the durable water permeability may be insufficient.
  • the weight ratio of the component (C) exceeds 40% by weight, the friction between the fiber and the metal becomes high, and the formation in the card process may be deteriorated.
  • the weight ratio of the component (D) in the non-volatile content of the fiber treatment agent is preferably 5 to 50% by weight, more preferably 10 to 48% by weight, More preferably, it is ⁇ 46 wt%, particularly preferably 25 to 45 wt%.
  • the weight ratio of the component (D) is less than 5% by weight, the durable water permeability may be insufficient.
  • the weight ratio of the component (D) is more than 50% by weight, the durable water permeability after the lapse of time is inferior, and scum may be generated in the card process.
  • the fiber treatment agent of the present invention may contain a polyoxyalkylene-modified silicone as long as the effects of the present invention are not impaired.
  • the weight percentage of the polyoxyalkylene-modified silicone in the nonvolatile content of the fiber treatment agent is less than 20% by weight, Less than 15% by weight, less than 10% by weight, less than 7% by weight, less than 5% by weight, and preferably less than 3% by weight.
  • the polyoxyalkylene-modified silicone has a molecular weight of 1,000 to 100,000 and a Si element content of 5 to 40% by weight.
  • the polyoxyalkylene in the polyoxyalkylene-modified silicone contains polyoxyethylene, polyoxypropylene and the like, and the proportion of polyoxyethylene in the total polyoxyalkylene is 20% by weight or more.
  • the fiber treatment agent of the present invention may contain other surfactants other than those described above as long as the effects of the present invention are not impaired.
  • the surfactant include nonionic surfactants, cationic surfactants, and amphoteric surfactants excluding the component (D).
  • surfactants include alkylene oxide adducts of higher alcohols such as octyl alcohol, decyl alcohol, lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, oleyl alcohol; caprylic acid, capric acid, lauric acid, myristic acid, Alkylene oxide adducts of higher fatty acids such as palmitic acid, stearic acid, behenic acid, oleic acid; higher fatty acid amides and alkylene oxide adducts thereof; octylamine, decylamine, laurylamine, myristylamine, palmitylamine, stearylamine, etc.
  • higher alcohols such as octyl alcohol, decyl alcohol, lauryl alcohol, myristylamine, palmitylamine, stearylamine, etc.
  • Alkylene oxide adduct of higher alkylamine Alkylene oxide adduct of higher alkylamine; monolauric acid glyceride (molecular weight 500 or less), monomyristic acid glyceride (molecular weight 500 or less), monopalmitic acid Riselide (molecular weight 500 or less), monostearic glyceride (molecular weight 500 or less), monooleic acid glyceride (molecular weight 500 or less), sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan monooleate, sorbitan trilaur Polyhydric alcohol fatty acid esters and alkylene oxide adducts such as dioctyldimethylammonium chloride salt, didecyldimethylammonium chloride salt, dilauryldimethylammonium chloride salt, dihydric acid fatty acid ester and its alkylene oxide adducts such as
  • the fiber treatment agent of the present invention may contain water and / or a solvent, if necessary, and preferably contains water.
  • 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 content in the fiber treatment agent when producing the fiber treatment agent is preferably 10 to 60% by weight, and particularly preferably 18 to 50% by weight.
  • the fiber treatment agent of the present invention may further contain an antibacterial agent, an antioxidant, an antiseptic, a matting agent, a pigment, an antirust agent, an fragrance, an antifoaming agent and the like, if necessary.
  • an antibacterial agent such as phosphoric acid and lactic acid, as pH adjustment.
  • the method for producing the fiber treatment agent of the present invention a known method can be adopted.
  • the aqueous solution of component (A) and component (D) are blended as necessary, and stirred at a temperature of about 70 ° C.
  • an aqueous solution and / or a solvent solution of the component (B) and the component (C) are mixed and stirred uniformly at a temperature of about 70 ° C.
  • a fiber treatment agent having a nonvolatile content of 10 to 60% by weight can be obtained.
  • the fiber treatment agent of the present invention can also be expressed as a “water permeability imparting agent” capable of imparting water permeability to fibers.
  • the fiber treatment agent of this invention is used suitably for the synthetic fiber for nonwoven fabric manufacture mentioned later.
  • the water-permeable fiber of the present invention refers to a fiber composed of a synthetic fiber (fiber body) for producing a nonwoven fabric and the fiber treatment agent attached thereto, and is generally a short fiber cut to a predetermined length. .
  • the adhesion rate of the non-volatile content of the fiber treatment 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 is less than 0.1% by weight, the instantaneous water permeability and durable water permeability of the fiber or nonwoven fabric may be lowered.
  • Synthetic fibers for producing nonwoven fabric 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.
  • the synthetic fiber for nonwoven fabric production before the fiber treatment agent is attached can also be referred to as a hydrophobic synthetic fiber.
  • synthetic fibers for producing nonwoven fabrics fiber bodies
  • polyolefin fibers including polyolefin fibers and polyolefin fibers
  • the fiber treatment agent of the present invention is suitable for synthetic fibers for producing nonwoven fabrics such as composite fibers) and polyester fibers (complex fibers including polyester fibers and polyester fibers).
  • 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 fiber treatment agent of the present invention may be adhered to the fiber 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 becomes 0.5 to 5% by weight. You may make it adhere to a main body.
  • the step of attaching the fiber treatment 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 fiber treatment agent of the present invention to the fiber main 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.
  • a method of drying the fiber to which the fiber treatment agent is applied a method of drying with hot air and infrared rays, a method of drying by contacting with a heat source, or the like may be used.
  • 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 a 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 fiber treatment agent of the present invention is particularly suitably 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 heat fusion methods such as thermocompression bonding using a heating roll or ultrasonic waves, heat fusion using heated air, and a thermocompression bonding (point bonding) method.
  • heat-bonding the fiber web in the case of a sheath-core type composite fiber using a high melting point resin for the core and a low melting point resin for the sheath, heat treatment is performed near the melting point of the low melting point resin.
  • thermal bonding of the fiber intersection can be easily performed.
  • a method for producing a nonwoven fabric including a step of thermally bonding a method of integrating short-fibers provided with a fiber treatment agent into a web through a card machine or the like by heat-treating and integrating them as described above, an airlaid method
  • a method of blending with the water-permeable fibers (short fibers) of the present invention when laminating pulp or the like, and joining them by heat treatment as described above is also included.
  • a fiber molded body obtained by a spunbond method, a melt blow method, a flash spinning method, or the like is subjected to heat treatment with a heated roll or heated air or the like to which the fiber treatment agent of the present invention is attached, or a heated roll
  • a method of manufacturing a nonwoven fabric by attaching the fiber treatment agent of the present invention to a material heat-treated with heated air or the like 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, thermal fusion using heated air, and a thermocompression bonding (point bonding) method.
  • a method for applying the fiber treatment agent of the present invention to the obtained spunbonded 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.
  • the amount is not particularly limited as long as the amount can be adjusted for each side.
  • a drying method of the nonwoven fabric provided with the fiber treatment agent a method of drying by hot air and infrared rays, a method of drying by contacting with a heat source, or the like may be used.
  • examples of the liquid that exhibits water permeability include urine, soft stool, mud stool, watery stool, blood, body fluid, and exudate.
  • Applications of the nonwoven fabric of the present invention include disposable diapers for infants, disposable diapers for nursing care, sanitary products, bandages, bandages, disinfecting cloths, surgical tapes, pet excretion sheets, fragrance absorbent cores, liquid insect repellents, etc. Examples include daily use applications such as liquid absorbent cores and cleaning cloths, and food-related applications such as coffee filters and draining sheets.
  • Examples 1 to 11 and Comparative Examples 1 to 9 Each component shown in Tables 1 and 2 and water were mixed to prepare fiber treatment agents of Examples 1 to 11 and Comparative Examples 1 to 9 in which the weight ratio of the non-volatile content in the entire fiber treatment agent was 25% by weight. .
  • the obtained fiber treating agents were each diluted with warm water of about 60 ° C. so that the weight ratio of non-volatile content was 0.9% by weight to obtain a diluted solution.
  • 150 g of a diluted solution of each fiber treatment agent was attached to 300 g of the fiber main body by the dip oiling method, so that the non-volatile content of the fiber treatment agent attached to the water-permeable fiber was 0.45% by weight.
  • the fiber body is a polypropylene (core) -polyethylene (sheath) based composite fiber to which a fiber treatment agent such as a fiber treatment agent is not attached, and has a single fiber fineness of 2.2 Dtex and a fiber length of 38 mm. .
  • the fibers to which the diluted solutions of the respective fiber treatment agents were adhered were placed in a hot air dryer at 80 ° C. for 2 hours, and then allowed to stand at room temperature for 8 hours or more to dry, thereby obtaining water-permeable fibers.
  • the obtained water-permeable fibers were respectively passed through a fiber opening process and a card process using a card testing machine, and webs having a basis weight of 25 g / m 2 were produced.
  • each water-permeable fiber was evaluated for physical properties in the card process (antistatic property, winding of cylinder, presence / absence of scum, formation of web) by the following evaluation method.
  • the obtained web was heat-treated at 135 ° C. in an air-through hot air circulating dryer to fix the web to obtain a nonwoven fabric.
  • the physical property instantaneous water permeability, durable water permeability
  • the disappearance time of artificial urine was measured at 20 places by the instantaneous water permeability test method of the nonwoven fabric, and the number of disappearance time less than 5 seconds was displayed. . If this number is 10 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 preferable that the number of disappearance of artificial urine (the number of places where the disappearance time is less than 5 seconds) is large even if the number of times is repeated.
  • each component in Table 1 is as follows.
  • Component a1: Hexyl phosphate potassium salt (monoester (A1): diester (A2): polyester (A3) 40: 50: 10)
  • Component a2: Polyoxyethylene 1 moldecyl phosphate potassium salt (monoester (A1): diester (A2): polyester (A3) 40: 50: 10)
  • Component b1: Lauryl phosphate potassium salt (monoester (B1): diester (B2): polyester (B3) 70: 28: 2)
  • Component b2: Tridecyl phosphate potassium salt (monoester (B1): diester (B2): polyester (B3) 35: 45: 20)
  • Component b3: Polyoxyethylene 3 mol lauryl phosphate potassium salt monoester (B1): diester
  • Component c1 Dilauryl sulfosuccinate sodium salt
  • Component c2 Ditridecyl sulfosuccinate sodium salt
  • c3 Dioctyl sulfosuccinate sodium salt
  • d1 Polyoxyethylene (20 mol) hydroxyl group of maleic acid condensate of caster wax
  • Component d4 polyoxyethylene (20 mol) sorbitan monooleate (average molecular weight 1300)
  • Component e1 Sodium lauryl sulfate component
  • e2 Sodium oleyl sulfate component
  • POE content rate shows the content rate (weight%) of the polyoxyethylene in polyoxyalkylene.
  • Component f2 polyoxyethylene (5 mol) sec-tridecyl ether (average molecular weight 400)
  • Component x Inorganic potassium phosphate
  • the fiber treatment agent of the present invention is effective when imparting excellent water permeability to fibers.
  • the water-permeable fiber of the present invention has excellent instantaneous water permeability, durable water permeability, and card passage properties, and the effects of instantaneous water permeability and durable water permeability are maintained even after elapse of time. Therefore, the fiber treatment agent and water-permeable fiber of the present invention are effective for producing a high-quality nonwoven fabric.

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Abstract

La présente invention concerne : un agent de traitement de fibres qui peut conférer à des fibres une excellente perméabilité à l'eau instantanée et une perméabilité à l'eau durable, permet à ces effets d'être maintenus même après que du temps se soit écoulé et peut également conférer à des fibres d'excellentes propriétés de passage de carte ; une fibre perméable à l'eau qui présente l'agent de traitement de fibres fixé à celle-ci ; et un procédé de production d'un tissu non tissé utilisant la fibre perméable à l'eau. L'agent de traitement de fibres selon la présente invention contient un tensioactif anionique et peut présenter une conductivité électrique (à 25 °C) de 1 300 à 3 000 µS/cm, lorsque de l'eau à échange d'ions est ajoutée à l'agent de traitement de fibres pour régler la concentration des éléments non volatils dans l'agent de traitement de fibres à 1 % en poids.
PCT/JP2015/066989 2014-06-30 2015-06-12 Agent de traitement de fibres, fibre perméable à l'eau sur lequel est fixée ce dernier et procédé de production de tissu non tissé Ceased WO2016002476A1 (fr)

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Cited By (10)

* Cited by examiner, † Cited by third party
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JP2018084004A (ja) * 2016-11-25 2018-05-31 松本油脂製薬株式会社 透水性付与剤及びその利用
JP2018154942A (ja) * 2017-03-17 2018-10-04 旭化成株式会社 親水性不織布
JP2018154948A (ja) * 2017-03-17 2018-10-04 東邦化学工業株式会社 透水剤
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
KR20200105727A (ko) 2019-01-16 2020-09-08 다케모토 유시 가부시키 가이샤 폴리올레핀계 부직포용 처리제 및 폴리올레핀계 부직포
WO2021251402A1 (fr) * 2020-06-11 2021-12-16 松本油脂製薬株式会社 Agent conférant une perméabilité à l'eau et son utilisation
WO2022054790A1 (fr) * 2020-09-09 2022-03-17 竹本油脂株式会社 Agent de traitement pour fibres synthétiques de polyoléfine, fibres synthétiques de polyoléfine et non-tissé lié thermiquement
JP7055512B1 (ja) 2021-11-02 2022-04-18 竹本油脂株式会社 合成繊維用第１処理剤含有組成物、合成繊維用処理剤の希釈液の調製方法、合成繊維の処理方法、合成繊維の製造方法、及び短繊維の製造方法
JP7736970B1 (ja) * 2024-02-29 2025-09-09 松本油脂製薬株式会社 透水性付与剤及びその利用
JPWO2025197704A1 (fr) * 2024-03-19 2025-09-25

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010070875A (ja) * 2008-09-18 2010-04-02 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
JP2012233273A (ja) * 2011-04-28 2012-11-29 Es Fibervisions Co Ltd 耐変色性が改善された繊維、及びそれで構成されてなる繊維成形体
JP2012251270A (ja) * 2011-06-06 2012-12-20 Es Fibervisions Co Ltd 耐変色性に優れた耐久親水性繊維及びそれで構成されている繊維成形体ならびに吸収性物品

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5277131B2 (ja) * 2009-09-29 2013-08-28 松本油脂製薬株式会社 透水性付与剤、透水性繊維および不織布の製造方法
WO2012169360A1 (fr) * 2011-06-06 2012-12-13 松本油脂製薬株式会社 Agent de perméabilité à l'eau

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010070875A (ja) * 2008-09-18 2010-04-02 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
JP2012233273A (ja) * 2011-04-28 2012-11-29 Es Fibervisions Co Ltd 耐変色性が改善された繊維、及びそれで構成されてなる繊維成形体
JP2012251270A (ja) * 2011-06-06 2012-12-20 Es Fibervisions Co Ltd 耐変色性に優れた耐久親水性繊維及びそれで構成されている繊維成形体ならびに吸収性物品

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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JP2018154942A (ja) * 2017-03-17 2018-10-04 旭化成株式会社 親水性不織布
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KR20200105727A (ko) 2019-01-16 2020-09-08 다케모토 유시 가부시키 가이샤 폴리올레핀계 부직포용 처리제 및 폴리올레핀계 부직포
WO2021251402A1 (fr) * 2020-06-11 2021-12-16 松本油脂製薬株式会社 Agent conférant une perméabilité à l'eau et son utilisation
JP6994612B1 (ja) * 2020-06-11 2022-01-14 松本油脂製薬株式会社 透水性付与剤及びその利用
CN115698420A (zh) * 2020-06-11 2023-02-03 松本油脂制药株式会社 透水性赋予剂及其利用
CN116018433A (zh) * 2020-09-09 2023-04-25 竹本油脂株式会社 聚烯烃系合成纤维用处理剂、聚烯烃系合成纤维、及热粘合无纺布
JP2022045722A (ja) * 2020-09-09 2022-03-22 竹本油脂株式会社 ポリオレフィン系合成繊維用処理剤、ポリオレフィン系合成繊維、及びサーマルボンド不織布
KR20230037689A (ko) 2020-09-09 2023-03-16 다케모토 유시 가부시키 가이샤 폴리올레핀계 합성 섬유용 처리제, 폴리올레핀계 합성 섬유 및 서멀 본드 부직포
WO2022054790A1 (fr) * 2020-09-09 2022-03-17 竹本油脂株式会社 Agent de traitement pour fibres synthétiques de polyoléfine, fibres synthétiques de polyoléfine et non-tissé lié thermiquement
CN116018433B (zh) * 2020-09-09 2023-08-15 竹本油脂株式会社 聚烯烃系合成纤维用处理剂、聚烯烃系合成纤维、及热粘合无纺布
KR102573790B1 (ko) 2020-09-09 2023-09-01 다케모토 유시 가부시키 가이샤 폴리올레핀계 합성 섬유용 처리제, 폴리올레핀계 합성 섬유 및 서멀 본드 부직포
JP7055512B1 (ja) 2021-11-02 2022-04-18 竹本油脂株式会社 合成繊維用第１処理剤含有組成物、合成繊維用処理剤の希釈液の調製方法、合成繊維の処理方法、合成繊維の製造方法、及び短繊維の製造方法
JP2023068484A (ja) * 2021-11-02 2023-05-17 竹本油脂株式会社 合成繊維用第１処理剤含有組成物、合成繊維用処理剤の希釈液の調製方法、合成繊維の処理方法、合成繊維の製造方法、及び短繊維の製造方法
JP7736970B1 (ja) * 2024-02-29 2025-09-09 松本油脂製薬株式会社 透水性付与剤及びその利用
JPWO2025197704A1 (fr) * 2024-03-19 2025-09-25
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