WO2022004208A1 - Structure de fibre et procédé pour sa fabrication - Google Patents

Structure de fibre et procédé pour sa fabrication Download PDF

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Publication number
WO2022004208A1
WO2022004208A1 PCT/JP2021/020188 JP2021020188W WO2022004208A1 WO 2022004208 A1 WO2022004208 A1 WO 2022004208A1 JP 2021020188 W JP2021020188 W JP 2021020188W WO 2022004208 A1 WO2022004208 A1 WO 2022004208A1
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WIPO (PCT)
Prior art keywords
fiber structure
polyester
fiber
hydrophilic
water
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PCT/JP2021/020188
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English (en)
Japanese (ja)
Inventor
小林知世
白石篤史
藤田伸介
村岡奈緒
芳賀宏二郎
Original Assignee
美津濃株式会社
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Application filed by 美津濃株式会社 filed Critical 美津濃株式会社
Priority to KR1020227020385A priority Critical patent/KR20220097523A/ko
Priority to EP21832998.5A priority patent/EP4060115A4/fr
Priority to US17/786,285 priority patent/US20230032732A1/en
Priority to CN202180010144.3A priority patent/CN115003877A/zh
Publication of WO2022004208A1 publication Critical patent/WO2022004208A1/fr

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    • 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
    • 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
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/402—Amides imides, sulfamic acids
    • D06M13/432—Urea, thiourea or derivatives thereof, e.g. biurets; Urea-inclusion compounds; Dicyanamides; Carbodiimides; Guanidines, e.g. dicyandiamides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/46—Compounds containing quaternary nitrogen atoms
    • 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
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
    • D06P1/5271—Polyesters; Polycarbonates; Alkyd resins
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/60—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing polyethers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/34—Material containing ester groups
    • D06P3/52—Polyesters
    • D06P3/54—Polyesters using dispersed dyestuffs
    • 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
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32—Polyesters
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/13—Physical properties anti-allergenic or anti-bacterial

Definitions

  • the present invention relates to a fiber structure having high antifouling property, water absorption, diffusivity, etc. and a method for producing the same.
  • Polyester fiber is a hydrophobic fiber, and as it is, it has poor antifouling property, water absorption, and diffusivity, and clothes using this fiber have a problem that it is not comfortable to wear. For this reason, various proposals have been made so far.
  • Patent Document 1 proposes applying a hydrophilic polymer processing agent to a fiber structure containing a polyester fiber and curing it with a metal salt catalyst.
  • Patent Document 2 proposes applying a hydrophilic oil-repellent polymer processing agent to a fiber structure containing polyester fibers and curing the fiber structure with a metal catalyst.
  • Patent Document 3 proposes to apply a hydrophilic polymer processing agent and a bacteriostatic agent to a fiber structure containing polyester fibers and cure them with low temperature plasma.
  • the present invention provides a fiber structure that does not require curing (curing), maintains a good texture, and has high stain resistance, water absorption, diffusivity, etc., in order to solve the above-mentioned conventional problems.
  • the fiber structure of the present invention is a fiber structure containing a polyester fiber, and at least a part of the hydrophilic polyester resin processing agent molecule is absorbed in at least a part of the polyester fiber, and the remainder is the polyester fiber.
  • the surface is coated and made hydrophilic, and the fiber structure is:
  • Antifouling property Apply 200 g of muddy water, which is a mixture of standard contaminated earth and sand and distilled water at a ratio of 1: 1 and leave it for 24 hours.
  • JIS L 0805: 2005 is 4th grade or higher
  • Water absorption: Drop method (JIS L 1907: 2004) is 10 seconds or less
  • Diffusivity: Diffusible residual water content test (ISO 17617 A-1 method mutatis mutandis) (0.6 mL of water dropped)) is characterized by being within 55 minutes.
  • the fiber structure is immersed and heat-treated in an aqueous solution containing hydrophilic polyester resin processing agent molecules, and at least a part of the processing agent molecules is formed in at least a part of the polyester fiber. Is absorbed, and the residue is characterized by coating the surface of the polyester fiber to make it hydrophilic.
  • the fiber structure of the present invention is a fiber structure containing a polyester fiber, and at least a part of the hydrophilic polyester resin processing agent molecule is absorbed in at least a part of the polyester fiber, and the remainder is the polyester fiber. Since the surface is coated and made hydrophilic, curing (curing) is not required, and it is possible to provide a fiber structure having good texture and high antifouling property, water absorption, diffusivity and the like. Further, when an antibacterial agent is used in combination, the surface of the fiber structure is covered with at least a part of the hydrophilic polyester resin processing agent, and the antibacterial agent adheres to the surface of the polyester-based processing agent and / or at least one in the polyester fiber.
  • the fiber structure is immersed and heat-treated in an aqueous solution containing hydrophilic polyester resin processing agent molecules, and at least a part of the polyester fibers is covered with at least the processing agent molecules.
  • the fiber structure of the present invention can be efficiently and rationally produced by absorbing a part of the fiber and coating the residue on the surface of the polyester fiber to make it hydrophilic.
  • FIG. 1 is a schematic view showing a state in which at least a part of a hydrophilic polyester resin processing agent molecule is absorbed in a part of the polyester fiber of one embodiment of the present invention, and the remainder is coated on the surface of the polyester fiber to be hydrophilic. It is a cross-sectional explanatory view.
  • FIG. 2 is a schematic cross-sectional explanatory view showing a state in which the antibacterial agent of another embodiment of the present invention is adhered to the surface of the polyester-based processing agent.
  • FIG. 3 is a schematic cross-sectional explanatory view showing a state in which the antibacterial agent of still another embodiment of the present invention is absorbed inside the polyester fiber.
  • the hydrophilic polyester resin processing agent used in the present invention has the same function as the disperse dye, and at least a part of the processing agent is absorbed (absorption diffusion) in the polyester fiber.
  • This hydrophilic polyester resin processing agent is, for example, a linear copolymer in which a polyester group and a terminal group of a hydrophilic group are bonded to each other. It is preferably a block copolymer.
  • the molecular weight is preferably 5000 to 8000, more preferably 6000 to 7000.
  • the weight ratio of the polyester group to the hydrophilic group is preferably 90/10 to 10/90, more preferably 60/40 to 20/80.
  • hydrophilic group examples include polyethylene glycol, 5-sulfoisophthalic acid-sodium, trimellitic anhydride and the like, and polyethylene glycol is more preferable.
  • a processing agent there is a product number KMZ-902 manufactured by Takamatsu Oil & Fat Co., Ltd.
  • a fiber structure containing polyester fibers When a fiber structure containing polyester fibers is immersed and heat-treated in an aqueous solution containing a hydrophilic polyester resin processing agent, at least a part of the polyester fibers, for example, an amorphous portion, has a polyester base portion of the hydrophilic polyester resin processing agent molecule. At least a part of the polyester fiber is absorbed, and the surface of the polyester fiber is coated with the hydrophilic group of the molecule to make it hydrophilic.
  • the immersion heat treatment increases the size of the pores present in the amorphous portion of the polyester fiber at a temperature above the glass transition point, and at least a part of the polyester group enters the pores.
  • the molecular weight of the two monomers (dimers) that are the base of the polyester group that can enter the pores of the amorphous portion of the polyester fiber is 200 to 1000, more preferably 250 to 800.
  • the polyester group is a polymer in which a large number of monomers such as polyethylene terephthalate are bonded, but since it forms a three-dimensional shape rather than a straight line, it is suitable for determining whether the size of the molecular weight of the dimer can enter the pores. ing. When it is smaller than 200, the size of the dimer that is the base of the polyester group is smaller than the pores of the amorphous portion, and the polyester group is easily removed from the pores of the amorphous portion of the polyester fiber, and the durability is weakened.
  • the dimer that is the base of the polyester group is larger than that, so that the inside of the pores in the amorphous part is larger. Does not enter. That is, since it is a hydrophilic polyester resin processing agent having a polyester group having a preferable molecular weight, curing (curing) such as a curing catalyst, an electron beam, and plasma irradiation is unnecessary. Thereby, it is possible to provide a fiber structure having good texture, high durability, antifouling property, water absorption, diffusivity and the like.
  • the fiber structure has the following properties.
  • Antifouling property Apply 200 g of muddy water, which is a mixture of standard contaminated earth and sand and distilled water at a ratio of 1: 1 and leave it for 24 hours. JIS L 0805: 2005) is grade 4 or higher, preferably grade 4-5.
  • Water absorption The dropping method (JIS L 1907: 2004) is 10 seconds or less, preferably 5 seconds or less, more preferably 3 seconds or less, still more preferably 1 second or less.
  • Diffusivity The diffusible residual moisture content test (ISO 17617 A-1 method mutatis mutandis (0.6 mL of water dropped)) is within 55 minutes, preferably within 55 minutes for knitting and within 45 minutes for woven fabrics.
  • the fiber structure has the following properties.
  • Antifouling property By making the surface of the fiber structure hydrophilic, the affinity with mud stains, which are oily stains, becomes small, and the contact area becomes small. Therefore, the rolling-up phenomenon when washing with water is likely to occur, and mud stains are easily removed.
  • the affinity between the water and the fiber structure when washed with water increases, and water easily enters between the mud stain and the fiber structure to remove the mud stain. It's easy.
  • Water absorption By making the surface of the fiber structure hydrophilic, the affinity between the fiber structure and water is increased, and the water absorption is increased.
  • the fiber structure further has antibacterial properties: the antibacterial activity value measured based on the antibacterial property test (JIS L 1902: 2015) is preferably 2.2 or more, more preferably 3 or more, still more preferably 3.5 or more. be.
  • the antibacterial agent that can be used in the present invention is silver-based, silver-ion-based, zinc (zinc) -based, silane (silicon) -based, quaternary ammonium ion salt-based, biguanide-based, and the like.
  • Antibacterial agents such as zinc (zinc) -based, silane (silicon) -based, quaternary ammonium ion salt-based, and biguanide-based are hydrophilic because they can be adsorbed on polyester fibers by immersion heat treatment without adhesion by a resin binder. Does not impair the antifouling property, water absorption, and diffusivity that are the effects of the polyester resin processing agent.
  • the polyester fiber is immersed and heat-treated, the size of the pores in the amorphous part of the polyester fiber increases at a temperature above the glass transition point, and when at least a part of the polyester group of the hydrophilic polyester resin processing agent enters, the antibacterial agent also acts at the same time. come in.
  • the temperature of the polyester fiber drops below the glass transition point, so that the size of the pores in the amorphous portion is restored, and at least a part of the polyester group and the antibacterial agent are enclosed in the polyester fiber.
  • the molecular weight of the antibacterial agent for binding to the amorphous portion of the polyester fiber is 200 to 1000, more preferably 250 to 800, and those smaller than this range have poor durability and those larger than this range are adsorbed. Hateful.
  • the size of the antibacterial agent is smaller than the pores of the amorphous portion, the antibacterial agent is easily removed from the pores of the amorphous portion of the polyester fiber, and the durability is weakened. Further, when it is larger than 1000, even if the temperature reaches the glass transition point or higher, the antibacterial agent is larger than the pores in the amorphous portion, so that the antibacterial agent does not enter the pores in the amorphous portion.
  • zinc pyrithione has a molecular weight of about 317, a size that easily binds to the amorphous portion of the polyester fiber, and has good durability.
  • the silver ion antibacterial agent is soluble in the aqueous solution together with the resin.
  • the resin is preferably an acrylic resin.
  • the pH of the aqueous solution is alkaline or acidic.
  • an aqueous solution of ammonia for example, an aqueous solution of ammonia.
  • the silver ion-based antibacterial agent in the aqueous solution has a silver ion amount of 300 ppm or less and 1 ppm or more per fiber weight. It is preferably 200 ppm or less and 10 ppm or more.
  • the resin soluble in the aqueous solution needs to be 600 ppm or less and 2 ppm or more per fiber weight. It is preferably 400 ppm or less and 20 ppm or more.
  • the silver ion antibacterial agent aqueous solution When the silver ion antibacterial agent aqueous solution is heat-treated, ammonia and the like volatilize, and the aqueous solution becomes neutral. When it becomes neutral, the soluble resin polymerizes and adheres to the polyester fiber structure. At that time, since the amount of resin is very small, it adheres sparsely to the polyester fiber structure. Silver ions are supported on the sparsely adhered resin to obtain antibacterial properties. Since the resin is sparsely attached, there is a gap between the antibacterial agent and the antibacterial agent without covering the entire surface of the polyester fiber. Therefore, the antibacterial agent does not impair the antifouling property, water absorption, and diffusivity, which are the effects of the hydrophilic polyester resin processing agent.
  • the silver ion has a small molecular weight of about 47, it is preferable to attach the silver ion to the surface of the fiber structure by a pad treatment rather than a dipping treatment in which the silver ion penetrates into the amorphous portion of the polyester fiber.
  • the molecular weight of the antibacterial agent suitable for the size of the pores in the amorphous portion of the polyester fiber is preferably 200 to 1000, and the silver ion is smaller than 200, so that it can be easily removed from the amorphous portion of the polyester fiber. Durability is weak.
  • the resin is soluble in the silver ion-based antibacterial agent aqueous solution, and the polymerization thereof supports silver ions, which mediates between the polyester fiber and the silver ions to form a bond that enhances durability.
  • at least a part of the silver ion antibacterial agent may be absorbed in the amorphous portion in the polyester fiber.
  • the method of bonding the polyester fiber and the antibacterial agent is bonding with a resin binder such as urethane or silicon.
  • the conventional silver-based antibacterial agent has a silver metal amount of 7,000 ppm or less and 1000 ppm or more per fiber weight.
  • the resin binder was insoluble in an aqueous solution and required 1000 ppm or more per fiber weight.
  • the conventional antibacterial agent tends to inhibit the antifouling property, water absorption, and diffusivity which are the effects of the hydrophilic polyester resin processing agent.
  • the fiber structure is immersed and heat-treated in an aqueous solution containing hydrophilic polyester resin processing agent molecules, and at least a part of the processing agent is absorbed in at least a part of the polyester fiber.
  • the residue is coated on the surface of the polyester fiber to make it hydrophilic.
  • the fiber structure is immersed in an aqueous solution containing a hydrophilic polyester resin processing agent, heated from room temperature, heat-treated at a temperature of 110 to 135 ° C. and a time of 20 to 120 minutes, cooled, and washed with water. Is preferable. After washing with water, heat is applied to set the width-out processing, which can be performed according to a conventional method.
  • the fiber structure is subjected to the same bath treatment by adding an antibacterial agent at the time of immersion heat treatment in an aqueous solution containing a hydrophilic polyester resin processing agent (same bath treatment).
  • the fiber structure is immersed and heat-treated in an aqueous solution containing a hydrophilic polyester resin processing agent, and then the aqueous solution containing an antibacterial agent is pad-treated and heat-treated (sequential treatment).
  • the antibacterial agent is retained by the hydrophilic polyester resin processing agent, and durable antibacterial properties can be obtained.
  • FIG. 1 is a schematic cross-sectional explanatory view showing a state in which a hydrophilic polyester resin processing agent is absorbed by the polyester fiber according to the embodiment of the present invention. At least a part 2a of the polyester group of the hydrophilic polyester resin processing agent molecule 2 is absorbed in the amorphous portion inside the polyester fiber 1, and the hydrophilic group 2b covers the surface of the polyester fiber 1.
  • a hydrophilic polyester resin processing agent is absorbed by the polyester fiber according to the embodiment of the present invention.
  • At least a part 2a of the polyester group of the hydrophilic polyester resin processing agent molecule 2 is absorbed in the amorphous portion inside the polyester fiber 1, and the hydrophilic group 2b covers the surface of the polyester fiber 1.
  • FIG. 2 is a schematic cross-sectional explanatory view showing a state in which the hydrophilic polyester resin processing agent 2 is absorbed by the polyester fiber 1 of another embodiment of the present invention.
  • the difference from FIG. 1 is that the antibacterial agent 3 is fixed to the hydrophilic group 2b of the hydrophilic polyester resin processing agent molecule 2.
  • This state is obtained by immersing and heat-treating the fiber structure in an aqueous solution containing a hydrophilic polyester resin processing agent, and then pad-treating the aqueous solution containing an antibacterial agent and heat-treating (sequential treatment).
  • FIG. 3 is a schematic cross-sectional explanatory view showing a state in which the hydrophilic polyester resin processing agent is absorbed and diffused into the polyester fiber of yet another embodiment of the present invention.
  • the difference from FIG. 2 is that the antibacterial agent 3 is absorbed inside the polyester fiber 1 together with at least a part of the polyester groups of the hydrophilic polyester resin processing agent molecule 2.
  • This state is obtained by subjecting the fiber structure to the same bath treatment by adding an antibacterial agent during the immersion heat treatment in an aqueous solution containing a hydrophilic polyester resin processing agent.
  • the evaluation method is as follows. ⁇ Mass of knitted fabric (weight)> Measured according to JIS L1096 A method. ⁇ Anti-fouling property> A 10 cm x 10 cm fiber structure is coated with 200 g of muddy water, which is a mixture of standard contaminated earth and sand and distilled water at a ratio of 1: 1, left for 24 hours, washed by 103 method (JIS L 0217: 1995), and grayscale after drying. Judgment is made by judgment (JIS L 0805: 2005). It is divided into 10 stages from 1st to 5th grade, and the higher the grade, the better the antifouling property.
  • Example 1 Knitting polyester (PET) multifilament yarn (total fineness 40D (D is denier), number of filaments 36, usage ratio 5% by weight, total fineness 50D, number of filaments 72, usage ratio 60%, total fineness 60D, filament
  • a knit was knitted with a circular knitting machine using 48 yarns and a usage ratio of 35% by weight.
  • the mass (weight) of the obtained knitted fabric was 80 g / m 2 .
  • Hydrophilic processing (1) Chemicals used ⁇ Hydrophilic polyester resin: Made by Takamatsu Oil & Fat Co., Ltd., product number KMZ-902 is 5% owf (abbreviation of on the weight of fiber) -Antibacterial agent: Commercially available zinc pyrithione compound 1% owf (2) Treatment conditions (same bath treatment) The knitted fabric is immersed in an aqueous solution containing the chemical, heated from room temperature to 130 ° C. at 2 ° C./min, treated at 130 ° C. for 60 minutes, cooled, washed with water, dried, and laid out heat set. did. The results are summarized later in Table 1.
  • Example 2 1 Knitting polyester (PET) multifilament yarn (total fineness 40D, number of filaments 36, usage ratio 5% by weight, total fineness 75D, number of filaments 36, usage ratio 74% by weight, total fineness 100D, number of filaments 72, used A knit was knitted on a circular knitting machine using a ratio of 21% by weight). The mass (weight) of the obtained knitted fabric was 120 g / m 2 .
  • Hydrophilic processing (1) Chemicals used ⁇ Hydrophilic polyester resin processing agent: Made by Takamatsu Oil & Fat Co., Ltd., product number KMZ-902 is 5% owf (abbreviation of on the weight of fiber) -Antibacterial agent: Commercially available silver ion compound 3% owf (2) Processing conditions (sequential processing) The knitted fabric was immersed in an aqueous solution in which the hydrophilic polyester resin processing agent was dispersed, heated from room temperature to 130 ° C. at 2 ° C./min, treated at 130 ° C. for 60 minutes, cooled, washed with water, and dried. .. Next, the aqueous solution in which the antibacterial agent was dispersed was pad-treated at a pickup rate of 100%, and heat was applied at 150 ° C. for 120 seconds to set the width-out processing. The results are summarized in Table 1.
  • the treated products of each example had an antifouling property of 4th grade or higher, a water absorption of 10 seconds or less, a diffusivity of 55 minutes or less for knitting, and an antibacterial property of 2.2 or higher, all of which were acceptable. ..
  • the texture was also good and flexible.
  • the fabric of the present invention is suitable not only for innerwear such as sports shirts, T-shirts, inner shirts, briefs, tights, general shirts and briefs, but also for middlewear and outerwear.
  • Polyester fiber 2 Hydrophilic polyester resin processing agent Molecule 2a At least a part of polyester group 2b Hydrophilic group 3 Antibacterial agent

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Dispersion Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

L'invention concerne une structure de fibre qui comprend des fibres de polyester 1, au moins une partie 2a de molécules d'agent de traitement de résine de polyester hydrophile 2 étant absorbée dans au moins une partie des fibres de polyester 1, et le reste 2b recouvre la surface des fibres de polyester 1 pour la rendre hydrophile. La structure de fibre démontre (1) une propriété antisalissure dans laquelle l'échelle de gris est de grade 4 lorsque 200 g d'eau boueuse obtenue par le mélange de saletés contaminantes standard et d'eau distillée selon un rapport de 1:1 est appliquée et laissée reposer pendant 24 heures, et ensuite lavée et séchée. La structure de fibre démontre également (2) une capacité d'absorption d'eau ne dépassant pas 10 secondes lorsqu'elle est mesurée par le procédé d'instillation. La structure de fibre démontre en outre (3) une diffusivité ne dépassant pas 55 minutes lorsqu'elle est mesurée par un essai de taux d'humidité résiduel par diffusion (distillation de 0,6 mL d'eau). Cette configuration élimine le besoin de durcissement, et fournit une structure fibreuse qui conserve une bonne texture et possède une excellente propriété antisalissure, une excellente capacité d'absorption d'eau, une excellente diffusivité, etc.
PCT/JP2021/020188 2020-06-30 2021-05-27 Structure de fibre et procédé pour sa fabrication WO2022004208A1 (fr)

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KR1020227020385A KR20220097523A (ko) 2020-06-30 2021-05-27 섬유 구조물 및 그 제조 방법
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US17/786,285 US20230032732A1 (en) 2020-06-30 2021-05-27 Fiber structure and method for manufacturing same
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TWI785633B (zh) 2022-12-01
CN115003877A (zh) 2022-09-02
JP6892541B1 (ja) 2021-06-23
US20230032732A1 (en) 2023-02-02
TW202204724A (zh) 2022-02-01

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