US20180371653A1 - Fabric and fiber product - Google Patents

Fabric and fiber product Download PDF

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Publication number
US20180371653A1
US20180371653A1 US16/064,614 US201616064614A US2018371653A1 US 20180371653 A1 US20180371653 A1 US 20180371653A1 US 201616064614 A US201616064614 A US 201616064614A US 2018371653 A1 US2018371653 A1 US 2018371653A1
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United States
Prior art keywords
knitted fabric
yarn
fabric according
less
torque
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US16/064,614
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English (en)
Inventor
Nobuaki Ogata
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Teijin Frontier Co Ltd
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Teijin Frontier Co Ltd
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Assigned to TEIJIN FRONTIER CO., LTD. reassignment TEIJIN FRONTIER CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: OGATA, NOBUAKI
Publication of US20180371653A1 publication Critical patent/US20180371653A1/en
Abandoned legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
    • D04B1/20—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads crimped threads
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/58—Seat coverings
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/0206—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
    • D02G1/022—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting while simultaneously drawing the yarn
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
    • D04B1/24—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
    • D04B1/24—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
    • D04B1/26—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel stockings
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
    • D04B1/24—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
    • D04B1/28—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel gloves
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/58—Seat coverings
    • B60N2/5891—Seat coverings characterised by the manufacturing process; manufacturing seat coverings not otherwise provided for
    • 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
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/02—Moisture-responsive characteristics
    • D10B2401/022—Moisture-responsive characteristics hydrophylic
    • 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
    • D10B2401/22—Physical properties protective against sunlight or UV radiation

Definitions

  • the present invention relates to a knitted fabric and a textile product which have excellent water absorbency, quick-drying properties, and anti-see-through properties.
  • cloths having excellent water absorbency have been proposed, focusing on sportswear and the like (e.g., PTL 1 and PTL 2). Meanwhile, for sportswear and the like, not only water absorbency but also quick-drying properties, that is, the property of drying quickly after sweating, are required. Further, anti-see-through properties are also required.
  • water absorbency and quick-drying properties contradict each other.
  • water absorbency when natural fibers are used or the weight per unit of a cloth is increased in order to enhance the water absorbency, although the water absorbency increases, the quick-drying properties tend to decrease.
  • water absorbency when a cloth is subjected to water-repellent processing in order to enhance the quick-drying properties, the water absorbency tends to decrease.
  • quick-drying properties and anti-see-through properties contradict each other.
  • the weight per unit of a cloth is reduced in order to enhance the quick-drying properties, the anti-see-through properties tend to decrease.
  • the invention has been accomplished against the above background.
  • An object thereof is to provide a knitted fabric and a textile product which have excellent water absorbency, quick-drying properties, and anti-see-through properties.
  • the present inventors have conducted extensive research to solve the above problems. As a result, they have found that when a low-torque crimped fiber is used, and the density and the thickness are tailored with ingenuity, a knitted fabric having excellent water absorbency, quick-drying properties, and anti-see-through properties can be obtained. As a result of further extensive research, they have accomplished the invention.
  • the invention provides “a knitted fabric including a crimped fiber having a torque of 30 T/m or less, characterized in that the knitted fabric has a density of not less than 60 courses/2.54 cm and not less than 45 wales/2.54 cm, and the knitted fabric has a thickness of 0.45 mm or less.”
  • the crimped fiber is a composite yarn including a false-twist crimped yarn having a torque in the S-direction and a false-twist crimped yarn having a torque in the Z-direction.
  • the crimped fiber is an entangled yarn that has been subjected to interlacing processing.
  • the torque of the crimped fiber is non-torque.
  • the crimped fiber has a single-fiber fineness within a range of 0.3 to 1.3 dtex.
  • the crimped fiber has a total fineness within a range of 40 to 80 dtex.
  • the crimped fiber includes a polyester fiber or a nylon fiber.
  • the knitted fabric has a weight per unit of 130 g/m 2 or less. In addition, it is preferable that the knitted fabric has a thickness within a range of 0.30 to 0.45 mm. In addition, it is preferable that the knitted fabric has applied thereto a hydrophilizing agent. In addition, it is preferable that on at least one of the front and back surfaces of the knitted fabric, the water absorbency measured in accordance with JIS L1907-1998 5.1.2, Byreck Method, is 7 cm or more.
  • the water absorbency measured in accordance with JIS L1907-1998 5.1.2, Byreck Method is 8 cm or more.
  • the dryness measured in accordance with AATCC TEST METHOD 201-2014 is 10 minutes or less.
  • the dryness measured in accordance with AATCC TEST METHOD 201-2014 is 12 minutes or less.
  • the invention provides a textile product using the above knitted fabric and selected from the group consisting of garments, lining fabrics, interlining fabrics, socks, belly bands, hats, gloves, nightwear, futon's outer fabrics, futon covers, and car seat upholstery materials.
  • a knitted fabric and a textile product which have excellent water absorbency, quick-drying properties, and anti-see-through properties are obtained.
  • FIG. 1 shows an example of a knitting structure diagram applicable in the invention (plain).
  • FIG. 2 show an example of a knitting structure diagram applicable in the invention (knit-miss).
  • the invention encompasses a crimped fiber having a torque of 30 T/m or less (hereinafter sometimes simply referred to as “crimped fiber”). Because of the presence of such a crimped fiber in the knitted fabric, fine voids are created between single fibers, and also the knitted fabric surface becomes flat. As a result, the contact area with water increases, whereby the water absorbency improves. In addition, the anti-see-through properties also improve.
  • the crimped fiber is a composite yarn containing two or more kinds of false-twist crimped yarns that are different from each other in the production condition or fineness.
  • the composite yarn may also contain other yarns, but it is preferable that the composite yarn is composed only of two or more kinds of false-twist crimped yarns that are different from each other in the production condition or fineness.
  • False-twist crimped yarns include a so-called one-heater false-twist crimped yarn obtained by setting false twists in a first heater zone and a so-called second-heater false-twist crimped yarn obtained by further introducing the yarn into a second heater zone and subjecting the same to a relaxation heat treatment to reduce the torque.
  • a false-twist crimped yarn having a torque in the S-direction and a false-twist crimped yarn having a torque in the Z-direction. These false-twist crimped yarns may be used in the invention.
  • the composite yarn is formed from a false-twist crimped yarn having a torque in the S-direction and a false-twist crimped yarn having a torque in the Z-direction, a low-torque composite yarn can be obtained; therefore, this is preferable.
  • the composite yarn can be produced by the following method, for example. That is, it is possible that a yarn is twisted using a twisting apparatus through a first roller and a heat treatment heater at a set temperature of 90 to 220° C. (more preferably 100 to 190° C.), thereby forming a one-heater false-twist crimped yarn. Alternatively, as necessary, it is also possible that the yarn is further introduced into a second heater zone and subjected to a relaxation heat treatment, thereby forming a second-heater false-twist crimped yarn.
  • the draw ratio during false-twist crimping is preferably within a range of 0.8 to 1.5.
  • a disk-type or belt-type friction twisting apparatus allows for easy threading and hardly causes yarn breakage, and thus is suitable.
  • a pin-type twisting apparatus can be used depending on the direction of twisting.
  • the torque of the false-twist crimped yarn can be selected from the S-direction and the Z-direction. Next, two or more kinds of false-twist crimped yarns are combined together, whereby the composite yarn described above can be obtained.
  • the crimped fiber has been entangled by interlacing processing.
  • the number of nodes is within a range of 30 to 90/m.
  • the entangling treatment may be a treatment using ordinary interlacing nozzles.
  • the composite yarn thus obtained has a torque of 30 T/m or less (preferably 18 T/m or less, more preferably 10 T/m or less, and particularly preferably non-torque (0 T/m)).
  • a lower torque is more preferable, and non-torque (0 T/m) is the most preferable.
  • non-torque it is suitable that when a false-twist crimped yarn having a torque in the S-direction and a false-twist crimped yarn having a torque in the Z-direction are combined together, two kinds of false-twist crimped yarns whose torques are different in direction but otherwise the same are used.
  • the crimped fiber has a crimp degree of 2% or more (more preferably 10 to 30%).
  • the crimp degree is less than 2%, the water absorbency and anti-see-through properties may decrease.
  • the crimped fiber may be one having a single-yarn fiber diameter of 1,000 nm or less, which is so-called “nanofiber”, but it is preferable that the single-fiber fineness is within a range of 0.3 to 1.3 dtex (more preferably 0.4 to 1.0 dtex). When the single-fiber fineness is more than 1.3 dtex, the water absorbency and anti-see-through properties may decrease. Conversely, when the single-fiber fineness is less than 0.3 dtex, the quick-drying properties may decrease.
  • the crimped fiber has a total fineness (the product of the single-fiber fineness and the number of filaments) within a range of 40 to 80 dtex (more preferably 45 to 70 dtex).
  • the total fineness is more than 80 dtex, the quick-drying properties may be impaired.
  • the total fineness is less than 40 dtex, the water absorbency and anti-see-through properties may be impaired.
  • the single-yarn cross-sectional shape of the crimped fiber may be an ordinary round cross-section, but the fiber may also have a modified cross-sectional shape other than the round cross-section.
  • the cross-section may be triangular, square, cross-shaped, flat, flat with constrictions, H-shaped, W-shaped, or the like, for example.
  • the cross-sectional flatness of the flat cross-sectional shape which is represented by the ratio B/C 1 of the length B in the direction of the longitudinal centerline relative to the maximum width C 1 in the direction orthogonal to the direction of the longitudinal centerline, is within a range of 2 to 6 (more preferably 3.1 to 5.0).
  • the ratio C 1 /C 2 of the maximum width C 1 relative to the minimum width C 2 is within a range of 1.05 to 4.00 (more preferably 1.1 to 1.5).
  • the fiber forming the crimped fiber is not particularly limited, and it is possible to use polyester fibers, acrylic fibers, nylon fibers, rayon fibers, acetate fibers, natural fibers such as cotton, wool, and silk, and combinations thereof.
  • polyester fibers and nylon fibers are preferable.
  • Polyester fibers include composite fibers containing at least a polyester component. Examples of such composite fibers include side-by-side composite fibers, eccentric sheath-core composite fibers, core-sheath composite fibers, and islands-in-sea type composite fibers.
  • nylon fibers include Nylon 6 fibers and Nylon 66 fibers.
  • polyesters include polyesters whose main acid component is terephthalic acid and whose main glycol component is at least one member selected from the group consisting of C 2-6 alkylene glycols, that is, ethylene glycol, trimethylene glycol, tetramethylene glycol, pentamethylene glycol, and hexamethylene glycol.
  • a polyester whose main glycol component is ethylene glycol (polyethylene terephthalate) and a polyester whose main glycol component is trimethylene glycol (polytrimethylene terephthalate) are particularly preferable.
  • Such a polyester may contain a small amount of a copolymer component (usually 30 mol % or less) as necessary.
  • bifunctional carboxylic acids other than terephthalic acid used in this case include aromatic, aliphatic, and alicyclic bifunctional carboxylic acids such as isophthalic acid, naphthalenedicarboxylic acid, diphenyldicarboxylic acid, diphenoxyethanedicarboxylic acid, ⁇ -hydroxyethoxybenzoic acid, p-oxybenzoic acid, 5-sodium sulfoisophthalic acid, adipic acid, sebacic acid, and 1,4-cyclohexanedicarboxylic acid.
  • diol compounds other than the above glycols include aliphatic, alicyclic, and aromatic diol compounds such as cyclohexane-1,4-dimethanol, neopentyl glycol, bisphenol A, and bisphenol S, as well as polyoxyalkylene glycols.
  • the polyester may be synthesized by an arbitrary method.
  • polyethylene terephthalate it may be produced by the following reactions: a first-stage reaction in which terephthalic acid and ethylene glycol are directly subjected to an esterification reaction, a lower alkyl ester of terephthalic acid such as dimethyl terephthalate and ethylene glycol are subjected to a transesterification reaction, or terephthalic acid and ethylene oxide are allowed to react, thereby producing a glycol ester of terephthalic acid and/or an oligomer thereof; and a second-stage reaction in which the product of the first-stage reaction is heated under reduced pressure to cause a polycondensation reaction until the desired degree of polymerization is reached.
  • a first-stage reaction in which terephthalic acid and ethylene glycol are directly subjected to an esterification reaction, a lower alkyl ester of terephthalic acid such as dimethyl terephthalate and ethylene glycol are subjecte
  • the polyester may be a polyester obtained by material recycling or chemical recycling, or may also be a polyester obtained using a catalyst containing a specific phosphorus compound or titanium compound as described in JP-A-2004-270097 and JP-A-2004-211268. Further, the polyester may also be a biodegradable polyester, such as polylactic acid or stereocomplex polylactic acid.
  • UV absorber When the polyester contains a UV absorber in an amount of 0.1 wt % or more (preferably 0.1 to 5.0 wt %) relative to the polyester weight, UV-shielding properties are imparted to the cloth; therefore, this is preferable.
  • UV absorbers include benzoxazine-based organic UV absorbers, benzophenone-based organic UV absorbers, benzotriazole-based organic UV absorbers, and salicylic-acid-based organic UV absorbers.
  • benzoxazine-based organic UV absorbers are particularly preferable in that they do not decompose during spinning.
  • benzoxazine-based organic UV absorbers include those disclosed in JP-A-62-11744, such as 2-methyl-3,1-benzoxazin-4-one, 2-butyl-3,1-benzoxazin-4-one, 2-phenyl-3,1-benzoxazin-4-one, 2,2′-ethylenebis(3,1-benzoxazin-4-one), 2,2′-tetramethylenebis(3,1-benzoxazin-4-one), 2,2′-p-phenylenebis(3,1-benzoxazin-4-one), 1,3,5-tri(3,1-benzoxazin-4-on-2-yl)benzene, and 1,3,5-tri(3,1-benzoxazin-4-on-2-yl)naphthalene.
  • the polyester contains a delusterant (titanium dioxide) in an amount of 0.1 wt % or more (preferably 0.2 to 4.0 wt %) relative to the polyester weight, the anti-see-through properties of the cloth improve; therefore, this is preferable.
  • a delusterant titanium dioxide
  • the polyester may also contain one or more kinds of micropore-forming agents (organic metal sulfonates), coloring inhibitors, heat stabilizers, flame retardants (diantimony trioxide), fluorescent brighteners, coloring pigments, antistatic agents (metal sulfonates), moisture absorbents (polyoxyalkylene glycols), antibacterial agents, and other inorganic particles.
  • micropore-forming agents organic metal sulfonates
  • coloring inhibitors heat stabilizers, flame retardants (diantimony trioxide), fluorescent brighteners, coloring pigments, antistatic agents (metal sulfonates), moisture absorbents (polyoxyalkylene glycols), antibacterial agents, and other inorganic particles.
  • the knitted fabric of the invention includes the crimped fiber described above. At this time, it is preferable that the crimped fiber is present in an amount of 50 wt % or more relative to the knitted fabric weight.
  • the density of the knitted fabric is not less than 60 courses/2.54 cm (preferably 60 to 130 courses/2.54 cm, more preferably 60 to 110 courses/2.54 cm) and not less than 45 wales/2.54 cm (preferably 45 to 90 wales/2.54 cm, more preferably 45 to 70 wales/2.54 cm).
  • the density of the knitted fabric is lower than this range, the water absorbency and anti-see-through properties may decrease.
  • the weight per unit of the knitted fabric is 130 g/m 2 or less (more preferably 80 to 120 g/m 2 ).
  • the weight per unit is more than 130 g/m 2 , the quick-drying properties may decrease.
  • the weight per unit is less than 80 g/m 2 , the water absorbency and anti-see-through properties may decrease.
  • the thickness of the knitted fabric of the invention is 0.45 mm or less (preferably 0.30 to 0.45 mm).
  • the thickness of the knitted fabric is more than 0.45 mm, the quick-drying properties may decrease.
  • the thickness of the knitted fabric is less than 0.30 mm, the water absorbency and anti-see-through properties may decrease.
  • the knitting structure is not particularly limited and may be warp knitting or circular knitting (weft knitting). Also with respect to the number of layers, the structure may be single-layer or multi-layer including two or more layers. Preferred examples thereof include, but are not limited to, plain stitch, knit-miss stitch, interlock stick, rib stitch, pique stitch, plated stitch, Denbigh stitch, and half stitch.
  • the knitted fabric of the invention is obtained by knitting in the usual manner using the crimped fiber (together with other fibers as necessary).
  • the knitted fabric is preferably subjected to dyeing processing.
  • the temperature of dyeing processing is 100 to 140° C. (more preferably 110 to 135° C.), and the time is such that the top-temperature keep time is within a range of 5 to 40 minutes.
  • the dyeing-processed knitted fabric is preferably subjected to dry-heat final setting.
  • the temperature of dry-heat final setting is 120 to 200° C. (more preferably 140 to 180° C.), and the time is within a range of 1 to 3 minutes.
  • the knitted fabric of the invention has been subjected to water-absorbing processing.
  • the knitted fabric that has been subjected to water-absorbing processing has improved water absorbency.
  • a hydrophilizing agent such as polyethylene glycol diacrylate, a derivative thereof, or a polyethylene terephthalate-polyethylene glycol copolymer, is attached to the knitted fabric in an amount of 0.25 to 0.50 wt % relative to the knitted fabric weight.
  • water-absorbing processing methods include an in-bath processing method in which a water-absorbing processing agent is mixed with a dyeing liquid at the time of dyeing processing, a method in which before dry-heat final setting, the cloth is dipped in a water-absorbing processing liquid and squeezed with a mangle, and coating processing methods such as gravure coating and screen printing.
  • the knitted fabric thus obtained includes the crimped fiber described above and also has the density and thickness described above, and thus has excellent water absorbency, quick-drying properties, and anti-see-through properties.
  • the water absorbency measured in accordance with JIS L1907-1998 5.1.2, Byreck Method is 7 cm or more (more preferably 7 to 15 cm).
  • the water absorbency measured in accordance with JIS L1907-1998 5.1.2, Byreck Method is 8 cm or more (more preferably 8 to 16 cm).
  • the dryness (drying speed) measured in accordance with AATCC TEST METHOD 201-2014 is 10 minutes or less (more preferably 1 to 5 minutes). In addition, it is preferable that after five washes in accordance with JIS L0217-1998, 103 Method, the dryness measured in accordance with AATCC TEST METHOD 201-2014 is 12 minutes or less (more preferably 1 to 5 minutes).
  • the UV protection factor UPF is 23 or more (more preferably 25 to 50).
  • the invention provides a textile product using the above knitted fabric and selected from the group consisting of garments, lining fabrics, interlining fabrics, socks, belly bands, hats, gloves, nightwear, futon's outer fabrics, futon covers, and car seat upholstery materials.
  • the textile product uses the knitted fabric described above and thus has excellent water absorbency, quick-drying properties, and anti-see-through properties.
  • a sample (crimped yarn) about 70 cm long is transversely tensioned.
  • An initial load of 0.18 mN ⁇ indicated tex (2 mg/de) is hung in the center, and then both ends are put together.
  • the yarn starts rotating due to residual torque.
  • the yarn is kept as it is until the initial load becomes stationary, thereby giving a twisted yarn.
  • the twisted yarn thus obtained is measured for the number of twists per 25 cm using a twist counter under a load of 17.64 mN ⁇ indicated tex (0.2 g/de).
  • the number of twists obtained (T/25 cm) is multiplied by 4 and defined as torque (T/m).
  • An entangled yarn 1 m long is taken under a load of 8.82 mN ⁇ indicated tex (0.1 g/de). The load is removed, then the yarn is allowed to crimp at room temperature for 24 hours, and the number of nodes is read and indicated as the number of nodes/m.
  • a test yarn was wound around a sizing reel having a perimeter of 1.125 m to prepare a skein having a dry fineness of 3,333 dtex.
  • the skein is hung on a hanger nail of a scale plate, then an initial load of 6 g is applied to its lower part, and further a load of 600 g is applied; the resulting skein length is measured as L0.
  • the load is then immediately removed from the skein, and the skein is removed from the hanger nail of the scale plate and immersed in boiling water for 30 minutes, allowing crimps to be developed.
  • the boiling-water-treated skein is taken out from boiling water, and moisture contained in the skein is removed by absorption on a filter paper, followed by air-drying for 24 hours at room temperature.
  • the air-dried skein is hung on a hanger nail of a scale plate, then a load of 600 g is applied to its lower part, and the skein length after 1 minute is measured as L 1 a.
  • the load is then removed from the skein, and the skein length after 1 minute is measured as L 2 a.
  • the crimp degree (CP) of the test filament yarn is calculated by the following equation.
  • Washing is performed in accordance with JIS L0217-1998, 103 Method, and then drying is performed in accordance with JIS L1096-2010, 8.24.1, A1 Method-2.3 Tumbler. Incidentally, in the case of three washes (five washes), drying is performed after three washes (five washes).
  • Measurement is performed in accordance with JIS L1018-1998 6.4.
  • Measurement is performed in accordance with JIS L1018-1998 6.5.
  • UV transmission at 280 to 400 nm is measured using a spectrophotometer, and UPF is calculated therefrom considering a predetermined damage factor.
  • Level 4 particularly excellent anti-see-through properties
  • Level 3 Excellent anti-see-through properties
  • Level 2 Fair
  • Level 1 Poor anti-see-through properties.
  • Polyethylene terephthalate (delusterant content: 0.3 wt %) was melt-spun at 280° C. from an ordinary spinning apparatus, then taken up at a rate of 2,800 m/min, and wound up without drawing to give a semi-drawn polyester yarn (single-yarn fiber cross-sectional shape: round cross-section).
  • polyester yarn was subjected to simultaneous drawing and false-twist crimping under the following conditions: draw ratio: 1.6, the number of false twists: 2,500 T/m (S-direction), heater temperature: 180° C., yarn speed: 350 m/min.
  • polyester yarn was subjected to simultaneous drawing and false-twist crimping under the following conditions: draw ratio: 1.6, the number of false twists: 2,500 T/m (Z-direction), heater temperature: 180° C., yarn speed: 350 m/min.
  • the false-twist crimped yarn having a torque in the S-direction and the false-twist crimped yarn having a torque in the Z-direction were combined together and subjected to an air-entangling treatment, thereby giving a composite yarn (total fineness: 66 dtex/72 fil, crimp degree: 28%, torque: 0 T/m) as Yarn Type 1 (crimped fiber).
  • the air-entangling treatment was interlacing processing using an interlacing nozzle, and 50 nodes/m were given at an overfeed rate of 1.0% and a pneumatic pressure of 0.3 M Pa (3 kgf/cm 2 ).
  • the knitted fabric was subjected to dyeing processing at a temperature of 130° C. for a keep time of 15 minutes.
  • a hydrophilizing agent polyethylene terephthalate-polyethylene glycol copolymer
  • the hydrophilizing agent was applied to the knitted fabric in the same bath.
  • the circular-knitted fabric was subjected to dry-heat final setting at a temperature of 160° C. for 1 minute.
  • the obtained knitted fabric had excellent water absorbency and also excellent quick-drying properties.
  • the density, weight per unit, thickness, and evaluation results are shown in Table 1. Incidentally, “C” is the number of courses/2.54 cm, and “W” is the number of wales/2.54 cm.
  • Example 1 the number of single yarns of Yarn Type 1 was changed, and Yarn Type 1 was obtained in the same manner (total fineness: 66 dtex/144 fil, crimp degree: 9.5%, torque: 0 T/m).
  • the number of gauges of the circular knitting machine used, Yarn Type 1, density, weight per unit, and thickness were changed as in Table 1. The evaluation results are shown in Table 1.
  • Example 2 in addition to Yarn Type 1, a false-twist crimped yarn made of polyethylene terephthalate was also used as Yarn Type 2 (total fineness: 56 dtex/72 fil, crimp degree: 26%, torque 20: T/m), and the density, weight per unit, and thickness were changed as in Table 1. At this time, the knitting structure was the knit-miss structure shown in FIG. 2 . The evaluation results are shown in Table 1. Incidentally, the weight proportion of Yarn Type 1 was 55 wt %.
  • Example 3 the same Yarn Type 1 as in Example 1 was used, and the density, weight per unit, and thickness were changed as in Table 1. The evaluation results are shown in Table 1. Incidentally, the weight proportion of Yarn Type 1 was 53 wt %.
  • a knitted fabric was obtained using a false-twist crimped yarn made of polyethylene terephthalate (total fineness of 84 dtex/72 fil, crimp degree: 18%, torque: 25 T/m, delusterant content: 0.3 wt %) and a false-twist crimped yarn made of polyethylene terephthalate (total fineness of 56 dtex/72 fil, crimp degree: 26%, torque: 20 T/m, delusterant content: 0.3 wt %).
  • the evaluation results are shown in Table 1.
  • a knitted fabric and a textile product which have excellent water absorbency, quick-drying properties, and anti-see-through properties are provided.
  • the industrial value of the invention is extremely high.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Knitting Of Fabric (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Seats For Vehicles (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
US16/064,614 2016-01-20 2016-11-28 Fabric and fiber product Abandoned US20180371653A1 (en)

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US20190055674A1 (en) * 2016-04-20 2019-02-21 Teijin Frontier Co., Ltd. Yarn, fabric, and fiber product

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JP7231649B2 (ja) * 2018-11-27 2023-03-01 帝人フロンティア株式会社 布帛および繊維製品

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US10927482B2 (en) * 2016-04-20 2021-02-23 Teijin Frontier Co., Ltd. Yarn, fabric, and fiber product

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US20220081811A1 (en) 2022-03-17
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HK1257950A1 (zh) 2019-11-01
KR102614296B1 (ko) 2023-12-18
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CA3010539A1 (en) 2017-07-27

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