Classifications

• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
  • D06C27/00—Compound processes or apparatus, for finishing or dressing textile fabrics, not otherwise provided for
• • 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
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
  • D10B2201/20—Cellulose-derived artificial fibres
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
  • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
  • Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
  • Y10T442/322—Warp differs from weft
  • Y10T442/3228—Materials differ
  • Y10T442/326—Including synthetic polymeric strand material
  • Y10T442/3285—Including polyester strand material

Definitions

• the present invention relates to a suede flame retardant interwoven fabric excellent in texture.
• tanned leather with the back side of leather raised with sandpaper is not cheap, is a natural product and has uneven quality, and lacks design properties other than color.
• Suede-like fabric called artificial leather or synthetic leather that is finely fluffed to resemble leather is used as an interior material.
• Patent Document 1 a method for imparting flame retardancy by applying a resin containing a flame retardant to the back surface of a combustible fabric has been performed.
• a flame retardant is adhered to the surface of the fabric in order to increase the flame retardancy, the surface becomes white or sticky. Further, discoloration and hardening of the fabric due to heat at the time of processing or reduction of the volume of the raised portion may occur on the front surface or the back surface.
• a large amount of flame retardant is required to ensure flame retardancy in chairs using urethane foam, which is not satisfactory because it is restricted by design and comfort and disadvantageous in terms of cost. was there.
• flame retardant polyester fiber may be used to improve flame retardancy (Patent Documents 2 and 3).
• fabrics using flame-retardant polyester fibers tend to open large holes due to the melting of polyester fibers during combustion, so when applied to a chair using urethane foam, it causes ignition of the urethane foam, which Ensuring the flame retardancy of the upholstery fabric with only the flammable polyester fiber was insufficient.
• flame retardant acrylic fibers may be used to improve flame retardancy (Patent Documents 4-6). Even in that case, the fabric that uses the yarn for the fabric using the polyester fiber, which is the most advantageous in terms of cost, designability, and productivity, and the general-purpose, is used for warp. The texture deteriorated. Also, when burned, the polyester fibers are easily melted and the holes are easily opened due to shrinkage and thermal decomposition of the flame retardant acrylic fibers. The flame retardant properties are insufficient, or polyester fibers are used as composite fibers such as blended yarns. For reasons such as necessity, the flame-retardant acrylic fiber could not be used for general purposes as a chair upholstery fabric.
• a crosslinked highly flame-retardant acrylic fiber obtained by adding a heat-crosslinking polymer and antimony oxide to a flame-retardant acrylic fiber may be used (Patent Document 7).
• the crosslinked highly flame-retardant acrylic fiber is effective when the fabric is loose, but when covered with urethane foam or the like as a chair upholstery fabric, it is punctured by contraction of the fiber in the same manner as other acrylic fibers. It was easy to open, causing ignition of urethane foam, and ensuring flame retardance with only the crosslinked high flame retardant acrylic fiber was insufficient.
• the present invention intends to solve a suede-type flame-retardant interwoven fabric that is excellent in design and texture, is comfortable, and has high flame resistance at a low cost.
• the present inventors have obtained a suede-like flame-retardant interwoven fabric comprising warps and wefts, and having warps on at least one surface.
• the warp is a polyester yarn
• the weft yarn contains 3 to 50 parts by weight of a flame retardant with respect to 100 parts by weight of the spun yarn A containing 70% by weight of cellulose fiber and halogen-containing fibers.
• the suede flame retardant interwoven fabric of the present invention can be provided at a low cost, can suppress shrinkage in the weft direction of the fabric, and has high flame resistance even if it contains polyester fibers. Have.
• one of the features of the present invention is a suede flame retardant interwoven fabric comprising warps and wefts, and at least one side of the warp is raised, and the warp yarn in the suede flame retardant interwoven fabric Is a polyester yarn, and the weft yarn contains a flame retardant-containing halogen-containing fiber containing 3 to 50 parts by weight of a flame retardant with respect to a spun yarn A containing 70% by weight or more of a cellulose fiber and 100 parts by weight of the halogen-containing fiber.
• the spun yarn B is a suede flame retardant interwoven fabric in which the spun yarn A and the spun yarn B used for the weft are alternately woven.
• Another feature of the present invention is a suede flame retardant interwoven fabric that contains 15 to 45% by weight of the cellulosic fibers in the total weight of the suede flame retardant interwoven fabric.
• Another feature of the present invention is a suede flame retardant interwoven fabric that contains 15 to 45% by weight of the flame retardant-containing halogen-containing fiber in the total weight of the suede flame retardant interwoven fabric.
• halogen-containing fibers comprises 30 to 70% by weight of acrylonitrile, 70 to 30% by weight of a halogen-containing vinyl monomer, and vinyl copolymerizable therewith.
• This is a suede flame retardant interwoven fabric which is a fiber containing a copolymer obtained by polymerizing a composition having a total amount of 100% by weight containing 0 to 10% by weight of a monomer.
• At least one of the halogen-containing fibers contains 30 to 70% by weight of acrylonitrile, 70 to 30% by weight of vinylidene chloride, and a vinyl monomer that can be copolymerized therewith.
• This is a suede flame retardant interwoven fabric, which is a fiber containing a copolymer obtained by polymerizing a composition having a total amount of 100 wt% including ⁇ 10 wt%.
• the flame retardant-containing halogen-containing fiber is a flame retardant-containing halogen-containing fiber containing 8 to 50 parts by weight of a flame retardant with respect to 100 parts by weight of the halogen-containing fiber. It is a flame-woven interwoven fabric.
• the flame retardant is a flame retardant comprising at least one selected from the group consisting of Sb compounds, Sn compounds, Zn compounds, Mg compounds, and P compounds. It is a flame-woven interwoven fabric.
• Another feature of the present invention is a suede flame-retardant interwoven fabric, wherein the flame retardant is a flame retardant containing at least one selected from the group consisting of Sb compounds, Sn compounds, and Zn compounds. .
• Another feature of the present invention is a suede flame retardant interwoven fabric in which the flame retardant is a flame retardant containing at least an Sb compound.
• Another feature of the present invention is a method for producing a suede flame-retardant interwoven fabric, wherein the spun yarn A and the spun yarn B are alternately used when producing the interwoven fabric from the warp and the weft. After weaving, the flame retardant union weave obtained is relaxed by 5 to 20% in the warp direction in pressurized hot water at 105 to 140 ° C, and processed wrinkles appearing parallel to the warp direction are eliminated.
• This is a method for producing a suede flame-retardant interwoven fabric that is dried while being pulled in the weft direction, and the surface side is raised with respect to the warp that emerges on the surface due to relaxation during the pressurized hot water treatment.
• the suede-like flame-retardant interwoven fabric according to the present invention has a good texture while being excellent in design, is comfortable, and has high flame resistance.
• the suede flame retardant interwoven fabric of the present invention when used as a fabric for a product such as a chair using a flammable cushion material such as urethane foam, the product is exposed to flame.
• the suede flame retardant interwoven fabric of the present invention has a self-extinguishing property and forms a carbonized film, thereby preventing flames on the internal filling.
• the present invention is a suede flame retardant interwoven fabric comprising warps and wefts, and at least one side of which is raised, wherein the warp yarn in the suede flame retardant interwoven fabric is a polyester yarn.
• the present invention relates to a suede flame retardant interwoven fabric in which spun yarn A and spun yarn B used for weft are alternately woven.
• “suede-like flame-retardant interwoven fabric” refers to a flame-retardant interwoven fabric whose texture is similar to suede. As long as it is a flame retardant interwoven fabric that can be recognized as a substitute for suede in the market, it is included in the “Suede flame retardant interwoven fabric”.
• flame retardant means that the flame retardant performance is superior to an equivalent suede-like mixed woven fabric produced using polyester fibers.
• the flame retardant performance can be evaluated by a method based on the Source 1 method of the flame retardant test BS 5852: 1990 for household chairs in the UK.
• Source1 law compliance refers to the Source1 law compliance described in British Standards “Methods of test for assessment of the ignitability of upholstered seating by smouldering and flaming ignition sources", standard number BS 5852: 1990.
• fiber means a single fiber, and examples thereof include long fibers (filaments) and short fibers (staples).
• the “yarn” refers to an elongated linear fiber bundle formed by gathering the fibers.
• spun yarn in which the short fibers are arranged in parallel and connected and twisted,
• assortment yarns that just have fibers.
• woven fabric refers to a fiber composite fabric woven by a loom using yarns for woven fabric such as spun yarn
• interwoven fabric refers to warp and weft being mutually A fabric made by crossing at right angles.
• the “raised” is, for example, a fiber bundle having ultrafine fibers of 1 denier or less, or is split by external force or treatment with a solvent such as sea island fiber. It refers to a structure obtained from a fabric having fibers that express ultrafine fibers through a mechanical raising process using sandpaper or a brush.
• the suede-like flame-retardant union woven fabric referred to in the present invention is a woven fabric that exhibits a suede-like appearance due to the raising.
• the method for raising the woven fabric used in the present invention is not particularly limited, and a commonly used method using a thistle raising machine, a wire raising machine, an emery raising machine or the like can be used.
• the wefts in the unwoven fabric are exposed on the front and back surfaces of the fabric, and a weaving pattern can be provided on the fabric surface by adjusting the exposure.
• the weave structure include, but are not limited to, plain weave, satin weave and twill weave. It is also possible to use a jacquard loom or a dobby loom. Also, to stabilize the shape of the fabric and to increase the friction on the back side of the fabric, back coating with acrylic resin, etc., wear resistance of the fabric, water repellency, antifouling properties, antibacterial properties, weather resistance In order to improve the above, the surface of the fabric may be treated within a range that does not significantly impair the texture and flame retardancy of the fabric.
• the polyester yarn is composed of the following fibers.
• a fiber mainly composed of a long-chain synthetic polymer containing an ester unit of terephthalic acid and an ester unit of dihydric alcohol in a mass ratio of 85% by weight or more in the fiber weight can be suitably used.
• fibers include polyethylene terephthalate fibers, polytrimethylene terephthalate fibers, and polybutylene terephthalate fibers.
• additives such as matting agents, heat stabilizers, antifoaming agents, color modifiers, antioxidants, ultraviolet absorbers, infrared absorbers, crystal nuclei are added to the polyester fibers as necessary.
• An agent, a fluorescent whitening agent, and the like may be included. These additives may be used alone or in combination of two or more.
• polyester yarn of the present invention a yarn in which the polyester fiber is contained in a filament, staple, or the like can be suitably used.
• regular yarn made of polyester fiber, processed yarn, and blended yarn of polyester fiber and natural fiber such as cotton or rayon or synthetic fiber, processed yarn, etc. Can do. These may be used alone or in combination of two or more.
• the content of the polyester fiber is preferably 30% by weight or more from the viewpoint of yarn strength for warp of a woven fabric. Further, in terms of availability, it is more preferably 100% by weight.
• examples of the yarn that is particularly suitable for the polyester yarn used in the present invention include yarns that are twisted using a very fine polyester fiber of 1.2 denier or less. Also, it is made into fiber so that it has sea component and island component in the fiber cross section, called sea island fiber, and the sea component or island component is removed or separated by washing or dissolving in the later process, As a result, the fiber etc. aiming at obtaining an ultrafine fiber can be illustrated. Any yarn can be used in the present invention as long as it can obtain a suede-like appearance by making the fabric surface fluffy after being made into a fabric.
• the flame retardant-containing halogen-containing fiber is a fiber containing 3 to 50 parts by weight of a flame retardant with respect to 100 parts by weight of the halogen-containing fiber.
• examples of the halogen-containing fiber include fibers made of a polymer of a monomer containing halogen.
• the fiber which consists of a copolymer of the monomer containing a halogen and the monomer which does not contain a halogen can be illustrated.
• examples include a polymer blend of a polymer containing halogen and a polymer not containing halogen, and a fiber made of a halogen-containing polymer into which halogen has been introduced by post-processing.
• a fiber in which halogen is contained in a fiber made of a polymer not containing halogen by post-processing can be exemplified.
• halogen-containing fibers include, for example, homopolymers and copolymers of halogen-containing monomers such as vinyl chloride and vinylidene chloride.
• a copolymer with a monomer copolymerizable with the halogen-containing monomer for example, acrylonitrile, styrene, vinyl acetate, acrylate, and the like can be given.
• the fiber which consists of a graft polymer etc. of the form which the halogen containing monomer grafted to the PVA-type polymer etc. is mentioned, it is not limited to these.
• halogen-containing fibers include modacrylic fibers, which are fibers made of a copolymer of a halogen-containing monomer and acrylonitrile.
• halogen-containing fiber For the halogen-containing fiber, various additives, for example, matting agents, heat stabilizers, antifoaming agents, color modifiers, flame retardants, antioxidants, ultraviolet absorbers, infrared absorbers, An optical brightener may be included. Moreover, these additives may be used independently and may combine 2 or more types.
• the flame retardant is at least one selected from the group consisting of Sb compounds, Sn compounds, Zn compounds, Mg compounds, Mo compounds, Ti compounds, P compounds, Al compounds, Zr compounds, and Si compounds. It is preferable.
• Sb compound examples include antimony trioxide, antimony pentoxide, antimonic acid, and antimony oxychloride.
• Sn compound examples include stannic oxide, metastannic acid, stannous oxyhalide, stannic oxyhalide, stannous hydroxide, and tin tetrachloride.
• Zn compound examples include zinc oxide.
• Mg compound examples include magnesium oxide and magnesium hydroxide.
• Mo compound include molybdenum oxide.
• Ti compound examples include titanium oxide and barium titanate.
• P compound include ammonium polyphosphate and dibutylaminophosphate.
• Al compound include aluminum hydroxide, aluminum sulfate, and aluminum silicate.
• Zr compound examples include zirconium oxide.
• Si compound examples include silicate and glass.
• Natural or synthetic mineral-based compounds containing these flame retardants can also be suitably used, and examples thereof include kaolin, zeolite, montmorillonite, talc, perlite, bentonite, vermiculite, diatomaceous earth, and graphite.
• complex compounds such as a magnesium stannate, a zinc stannate, a zirconium stannate, may be sufficient.
• flame retardants it is at least one selected from the group consisting of Sb compounds, Sn compounds, Zn compounds, Mg compounds, and P compounds from the viewpoint of availability and flame retardancy imparting effect. It is preferable. More preferred is at least one selected from the group consisting of Sb compounds, Sn compounds and Zn compounds, and most preferred are Sb compounds. These may be used alone or in combination of two or more.
• cellulose fiber examples include cotton, hemp, rayon, polynosic, cupra, acetate, and triacetate.
• cellulosic fiber flame-retarded by the post-processing etc. which used the flame retardant and the silicic acid containing cellulosic fiber which contained silicic acid or / and aluminum silicate as a flame retardant. These may be used alone or in combination of two or more.
• Examples of the flame retardant used when flame-retarded by the post-processing, etc. include phosphate ester compounds, halogen-containing phosphate ester compounds, condensed phosphate ester compounds, polyphosphate compounds, and polyphosphate ester compounds. Compounds and other flame retardants can be used.
• phosphate ester compounds include triphenyl phosphate, tricresyl phosphate, trixylenyl phosphate, trimethyl phosphate, triethyl phosphate, cresyl phenyl phosphate, xylenyl diphenyl phosphate, resorcinol bis (diphenyl phosphate), 2-ethylhexyl Examples thereof include diphenyl phosphate, dimethylmethyl phosphate, triallyl phosphate (leophos), aromatic phosphate ester, phosphonocarboxylic acid amide derivative, tetrakis / hydroxymethylphosphonium derivative, N-methyloldimethylphosphonopropionamide and the like.
• halogen-containing phosphoric acid ester compounds include tris (chloroethyl) phosphate, trisdichloropropyl phosphate, tris- ⁇ -chloropropyl phosphate, chloroalkyl phosphate, tris (tribromoneopentyl) phosphate, diethyl-N, N-bis. Examples thereof include (2-hydroxyethyl) aminomethyl phosphate and tris (2,6-dimethylphenyl) phosphate.
• the condensed phosphate ester compounds include aromatic condensed phosphate esters and halogen-containing condensed phosphate esters.
• polyphosphate compounds include ammonium polyphosphate amide, polychlorophosphonate, and the like.
• polyphosphate ester compounds include polyphosphate carbamates.
• Other flame retardants include red phosphorus, amine compounds, boric acid, halogen compounds, bromides, phosphate-urea compounds such as urea-formaldehyde compounds and phosphorus-containing aminoplasts, ammonium sulfate, and guanidine-based condensates.
• flame retardant used when making it flame-retardant by these post-processing etc. it may be used independently and may be used in combination of 2 or more types.
• various additives such as a matting agent, a heat stabilizer, an antifoaming agent, a color stabilizer, an antioxidant, an ultraviolet absorber, an infrared absorber, and a fluorescent enhancer may be added to the cellulose fiber as necessary. You may contain a whitening agent etc.
• the woven fabric of the present invention uses a spun yarn containing a flame retardant-containing halogen-containing fiber containing 3 to 50 parts by weight of a flame retardant with respect to 100 parts by weight of the halogen-containing fiber and a spun yarn containing 70% or more of cellulosic fibers. By doing so, even in a woven fabric using polyester-based yarn for warp, an effect of preventing a hole from being opened during combustion can be obtained. Thereby, the flame retardancy of the woven fabric can be improved.
• the spun yarn by alternately weaving the spun yarn, it is possible to maintain a good texture even after processing such as brushed pretreatment and dyeing. This is because a spun yarn containing 70% or more of cellulosic fibers has a low shrinkage rate due to heating, and the spun yarn having such a low shrinkage rate is uniformly present in the woven fabric. This is because the effect of suppressing the shrinkage of the fabric in the weft direction can be obtained. Therefore, it is preferable to contain the cellulosic fibers in a cellulosic fiber-containing spun yarn by 70% or more.
• the content of cellulosic fibers is more preferably 75% or more, still more preferably 80% or more, and even more preferably 100%.
• the flame retardant-containing halogen-containing fiber is preferably contained in an amount of 15 to 45% by weight based on the total weight of the unwoven fabric. It becomes difficult to maintain the flame retardancy of the fabric due to insufficient flammability. Moreover, when it exceeds 45 weight%, since the heat resistance of a textile fabric is inferior and it causes the deterioration of workability and a flame retardance, it is unpreferable.
• the flame retardant-containing halogen-containing fiber is particularly preferably contained in an amount of 20 to 40% by weight, and most preferably 25 to 40% by weight, based on the total weight of the unwoven fabric.
• the cellulosic fibers are preferably contained in an amount of 15 to 45% by weight based on the total weight of the unwoven fabric.
• the content of cellulosic fibers in the total weight of the unwoven fabric is less than 15% by weight, the effect of preventing the opening of holes during combustion is small.
• the content exceeds 45% by weight the holes are not opened but it is easy to continue the combustion. These are not preferable because the flame retardancy of the fabric is insufficient.
• the cellulosic fiber content is particularly preferably 20 to 40% by weight, most preferably 25 to 40% by weight, based on the total weight of the unwoven fabric.
• the flame retardant-containing halogen-containing fiber is preferably a flame retardant-containing halogen-containing fiber containing 3 to 50 parts by weight of a flame retardant with respect to 100 parts by weight of the halogen-containing fiber.
• the lower limit of the flame retardant content is more preferably 8 parts by weight, and even more preferably 9 parts by weight.
• the upper limit of the flame retardant content is more preferably 30 parts by weight, and even more preferably 25 parts by weight.
• the amount is less than 3 parts by weight, the flame retardancy becomes insufficient, and it becomes difficult to maintain the flame retardancy of the woven fabric.
• the amount exceeds 50 parts by weight the physical properties such as strength are inferior and the weaving workability is lowered. Absent.
• the halogen-containing fiber is a total amount including 30 to 70% by weight of acrylonitrile, 70 to 30% by weight of the halogen-containing vinyl monomer, and 0 to 10% by weight of the vinyl monomer copolymerizable therewith.
• a fiber containing a copolymer obtained by polymerizing 100% by weight of the composition is preferred from the viewpoint of imparting heat resistance.
• the halogen-containing vinyl monomer in the composition is preferably 35 to 60% by weight, and more preferably 40 to 55% by weight. If the halogen-containing vinyl monomer is less than 30% by weight, the flame retardancy is insufficient and it is difficult to maintain the flame retardancy of the final product, and if it exceeds 70% by weight, the heat resistance is poor.
• the halogen-containing vinyl monomer is preferably a halogen-containing vinylidene compound, and particularly preferably vinylidene chloride from the viewpoint of imparting flame retardancy to the fabric.
• the suede-like flame-retardant union woven fabric according to the present invention is a flame-retardant union woven fabric composed of warps and wefts.
• polyester-based yarns are used for warps, and cellulosic fibers are 70% by weight for wefts.
• the relaxation treatment temperature is more preferably 110 to 135 ° C., and particularly preferably 120 to 130 ° C. Further, the relaxation rate is more preferably 5 to 15%, and particularly preferably 5 to 10%.
• the reason why the flame retardant interwoven fabric of the present invention has excellent flame retardancy is that, when the fabric is combusted, the halogen and the flame retardant contained in the fabric are gasified at the time of combustion to generate non-combustible gas. Estimated to promote the carbonization of the cellulose component contained in the fiber to form a strong carbonized skeleton and prevent the formation of large holes even in woven fabrics containing polyester fibers. To do.
• the suede flame retardant interwoven fabric of the present invention has a shrinkage rate of less than 20% in the weft direction, which is also a factor that provides a favorable texture.
• the shrinkage rate in the weft direction of the fabric can be evaluated using the shrinkage rate before and after the pressurized hot water treatment and the drying operation.
• Example 1 Woven direction shrinkage of the fabric
• the shrinkage rate in the weft direction of the fabric was calculated by the following formula (Formula 1). Those less than 10% were evaluated as “ ⁇ ”, and those less than 10% as “ ⁇ ”. In the case where the shrinkage is large, the fabric weight per unit area increases due to the shrinkage, and the tactile sensation becomes hard.
• Example 2 Evaluation of flame retardancy A polyurethane foam (type 360S manufactured by Toyo Tire & Rubber Co., Ltd.) having a thickness of 7.5 cm and a density of 22 kg / m 3 covered with a fabric described later is used as a home chair in the UK.
• the flame retardant test BS5852: 1990 was conducted in accordance with the Source1 method.
• Source1 compliance refers to Source1 compliance as described in British Standards “Methods of test for assessment of the ignitability of upholstered seating by smouldering and flaming ignition sources”, standard number BS 5852: 1990.
• ⁇ B4> was added with 3 parts by weight of zinc stannate
• ⁇ B5> was added with 8 parts by weight of antimony pentoxide to obtain a spinning dope.
• These spinning stock solutions were extruded into a 30 wt% aqueous acetone solution through a nozzle having a diameter of 0.08 millimeters and a hole number of 300 holes, washed with water and dried, then stretched 3 times at 120 ° C, and at 150 ° C for 5 minutes. Heat treatment was performed, a finishing oil for spinning was attached, crimped, cut to 51 millimeters, and 2 denier / 51 millimeter fibers were obtained. The obtained fibers are shown in Table 1.
• Examples 1 to 7 and Comparative Examples 1 to 4 105 denier / 156 filaments manufactured by false twisting using 30 denier / 12 filament high shrinkage polyester multifilament made by Jiangsu Xinmin Textile Science & Technology as core yarn and 75 denier / 144 filament polyester multifilament made by Jiangsu Xinmin Textile Science & Technology Were used as warps, and wefts 1 and 2 shown in Table 2 were used as wefts to produce a woven fabric.
• the rayon used as the weft is HOPE (registered trademark) 2 denier / 51 mm manufactured by Ohmicenshi, and the polyester used as the weft used is Tetron (registered trademark) 2 denier / 51 mm manufactured by Toray. Each of them obtained a spun yarn.
• the wefts were arranged in the direction perpendicular to the warp so that the wefts 1 and the wefts 2 were alternately arranged in parallel. Weaving so that the number of warps per transverse length of the fabric is 94 / cm, and the number of wefts per longitudinal length of the fabric is 36 / cm.
• a 2/1 twill fabric having a width of 150 cm was produced.
• the surface side was raised twice with 5 emery rolls, a paper surface rotation speed of 500 m / min, a cloth speed of 10 m / min, and a contact pressure of 1.0 kg, to prepare a suede woven fabric.
• the results are shown in Table 2.
• the fabric of Comparative Example 1 had a large shrinkage rate in the weft direction and was inferior in touch. Further, the woven fabrics of Comparative Examples 2 to 4 were insufficient in flame retardancy.
• the content of cellulosic fibers in the spun yarn is insufficient.
• the amount of cellulosic fibers in the fabric is insufficient.
• difficulty is caused by insufficient amounts of halogen and flame retardant. It was thought to be due to lack of flammability.

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• Woven Fabrics (AREA)
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• Treatment Of Fiber Materials (AREA)

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• 2012
  • 2012-06-22 CN CN201280030439.8A patent/CN103608505A/zh active Pending
  • 2012-06-22 TW TW101122661A patent/TW201311955A/zh unknown
  • 2012-06-22 EP EP12802261.3A patent/EP2725127A1/de not_active Withdrawn
  • 2012-06-22 US US14/127,388 patent/US20140134908A1/en not_active Abandoned
  • 2012-06-22 WO PCT/JP2012/065943 patent/WO2012176859A1/ja active Application Filing
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