WO2019188197A1 - Tissu tissé/tricoté - Google Patents

Tissu tissé/tricoté Download PDF

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Publication number
WO2019188197A1
WO2019188197A1 PCT/JP2019/009720 JP2019009720W WO2019188197A1 WO 2019188197 A1 WO2019188197 A1 WO 2019188197A1 JP 2019009720 W JP2019009720 W JP 2019009720W WO 2019188197 A1 WO2019188197 A1 WO 2019188197A1
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WO
WIPO (PCT)
Prior art keywords
fiber
woven
knitted fabric
thermoplastic
flame
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PCT/JP2019/009720
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English (en)
Japanese (ja)
Inventor
陳瑶
原田大
土倉弘至
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東レ株式会社
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Priority to JP2019519347A priority Critical patent/JPWO2019188197A1/ja
Publication of WO2019188197A1 publication Critical patent/WO2019188197A1/fr

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    • 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
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—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 structure of the yarns or threads
    • D03D15/41—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 structure of the yarns or threads with specific twist
    • 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
    • D03D15/513—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 heat-resistant or fireproof
    • 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
    • D03D15/52—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 thermal insulating, e.g. heating or cooling
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials

Definitions

  • the present invention relates to a woven or knitted fabric.
  • a flameproof fabric composed of a blended yarn of a flame retardant polymer meta-aramid fiber, a flame-retardant treated polyester fiber and modacrylic fiber, or a composite yarn of meta-aramid fiber and polyphenylene sulfide (PPS) fiber (Patent Document 2), and a curtain fabric (Patent Document 3) in which a layer of flame-retardant polyester fiber or the like is laminated on a flame-resistant fiber layer are known.
  • PPS polyphenylene sulfide
  • Patent Document 1 Although the fabric described in Patent Document 1 is used as a spun yarn in which a meta-aramid fiber having a high limit oxygen index LOI value is blended with other fibers, the fiber is likely to fall off in the process until it is made into a fabric.
  • problems remain in terms of flame retardancy and processability.
  • a general meta-aramid since it shrinks and hardens rapidly due to temperature rise, stress concentration occurs locally in the event of a fire, etc., and the textile form cannot be maintained, and the flame is blocked for a long time. It is also considered difficult.
  • Patent Document 2 is excellent in chemical resistance and LOI value
  • a process until forming a fabric is disclosed.
  • the fibers are easy to fall off, and there is room for improvement in terms of flame retardancy and processability.
  • Patent Document 2 only evaluates with yarn, and it cannot be said that there is a specific idea until the flame is cut off for a long time as a textile form.
  • twisting is likely to occur when twisted, and when the filament form is used to form a textile form, it is difficult to obtain a uniform fabric. The problem remains in terms of sex.
  • an object of the present invention is to provide a woven or knitted fabric excellent in flame retardancy, flame barrier properties, and workability.
  • the present invention employs any of the following means.
  • Woven knitting (2) The woven or knitted fabric according to (1) above, wherein 20 to 50 mass% of the thermoplastic fiber C is contained in 100 mass% of the woven or knitted fabric.
  • thermoplastic fiber C has a crimp rate of 8% or more based on JIS L 1015 (2010).
  • the thermoplastic fiber B is a flame retardant polyester, anisotropic molten polyester, flame retardant poly (acrylonitrile butadiene styrene), flame retardant polysulfone, poly (ether-ether-ketone), poly (ether-ketone) -Ketone), polyethersulfone, polyarylate, polyarylene sulfide, polyphenylsulfone, polyetherimide, polyamideimide, and mixtures of at least one resin selected from the group thereof,
  • the woven or knitted fabric of the present invention has excellent flame retardancy and flame barrier properties, and also has excellent workability by having the above-described configuration.
  • the present invention includes a non-melt fiber A having a high temperature shrinkage rate of 3% or less, a thermoplastic fiber B having a LOI value of 25 or more in accordance with JIS K 7201-2 (2007), JIS K 7201-2 (
  • the woven or knitted fabric includes a thermoplastic fiber C having a LOI value according to 2007) of less than 25 and a crimp number of 8 (pieces / 25 mm) according to JIS L 1015 (2010). It has been found that the above problems can be solved.
  • the non-molten fiber A having a high temperature shrinkage rate of 3% or less constitutes a spun yarn or a filament yarn together with the thermoplastic fibers B and C to form a woven or knitted fabric.
  • the thermoplastic fiber C begins to melt first, then the thermoplastic fiber B melts, and the melted thermoplastic fibers B and C spread in a thin film along the surface of the unmelted fiber A (aggregate). .
  • the temperature further rises, all of the fibers A to C eventually carbonize.
  • the high-temperature shrinkage rate of the non-molten fiber A is 3% or less, the woven or knitted fabric hardly shrinks even at high temperatures. Since the hole is difficult to open, the flame can be blocked.
  • the high-temperature shrinkage rate of the non-melt fiber A is preferably low, but the high-temperature shrinkage rate is -5% or more because the structure collapses and causes pores even if it is not shrunk and expands greatly by heat. It is preferable.
  • the high temperature shrinkage rate is preferably 0 to 2%.
  • the high-temperature shrinkage is as follows: (i) The fiber used as the raw material of the woven or knitted fabric is allowed to stand for 12 hours in a standard state (20 ° C., relative humidity 65%), and then a tension of 0.1 cN / dtex is applied to the original length L0. And (ii) exposed to a dry heat atmosphere at 290 ° C. for 30 minutes without applying a load to the fiber, sufficiently cooled in a standard state (20 ° C., relative humidity 65%), and further The length L1 is measured by applying a tension of 0.1 cN / dtex to the fiber, and (iii) is a numerical value obtained from L0 and L1 by the following formula.
  • the non-molten fiber A it is preferable to use a fiber having a thermal conductivity of 0.060 W / m ⁇ K or less.
  • the thermal conductivity of the non-molten fiber A is within this range, the heat insulation performance is also excellent.
  • the thermal conductivity is preferably in the range of 0.015 to 0.060 W / m ⁇ K, more preferably in the range of 0.015 to 0.055 W / m ⁇ K, and most preferably 0.8. It is within the range of 015 to 0.050 W / m ⁇ K.
  • the thermal conductivity [W / m ⁇ K] is a basic thermal constant of a material and is a heat transfer coefficient of the material alone. Expresses the ease of heat transfer in the material, and refers to the value obtained by dividing the heat flow density (heat energy passing through the unit area per unit time) by the temperature difference between the front and back surfaces of the material. Specifically, the thermal conductivity of the fiber was determined by preparing a non-woven test piece having a basis weight of 50 g / m 2 and a thickness of 0.5 mm using the fiber to be measured, and according to ISO 22007-3 (2008).
  • the non-molten fiber A refers to a fiber that maintains its fiber shape without being liquefied when exposed to a flame.
  • any non-melting fiber may be used as long as the high temperature shrinkage rate is within the range defined by the present invention.
  • Specific examples include meta-aramid fiber and flame resistant fiber.
  • meta-aramid fibers have a high temperature shrinkage rate and do not satisfy the high temperature shrinkage rate specified in the present invention.
  • the meta-aramid fiber has a high temperature shrinkage rate within the range specified by the present invention by suppressing the high temperature shrinkage rate. If it exists, since it is highly elastic and can improve the sewing property of a woven or knitted fabric, it can be preferably used.
  • the flame-resistant fiber is a fiber subjected to flame resistance treatment using a fiber selected from acrylonitrile-based, pitch-based, cellulose-based, phenol-based fiber and the like as a raw material. These may be used alone or in combination of two or more.
  • flame-resistant fibers are preferable because they have a low high temperature shrinkage rate.
  • acrylonitrile-based flame-resistant fibers are preferably used as fibers that have a small specific gravity and are flexible and excellent in flame retardancy.
  • Such flame-resistant fibers can be obtained by heating and oxidizing acrylic fibers as precursors in high-temperature air.
  • non-molten fibers A examples include flame resistant fiber “PYRON” (registered trademark) manufactured by Zoltek and used in Examples and Comparative Examples described later, and Toho Tenax Co., Ltd. Pyromex. (Pyromex) and the like.
  • the content of the non-molten fiber A in the woven or knitted fabric is preferably 10% by mass or more, more preferably in the range of 15 to 60% by mass, and in the range of 30 to 50% by mass. Is most preferred.
  • thermoplastic fiber B that will spread as a film-like substance has an LOI value of 25 or more according to JIS K 7201-2 (2007), while the thermoplastic fiber C has an LOI value of less than 25. .
  • the LOI value is the volume percentage of the minimum oxygen amount necessary for sustaining the combustion of the substance in the mixed gas of nitrogen and oxygen, and it can be said that the higher the LOI value, the more difficult it is to burn. Therefore, thermoplastic fibers with a LOI value of 25 or more are difficult to burn. Even if ignited, the fire extinguishes immediately when the fire source is released, and a carbonized film is usually formed in the part where the fire spreads slightly. The film can prevent the spread of fire. On the other hand, the thermoplastic fiber C having a LOI value of less than 25 does not extinguish even when the fire source is released, and combustion continues. Therefore, when heat is applied to the woven or knitted fabric, the thermoplastic fiber C starts to melt before the thermoplastic fiber B.
  • the LOI value of the thermoplastic fiber B is preferably 55 or less, more preferably in the range of 25 to 50, from the viewpoint of forming a carbonized film at a high temperature.
  • the LOI value of the thermoplastic fiber C is preferably 15 or more, more preferably 18 or more and less than 25, from the viewpoint of the speed of carbonization coating.
  • thermoplastic fiber B used in the present invention is not particularly limited as long as the LOI value is within the range specified in the present invention.
  • Specific examples thereof include flame retardant polyester (polyethylene terephthalate, polytrimethylene terephthalate, poly Alkylene terephthalate, etc.), anisotropic molten polyester, flame retardant poly (acrylonitrile butadiene styrene), flame retardant polysulfone, poly (ether-ether-ketone), poly (ether-ketone-ketone), polyethersulfone, polyarylate And fibers composed of a thermoplastic resin selected from the group of polyarylene sulfide, polyphenylsulfone, polyetherimide, polyamideimide, and mixtures thereof. These may be used alone or in combination of two or more.
  • thermoplastic fiber B When the glass transition point of the thermoplastic fiber B is 120 ° C. or less, the thermoplastic fiber B instantly becomes flexible when in contact with the flame, and the gap between the woven and knitted fabric with the non-melted fiber A is appropriately filled. When the temperature is further increased, the thermoplastic fiber B is preferable because it easily forms a dense melt film on the surface of the woven or knitted fabric, and a stable flame barrier property can be obtained.
  • polyphenylene sulfide fibers hereinafter also referred to as PPS fibers are most preferable from the viewpoint of high LOI value and easy availability.
  • the PPS fiber preferably used in the present invention is a synthetic fiber made of a polymer having a polymer structural unit as a main structural unit of — (C 6 H 4 —S) —.
  • Typical examples of these PPS polymers include polyphenylene sulfide, polyphenylene sulfide sulfone, polyphenylene sulfide ketone, random copolymers thereof, block copolymers, and mixtures thereof.
  • polyphenylene sulfide containing a p-phenylene sulfide unit represented by — (C 6 H 4 —S) —, preferably 90 mol% or more, as the main structural unit of the polymer is desirable. From the viewpoint of mass, polyphenylene sulfide containing 80% by mass, more preferably 90% by mass or more of p-phenylene sulfide units is desirable.
  • a method for producing the PPS fiber a method in which a polymer having the above-described phenylene sulfide structural unit is melted at a melting point or higher and spun from a spinneret to form a fiber is preferable.
  • the spun fiber is an unstretched PPS fiber as it is.
  • Most of the unstretched PPS fibers have an amorphous structure and a high elongation at break.
  • stretched yarns are commercially available in which the fiber is stretched and oriented following spinning to improve the strength and dimensional stability of the fiber.
  • “Torcon” (registered trademark) (manufactured by Toray Industries, Inc.), “Procon” (registered trademark) (manufactured by Toyobo Co., Ltd.) and the like are in circulation.
  • the unstretched PPS fiber and the stretched yarn can be used in combination as long as the object of the invention is achieved.
  • thermoplastic fiber B preferably contains a sulfur atom, but in that case, not only a fiber made of a resin containing a sulfur atom but also a fiber provided with a sulfur atom by post-processing is preferred.
  • the thermoplastic fiber B used in the present invention is used by a method in which the thermoplastic resin is used alone or combined with a different material, and may be in any form of filament yarn or staple.
  • the fiber length is preferably in the range of 30 to 60 mm, more preferably in the range of 38 to 51 mm. If the fiber length is in the range of 30 to 60 mm, it can be made into a spun yarn in a general spinning process, and can be easily blended with different materials.
  • the thickness of the single fiber of the thermoplastic fiber B is not particularly limited, but the single fiber fineness is preferably in the range of 0.1 to 10 dtex from the viewpoint of passing through the spinning process. .
  • the total fineness when used as a filament yarn and the yarn count when used as a spun yarn are not particularly limited and may be within the range satisfying the provisions of the present invention, and may be appropriately selected in consideration of the desired thickness of the knitted or knitted fabric. Good. It is preferable to select so that the thickness of the woven or knitted fabric is 0.08 mm or more.
  • the content of the thermoplastic fiber B as described above in the knitted or knitted fabric is preferably 15% by mass or more, and 20% by mass in order to reliably form a film-like substance and to further improve flame retardancy and flame barrier properties. More preferably.
  • the upper limit is preferably 50% by mass or less.
  • the thermoplastic fiber B has a higher fiber loss rate in the spinning process and a higher fiber loss rate, although the more flame retardant and the flame barrier properties are stable. The thread thickness unevenness and thread breakage are likely to occur, so that process passability deteriorates. Therefore, the content of the thermoplastic fiber B is most preferably in the range of 20 to 40% by mass.
  • the thermoplastic fiber C used in the present invention has a LOI value of less than 25, and at the same time, the crimp number according to JIS L 1015 (2010) is 8 (pieces / 25 mm) or more.
  • the thermoplastic fiber B having a LOI value of 25 or more and the thermoplastic fiber C having a LOI value of less than 25 are mixed. Fibers with an LOI value of 25 or more are relatively straight and are easy to fall off during woven / knitted fabric production processing because they are difficult to crimp.
  • thermoplastic fiber C has an LOI value of less than 25
  • Crimping is easy to perform, and it becomes difficult to fall off due to the three-dimensional helical structure due to crimping. Therefore, by mixing the thermoplastic fibers B and C, not only the thermoplastic fibers C but also the thermoplastic fibers B are less likely to fall off due to the crimping of the thermoplastic fibers C. Since it is excellent and can suppress fiber dropout in the woven or knitted fabric manufacturing process, the woven or knitted fabric is excellent in durability and quality.
  • the number of crimps of the thermoplastic fiber C is 80 (pieces / 25 mm) or less. If the number of crimps is too large, the entanglement between the single fibers becomes too strong in the process of producing the yarn constituting the woven or knitted fabric, and the spreadability is lowered. Furthermore, from the viewpoints of improving crimp processability and preventing the fibers from falling off in the woven / knitted fabric manufacturing process, 10 to 50 (pieces / 25 mm) is more preferable, and 10 to 30 (pieces / 25 mm) is more preferable.
  • the thermoplastic fiber C preferably has a crimp rate of 8% or more measured in accordance with JIS L 1015 (2010). If the crimping ratio is too low, the entanglement between the fibers will be weakened, the spinnability will be lowered, and the bulkiness will be lowered. Moreover, when it is set as a filament yarn, fibers adhere closely and bulkiness falls. On the other hand, if the crimping rate is too high, the entanglement between the fibers becomes too strong, entanglement is likely to occur, and the spun yarn or filament yarn obtained by reducing the workability tends to be uneven. Therefore, the crimp ratio is more preferably in the range of 8 to 50%, and further preferably in the range of 10 to 20%. A person having ordinary skill in the art can obtain fibers having such crimp characteristics by appropriately setting conditions in the crimp application step.
  • thermoplastic fiber C examples include thermoplastic cellulose fiber, acrylic fiber, nylon fiber, and polyester fiber (polyethylene terephthalate fiber, polytrimethylene terephthalate fiber, etc.). These may be used alone or in combination of two or more. From the viewpoint of crimp processability and availability, polyethylene terephthalate fiber (hereinafter also referred to as PET fiber) is most preferable.
  • thermoplastic fiber C in the woven or knitted fabric is 20 to 50% by mass. Further, when the thermoplastic fiber C, the non-melting fiber A and the thermoplastic fiber B are mixed with a fiber spreader or a blended cotton machine to obtain a spun yarn, the amount is more preferably 35 to 50% by mass.
  • the non-molten fibers A and the thermoplastic fibers B and C as described above are used in woven and knitted fabrics as spun yarns and filament yarns.
  • the non-melt fiber A, the thermoplastic fiber B, and the thermoplastic fiber C may be used as the spun yarn, and the three types of spun yarn may constitute a woven or knitted fabric.
  • Plastic fibers B and thermoplastic fibers C may be blended at a predetermined ratio, and a woven or knitted fabric may be constituted by the blended yarns obtained.
  • the crimp number of the non-melt fiber A and the thermoplastic fiber B may be 0, and the non-melt fiber A and the The thermoplastic fiber B may be crimped.
  • the number of crimps of the fibers is preferably 5 / 2.54 cm or more in order to more strongly entangle the fibers.
  • the number of crimps is too large, the passability of the step of making a sliver with a carding machine will deteriorate, so it is preferably less than 80 pieces / 2.54 cm.
  • the non-melt fiber A, the thermoplastic fiber B, and the thermoplastic fiber C it is preferable to use short fibers having the same length in any case because a more uniform spun yarn can be obtained.
  • the same length here may not be exactly the same, and there may be a difference of about ⁇ 5% with respect to the length of the non-molten fiber A.
  • the fiber length of the non-molten fiber A and the fiber lengths of the thermoplastic fibers B and C are preferably in the range of 30 to 60 mm.
  • the blended yarn can be obtained, for example, by first uniformly mixing using a fiber opening device, then forming a sliver with a carding machine, drawing with a drawing machine, roving and spinning. A plurality of the spun yarns obtained may be twisted together.
  • a composite yarn in which the thermoplastic fiber C is combined can be used. If the thermoplastic fiber C has the above-mentioned crimp number, the non-molten fiber A and the thermoplastic fiber B do not need to be false twisted. Furthermore, it is preferable to apply crimps of 5 crimps / 2.54 cm or more and 80 / 2.54 cm or less.
  • the above-described spun yarn or filament yarn is used for weaving using an air jet loom, a water jet loom, a rapier loom, a projectile loom, a shuttle loom, or the like.
  • warp gluing may be performed or no gluing may be performed, but in the case of using a yarn containing flame resistant fiber, gluing is performed in order to suppress fuzz during weaving of the flame resistant fiber. It is preferable to do this.
  • the woven structure may be selected from plain weave, twill weave, satin weave and their changed structures in accordance with the desired texture and design. Furthermore, a multi-woven structure such as a double weave may be used.
  • weft knitting machines such as flat knitting machines, full fashion knitting machines, circular knitting machines, computer jacquard knitting machines, sock knitting machines, cylinder knitting machines, and tricot knitting machines Knitting using a warp knitting machine such as a Russell knitting machine, an air jet loom, or a Miranese knitting machine.
  • a draft yarn feeder for inserting spandex yarn may be used.
  • the knitted fabric structure may be selected according to the desired texture and design, and in the weft knitting, there are tengu knitting, rubber knitting, pearl knitting, tuck knitting, floating knitting, lace knitting, and their changing structure.
  • the warp knitting the single / denby, single / bandaique, single / cord, berlin, dougle / denby, atlas, chord, half tricot, satin, sharkskin, etc. Is mentioned.
  • the set temperature is good enough to obtain the effect of suppressing the high temperature shrinkage, and is preferably 160 to 240 ° C., more preferably 190 to 230 ° C.
  • resin processing may be performed simultaneously with heat setting or in a separate process after heat setting for the purpose of improving wear resistance and texture as long as the effects of the present invention are not impaired.
  • the resin processing consists of a pad dry cure method in which a woven or knitted fabric is dipped in a resin tank, then squeezed with a padder, dried and fixed, and a pad steam method in which the resin is reacted and fixed in a steam tank. Either can be selected.
  • the thickness of the woven or knitted fabric is measured by a method based on JIS L 1096 (2010), preferably 0.08 mm or more, and more preferably 0.3 mm or more. By setting it as such thickness, it becomes possible to obtain higher flame-shielding performance.
  • the upper limit is not particularly limited, and may be determined in consideration of ease of handling and target flame shielding properties.
  • the density of the woven or knitted fabric is not particularly limited and is appropriately selected depending on the required flame shielding performance. If the density is small, the heat insulation is improved by increasing the air layer, but it may be determined in consideration of the ease of handling and the target flame barrier properties.
  • ⁇ Weight weight ⁇ JIS L 1096 was measured according to (2010) 8.3 (A method), expressed in 1 m 2 per mass (g / m 2). The measurement was performed twice and the average value was adopted.
  • ⁇ Flame resistance test> The test was conducted according to 8.1.1 A-1 method (45 ° micro burner method) of JIS L 1091 (Flammability test method for textile products, 1999). That is, after flame time after heating for 1 minute (less than 3 seconds), afterglow time (5 seconds or less), a combustion area (30 cm 2 or less), burn length of (20 cm or less) was measured, then Chakuen 3 seconds The after flame time (less than 3 seconds), the remaining dust time (less than 5 seconds), and the combustion area (less than 30 cm 2 ) were measured. If these values are in (parentheses), they correspond to the “category 3” of the evaluation category according to JIS L 1091, and it was judged that the combustion test passed.
  • the flame was ignited by a method according to JIS L 1091 (Flameability test method for textile products, 1999) according to 8.1.1 A-1 method (45 ° micro burner method), and the flame shielding property was evaluated as follows. That is, as shown in FIG. 1, a micro burner 1 having a flame length L of 45 mm is set up in a vertical direction, and a specimen 2 is arranged at an angle of 45 degrees with respect to a horizontal plane. Flameproofness was evaluated in a test in which the combustor 4 was placed through a spacer 3 having a thickness of 2 mm and burned.
  • the combustion burner 4 was previously left in a standard state for 24 hours and qualitative filter paper grade 2 (1002) sold by GE Healthcare Japan Co., Ltd. was used. The time from when the combustion body 4 was ignited was measured in seconds. This measurement was performed 3 times and the average value was adopted.
  • Fiber loss rate [(A 0 ⁇ A 1 ) / A 0 ] ⁇ 100 (%) ⁇ Glass transition point ⁇ The glass transition point was measured three times according to JIS K 7121 (2012), and the average value was adopted.
  • Tetron registered trademark
  • Tetron registered trademark product number T9615 manufactured by Toray Industries, Inc.
  • Tetron registered trademark
  • Example 1 (spinning) Unmelted fiber A, thermoplastic fiber B, and thermoplastic fiber C-1 were mixed by a spreader, then further mixed by a blended cotton machine, and then passed through a carding machine to obtain a sliver. The mass of the obtained sliver was 310 gelen / 6 yards (20.09 g / 5.46 m). Subsequently, it was drawn by setting a total draft of 8 times with a drawing machine, and a sliver of 290 gelen / 6 yards (18.79 g / 5.46 m) was obtained.
  • the mass ratio of the non-melt fiber A, the thermoplastic fiber B, and the thermoplastic fiber C-1 in the obtained spun yarn was 40:20:40.
  • the fiber loss rate of the spun yarn was 1%.
  • the spun yarn thus obtained was woven using a rapier loom with a plain weave of 50 warps / inch (2.54 cm) and 50 wefts / inch (2.54 cm).
  • Example 2 The spun yarn described in Example 1 was used, and a 20G circular knitting machine was used for knitting with a tentacle knitting.
  • the obtained knitted fabric had a wal number of 25 wales / inch (2.54 cm), a course number of 28 courses / inch (2.54 cm), and a loop length of 0.39 cm / 1 loop.
  • the yarn density of the knitted fabric after heat setting was 31 wal / inch (2.54 cm) and 30 course / inch (2.54 cm).
  • the thickness of the knitted fabric was 0.312 mm.
  • the combustion body does not ignite even when heated for 1 minute, and the combustion area is 10 cm 2 or less and the combustion length is 10 cm.
  • the main knitted fabric did not break or perforate even when bent by 90 ° or more, and had excellent bending workability.
  • the combustion body did not ignite for 20 minutes and had sufficient flame shielding properties.
  • Example 3 Spinning / weaving / scouring / heating under the same conditions as in Example 1 except that the mass ratio of non-melt fiber A, thermoplastic fiber B, and thermoplastic fiber C-1 in the spun yarn was 35:30:35. Set.
  • the fiber loss of the spun yarn was 1%.
  • the yarn density of the woven fabric after refining and heat setting was 51 warps / inch (2.54 cm) and 51 wefts / inch (2.54 cm).
  • the thickness of the fabric was 0.640 mm.
  • Example 4 In addition to non-melt fiber A, thermoplastic fiber B, and thermoplastic fiber C-1, the other fibers D-1 were blended so that their mass ratios in the blended yarn were 40: 20: 35: 5, respectively. Except for the above, spinning, weaving, scouring, and heat setting were performed under the same conditions as in Example 1.
  • the fiber loss rate of the spun yarn was 3%.
  • the yarn density of the woven fabric after refining / heat setting was warp 51 / inch (2.54 cm) and weft 52 / inch (2.54 cm).
  • the thickness of the fabric was 0.580 mm.
  • Example 5 Spinning / weaving / scouring / heating under the same conditions as in Example 1 except that the mass ratio of non-melt fiber A, thermoplastic fiber B, and thermoplastic fiber C-1 in the spun yarn was 40:10:50. Set.
  • the fiber loss of the spun yarn was 2%.
  • the yarn density of the woven fabric after refining and heat setting was 52 warps / inch (2.54 cm) and 51 wefts / inch (2.54 cm).
  • the thickness of the fabric was 0.560 mm.
  • the afterflame time when heated for 1 minute is 0.2 seconds
  • the residual dust time is 0.3 seconds
  • the combustion area is 10 cm 2 or less
  • the combustion length is 13 cm.
  • this fabric did not break or perforate even when bent at 90 ° or more, and had excellent bending workability.
  • the combustion body did not ignite for 5 minutes, and the flame barrier had sufficient flame barrier properties.
  • Example 6 Spinning / weaving / scouring / heating under the same conditions as in Example 1 except that the mass ratio of non-melt fiber A, thermoplastic fiber B, and thermoplastic fiber C-1 in the spun yarn was 40:40:20. Set.
  • the fiber loss of the spun yarn was 3%.
  • the yarn density of the woven fabric after refining and heat setting was 52 warps / inch (2.54 cm) and 51 wefts / inch (2.54 cm).
  • the thickness of the fabric was 0.580 mm.
  • Example 7 Spinning / weaving / scouring / heating under the same conditions as in Example 1 except that the mass ratio of non-melt fiber A, thermoplastic fiber B, and thermoplastic fiber C-1 in the spun yarn was 40: 55: 5. Set.
  • the fiber loss of the spun yarn was 13%.
  • the yarn density of the woven fabric after refining and heat setting was 52 warps / inch (2.54 cm) and 51 wefts / inch (2.54 cm).
  • the thickness of the fabric was 0.560 mm.
  • thermoplastic fiber C-2 is used instead of the thermoplastic fiber C-1, so that the mass ratio of the unmelted fiber A, the thermoplastic fiber B, and the thermoplastic fiber C-2 is 40:20:40. Except for the above, spinning, weaving, scouring, and heat setting were performed under the same conditions as in Example 1.
  • the fiber loss of the spun yarn was 11%.
  • the yarn density of the woven fabric after refining and heat setting was 52 warps / inch (2.54 cm) and 51 wefts / inch (2.54 cm).
  • the thickness of the fabric was 0.560 mm.
  • thermoplastic fiber C-2 is used instead of the thermoplastic fiber C-1, so that the mass ratio of the non-melt fiber A, the thermoplastic fiber B, and the thermoplastic fiber C-2 is 40:40:20. Except for the above, spinning, weaving, scouring, and heat setting were performed under the same conditions as in Example 1.
  • the fiber loss of the spun yarn was 10%.
  • the yarn density of the woven fabric after refining and heat setting was 52 warps / inch (2.54 cm) and 51 wefts / inch (2.54 cm).
  • the thickness of the fabric was 0.570 mm.
  • thermoplastic fiber B The other fiber D-2 is used instead of the thermoplastic fiber B so that the mass ratio of the non-melt fiber A, the thermoplastic fiber C-1, and the other fiber D-2 in the blended yarn is 40:20:40. Except for the above, spinning, weaving, scouring, and heat setting were performed under the same conditions as in Example 1.
  • the fiber loss rate of the blended yarn was 3%.
  • the yarn density of the woven fabric after refining and heat setting was 51 warps / inch (2.54 cm) and 51 wefts / inch (2.54 cm).
  • the thickness of the fabric was 0.640 mm.
  • thermoplastic fiber B The other fiber D-1 is used instead of the thermoplastic fiber B so that the mass ratio of the non-melt fiber A, the thermoplastic fiber C-1, and the other fiber D-1 in the blended yarn is 40:40:20. Except for the above, spinning, weaving, scouring, and heat setting were performed under the same conditions as in Example 1.
  • the fiber loss rate of the blended yarn was 3%.
  • the yarn density of the woven fabric after refining and heat setting was 53 warps / inch (2.54 cm) and 52 wefts / inch (2.54 cm).
  • the thickness of the fabric was 0.530 mm.
  • the combustion body did not ignite even when heated for 1 minute, but the combustion area of the combustion body was 60 cm 2 , the combustion length was 18 cm, and the residual time was 21 seconds. Furthermore, in the flame shielding evaluation, the combustion body ignited in 2 minutes and did not have sufficient flame shielding properties.
  • Example 3 Spinning, weaving, scouring, and heat setting were performed under the same conditions as in Example 1 except that non-melt fiber A and thermoplastic fiber B-1 were blended at a weight ratio of 40:60.
  • the fiber loss rate of the spun yarn was 24%, and in the fine spinning process, uneven thickness was generated and yarn breakage occurred due to loosening, and spun yarn was obtained, but the processability was poor.
  • the yarn density of the woven fabric after refining and heat setting was 52 warps / inch (2.54 cm) and 51 wefts / inch (2.54 cm).
  • the thickness of the fabric was 0.650 mm. When the warp of this woven fabric was disassembled, each short fiber was taken out and the number of crimps was measured, it was equal to the number of crimps of the raw material described in ⁇ used fibers >>.
  • the fiber loss of the spun yarn was 20%, and in the fine spinning process, thickness unevenness and thread breakage due to loosening occurred, and spun yarn was obtained, but the process passability was poor.
  • the yarn density of the woven fabric after refining and heat setting was 52 warps / inch (2.54 cm) and 51 wefts / inch (2.54 cm).
  • the thickness of the fabric was 0.550 mm. When the warp of this woven fabric was disassembled, each short fiber was taken out and the number of crimps was measured, it was equal to the number of crimps of the raw material described in ⁇ used fibers >>.
  • Tables 1 and 2 below summarize the results of flame retardancy and flame barrier evaluation of Examples 1 to 9 and Comparative Examples 1 to 4.
  • the present invention is excellent in flame retardancy and flame barrier properties and effective in preventing the spread of fire, clothing materials, wall materials, floor materials, ceiling materials, covering materials, fireproof protective clothing, which require flame retardancy, Furthermore, it is suitable for use in automobiles, aircrafts, and the like, and particularly suitable for use as a fire spread prevention coating material for urethane sheet materials and a fire spread prevention substrate for bed mattresses and carpets.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Woven Fabrics (AREA)
  • Knitting Of Fabric (AREA)

Abstract

Pour obtenir un tissu tissé/tricoté présentant d'excellentes performances de retardement de flamme et de protection contre les flammes et une excellente aptitude à la mise en œuvre, le tissu tissé/tricoté d'après la présente invention contient : des fibres non fusibles A ayant un pourcentage de retrait à haute température inférieur ou égal à 3 % ; des fibres thermoplastiques B ayant une valeur LOI supérieure ou égale à 25, ladite valeur LOI répondant à la norme JIS K 7201-2 (année 2007) ; et des fibres thermoplastiques C ayant une valeur LOI inférieure à 25 et dans lesquelles le nombre de frisures est supérieur ou égal à 8 (pour 25 mm), ladite valeur LOI et ledit nombre de frisures répondant respectivement aux normes JIS K 7201-2 (année 2007) et JIS L 1015 (2010).
PCT/JP2019/009720 2018-03-29 2019-03-11 Tissu tissé/tricoté WO2019188197A1 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021183250A1 (fr) * 2020-03-10 2021-09-16 Milliken & Company Matériaux textiles contenant des fils avec un mélange intime de fibres d'aramide et de fibres de sulfure de polyphénylène
US11987929B2 (en) 2016-11-07 2024-05-21 Milliken & Company Textile materials containing dyed polyphenylene sulfide fibers and methods for producing the same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002031241A1 (fr) * 2000-10-06 2002-04-18 Asahi Kasei Kabushiki Kaisha File
JP2008081883A (ja) * 2006-09-27 2008-04-10 Toray Ind Inc 軽量アクリル繊維およびその製造方法
WO2012102090A1 (fr) * 2011-01-27 2012-08-02 日本毛織株式会社 Tissu pour vêtement protecteur et filé pour ledit tissu
JP2014210985A (ja) * 2013-04-17 2014-11-13 帝人株式会社 紡績糸および布帛および衣料
JP2017201063A (ja) * 2016-05-02 2017-11-09 帝人株式会社 難燃性布帛および繊維製品
WO2018066439A1 (fr) * 2016-10-05 2018-04-12 東レ株式会社 Tricot pare-flammes
WO2018066438A1 (fr) * 2016-10-05 2018-04-12 東レ株式会社 Tissu pare-flammes

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002031241A1 (fr) * 2000-10-06 2002-04-18 Asahi Kasei Kabushiki Kaisha File
JP2008081883A (ja) * 2006-09-27 2008-04-10 Toray Ind Inc 軽量アクリル繊維およびその製造方法
WO2012102090A1 (fr) * 2011-01-27 2012-08-02 日本毛織株式会社 Tissu pour vêtement protecteur et filé pour ledit tissu
JP2014210985A (ja) * 2013-04-17 2014-11-13 帝人株式会社 紡績糸および布帛および衣料
JP2017201063A (ja) * 2016-05-02 2017-11-09 帝人株式会社 難燃性布帛および繊維製品
WO2018066439A1 (fr) * 2016-10-05 2018-04-12 東レ株式会社 Tricot pare-flammes
WO2018066438A1 (fr) * 2016-10-05 2018-04-12 東レ株式会社 Tissu pare-flammes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11987929B2 (en) 2016-11-07 2024-05-21 Milliken & Company Textile materials containing dyed polyphenylene sulfide fibers and methods for producing the same
WO2021183250A1 (fr) * 2020-03-10 2021-09-16 Milliken & Company Matériaux textiles contenant des fils avec un mélange intime de fibres d'aramide et de fibres de sulfure de polyphénylène

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