CN117794418A - Dyed fabric fastening tape and dyeing method of fabric fastening tape - Google Patents
Dyed fabric fastening tape and dyeing method of fabric fastening tape Download PDFInfo
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- CN117794418A CN117794418A CN202280055047.0A CN202280055047A CN117794418A CN 117794418 A CN117794418 A CN 117794418A CN 202280055047 A CN202280055047 A CN 202280055047A CN 117794418 A CN117794418 A CN 117794418A
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- Prior art keywords
- loop
- yarn
- hooking element
- fabric
- fastening tape
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- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 description 1
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- IZMJMCDDWKSTTK-UHFFFAOYSA-N quinoline yellow Chemical compound C1=CC=CC2=NC(C3C(C4=CC=CC=C4C3=O)=O)=CC=C21 IZMJMCDDWKSTTK-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/004—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated using dispersed dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/34—Material containing ester groups
- D06P3/36—Material containing ester groups using dispersed dyestuffs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/002—Locally enhancing dye affinity of a textile material by chemical means
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Woven Fabrics (AREA)
- Coloring (AREA)
- Treatment Of Fiber Materials (AREA)
- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
Abstract
Supercritical CO for fabric sticking buckle tape 2 The dyed fabric fastening tape obtained by dyeing is dyed in a dark color and undergoes little thermal history in the dyeing process, and thus shows high elongation at break.
Description
Technical Field
The present invention relates to a fabric fastening tape having a high elongation at break and being dyed in a dark color (black), and more particularly, to a method of supercritical CO treatment of a fabric fastening tape 2 The dyed fabric fastening tape has high elongation at break and is dyed into dark color (black).
Background
In order to dye the fabric fastening tape to a dark color (black), a high dyeing temperature of 130 to 135 ℃ and a long dyeing time of 120 minutes (holding time of 60 minutes) are required in the current aqueous dyeing. As a result, the yarns constituting the fabric fastening tape become hard (the crystallinity of the yarns increases), and the repeated peeling durability (retention rate) of the dyed fabric fastening tape decreases. This is because the hook elements of the dyed hook and loop fabric fastener become hard, and therefore the degree to which the loop hook elements of the dyed loop fabric fastener are damaged or cut by repeated hooking and peeling increases, and the number of loop hook elements that can be hooked decreases. In order to maintain the repeated peeling durability (retention rate) of the dyed fabric fastening tape in a high state, it is necessary to reduce the temperature in the dyeing step, shorten the time, and moderate the heating process, thereby reducing the crystallinity of the yarn, particularly the loop fastening element.
Patent document 1 discloses a polyester fabric fastening tape dyed with a disperse dye. It is described that the fabric fastening tape is dyed by a "conventional method" using a disperse dye or the like under dyeing conditions of a dyeing time of 10 minutes to 10 hours at a temperature of about 100 to 150 ℃. In the examples, staining at 130℃for 1 hour is described. The dyeing of polyester-based fiber products using a disperse dye by the "conventional method" means dyeing in an aqueous medium, and it is clear from the dyeing conditions that the dyeing used in the above examples is dyeing in an aqueous medium.
Patent document 2 describes supercritical CO 2 A method for dyeing a fiber product using a disperse dye dyeable fiber as a medium.
Patent documents 3 to 6 describe the use of supercritical CO 2 Dyeing process for fiber products as medium.
Prior art literature
Patent literature
Patent document 1: japanese patent No. 4690315
Patent document 2: japanese patent laid-open No. 2002-363869
Patent document 3: international publication No. 2018/150480
Patent document 4: japanese patent laid-open No. 2004-323982
Patent document 5: japanese patent application laid-open No. 2012-188664
Patent document 6: international publication No. 2012/105011
Disclosure of Invention
Problems to be solved by the invention
In aqueous dyeing, the diffusion rate of the dye in the fiber becomes a speed limit, and therefore dyeing must be performed under the conditions of high temperature and long time as described above. In order to reduce the dyeing temperature and dyeing time, a large amount of a loading agent (surfactant or solvent) is required, and there is a disadvantage that the drainage load is increased.
In the aqueous dyeing described in patent document 1, when the fabric fastening tape is dyed with a disperse dye, the core component of the core-sheath composite fiber is not substantially dyed, and as a result, there is a problem that it cannot be dyed in a dark color, and discoloration is serious when exposed to high temperature, and the like. Further, since aqueous dyeing is performed under dyeing conditions of high temperature and long time, yarns constituting the fabric fastening tape are affected by the dyeing. As a result, the crystallinity of the yarn becomes high, and the yarn becomes hard. The hardened yarn, particularly the hardened hook and loop hook elements, is damaged or broken after repeated hooking/peeling, and the hook strength of the fabric fastening tape is lowered.
Patent documents 2 to 6 do not describe the passage of supercritical CO 2 Dyeing is carried out on the fabric sticking buckle belt. Further, the above problems in dyeing the fabric fastening tape by aqueous dyeing are not discussed at all.
Means for solving the problems
The inventors have found that in the case of aqueous dyeing of a fabric fastening tape with a disperse dyeAs a result of intensive studies on the problems of (a) and, as a result, it has been found that, in the use of supercritical CO 2 Dyeing (for example, dyeing temperature 120 ℃, pressure 25MPa, dyeing time 30 minutes) cannot be performed to dye the fabric fastening tape into a dark color. Furthermore, it was found that in the use of supercritical CO 2 When the fabric fastening tape is dyed, the degree of crystallinity of the fibers for the hook elements constituting the fabric fastening tape can be prevented from being significantly increased, and the elongation at break of the fibers for the hook elements after dyeing is significantly increased, as a result, the hook strength of the dyed fabric fastening tape is significantly improved as compared with the fabric fastening tape after aqueous dyeing. The present invention has been completed based on the above-described findings.
That is, the present invention provides the following dyed fabric fastening tape and the dyeing method of the fabric fastening tape.
1. A dyed fabric fastening tape is formed of a fabric base fabric formed of warp yarns and weft yarns and a plurality of hooking elements standing from one surface of the base fabric,
the above-mentioned hooking element is a loop hooking element, a hooking element or both,
the hooking element is formed by a yarn for hooking element woven into the base fabric in parallel with warp yarn,
The loop hooking element is formed by a yarn for the loop hooking element woven into the base fabric in parallel with the warp yarn,
the warp yarns are formed from polyethylene terephthalate polyester,
the yarn for the hooking element is formed of polyethylene terephthalate polyester or polybutylene terephthalate polyester,
the yarn for the loop hooking element is formed by polyethylene terephthalate polyester or polybutylene terephthalate polyester,
the weft yarn is formed of a core-sheath type hot-melt adhesive fiber comprising a hot-melt adhesive low-melting polyester resin as a sheath component and a polyethylene terephthalate polyester as a core component,
the root of the hooking element is fixed to the base fabric by fusion bonding with the molten sheath component,
the sheath component and the core component of the warp and the weft and the hooking element are dyed by disperse dyes, and
the dyed fabric fastening tape satisfies the following conditions (1) to (3):
(1) A disperse dye is present in the core component of the core-sheath type hot-melt adhesive fiber,
(2) The breaking elongation of the hooking element is 27-41%,
(3) The elongation at break of the loop hooking element is 35-45%.
2. The colored woven fastening tape according to the above 1, wherein,
the breaking elongation of the hooking element is 27-38%.
3. The dyed fabric fastening tape of 1 or 2 above, wherein,
the elongation at break of the loop hooking element is 35-40%.
4. The dyed fabric fastening tape of any one of the above 1 to 3, wherein,
the hooking element is a hooking element, and the crystallinity of the hooking element is 62-72%.
5. The dyed fabric fastening tape of any one of the above 1 to 4, wherein,
the above-mentioned hook element is a hook element, and the breaking strength of the hook element is 4.29-4.47 cN/dtex.
6. The dyed fabric fastening tape of any one of the above 1 to 3, wherein,
the above-mentioned hook element is a loop hook element, and the crystallinity of the loop hook element is 75-87%.
7. The dyed fabric fastening tape of any one of the above 1 to 3 and 6, wherein,
the above-mentioned hook element is a loop hook element, and the breaking strength of the hook element is 2.01-2.07 cN/dtex.
8. The dyed fabric fastening tape of any one of the above 1 to 7, wherein,
the transmittance of the sheath component (hot melt adhesive portion) of the core-sheath composite fiber is 70% or less.
9. A method of dyeing a fabric fastening tape, the method comprising:
in supercritical CO 2 The disperse dye is used for dyeing the fabric sticking buckle belt,
the fabric fastening tape is formed by a fabric base cloth and a plurality of hooking elements standing up from one surface of the base cloth, the fabric base cloth is formed by warp yarns and weft yarns,
the above-mentioned hooking element is a loop hooking element, a hooking element or both,
the hooking element is formed by a yarn for hooking element woven into the base fabric in parallel with warp yarn,
the loop hooking element is formed by a yarn for the loop hooking element woven into the base fabric in parallel with the warp yarn,
the warp yarns are formed from polyethylene terephthalate polyester,
the yarn for the hooking element is formed of polyethylene terephthalate polyester or polybutylene terephthalate polyester,
the yarn for the loop hooking element is formed by polyethylene terephthalate polyester or polybutylene terephthalate polyester,
the weft yarn is formed of a core-sheath type hot-melt adhesive fiber comprising a hot-melt adhesive low-melting polyester resin as a sheath component and a polyethylene terephthalate polyester as a core component,
The root of the hooking element is fixed to the base fabric by fusion bonding with the molten sheath component.
ADVANTAGEOUS EFFECTS OF INVENTION
Supercritical CO compared to aqueous dyeing 2 Dyeing is carried out at a dyeing temperature as low as about 15 ℃ and a dyeing time as short as about 30 minutes. Even if dyeing is carried out under such mild conditions, the supercritical CO-treatment of the present invention 2 In the dyed fabric fastening tape, the dye is also supplied into the yarn to be colored, and thus the fabric can be dyed to a specific sheath component (hot melt adhesive component) and core componentAnd darker colors (black) are ranked. Therefore, the dyed fabric fastening tape of the present invention has less discoloration of the back surface at high temperatures than the aqueous dyed fabric fastening tape. The amount of dye to be colored in the yarn increases, and therefore, the surface (the surface on which the hook and loop elements are present) is less discolored at high temperature than the aqueous dyed fabric fastening tape.
In addition, since the dyeing temperature is low and the dyeing time is short, the thermal influence on the yarn constituting the fabric fastening tape is relaxed, and therefore, the crystallinity of the dyed yarn is lower than in the case of aqueous dyeing. As a result, the yarn has soft hardness, the yarn has reduced breaking strength, and the elongation at break is improved. Therefore, the loop hook elements are less damaged than the aqueous dyed fabric fastening tape, and the hook elements and loop hook elements are soft, so that the hook elements easily enter between the loop hook elements, and the loop hook elements are also easily movable freely, whereby 1 hook element can grasp more filaments in the loop hook elements, and thus tensile shear strength, peel strength, and repeated peel durability (retention rate) are improved.
Detailed Description
The dyed fabric fastening tape is produced by supercritical CO 2 The medium is obtained by dyeing the fabric fastening tape by using disperse dye.
Supercritical CO 2 Dyeing can be carried out, for example, using a known dyeing apparatus having 3 beam (beam) dyeing tanks (tubes) and 1 CO 2 A pressure vessel with a storage tank set. Stirring is internal circulation type, and circulation pumps are arranged in the dyeing tanks. The length of the warp beam is about 2m, and the length of the dyeing tank is about 9 m.
At least one through-hole having a width of 3mm and a length of 3mm is provided in the warp beam in a range of 200mm wide by 800mm long. Supercritical CO 2 Through the through-going hole of the beam.
In supercritical CO 2 The circulation method of (a) includes both unidirectional circulation from the inside to the outside of the warp beam and bidirectional circulation from the inside to the outside and from the outside to the inside, and the switching can be made according to the state of the fabricA cyclic method.
Putting the warp beam wound with the fabric fastening tape into a dyeing tank to dissolve supercritical CO with disperse dye 2 (the concentration of disperse dye is usually 10 -6 About 0.2 mol/L) into the beam. Supercritical CO 2 And the disperse dye circulates inside and outside the warp beam through the through holes so as to penetrate the fabric fastening tape. Thus, the disperse dye passes through supercritical CO 2 The yarn is transported into the fiber of the fabric fastening tape, and the yarn of the fabric fastening tape is dyed, so that the dyed fabric fastening tape is obtained.
After dyeing, new liquefied CO 2 Into the apparatus, whereby used supercritical CO with dissolved residual disperse dye is fed 2 Transferring to a separating device. CO by reducing pressure in the separation device 2 Gasifying to separate and recover residual disperse dye. Gasified CO 2 About 95% of the recovered and made into liquefied CO again 2 And returned to the holding tank for reuse in the next batch.
Supercritical CO to be used 2 After being transferred to the separating device, the pressure of the dyeing tank is restored to the atmospheric pressure, the temperature is reduced, and the dried dyed fabric fastening tape is taken out from the dyeing tank.
Supercritical CO 2 The dyeing device is realized by mixing CO 2 And reusing and only consuming the disperse dye, thereby uniformly dyeing the fabric fastening tape into a single color without uneven devices.
For supercritical CO 2 As the disperse dye for dyeing, commercially available products such as phenylazo (monoazo and bisazo), heterocyclic azo (thiazole azo, benzothiazolazo, pyridone azo, pyrazolone azo, thiophene azo, etc.), anthraquinone, condensation (quinophthalone, styryl, coumarin, etc.), etc. can be used.
CO 2 Since the critical temperature is 31℃and the critical pressure is 7.38MPa, supercritical CO can be obtained by setting the critical temperature to a temperature not lower than the critical temperature and a pressure not lower than the critical pressure 2 . Since sufficient dyeing properties can be obtained, the dyeing temperature is preferably 110 to 130 ℃, more preferably 115 to 130 ℃, and even more preferably115-125 ℃. The dyeing pressure is preferably 20 to 30MPa. The dyeing time is preferably 10 to 50 minutes.
Since dyeing is completed in a short period of time, it is particularly preferable to perform dyeing while maintaining the temperature at 120℃and the pressure at 25MPa for 30 minutes.
The characteristics of the dyed fabric fastening tape of the present invention obtained as described above will be described below. The following characteristics were measured by the methods described in examples.
Crystallinity degree
Supercritical CO as described above 2 Dyeing is carried out under milder conditions (lower temperature, shorter time) than aqueous dyeing. Thus, in the present invention, the fabric hook and loop fastener undergoes less thermal history, and the yarns in the dyed fabric hook and loop fastener exhibit lower crystallinity than in the case of aqueous dyeing.
The crystallinity of the hook elements of the dyed hook and loop fastener is preferably 62 to 72%, more preferably 65 to 72%, and the crystallinity of the loop hook elements of the dyed loop fastener is preferably 75 to 87%, more preferably 78 to 82%. The method for measuring the crystallinity is described later.
Tensile characteristics
As described above, the yarns in the dyed fabric fastening tape of the present invention exhibit lower crystallinity than in the case of aqueous dyeing. Therefore, the hardness of the hooking element is reduced, the breaking strength is lowered, and the breaking elongation and the breaking length are increased, as compared with the case of aqueous dyeing.
By having such stretch characteristics, the filaments in the loop hooking element are less damaged, and the hooking element can easily grasp a plurality of filaments. As a result, the dyed fabric fastening tape has high fastening strength.
The breaking elongation of the hooking element of the dyed hook fabric fastening tape is preferably 27-41%. The elongation at break of the loop hooking element of the dyed loop fabric fastening tape is preferably 35-45%.
The breaking strength of the hook-and-loop fastening element of the dyed hook-and-loop fabric fastening tape is preferably 4.29 to 4.47cN/dtex, more preferably 4.35 to 4.47cN/dtex, and the breaking strength of the loop-and-loop fastening element of the dyed loop fabric fastening tape is preferably 2.01 to 2.07cN/dtex, more preferably 2.03 to 2.07cN/dtex.
The method for measuring the elongation at break and the breaking strength will be described later.
Affinity for dyeing
Supercritical CO compared to aqueous dyeing 2 Dyeing is capable of supplying dye to the inside of the fiber. Accordingly, the dyed fabric fastening tape is dyed a darker color, and the core component and the sheath component of the weft yarn are also dyed. In particular, the disperse dye intrudes into the core component and stains the core component.
Further, the disperse dye intrudes into the hook element, and is colored to a portion other than a range of 65.0±10.0% from the center, that is, a portion of the cross section of the hook element, preferably a portion of the cross section, which is colored from the surface toward the center to 25.0% of the radius, more preferably a portion of the cross section, which is colored from the surface toward the center to 45.0% of the radius.
In the dyed fabric fastening tape of the present invention, the sheath component (hot-melt adhesive portion) has a transmittance of 70% or less and is uniformly dyed. The transmittance is preferably 70% or less, more preferably 50% or less.
The method for measuring the dye affinity and transmittance will be described later.
Hook strength of dyed fabric fastening tape
As described above, supercritical CO was performed 2 The dyed fabric fastening tape undergoes less thermal history, and therefore, the yarns constituting the fabric fastening tape have low crystallinity, low breaking strength, and large breaking elongation and breaking length, as compared with the case of aqueous dyeing. When the crystallinity of the hook and loop engaging elements is low, the hardness of the hook and loop engaging elements is reduced, and the hook and loop engaging elements can easily grasp the loop engaging elements. As a result, tensile shear strength (shear strength) and peel strength (peel strength) are improved as compared with the case of aqueous dyeing.
The initial tensile shear strength of the dyed fabric fastening tape is preferably 4.9-11.5N/cm 2 The initial peel strength is preferably 0.77 to 1.31N/cm. "initial" refers to the first measurement of tensile shear strength and peel strength after manufacture.
The dyed fabric fastening tape of the present invention has less decrease in tensile shear strength and peel strength than in the case of aqueous dyeing, even if the fastening/peeling is repeated. As described above, it is considered that this is because the degree of crystallinity is low compared with the case of aqueous dyeing, and therefore the hardness of the hook elements and the loop hook elements is reduced, and the damage and cutting of filaments in the loop hook elements due to repeated hooking/peeling are reduced, and more filaments in the loop hook elements are gripped by 1 hook element.
The tensile shear strength of the dyed fabric fastening tape after repeated hooking/stripping for 5000 times is preferably 4.0-11.0N/cm 2 The peel strength after repeated hooking/peeling for 5000 times is preferably 0.55 to 1.15N/cm.
The method for measuring the tensile shear strength, the peel strength, and the tensile shear strength and the peel strength after repeated hooking/peeling 5000 times will be described later.
Sublimation color fastness at high temperature
In comparison with aqueous dyeing, in supercritical CO 2 In dyeing, since both the sheath component (melt-bonded portion) and the core component of the warp and weft yarns are dyed, the dyed hook and loop fabric fastener and the back surface (the surface on which the hook elements are not present) of the dyed loop fabric fastener are less discolored at high temperature, and the sublimation color fastness at 160 ℃ or more, preferably 160 to 200 ℃ of the back surface is excellent.
Further, since not only the sheath component (melt-bonded portion) and the core component of the weft yarn are dyed, but also the loop hook element is dyed, and the disperse dye is colored inside the hook element, the surfaces of the dyed hook fabric fastening tape and the dyed loop fabric fastening tape (the surface on which the hook element is present) are less discolored at high temperature, and sublimation color fastness at 160 ℃ or more, preferably 160 to 200 ℃ of the surfaces is excellent. The method of measuring sublimation color fastness is described later.
The fabric fastening tape (hook fabric fastening tape, loop fabric fastening tape, hook and loop mixed fabric fastening tape) used in the present invention will be described below, but the fabric fastening tape used in the present invention is not limited thereto.
Hook fabric sticking buckle tape
The hook-and-loop fastener used in the present invention has a hook element formed of a plurality of monofilaments, preferably 30 to 120 pieces/cm, on one surface of the base fabric 2 . The monofilament yarn is woven into the base fabric in a loop shape, and the loop shape is fixed by heating, and the loop is cut at one leg, thereby obtaining the hook element.
The base fabric is preferably a fabric woven from warp yarns, weft yarns, and hook elements with monofilament yarns. Particularly preferred are:
the warp yarns and the weft yarns are multifilament yarns, the weft yarns have hot melt viscosity,
the hooking element is woven into the fabric with monofilament yarns parallel to the warp yarns,
the hooking element is formed by loops formed by a monofilament yarn for the hooking element crossing over the plurality of warp yarns, and
the root of the hooking element is fixed to the base fabric by fusion bonding with the weft yarn.
In the present invention, hot melt tackiness means a property of softening by heating. More specifically, the term "hot-melt adhesive fibers" refers to fibers that soften when heated to a temperature equal to or higher than a predetermined temperature, and that are in intimate contact with the fibers, thereby melt-bonding the fibers.
From the viewpoint of preventing the base fabric surface from fluctuating due to heat, water absorption or moisture absorption, and further from the viewpoint of improving the hot melt adhesion of the weft yarns, the warp yarns are preferably multifilament yarns consisting essentially of polyethylene terephthalate-based polyesters (including recycled polyethylene terephthalate-based polyesters). More preferably multifilament yarns formed from polyethylene terephthalate homopolymers, including recycled polyethylene terephthalate homopolymers. The melting point of the polyethylene terephthalate polyester and the polyethylene terephthalate homopolymer is preferably 250 to 260 ℃.
The polyethylene terephthalate polyester described above and below is a polyester mainly comprising ethylene terephthalate units, and is mainly obtained by a condensation reaction between terephthalic acid and ethylene glycol, and if necessary, a small amount of a polymerization unit other than terephthalic acid and ethylene glycol may be added. Examples of such a polymerization unit include aromatic dicarboxylic acids such as isophthalic acid, sodium sulfoisophthalic acid, phthalic acid, and naphthalene dicarboxylic acid; aliphatic dicarboxylic acids such as adipic acid and sebacic acid; dihydric alcohols such as propylene glycol and 1, 4-butanediol; hydroxy carboxylic acids such as hydroxy benzoic acid and lactic acid; monocarboxylic acids such as benzoic acid, and the like. In addition, a small amount of other polymers may be added to the polyethylene terephthalate polyester. The polyethylene terephthalate polyester is preferably a polyethylene terephthalate homopolymer. The monofilaments forming the warp yarn (multifilament yarn) must be formed of polyethylene terephthalate polyester which does not melt at the heat treatment temperature described later. The melting point of the polyethylene terephthalate polyester forming the warp yarn is preferably 250 to 260 ℃.
The multifilament yarn used as warp yarn is preferably formed of 20 to 54 filaments and has a total dtex of 100 to 300 dtex. Multifilament yarns having a total dtex of 150 to 250 dtex formed from 24 to 48 filaments are particularly preferred.
The weft yarns are preferably hot melt adhesive multifilament yarns. As a preferable example of the hot-melt adhesive multifilament yarn, a multifilament yarn in which core-sheath type hot-melt adhesive filaments having a sheath component as a hot-melt adhesive component are bundled is given.
When the weft yarn is a hot-melt adhesive multifilament yarn, the hook element can be firmly fixed to the base fabric with the monofilament yarn. Unlike the conventional hook and loop fastener, the primer resin of polyurethane or acrylic is not required to be coated on the back surface of the hook and loop fastener base fabric in order to prevent the extraction of the monofilament yarn for the hooking element from the base fabric, and the process can be simplified. In addition, the back surface of the base fabric is not fixed by the primer resin, so that the flexibility and the air permeability of the hook and loop fastener are not impaired. In addition, the problem of poor dyeing properties of the hook and loop fastener due to the presence of the primer resin layer does not occur.
As the core-sheath type hot-melt adhesive multifilament yarn, a multifilament yarn formed by bundling a plurality of core-sheath type monofilaments, in which a sheath component (hot-melt adhesive portion) is formed of a hot-melt adhesive polyester-based resin that melts at a heat treatment temperature and can firmly fix the root portion of the monofilament yarn for a hook element to a base fabric, and in which a core component is formed of a polyester-based resin that does not melt at a heat treatment temperature, is preferable.
Specific examples of the core-sheath type multifilament include core-sheath type monofilament yarns comprising polyethylene terephthalate (including recycled polyethylene terephthalate) as a core component and copolymerized polyethylene terephthalate (including recycled copolymerized polyethylene terephthalate) as a sheath component, wherein the copolymerized polyethylene terephthalate has a significantly reduced melting point or softening point by copolymerizing a large amount (for example, 20 to 30 mol%) of a copolymerization component such as isophthalic acid or adipic acid. The melting point or softening point of the sheath component is preferably 100 to 200 ℃ and 20 to 150 ℃ lower than the melting point of the warp yarn, the core component and the monofilament for the hooking element. The core-sheath type hot-melt adhesive fiber may have a cross-sectional shape of concentric core-sheath, eccentric core-sheath, or single core-sheath, or multi-core-sheath.
Since the hooking element can be firmly fixed to the base fabric with the monofilament yarn, it is preferable that all of the multifilament yarns constituting the weft yarn are the above-mentioned hot-melt adhesive multifilament yarns. In the case of a multifilament yarn constituting a weft yarn, not the cross-sectional shape of the core-sheath but a filament yarn having a cross-section entirely made of a hot-melt adhesive polymer, the hot-melt adhesive polymer after melting and resolidifying is brittle and easily broken, and in the case of sewing or the like, the base fabric is easily broken from the slit yarn portion. Accordingly, the hot-melt adhesive multifilament yarn preferably comprises a core component that is not hot-melt bonded, preferably having the cross-sectional shape of the core-sheath. The mass ratio of the core component to the sheath component is preferably 50:50 to 80:20, more preferably 55:45 to 75:25.
The weft yarn is preferably a multifilament yarn having a total dtex of 80 to 300 dtex formed from 10 to 72 hot-melt adhesive monofilament yarns, and particularly preferably a multifilament yarn having a total dtex of 90 to 200 dtex formed from 18 to 36 hot-melt adhesive monofilament yarns.
The resin forming the monofilament yarn for the hook element is preferably a polyethylene terephthalate polyester (including recycled polyethylene terephthalate polyester) or a polybutylene terephthalate polyester, more preferably a polyethylene terephthalate polyester (including recycled polyethylene terephthalate polyester), and still more preferably a polyethylene terephthalate homopolymer (including recycled polyethylene terephthalate homopolymer).
Details of the polyethylene terephthalate polyester are as described above.
The polybutylene terephthalate-based polyester is a polyester mainly comprising a polybutylene terephthalate unit, and is mainly obtained by a condensation reaction between terephthalic acid and 1, 4-butanediol, and if necessary, a small amount of a polymerization unit other than terephthalic acid and 1, 4-butanediol may be added. Examples of such a polymerization unit include aromatic dicarboxylic acids such as isophthalic acid, sodium sulfoisophthalic acid, phthalic acid, and naphthalene dicarboxylic acid; aliphatic dicarboxylic acids such as adipic acid and sebacic acid; glycol such as ethylene glycol and propylene glycol; hydroxy carboxylic acids such as hydroxy benzoic acid and lactic acid; monocarboxylic acids such as benzoic acid, and the like. Further, other polymers such as polyester elastomer and polytrimethylene terephthalate may be added in a small amount to the polyethylene terephthalate polyester and polybutylene terephthalate polyester, and for example, 0.2 to 8% by mass may be added.
The melting point of the polyethylene terephthalate polyester is preferably 250-260 ℃, and the melting point of the polybutylene terephthalate polyester is preferably 220-230 ℃.
The filament yarn for the hooking element is preferably 0.10 to 0.23mm in diameter, more preferably 0.14 to 0.20mm in diameter, from the viewpoint of both the hooking strength and the soft feel.
The warp yarn, weft yarn and monofilament yarn for the hook element described above are woven into a fabric for a hook fabric fastening tape. The weave pattern of the fabric is preferably plain weave with the hook elements having monofilament yarns as part of the warp yarns. The monofilament yarn for a hook element is preferably present in parallel with the warp yarn, and stands up from the base fabric surface in the middle of the weave, and a loop for a hook element is formed across a plurality of warp yarns.
Preferably, the fabric density of the warp yarns is 50 to 90 pieces/cm in terms of the fabric density after heat treatment, and the fabric density of the weft yarns is 15 to 25 pieces/cm in terms of the fabric density after heat treatment. The mass ratio of the weft yarn is preferably 10 to 45% relative to the total mass of the yarn for the hook element, the warp yarn and the weft yarn constituting the hook and loop fastener.
The number of the monofilament yarns for the hook elements to be woven into is preferably 3 to 6 with respect to 20 warp yarns (including the monofilament for the hook elements). More preferably 1, per 5 warp yarns (including monofilament yarns for hooking elements). The hooking elements are preferably woven in with monofilament yarns uniformly and unbiased with respect to the warp yarns. Therefore, it is preferable that monofilament yarns for hooking elements are present on both sides of the 4 warp yarns.
In order to satisfy both the hooking strength and the peeling durability, it is preferable that the monofilament yarn for the hooking element is woven into the fabric base fabric in parallel with the warp yarns so that every 4 warp yarns are woven, and after 5 weft yarns are raised/lowered, the monofilament yarn is raised on the weft yarns, and the loop for the hooking element is formed across 3 warp yarns and 1 weft yarn. The following weaving process is preferably repeated: the looped monofilaments then raised over the weft yarns after raising/sinking 5 weft yarns, spanning 3 warp yarns and 1 weft yarn to form loops, sinking below the warp yarns and weft yarns.
Subsequently, the hook and loop fastener fabric thus obtained is heat-treated to melt the sheath component of the core-sheath type hot-melt adhesive multifilament yarn constituting the weft yarn. Thus, there is no need for primer treatment performed by the conventional hook and loop fastener, and deterioration of the working place environment due to evaporation of the organic solvent used for the primer resin liquid, problems of adhesion of the primer resin liquid to the manufacturing apparatus, problems of deterioration of flexibility and air permeability of the hook and loop fastener due to the primer resin, and problems of deterioration of dyeing properties of the hook and loop fastener due to the presence of the primer resin can be prevented.
The heat treatment temperature is preferably 150 to 220 ℃, more preferably 185 to 210 ℃, in which the sheath component of the hot-melt adhesive multifilament yarn is melted or softened, but the loops for the hook elements, the warp yarn, and the core component are not melted. Further, since the shape of the loop for the hook element is fixed by this heat treatment, the hook shape can be maintained even if the single leg of the loop is cut.
The surface of the hook and loop fastener fabric thus obtained is preferably 30 to 120 pieces/cm 2 There is a loop for the hooking element whose shape is fixed. Then, the single leg of the loop for hooking the element is cut to obtain the hooking element. Cutting of the single leg is typically performed by a clipper or the like.
From the viewpoint of preventing fibrillation caused by frequent hooking/peeling of the hooking elements more highly, it is more preferable that the single-leg cutting is performed at a position slightly offset from the top of the loop toward one leg side, that is, when the height from the base cloth surface to the top of the loop is 1, the loop is cut at a position near the top and slightly offset from the top, which is 2/3 or more from the base cloth surface.
The density of the hook elements on the surface of the hook and loop fastener thus obtained is preferably 25 to 125 pieces/cm based on the base fabric portion where the hook elements are present 2 . The height of the hooking element is preferably 1.0 to 2.5mm from the base fabric surface.
Loop fabric sticking buckle belt
The loop fabric fastening tape used in the present invention has a plurality of loop hooking elements on one surface, preferably 30 to 120 loop hooking elements/cm 2 Exists.
The base fabric is preferably a fabric woven from warp, weft and loop hooking elements with yarns.
In addition, it is particularly preferable that the warp yarn, the weft yarn, and the yarn for the loop hooking element are multifilament yarns, the weft yarn has a hot melt adhesive property, the yarn for the loop hooking element is woven into the fabric in parallel with the warp yarn, the yarn for the loop hooking element is made to span 1 weft yarn without crossing the warp yarn, thereby forming the loop hooking element, and the root portion of the loop hooking element is fixed to the base fabric by melt adhesion with the weft yarn.
From the viewpoint of preventing the base fabric surface from fluctuating due to heat, water absorption or moisture absorption, and further from the viewpoint of improving the hot melt viscosity of the weft yarns, the warp yarns are preferably multifilament yarns consisting essentially of polyethylene terephthalate-based polyesters (including recycled polyethylene terephthalate-based polyesters), more preferably multifilament yarns consisting of polyethylene terephthalate homopolymers (including recycled polyethylene terephthalate homopolymers). Details of the polyethylene terephthalate polyester are as described above.
The multifilament yarn used as the warp yarn is preferably formed of 20 to 54 monofilaments and has a total dtex of 100 to 300 dtex. Multifilament yarns having a total dtex of 150 to 250 dtex formed from 24 to 48 filaments are particularly preferred.
The weft yarns are preferably hot melt adhesive multifilament yarns. As a preferable example of the hot-melt adhesive multifilament yarn, a multifilament yarn in which core-sheath type hot-melt adhesive filaments having a sheath component as a hot-melt adhesive component are bundled is given.
When the weft yarn is a hot-melt adhesive multifilament yarn, the yarn for the loop hooking element can be firmly fixed to the base fabric. Unlike the conventional loop fabric fastening tape, there is no need to apply a polyurethane-based and acrylic-based primer resin to the back surface of the loop fabric fastening tape base fabric in order to prevent the yarn for the loop fastening element from being pulled out of the base fabric, and the process can be simplified. In addition, the back surface of the base fabric is not fixed by the primer resin, so that the softness and air permeability of the loop fabric fastening tape are not impaired. Further, the problem of the staining property of the loop fabric fastening tape being impaired by the presence of the primer resin layer can be prevented.
As the core-sheath type hot-melt adhesive multifilament yarn, a multifilament yarn formed by bundling a plurality of core-sheath type monofilaments, in which the sheath component (hot-melt adhesive portion) of the core-sheath type monofilaments is formed of a hot-melt adhesive polyester-based resin that melts at a heat treatment temperature and can firmly fix the root portion of the multifilament yarn for the loop hooking element to the base fabric, and the core component is formed of a polyester-based resin that does not melt under a heat treatment condition, is exemplified as a preferable example.
As the core-sheath type hot-melt adhesive multifilament yarn, a multifilament yarn formed by bundling a plurality of core-sheath type monofilaments, in which the sheath component is formed of a hot-melt adhesive polyester-based resin that melts at a heat treatment temperature and can firmly fix the root of the monofilament yarn for the hook element to the base fabric, and the core component is formed of a polyester-based resin that does not melt at a heat treatment temperature, is preferable.
Specific examples of the core-sheath type multifilament yarn include core-sheath type polyester monofilament yarns comprising polyethylene terephthalate (including recycled polyethylene terephthalate) as a core component and polyethylene terephthalate (including recycled polyethylene terephthalate) having a melting point or softening point greatly reduced by copolymerizing a large amount (for example, 20 to 30 mol%) of a copolymerization component such as isophthalic acid or adipic acid as a sheath component. The melting point or softening point of the sheath component is preferably 100 to 200 ℃ and 20 to 150 ℃ lower than the melting point of the warp yarn, the core component, the monofilament for a hook element, and the multifilament yarn for a loop hook element. The core-sheath type hot-melt adhesive fiber may have a cross-sectional shape of concentric core-sheath, eccentric core-sheath, or single core-sheath, or multi-core-sheath.
The multifilament yarns constituting the weft yarns are preferably all the core-sheath type hot-melt adhesive monofilament yarns, since the yarns for the loop hooking elements can be firmly fixed to the base fabric. In the case where the multifilament yarn constituting the weft yarn is formed of only a hot-melt adhesive polymer, the hot-melt adhesive polymer after melting and resolidifying is brittle and is easily broken, and therefore, in the case where sewing or the like is performed, the base fabric is easily broken from the sewn yarn portion. Accordingly, the hot melt adhesive monofilament yarns preferably comprise a component that is not hot melt adhesive, and more preferably have the cross-sectional shape of the core-sheath. The mass ratio of the core component to the sheath component is preferably 20:80 to 80:20, more preferably 75:25 to 55:45.
The weft yarn is preferably a multifilament yarn having a total dtex of 80 to 300 dtex formed from 10 to 72 hot-melt adhesive monofilament yarns, and particularly preferably a multifilament yarn having a total dtex of 100 to 240 dtex formed from 18 to 36 hot-melt adhesive monofilament yarns.
The yarn for loop hooking element is preferably a multifilament yarn comprising 6 to 12 filaments, preferably 6 to 9 filaments of 32 to 45 dtex.
The resin forming the multifilament yarn for loop hooking elements is preferably a polyethylene terephthalate-based polyester or a polybutylene terephthalate-based polyester, more preferably a polyethylene terephthalate-based polyester (including recycled polyethylene terephthalate-based polyesters). Details of the polyethylene terephthalate polyester and polybutylene terephthalate polyester are as described above.
The above-described warp yarn, weft yarn and multifilament yarn for the loop fastening element are woven into a loop fabric for a fastening tape. As the weave pattern of the fabric, plain weave using multifilament yarns for loop-hooking elements as part of the warp yarns is preferred. The multifilament yarn for the loop hooking element is preferably present in parallel with the warp yarn, and is erected from the base fabric surface halfway, and after 1 to several weft yarns are spanned without crossing the warp yarn, it is sunk under the weft yarn to form a loop.
Preferably, the fabric density of the warp yarns is 50 to 90 pieces/cm in terms of the fabric density after heat treatment, and the fabric density of the weft yarns is 15 to 25 pieces/cm in terms of the fabric density after heat treatment. The mass ratio of the weft yarn is preferably 10 to 45% relative to the total mass of the yarn for the loop fastening element, the warp yarn, and the weft yarn constituting the loop fabric fastening tape.
The number of the multifilament yarns for the loop hooking elements to be woven into the warp yarn 20 (including the multifilament yarns for the loop hooking elements) is preferably 3 to 6. More preferably, the number of multifilament yarns for loop hooking elements is 1 per 5 warp yarns (including multifilament yarns for loop hooking elements). The loop hooking element yarns are preferably woven uniformly and unbiased with respect to the warp yarns. Therefore, it is preferable that multifilament yarns for loop hooking elements are present on both sides of 4 warp yarns.
In the loop fabric fastening tape, the loop hooking elements are arranged in rows in the warp direction (MD direction), and a plurality of such rows exist in parallel in the weft direction (CD direction). By making the weft yarn spanned by the loop hooking elements of one row different from the weft yarn spanned by the loop hooking elements of the adjacent row, it is possible to prevent the force at the time of peeling from concentrating on a specific weft yarn, and as a result, peeling durability is improved, which is preferable.
In particular, in the present invention, since both the hook strength and the peel durability can be satisfied, it is preferable that the yarn for a loop hooking element is woven in parallel with the warp yarn so as to weave in every 4 warp yarns, and after 5 weft yarns are raised/lowered, the yarn is raised on the weft yarn, and 1 weft yarn is spanned, thereby forming a loop for a hooking element.
Subsequently, the loop fabric fastening tape fabric thus obtained is heat-treated to melt the sheath component of the core-sheath type hot-melt adhesive multifilament yarn constituting the weft yarn. Thus, there is no need for primer treatment performed by the conventional loop fabric fastening tape, and deterioration of the work environment due to evaporation of the organic solvent used for the primer resin liquid, problems of adhesion of the primer resin liquid to the manufacturing apparatus, problems of deterioration of flexibility and air permeability of the loop fabric fastening tape due to the primer resin layer, and problems of deterioration of dyeing properties of the loop fabric fastening tape due to the presence of the primer resin can be prevented. The heat treatment temperature is preferably 150 to 220 ℃, more preferably 185 to 210 ℃, which is a temperature at which the sheath component of the hot-melt adhesive multifilament yarn melts or softens but the loops for the loop hooking element, the warp yarn and the core component do not melt.
The loops twist naturally due to heat during heat treatment, and the loop surfaces cross the warp direction. In particular, when a small amount of the above-described multifilament yarn in which the thick monofilaments are bundled is formed without crossing the warp yarn, the yarn is easily twisted and the loop surface is crossed with the warp yarn direction. In particular, when a loop is formed by crossing 1 weft yarn without crossing over the warp yarn, the loop surface is likely to be twisted and cross the warp yarn direction.
When the loop surface crosses the warp direction, uniform hooking with the hooking element is likely to occur. Further, by carding the surface of the loop hooking element with clothing or the like, it is easy to divide into individual filaments (easily spread) without cutting the loop hooking element.
For the density of the loop fastening elements in the loop fabric fastening tape, it is preferably 25 to 125 per cm based on the base fabric portion where the loop fastening elements are present 2 . The height of the loop hooking element is preferably 1.5 to 3.5mm from the base fabric surface.
From the viewpoint of improving the peeling durability, it is more preferable to divide (spread) the multifilament yarn forming the loop hooking element into individual filaments by rubbing the surface of the loop hooking element with a card clothing or the like.
Hook/loop mixed fabric fastening tape
The hook/loop mixed fabric fastening tape (hereinafter, sometimes simply referred to as "mixed fabric fastening tape") is a fabric fastening tape in which a hook engaging element and a loop engaging element are present on the same side of a base fabric.
A hook element of a hook and loop mixed fabric fastening tape (hereinafter, sometimes simply referred to as "mixed fabric fastening tape") requires rigidity and so-called hook-shape retention property that hook shapes do not stretch due to light force, and thus, a thick synthetic fiber monofilament is used. As such monofilaments, monofilaments formed of polybutylene terephthalate-based polyesters or polyethylene terephthalate-based polyesters (including recycled polyethylene terephthalate-based polyesters) having particularly excellent hook shape retention properties can be used.
Details of the polyethylene terephthalate polyester and polybutylene terephthalate polyester are as described above.
The monofilament yarn for the hooking element is preferably 0.12 to 0.22mm in diameter, since the hooking element is easily formed when the thickness is 0.10 to 0.25 mm. The thickness is slightly smaller than that of the hook element of the conventional general fabric fastening tape, but such thickness brings flexibility to the fabric fastening tape in which hooks and loops are mixed.
The height of the hooking element is preferably 1.5 to 3.0mm, more preferably 1.8 to 2.5mm.
The density of the hooking elements is preferably 15-50 per cm 2 More preferably 20 to 40 per cm 2 。
The loop hooking element is a multifilament yarn formed from a monofilament formed from a polyethylene terephthalate polyester or a polybutylene terephthalate polyester. Details of the polyethylene terephthalate polyester and polybutylene terephthalate polyester are as described above.
The multifilament yarn for the loop hooking element is preferably a multifilament yarn having a total dtex of 150 to 350 dtex formed from 5 to 9 filaments. In order to firmly fix the loop fastening element to the base fabric by hot melt bonding, which will be described later, it is preferable that the number of filaments is small, and therefore, the number of filaments of the multifilament for forming the loop fastening element of the mixed fabric fastening tape is slightly smaller than the number of filaments of the multifilament for forming the loop fastening element, which is generally used, by 10 to 24. More preferably, the multifilament yarn is formed of 6 to 8 filaments and has a total dtex of 230 to 330 dtex.
The height of the loop hooking element is preferably 1.6 to 4.0mm, more preferably 2.0 to 3.3mm. Since a soft skin touch can be obtained, it is preferable that the height of the hook element is 1.5 to 3.0mm, the height of the loop hook element is 1.6 to 4.0mm, and the loop hook element is 0.1 to 1.0mm higher than the hook element, and it is more preferable that the height of the hook element is 1.8 to 2.5mm, the height of the loop hook element is 2.0 to 3.3mm, and the loop hook element is 0.2 to 0.8mm higher than the hook element.
The density of the loop hooking elements (multifilament) is preferably 15 to 50 per cm 2 More preferably 20 to 40 pieces/cm 2 . Further, 100× (number of loop hooking elements)/(number of loop hooking elements+number of hooking elements) is preferably 30 to 70, more preferably 45 to 55.
The monofilament yarn for the hook element and the multifilament yarn for the loop element are inserted into the base fabric in parallel with the warp yarns. The monofilament yarn for the hooking element is raised on the base fabric after raising/sinking a plurality of (e.g., 5) wefts, and spans a plurality of (e.g., 3 to 4) warps and a plurality of (e.g., 1 to 2) wefts, thereby forming loops with loop surfaces intersecting the warp direction. In the case of the loop hooking element, it is preferable that the loop is formed so that the loop surface is substantially parallel to the warp direction without crossing the warp, in view of easy hooking of the loop hooking element to the loop hooking element.
The loop for the hook element and the loop for the loop hook element are formed and heat treated to fix the shape of each loop. In this heat treatment, the hot-melt adhesive fibers (weft yarn) are melt-bonded to the root portions of the loop fastener and the loop for the loop fastener, and the loop fastener and the loop for the loop fastener are fixed to the base fabric.
The heat treatment temperature is a temperature at which the sheath component of the hot-melt adhesive fiber melts, but the warp yarn, the loop-fastening element, the loop for the loop-fastening element, and the core component of the hot-melt adhesive fiber do not melt, and is preferably 150 to 250 ℃, more preferably 185 to 220 ℃.
After the heat setting, one loop leg of the loop for the hook element is cut, thereby obtaining the hook element. The cutting is preferably performed using a cutting device having 1 movable cutter reciprocating between 2 fixed blades. Wherein, the movable cutting knife is not arranged at the passing part of the loop hooking element. As described above, since the loop for hooking element is formed across the warp yarn, only a single leg portion of the loop can be easily cut. In order not to cut the adjacent loop hooking elements, at least 2 rows of loops for hooking elements are preferably provided in the warp direction.
The warp yarn forming the base fabric is preferably a multifilament yarn of polyethylene terephthalate polyester (including recycled polyethylene terephthalate polyester) excellent in heat resistance, and is more preferably a multifilament yarn of polyethylene terephthalate homopolymer (including recycled polyethylene terephthalate homopolymer) because of small shape change due to melting, shrinkage, and the like under heat treatment conditions.
The multifilament for warp yarns is preferably a multifilament having a total dtex of 75 to 250 dtex formed from 12 to 96 filaments, more preferably a multifilament having a total dtex of 100 to 170 dtex formed from 24 to 48 filaments. The multifilament yarn for warp yarns is preferably woven into the base fabric so that the warp fabric density after heat treatment becomes 60 to 90 pieces/cm.
As described above, the monofilament yarn for the hook element and the multifilament yarn for the loop element are woven into the base fabric in parallel with the warp yarn. The total number of the filaments and the filaments for the hook and the filaments for the loop are preferably 3 to 6 per 20 warp yarns (including the filaments and the filaments for the loop).
The base fabric is preferably formed of a weft yarn which is a heat-fusible multifilament yarn, since the base fabric can be firmly fixed to the root portions of the monofilament yarn for a hook element and the multifilament yarn for a loop element by heat-fusible bonding under the heat-treating conditions. Examples of the filaments include filaments having a core and a sheath, in which the core component is not melted under heat treatment conditions but the sheath component is melted.
Specific examples of the core-sheath type monofilament include core-sheath type monofilament yarns comprising polyethylene terephthalate (including recycled polyethylene terephthalate) as a core component and copolymerized polyethylene terephthalate (including recycled copolymerized polyethylene terephthalate) as a sheath component, wherein the copolymerized polyethylene terephthalate has a melting point or softening point greatly reduced by copolymerizing a large amount (for example, 20 to 30 mol%) of a copolymerization component such as isophthalic acid or adipic acid.
The melting point or softening point of the sheath component is preferably 100 to 200 ℃ and 20 to 150 ℃ lower than the melting point of the core component, the warp yarn, the monofilament yarn for a hook element, and the multifilament yarn for a loop hook element.
The case where all of the multifilament yarns constituting the weft are the hot-melt adhesive multifilament yarns is preferable because the yarns for the hook and loop fastening elements can be firmly fixed to the base fabric. In the case where all the multifilaments constituting the weft yarn are formed of only the hot-melt adhesive polymer, the hot-melt adhesive polymer after melting and resolidifying is brittle and is easily broken, and therefore, in the case where sewing or the like is performed, the base fabric is easily broken from the sewn yarn portion. Therefore, the hot-melt adhesive monofilament yarn preferably contains a resin component that is not hot-melt adhesive, and more preferably has a core-sheath cross-sectional shape. The weight ratio of the core component to the sheath component is preferably 20:80 to 80:20.
In order to more firmly fix the hook and loop fastening elements together to the base fabric, it is preferable that the hot-melt adhesive filaments are hot-melt-bonded, and the hot-melt adhesive filaments shrink themselves to bind the root portions of the hook and loop fastening elements from both sides. Therefore, it is preferable that the hot-melt adhesive filaments undergo substantial thermal shrinkage under heat treatment conditions. For example, the dry heat shrinkage of the hot-melt adhesive filaments when heated at 200℃for 1 minute is preferably 8 to 20%, more preferably 11 to 18%.
The multifilament for weft yarns is preferably a multifilament having a total dtex of 100 to 300 dtex and formed from 12 to 72 filaments, more preferably a multifilament having a total dtex of 150 to 250 dtex and formed from 24 to 48 filaments. Preferably, the weft yarn is woven into the base fabric with multifilament yarn so that the fabric density after heat treatment becomes 15 to 25 pieces/cm. The weight ratio of the weft yarn is preferably 15 to 40% based on the total weight of the monofilament for the hook element, the multifilament for the loop element, the warp yarn and the weft yarn.
The fabric structure of the base fabric is preferably a plain weave having monofilament yarns for the hook elements and multifilament yarns for the loop hook elements as part of warp yarns. The hooking element is woven in parallel with the warp yarns, then raised from the base fabric face to form loops, and the warp yarns are skipped by 1 to 4 warp yarns to dig in between. The loop hooking element is woven in parallel with the warp yarns, then raised from the base fabric surface, and is immersed between the warp yarns without crossing the warp yarns, thereby forming loops parallel to the warp yarn direction. Such a fabric structure is preferable because it can cut off the loop for the hook element with one leg of the loop without damaging the loop for the hook element.
The dyed fabric fastening tape of the present invention can be used for applications using existing fabric fastening tapes, and can be used in a wide range of fields such as shoes, bags, hats, gloves, clothing, blood pressure monitors, protective clothing, packaging tapes, strapping tapes, various toys, fixing materials for sheets for civil engineering and construction, fixing materials for various panels and wall materials, fixing materials for solar cells on roofs, fixing materials for electric parts, freely assembled and disassembled storage boxes, packaging boxes, small articles, curtains, and the like.
Examples
The present invention will be described below with reference to examples, but the present invention is not limited to these examples.
Production example 1: hook fabric sticking buckle tape
As the yarn forming the hook and loop fastener, the following yarn is used.
Warp yarn
Multifilament yarn formed from polyethylene terephthalate with a melting point of 260 DEG C
Filament count: 30 pieces
Total dtex: 167dtex
Twisting number: 602turn/m
Weft yarn: multifilament yarn formed from core-sheath composite filaments
Core components: polyethylene terephthalate with melting point of 260 DEG C
Sheath composition: 25 mol% of isophthalic acid copolymerized polyethylene terephthalate with softening point of 190 DEG C
Core component: sheath component=70:30 (mass ratio)
Filament count: 24 roots
Total dtex: 99dtex
Yarn for hooking element
Monofilament yarns formed from polyethylene terephthalate having a melting point of 260 DEG C
Diameter: 0.18mm
Manufacturing of hook fabric fastening tape
The monofilament yarn for warp yarn, weft yarn and hooking element is used to obtain flat woven fabric for hook and loop fastener.
The fabric density of the warp yarn after heat treatment was 52 pieces/cm (including monofilament yarn for hooking elements), and the fabric density of the weft yarn was 18 pieces/cm.
The hooking element was woven with monofilament yarns parallel to the warp yarns in a ratio of 1 relative to 4 warp yarns. The monofilament yarn for the hooking element raised over the weft yarn after 5 picks raised/lowered, spanning 1 weft yarn and 3 warp yarns, thereby forming loops. The looped hooking element was woven by forming loops by a monofilament yarn, which was then raised over the weft yarn after raising/sinking 5 weft yarns, spanning 1 weft yarn and 3 warp yarns, and then returning between the warp yarns.
The obtained fabric for hook and loop fastener was subjected to heat treatment for 1 minute at 205 ℃ which is a temperature at which only the sheath component of the weft yarn was heat-melted and at which the core components of the warp yarn, the monofilament yarn for hook and loop fastener elements, and the weft yarn were not heat-melted. As a result, the sheath component melts, and the yarn existing in the vicinity melts and adheres to the core component of the weft yarn.
Then, the single leg of the loop for hooking element was cut at a position 4/5 th of the height of the loop for hooking element, thereby forming a hooking element. The density of the hook elements of the obtained hook fabric fastening tape is 48 per cm 2 The height of the hooking element from the base fabric surface was 1.85mm.
Production example 2: loop fabric sticking buckle belt
As the yarn forming the loop fabric fastening tape, the following yarn is used.
Warp yarn
Multifilament yarn formed from polyethylene terephthalate with a melting point of 260 DEG C
Filament count: 36 pieces
Total dtex: 167dtex
Twisting number: 602turn/m
Weft yarn: multifilament yarn formed from core-sheath composite filaments
Core components: polyethylene terephthalate with melting point of 260 DEG C
Sheath composition: 25 mol% of isophthalic acid copolymerized polyethylene terephthalate with softening point of 190 DEG C
Core component: sheath component=70:30 (mass ratio)
Filament count: 24 roots
Total dtex: 120dtex
Multifilament yarn for loop hooking element
Multifilament yarn formed from polybutylene terephthalate blended with 5 mass% of polytrimethylene terephthalate
Melting point: 220 DEG C
Filament count: 7 roots
Total dtex: 265dtex
Manufacturing of loop fabric fastening tape
The above-mentioned warp yarn, weft yarn and multifilament yarn for loop-fastening element were used to obtain a flat-woven loop fabric for fastening tape.
The fabric density of the warp yarn after the heat treatment was 55 pieces/cm, and the fabric density of the weft yarn was 22 pieces/cm.
The loop hooking element multifilament yarn was woven in parallel with the warp yarn in a ratio of 1 relative to 4 warp yarns without crossing over the warp yarns. Then, the loop hooking element was raised on the base fabric with multifilament yarn after raising/sinking 5 weft yarns, and was formed into a loop by crossing 1 weft yarn without crossing warp yarns.
On the surface of the obtained loop fabric hook and loop fastener fabric, loops are arranged in a row in the warp direction, and a plurality of such rows are present in parallel in the weft direction. In addition, the weft yarn spanned by the loops present on one column is the weft yarn located in the middle of the warp direction of 2 weft yarns spanned by 2 loops of its adjacent column. In addition, most of the loop surfaces of the loop hooking elements are twisted in the warp direction.
The obtained fabric for loop fabric fastening tape was subjected to heat treatment for 1 minute at 200 ℃ which is a temperature at which only the sheath component of the weft yarn was heat-melted and at which the core components of the multifilament yarn for warp yarn and loop fastening element and weft yarn were not heat-melted. As a result, the sheath component melts, and the yarn existing in the vicinity melts and adheres to the core component of the weft yarn.
The density of the loop hooking elements was 44/cm 2 The height of the loop-shaped hooking element from the base cloth surface was 2.40mm.
Production example 3: hook and loop fabric fastener using recycled material
Hook and loop fastening tapes were produced in the same manner as in production examples 1 and 2, except that yarns made of the following recycled materials were used.
Hook fabric sticking buckle tape
Warp yarn
Multifilament yarn formed from recycled polyethylene terephthalate having a melting point of 260 DEG C
Filament count: 30 pieces
Total dtex: 167dtex
Twisting number: 602turn/m
Weft yarn: multifilament yarn formed from core-sheath composite filaments
Core components: recycled polyethylene terephthalate with a melting point of 260 DEG C
Sheath composition: 25 mol% of isophthalic acid copolymerized polyethylene terephthalate with softening point of 190 DEG C
Core component: sheath component=70:30 (mass ratio)
Filament count: 24 roots
Total dtex: 99dtex
Yarn for hooking element
Monofilament yarns formed from recycled polyethylene terephthalate having a melting point of 260 DEG C
Loop fabric sticking buckle belt
Warp yarn
Multifilament yarn formed from recycled polyethylene terephthalate having a melting point of 260 DEG C
Filament count: 36 pieces
Total dtex: 167dtex
Twisting number: 602turn/m
Weft yarn: multifilament yarn formed from core-sheath composite filaments
Core components: recycled polyethylene terephthalate with a melting point of 260 DEG C
Sheath composition: 25 mol% of isophthalic acid copolymerized polyethylene terephthalate with softening point of 190 DEG C
Core component: sheath component=70:30 (mass ratio)
Filament count: 24 roots
Total dtex: 120dtex
Multifilament yarn for loop hooking element
Multifilament yarn formed from polybutylene terephthalate blended with 5 mass% of polytrimethylene terephthalate
Melting point: 220 DEG C
Filament count: 7 roots
Total dtex: 265dtex
Example 1
Using the beam supercritical CO 2 The dyeing apparatus was configured to dye the hook and loop fasteners obtained in production examples 1 and 2 to dark colors (black) with disperse dyes, respectively.
As the disperse dye, a black dye obtained by mixing a dye of the plastic dye "KP (trade name)" series manufactured by chemical industry co.
KP Plast Orange HG (c.i. solvent Orange 60): 45 parts by weight
KP Plast Violet R (c.i. solvent Violet 31): 25 parts by weight
KP plasmid Blue G (c.i. solvent Blue 78): 30 parts by weight
The outline of the dyeing method is shown below.
1. The warp beam around which the fabric fastening tape is wound is put into a dyeing tank (pipe).
2. Will liquefy CO 2 The temperature of (C) is increased to 120 ℃, the pressure is increased to 25MPa, and the supercritical CO is prepared 2 To make supercritical CO 2 And (5) circulating.
3. The circulation method is performed in a unidirectional circulation manner in which the fluid flows from the inner side of the beam to the outer side of the beam through the through-hole.
4. Supercritical CO 2 Circulating in a dye tank arranged in a circulation path to dissolve dye in supercritical CO 2 Dye is supplied to the dye tank.
5. After reaching a temperature of 120℃and a pressure of 25MPa, the mixture was kept for 30 minutes.
6. After 30 minutes of hold, new liquefied CO was added 2 To the device, the used supercritical CO with residual dye dissolved therein 2 Transferring to a separating device.
7. Supercritical CO to be used 2 After transfer, the fabric is cooled to a temperature lower than 100 ℃, the pressure is restored to the atmospheric pressure, and the dried dyed fabric fastening tape is taken out of the dyeing tank.
Example 2
The hook and loop fabric fasteners using the recycled material obtained in production example 3 were dyed in the same manner as in example 1, respectively, to obtain dyed hook and loop fabric fasteners.
Example 3
The same operations as in example 1 were performed except that the temperature was changed from 120 ℃ to 110 ℃ in "2" and "5" in the outline of the dyeing method, and a dyed hook and loop fabric fastener was obtained.
Example 4
The same operations as in example 1 were performed except that the temperature was changed from 120 ℃ to 130 ℃ in "2" and "5" in the outline of the dyeing method, and a dyed hook and loop fabric fastener was obtained.
Comparative example 2
A dyed hook and loop fabric fastening tape was obtained in the same manner as in example 1 except that the temperatures were changed from 120 ℃ to 100 ℃ and "7" was performed as in the following 7-1 in "2" and "5" in the outline of the dyeing method.
7-1. Supercritical CO to be used 2 After transfer, the pressure is restored to the atmospheric pressure, and the dried dyed fabric fastening tape is taken out of the dyeing tank.
Comparative example 3
The same operations as in example 1 were performed except that the temperatures were changed from 120 ℃ to 140 ℃ in "2" and "5" in the outline of the dyeing method, and a dyed hook and loop fabric fastener was obtained.
Comparative example 1
A dyed hook and loop fabric fastener dyed black was obtained in the same manner as in example 1, except that the hook and loop fabric fasteners obtained in production examples 1 and 2 were each subjected to aqueous dyeing (high-temperature high-pressure cone dyeing).
A conventionally used cone dyeing machine was used. The cone dyeing machine has a cylindrical dyeing tank and a cylindrical carrier (carrier) put into it. The yarn carrier has a multi-stage separator plate in the height direction. The partition plate is provided with numerous holes so as to circulate the dyeing liquid sufficiently. A roll of the fabric fastening tape is placed on the partition plate. The yarn carrier having a plurality of partition plates stacked with the rolls on which the fabric fastening tape is placed in a dyeing tank, and a dyeing liquid is circulated from above and below the partition plates or from above and below by a heater and a circulation pump, so that the fabric fastening tape is dyed.
The outline of cone dyeing is shown below.
1. Water at normal temperature is stored in a dyeing tank, and dyeing auxiliary agents (dispersing agents, leveling agents and the like) are added and circulated for 10 minutes.
2. A plurality of rolls of fabric fastening tape are stacked on a separator plate of a yarn carrier.
3. The yarn carrier is put into a dyeing tank.
4. After heating the water of the dyeing tank to 60 ℃, the yarn carrier is taken out of the dyeing tank.
5. Disperse dye (dovetail black) is put into the dyeing groove, and the yarn carrier is put again.
6. The temperature was raised to 135℃and, after reaching 135℃the temperature was maintained for 60 minutes.
After 7.60 minutes of holding, the mixture was cooled to 80℃or lower.
8. And discharging all the residual liquid in the dyeing tank.
9 fresh water is stored in the dyeing tank until overflow.
10. The yarn carrier is put into the dyeing tank while overflowing.
11. Repeating the steps for 8 to 10 times for 3 times to obtain the water-based dyed fabric fastening tape.
The characteristics of the dyed hook and loop fabric fastening tapes obtained in examples 1 to 4 and comparative examples 1 to 3 were measured.
Crystallinity degree
About 3mg of warp yarn, weft yarn, hook-and-loop hook elements and loop-and-loop hook elements are respectively collected from the dyed hook fabric fastening tape and the dyed loop fabric fastening tape, and a Differential Scanning Calorimeter (DSC) curve is obtained. Analysis of the DSC curve gives analytical data such as heat, melting point, crystallization temperature, glass transition temperature, and the like when the sample absorbs and releases heat. The crystallinity was calculated based on the analysis data obtained.
In the following table, the measured values are averages of 3 measurements.
TABLE 1
TABLE 1 crystallinity (%)
As is clear from Table 1, supercritical CO was performed in comparison with the case of aqueous dyeing 2 In the case of dyeing, the crystallinity of the warp, weft and hooking elements is low.
Tensile characteristics
The tensile modulus was measured by a bench-type precision universal tester (Autograph) based on the tensile tester defined in 7.4.1a) 1 of JIS L3416:2000, and by an elongation modulus test defined in 8.9 of JIS L1013:2010. The jig for measuring hooking was replaced with a jig for measuring test yarn. Test yarns (hook and loop fastening elements) collected from the dyed hook and loop fastening tapes were fixed to upper and lower chucks (chuck interval: 10 cm), and measurement was started to determine breaking strength, breaking elongation, elastic modulus, and breaking length of the test yarns. The measurement values in table 2 are the average of 10 measurements.
TABLE 2
As is clear from table 2, the breaking strength of the hook and loop fastening elements collected from the dyed fabric fastening tape of the present invention was lower than in the case of aqueous dyeing. In addition, elongation at break and break length are larger than in the case of aqueous dyeing.
Affinity for dyeing
Observation of supercritical CO with ultraviolet visible near infrared micro-spectrophotometer 2 The degree of dyeing was measured on the cross section of each yarn of the dyed fabric fastening tape.
The sheath portion of the core-sheath type conjugate fiber was measured for spectral transmittance in a wide wavelength range from the ultraviolet region to the near infrared region by an ultraviolet-visible light spectrometry method based on JIS K0115:2020.
As a device for measuring the spectral transmittance, japanese Spectroscopy Co., ltd. "MSV-5200DGK" (measurement method: transmission measurement, wavelength range of 200 to 2700 nm) was used. In the measurement, the darkest part of the hot-melt-adhered part focused on the weft yarn was observed visually, and the measurement was performed in a size of 10. Mu.m. The spectral transmittance was measured for each of the 10 weft yarns, and the average value was used as the value of the spectral transmittance.
TABLE 3
As can be seen from table 3, in the hooking elements of examples 1 and 2, the dye was colored not only to the outside but also to the inside (a portion other than the range of 65.0±10.0% from the center). On the other hand, in comparative example 1, the dye was colored to a very small portion of the inside of the hook engaging member.
It was also found that the sheath component (hot melt adhesive portion) was dyed, and the dyeing was performed uniformly as compared with the case of aqueous dyeing (comparative example 1).
In addition, the dye invades (resides in) the entire cross section of the core composition. I.e. the dye is coloured to the whole cross section. On the other hand, in the case of aqueous dyeing (comparative example 1), the invasion of the dye into the core component (presence of the dye therein) was not confirmed.
Hook strength of dyed fabric fastening tape
a. Tensile shear Strength (shear Strength)
The tensile shear strength was measured based on the tensile shear strength specified in JIS L3416:2000, 7.4.1. The dyed hook fabric fastening tape and the dyed loop fabric fastening tape are respectively cut into pieces 25mm wide by 100mm long. The hook fastening tape was placed on the lower surface and the loop fastening tape was placed on the respective fastening tapes so that a portion 50mm from the end of each fastening tape remained as a grip portion (non-hooking portion). Next, a sample was produced by rolling back and forth 2 times with a 2kg roller. One grip portion (within 30mm in length) of the sample was set in the upper chuck of the bench type precision universal tester, and the other grip portion (within 30mm in length) was set in the lower chuck, and the strength was measured.
b. Peel strength (peel strength)
The peel strength was measured based on the peel strength defined in 7.4.2 of JIS L3416:2000. The dyed hook fabric fastening tape and the dyed loop fabric fastening tape were cut to 25mm wide by 150mm long. The dyed hook fabric sticking buckle tape is placed under the upper and the dyed ring fabric sticking buckle tapes in a mode that two ends are aligned. Next, a sample was produced by rolling back and forth 2 times with a 2kg roller. The portion within 30mm from one end of the sample was peeled off, and the peeled off portion was set on a chuck of a bench type precision universal tester, and the peel strength was measured.
c. Repeated peel durability
A peel tester based on the durability tester specified in JIS L3416:2000, 7.5.1c, was used. The dyed hook fabric fastening tape and the dyed ring fabric fastening tape are arranged on a stripping tester, and the given 5000 times of hooking and stripping are repeatedly carried out. After the completion of the peeling, the strength was measured based on the method of measuring the tensile shear strength (shear strength) and the peel strength (peel strength). The measurement values in table 4 are the average of 3 measurements.
As is clear, the supercritical CO was performed when compared with the case of the aqueous dyeing 2 In the case of dyeing, the tensile shear strength and peel strength after 5000 times of initial and repeated hooking/peeling are more excellent.
d. Number of hooks
The test pieces before and after the repeated peel durability measurement were measured for peel strength (peel strength). The number of the hook-up loop hook elements present in the 25mm wide by 20mm long portion (450 loop hook elements present) of the sample was counted by visual inspection while peeling off using a magnifying glass. Further, the number of filaments hooked in the filaments (450×8=3600 filaments) in the loop hooking element was obtained. The number of hooks in Table 5 is the average of 3 determinations.
In the case of aqueous dyeing, the number of hooks of the initial loop hooking element was larger, and in the results of Table 4, supercritical CO was performed 2 In the case of dyeing, the tensile shear strength and the peel strength are more excellent.
As can be seen from the results of Table 5, supercritical CO was performed 2 Dyed fabric fastening tape having loop hooking elements compared to dyed fabric fastening tape having been water-based dyedThe filaments in the piece are hooked together more, i.e. 1 hooking element grips more filaments.
The results in tables 4 and 5 show that even if the number of hooked loop hooking elements is large, the tensile shear strength and peel strength are reduced when the number of hooked filaments in the loop hooking elements is small.
Sublimation color fastness at high temperature
A breather/circulation type thermostat is used. The temperature of the thermostat was set to a predetermined value (160 to 200 ℃), and after the set temperature was reached, the sample was placed in the thermostat for 30 minutes, and left for 24 hours. After the fabric was left to stand, the front and rear surfaces of the sample were measured for color by a spectrocolorimeter with the sample before heat treatment as a reference, and the concentration of the surface of the dyed fabric fastening tape (table 6) and the color difference Δe between the front and rear surfaces were obtained (table 7). The measured concentrations in table 6 and the measured Δe in table 7 are each an average of 3 measurements.
TABLE 6
TABLE 7
As can be seen from tables 6 and 7, the dyed fabric fastening tape of the present invention has excellent sublimation color fastness at high temperature on the front and back surfaces.
Claims (9)
1. A dyed fabric fastening tape is formed of a fabric base fabric formed of warp yarns and weft yarns and a plurality of hooking elements standing from one surface of the base fabric,
the hooking element is a loop hooking element, a hooking element or both,
the hooking element is formed by a yarn for hooking element woven into the base fabric in parallel with the warp yarn,
the loop hooking element is formed by a yarn for the loop hooking element woven into the base fabric in parallel with the warp yarn,
the warp yarns are formed from polyethylene terephthalate polyester,
the yarn for the hooking element is formed by polyethylene terephthalate polyester or polybutylene terephthalate polyester,
the yarn for the loop hooking element is formed by polyethylene terephthalate polyester or polybutylene terephthalate polyester,
the weft yarn is formed by a core-sheath type hot-melt adhesive fiber, the core-sheath type hot-melt adhesive fiber takes hot-melt adhesive low-melting point polyester resin as a sheath component, takes polyethylene terephthalate polyester as a core component,
The root of the hooking element is fixed to the base fabric by fusion bonding with the molten sheath component,
the warp yarn, the sheath component and the core component of the weft yarn, and the hooking element are dyed by disperse dyes, and
the dyed fabric fastening tape satisfies the following conditions (1) to (3):
(1) A disperse dye is present in the core component of the core-sheath type hot-melt adhesive fiber,
(2) The breaking elongation of the hooking element is 27-41 percent,
(3) The elongation at break of the loop hooking element is 35-45%.
2. The dyed fabric fastening tape of claim 1 wherein,
the breaking elongation of the hooking element is 27-38%.
3. The dyed fabric fastening tape of claim 1 or 2 wherein,
the elongation at break of the loop hooking element is 35-40%.
4. The dyed fabric fastening tape of any one of claims 1-3, wherein,
the hooking element is a hooking element, and the crystallinity of the hooking element is 62-72%.
5. The dyed fabric fastening tape of any one of claims 1-4 wherein,
the hooking element is a hooking element, and the breaking strength of the hooking element is 4.29-4.47 cN/dtex.
6. The dyed fabric fastening tape of any one of claims 1-3, wherein,
the hooking element is a loop hooking element, and the crystallinity of the hooking element is 75-87%.
7. The dyed fabric fastening tape of any one of claims 1-3 and 6, wherein,
the hooking element is a loop hooking element, and the breaking strength of the hooking element is 2.01-2.07 cN/dtex.
8. The dyed fabric fastening tape of any one of claims 1-7 wherein,
the transmittance of the sheath component (hot melt adhesive portion) of the core-sheath composite fiber is 70% or less.
9. A method of dyeing a fabric fastening tape, the method comprising:
in supercritical CO 2 The disperse dye is used for dyeing the fabric sticking buckle belt,
the fabric fastening tape is formed by a fabric base cloth and a plurality of hooking elements standing up from one surface of the base cloth, the fabric base cloth is formed by warp yarns and weft yarns,
the hooking element is a loop hooking element, a hooking element or both,
the hooking element is formed by a yarn for hooking element woven into the base fabric in parallel with the warp yarn,
the loop hooking element is formed by a yarn for the loop hooking element woven into the base fabric in parallel with the warp yarn,
The warp yarns are formed from polyethylene terephthalate polyester,
the yarn for the hooking element is formed by polyethylene terephthalate polyester or polybutylene terephthalate polyester,
the yarn for the loop hooking element is formed by polyethylene terephthalate polyester or polybutylene terephthalate polyester,
the weft yarn is formed by a core-sheath type hot-melt adhesive fiber, the core-sheath type hot-melt adhesive fiber takes hot-melt adhesive low-melting point polyester resin as a sheath component, takes polyethylene terephthalate polyester as a core component,
the root of the hooking element is fixed to the base fabric by fusion with the melted sheath component.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021-131439 | 2021-08-11 | ||
| JP2021131439 | 2021-08-11 | ||
| PCT/JP2022/030236 WO2023017802A1 (en) | 2021-08-11 | 2022-08-08 | Dyed textile hook-and-loop fastener and method for dyeing textile hook-and-loop fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117794418A true CN117794418A (en) | 2024-03-29 |
Family
ID=85200622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202280055047.0A Pending CN117794418A (en) | 2021-08-11 | 2022-08-08 | Dyed fabric fastening tape and dyeing method of fabric fastening tape |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4385353A1 (en) |
| JP (1) | JPWO2023017802A1 (en) |
| CN (1) | CN117794418A (en) |
| TW (1) | TW202320666A (en) |
| WO (1) | WO2023017802A1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002363869A (en) * | 2001-06-04 | 2002-12-18 | Asahi Kasei Corp | Method of dyeing textile product |
| JP2014027989A (en) * | 2012-07-31 | 2014-02-13 | Kuraray Fastening Co Ltd | Hook-and-loop fastener with ear |
| JP7299249B2 (en) * | 2019-01-23 | 2023-06-27 | クラレファスニング株式会社 | Woven hook hook-and-loop fastener |
-
2022
- 2022-08-08 EP EP22855864.9A patent/EP4385353A1/en active Pending
- 2022-08-08 JP JP2023541439A patent/JPWO2023017802A1/ja active Pending
- 2022-08-08 WO PCT/JP2022/030236 patent/WO2023017802A1/en active Application Filing
- 2022-08-08 CN CN202280055047.0A patent/CN117794418A/en active Pending
- 2022-08-10 TW TW111130002A patent/TW202320666A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP4385353A1 (en) | 2024-06-19 |
| TW202320666A (en) | 2023-06-01 |
| JPWO2023017802A1 (en) | 2023-02-16 |
| WO2023017802A1 (en) | 2023-02-16 |
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