WO2023276958A1 - Structure pour empêcher l'effilochage de tissu, procédé de traitement pour empêcher l'effilochage de tissu et vêtement - Google Patents

Structure pour empêcher l'effilochage de tissu, procédé de traitement pour empêcher l'effilochage de tissu et vêtement Download PDF

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Publication number
WO2023276958A1
WO2023276958A1 PCT/JP2022/025587 JP2022025587W WO2023276958A1 WO 2023276958 A1 WO2023276958 A1 WO 2023276958A1 JP 2022025587 W JP2022025587 W JP 2022025587W WO 2023276958 A1 WO2023276958 A1 WO 2023276958A1
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WIPO (PCT)
Prior art keywords
fabric
thermoplastic resin
fraying
cut
edge
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PCT/JP2022/025587
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English (en)
Japanese (ja)
Inventor
倉橋孝臣
美也 由井
朋幸 三田
Original Assignee
グンゼ株式会社
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Application filed by グンゼ株式会社 filed Critical グンゼ株式会社
Priority to JP2023531945A priority Critical patent/JPWO2023276958A1/ja
Priority to CN202280035681.8A priority patent/CN117337348A/zh
Publication of WO2023276958A1 publication Critical patent/WO2023276958A1/fr

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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H43/00—Other methods, machines or appliances
    • A41H43/04—Joining garment parts or blanks by gluing or welding ; Gluing presses
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C25/00—Treating selvedges or other edges, e.g. stiffening
    • 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
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • 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
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/16—Processes for the non-uniform application of treating agents, e.g. one-sided treatment; Differential treatment
    • D06M23/18—Processes for the non-uniform application of treating agents, e.g. one-sided treatment; Differential treatment for the chemical treatment of borders of fabrics or knittings; for the thermal or chemical fixation of cuttings, seams or fibre ends

Definitions

  • the present invention relates to a fabric fraying prevention structure, a fabric fraying prevention processing method, and clothing.
  • Patent Document 1 discloses a knitted fabric in which heat-fusible elastic yarn and other yarns are knitted by plating knitting and heat-set processing is performed to melt the heat-fusible elastic yarn to give it an anti-fraying function. Garments with structured raw cut openings have been proposed.
  • the cut edges of the fabric are folded back and sewn, or wrapped with a separate cloth such as tape and sewn to prevent fraying around the edges. No post-processing required.
  • Patent Literature 2 proposes a garment that uses the cut edges as they are and applies a thermoplastic elastomer treatment to the edges of the cut edges to eliminate fraying and curling and to impart elasticity. .
  • the garment is produced by superimposing a print on a knitted or woven fabric having a cut edge that constitutes the garment and having long holes in a predetermined garment shape and at least at positions opposite to the cut edge. a process of pouring a thermoplastic elastomer resin into the block and coating the resin on the textile fabric; a cutting process of cutting the coated coating layer; and a cutting process of cutting the cut textile fabric into a predetermined shape It is manufactured through an assembly process that assembles into
  • the knitted fabric disclosed in Patent Document 1 If the knitted fabric disclosed in Patent Document 1 is used, the excellent effect of eliminating the need for post-treatment for preventing unraveling can be achieved. Since the fabric is knitted by knitting and then heat-set, the knitted fabric tends to become slightly heavy, and the properties of the ground yarns other than the heat-sealable elastic yarns are limited to some extent.
  • the clothing disclosed in Patent Document 2 is cut from a knitted or woven fabric that has been coated with a thermoplastic elastomer resin along the cutting edge in advance, so that the edge of the resin-coated area of a certain width formed on the cutting edge is not a skin.
  • a thermoplastic elastomer resin along the cutting edge in advance
  • An object of the present invention is to provide a fabric fraying prevention structure, a fabric fraying prevention processing method, and clothing that can realize good texture and appearance while preventing fraying from the cut edges.
  • the first characteristic configuration of the fabric fraying prevention structure according to the present invention is that at least one fibrous thermoplastic resin is linearly formed inside along the cutting edge or the edge to be cut of the fabric. , and the entangled portions of the base threads forming the fabric are impregnated with the thermoplastic resin.
  • the cut edge Since the interlaced state of the ground threads is fixed by the thermoplastic resin impregnated in the interlaced part of the base threads that make up the fabric, along the cut edge or the edge to be cut of the fabric, the cut edge is folded back.
  • the fraying of the ground thread at the cut edge is effectively suppressed without performing a special anti-unraveling treatment such as sewing or wrapping with another cloth such as tape and sewing.
  • a special anti-unraveling treatment such as sewing or wrapping with another cloth such as tape and sewing.
  • other than the area where the fibrous thermoplastic resin is linearly arranged there is no influence on the properties of the base threads forming the fabric, and the original properties of the fabric are not impaired.
  • the second characteristic configuration resides in that, in addition to the first characteristic configuration described above, the thermoplastic resin is arranged in a region separated by at least 0.5 mm or more from the cutting edge or the edge to be cut.
  • the entangled state of the ground threads is fixed by the thermoplastic resin in an area separated by 0.5 mm or more from the cutting edge or the edge to be cut, and the thermoplastic resin does not exist on the cutting edge, so the texture of the cutting edge is not affected by the thermoplastic resin. Giving is effectively suppressed.
  • the third characteristic configuration is that a plurality of fibrous thermoplastic resins are arranged at predetermined intervals along the cutting edge or the edge to be cut. at the point where
  • a plurality of entangled portions of the base yarn fixed by the thermoplastic resin along the cutting edge or the scheduled cutting edge are formed on the fabric side at a predetermined distance from the cutting edge or the scheduled cutting edge, so that the texture and appearance are improved.
  • the anti-unraveling effect can be strengthened without any influence.
  • thermoplastic resins are linearly arranged at predetermined intervals along one direction of the fabric, and the ground threads constituting the fabric are impregnated with the thermoplastic resin. in that it is
  • thermoplastic resins linearly arranged at predetermined intervals along one direction of the fabric are impregnated into the ground threads forming the fabric, and the ground threads are restrained by the thermoplastic resin.
  • the fabric is cut afterward, fraying of the base threads at the cut edge is suppressed.
  • the weight of the fabric is reduced and the texture is improved.
  • the fifth characteristic configuration in addition to the fourth characteristic configuration described above, is configured so that the base yarns constituting the fabric are intertwined at a constant interlacing interval along at least the direction intersecting the one direction,
  • the predetermined interval between the fibrous thermoplastic resins is set in the range of 0.5 to 2.0 times the interlacing interval of the ground yarn.
  • the predetermined interval at which the fibrous thermoplastic resin is arranged in the range of 0.5 to 2.0 times the entangling interval of the ground yarn, it is possible to prevent unraveling while reducing the required amount of the thermoplastic resin. can be effective.
  • the sixth characteristic configuration in addition to the fourth or fifth characteristic configuration described above, is that the fabric is composed of a weft knitted fabric, and a plurality of fibrous thermoplastic fibers are formed along the wale direction of the weft knitted fabric.
  • the resin is linearly arranged at predetermined intervals, and the unit loop width along the course direction of the weft knitted fabric is Lw, the predetermined interval at which the fibrous thermoplastic resin is arranged is the unit loop
  • the difference is that it is set in the range of 0.5 to 2.0 times the width Lw.
  • the unit loop width along the course direction of the weft knitted fabric is Lw
  • the seventh characteristic configuration in addition to any of the fourth to sixth characteristic configurations described above, is that the fabric is composed of a weft knitted fabric, and a plurality of fibrous fibers are formed along the course direction of the weft knitted fabric. are linearly arranged at predetermined intervals, and when the unit loop width along the wale direction of the weft knitted fabric is Lw, the predetermined interval at which the fibrous thermoplastic resin is arranged is , is set in the range of 0.5 to 2.0 times the unit loop width Lw.
  • a plurality of fibrous filaments are linearly arranged along the course direction at intervals ranging from 0.5 to 2.0 times Lw.
  • the base thread By impregnating the base thread with the thermoplastic resin, it is possible to exhibit the anti-unraveling effect while similarly reducing the necessary amount of the thermoplastic resin.
  • a plurality of fibrous thermoplastic resins arranged in a line so as to intersect the wale direction and the course direction are impregnated into the ground yarn, so the anti-unraveling effect is better. can increase
  • the eighth characteristic configuration is, in addition to any one of the first to seventh characteristic configurations described above, when the fabric is composed of a weft knitted fabric and the unit loop width of the weft knitted fabric is Lw,
  • the line width of the thermoplastic resin is set to a value covering at least the range of 0.2 Lw to 3.0 Lw.
  • the line width can be suppressed to the minimum line width that can exhibit the anti-unraveling effect.
  • the ninth characteristic configuration is that, in addition to any one of the first to eighth characteristic configurations described above, the line width of the thermoplastic resin is set in the range of 1.5 ⁇ 1.0 mm. .
  • the tenth characteristic configuration is, in addition to any one of the first to ninth characteristic configurations described above, that the weight of the thermoplastic resin is set in the range of 0.3 ⁇ 0.20 g / m be.
  • the effect of preventing unraveling is exhibited without affecting the texture and appearance.
  • the eleventh feature configuration is, in addition to any one of the first to tenth feature configurations described above, the thermoplastic resin to which an ultraviolet absorber is added and a moisture content containing a urethane prepolymer having an isocyanate group. It is characterized by being a curable hot-melt resin.
  • thermoplastic resin when a moisture-curable hot-melt resin containing a urethane prepolymer having an isocyanate group and an ultraviolet absorber is added, it is possible to obtain a sufficient anti-unraveling effect, but in an environment exposed to ultraviolet rays. Even if there is, the thermoplastic resin will not turn yellow and look unattractive.
  • the characteristic configuration of the garment according to the present invention is that it has a cut edge provided with a fabric raveling prevention structure having any one of the first to eleventh characteristic configurations described above.
  • the first characteristic configuration of the fabric fraying prevention processing method according to the present invention is that at least one melt-spun thermoplastic resin is linearly arranged inside along the cutting edge or the edge to be cut of the fabric, and the thermoplastic resin The point is that the resin is pressed against the fabric under predetermined heating and pressurizing conditions to impregnate the thermoplastic resin into the entangled portions of the ground threads forming the fabric.
  • thermoplastic resin while spinning the thermoplastic resin in a molten state, it is arranged linearly along the cutting edge or the edge to be cut of the fabric.
  • thermoplastic resin is impregnated and fixed in the entangled portions of the ground threads constituting the fabric, and when the thermoplastic resin solidifies, it prevents fraying. effect will come to play.
  • thermoplastic resins are applied in a direction intersecting the interlacing direction of the ground threads to the fabric in which the ground threads are entangled at a constant interlacing interval, Arranged linearly at an interval in the range of 0.5 to 2.0 times the interlacing interval of the base yarn, and pressing the thermoplastic resin against the fabric under predetermined heating and pressure conditions to form the fabric. It is to impregnate the ground thread to be made with the thermoplastic resin.
  • thermoplastic resin While spinning the thermoplastic resin in a molten state, it is linearly arranged at intervals in the range of 0.5 to 2.0 times the interlacing interval of the ground threads in a direction intersecting the interlacing direction of the ground threads constituting the fabric. do.
  • thermoplastic resin By pressing the linearly arranged thermoplastic resin against the fabric while heating, the thermoplastic resin is impregnated and fixed to the ground threads constituting the fabric, and when the thermoplastic resin is solidified, it has an effect of preventing fraying. It will be done.
  • thermoplastic resin is a moisture-curable hot melt containing a urethane prepolymer having an isocyanate group and an ultraviolet absorber added. It is in the point that it is resin.
  • thermoplastic resin As the thermoplastic resin, if a moisture-curable hot-melt resin containing a urethane prepolymer having an isocyanate group and an ultraviolet absorber is added, it will not turn yellow under the influence of ultraviolet rays, and will maintain its appearance for a long time. There is nothing to lose.
  • FIG. 1(a) is an explanatory view of one aspect of the fabric fraying prevention structure according to the present invention
  • FIG. 1(b) is an explanatory view of another aspect of the fabric fraying prevention structure according to the present invention.
  • FIG. 2(a) is an explanatory diagram of an edge to be cut of a weft knitted fabric
  • FIG. 2(b) is an explanatory diagram of a fraying prevention structure provided in the vicinity of the cut edge.
  • FIG. 3(a) is a schematic explanatory diagram of a coating device for placing a thermoplastic resin on a cloth
  • FIG. 3(b) is an explanatory diagram of a heat pressing device
  • FIG. 3(c) is a thermoplastic resin Fig.
  • FIG. 10 is a cross-sectional view of the main part processed to prevent unraveling.
  • FIG. 4 is an illustration of a garment (shorts) having cut edges with an anti-fray structure.
  • FIG. 5(a) and FIG. 5(b) are explanatory diagrams of another embodiment of the fabric fraying prevention structure according to the present invention.
  • FIGS. 6(a) and 6(b) are explanatory diagrams of another embodiment of the fabric fraying prevention structure according to the present invention.
  • 7(a) and 7(b) are illustrations of a garment (undershirt) having cut edges with anti-unraveling structures.
  • FIGS. 8(a), 8(b), 8(c), and 8(d) are explanatory diagrams of the "linear" mode in which the thermoplastic resin is arranged.
  • FIGS. 9(a) and 9(b) are explanatory diagrams showing another embodiment of the fabric fraying prevention structure.
  • FIGS. 10(a) and 10(b) are explanatory diagrams showing another embodiment of the fabric fraying prevention structure according to the present invention.
  • FIGS. 11(a) and 11(b) are explanatory diagrams showing another embodiment of the fabric fraying prevention structure according to the present invention.
  • FIGS. 12(a) and 12(b) are explanatory diagrams showing another embodiment of the fabric fraying prevention structure according to the present invention.
  • FIG. 13 is a plan view explanatory diagram of the sample used in the experiment.
  • FIGS. 1(a) and 1(b) show a structure for preventing fraying of fabric according to the present invention, taking shorts as an example of underwear as an example.
  • the fabric unraveling prevention structure has at least one line along the cutting edge 10 of the fabric 1 (see FIG. 1(a)) or the edge 10' to be cut of the fabric 1 (see FIG. 1(b)).
  • a fibrous thermoplastic resin 20 (indicated by a dashed line in the figure) is arranged linearly.
  • “Arranged linearly” means that the application pattern of at least one fibrous thermoplastic resin 20 is linear when viewed macroscopically, as shown in FIG. 8(a). As shown in FIG. 8(b), even when viewed microscopically, not only when it becomes a single wide line, but also when viewed microscopically, as shown in FIG. 8(c) When a single narrow line is applied in a wavy or zigzag pattern but can be recognized as a single line when viewed macroscopically, or when viewed microscopically as shown in FIG. The concept also includes the case where one narrow line is applied in a spiral shape, but can be recognized as one line when viewed macroscopically.
  • the fabric 1 to which the present invention is applied refers to a knitted fabric or a woven fabric
  • the knitted fabric includes horizontal knitted fabrics such as plain knitting, rubber knitting, and pearl knitting, and vertical knitting fabrics such as Denby knitting, cord knitting, and atlas knitting. included.
  • Circular knitted fabrics are included in weft knitted fabrics.
  • Woven fabrics include plain weave, twill weave, and satin weave. In the following description, an example using the weft knitted fabric 1 will be mainly described, but the same applies to fabrics other than the weft knitted fabric unless otherwise specified.
  • Natural fibers such as cotton yarn are preferably used for the fibers that make up the fabric.
  • regenerated cellulose fibers such as cupra and viscose rayon, blended yarn with natural fibers, and synthetic fibers such as polyester may also be used. It is possible.
  • Fig. 2(a) shows, as an example of the weft knitted fabric 1, an enlarged view of a main portion of a plain knitted fabric using cotton yarn as the ground yarn 2.
  • the one-dot chain line shown in the drawing is the edge to be cut 10'.
  • thermoplastic resin 20 (hatched area in the figure) is linearly spun inside along the edge 10' to be cut.
  • a thermoplastic resin 20 is impregnated in the entangled portions 2a of the ground yarns 2 constituting the weft knitted fabric 1. As shown in FIG. 2(b), at least one fibrous thermoplastic resin 20 (hatched area in the figure) is linearly spun inside along the edge 10' to be cut.
  • a thermoplastic resin 20 is impregnated in the entangled portions 2a of the ground yarns 2 constituting the weft knitted fabric 1. As shown in FIG.
  • thermoplastic resin 20 Since the entangled state of the ground thread 2 is fixed by the thermoplastic resin 20 impregnated in the entangled portion 2a, special unraveling prevention is performed by folding back the cut edge and sewing it, or wrapping it with a separate cloth such as tape and sewing it. Loosening of ground threads at the cut edge is effectively suppressed even without treatment.
  • the thermoplastic resin 20 functions as an adhesive that fixes the entangled state of the ground threads 2 .
  • thermoplastic resin 20 a moisture-curable hot-melt resin containing a urethane prepolymer having an isocyanate group and an ultraviolet absorber is preferably used.
  • thermoplastic resin 20 does not turn yellow even in an environment where it is exposed to ultraviolet rays, and the appearance of the thermoplastic resin 20 is not deteriorated while obtaining a sufficient effect of preventing fraying. .
  • thermoplastic resin 20 used for the adhesive the above-mentioned polyurethane hot-melt resin, polyester hot-melt resin, polyamide hot-melt resin, EVA hot-melt resin, polyolefin hot-melt resin, styrene elastomer resin, moisture curing type hot melt resins, reactive type hot melt resins, and the like.
  • an ultraviolet absorber an ultraviolet absorber
  • Moisture-curable hot-melt resins such as those described above are particularly preferable in that they have high adhesive strength and allow bonding in a short period of time.
  • the fraying prevention processing for realizing such a fraying prevention structure is performed by linearly forming at least one melt-spun thermoplastic resin 20 inside along the cutting edge 10 or the edge to be cut 10 ′ of the weft knitted fabric 1. Then, the thermoplastic resin 20 is pressed against the weft knitted fabric 1 under predetermined heating and pressurizing conditions to impregnate the interlaced portions 2a of the ground yarns 2 constituting the weft knitted fabric 1 with the thermoplastic resin 20.
  • FIG. 3(a) shows a knitted fabric transport mechanism 30 for transporting the weft knitted fabric 1 in either direction along the direction of the arrow by transport rollers R rotated forward or reverse by drive rollers Rd; shows a resin container 22 in which a spinning nozzle N is arranged.
  • the resin containing portion 22 is attached to a nozzle moving mechanism (not shown) that reciprocates in a direction perpendicular to the transport direction of the transport rollers R. As shown in FIG.
  • thermoplastic resin 20 in a molten state is pushed out from the nozzle N by the gear pump provided in the resin container 22, and is spun into the weft knitted fabric 1 in a linear shape. applied and placed.
  • the thermoplastic resin 20 arranged on the weft knitted fabric 1 is supplied by adjusting the distance between the conveying roller R and the tip position of the spinning nozzle N, adjusting the relative movement speed, or adjusting the rotation speed of the gear pump. quantity is adjusted.
  • the linear pattern shown in FIG. 8(b), the wavy line pattern shown in FIG. 8(c), and the spiral pattern shown in FIG. 8(d) are realized.
  • the thermoplastic resin 20 discharged from the tip of the spinning nozzle N and spun into fibrous form is caused to land on the weft knitted fabric 1 while being spirally rotated by the swirl air jetted from the vicinity of the tip of the spinning nozzle N.
  • FIG. 3(b) shows a heating press mechanism 40 that presses the linear thermoplastic resin 20 arranged on the weft knitted fabric 1 .
  • the heating press mechanism 40 includes a base 42 and a press head 44 that moves up and down with respect to the base 42 via an elevating mechanism.
  • the base 42 and the press head 44 contain heat generators.
  • the weft knitted fabric 1 on which the linear thermoplastic resin 20 is arranged is placed on the base 42 in a posture in which the thermoplastic resin 20 faces the base 42. Place. Between the base 42 and the weft knitted fabric 1, a sheet 45 of Teflon resin or the like that functions as a release layer is arranged (Teflon is a registered trademark).
  • the pressing method is not limited to the above method, and may be a method using a roller press or hot air pressure.
  • the melt spinning temperature of the thermoplastic resin 20 supplied from the nozzle N is preferably adjusted to 130 ⁇ 20°C, and the 130°C melt viscosity is preferably 6000 to 24000 mPa ⁇ s.
  • melt spinning temperature is less than 130 ⁇ 20° C.
  • it is difficult to impregnate the fabric and there is a problem that a sufficient anti-fraying effect cannot be obtained.
  • 130° C. melt viscosity is less than 6000 mPa ⁇ s, there is a problem that it tends to bleed into the fabric, and if it is higher than 24000 mPa ⁇ s, there is a problem that the coatability is poor.
  • the heating condition by the heating pressing mechanism 40 is set in the range of 70 ⁇ 20° C., and the pressing condition is preferably set in the range of 100 to 1000 g/cm 2 .
  • the heating condition is less than 70 ⁇ 20° C., there is a problem that sufficient impregnation cannot be obtained, and if it is higher than 70 ⁇ 20° C., there is a problem that the impregnation is excessive and sufficient elastic properties cannot be obtained.
  • the pressurization condition is less than 100 g/cm 2 , there is a problem that sufficient impregnation is not obtained and the durability is insufficient. be.
  • FIG. 3(c) shows a cross section of the weft knitted fabric 1 that has been heat-pressed.
  • the average impregnation thickness of the thermoplastic resin 20 into the knitted fabric with respect to the average thickness Dn of the weft knitted fabric 1 is in the range of 0.2Dn to 0.7Dn, a sufficient anti-unraveling effect can be obtained. If the average impregnation thickness is less than 0.2Dn, the anti-unraveling effect will be insufficient, and if it is greater than 0.7Dn, the texture will be hard and uncomfortable. More preferably, it is 0.3Dn to 0.6Dn because it does not interfere with fabric properties and is well-balanced in practical use.
  • the thickness of the impregnation layer is preferably in the range of 0.15 De to 0.75 De with respect to the thickness De of the entire resin layer. If the thickness of the impregnated layer is less than 0.15 De relative to the thickness De of the entire resin layer, the texture is affected and the durability to washing becomes weak. When the thickness of the impregnated layer is larger than 0.75De relative to the thickness De of the entire resin layer, the resin-only layer is likely to break when subjected to repeated expansion and contraction loads. In addition, there is a possibility that the elongation recoverability is deteriorated. More preferably, it is 0.2 De to 0.7 De because it does not interfere with fabric properties and is well-balanced in practical use.
  • thermoplastic resin 20 on the weft knitted fabric 1 may be performed before or after the weft knitted fabric 1 is cut. It is preferable in that it can be arranged. In the structure for preventing fraying of the weft knitted fabric 1 obtained in this way, the properties of the ground yarns 2 constituting the weft knitted fabric 1 are not affected except for the area where the fibrous thermoplastic resin 20 is linearly arranged. and the original characteristics of the weft knitted fabric 1 are not impaired.
  • FIG. 4 shows shorts 5 having such an anti-unraveling structure.
  • the shorts 5 are composed of a front body 5a, a back body 5b, and a crotch part 5c, and left and right side parts of the front body 5a and the back body 5b are joined with an adhesive.
  • a dashed line indicates an arrangement pattern of the thermoplastic resin 20 arranged on the body cloth.
  • the trunk opening 5d and the leg opening 5e are treated with a thermoplastic resin 20 to prevent unraveling.
  • the thermoplastic resin 20 is preferably arranged in a region separated from the cutting edge 10 or the scheduled cutting edge 10' by at least 0.5 mm, and is 0.5 mm from the cutting edge 10 or the scheduled cutting edge 10'.
  • the line width of the thermoplastic resin 20 should be set within a range of 1.5 ⁇ 1.0 mm, as long as it can secure the minimum line width that can hold the entangled portions of the ground yarns of the knitted fabric. At least, the average spacing of the knitted fabric or a line width slightly narrower than the average spacing of the knitted fabric is sufficient, and does not affect the feel and appearance. The same is true for warp knitted fabrics and woven fabrics.
  • the weight of the thermoplastic resin 20 is preferably set in the range of 0.3 ⁇ 0.2 g/m, which does not affect the texture and appearance while achieving a good anti-unraveling function.
  • the line width of the thermoplastic resin 20 is at least 0.5, where Lw is the unit loop width of the weft knitted fabric 1 . It is preferably set to a value that covers the range of 2 Lw to 3.0 Lw, more preferably set to a value that covers the range of 0.5 Lw to 1.5 Lw, and is the optimum value that can exhibit the anti-unraveling effect. Line width can be suppressed.
  • the optimum value of the line width may be appropriately set by comprehensively considering characteristics such as stretch recovery characteristics, texture, visual influence, and the like.
  • the unit loop width means both the unit loop width in the wale direction and the unit loop width in the course direction. In this description, both are written as Lw, but they are not necessarily the same value.
  • the line width of the thermoplastic resin 20 should be at least 0.5, where Lw is the unit loop width in the wale direction. It may be set to a value covering the range of 2 Lw to 3.0 Lw, more preferably to a value covering the range of 0.5 Lw to 1.5 Lw.
  • Lw is the unit loop width in the wale direction. It may be set to a value covering the range of 2 Lw to 3.0 Lw, more preferably to a value covering the range of 0.5 Lw to 1.5 Lw.
  • thermoplastic resins 20 are arranged at predetermined intervals along the cutting edge 10 or the edge to be cut 10'.
  • the entangled portions 2a of the base threads 2 fixed by the thermoplastic resin 20 are formed at a plurality of locations at predetermined intervals from the cutting edge 10 or the cutting-to-be-cut edge 10', so that the texture and appearance are not affected.
  • the unraveling prevention effect can be strengthened.
  • the number of thermoplastic resins 20 may be two as in this example, or may be more.
  • the intertwined portion 2a of the base thread 2 is fixed by two loops continuous along the wale direction by the thermoplastic resin 20 arranged on the cutting line 10 side.
  • the width of the thermoplastic resin 20 is 0.2 Lw to 3.0 Lw, which is the same as in FIG. 5(a), and more preferably 0.5 Lw to 1.5 Lw.
  • Intertwined portions 2a of ground threads 2 fixed by thermoplastic resin 20 are formed at a plurality of locations at predetermined intervals from cutting edge 10 or edge to be cut 10'. It goes without saying that a plurality of fibrous thermoplastic resins 20 may be arranged at predetermined intervals along the cutting edge 10 or the cutting-to-be-cut edge 10' in the manner shown in FIG. 5(a). No.
  • thermoplastic resin 20 is arranged at positions with different separation distances from the cutting edge 10 or the edge to be cut 10'.
  • the thermoplastic resin 20 is impregnated into the entangled portions 2a of the ground yarns 2 from the front and back sides of the weft knitted fabric 1, and the unraveling prevention effect is enhanced. Since the separation distance from the cutting edge or the edge to be cut is different, the stretchability of the weft knitted fabric 1 at the part where the thermoplastic resin is arranged is the original stretchability of the weft knitted fabric 1 compared to the case where the separation distance is the same. It doesn't change much with gender.
  • thermoplastic resin On both the front and back surfaces of the weft knitted fabric 1, the thermoplastic resin may be arranged at positions where the separation distance from the cutting edge or the edge to be cut is equal.
  • the thermoplastic resin 20 is impregnated from the front and back of the weft knitted fabric 1 to the same entangled portions 2a of the ground yarns 2, so that the fraying prevention effect is enhanced.
  • the line width L of the thermoplastic resin 20 is 0. .2 Lw ⁇ sin ⁇ to 3.0 Lw ⁇ sin ⁇ and 0.2 Lw ⁇ cos ⁇ to 3.0 Lw ⁇ cos ⁇ . It is more preferable to set the width to satisfy both 5 Lw ⁇ cos ⁇ to 1.5 Lw ⁇ cos ⁇ .
  • FIGS. 7(a) and 7(b) show an example in which the anti-unraveling mechanism described above is applied to an undershirt 6, which is an example of clothing.
  • the undershirt 6 includes a front body 6a, a back body 6b, and left and right sleeves 6c.
  • the sleeve ridges 6e of the left and right sleeve portions 6c are respectively joined to the armhole AH with an adhesive.
  • the neck 6g, the tip side of the sleeve 6c, and the hem 6f of the front and back body parts 6a and 6b are provided with a fraying prevention mechanism in which a thermoplastic resin 20 shown by a dashed line is applied.
  • the undershirt 1 is constructed using a tubular fabric knitted by a circular knitting machine. Specifically, a long tubular fabric such as jersey knit, milled knit or smooth knit is cut to a length that can ensure the required length, and the upper part of the tubular body is formed by armholes, shoulder lines, and neckline. , and a piece of cloth forming the sleeve portion 6c is cut from the cut piece. That is, the undershirt 6 is formed of a cylindrical body without side seams.
  • thermoplastic resin is linearly arranged inside along the cutting edge or the edge to be cut of the fabric, and the fabric constituting the fabric. It is sufficient that the entangled portion of the yarn is impregnated with the thermoplastic resin and the entangled portion of each fiber is fixed with the thermoplastic resin.
  • thermoplastic resin is disposed in a region separated from the cutting edge or the planned cutting edge by at least 0.5 mm, and a plurality of fibrous heat fibers are arranged along the cutting edge or the planned cutting edge.
  • the plastic resin may be arranged at predetermined intervals.
  • the line width of the thermoplastic resin 20 is sufficient as long as it can secure the minimum line width that can tie the intertwined portions of the base threads of the fabric (the intertwined portions of the weft and warp threads in the case of a fabric).
  • the line width of is preferably set in the range of 1.5 ⁇ 1.0 mm, and the weight of the thermoplastic resin is preferably set in the range of 0.3 ⁇ 0.2 g/m.
  • At least one fibrous thermoplastic resin is linearly arranged inside along the cutting edge or the edge to be cut of the fabric, and the entangled part of the ground yarn constituting the fabric
  • the structure for preventing fraying of the fabric according to the present invention is not limited to these embodiments.
  • 9(a), 9(b), 10(a), 10(b), and 11 show another embodiment of the structure for preventing the unraveling of fabric according to the present invention.
  • a plurality of fibrous thermoplastic resin fibers are linearly arranged at predetermined intervals ⁇ L along one direction of the fabric, and the base threads constituting the fabric are thermoplastic resin. It is sufficient if the resin is impregnated.
  • the ground threads constituting the fabric are entangled at a constant interlacing interval Lc along a direction intersecting at least one direction in which the fibrous thermoplastic resin is arranged, and the fibrous thermoplastic resin is arranged.
  • the predetermined interval ⁇ L is in the range of 0.5 to 2.0 times the interlacing interval Lc of the ground yarn, preferably in the range of 0.5 to 1.5 times the interlacing interval Lc of the ground yarn, more preferably is set to the interlacing interval Lc of .
  • the fabric may be a woven fabric such as plain weave, twill weave, or satin weave, or may be a knitted fabric such as vertical knitting or horizontal knitting.
  • the interlacing interval Lc is the interlacing pitch of the warp and weft yarns along the direction intersecting the one direction in which the fibrous thermoplastic resin is arranged.
  • the interlacing interval Lc is the pitch of adjacent loops along the direction crossing the one direction in which the fibrous thermoplastic resin is arranged.
  • Fig. 9(a) shows an example in which the fabric 1 is composed of a weft knitted fabric.
  • a plurality of fibrous thermoplastic resins 20 are linearly arranged at predetermined intervals along the wale direction of the weft knitted fabric.
  • the predetermined interval Lc at which the fibrous thermoplastic resin 20 is arranged is 0.5 to 2.0 times the unit loop width Lw in the course direction. , preferably 0.5 to 1.5 times the unit loop width Lw in the course direction, and more preferably set to the unit loop width Lw in the course direction.
  • the interlacing interval Lc is the unit loop width Lw in the course direction.
  • the position at which the plurality of fibrous thermoplastic resins 20 are arranged is not limited to the central portion of the loop position where the knitted fabric is formed, and is shifted in the course direction. good too. At least part of the loops (intertwined portions) should be impregnated with the thermally melted thermoplastic resin 20 .
  • the width of the thermoplastic resin 20 is preferably set in the range of 0.2Lc to 3.0Lc, more preferably in the range of 0.5Lc to 1.5Lc, as described in FIG. 5(a). is preferably set to
  • Fig. 10(a) shows an example in which a plurality of fibrous thermoplastic resin fibers are linearly arranged at predetermined intervals along the course direction of a weft knitted fabric.
  • the predetermined interval Lc at which the fibrous thermoplastic resin is arranged is 0.5 to 2.0 times the unit loop width Lw in the wale direction. It may be set within a range, preferably within a range of 0.5 to 1.5 times the unit loop width Lw in the wale direction, more preferably within the unit loop width Lw in the wale direction.
  • the interlacing interval Lc is the unit loop width Lw in the wale direction.
  • the position where the plurality of fibrous thermoplastic resins 20 are arranged is not limited to the central portion of the loop position where the knitted fabric is formed, and may be shifted in the wale direction. . At least part of the loops (intertwined portions) should be impregnated with the thermally melted thermoplastic resin 20 .
  • the width of the thermoplastic resin 20 is preferably set in the range of 0.2Lc to 3.0Lc, and set in the range of 0.5Lc to 1.5Lc, as described in FIG. is more preferable.
  • thermoplastic resins are arranged linearly along the entangled portions (loop forming portions) of the base yarns forming the knitted fabric at predetermined intervals. After that, the thermoplastic resin is pressed against the knitted fabric under predetermined heating and pressurizing conditions, and the interlaced portion of the ground yarn constituting the knitted fabric is impregnated with the thermoplastic resin, so that any cutting position The unraveling stopping effect is expressed.
  • a plurality of fibrous thermoplastic resins 20 are linearly arranged at predetermined intervals along the wale direction of the weft knitted fabric, and a plurality of fibrous thermoplastic resins 20 are arranged along the course direction.
  • fibrous thermoplastic resin 20 may be linearly arranged at predetermined intervals.
  • the anti-unraveling effect is further enhanced.
  • the spacing and line width of each fibrous thermoplastic resin 20 are the same as described above. It goes without saying that the unit loop width Lw in the wale direction and the unit loop width Lw in the course direction are not limited to the same value, and may be different values.
  • FIG. 11(b) shows an example in which a plurality of fibrous thermoplastic resins 20 are linearly arranged at predetermined intervals in a posture crossing the wale direction or course direction of the weft knitted fabric. ing.
  • the base threads 2 constituting the fabric 1 are entangled at a constant interlacing interval Lc along the direction intersecting at least one direction in which the fibrous thermoplastic resin 20 is arranged, and the fibrous thermoplastic resin 20 is arranged.
  • a predetermined interval ⁇ L between the thermoplastic resins is set within a range of 0.5 to 2.0 times the entanglement interval Lc of the ground yarn 2 .
  • the meaning of "linear" in which a plurality of fibrous thermoplastic resins are arranged along one direction of the fabric is the same as the description of FIGS.
  • the application pattern of one fibrous thermoplastic resin 20 is not limited to a macroscopically straight line pattern, and a curved pattern such as a wavy line shown in FIG. A zigzag curved line pattern shown in FIG. 12(b) is included.
  • the waveform shown in FIG. 12A and the zigzag line shown in FIG. It may be set in the range of 0.5 to 2.0 times the interlacing interval Lc of the ground yarn 2, preferably in the range of 0.5 to 1.5 times the interlacing interval Lc, the same value as the interlacing interval Lc is more preferably set to
  • thermoplastic resin 20 is a moisture-curable hot-melt resin containing a urethane prepolymer having an isocyanate group and an ultraviolet absorber added.
  • the temperature of the nozzle N was maintained at 140° C., and the application amount was set to 0.225 g/m, and all the samples were linearly applied in the longitudinal direction.
  • samples 1 to 5 were produced using the hot pressing device shown in FIG. 3(b).
  • Sample 1 was press temperature 70°C, pressure 0 g/cm 2 , pressure time 2 seconds;
  • sample 2 was press temperature 70°C, pressure 200 g/cm 2 , press time 2 seconds;
  • sample 3 was press temperature 70°C, pressure 400 g. /cm 2 , pressurization time 2 seconds,
  • sample 4 press temperature 70° C., pressure 800 g/cm 2 , pressurization time 2 seconds.
  • Sample 5 is pressed at a temperature of 100° C., a pressure of 1100 g/cm 2 and a pressing time of 2 seconds.
  • a tensile test was repeated three times by pulling the sample (50 mm) along the longitudinal direction until the sample (50 mm) stopped stretching (150 mm).
  • Sample 3 was 60 mm
  • sample 4 was 61 mm
  • sample 5 was 80 mm.
  • samples 1 and 5 had several frayed yarns at the cut edges, but samples 2, 3 and 4 had no frayed yarns at the cut edges.
  • thermoplastic resin fractured at multiple locations along the longitudinal direction. It was found that the relationship between the thickness of the entire resin layer and the thickness of the resin impregnated into the fabric affects the ease of breakage.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Knitting Of Fabric (AREA)

Abstract

Le problème à résoudre par la présente invention est de fournir une structure pour empêcher l'effilochage de tissu, qui permet d'atteindre une bonne texture et un bon aspect tout en empêchant l'effilochage d'un bord coupé. La solution selon l'invention porte sur une structure pour empêcher l'effilochage du tissu (1), laquelle structure comporte au moins une bande de résine thermoplastique fibreuse (20) disposée de façon linéaire le long d'un bord coupé (10) ou d'un bord devant être coupé du tissu (1) à une distance prédéfinie du bord coupé (10) ou du bord devant être coupé, une partie entrelacée (2a) du fil d'âme (2) constituant le tissu (1) étant imprégnée de la résine thermoplastique (20).
PCT/JP2022/025587 2021-06-28 2022-06-27 Structure pour empêcher l'effilochage de tissu, procédé de traitement pour empêcher l'effilochage de tissu et vêtement WO2023276958A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220047022A1 (en) * 2019-05-08 2022-02-17 Delta Galil Industries Ltd. Garment and Clothes that are Unravel-Free and Roll-Free

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57101067A (en) * 1981-10-08 1982-06-23 Teijin Ltd Woven and knitted fabric
JPH05295650A (ja) * 1992-04-17 1993-11-09 Heian Koubou:Kk 刺繍方法
JP2001316953A (ja) * 2000-05-08 2001-11-16 Suminoe Textile Co Ltd 車輌用内装表皮材及びその製造方法
JP2003253510A (ja) * 2002-03-05 2003-09-10 Gunze Ltd 衣 類
JP2005113349A (ja) * 2003-10-10 2005-04-28 Gunze Ltd 切りっぱなし開口部を有する衣類
JP2007186829A (ja) * 2006-01-16 2007-07-26 Utax:Kk 衣料および衣料の製造方法
JP2009203591A (ja) * 2008-02-29 2009-09-10 Azu:Kk 衣類および衣類の製造方法
JP2016198890A (ja) * 2015-04-07 2016-12-01 三豊化成株式会社 プリプレグの中間体、プリプレグ及びその製造方法、並びにプリプレグを用いた成形品及びその製造方法
JP2018080418A (ja) * 2016-11-17 2018-05-24 山屋産業株式会社 織編物及びその製造方法
WO2020225818A1 (fr) * 2019-05-08 2020-11-12 Delta Galil Industries Ltd. Article d'habillement et vêtements qui sont sans effilochage et ne s'enroulent pas

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57101067A (en) * 1981-10-08 1982-06-23 Teijin Ltd Woven and knitted fabric
JPH05295650A (ja) * 1992-04-17 1993-11-09 Heian Koubou:Kk 刺繍方法
JP2001316953A (ja) * 2000-05-08 2001-11-16 Suminoe Textile Co Ltd 車輌用内装表皮材及びその製造方法
JP2003253510A (ja) * 2002-03-05 2003-09-10 Gunze Ltd 衣 類
JP2005113349A (ja) * 2003-10-10 2005-04-28 Gunze Ltd 切りっぱなし開口部を有する衣類
JP2007186829A (ja) * 2006-01-16 2007-07-26 Utax:Kk 衣料および衣料の製造方法
JP2009203591A (ja) * 2008-02-29 2009-09-10 Azu:Kk 衣類および衣類の製造方法
JP2016198890A (ja) * 2015-04-07 2016-12-01 三豊化成株式会社 プリプレグの中間体、プリプレグ及びその製造方法、並びにプリプレグを用いた成形品及びその製造方法
JP2018080418A (ja) * 2016-11-17 2018-05-24 山屋産業株式会社 織編物及びその製造方法
WO2020225818A1 (fr) * 2019-05-08 2020-11-12 Delta Galil Industries Ltd. Article d'habillement et vêtements qui sont sans effilochage et ne s'enroulent pas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220047022A1 (en) * 2019-05-08 2022-02-17 Delta Galil Industries Ltd. Garment and Clothes that are Unravel-Free and Roll-Free

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