WO2020100639A1 - Élément de fixation tactile ayant des éléments de mise en prise en forme de boucle et procédé de production pour élément de fixation tactile ayant des éléments de mise en prise en forme de boucle - Google Patents

Élément de fixation tactile ayant des éléments de mise en prise en forme de boucle et procédé de production pour élément de fixation tactile ayant des éléments de mise en prise en forme de boucle Download PDF

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Publication number
WO2020100639A1
WO2020100639A1 PCT/JP2019/043144 JP2019043144W WO2020100639A1 WO 2020100639 A1 WO2020100639 A1 WO 2020100639A1 JP 2019043144 W JP2019043144 W JP 2019043144W WO 2020100639 A1 WO2020100639 A1 WO 2020100639A1
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WO
WIPO (PCT)
Prior art keywords
loop
shaped engaging
engaging element
yarn
weft
Prior art date
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PCT/JP2019/043144
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English (en)
Japanese (ja)
Inventor
敬義 開高
山下　正美
Original Assignee
クラレファスニング株式会社
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Application filed by クラレファスニング株式会社 filed Critical クラレファスニング株式会社
Priority to EP19885239.4A priority Critical patent/EP3881710B1/fr
Priority to JP2020556052A priority patent/JP7299236B2/ja
Publication of WO2020100639A1 publication Critical patent/WO2020100639A1/fr

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    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
    • A44B18/0023—Woven or knitted fasteners
    • A44B18/0034—Female or loop elements
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/587—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads adhesive; fusible
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/0017—Woven household fabrics
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D27/00—Woven pile fabrics
    • D03D27/02—Woven pile fabrics wherein the pile is formed by warp or weft
    • D03D27/06—Warp pile fabrics
    • 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
    • D10B2501/00—Wearing apparel
    • D10B2501/06—Details of garments
    • D10B2501/063—Fasteners
    • D10B2501/0632—Fasteners of the touch-and-close type

Definitions

  • the present invention relates to a surface fastener having a loop-shaped engaging element, particularly a loop surface fastener having excellent peeling durability of the loop-shaped engaging element, or both the loop-shaped engaging element and the hook-shaped engaging element having the same base fabric.
  • the present invention relates to hook and loop coexisting surface fasteners that are mixed on the surface.
  • a hook surface fastener having a hook-shaped engaging element made of a monofilament thread on the surface of the base cloth, and a multi-filament thread capable of engaging with the hook-shaped engaging element A combination of loop surface fasteners having the following loop-shaped engaging element on the surface of the base cloth is widely used.
  • the base cloth is made of warp threads, weft threads, and threads for engagement elements, and these warp threads, weft threads, and threads for engagement elements are all made of polyethylene terephthalate.
  • a polyester-based surface fastener in which the weft yarn is a heat-fusible multifilament yarn and the engaging element yarn is fixed to the base fabric by the heat-fusible multifilament yarn is known.
  • This polyester loop hook-and-loop fastener is similar to conventional nylon and polyolefin loop hook-and-loop fasteners because the thread for the loop-shaped engaging element is fixed to the base cloth by melting the threads that make up the hook-and-loop fastener base cloth.
  • an adhesive layer so-called back coat layer
  • the engaging element is fixed to the back surface, resulting in excellent process simplicity and flexibility, and the resulting surface fastener is also formed from polyester fiber. Therefore, it is known that dimensional stability and dyeability are excellent.
  • the multifilament yarn forming the loop has a small degree of division (variation), and further, due to repeated peeling.
  • the loop is apt to be deformed (sag), which lowers the engaging force and peeling durability, and when the hook-and-loop fastener is sewn, when the engaging element is laid down by the sewing thread,
  • the engagement element does not rise even if the coupling element portion is rubbed.
  • the engaging element is not necessarily suitable for applications in which the rigidity is high, the touch is hard, and the touch feeling of clothing and daily necessities is flexible. ..
  • a multifilament yarn for a loop engaging element that constitutes a loop surface fastener is prepared from polyethylene terephthalate polyester to polybutylene terephthalate
  • a loop hook-and-loop fastener that has been changed to polyester has been proposed (Patent Document 2).
  • a loop surface fastener having a loop-shaped engaging element made of polybutylene terephthalate-based multifilament yarn is loop-shaped at the loop portion as compared with a loop surface fastener having a loop-shaped engaging element made of polyethylene terephthalate-based multifilament yarn.
  • the multifilament yarns that make up the engaging element are easy to divide (easy to separate), and as a result, the engaging force and peeling durability are improved, and the engaging element is flexible, making it excellent in touch. is doing.
  • loop-shaped engagement can be obtained by repeatedly performing engagement / release such as 5000 times. It has been found that there is a problem that individual filaments constituting the multifilament yarn constituting the element are gradually damaged and eventually cut, resulting in poor peeling durability.
  • the loop-shaped engaging element is formed in the loop portion.
  • the individual filaments forming the multi-filament yarn that composes the tentatively are divided (separated), they are not sufficiently divided (separated), and as a result, they are separated (separated). It was found that the improvement of the engaging force due to the presence of the above) is insufficient. By the process of further dividing (separating), some of the individual filaments forming the multifilament yarn forming the loop-shaped engaging element are cut, and as a result, the improvement of the engaging strength may be insufficient. I found it.
  • the present invention provides a multifilament yarn that has a further excellent peeling durability and that forms a loop-shaped engaging element, as compared with a surface fastener having a loop-shaped engaging element made of a polybutylene terephthalate-based multifilament yarn.
  • a process of splitting separating
  • the degree of splitting (separation) is improved much more than that of a surface fastener having a loop-shaped engaging element made of polybutylene terephthalate-based multifilament yarn, and further splitting (separation) is performed. It is an object of the present invention to provide a surface fastener in which the filaments constituting the multifilament yarn are less likely to be cut by the treatment (curling), and as a result, the engaging strength is improved.
  • the present invention provides a surface fastener in which a plurality of loop-shaped engaging elements are present on the surface of a base fabric, wherein the fibers constituting the loop-shaped engaging elements contain 1 to 8% by mass of polytrimethylene terephthalate.
  • a surface fastener comprising a polybutylene terephthalate-based polyester containing the same.
  • the base fabric is a surface fastener which is a woven fabric composed of warp yarns, weft yarns and loop-shaped engaging element yarns, and the warp yarns, the weft yarns and the loop-shaped engaging element yarns are all A multifilament yarn, wherein the weft yarn has a heat-sealing property, the loop-shaped engaging element yarn is woven into the woven fabric in parallel with the warp yarn, and the loop-shaped engaging element is The thread for the loop-shaped engaging element is formed at a position that straddles one of the wefts without straddling the warp, and the root of the loop-shaped engaging element is fixed to the base cloth by fusion with the weft.
  • the loop-shaped engaging elements are arranged on the woven fabric in a row in the warp direction with the loop surface facing the warp direction, and the rows are present in parallel in a plurality of rows in the weft direction,
  • the base fabric has a plain weave structure, and the loop-shaped engaging element yarns are woven into the woven fabric base fabric every four warp yarns in parallel with the warp yarns, and the five weft yarns are suspended.
  • the hook-and-loop fastener is formed with a loop for the engaging element at a position that floats above the weft.
  • the loop-shaped engaging element thread is a multi-filament thread in which 6 to 12 filaments of 32 to 45 dtex are bundled together.
  • part of the thread for the loop-shaped engaging element is replaced with a polyethylene terephthalate-based monofilament thread for the hook-shaped engaging element, and the polyethylene-terephthalate-based monofilament for the hook-shaped engaging element is provided.
  • a yarn is woven into the fabric in parallel with the warp yarn, a hook-shaped engagement element is formed at a position straddling the warp yarn and the weft yarn, and the loop-shaped engagement element and the hook-shaped engagement element are formed on the surface of the base cloth. It is a mixed fastener.
  • the multifilament yarn constituting the loop-shaped engaging element is divided into loop portions, and each of the multifilament yarns is the above-mentioned fastener not cut by the loop portion.
  • the present invention comprises a warp, a heat fusible weft and a loop-shaped engaging element thread, wherein the warp, the heat fusible weft and the engaging element thread are all multifilament threads,
  • the loop-shaped engaging element yarn is woven in parallel with the warp yarn, and forms a loop at a position where one weft yarn is straddled without straddling the warp yarn,
  • the loops are arranged on the woven fabric in a row in the warp direction, and the rows are present in parallel in a plurality of rows in the weft direction, and the wefts straddled by the loops existing in the row are the rows.
  • the heat fusible weft yarn is heated and fused to form the loop-shaped engaging element yarn in the woven fabric.
  • the multi-filament made of polybutylene terephthalate polyester containing 1 to 8% by mass of polytrimethylene terephthalate as a multi-filament thread for the loop-shaped engaging element.
  • a method for manufacturing a surface fastener which comprises using a thread.
  • the loop-shaped engaging element yarn is a multifilament yarn having a breaking elongation of 25 to 45%.
  • a part of the loop-shaped engaging element thread is replaced with a hook-shaped engaging element monofilament thread, and the hook-shaped engaging element monofilament thread is the warp thread.
  • the hook-shaped engaging element monofilament yarn forms a loop at a location straddling the warp and the heat-fusible weft, and the heat-weldable weft is heated and fused.
  • the fiber forming the loop-shaped engaging element preferably the multi-filament yarn forming the loop-shaped engaging element, is made of polybutylene terephthalate-based polyester blended with 1 to 8% by mass of polytrimethylene terephthalate. It uses multifilament yarn.
  • the physical properties of the fiber are often largely deteriorated due to the compatibility of the two polymers.
  • the loop-shaped engaging element is rubbed with a cloth or the like to divide (separate) the multifilament yarns forming the loop-shaped engaging element into individual filaments, the same processing is performed. As a result, the filaments that make up the multifilament yarn are less likely to be cut, and it is possible to more completely divide (separate) the individual filaments, resulting in improved engagement strength.
  • FIG. 3 is a photograph showing a cross section of the surface fastener of the present invention in the weft direction.
  • FIG. 6 is a photograph showing a cross section in the weft direction of a surface fastener having a loop-shaped engaging element composed of a conventional multifilament terephthalate single filament yarn.
  • the surface fastener targeted by the present invention is a surface fastener having a plurality of loop-shaped engaging elements, preferably a large number (about 30 pieces / cm 2 to 120 pieces / cm 2 ), on the surface of the base fabric.
  • the base fabric may be a woven fabric, a knitted fabric, or a non-woven fabric, but is preferably a woven fabric woven from warps, wefts, and threads for engaging elements. In the case of a woven fabric, the features of the present invention become remarkable.
  • the surface of the non-woven fabric or the knitted fabric is scratched with a needle cloth or the like, and the fibers constituting the non-woven fabric or the knitted fabric are pulled out from the base fabric surface in a loop shape, thereby having a loop-shaped engaging element on the surface.
  • a surface fastener made of cloth can be obtained.
  • a woven fabric is preferable as the base fabric.
  • the warp yarn, the weft yarn, and the yarn for the loop-shaped engaging element are all multifilament yarns, and the weft yarn has heat fusion property, and the loop-shaped engaging element yarn is woven into the fabric in parallel with the warp yarn.
  • the loop-shaped engaging element is formed at a position where the loop-shaped engaging element yarn straddles one weft without straddling the warp, and the root of the loop-shaped engaging element is formed by fusion with the weft. It is particularly preferable that it is fixed to a cloth.
  • the heat-fusible property is a property of softening by heating, and more specifically, the heat-fusible fiber is softened when heated to a certain temperature or more, and comes into close contact with the fiber. It means that it is possible to fuse with fibers made of the same material or different materials.
  • the warp does not cause waviness (the base fabric surface of the surface fastener moves up and down irregularly and does not become a horizontal surface) due to heat, water absorption, or moisture absorption, and from the viewpoint of further improving the heat fusion property of the weft.
  • It is preferably composed substantially of a polyethylene terephthalate polyester polymer. More preferably, it is formed from polyethylene terephthalate homopolymer.
  • the thickness of the multifilament yarn used as the warp is preferably a multifilament yarn having a total decitex of 20 to 54 filaments of 100 to 300 decitex, and a total decitex of 24 to 48 filaments of 150 to 250. Multifilament yarns that are decitex are particularly preferred.
  • the wefts preferably include heat fusible multifilament yarns.
  • a suitable representative example of the heat-fusible multifilament yarn is a multifilament yarn in which core-sheath type heat-fusible filaments having a sheath component as a heat-fusion component are bundled. Since the weft contains the heat-fusible multifilament yarn, it is possible to firmly fix the engaging element thread to the base cloth, and the engaging element thread is separated from the base cloth like a conventional surface fastener. There is no need to apply a polyurethane or acrylic back coat resin to the back surface of the hook-and-loop fastener base fabric to prevent it from being pulled out, and the process can be simplified. Furthermore, the back face of the base fabric is not hardened with the back coat resin. Therefore, the flexibility and breathability of the surface fastener can be obtained. Further, the presence of the back coat resin layer does not significantly impair the dyeability of the surface fastener.
  • a sheath resin is melted under heat treatment conditions, and a polyester-based resin capable of firmly fixing the root of the loop-shaped engaging element multifilament yarn to the base cloth.
  • a preferable example is a multifilament yarn in which a plurality of core-sheath filaments made of a polyester resin whose core component does not melt under heat treatment conditions are bundled.
  • polyethylene terephthalate is used as a core component, and a large amount of a copolymerization component typified by isophthalic acid, adipic acid or the like is copolymerized, for example, 20 to 30 mol% to significantly lower the melting point or softening point.
  • a typical example is a core-sheath type polyester multifilament yarn containing a copolymer polyethylene terephthalate as a sheath component.
  • the melting point or softening point of the sheath component is preferably 100 to 200 ° C., and lower than the melting points of the warp yarn, the core component and the multifilament yarn for loop-like engaging elements by 20 to 150 ° C.
  • the cross-sectional shape of the core-sheath type heat-fusible fiber may be a concentric core sheath, an eccentric core sheath, a single core sheath, or a multi-core sheath.
  • all of the multifilament yarns constituting the weft yarn are the above-mentioned heat-fusible multifilament yarns because the loop-shaped engaging element yarns are firmly fixed to the base fabric.
  • the multifilament yarn constituting the weft is not in the core-sheath cross-sectional shape, and the entire cross-section is formed of a heat-fusible polymer, the heat-fusible polymer that is melted and solidified again becomes brittle and easily cracks, When sewn, the base cloth is likely to tear from the thread portion.
  • the heat-fusible multifilament yarn preferably contains a resin that is not heat-fusible, and more preferably has a core-sheath cross-sectional shape. Further, the mass ratio of the core component and the sheath component is preferably in the range of 20:80 to 80:20, particularly preferably in the range of 75:25 to 55:45.
  • the weft yarn is preferably a multifilament yarn, and the thickness of the multifilament yarn constituting the weft yarn is preferably a multifilament yarn having a total decitex of 10 to 72 filaments of 80 to 300 decitex, particularly 18 to 36 yarns.
  • a multifilament yarn having a total decitex of 100 to 240 decitex composed of the above filaments is preferable.
  • the multifilament yarn for a loop-shaped engaging element which is a fiber forming the loop-shaped engaging element, contains 1 to 8% by mass of polytrimethylene terephthalate based on polybutylene terephthalate polyester. It is composed of a blended polybutylene terephthalate polyester.
  • a multifilament yarn made of polybutylene terephthalate polyester blended with polytrimethylene terephthalate is prepared by blending polytrimethylene terephthalate chips with polybutylene terephthalate chips during spinning. It is easily obtained by so-called mixed spinning.
  • polytrimethylene terephthalate Since 1 to 8% by mass of polytrimethylene terephthalate is blended with the polybutylene terephthalate-based polyester, polybutylene terephthalate alone (that is, polytrimethylene terephthalate is not blended) even if engagement and release are repeated. Compared with the case of the multifilament yarn of (1), the individual filaments constituting the multifilament yarn are less likely to be scratched and cut due to repeated engagement and peeling, and as a result, the peeling durability is greatly improved.
  • the term “blended with 1 to 8% by weight of trimethylene terephthalate” as used in the present invention means a value with respect to polybutylene terephthalate polyester.
  • polybutylene terephthalate and polytrimethylene terephthalate may be blended as other optional components within a range that does not impair the performance, and further, as other optional components, various stabilizers and colorings. Agents and the like may be added within a range that does not impair the performance.
  • the total mass of the two components of polybutylene terephthalate and polytrimethylene terephthalate is 80 mass with respect to the mass of the polybutylene terephthalate polyester (“polybutylene terephthalate” + “polytrimethylene terephthalate” + “other optional components”). % Or more, preferably 90% by mass or more, more preferably 100% by mass (particularly only two components of polybutylene terephthalate and polytrimethylene terephthalate).
  • the resin to be blended is not polytrimethylene terephthalate, but nylon-based resin, polypropylene, polyethylene terephthalate, polyethylene naphthalate, etc.
  • the peeling durability cannot be improved and the loop can be formed by repeating engagement and peeling.
  • the multifilament yarn constituting the linear engagement element is likely to be fibrillated, and improvement in peeling durability cannot be obtained. Therefore, it is an effect peculiar to polytrimethylene terephthalate.
  • the blending amount of polytrimethylene terephthalate is less than 1% by mass with respect to polybutylene terephthalate, the effect of blending polytrimethylene terephthalate hardly appears.
  • the blend amount exceeds 8% by mass, it becomes difficult to industrially and stably produce a multifilament yarn having a uniform thickness and composed of extremely thick filaments, which is suitable for the present invention.
  • 2 to 7% by mass, more preferably 2 to 5% by mass, and further preferably 3 to 5% by mass of polytrimethylene terephthalate is blended.
  • a multifilament thread in which 6 to 12 filaments of 32 to 45 dtex are bundled, particularly 6 to 9 filaments are preferred.
  • This thickness is different from that of 10 to 20 multifilament yarns for loop-shaped engaging elements, which are generally used for loop surface fasteners, and 10 to 20 filaments of 15 to 30 dtex are bundled.
  • the multifilament yarn for loop-shaped engaging element used for manufacturing a surface fastener has a breaking elongation of 25 to 45%
  • the effect of blending polytrimethylene terephthalate is best expressed. I found that If it is out of this range, the effect is reduced.
  • the breaking elongation of the multifilament yarn for loop-shaped engaging elements depends mainly on the draw ratio at the time of manufacturing the multifilament yarn, and the breaking elongation of 25 to 25
  • a multifilament yarn made of polybutylene terephthalate blended with 45% of polytrimethylene terephthalate is obtained.
  • Woven a fabric for hook-and-loop fasteners from the above-mentioned warp, weft, and multifilament yarn for loop-shaped engaging elements.
  • a plain weave in which the loop-shaped engaging element multifilament yarn (3) is part of the warp (1) is preferable, and the loop-shaped engaging element multifilament yarn is It is preferable to use a woven design that exists parallel to the warp, rises from the base fabric surface in the middle of the design, and forms the loop (4) without straddling the warp.
  • the weaving density of the warp is preferably 50 to 90 yarns / cm after the heat treatment, and the weaving density of the weft yarn is preferably 15 to 25 yarns / cm after the heat treatment.
  • the mass ratio of the weft yarn is preferably 10 to 45% with respect to the total mass of the loop-shaped engaging element yarn, the warp yarn, and the weft yarn constituting the surface fastener.
  • the number of the multifilament yarns for the loop-shaped engaging element is 3 to 6 for each 20 warps (including the monofilament yarn for the hook-shaped engaging element or the multifilament yarn for the loop-shaped engaging element).
  • a degree is preferable.
  • the ratio of one warp yarn (including the multifilament yarn for loop-shaped engaging element) to one multifilament yarn for the loop-shaped engaging element is such that the yarn for loop-shaped engaging element is relative to the warp yarn. It is preferable to be driven uniformly without being biased. Therefore, it is preferable that the loop-shaped engaging element threads are present on both sides of which four warp threads are continuous.
  • the loop-shaped engaging elements are arranged in a row in the warp direction (MD direction) on the woven fabric, and such a row is arranged in the weft direction (
  • the weft yarns that are present in multiple rows parallel to each other in the CD direction and that are straddled by the loop-shaped engaging elements that are present in the row are different from the weft threads that are straddled by the engaging elements in the adjacent row. It is preferable to do so because it is possible to prevent the force at the time of peeling from concentrating on a specific weft, and as a result, the peeling durability can be improved.
  • the engaging element yarn is woven into the woven fabric for every four warp yarns in parallel with the warp yarns (1), and the weft yarns (2) are suspended and suspended in five yarns. It is preferable that the engaging element loop (4) is formed at a position that floats up on the weft because both the engaging strength and the peeling durability can be satisfied.
  • the surface fastener fabric thus obtained is subjected to a heat treatment to melt the sheath component of the core-sheath type heat-fusible multifilament yarn constituting the weft.
  • the temperature during the heat treatment is generally 150 to 220 ° C., which is the temperature at which the sheath component of the heat-fusible multifilament yarn melts or softens but the other yarns do not melt, and more preferably 185 to It is in the range of 210 ° C.
  • the heat generated during this heat treatment causes the loop to twist naturally, and the loop surface is oriented in the warp direction.
  • a multifilament yarn from polybutylene terephthalate containing trimethylene terephthalate it is a multifilament yarn in which the above-mentioned thick filaments are bundled in a small number, and do not straddle the warp at the foot of the loop.
  • the loop surface is easily oriented in the warp direction.
  • FIG. 1 when the loop-shaped engaging element yarn forms a loop at a position where one weft yarn is straddled without straddling the warp yarn, it is easy to twist and the loop surface is easily oriented in the warp direction.
  • the loop surface faces the warp direction, uniform engagement with the hook-shaped engaging element is likely to occur, and the surface of the loop-shaped engaging element is rubbed with a cloth to form the loop-shaped engaging element.
  • splitting splitting
  • the multifilament yarn it is easy to split (split) into individual filaments, and part of the individual filaments is cut by the process of splitting (splitting) There is almost nothing.
  • the term "the loop surface is oriented in the warp direction" as used in the present invention means that the loop surface is oriented in a direction closer to the warp direction than the weft direction, in addition to the case where the loop surface is oriented completely in the warp direction. Inclusive.
  • FIG. 2 is a photograph of a case where the multifilament yarn constituting the loop-shaped engaging element of the surface fastener of the present invention is rubbed with a needle cloth to divide (separate) the multifilament yarn
  • FIG. I is a case where the conventional multifilament yarn for loop-shaped engaging elements is made of polybutylene terephthalate alone, and in this case, the multifilament yarn formed by rubbing with a cloth likewise does not divide into individual filaments. You can see from these pictures that it is not loose.
  • the density of the loop-shaped engaging elements in the loop surface fastener is preferably 25 to 125 pieces / cm 2 on the basis of the base cloth portion where the engaging elements are present. Further, the height of the loop-shaped engaging element is preferably 1.5 to 3.5 mm from the base cloth surface.
  • the surface of the loop-shaped engaging element is rubbed with a cloth or the like to divide (separate) the multifilament yarn forming the loop-shaped engaging element into individual filaments. It is more preferable to enhance the peeling durability.
  • polytrimethylene terephthalate is added to the multifilament yarn that constitutes the loop-shaped engaging element, it is easy to divide individual filaments (easy to separate). As a result, excellent engagement strength and peeling durability are obtained.
  • the present invention is also effective when the surface of the surface fastener has a loop-shaped engaging element and a hook-shaped engaging element.
  • the hook-shaped engaging element is required to have so-called hook shape retention and rigidity, in which the hook shape is not extended by a light force, and therefore thick monofilament thread is used.
  • the monofilament yarn a monofilament yarn which is particularly formed of polyethylene terephthalate or polybutylene terephthalate excellent in hook shape retention property and which is not melted at the temperature at which the heat fusible fiber is heat fused is used. ..
  • the thickness of the monofilament yarn for hook-shaped engaging elements is preferably 0.12 to 0.25 mm in diameter.
  • the monofilament yarn for hook-like engaging elements is woven in parallel with the warp yarns, and at the place where a loop for forming the hook-like engaging element is formed, 1 to 3 warp yarns, 1 to 3 weft yarns are skipped, and the space between the warp yarns is increased.
  • a woven structure is used so that it digs into it.
  • the number of monofilament threads for hook-shaped engaging elements is 20 warps in total of the monofilament threads for hook-shaped engaging elements and the multifilament threads for loop-shaped engaging elements (monofilament threads for hook-shaped engaging elements and loop-shaped (Including the multifilament yarn for the engaging element) is preferably 3 to 6, and the number ratio of the monofilament yarn for the hook-like engaging element and the multifilament yarn for the loop-like engaging element is 30:70 to 70:30. Is preferred. It is particularly preferable that a row in which a plurality of hook-shaped engaging elements are arranged in the warp direction and a row in which a plurality of loop-shaped engaging elements are arranged are alternately arranged in units of two rows on the fabric surface.
  • one leg side part of the loop for hook-shaped engaging elements protruding from the surface of the heat-treated surface fastener fabric is cut to form hook-shaped engaging elements. It is preferable that the hook-like engaging element loop is formed at a position where it crosses the ground warp as described above, because only one leg of the loop can be easily cut.
  • the height of the hook-shaped engaging element is preferably 1.5 to 2.5 mm from the base cloth surface and is 0.3 to 0.8 mm lower than the height of the loop-shaped engaging element.
  • Polybutylene terephthalate which composes the linear engaging element, is blended with polytrimethylene terephthalate, so that it has excellent flexibility and texture, but this effect is higher in the loop engaging element than in the hook engaging element. As a result, it becomes more remarkable.
  • the density of each of the hook-shaped engaging element and the loop-shaped engaging element in the hook / loop mixed type surface fastener is preferably 20 to 40 pieces / cm 2 on the basis of the base cloth portion where the engaging element exists. ..
  • the ratio of the number of hook-shaped engaging elements to the number of loop-shaped engaging elements is preferably in the range of 30:70 to 70:30.
  • the surface of the loop-shaped engaging element is rubbed with a cloth or the like to divide the multi-filament yarn constituting the loop-shaped engaging element into individual filaments (separation). It is preferable to improve the peeling durability.
  • the height of the loop-shaped engaging element is higher than the height of the hook-shaped engaging element, the hook-shaped engaging element is less likely to be scratched even if rubbed with a cloth or the like, and the engagement strength and the peeling durability are not impaired. ..
  • the loop surface fastener of the present invention can be used in the field of application where conventional general surface fasteners are used, but is particularly suitable for applications in which engagement and release are repeated.
  • conventional general surface fasteners for example, in addition to shoes, bags, hats, gloves, clothes, sphygmomanometers, supporters, banding bands for packing, binding tape, various toys, fixing of civil engineering construction sheets, storage boxes that can be freely assembled and disassembled, It can be used in a wide range of fields such as packaging cases, small items, and curtains.
  • the present invention will be described below with reference to examples.
  • the initial engagement strength was measured according to the method of JIS L3416: 2000, and the peeling durability was also measured according to JIS L3416: 2000.
  • the breaking elongation was measured according to JIS L1096: 2010 (method A).
  • the hook-and-loop fastener is a loop hook-and-loop fastener as an engagement partner at that time, a woven hook hook-and-loop fastener A8693Y.
  • hook-and-loop mixed type hook-and-loop fastener Kuraray Fastening Co., Ltd .: hook-and-loop mixed hook-and-loop fastener F9820Y.12
  • the hook-and-loop mixed hook-and-loop fastener was used. ..
  • Example 1 The following yarns were prepared as warp yarns, weft yarns, and multifilament yarns for loop-shaped engaging elements that form the base fabric of the surface fastener.
  • Core component polyethylene terephthalate (melting point: 260 ° C.)
  • Sheath component isophthalic acid 25 mol% copolymerized polyethylene terephthalate (softening point: 190 ° C.)
  • Core-sheath ratio mass ratio: 70:30 (core component: sheath component)
  • Total decitex and filament number 24 at 110 dtex
  • Multifilament yarn for loop-shaped engaging elements -Multifilament yarn made of polybutylene terephthalate polyester blended with 5% by mass of polytrimethylene terephthalate (melting point: 220 ° C) -Total decitex and number of filaments: 7 at 265 dtex-At a draw ratio of 3.0, the breaking elongation is 34.6% (average of 10 filaments)
  • the loop in the next row straddles (specifically, the weft thread that is located in the middle of the two weft threads that straddles the two front and rear loops in the row).
  • the weft thread is straddled by the loops in the next row), and a loop is formed on the base fabric.
  • the loop surface fastener tape woven under the above conditions is a temperature at which only the sheath component of the weft is heat-melted, and the warp, the multi-filament for loop engaging element, and the core component of the weft are not heat-melted.
  • Heat treatment was performed at 200 ° C. As a result, the sheath component was melted and the yarn existing in the vicinity was fused to the core component of the weft yarn.
  • the obtained loop hook-and-loop fastener had a loop-shaped engaging element density of 44 / cm 2 , the height of the loop-shaped engaging element from the base cloth surface was 2.4 mm, and the loop-shaped engaging element was When twisted, most of the loop surface was oriented in the warp direction. Table 1 below shows the results of the initial engagement strength of the obtained loop surface fastener and the peeling durability after repeating the engagement and peeling 5000 times.
  • loop forming element yarn forms a loop after sinking by one weft thread, and for nap raising with a loop engaging element density of 120 / cm 2 .
  • the loop fastener of the tissue was woven, and then the surface was rubbed with a needle cloth to divide (separate) the multifilament yarn constituting the loop-shaped engaging element.
  • the multifilament yarns forming the loop-shaped engaging element were almost completely divided into individual filaments (separated). However, no filaments broken by the cloth treatment were found.
  • the results of the initial engaging strength of the loop surface fastener rubbed with this cloth and the durability of the peeling after repeating the engagement and peeling 5000 times are also shown in the same table.
  • the loop surface fasteners of the present example are excellent in initial engagement strength, both for those without rubbing with the cloth and those with rubbing with the cloth for engaging 5000 times. It can be seen that the engaging strength after repeated peeling is extremely excellent.
  • the state of the loop-shaped engaging element of the loop surface fastener after repeating the engagement and disengagement 5000 times was observed by enlarging with a microscope, the filaments forming the multi-filament thread forming the loop-shaped engaging element were Some of them were broken, but they were scarcely broken, and the multifilament yarn was divided (separated) at the loop portion, and no collapsed loop-shaped engaging element was found.
  • Example 2 As the multifilament yarn for loop engaging elements used in Example 1 above, the blending amount of polytrimethylene terephthalate was 2% by mass (Example 2), 7% by mass (Example 3), and 0% by mass (comparison).
  • Example 1 A loop surface fastener was produced by the same method as in Example 1 except that the content was changed to 10% by mass (Comparative Example 2). Further, as Comparative Example 3, a loop surface fastener was produced in the same manner as in Example 1 using a multifilament yarn composed of polytrimethylene terephthalate alone as a multifilament yarn for loop-shaped engaging elements.
  • the draw ratios of the multifilament yarn having a blending amount of 2% by mass (Example 2) and the multifilament yarn having a blending amount of 7% (Example 3) were both 3 times, and as a result, the breaking elongation was increased. Were 25% and 40%, respectively.
  • the loop surface of each of the obtained loop fasteners was oriented in the warp direction, but as the blending amount of polymethylene terephthalate was increased, the loop surface was oriented in the warp direction accurately.
  • Table 1 below also shows the results of the initial engaging strength and the peeling durability after 5000 times of engaging and peeling of the obtained loop surface fastener. Further, the surface of each of these loop surface fasteners is rubbed with a needle cloth to divide (separate) the multifilament yarns that form the loop-shaped engaging element, and the initial engagement strength and 5000 times of engagement of the obtained loop surface fastener. The peeling durability was measured after repeating peeling. The results are also shown in the table.
  • Example 2 Furthermore, as a result of observing the state of the loop-shaped engaging element of the loop surface fastener after repeating the engagement and disengagement 5000 times with a microscope, those of Examples 2 and 3 were the same as those of Example 1. Some of the filaments forming the multifilament yarns that form the loop-shaped engaging element were broken at some parts, but almost no breakage was observed, and the multifilament yarns were further divided at the loop portion (individual No collapsed loop-shaped engaging element was found at all in the closed state. However, in the case of Example 3, the multifilament yarn that was partially broken was observed to be an extended yarn.
  • Comparative Example 1 the filaments forming the multi-filament forming the loop-shaped engaging element are considerably broken, and further the loop-shaped engaging element collapses to lose the engaging ability. I was able to see what I was doing. Further, in the case of a multifilament yarn consisting of polytrimethylene terephthalate alone, the stability of the loop shape was poor and it could not be used as an engaging element of a loop surface fastener.
  • Example 4 Comparative Example 4
  • every two multifilament yarns for loop-shaped engaging elements are replaced with the following monofilament yarns for hook-shaped engaging elements, and two rows of loop-shaped engaging element rows are provided on the surface of the surface fastener.
  • the same procedure as in Example 1 was carried out to produce a hook / loop mixed type surface fastener fabric (Example 4).
  • Example 4 the polybutylene terephthalate multifilament yarn used in Comparative Example 1 and containing no polytrimethylene terephthalate was used as the multifilament yarn for the loop-shaped engaging element.
  • a mixed-type surface fastener fabric was produced (Comparative Example 4).
  • Table 2 shows the results of the initial engagement strength of the two types of hook and loop mixed type surface fasteners obtained and the peeling durability after 5000 times of engagement and peeling.
  • the hook and loop mixed type surface fasteners were used as the mating partners.
  • Example 4 the multi-filament yarn forming the loop-shaped engaging element was formed. Some filaments were broken, but they were hardly broken, and the multi-filament yarn was split (separated) at the loop part, and no collapsed loop-shaped engaging element was found. There wasn't. On the other hand, in Comparative Example 4, the filaments forming the multi-filament forming the loop-shaped engaging element are considerably broken, and further the loop-shaped engaging element collapses to lose the engaging ability. I was able to see what I was doing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Woven Fabrics (AREA)

Abstract

L'invention concerne un élément de fixation tactile en boucle qui a une excellente libération et une excellente durabilité. L'élément de fixation tactile comprend un tissu de base qui a une pluralité d'éléments de mise en prise en forme de boucle sur sa surface. Les fibres qui constituent les éléments de mise en prise en forme de boucle comprennent un polyester de poly (téréphtalate de butylène) qui comprend de 1 à 8 % en masse de polytriméthylène téréphtalate.
PCT/JP2019/043144 2018-11-14 2019-11-01 Élément de fixation tactile ayant des éléments de mise en prise en forme de boucle et procédé de production pour élément de fixation tactile ayant des éléments de mise en prise en forme de boucle WO2020100639A1 (fr)

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EP19885239.4A EP3881710B1 (fr) 2019-11-01 Élément de fixation tactile ayant des éléments de mise en prise en forme de boucle et procédé de production pour élément de fixation tactile ayant des éléments de mise en prise en forme de boucle
JP2020556052A JP7299236B2 (ja) 2018-11-14 2019-11-01 ループ状係合素子を有する面ファスナー及びその製造方法

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58104216A (ja) * 1981-12-14 1983-06-21 Teijin Ltd ポリトリメチレンテレフタレ−ト繊維の製造法
JPH11244010A (ja) * 1998-03-06 1999-09-14 Ykk Corp 繊維製面ファスナーとその製造方法
WO2005122817A1 (fr) * 2004-06-17 2005-12-29 Kuraray Fastening Co., Ltd. Fermeture velcro en tissu
WO2007074791A1 (fr) 2005-12-26 2007-07-05 Kuraray Fastening Co., Ltd. Système amélioré de fixation de surface de boucle collé par auto-fusion
JP2014027988A (ja) 2012-07-31 2014-02-13 Kuraray Fastening Co Ltd 布製面ファスナーの組み合わせ
JP2016123419A (ja) * 2014-12-26 2016-07-11 クラレファスニング株式会社 ループ面ファスナー用生機およびループ面ファスナーの製造方法およびループ面ファスナー
JP2018029912A (ja) * 2016-08-26 2018-03-01 クラレファスニング株式会社 フック状係合素子を有する織面ファスナー

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58104216A (ja) * 1981-12-14 1983-06-21 Teijin Ltd ポリトリメチレンテレフタレ−ト繊維の製造法
JPH11244010A (ja) * 1998-03-06 1999-09-14 Ykk Corp 繊維製面ファスナーとその製造方法
WO2005122817A1 (fr) * 2004-06-17 2005-12-29 Kuraray Fastening Co., Ltd. Fermeture velcro en tissu
WO2007074791A1 (fr) 2005-12-26 2007-07-05 Kuraray Fastening Co., Ltd. Système amélioré de fixation de surface de boucle collé par auto-fusion
JP2014027988A (ja) 2012-07-31 2014-02-13 Kuraray Fastening Co Ltd 布製面ファスナーの組み合わせ
JP2016123419A (ja) * 2014-12-26 2016-07-11 クラレファスニング株式会社 ループ面ファスナー用生機およびループ面ファスナーの製造方法およびループ面ファスナー
JP2018029912A (ja) * 2016-08-26 2018-03-01 クラレファスニング株式会社 フック状係合素子を有する織面ファスナー

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3881710A4

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EP3881710A1 (fr) 2021-09-22
JPWO2020100639A1 (ja) 2021-09-24
JP7299236B2 (ja) 2023-06-27
EP3881710A4 (fr) 2022-08-03

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