WO2023032387A1 - Tissu de fibres et procédé de teinture de tissu de fibres - Google Patents

Tissu de fibres et procédé de teinture de tissu de fibres Download PDF

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Publication number
WO2023032387A1
WO2023032387A1 PCT/JP2022/022853 JP2022022853W WO2023032387A1 WO 2023032387 A1 WO2023032387 A1 WO 2023032387A1 JP 2022022853 W JP2022022853 W JP 2022022853W WO 2023032387 A1 WO2023032387 A1 WO 2023032387A1
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WO
WIPO (PCT)
Prior art keywords
fiber fabric
dyeing
fiber
temperature
color fastness
Prior art date
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PCT/JP2022/022853
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English (en)
Japanese (ja)
Inventor
泰治 ▲高▼木
順正 金法
Original Assignee
小松マテーレ株式会社
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Filing date
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Application filed by 小松マテーレ株式会社 filed Critical 小松マテーレ株式会社
Priority to KR1020247002209A priority Critical patent/KR20240047966A/ko
Priority to CN202280055785.5A priority patent/CN117813427A/zh
Priority to JP2023545093A priority patent/JPWO2023032387A1/ja
Publication of WO2023032387A1 publication Critical patent/WO2023032387A1/fr

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Classifications

    • 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
    • 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
    • D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/08—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with halogenated hydrocarbons
    • 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
    • D06P3/52—Polyesters
    • D06P3/54—Polyesters using dispersed dyestuffs

Definitions

  • the present invention relates to a fiber fabric containing synthetic fibers and a method for dyeing the fiber fabric.
  • a polyester fiber (hereinafter also referred to as “regular PET fiber”) made of polyethylene terephthalate (hereinafter also referred to as “regular PET”) obtained by polymerizing terephthalic acid and ethylene glycol is made into a sheet such as woven fabric or knitted fabric.
  • Polyester fiber fabric (hereinafter also referred to as “regular PET fiber fabric”) is known.
  • Regular PET fiber has excellent strength and elongation, and has high heat resistance among synthetic fibers for clothing, and is highly versatile. For this reason, regular PET fibers are used for various items such as underwear such as shirts and pants, inner garments such as blouses and sweaters, outer garments such as coats and anoraks, curtains and sheets.
  • a dyeing method for coloring such regular PET fibers and regular PET fiber fabrics fibers, yarns or fabrics are immersed in an aqueous dispersion containing a disperse dye, and the aqueous dispersion is heated to 130 ° C. to 135 ° C.
  • a method is known in which disperse dyes are exhausted (dyed) between molecular chains of polyethylene terephthalate constituting regular PET fibers by heating and treating at a high temperature of .
  • Fiber fabrics colored in this way have excellent color fastness to light and washing.
  • polyester fiber made by introducing a sulfonic acid group into the polyester so that it can be dyed at normal pressure with a cationic dye, or a (poly)oxyalkylene group added to the polyester.
  • polyester fibers that are introduced to enable dyeing at a low temperature with disperse dyes, or a combination thereof (Patent Document 1).
  • the polyester fiber into which a sulfonic acid group has been introduced has excellent color fastness because the cationic dye and the polyester fiber are bonded by ionic bonds, but the yarn strength is lower than that of regular PET fiber. There is a problem that it is weak.
  • polyester fibers to which (poly)oxyalkylene groups have been introduced have the problem of low washing fastness and sublimation fastness.
  • polyester fiber into which a sulfonic acid group is introduced and the polyester fiber into which a polyoxyalkylene group is introduced are difficult to use for general purposes because the production cost of the polyester resin is higher than that of regular PET.
  • the present invention has been made to solve such problems, and is a polyester fiber fabric obtained using synthetic fibers, particularly synthetic fibers made of polyethylene terephthalate, while reducing the temperature during dyeing.
  • the purpose of the present invention is to provide a fiber fabric, etc., which has excellent versatility and has excellent color fastness.
  • one aspect of the fiber fabric and the dyeing method for the fiber fabric according to the present invention has the following configuration.
  • One aspect of the fiber fabric according to the present invention includes synthetic fibers having a rigid amorphous fraction of 55% or less.
  • the synthetic fibers are preferably made of polyethylene terephthalate.
  • the fiber fabric is dyed with a disperse dye, and JIS L 0842 color fastness to ultraviolet carbon arc lamp light color fastness in the third exposure method is grade 3 or higher.
  • JIS L 0844 Color fastness test to washing Method A The color fastness in No. A-2 is grade 3 or higher in discoloration and staining grade 3 or higher, and JIS L 0860 Color fastness to dry cleaning A-1 method The color fastness is preferably grade 4 or higher for discoloration and grade 3 or higher for staining.
  • the fiber fabric is JIS L 1091 Combustibility test method for textile products A-1 method (45 ° micro burner method) both in heating for 1 minute and heating for 3 seconds. Afterflame is within 3 seconds, dust is within 5 seconds, carbonized area is within 30 cm 2 , and the number of times of flame contact is 3 or more in Method D (flame contact test (coil method)).
  • the method for dyeing a fiber fabric according to the present invention comprises immersing the fiber fabric in an aqueous dispersion containing a disperse dye and performing dyeing at a temperature of 120°C or less.
  • the aqueous dispersion preferably contains a flame retardant.
  • the fiber fabric according to the present invention can be dyed at a low temperature.
  • it is a fiber fabric containing synthetic fibers obtained using polyethylene terephthalate, it can be dyed at a temperature of 120° C. or less, so it is possible to greatly reduce the amount of energy used during dyeing.
  • the dyeing time can be shortened.
  • the synthetic fiber according to the present invention has excellent color fastness even though it is dyed at a low temperature of 120°C or less. Therefore, by using the synthetic fiber according to the present invention, it is possible to obtain a fiber fabric that can be used in various applications such as underwear, innerwear, outerwear, curtains, and sheets.
  • the synthetic fiber contained in the fiber fabric according to the present embodiment has a rigid amorphous fraction of 55% or less.
  • Drawn synthetic fibers generally consist of three phases: crystalline, mobile amorphous (amorphous exhibiting glass transition), and rigid amorphous (amorphous exhibiting no glass transition).
  • Normal (conventional) polyester fibers made of polyethylene terephthalate also referred to as “normal yarn” have a rigid amorphous fraction of about 60 to 70%, but the synthetic fibers used for the fiber fabric according to the present embodiment are As described above, the rigid amorphous fraction is 55% or less.
  • a synthetic fiber having a rigid amorphous fraction of 55% or less By using a synthetic fiber having a rigid amorphous fraction of 55% or less, even when the synthetic fiber is dyed at a low temperature, it has excellent coloring (dyeability) and is used in the field of clothing and the like. also has sufficient color fastness.
  • the combination of the crystal and the rigid amorphous is regarded as the total crystalline region, in the present embodiment, since the rigid amorphous fraction of the synthetic fiber is 55% or less, the crystal content is combined with the rigid amorphous. Also, the total crystal area is small. A lower total crystalline area indicates a higher mobile amorphous content that contributes to dyeing.
  • the synthetic fiber according to the present embodiment which has a smaller total crystal region than the normal yarn, has more mobile amorphous components that contribute to dyeing than the normal yarn. It is believed that this improves the dyeability at low temperatures. That is, since the synthetic fiber according to the present embodiment has a rigid amorphous fraction of 55% or less, the total crystal region is small and the mobile amorphous portion contributing to dyeing is large. As a result, the dyeing treatment can be performed at a low temperature to obtain a desired color density.
  • the lower limit of the rigid amorphous fraction is not particularly limited. It is preferably 20% or more, more preferably 25% or more, and even more preferably 30% or more.
  • the degree of orientation A in a plane parallel to the fiber axis direction obtained by wide-angle X-ray scattering measurement is preferably smaller than that of ordinary yarn.
  • normal yarn made of polyethylene terephthalate has an orientation degree A of about 83.4%, but the orientation degree A of synthetic fibers in the present embodiment is preferably smaller than this.
  • the degree of orientation A is preferably 80% or less, more preferably 78% or less.
  • the scattering intensity is plotted along the azimuth angle of the portion corresponding to the Miller index (100) plane in the triclinic system, and the half width of the peak that appears is Wh , the following (Equation 1) can be obtained. can be done.
  • a fully automatic multi-purpose X-ray diffractometer "SmartLab” (trade name) provided by Rigaku Co., Ltd. was used as the measuring device, and the measurement was performed at a tube current of 200 mA, a tube voltage of 45 kV, and an irradiation time of 15 minutes. By doing so, the degree of orientation A can be obtained.
  • the lower limit of the degree of orientation A is not particularly limited, but if the degree of orientation A is less than 70%, the crystal components in the molecules that exhibit high strength are not sufficiently oriented in the axial direction of the fiber, Mechanical strength may decrease.
  • the rigid amorphous fraction (%) of synthetic fibers can be obtained by the following (formula 2).
  • the rigid amorphous fraction and crystallinity of synthetic fibers are determined by temperature modulation DSC.
  • DSC8500 manufactured by PerkinElmer
  • the temperature rising conditions are between 60 and 160°C, which are moderate conditions for specific heat measurement around the glass transition temperature. 2 minutes, and between 160° C. and 280° C. are fast conditions to prevent recrystallization, for example, a heating rate of 40° C./min, a step temperature width of 2° C., and an isothermal holding time of 0.4 minutes.
  • the sample weight is measured at about 5 mg, and the rigid amorphous fraction can be obtained by the following (Equation 3) and (Equation 4).
  • ⁇ C p , ⁇ C p,a , ⁇ h F , ⁇ h F,perfect are defined as follows.
  • ⁇ C p Difference in specific heat before and after glass transition temperature obtained by temperature-modulated DSC ⁇ C p,a : Difference in specific heat before and after glass transition temperature of completely amorphous polyethylene terephthalate ⁇ h F: Heat of fusion of sample ⁇ h F, perfect : heat of fusion of perfect crystal
  • the glass transition temperature of synthetic fibers is obtained from the temperature dependence of the dynamic tensile modulus.
  • the measurement frequency is 10 Hz
  • the temperature increase rate is 2 ° C./min
  • the temperature at the peak of the loss elastic modulus in the temperature range of 40 to 150 ° C. is obtained. be able to.
  • the glass transition temperature of the regular PET fiber according to the present embodiment is preferably 110°C or higher, more preferably 114°C or higher, from the viewpoint of suppressing shrinkage of the fiber fabric due to heat. Moreover, from the viewpoint of suppressing embrittlement of the fiber fabric, the glass transition temperature of the regular PET fiber is preferably 125° C. or lower, more preferably 122° C. or lower.
  • the synthetic fibers in the fiber fabric according to the present embodiment are composed of polyethylene terephthalate, for example.
  • the fiber fabric using synthetic fibers according to the present embodiment will be described with respect to the fiber fabric using fibers made of polyethylene terephthalate as the synthetic fibers.
  • the fiber made of polyethylene terephthalate is a fiber melt-spun using a polyester resin (regular PET) obtained by polymerizing ethylene glycol and terephthalic acid.
  • the rigid amorphous fraction is 55% or less.
  • the regular PET fibers may contain known additives such as titanium oxide, antioxidants, light stabilizers, catalysts, etc., which are used for dulling of known polyester fibers.
  • the regular PET fiber according to the present embodiment has a rigid amorphous fraction of 55% or less, it has excellent dyeability and colorfastness even when the dyeing treatment is performed at a low temperature as described above.
  • the rigid amorphous fraction is more preferably 50% or less.
  • the crystallinity of the regular PET fiber according to the present embodiment is not particularly limited, but although it depends on the rigid amorphous fraction, from the viewpoint of the strength of the yarn obtained, it is 20% or more. It is preferably 45% or less from the viewpoint of dyeability at low temperatures.
  • the regular PET fiber according to this embodiment may be either monofilament or multifilament. From the viewpoint of versatility, the regular PET fibers are preferably multifilaments.
  • the yarn obtained from regular PET fibers is not particularly limited, it may have a thickness of 5 decitex to 200 decitex and a filament count of about 1 to 300.
  • regular PET fibers according to the present embodiment may be either long fibers or short fibers.
  • the regular PET fiber according to the present embodiment is not particularly limited in its adjusting method as long as the rigid amorphous fraction is adjusted to 55% or less.
  • Methods for adjusting the rigid amorphous fraction include, for example, addition of particles serving as a crystal nucleating agent or crystallization inhibitor to fibers, heating and rapid cooling of fibers or fiber fabrics, and spraying of suitable liquids such as water and organic solvents. and immersion in a liquid, stretching, application of mechanical shear force such as kneading, and methods combining these.
  • melt-spinning by a known method (raw silk: FDY, semi-drawn yarn: POY, or a composite of these yarns with a partially changed draw ratio), and then heated to 110 ° C. or higher and 160 ° C.
  • False twisting at a draw ratio of less than 1.6 at the following temperature has the effect of lowering the dyeing temperature by adjusting the rigid amorphous fraction to 55% or less, and the mechanical strength and dimensional stability of the fiber. , the texture can be improved at the same time, and the process can be simplified, which is preferable.
  • the temperature during false twisting is 120° C. or higher and 150° C. or lower.
  • the temperature during false twisting is preferably 140° C. or less.
  • the draw ratio is more preferably 1.5 or less.
  • the draw ratio is preferably 1.1 or more, more preferably 1.3 or more, from the viewpoint of bulkiness and stretchability of the yarn. .
  • the heat treatment during false twisting is performed in two ways. It is better to do it step by step.
  • the heat treatment is preferably performed at a heating temperature of 110° C. or higher and 160° C. or lower in the first step, and the heat treatment is performed at a heating temperature of 200° C. or higher and 300° C. or lower in the second step.
  • the heating temperature in the first stage is from 120°C to 150°C
  • the heating temperature in the second stage is from 230°C to 280°C, even more preferably from 240°C to 270°C. is preferred.
  • the rigid amorphous fraction of the regular PET fibers changes due to the heat treatment, it is preferable to control the heating temperature and the like so that the rigid amorphous fraction does not deviate from the preferable range.
  • regular PET fibers drawn as described above may be used as a composite yarn having different drawing ratios.
  • Composite use of regular PET fibers having different draw ratios can impart a heathered appearance, a feeling of fullness, and the like to the obtained fiber fabric.
  • regular PET fibers with different draw ratios if regular PET fibers with a rigid amorphous fraction of 55% or less are included, regular PET fibers with a rigid amorphous fraction of more than 55% are included. good too.
  • a yarn made of drawn regular PET fibers and a yarn made of undrawn regular PET fibers are aligned, and examples include those subjected to fluid treatment such as taslan treatment and interlace treatment, and those in which a yarn made of drawn regular PET fibers is used as a core yarn and a yarn made of undrawn regular PET fibers is wound around it to form a sheath yarn.
  • fluid treatment such as taslan treatment and interlace treatment
  • a yarn made of drawn regular PET fibers is used as a core yarn and a yarn made of undrawn regular PET fibers is wound around it to form a sheath yarn.
  • the regular PET fibers are short fibers
  • drawn regular PET fibers and undrawn regular PET fibers may be blended to form a composite.
  • the fiber fabric according to the present embodiment contains the above regular PET fibers, and its form is not particularly limited, and examples thereof include woven fabrics, knitted fabrics, and non-woven fabrics.
  • the regular PET fiber may be a yarn made of regular PET fiber having a rigid amorphous fraction of more than 55%, a yarn made of nylon fiber, or a polyester fiber into which a sulfonic acid group is introduced.
  • Synthetic fiber yarns, regenerated fibers such as rayon and acetate, semi-synthetic fibers, and natural fibers such as cotton, hemp, wool, silk, etc. may be used.
  • the fiber fabric according to the present embodiment is JIS L 0842 color fastness to ultraviolet carbon arc lamp light fastness in the third exposure method is grade 3 or higher, and JIS L 0844 color fastness test to washing A method A-2 color fastness is grade 3 or higher and staining grade 3 or higher, and JIS L 0860 color fastness to dry cleaning A-1 method is discoloration or fading grade 4 or higher and staining grade 3 or higher. good.
  • the fiber fabric according to the present embodiment preferably has a fastness level of discoloration grade 4 or higher and contamination grade 3 or higher in the JIS L 0854 dye fastness test method for sublimation.
  • the fiber fabric according to the present embodiment is immersed in an aqueous dispersion containing a disperse dye and dyed at a temperature of 120 ° C. or less. It is possible.
  • regular PET fibers and regular PET fiber fabrics obtained by dyeing regular PET fibers having a rigid amorphous fraction of more than 55% at a temperature of 120 ° C. or less have not achieved sufficient concentrations and desired
  • the disperse dye is not sufficiently exhausted to the gap between the molecules of the regular PET fiber, so a large amount of the disperse dye adheres to the surface of the fiber. Therefore, the color fastness to light, color fastness to washing, color fastness to sublimation, color fastness to dry cleaning and color fastness to rubbing were poor, and it was not possible to use it as a colored product with a desired color for clothes, curtains, and the like.
  • polyester fibers into which polyoxyalkylene groups are introduced at temperatures of 120° C. or less, they are highly hydrophilic, so their fastness to washing and fastness to rubbing (wet) are poor. There is the problem of low
  • the fiber fabric according to the present embodiment has excellent color fastness as described above, and it is possible to provide clothes, curtains, etc. colored in any desired color.
  • the fiber fabric according to the present embodiment is JIS L 1091 Combustibility test method for textile products A-1 method (45 ° micro burner method) heating for 1 minute and heating for 3 seconds with flame afterflame within 3 seconds, It is preferable that the residue is within 5 seconds, the carbonized area is within 30 cm 2 , and the number of times of flame contact is 3 or more in the D method (flame contact test (coil method)).
  • the fiber fabric according to the present embodiment can have the above flame retardancy even if it is immersed in an aqueous dispersion containing a flame retardant and processed at a temperature of 120 ° C. or less. is.
  • the flame retardant is It was thought that it would be difficult to meet the flame retardant standards set by the Japan Fire Retardant Association with low-temperature treatment such as 120°C or lower due to its low exhaustion rate.
  • the fiber fabric according to the present embodiment can meet the flame retardant performance test standards for the flame retardant articles set forth by the Fire Retardant Association.
  • the fiber fabric according to the present embodiment is subjected to a JIS L1902 antibacterial test for textile products after washing according to the product washing method prescribed by the High Temperature Accelerated Washing Method 50 Washes specified by the General Incorporated Association Textile Evaluation Technology Council.
  • Method and antibacterial effect Quantitative test Bacterial liquid absorption method Bacterial species used: Antibacterial activity value measured according to Staphylococcus aureus, growth of control sample (standard cloth (cotton): provided by (one company) Textile Evaluation Technology Council) value should be exceeded.
  • the fiber fabric according to the present embodiment has an antibacterial activity value after 100 washings (high temperature accelerated washing method: washing twice according to the product washing method prescribed for 50 washings) is the same as the control It should exceed the growth value of the sample (standard cloth (cotton): provided by the Japan Textile Evaluation Technology Council).
  • the high-temperature accelerated washing method is to wash at a high temperature of 80 ° C.
  • the fiber fabric according to the present embodiment has the above bacteriostatic performance even when it is immersed in an aqueous dispersion containing zinc pyrithione as an antibacterial agent and processed at a temperature of 120°C or less.
  • the fiber fabric according to the present embodiment even when the dyeing treatment is performed at a lower temperature than the conventional fiber fabric, the dyeing density (color density) and color fastness are equivalent to those of the conventional fiber fabric.
  • the desired fiber fabric can be obtained with less energy and in a short processing time.
  • the fiber fabric according to the present embodiment the case where the fiber fabric is immersed in an aqueous dispersion containing a disperse dye or the like at a temperature of 120 ° C. or less to perform a dyeing treatment or the like has been described.
  • dyeing a fiber fabric containing synthetic fibers for example, the case where the dyeing process is performed by immersing it in an aqueous dispersion containing a disperse dye at a temperature exceeding 120 ° C., such as 130 ° C., is not excluded.
  • dyeing treatment or the like may be performed by immersing in an aqueous dispersion containing a disperse dye or the like at a temperature exceeding 120°C.
  • the fiber fabric according to the present embodiment is not excluded from the fiber fabric according to the present embodiment, which is obtained by processing by a padding method or a textile printing method and imparted with functionality such as flame retardancy and bacteriostatic properties.
  • the fiber fabric according to may be imparted with functionality such as flame retardancy and bacteriostasis obtained by processing by a padding method or a textile printing method.
  • the dyeing method according to the present embodiment is a method for dyeing fiber fabric using synthetic fibers. Specifically, in the dyeing method according to the present embodiment, the regular PET fiber fabric is immersed in an aqueous dispersion containing a disperse dye and dyed at a temperature of 120° C. or less.
  • the dyeing method according to the present embodiment is a dyeing method called a bath exhaustion method, in which a fiber fabric is immersed in an aqueous dispersion containing a disperse dye, and the temperature of the aqueous dispersion is It is a method of dyeing a polyester fiber with a disperse dye by increasing the
  • the dyeing machine used for the bath exhaustion method includes a high-pressure jet dyeing machine, high-pressure wince, high-pressure jigger, high-pressure drum-type dyeing machine, and the like.
  • the normal pressure type dyeing machine can also be used.
  • disperse dyes can be used as disperse dyes, and the "Kayalon Polyester” series and “Kayalon Microester” (registered trademark) series provided by Nippon Kayaku Co., Ltd., and provided by Kiwa Kagaku Kogyo Co., Ltd. "KIWALON POLYESTER” series, “Sumikaron” (registered trademark) series provided by Sumika Chemtex Co., Ltd., "TERASIL” (registered trademark) series provided by Huntsman Japan Co., Ltd., and Distar Japan Co., Ltd. and the "Dianix” (registered trademark) series.
  • a known dyeing aid may be added to the aqueous dispersion containing the disperse dye.
  • Dyeing assistants include, for example, acids, pH adjusters, chelating agents, leveling agents, slowing agents, dispersants, and carriers.
  • the dyeing temperature (temperature during dyeing) is 120°C or less. From the viewpoint of energy suppression, the dyeing temperature is preferably 115° C. or lower, more preferably 110° C. or lower, and even more preferably 105° C. or lower.
  • the lower limit of the dyeing temperature is not particularly limited, but the dyeing temperature is preferably 95° C. or higher from the viewpoint of achieving the desired color density and color fastness of the dyed polyester fiber fabric. More preferably, it is 100° C. or higher.
  • the dyeing temperature is lowered to 120°C or less, so the amount of energy used in the dyeing process is reduced. Furthermore, dyeing processing time can be shortened, and productivity is improved.
  • the temperature increase rate of the aqueous dispersion containing the disperse dye is preferably 3°C/min or more. This makes it possible to shorten the dyeing processing time, which is preferable from the viewpoint of productivity. More preferably, the heating rate of the aqueous dispersion is 4°C/min, still more preferably 5°C/min.
  • the temperature increase rate of 3 ° C./min, and the temperature increase rate exceeding 3 ° C./min Dyeing unevenness is less likely to occur even when dyeing is performed at a heating rate. Therefore, the dyeing processing time can be effectively shortened, and the productivity can be significantly improved.
  • the bath ratio of the regular PET fiber fabric and the water dispersion containing the disperse dye may be about 1:2 to 1:100 in terms of mass ratio of fiber fabric:water dispersion.
  • the fiber fabric:water dispersion ratio is preferably 1:4 to 1:100, more preferably 1:10 to 1:100.
  • the fiber fabric:water dispersion ratio is preferably 1:2 to 1:30, more preferably 1:4 to 1:15.
  • the fiber fabric:water dispersion 1:3 to 1:20, more preferably 1:5 to 1:10.
  • the regular PET fiber fabric dyed by the above dyeing method may be washed with water, washed with hot water and/or reduced, if necessary.
  • the dyed regular PET fiber fabric is subjected to drying, finishing, setting, water-repellent finishing, flame-retardant finishing, antibacterial and deodorant finishing, bactericidal finishing, SR finishing, deodorant finishing, and UV shielding in the usual manner.
  • drying, finishing, setting, water-repellent finishing, flame-retardant finishing, antibacterial and deodorant finishing, bactericidal finishing, SR finishing, deodorant finishing, and UV shielding in the usual manner. You may give well-known functional processing, such as processing.
  • urethane resin film an acrylic resin film, or a polyester resin film may be laminated on the regular PET fiber fabric before or after being dyed by a known method.
  • the aqueous dispersion containing the disperse dye is added with functionality such as a flame retardant, an antibacterial agent, an ultraviolet absorber, a water absorbing agent, and an SR agent. Disperse dye containing agents may also be added.
  • flame retardants such as halogen-based flame retardants and phosphorus-based flame retardants may be added to the aqueous dispersion containing disperse dyes, since flameproofing can be performed along with dyeing.
  • the regular PET fiber fabric according to the present embodiment has the flame retardant performance of flame retardant articles stipulated by the Fire Retardant Association even if it is treated at a low temperature of 120 ° C. or less. Can meet test standards. As a result, it is possible to obtain a fiber fabric such as a regular PET fiber fabric having excellent color fastness and excellent flame retardancy even when dyeing and flameproofing are performed at a low temperature of 120° C. or less.
  • the aqueous dispersion containing the flame retardant may be added with a dyeing aid or the like used in the aqueous dispersion containing the disperse dye.
  • the regular PET fiber fabric according to the present embodiment can be dyed at a low temperature of 120° C. or less, while the general regular PET It has antibacterial and deodorant performance and/or bactericidal performance with excellent washing durability, equivalent to that of a fiber fabric processed at a normal temperature of 130°C.
  • an antibacterial agent particularly zinc pyrithione
  • a fiber fabric containing fibers made of regular PET fibers can be dyed at a low temperature, so that energy consumption can be reduced. Moreover, the dyeing time required for raising the temperature to reach the maximum dyeing temperature can be shortened, so that the productivity of the dyeing process can be improved.
  • the regular PET fiber fabric obtained by such a dyeing method has sufficient color density and excellent color fastness.
  • by adding a functional agent to the aqueous dispersion containing the disperse dye as necessary it is possible to obtain a fiber fabric excellent in flame retardancy, antibacterial and deodorizing properties, and antibacterial properties. Therefore, the regular PET fiber fabric according to the present embodiment can be used for various purposes such as underwear, inner garments, outerwear, sheets, curtains, etc., as a versatile fiber fabric, like conventional regular polyester fiber fabrics. Can be used for textile products.
  • the dyeing method according to the present embodiment can reduce the amount of energy used during the dyeing process, so it is also an environmentally friendly dyeing method.
  • % omf is the mass % of the dye with respect to the mass of the fiber.
  • Sublimation fastness A test was performed according to JIS L 0854, Color fastness test method for sublimation.
  • Bacterial species used According to Staphylococcus aureus, antibacterial before washing and after 50 and 100 times of high temperature accelerated washing method Activity values were measured. In addition, antibacterial activity value>proliferation value of control sample (standard cloth (cotton): provided by (one company) Textile Evaluation Technology Council) is regarded as an acceptance criterion.
  • washing process is based on the Textile Evaluation Technology Council, Product Certification Department, SEK Mark Textile Product Washing Method, High Temperature Accelerated Washing Method (washing method for products stipulated to be washed 50 times). bottom. In addition, "100 times of washing” was obtained by repeating the above 50 times of washing twice.
  • Rigid Amorphous Fraction and Crystallinity were determined by temperature modulation DSC.
  • DSC8500 manufactured by PerkinElmer
  • the temperature elevation conditions between 60°C and 160°C, the conditions are moderate for specific heat measurement around the glass transition temperature, with a temperature elevation rate of 5°C/min, a step temperature width of 2°C, and an isothermal holding time of 2 minutes.
  • the heating rate was 40° C./min
  • the step temperature width was 2° C.
  • the isothermal holding time was 0.4 min under fast conditions to prevent recrystallization.
  • measurement was performed with a sample weight of about 5 mg, ⁇ C p and ⁇ h F were calculated, and the rigid amorphous fraction was obtained by the following (Equation 5) and (Equation 6).
  • the glass transition temperature was obtained from the temperature dependence of the dynamic tensile modulus. Specifically, using a dynamic viscoelasticity measuring device E4000 (manufactured by UBM), the measurement frequency is 10 Hz, the temperature increase rate is 2 ° C./min, and the temperature at the peak of the loss elastic modulus in the temperature range of 40 to 150 ° C. A glass transition temperature was determined.
  • Example 1 Regular PET was melt-spun to obtain a semi-drawn yarn. Next, false twisting was performed to obtain a yarn made of regular PET fibers of 83 decitex and 36 filaments.
  • the obtained regular PET fiber had a rigid amorphous fraction of 46%, a crystallinity of 30%, and a glass transition temperature of 120°C.
  • this regular PET fiber was knitted to obtain a knitted fabric.
  • the dyed fiber fabric was colored uniformly light orange.
  • the time required for the dyeing process was about 90 minutes.
  • Example 2 Regular PET was melt-spun to obtain raw silk. Next, false twisting was performed to obtain a yarn made of regular PET fibers of 83 decitex and 36 filaments. The obtained regular PET fiber had a rigid amorphous fraction of 38%, a crystallinity of 37%, and a glass transition temperature of 119°C.
  • this regular PET fiber was knitted to obtain a knitted fabric.
  • the dyed fiber fabric was colored black.
  • the time required for the dyeing process (total time for a series of processes including scouring, dyeing, reduction washing, and water washing) was about 140 minutes.
  • Example 2 was uniformly dyed, and its color density was equivalent to that obtained by dyeing at 135°C for 60 minutes using the aqueous dispersion containing the disperse dye. color density. Table 1 shows the color fastness and the like of the fiber fabric of Example 2 thus obtained.
  • Example 3 Regular PET was melt-spun to obtain a semi-drawn yarn. Next, using two heaters, false twisting was carried out while heat treatment was carried out in two steps to obtain a yarn composed of regular PET fibers of 83 decitex and 36 filaments. The obtained regular PET fiber had a rigid amorphous fraction of 44%, a crystallinity of 33%, and a glass transition temperature of 114°C.
  • this regular PET fiber was used as the warp, and a commercially available 166 decitex, 48 filament black spun PET fiber (rigid amorphous fraction: 60%) was used as the weft.
  • a satin fabric having a basis weight of m 2 was obtained.
  • the knitted fabric obtained by knitting using the regular PET fibers thus obtained was dyed in the same manner as in Example 1.
  • the fiber fabric of Comparative Example 1 thus obtained was orange, but the color density was low.
  • the dyeing state of the fiber fabric of Comparative Example 1 the dyeing was slightly uneven.
  • the fiber fabric of Comparative Example 2 thus obtained had almost the same color and color fastness as Example 2, but the time required for dyeing (dyeing, reduction washing, reduction washing, water washing) The total time for a series of processes) was about 200 minutes. Table 1 shows the color fastness and the like of the fiber fabric of Comparative Example 2.
  • Example 4 The warp used in Example 3 was changed to the fiber used in Example 2, and the processing was performed in the same manner as in Example 3.
  • the fabric dyed using the regular PET fibers used in Example 3 had a longer length of the fabric after dyeing than the fabric dyed using the regular PET fibers used in Example 2.
  • the length was longer than 10%. Therefore, it was confirmed that heat treatment using two heaters during false twisting improves the dimensional stability of the obtained fiber fabric.
  • Other color fastness and flame retardancy were the same as in Example 3.
  • Example 5 Regular PET was melt-spun to obtain a semi-drawn yarn. Next, false twisting was performed to obtain a yarn made of regular PET fibers of 83 decitex and 36 filaments.
  • the obtained regular PET fiber had a rigid amorphous fraction of 46%, a crystallinity of 30%, and a glass transition temperature of 120°C.
  • the time required for the dyeing process was about 70 minutes.
  • Comparative Example 3 The fiber fabric was prepared in the same manner as in Example 5, except that the regular PET fiber described in Comparative Example 1 was used, and the temperature was raised to 130°C at a rate of 2°C/min and maintained for 10 minutes as the dyeing conditions. got The time required for the dyeing process (total time of heating the aqueous dispersion to 130°C and maintaining the temperature at 130°C for 10 minutes) was about 100 minutes.
  • Table 2 shows the color fastness, etc. of the fiber fabric of Comparative Example 3 thus obtained.
  • the fiber fabrics of Examples 1, 2, 3, 4, and 5 are fiber fabrics obtained using regular PET fibers, they are all dyed at a low temperature of 120 ° C. or less and in a short time. , and had the same color density and color fastness as those of conventional fiber fabrics obtained by dyeing at 130°C to 135°C. Therefore, it was confirmed that a colored regular PET fiber fabric can be obtained with a small amount of energy and that the productivity is also excellent.
  • Example 1 As can be seen by comparing Example 1 and Comparative Example 1, it was confirmed that the fiber fabric of Example 1 hardly causes dyeing unevenness even though the temperature rise rate is high, and the productivity is improved. was done.
  • Example 3 even if the treatment is performed at a low temperature of 120°C or less, a regular PET fiber fabric can be obtained that has flameproof performance equivalent to that of ordinary dyeing at 130°C to 135°C. was confirmed.
  • Example 5 the fiber fabric of Example 5 was treated at a lower temperature than the fiber fabric of Comparative Example 3, which was subjected to normal antibacterial treatment at 130 ° C.
  • the bacteriostatic fiber fabric has excellent washing durability in spite of the fact that the bacteriostatic treatment was performed in a short treatment time.
  • the fiber fabric using the synthetic fiber according to the present invention can be used for textile products for various purposes such as underwear, inner garments, outer garments, sheets or curtains.

Abstract

La présente invention permet d'obtenir un tissu de fibres présentant une excellente polyvalence, le tissu de fibres étant un tissu de fibres de polyester qui est obtenu à l'aide de fibres synthétiques qui sont formées à partir d'un polyéthylène téréphtalate, et le tissu de fibres restant capable d'abaisser la température pendant la teinture, tout en présentant une excellente solidité de la couleur par réglage de la fraction amorphe rigide des fibres synthétiques à 55 % ou moins.
PCT/JP2022/022853 2021-08-30 2022-06-06 Tissu de fibres et procédé de teinture de tissu de fibres WO2023032387A1 (fr)

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CN202280055785.5A CN117813427A (zh) 2021-08-30 2022-06-06 纤维布帛及纤维布帛的染色方法
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000328358A (ja) * 1999-05-11 2000-11-28 Toray Ind Inc ソフトポリエステル繊維および布帛
JP2014231650A (ja) * 2013-05-29 2014-12-11 東レ株式会社 極細繊維、人工皮革用基体および人工皮革
WO2016104278A1 (fr) * 2014-12-26 2016-06-30 東レ株式会社 Fibres de polyamide à haut rétrécissement, fil à filaments combinés utilisant celles-ci dans une partie de celui-ci, et tissu tissé ou tricoté
WO2019124189A1 (fr) * 2017-12-21 2019-06-27 東レ株式会社 Fibre courte de polysulfure de phénylène, structure fibreuse, feutre de filtre et filtre à sac
WO2019208427A1 (fr) * 2018-04-25 2019-10-31 東レ株式会社 Fibre de polyamide, tissu tissé ou tricoté, et procédé de production de fibre de polyamide

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000328358A (ja) * 1999-05-11 2000-11-28 Toray Ind Inc ソフトポリエステル繊維および布帛
JP2014231650A (ja) * 2013-05-29 2014-12-11 東レ株式会社 極細繊維、人工皮革用基体および人工皮革
WO2016104278A1 (fr) * 2014-12-26 2016-06-30 東レ株式会社 Fibres de polyamide à haut rétrécissement, fil à filaments combinés utilisant celles-ci dans une partie de celui-ci, et tissu tissé ou tricoté
WO2019124189A1 (fr) * 2017-12-21 2019-06-27 東レ株式会社 Fibre courte de polysulfure de phénylène, structure fibreuse, feutre de filtre et filtre à sac
WO2019208427A1 (fr) * 2018-04-25 2019-10-31 東レ株式会社 Fibre de polyamide, tissu tissé ou tricoté, et procédé de production de fibre de polyamide

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