EP2628833B1 - Multilayered knitted fabric - Google Patents

Multilayered knitted fabric Download PDF

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Publication number
EP2628833B1
EP2628833B1 EP11832312.0A EP11832312A EP2628833B1 EP 2628833 B1 EP2628833 B1 EP 2628833B1 EP 11832312 A EP11832312 A EP 11832312A EP 2628833 B1 EP2628833 B1 EP 2628833B1
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EP
European Patent Office
Prior art keywords
knitted fabric
cellulosic filaments
yarn
filaments
cellulosic
Prior art date
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EP11832312.0A
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German (de)
English (en)
French (fr)
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EP2628833A4 (en
EP2628833A1 (en
Inventor
Junko Deguchi
Shoichi Akita
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Asahi Kasei Corp
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Asahi Kasei Fibers Corp
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Publication date
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Publication of EP2628833A1 publication Critical patent/EP2628833A1/en
Publication of EP2628833A4 publication Critical patent/EP2628833A4/en
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Classifications

    • 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
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/06—Circular knitting machines with independently-movable needles with needle cylinder and dial for ribbed goods
    • 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
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/20—Cellulose-derived artificial fibres
    • D10B2201/28—Cellulose esters or ethers, e.g. cellulose acetate
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/02—Moisture-responsive characteristics
    • D10B2401/021—Moisture-responsive characteristics hydrophobic
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • 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
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/01—Surface features
    • D10B2403/011—Dissimilar front and back faces
    • D10B2403/0114—Dissimilar front and back faces with one or more yarns appearing predominantly on one face, e.g. plated or paralleled yarns
    • 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
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • 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
    • D10B2501/00—Wearing apparel
    • D10B2501/02—Underwear
    • 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
    • D10B2503/00—Domestic or personal
    • D10B2503/06—Bed linen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]

Definitions

  • the present invention relates to a multilayered knitted fabric. More specifically, the present invention relates to a multilayered knitted fabric which is highly hygroscopic, comfortable to wear, not stuffy during slight perspiration due to exercise etc., and which, even after considerable perspiration, does not make the wearer feel sticky, wet, or cold because of the sweat, and which has a satisfactory texture and appearance, as well as a textile product using said knitted fabric such as innerwear, sportswear, and bedclothes.
  • Cellulosic materials such as cotton and cupra have excellent hygroscopic and water absorbing properties, and thus, when used in clothing, generally it is very comfortable during no (insensible perspiration) or slight perspiration.
  • the amount of perspiration exceeds about 100 g/m 2 during the summer season or during exercise, cellulosic materials, which can easily retain the absorbed sweat, tend to make the wearer feel sticky or cold after exercise.
  • the amount of perspiration exceeds about 200 g/m 2 , the sticky or coldness becomes severe, making the wearer feel very uncomfortable.
  • Patent Document 1 and Patent Document 2 propose knitted fabrics having a structure in which the front side uses a fiber having an excellent moisture absorbing ability and the back side uses a fiber having a poor moisture absorbing ability, thereby controlling the stickiness or coldness.
  • Patent Document 1 which uses a fiber having a poor moisture absorbing ability on the back (skin) side of a knitted fabric, has an insufficient ability of absorbing sweat. Also, since it uses a staple fiber as one having an excellent moisture absorbing ability, it has a poor ability of diffusing the absorbed sweat, and thus has an insufficient ability of reducing stickiness.
  • Patent Document 2 uses a cellulose filament as a fiber having a high moisture absorbing ability and thus has an excellent diffusing ability. However, since it uses a hydrophobic fiber on the back (skin) side of the knitted fabric, its ability of absorbing sweat is not sufficient.
  • Patent Document 3 discloses a knitted fabric having unevenness provided on the back (skin) side of the knitted fabric, in which a polyester filament is arranged on the protrusion and a rayon filament fiber on the recess.
  • a polyester filament is arranged on the protrusion and a rayon filament fiber on the recess.
  • the protrusion which comes into contact with the skin is a hydrophobic fiber, its ability of absorbing sweat is insufficient as for the knitted fabrics described in Patent Document 1 and Patent Document 2.
  • Patent Document 4 discloses a knitted fabric having a hydrophilic fiber on the back (skin) side thereof.
  • the Patent Document 4 discloses a knitted fabric having a dry and smooth feel, which is obtained by using a knitted fabric comprising a hydrophilic fiber and a hydrophobic fiber and making the course density of the back (skin) side of the knitted fabric greater than that of the front side, thereby imparting unevenness to the back (skin) side of the knitted fabric.
  • the knitted fabric is highly dense and has a very high mixing ratio of a hydrophilic fiber of 25-75%, the moisture is retained at the skin side, and therefore despite the presence of unevenness, it has a considerable stickiness, and has an insufficient skin-dryness to be used in clothing.
  • the problem to be solved by the invention is to provide a knitted fabric which is not stuffy and is comfortable during insensible perspiration or slight perspiration, which, even after considerable perspiration due to exercise etc., does not make the wearer feel sticky, wet, or cold because of the sweat, and which has a satisfactory texture and excellent wear resistance.
  • the present inventors After intensive and extensive research and repeated experiments to solve the above problems, the present inventors have found that by arranging a specific amount of cellulosic filaments in the vicinity of the surface of the back (skin) side of a knitted fabric, the above problems can be solved, and thereby have completed the present invention.
  • the present invention is a multilayered knitted fabric according to claim 1 with preferred embodiments according to claims 2 to 6.
  • the knitted fabric of the present invention is not stuffy and is comfortable during insensible perspiration or slight perspiration, which, even after considerable perspiration due to exercise etc., does not make the wearer feel sticky, wet, or cold because of the sweat, and has a satisfactory texture and excellent wear resistance, and thus is preferably used as a knitted fabric for innerwear, sportswear, and bedclothes.
  • the knitted fabric of the present invention is a fabric that at least comprises 5 to 25% by weight of cellulosic filaments and 75 to 95% by weight of synthetic fibers.
  • the cellulosic filaments occupy 5 to 25% by weight, preferably 5 to 20% by weight of the overall knitted fabric.
  • cellulosic filaments include, but not limited to, regenerated cellulosic filaments such as rayon, cupra and acetate, natural cellulosic filaments such as silk, and the like. Compared to cellulosic staple fibers such as cotton and regenerated cellulosic staple fibers, these filaments contain less fluff and have smooth yarn surface, and thus they have a higher ability of diffusing moisture. Among them, regenerative cellulosic filaments may be preferred and, among the regenerative cellulosic filaments, rayon filaments and cupra filaments have a higher moisture content and a higher moisture-absorbing effect than the original cotton, and thus may be more preferred.
  • the knitted fabric When the proportion of cellulosic filaments to the overall knitted fabric is less than 5%, the knitted fabric has a low hygroscopic property and a poor ability of absorbing gaseous sweat during insensible perspiration or slight perspiration, the ability of absorbing and transferring moisture by cellulosic filaments becomes insufficient, the effect of reducing stickiness during perspiration cannot be expected, and thus the knitted fabric is not comfortable to wear.
  • the content of cellulosic filaments exceeds 25%, stickiness during perspiration and coldness after perspiration become greater, and thus the knitted fabric is not comfortable to wear.
  • the fineness of cellulosic filaments may preferably be, but not limited to, about 22 to about 84 decitex (dtex), and more preferably about 33 to about 56 dtex. While the fineness of a single yarn of cellulosic filaments may not be specifically limited, it may preferably be about 0.5 to about 2 dtex from the viewpoint of feel to the touch and texture.
  • cellulosic filaments When cellulosic filaments are contained in a knitted fabric, it can be interknitted with filaments or staple fibers of a polyester- or polyamide-based synthetic fiber. However, from the viewpoint of treating sweat, it may be preferred that the cellulosic filaments are arranged in the knitted fabric as a composite yarn with synthetic fibers such as a polyester- or polyamide-based synthetic fiber, specifically with a synthetic filaments. When combined, a multifilament yarn may be preferred having a fineness of the synthetic filaments of about 22 to about 84 dtex, and a fineness of a single yarn of about 0.5 to about 2 dtex, so as not to ruin softness to the touch.
  • the ratio of fineness of the cellulosic filaments to the synthetic filaments may preferably be 1:3 to 2:1.
  • the synthetic filaments may preferably have a modified cross-section from the viewpoint of treating sweat by diffusion during perspiration. Since a W-shaped cross-section fiber is a modified and flat shape, it satisfies both of sweat treatment by capillary action and softness, and therefore may be more preferred.
  • Cellulosic filaments or a composite yarn of cellulosic filaments and synthetic filaments can be arranged by being interknitted with another fiber in the knitted fabric.
  • the partner yarn of interknitting may preferably be a synthetic filament, specifically a polyester- or polyamide-based synthetic fiber, and a multifilament yarn may be preferred having a fineness of a synthetic filament of about 16 to about 170 dtex, and a fineness of a single yarn of about 0.5 to about 2 dtex.
  • a polyurethane fiber may be interknitted as appropriate to impart a stretching property to the knitted fabric.
  • a multifilament yarn for use in the present invention may comprise a delustering agent such as titanium dioxide, a stabilizer such as phosphoric acid, an ultraviolet absorber such as a hydroxybenzophenone derivative, a crystal nucleating agent such as talc, a lubricant such as aerosil, an antioxidant such as a hindered phenol derivative, a flame retardant, an antistatic agent, a pigment, a fluorescent whitener, an infrared absorber, an antifoaming agent etc.
  • a delustering agent such as titanium dioxide
  • a stabilizer such as phosphoric acid
  • an ultraviolet absorber such as a hydroxybenzophenone derivative
  • a crystal nucleating agent such as talc
  • a lubricant such as aerosil
  • an antioxidant such as a hindered phenol derivative
  • a flame retardant such as a hindered phenol derivative
  • an antistatic agent such as a pigment, a fluorescent whitener, an infrared absorber, an
  • a material for use in the knitted fabric of the present invention can have crimp, and the crimp extension rate may preferably be 0 to 150% from the viewpoint of softness to the touch.
  • the crimp extension rate of a false twisted yarn was measured under the following conditions:
  • the knitted fabric of the present invention is a fabric that at least comprises 5 to 25% by weight of cellulosic filaments and 75 to 95% by weight of synthetic fibers.
  • the knitted fabric of the present invention can comprise fibers other than the cellulosic filaments or the synthetic fibers.
  • said synthetic fibers occupy 75 to 95% by weight, preferably 80 to 95% by weight of the overall knitted fabric.
  • the knitted fabric of the present invention is characterized in that in one surface A thereof, the proportion of the area occupied by the cellulosic filaments to the overall area of the knitted fabric in the region of the knitted fabric which ranges to a depth of 0.13 mm may be 0.2 to 15%, preferably 0.5 to 10%.
  • the region which ranges to a depth of 0.13 mm refers to the outermost layer of surface A, and this layer comes into direct contact with the sweat on the skin, and absorbs it.
  • the knitted fabric By generating a slantingly arranged structure in which a small amount of cellulosic filaments in this layer and more cellulosic filaments are arranged in the inner layer of the knitted fabric, the knitted fabric absorbs sweat faster than the conventional knitted fabric in which 100% of synthetic fibers is present in the skin side surface of the knitted fabric, absorbs sweat strongly into the inner layer of the knitted fabric by slantingly arranged cellulosic filaments, and furthermore sweat is widely diffused in the knitted fabric without retaining it due to the diffusing property of cellulosic filaments.
  • the sweat on the skin can be incorporated quickly and in large quantities into the knitted fabric, permitting drastic improvement in stickiness during wearing.
  • cellulosic filaments also have excellent moisture dispersing property, moisture dispersion tends to occur in the inner layer, and the dispersed sweat is released from the skin side to the front side where the humidity is lower.
  • the relation of the mixing percent X (% by weight) of cellulosic filaments in the overall knitted fabric and the proportion Y (% by area) occupied by the cellulosic filaments in the outermost layer is X>Y, preferably (2/3) ⁇ X>Y, and most preferably (1/2) ⁇ X>Y.
  • the proportion occupied by the cellulosic filaments on the surface of the outermost layer is smaller that the mixing percent of cellulosic filaments in the overall knitted fabric is rephrased that cellulosic filaments are slantingly arranged.
  • the knitted fabric of the present invention Because, in the knitted fabric of the present invention, a small amount of cellulosic filaments are arranged in surface A which comes into direct contact with the skin of the knitted fabric of the present invention, it has excellent feel to the touch. Also, due to an excellent hygroscopic property, it can control stuffiness.
  • the protrusion is evenly distributed in surface A, and specifically when areas of 1 cm ⁇ 1 cm in the sample were measured, it may be preferred that any one area has 10 or more of the above protrusions, and the area of the protrusion is about 10 to 70% of the surface area.
  • a method for providing unevenness there can be mentioned a method for devising a knit structure and introducing a tack structure or needle-drawing structure, a method for stacking yarns at the protrusions, a method for varying yarn fineness, and the like.
  • surface A can be divided into a region (hereinafter referred to as the outermost layer of surface A) which ranges to a depth of 0.13 mm and a region (hereinafter referred to as the inner layer of surface A) which exceeds a depth of 0.13 mm.
  • the area occupied by the protrusions of the knitted fabric in the outermost layer of surface A may preferably be 10 to 70% of the total area of surface A.
  • the difference in height between the protrusion and the recess can be determined by photographing the cross section of a knitted fabric with an electron microscope, followed by measuring at 5 different sites and averaging.
  • the difference between the protrusion and the recess of about 0.17 to 0.45 mm may be more preferred.
  • the knitted fabric of the present invention is characterized in that the degree of coldness to the touch (heat transfer coefficient) of surface A when a 200 g/m 2 moisture was imparted is about 180 to about 330 W/m2 ⁇ °C (W/m 2 ⁇ k).
  • Said degree of coldness to the touch (hereinafter referred to as the value of coldness to the touch) may preferably be about 180 to 280 W/m 2 ⁇ °C, more preferably about 180 to about 260 W/m 2 ⁇ °C, and more preferably about 180 to about 240 W/m 2 ⁇ °C.
  • Thermo Labo II manufactured by Kato Tech Co., Ltd. is used. This instrument measures the amount of heat transfer when a warmed hot plate is placed on a sample.
  • a specific measuring procedure is as follows:
  • sampling is carried out at 8 cm ⁇ 8cm.
  • a maximum amount of heat transfer is measured at the instant when a hot plate warmed to 30°C in an environment of 20°C and 65% RH is placed onto a sample of the knitted fabric placed with surface A facing upward.
  • the moisture when a moisture of 200 g/m 2 was imparted is a condition that simulates the amount of moisture in the sweat absorbed by fabric after an exercise that induces considerable sweating.
  • a sprayer may be used to impart moisture to the surface A side of the sample to a weight of the sample sampled at 8 cm ⁇ 8cm of +1.28 g .
  • the temperature of water in the sprayer at this time is 20°C.
  • a sample having a large degree of coldness to the touch means a high stickiness.
  • the degree of coldness to the touch exceeds about 330 W/m 2 ⁇ °C, the stickiness becomes unfavorably large, whereas at a degree of coldness to the touch smaller than about 180 W/m 2 ⁇ °C, the stickiness is favorably small, but to attain a degree of coldness to the touch of less than about 180 W/m 2 ⁇ °C, unevenness must be markedly large, which is not preferred from the viewpoint of texture to the touch.
  • While a conventional knitted fabric comprising cellulose that generally has a large degree of coldness to the touch far exceeding about 330 W/m 2 ⁇ °C, cellulosic filaments are slantingly arranged in the knitted fabric of the present invention so as to utilize the water-absorbing and diffusing ability of the cellulosic filaments, thereby providing a knitted fabric having an improved stickiness even when a large amount of water was imparted.
  • the thickness of the knitted fabric of the present invention may preferably be about 0.5 to about 1.2 mm.
  • the thickness of a knitted fabric is measured using a thickness measuring gauge manufactured by Peacock, in which a measuring part of ⁇ 3.0 cm was allowed to come into contact with a knitted fabric with a 5 g load, and thickness is measured at 3 sites and averaged.
  • This thickness is smaller than about 0.5 mm, it has a poor ability of treating sweat and is not comfortable, whereas when the thickness exceeds about 1.2 mm, roughness of the fabric becomes large and spoils texture.
  • the thickness of the knitted fabric of the present invention may more preferably be about 0.5 to about 1.0 mm.
  • the sweat on the skin is absorbed quickly by the water-absorbing and diffusing properties of cellulosic filaments, and thus even a knitted fabric thinner than those intended to reduce stickiness by the difference of density or fineness between the front and back of a 100% polyester can exhibit a comparative effect.
  • surface B opposite to surface A may be composed mainly of synthetic fibers. Because, when cellulosic filaments are arranged on the surface of a knitted fabric, broken thread may easily occur due to abrasion on the front surface side of a textile product during wearing, and interknitting or difference in color and luster from a composite fiber may easily occur, which can ruin the appearance.
  • the area occupied by the cellulosic filaments in surface B to the entire area of the knitted fabric may preferably be 5% or less, more preferably 1% or less, and still more preferably 0.2% or less, and may preferably be smaller than the proportion of the area occupied by the cellulosic filaments in the region up to a depth of 0.13 mm in surface A.
  • surface B may be composed only of synthetic fibers.
  • the knitted fabric of the present invention may be warp knitted or weft knitted, and may preferably have a layered structure of 3 layers or more, having 2 layers of the front and back layers and an inner layer in between them. Due to restraint of knitted fabric structure, boundaries between layers may be ambiguous or may be so as long as it is a knitted fabric that functions equally to 3 layers.
  • a knitting machine for making the knitted fabric of the present invention there can be used a flat knitting machine, a double knit circular knitting machine, a tricot knitting machine, a Raschel knitting machine and the like, and in order to make a multilayered knitted fabric having 3 layers or more, a double knit circular knitting machine may be preferred.
  • the knitting gauge used of a knitting machine may preferably be about 10 to about 40 GG.
  • herringbone, blister, waffle, dimple mesh etc. can be used, and a structure that uses, but not limited to, tuck knitting in which unevenness can be obtained on the back side of a knitted fabric may be preferred.
  • warp knitting by arranging cellulosic filaments in the middle in three-reed knitting to produce a structure that expresses unevenness, the desired effect can be exhibited.
  • the number of loops in the course direction on the front and back of a knitted fabric of the present invention may not be specifically limited as long as it does not cause any problems in construction.
  • a slantingly arranged structure is effective in which a small amount of cellulosic filaments are arranged in the outermost layer of surface A of the 3-layered structure, cellulosic filaments at an amount larger than that in the outermost layer are arranged in the inner layer of surface A, and synthetic fibers are arranged in surface B.
  • cellulosic filaments can be slanted.
  • the fineness of synthetic fibers in surface A may preferably be 1.5-times as that of the cellulosic filaments or a composite yarn thereof.
  • the weight of the knitted fabric of the present invention may preferably be, but not limited to, about 50 to about 300 g/m 2 , more preferably about 80 to about 250 g/m 2 .
  • the knitted fabric of the present invention may preferably be subjected to a moisture absorption process.
  • a capillary phenomenon can be exhibited to transfer moisture from the surface A side to the surface B side.
  • a surface A of the knitted fabric of the present invention having a moisture-transferring function as the skin side of clothing, moisture tends not to remain on the skin surface even during considerable perspiration, and can alleviate stickiness and coldness during wearing.
  • Such a knitted fabric can be produced using a different-gauge knitting machine that has different gauges at the dial side and the cylinder side.
  • the number of loops in the well direction of knitted fabric surface B may preferably be made about 1.1 to about 4.5-fold the number of loops in the well direction of knitted fabric surface A.
  • the number of loops in the wale direction on the surface may be determined by measuring the number of knitted loops per width of 2.54 cm (1 inch) with a densimeter, linen tester, or the like.
  • the number of loops as used herein refers to the number of knitted stitches identified on each of the front and back of a knitted fabric, and does not include knitted stitches such as tuck loop or sinker loop.
  • the yarn fineness of the single yarn on the surface B side is made smaller than that of the single yarn on the surface A side.
  • the yarn fineness of the single yarn on the surface B side is made 1/2 or less that of the single yarn on the surface A side.
  • the knitted fabric of the present invention can be used in textile products to be worn by humans. At this time, by using surface B of the knitted fabric of the present invention at the outer air side and surface A at the skin side, the above-mentioned effect can be exhibited.
  • the knitted fabric of the present invention may be suitable for, but not limited to, applications in clothing materials among textile products, for example clothing for which a sweat treating function is desired such as sportswear and innerwear, can also be applied in clothing materials for outer wear and lining, bedclothing such as sheets, and furthermore sanitary articles such as incontinence pants, has comfort due to the moisture-absorbing property, and exhibits the effect of reducing stickiness and coldness due to moisture.
  • the knitted fabric obtained in examples was evaluated in the following manner.
  • a composite yarn prepared by combining a polyester circular cross-sectional yarn of 84dtex/72f, a cupra circular cross-sectional yarn of 33dtex/24f, and a polyester circular cross-sectional yarn of 56dtex/72f followed by false twisting, and a yarn (total fineness 336 dtex) prepared by knitting 4 polyester circular cross-sectional yarns of 84dtex/72f together were fed as shown in the knitting structure of Fig. 1 (circled numerals in the figure indicate the order of knitting) to obtain a knitted gray fabric.
  • this gray fabric was scoured at 80°C ⁇ 20 minutes and washed in a jet dyeing machine, it was preset at 180 ⁇ 90 seconds at a tentering rate of 20% using a pin tenter. Thereafter, it was subjected to polyester staining, a water absorption process and water-washing, and then extended to a degree in which wrinkles are removed, and final set was carried out at 150 ⁇ 90 seconds to obtain a knitted fabric with a weight of 150 g/m 2 and a thickness of 0.97 mm.
  • a composite yarn prepared by combining a polyester circular cross-sectional yarn of 56dtex/72f, a cupra circular cross-sectional yarn of 33dtex/24f, and a polyester circular cross-sectional yarn of 56dtex/72f followed by false twisting, and a polyester circular cross-sectional yarns of 56dtex/24f were fed as shown in the knitting structure of Fig. 2 (circled numerals in the figure indicate the order of knitting, and the same yarn type is fed at the knitting portion indicated on the same line (for example, circled numerals 1 and 13)).
  • the degree of coldness of surface A when 200 g/m 2 of water was imparted was 220 W/m 2 ⁇ °C.
  • the result is shown in Table 1.
  • a polyester circular cross-sectional yarn of 56dtex/24f as a structure 10/23 at the front a polyester circular cross-sectional yarn of 56dtex/24f and a cupra circular cross-sectional yarn of 56dtex/30f with each single yarn alternately arranged as structure 21/10 at the middle, and a polyester W cross-sectional yarn of 56dtex/30f as a structure 10/12 at the back were arranged.
  • the cupra circular cross-sectional yarn was arranged mainly in the intermediate layer of the knitted fabric.
  • a processing treatment similar to Working Example 1 a knitted fabric with a weight of 138 g/m 2 and a thickness of 0.61 mm was obtained.
  • a composite yarn prepared by interlace-combining a polyester circular cross-sectional yarn of 84dtex/72f, a cupra circular cross-sectional yarn of 33dtex/24f, and a polyester circular cross-sectional yarn of 56dtex/72f followed by false twisting, and a polyester circular cross-sectional yarns of 56dtex/24f were fed as shown in the knitting structure of Fig. 3 (circled numerals in the figure indicate the order of knitting, and the same yarn type is fed at the knitting portion indicated on the same line (for example, circled numerals 1, 5 and 9)).
  • the degree of coldness at surface A when 200 g/m 2 of water was imparted was 229 W/m 2 ⁇ °C.
  • the result is shown in Table 1.
  • the degree of coldness in surface A when 200 g/m 2 of water was imparted was 273 W/m 2 ⁇ °C.
  • the result is shown in Table 1.
  • the degree of coldness in surface A when 200 g/m 2 of water was imparted was 294 W/m 2 ⁇ °C.
  • the result is shown in Table 1.
  • a composite yarn prepared by interlace-combining a cupra circular cross-sectional yarn of 56dtex/24f and a polyester circular cross-sectional yarn of 56dtex/72f followed by false twisting, and a polyester circular cross-sectional yarn of 84dtex/72f with each single yarn alternately arranged were knitted as shown in the knitting structure of Fig. 4 .
  • a knitted fabric with a weight of 139 g/m 2 and a thickness of 0.71 mm was obtained.
  • a textile product such as clothing that is not stuffy and is comfortable during insensible perspiration, and can alleviate stickiness or coldness during slight perspiration or even considerable perspiration due to exercise for long hours etc.
  • Textile products thus produced such as sportswear, inner, and outer, and bedclothing etc. are comfortable to wear.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Woven Fabrics (AREA)
EP11832312.0A 2010-10-12 2011-03-31 Multilayered knitted fabric Active EP2628833B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010229561 2010-10-12
PCT/JP2011/058310 WO2012049870A1 (ja) 2010-10-12 2011-03-31 多層構造編地

Publications (3)

Publication Number Publication Date
EP2628833A1 EP2628833A1 (en) 2013-08-21
EP2628833A4 EP2628833A4 (en) 2014-12-24
EP2628833B1 true EP2628833B1 (en) 2016-03-23

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ID=45938109

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EP11832312.0A Active EP2628833B1 (en) 2010-10-12 2011-03-31 Multilayered knitted fabric

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US (1) US20130209743A1 (ko)
EP (1) EP2628833B1 (ko)
JP (1) JP5788895B2 (ko)
KR (1) KR101398699B1 (ko)
CN (1) CN103154344B (ko)
TW (1) TWI475137B (ko)
WO (1) WO2012049870A1 (ko)

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US12077888B2 (en) 2020-10-21 2024-09-03 Mas Innovation (Private) Limited Fabric with variable fabric properties

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JPWO2015182088A1 (ja) * 2014-05-26 2017-06-08 株式会社クラレ ポリアミド繊維およびこれを用いた繊維構造物、並びに衣類
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US11434604B2 (en) * 2015-09-16 2022-09-06 Komatsu Matere Co., Ltd. Colored fiber fabric and method for producing colored fiber fabric
JP6607951B2 (ja) * 2015-09-28 2019-11-20 旭化成株式会社 多層構造丸編地
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Also Published As

Publication number Publication date
WO2012049870A1 (ja) 2012-04-19
TW201215721A (en) 2012-04-16
JPWO2012049870A1 (ja) 2014-02-24
US20130209743A1 (en) 2013-08-15
CN103154344B (zh) 2014-10-22
EP2628833A4 (en) 2014-12-24
KR101398699B1 (ko) 2014-05-27
CN103154344A (zh) 2013-06-12
KR20130054420A (ko) 2013-05-24
JP5788895B2 (ja) 2015-10-07
EP2628833A1 (en) 2013-08-21
TWI475137B (zh) 2015-03-01

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