EP3933080B1 - Fibre frisée à base de polyester, procédé de fabrication d'une telle fibre et procédé de fabrication d'étoffe à poils - Google Patents

Fibre frisée à base de polyester, procédé de fabrication d'une telle fibre et procédé de fabrication d'étoffe à poils

Info

Publication number
EP3933080B1
EP3933080B1 EP20765824.6A EP20765824A EP3933080B1 EP 3933080 B1 EP3933080 B1 EP 3933080B1 EP 20765824 A EP20765824 A EP 20765824A EP 3933080 B1 EP3933080 B1 EP 3933080B1
Authority
EP
European Patent Office
Prior art keywords
crimp
polyester
crimps
less
fibers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20765824.6A
Other languages
German (de)
English (en)
Other versions
EP3933080A1 (fr
EP3933080A4 (fr
Inventor
Nobutaka TAOKA
Yusuke Hirai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kaneka Corp
Original Assignee
Kaneka Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kaneka Corp filed Critical Kaneka Corp
Publication of EP3933080A1 publication Critical patent/EP3933080A1/fr
Publication of EP3933080A4 publication Critical patent/EP3933080A4/fr
Application granted granted Critical
Publication of EP3933080B1 publication Critical patent/EP3933080B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • 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
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
    • 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
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/14—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using grooved rollers or gear-wheel-type members
    • 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
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/20—Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl
    • D02G1/205—After-treatments for fixing crimp or curl
    • 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
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/24—Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics
    • 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
    • D04B1/02—Pile fabrics or articles having similar surface features
    • D04B1/025—Pile fabrics or articles having similar surface features incorporating loose fibres, e.g. high-pile fabrics or artificial fur
    • 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
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • D10B2321/101—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide modacrylic
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]

Definitions

  • the present invention relates to polyester-based fibers having a crimp with a crimped shape to be changed by a dry heat treatment, a method for manufacturing the same, a pile fabric including the same, and a method for manufacturing a pile fabric.
  • acrylic fibers and/or modacrylic fibers which have very similar texture and gloss to animal hair, have been widely used as pile fibers in a pile fabric as artificial fur that resembles natural fur.
  • acrylic fibers and modacrylic fibers have poor elasticity and lack firmness, and thus a pile fabric in which these fibers are used has inferior recovering strength and voluminousness in use and is different from natural fur.
  • polyester-based fibers as pile fibers.
  • a pile fabric in which polyester-based fibers are used has good recovering strength and voluminousness.
  • the temperature in polishing in the production of a pile fabric is low, crimps on pile fibers in a napped surface layer portion are not sufficiently removed, and the pile fibers are entangled with each other, resulting in a rough feel.
  • the shape of the fibers in a napped portion is completely different from that of natural fur.
  • polyester-based fibers in which polyester-based fibers are used needs to be polished at a temperature close to 200°C, and from the viewpoint of heat resistance, it has been difficult to use polyester-based fibers in combination with acrylic fibers and modacrylic fibers that have been used conventionally.
  • Patent Document 1 proposes that the crimp removability of polyester-based fibers be improved by adjusting, e.g., a fiber cross-section, fineness, fiber length, crimp frequency, percentage of crimp, and crimp fastness.
  • Patent Document 2 proposes that the crimp removability of polyester-based fibers in polishing be improved by imparting a crimp after a heat treatment at 160°C to 230°C is performed under conditions in which shrinkage is restricted to 1% to 7% in a spinning process.
  • US-A-3 946 469 describes an improved production process for polyester fibers with low frequency and heat-set primary and secondary crimps with an improved stuffer box design.
  • the primary crimp frequency can be 4 to 10 crimps per inch and the secondary crimp frequency is between 0.5 to 2.0 crimps per inch.
  • GB-A-1 369 851 discloses a polyester fiber having 7.0 to 10.0 primary crimps per 25 mm and 1.5 to 2.0 secondary crimps per 25 mm.
  • JP S48 45615 discloses a polyester fiber with 9.0 to 14.0 primary crimps per 25 mm and 1.5 to 2.5 secondary crimps per 25 mm.
  • the polyester-based fibers proposed in Patent Documents 1 and 2 exhibit good processability in a carding machine, and crimps can be removed by polishing in manufacturing a pile fabric.
  • the appearance of a napped portion, particularly of a napped surface layer portion in the obtained pile fabric is different from the appearance of a napped surface layer portion of natural fur, and needs to be further improved. The reason for this is described as follows.
  • the guard hair portion is straight while a gentle crimp is imparted on the down hair portion, and it is still more difficult to allow the appearance of an artificial pile fabric to closely resemble that of natural fur.
  • the present invention provides polyester-based fibers exhibiting good processability in a carding machine and being able to express a crimp similar to that of natural fur in a napped surface layer portion of a pile fabric through polishing at a relatively low temperature of 90°C or more and 160°C or less, a method for manufacturing the same, a pile fabric including the same, and a method for manufacturing a pile fabric.
  • the present invention relates to a polyester-based fiber having a crimp with a crimped shape to be changed by a dry heat treatment at 150°C for 10 minutes.
  • the polyester-based fiber has a crimp satisfying the requirements described in (1) below before the dry heat treatment and has a crimp satisfying the requirements described in (2) below after the dry heat treatment:
  • the present invention further relates to a method for manufacturing a polyester-based fiber including, in a crimp imparting process 1, imparting a crimp satisfying the requirements described in (2) below at a temperature of 130°C or more and 230°C or less on a polyester-based fiber that is not subjected to heat of 150°C or more in a spinning process before crimping, and then, in a crimp imparting process 2, crimping the polyester-based fiber at a temperature of 70°C or more and 130°C or less, to obtain a polyester-based fiber having a crimp satisfying the requirements described in (1) below:
  • the present invention also relates to a method for manufacturing a pile fabric including producing a pile fabric including the polyester-based fiber in an amount of 30% by weight or more with respect to the entire pile portion.
  • the polyester-based fiber is polished at a temperature of 90°C or more and 160°C or less.
  • the pile fabric may include a long pile portion and a short pile portion, and a difference between an average pile length of the long pile portion and an average pile length of the short pile portion may be 2 mm or more.
  • the pile fabric may include the polyester-based fiber in the short pile portion.
  • the long pile portion may include a modacrylic fiber constituted by an acrylic-based copolymer containing acrylonitrile in an amount of 35% by weight or more and less than 95% by weight.
  • polyester-based fibers exhibiting good processability in a carding machine and being able to express a crimp similar to that of natural fur in a napped surface layer portion of a pile fabric through polishing at a relatively low temperature of 90°C or more and 160°C or less, and a pile fabric including the polyester-based fibers.
  • the manufacturing methods of the present invention it is possible to obtain polyester-based fibers exhibiting good processability in a carding machine and being able to express a crimp similar to that of natural fur in a napped surface layer portion of a pile fabric through polishing at a relatively low temperature of 90°C or more and 160°C or less, and a pile fabric.
  • polyester-based fibers of the present invention are polyester-based fibers having a crimp with a crimped shape to be changed by a dry heat treatment at 150°C for 10 minutes.
  • the present inventors found that the polyester-based fibers having a crimp in which a crimped shape satisfying the requirements described in (1) below was changed into a crimped shape satisfying the requirements described in (2) below by the dry heat treatment exhibited better processability in a carding machine and were able to express a crimp more similar to that of natural fur in a napped portion, particularly in a napped surface layer portion of a pile fabric through polishing at a relatively low temperature of 90°C or more and 160°C or less.
  • polyester-based fibers having a crimp satisfying the requirements described in (1) below were able to be obtained by imparting a crimp satisfying the requirements described in (2) below at a temperature of 130°C or more and 230°C or less on polyester-based fibers that were not subjected to heat of 150°C or more in a spinning process before crimping, and then crimping the polyester-based fibers at a temperature of 70°C or more and 130°C or less.
  • polyester-based fibers having a crimp satisfying the requirements described in (1) below were able to be obtained by, in a crimp imparting process 1, imparting a crimp satisfying the requirements described in (2) below at a temperature of 130°C or more and 230°C or less on polyester-based fibers that were not subjected to heat of 150°C or more in melt spinning a polyester-based resin or a polyester-based resin composition into yarns and drawing the yarns to produce drawn yarns or in subjecting drawn yarns to a heat treatment to produce heat treated yarns, and then, in a crimp imparting process 2, crimping the polyester-based fibers at a temperature of 70°C or more and 130°C or less.
  • the polyester-based fibers thus obtained were subjected to a dry heat treatment at 150°C for 10 minutes, the polyester-based fibers exhibited crimp characteristics in which the crimped shape satisfying the requirements described in (1) below was changed into a crimped shape satisfying the requirements described in (2) below.
  • a pile fabric was produced using the polyester-based fibers exhibiting such crimp characteristics, processability in a carding machine was good, and it was possible to obtain a pile fabric expressing a crimp similar to that of natural fur in a napped portion, particularly in a napped surface layer portion through polishing at a relatively low temperature of 90°C or more and 160°C or less.
  • the polyester-based resin constituting the polyester-based fibers though it is not particularly limited, it is possible to use, e.g., at least one selected from the group consisting of polyalkylene terephthalate and a copolyester containing polyalkylene terephthalate as a main component.
  • the polyalkylene terephthalate include, but are not particularly limited to, polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate, and polytrimethylene terephthalate.
  • polyethylene terephthalate is preferable.
  • copolyester containing polyalkylene terephthalate as the main component examples include, but are not particularly limited to, copolyesters containing polyalkylene terephthalate such as polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate, or polytrimethylene terephthalate as the main component and other copolymer components.
  • copolyesters containing polyethylene terephthalate as the main component is preferable.
  • the term "main component” means a component contained in an amount of 50 mol% or more
  • the term "copolyester containing polyalkylene terephthalate as the main component” refers to a copolyester containing polyalkylene terephthalate in an amount of 50 mol% or more.
  • the "copolyester containing polyalkylene terephthalate as the main component” contains polyalkylene terephthalate preferably in an amount of 60 mol% or more, more preferably in an amount of 70 mol% or more, and further preferably in an amount of 80 mol% or more.
  • Examples of the other copolymer components include the following: polycarboxylic acids such as isophthalic acid, orthophthalic acid, naphthalenedicarboxylic acid, paraphenylenedicarboxylic acid, trimellitic acid, pyromellitic acid, succinic acid, glutaric acid, adipic acid, suberic acid, azelaic acid, sebacic acid, and dodecanedioic acid, and their derivatives; dicarboxylic acids including a sulfonic acid salt such as 5-sodiumsulfoisophthalic acid and dihydroxyethyl 5-sodiumsulfoisophthalate, and their derivatives; and 1,2-propanediol, 1,3-propanediol, 1,4-butanediol, 1,6-hexanediol, neopentyl glycol, 1,4-cyclohexanedimethanol, diethylene glycol, polyethylene glycol, trimethylo
  • copolyester containing polyalkylene terephthalate as the main component include polyesters obtained through copolymerization of polyethylene terephthalate as the main component with one or more compounds selected from the group consisting of ethylene glycol ether of bisphenol A, 1,4-cyclohexanedimethanol, isophthalic acid, and dihydroxyethyl 5-sodiumsulfoisophthalate.
  • the polyalkylene terephthalate and the copolyesters containing polyalkylene terephthalate as the main component may be used alone or in a combination of two or more.
  • the following are used alone or in a combination of two or more: polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate, a polyester obtained through copolymerization of polyethylene terephthalate as the main component with ethylene glycol ether of bisphenol A, a polyester obtained through copolymerization of polyethylene terephthalate as the main component with 1,4-cyclohexanedimethanol, a polyester obtained through copolymerization of polyethylene terephthalate as the main component with isophthalic acid, and a polyester obtained through copolymerization of polyethylene terephthalate as the main component with dihydroxyethyl 5-sodiumsulfoisophthalate.
  • the intrinsic viscosity (IV value) of the polyester-based resin is not particularly limited, but is preferably 0.3 or more and 1.2 or less, and more preferably 0.4 or more and 1.0 or less.
  • the intrinsic viscosity thereof is 0.3 or more, the mechanical strength of fibers obtained does not decrease.
  • the intrinsic viscosity is 1.2 or less, the molecular weight is not too large, and the melt viscosity is not too high. Thus, it is easy to perform melt spinning, and the fineness of the fibers obtained is likely to be uniform.
  • An additive agent such as a delustering agent, a lubricant, an antioxidant, a color pigment, a stabilizing agent, a flame retardant, or a toughening agent may be added to the polyester-based fibers as needed, for example.
  • the delustering agent may be, e.g., titanium dioxide.
  • the lubricant include silica microparticles and alumina microparticles.
  • the polyester-based fibers have a crimp with a crimped shape to be changed by the dry heat treatment at 150°C for 10 minutes.
  • the crimp refers to a periodic shape that is not straight and is imparted in an axial direction of a fiber.
  • the crimped shape to be changed refers to the change of a certain crimped shape into a different crimped shape, specifically the change of crimp characteristics such as a primary crimp frequency and a secondary crimp frequency or the visual shape of the crimp.
  • the shape of the crimp may be zigzag, wavy, or spiral, but is not limited to these.
  • a crimped shape 1 means a crimped shape before the dry heat treatment
  • a crimped shape 2 means a crimped shape after the dry heat treatment.
  • the dry heat treatment refers to a treatment of applying heat using dry air as a medium.
  • the dry heat treatment here is not particularly limited as long as the dry heat treatment is performed in a state where no load is applied, that is, no tension is applied in the axial direction of the fibers intentionally.
  • the fibers are allowed to stand still in a hot-air convection dryer set at 150°C in a state where no load is applied to the fibers in the axial direction.
  • the polyester-based fibers have a crimped shape 1 satisfying the requirements described in (1) below:
  • the crimped shape 1 satisfies the requirements (1), thereby enhancing processability in using the polyester-based fibers having the crimp to process the fibers into a pile fabric, specifically processability in a carding machine.
  • the crimped shape 1 has a primary crimp frequency of 5.0 crimps/25 mm or more and 30 crimps/25 mm or less, and preferably 8.0 crimps/25 mm or more and 15 crimps/25 mm or less. If the primary crimp frequency is less than 5.0 crimps/25 mm, the entanglement between fibers is loose, and the web may be easily cut.
  • the crimped shape 1 has a secondary crimp frequency 1.0 crimp/25 mm or more and 4.0 crimps/25 mm or less, and preferably 1.5 crimps/25 mm or more and 2.5 crimps/25 mm or less. If the secondary crimp frequency is less than 1.0 crimp/25 mm, the entanglement between fibers is loose, and the web may be easily cut.
  • the secondary crimp frequency is more than 4.0 crimps/25 mm, the entanglement between fibers is excessively increased, the processability in a carding machine may be deteriorated, or many neps or slubs may occur.
  • a crimped shape 2 of the polyester-based fibers satisfies the requirements described in (2) below: (2) a primary crimp frequency of 3.0 crimps/25 mm or more and 8.0 crimps/25 mm or less and a secondary crimp frequency of 0.0 crimps/25 mm or more and 1.0 crimp/25 mm or less.
  • the crimped shape 2 shows a crimp expressed by the polyester-based fibers constituting the pile fabric in processing the polyester-based fibers into the pile fabric.
  • the polyester-based fibers In order for the polyester-based fibers constituting the pile fabric to show an appearance similar to that of natural fur after being processed into the pile fabric, the polyester-based fibers have a crimp satisfying a primary crimp frequency of 3.0 crimps/25 mm or more and 8.0 crimps/25 mm or less and a secondary crimp frequency of 0.0 crimps/25 mm or more and 1.0 crimp/25 mm or less, after the dry heat treatment. If the polyester-based fibers do not exhibit these crimp characteristics after the dry heat treatment at 150°C for 10 minutes, it may not be possible to show a realistic appearance of the pile fabric constituted by the polyester-based fibers having the crimp.
  • a primary crimp means the smallest crimp having the smallest period out of crimps of the fibers
  • a secondary crimp means a crimp being superimposed on a plurality of primary crimps and having a larger period than the primary crimp.
  • FIG. 1 illustrates an example of a primary crimp and a secondary crimp. As illustrated in FIG. 1 , the primary crimp is the smallest crimp having the smallest period out of the crimps of the fibers, and the secondary crimp is a crimp being superimposed on a plurality of primary crimps and having a larger period than the primary crimp.
  • the primary crimp frequency and the percentage of crimp are measured in accordance with JIS L 1015, and the secondary crimp frequency is a value measured and calculated as below.
  • An unopened portion is taken out from staple fibers.
  • the number of crests a of the secondary crimp and the fiber length b of the unopened portion are measured with no load being applied to the unopened portion.
  • As the unopened portion one having a fiber length of 50 mm or more is used.
  • Secondary crimp frequency crimps / 25 mm 25 a crimps / b mm
  • examples of the form of the polyester-based fibers include a filament form, a staple form, and a tow form in which filaments are bundled together, but are not particularly limited to these as long as the polyester-based fibers have a crimp.
  • the polyester-based fibers have the crimped shape 1 satisfying the requirements (1), and the crimped shape 1 satisfying the requirements (1) is changed into the crimped shape 2 satisfying the requirements (2) by the dry heat treatment at 150°C for 10 minutes.
  • the polyester-based fibers can express the crimped shape 2 satisfying the requirements (2) in the polishing at a low temperature of 90°C or more and 160°C or less in pile fabric processing. Therefore, it is possible to obtain an appearance similar to that of natural fur, specifically a napped portion having a gentle wavy shape.
  • polyester-based fibers having a crimp that does not express the crimped shape 2 with the dry heat treatment at 150°C for 10 minutes the polyester-based fibers are hard to express the crimped shape 2 satisfying the requirements (2) through the polishing at a low temperature of 90°C or more and 160°C or less, and it may be difficult to obtain a napped portion having an appearance similar to that of natural fur.
  • the percentage of crimp of the polyester-based fibers is not particularly limited, but is preferably, e.g., 5% or more and 25% or less, and more preferably 8% or more and 15% or less, from the viewpoint of enhancing the processability in a carding machine.
  • the percentage of crimp is preferably 5% or less, and more preferably 3% or less, from the viewpoint of more easily expressing an appearance similar to that of natural fur through the polishing at a low temperature of 90°C or more and 160°C or less in the pile fabric processing.
  • the single fiber fineness of the polyester-based fibers is not particularly limited, but is preferably, e.g., 10 dtex or less, and more preferably 5 dtex or less. If the single fiber fineness is more than 10 dtex, heat tends to be insufficiently transferred in the polishing, and an increase in the number of times of polishing may be required in order to express the crimped shape satisfying the requirements (2). Moreover, the increase in the number of times of polishing may deteriorate soft texture. Furthermore, the single fiber fineness of the polyester-based fibers is not particularly limited, but is preferably, e.g., 1 dtex or more from the viewpoint of handleability of the fibers.
  • the cross-sectional shape of the polyester-based fibers is not particularly limited, but is preferably a flat cross-sectional shape having an ellipticity of 1:2 to 1:7, and more preferably a modified flat cross-sectional shape having irregularities in a long side portion of the flat cross-sectional shape, from the viewpoints of the feel and recovering strength of the pile fabric.
  • the polyester-based fibers are produced by a production method similar to that of usual polyester-based fibers except that the polyester-based fibers are caused to have the crimped shape satisfying the requirements (1) by, in the crimp imparting process 1, imparting the crimped shape satisfying the requirements (2) at a temperature of 130°C or more and 230°C or less on the polyester-based fibers that are not subjected to heat of 150°C or more in the spinning process, and then, in the crimp imparting process 2, crimping the polyester-based fibers at a temperature of 70°C or more and 130°C or less.
  • the polyester-based fibers can be produced by, e.g., firstly melt kneading, using various general kneading machines, the polyester-based resin or the polyester-based resin composition obtained by dry blending the polyester-based resin and the additive agent, pelletizing the polyester-based resin or the polyester-based resin composition, and then melt spinning the resulting pellets.
  • the melt spinning is performed while the temperatures (spinning temperatures) of, e.g., an extruder, a gear pump, and a spinneret are set at 250°C or more and 300°C or less, and the obtained spun yarns are passed through a heated tube, cooled to a temperature of not more than the glass transition point of the polyester-based resin, and wound up at a speed of 50 m/min or more and 4500 m/min or less to obtain spun yarns (undrawn yarns).
  • the temperatures spininning temperatures
  • an extruder e.g., an extruder, a gear pump, and a spinneret are set at 250°C or more and 300°C or less
  • the obtained spun yarns are passed through a heated tube, cooled to a temperature of not more than the glass transition point of the polyester-based resin, and wound up at a speed of 50 m/min or more and 4500 m/min or less to obtain spun yarns (undrawn yarns).
  • the spun yarns can be drawn through hot drawing.
  • the heating means for the hot drawing may be a heating roller, a heat plate, a steam jet apparatus, or a hot water bath, and they can be used in combination as appropriate.
  • the drawing temperature is not particularly limited, but may be, e.g., 50°C or more and 95°C or less.
  • the drawn yarns can be subjected to a heat treatment as needed.
  • the heating means for the heat treatment may be a heating roller, a heat plate, a steam jet apparatus, or a hot water bath, and they can be used in combination as appropriate.
  • the draw ratio is not particularly limited, but may be, e.g., 300% or more and 500% or less, and preferably 350% or more and 450% or less, from the viewpoint of the fiber strength.
  • the draw ratio is calculated by the following formula.
  • Draw ratio % length of drawn yarn / length of undrawn yarn ⁇ 100 %
  • the polyester-based fibers that are not subjected to heat of 150°C or more in the spinning process are not particularly limited as long as they are not subjected to heat of 150°C or more
  • the fibers may be, e.g., undrawn yarns, drawn yarns, or heat treated yarns obtained by subjecting drawn yarns to relaxation heat treatment or stretched heat treatment at less than 150°C, but are preferably drawn yarns or heat treated yarns obtained by subjecting drawn yarns to a heat treatment at less than 150°C from the viewpoint of final mechanical properties of the yarns.
  • the inventors of the present invention found that the polyester-based fibers constituting the pile fabric had the crimped shape satisfying the requirements (2), thereby expressing an appearance similar to that of natural fur, specifically a gentle wavy shape. Moreover, the inventors found the following. In the crimp imparting process 1, the crimped shape satisfying the requirements (2) was imparted at a temperature of 130°C or more and 230°C or less on the polyester-based fibers that were not subjected to heat of 150°C or more in the spinning process, and thus crystals of the polyester-based fibers memorized the crimped shape.
  • crimp imparting process 1 and the crimp imparting process 2 a known crimp imparting apparatus such as a gear crimper, an embossed roll, and a stuffing box crimper may be used as long as it is possible to impart the crimp characteristics described above on the polyester-based fibers.
  • the crimp imparting process 1 is performed by one or more selected from the group consisting of a gear crimper and an embossed roll.
  • the crimp imparting process 2 is performed by a mechanical stuff crimping.
  • the mechanical stuff crimping can be performed by, e.g., a stuffing box crimper.
  • a pile fabric includes the polyester-based fibers in a pile portion.
  • the polyester-based fibers have a crimp having a primary crimp frequency of 3.0 crimps/25 mm or more and 8.0 crimps/25 mm or less and a secondary crimp frequency of 0.0 crimps/25 mm or more and 1.0 crimp/25 mm or less.
  • the pile portion refers to a napped portion of the pile fabric other than a base fabric (also referred to as a "ground structure") portion.
  • the pile fabric includes the polyester-based fibers in an amount of 30% by weight or more, preferably in an amount of 40% by weight or more, and more preferably in an amount of 50% by weight or more with respect to the pile portion as a whole.
  • fibers constituting the pile portion are also referred to as pile fibers.
  • the pile fabric preferably includes a long pile portion and a short pile portion that have different pile lengths, and the difference between the average pile length of the long pile portion and the average pile length of the short pile portion is preferably 2 mm or more, and more preferably 5 mm or more and 50 mm or less.
  • the average pile length is determined by vertically standing fibers constituting the pile portion of the pile fabric such that the fibers are aligned, measuring the length from the roots of the fibers constituting the pile portion (roots on a surface of the pile fabric) to the tip of the pile at 10 sections in each pile portion, and averaging the measured lengths.
  • the polyester-based fibers are preferably included in the short pile portion of the pile fabric, and are more preferably included in an amount of 50% by weight or more in the short pile portion.
  • the pile portion may also include other fibers such as, e.g., modacrylic fibers or polyvinyl chloride-based fibers in addition to the polyester-based fibers.
  • the long pile portion preferably includes modacrylic fibers constituted by an acrylic-based copolymer containing acrylonitrile in an amount of 35% by weight or more and less than 95% by weight.
  • a pile fabric having extremely good texture as well as good recovering strength and voluminousness can be provided by the polyester-based fibers being used in combination with the modacrylic fibers.
  • the acrylic-based copolymer preferably contains another monomer that is copolymerizable with acrylonitrile in an amount of more than 5% by weight and 65% by weight or less, in addition to acrylonitrile.
  • the other monomer though it is not particularly limited, it is preferable to use e.g., at least one monomer selected from the group consisting of vinyl halides, vinylidene halides, and metal salts of sulfonic acid-containing monomers, and it is more preferable to use at least one monomer selected from the group consisting of vinyl chloride, vinylidene chloride, and sodium styrenesulfonate.
  • the pile fabric is produced by using the polyester-based fibers having the crimped shape 1 satisfying the requirements (1) as pile fibers, and performing the polishing at a temperature of 90°C or more and 160°C or less.
  • the napped portion has an appearance similar to that of natural fur, specifically a gentle wavy shape.
  • a pile fabric by producing a pile fabric including the polyester-based fibers in an amount of 30% by weight or more in a pile portion as a whole.
  • the polyester-based fibers are polished at a temperature of 90°C or more and 160°C or less.
  • the pile fabric can be produced by a manufacturing method that is similar to that for a usual pile fabric, except for using at least the polyester-based fibers as pile fibers and performing the polishing at a temperature of 90°C or more and 160°C or less.
  • the polyester-based fibers (having the crimped shape 1 satisfying the requirements (1)) are passed through a carding machine such as a roller carding machine to produce a sliver.
  • the obtained sliver is knitted into a pile fabric by a sliver knitting machine.
  • Pre-polishing and pre-shearing are performed at a temperature of 90°C or more and 160°C or less, then polishing is performed at a temperature of 90°C or more and 160°C or less, and then shearing is performed.
  • the crimped shape of the polyester-based fibers is changed, specifically the crimped shape satisfying the requirements (1) is changed, and the crimped shape satisfying the requirements (2) is expressed by performing the polishing at a temperature of 90°C or more and 160°C or less.
  • the polishing may also be performed multiple times at different temperatures.
  • a back surface (opposite side of the napped portion) of the pile fabric may be coated with a backing resin before the polishing in order to eliminate or reduce pile fiber loss and for tentering.
  • the backing resin it is possible to use an acrylic acid ester-based adhesive or polyurethane-based adhesive.
  • the primary crimp frequency and percentage of crimp were measured in accordance with JIS L 1015.
  • An unopened portion was taken out from staple fibers.
  • the number of crests a of the secondary crimp and the fiber length b of the unopened portion were measured with no load being applied to the unopened portion.
  • As the unopened portion one having a fiber length of 50 mm or more was used.
  • Secondary crimp frequency crimps / 25 mm 25 a crimps / b mm
  • processability in a carding machine was determined to be good; otherwise, processability in a carding machine was determined to be poor.
  • the appearance of a pile fabric was evaluated in accordance with the following criteria. In a case where pile fibers in a napped portion of the pile fabric had an appearance similar to that of natural fur, specifically a crimped shape closely resembling that of natural fox fur shown in FIG. 2 , the appearance was determined to be good; otherwise, the appearance was determined to be poor. Concerning a pile in which plural types of fibers were used, e.g., a step pile, only a portion of the pile in which polyester fibers having a crimp were used was evaluated in accordance with the above criteria.
  • Spinning was performed by a usual spinning machine at a spinning temperature of 290°C and a speed of 320 m/min using polyethylene terephthalate (PET) having an intrinsic viscosity (IV value) of 0.65 and a spinneret with 48 holes having a diameter of 0.4 mm and a circular cross-section.
  • PET polyethylene terephthalate
  • IV value intrinsic viscosity
  • the obtained undrawn yarns were drawn by 375% by a hot roller at 80°C to obtain drawn yarns.
  • Titanium oxide had been added to PET as a delustering agent in an amount of 0.3 parts by weight with respect to 100 parts by weight of PET.
  • the obtained crimped PET fibers were cut to 51 mm to obtain staple fibers for a pile fabric.
  • a sliver was produced by passing 100% by weight of the staple fibers through a roller carding machine.
  • a pile fabric was produced by a sliver knitting machine. Then, pre-polishing and pre-shearing were performed at 120°C to trim a napped portion of the pile fabric to a length of 18 mm, then a back surface of the fabric was back-coated with an acrylic acid ester-based adhesive, and then a tentering treatment was performed. Then, polishing was performed at 160°C three times, at 130°C three times, and at 100°C three times. Thereafter, the napped portion was trimmed through shearing to a length of 20 mm, and thus a pile fabric having a basis weight of about 800 g/m 2 was obtained.
  • Spinning was performed by a usual spinning machine at a spinning temperature of 270°C and a speed of 400 m/min using polyethylene terephthalate (PET) having an intrinsic viscosity (IV value) of 0.65 and a spinneret with 200 holes having a diameter of 0.3 mm and a flat cross-sectional shape.
  • PET polyethylene terephthalate
  • IV value intrinsic viscosity
  • the obtained undrawn yarns were drawn by 310% by a hot roller at 80°C to obtain drawn yarns.
  • Titanium oxide had been added to PET as a delustering agent in an amount of 0.3 parts by weight with respect to 100 parts by weight of PET.
  • a pile fabric was produced in the same manner as in Example 1, except that the obtained crimped PET fibers were used.
  • Spinning was performed by a usual spinning machine at a spinning temperature of 270°C and a speed of 400 m/min using polyethylene terephthalate (PET) having an intrinsic viscosity (IV value) of 0.65 and a spinneret with 200 holes having a diameter of 0.3 mm and a flat cross-sectional shape.
  • PET polyethylene terephthalate
  • IV value intrinsic viscosity
  • the obtained undrawn yarns were drawn by 310% by a hot roller at 80°C to obtain drawn yarns.
  • Titanium oxide had been added to PET as a delustering agent in an amount of 0.3 parts by weight with respect to 100 parts by weight of PET.
  • a pile fabric was produced in the same manner as in Example 1, except that the obtained crimped PET fibers were used.
  • Crimped PET fibers were produced in the same manner as in Example 3.
  • the obtained crimped PET fibers were cut to 51 mm to obtain staple fibers for a pile fabric.
  • a sliver was produced by mixing 50 parts by weight of the staple fibers with 30 parts by weight of modacrylic fibers (resin composition: 50 parts by weight of acrylonitrile, 49.5 parts by weight of vinyl chloride, 0.5 parts by weight of styrenesulfonic acid) having a single fiber fineness of 27 dtex and a cut length of 102 mm and 20 parts by weight of the modacrylic fibers having a single fiber fineness of 12 dtex and a cut length of 78 mm, and passing the mixture through a roller carding machine.
  • a pile fabric was produced by a sliver knitting machine.
  • Crimped PET fibers having a single fiber fineness of 3 dtex were obtained in the same manner as in Example 1, except that drawn yarns were heat treated in a uniform hot-air dryer set at 180°C for one minute, after the drawn yarns were assembled to an appropriate fineness, the yarns were crimped through preheating at 98°C by a stuffing box crimper, and a heat treatment was not performed after the yarns were crimped.
  • a pile fabric was produced in the same manner as in Example 1, except that the obtained crimped PET fibers were used.
  • Spinning was performed by a usual spinning machine at a spinning temperature of 270°C and a speed of 400 m/min using polyethylene terephthalate (PET) having an intrinsic viscosity (IV value) of 0.65 and a spinneret with 200 holes having a diameter of 0.3 mm and a flat cross-sectional shape.
  • PET polyethylene terephthalate
  • IV value intrinsic viscosity
  • the obtained undrawn yarns were drawn by 310% by a hot roller at 80°C to obtain drawn yarns.
  • Titanium oxide had been added to PET as a delustering agent in an amount of 0.3 parts by weight with respect to 100 parts by weight of PET.
  • the obtained crimped PET fibers were cut to 51 mm to obtain staple fibers for a pile fabric.
  • An attempt was made to produce a sliver by passing 100% by weight of the staple fibers through a roller carding machine, but the entanglement between the fibers was loose, and a sliver was not able to be produced.
  • Spinning was performed by a usual spinning machine at a spinning temperature of 270°C and a speed of 400 m/min using polyethylene terephthalate (PET) having an intrinsic viscosity (IV value) of 0.65 and a spinneret with 200 holes having a diameter of 0.3 mm and a flat cross-sectional shape.
  • PET polyethylene terephthalate
  • IV value intrinsic viscosity
  • the obtained undrawn yarns were drawn by 310% by a hot roller at 80°C to obtain drawn yarns.
  • Titanium oxide had been added to PET as a delustering agent in an amount of 0.3 parts by weight with respect to 100 parts by weight of PET.
  • the obtained crimped PET fibers were cut to 51 mm to obtain staple fibers for a pile fabric.
  • An attempt was made to produce a sliver by passing 100% by weight of the staple fibers through a roller carding machine, but the entanglement between the fibers was loose, and a sliver was not able to be produced.
  • Spinning was performed by a usual spinning machine at a spinning temperature of 270°C and a speed of 400 m/min using polyethylene terephthalate (PET) having an intrinsic viscosity (IV value) of 0.65 and a spinneret with 200 holes having a diameter of 0.3 mm and a flat cross-sectional shape. Then, the obtained undrawn yarns were drawn by 310% by a hot roller at 80°C to obtain drawn yarns. Titanium oxide had been added to PET as a delustering agent in an amount of 0.3 parts by weight with respect to 100 parts by weight of PET.
  • PET polyethylene terephthalate
  • IV value intrinsic viscosity
  • the obtained crimped PET fibers were cut to 51 mm to obtain staple fibers for a pile fabric.
  • An attempt was made to produce a sliver by passing 100% by weight of the staple fibers through a roller carding machine, but the entanglement between the fibers was loose, and a sliver was not able to be produced.
  • the primary crimp frequency, percentage of crimp, and secondary crimp frequency of the polyester-based fibers in Examples 1-4 and Comparative examples 1-4 were measured as described above. Moreover, after the crimped PET fibers obtained in Examples 1-4 and Comparative examples 1-4 were subjected to a dry heat treatment at 150°C for 10 minutes, specifically after the crimped PET fibers were allowed to stand still in a hot-air convection dryer set at 150°C for 10 minutes, the primary crimp frequency, percentage of crimp, and secondary crimp frequency of the crimped PET fibers after the dry heat treatment were measured as described above. Furthermore, the appearance of the pile fabric obtained in Examples 1-4 and Comparative example 1 was evaluated as described above. Table 1 below indicates these results.
  • the polyester-based fibers having the crimped shape satisfying the requirements (1) were able to be obtained by, in the crimp imparting process 1, imparting the crimped shape satisfying the requirements (2) at a temperature of 130°C or more and 230°C or less on the polyester-based fibers that were not subjected to heat of 150°C or more in the spinning process before crimping, and then, in the crimp imparting process 2, crimping the polyester-based fibers at a temperature of 70°C or more and 130°C or less.
  • the crimped shape satisfying the requirements (2) was expressed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Knitting Of Fabric (AREA)
  • Woven Fabrics (AREA)
  • Artificial Filaments (AREA)
  • Nonwoven Fabrics (AREA)
  • Multicomponent Fibers (AREA)

Claims (10)

  1. Fibre à base de polyester, comprenant un frisage avec une forme frisée à modifier par un traitement thermique à sec à 150°C pendant 10 minutes,
    dans laquelle la fibre à base de polyester avant le traitement thermique à sec comprend un frisage satisfaisant aux exigences décrites au (1) ci-dessous, et
    dans laquelle la fibre à base de polyester après le traitement thermique à sec comprend un frisage satisfaisant aux exigences décrites au (2) ci-dessous :
    (1) une fréquence de frisage primaire de 5,0 frisures/25 mm ou plus et 30 frisures/25 mm ou moins et une fréquence de frisage secondaire de 1,0 frisure/25 mm ou plus et de 4,0 frisures/25 mm ou moins ;
    (2) une fréquence de frisage primaire de 3,0 frisures/25 mm ou plus et 8,0 frisures/25 mm ou moins et une fréquence de frisage secondaire de 0,0 frisure/25 mm ou plus et de 1,0 frisure/25 mm ou moins ;
    dans laquelle
    le traitement thermique à sec se réfère à un traitement d'application de chaleur en utilisant de l'air sec en tant que milieu,
    un frisage primaire est le frisage le plus petit ayant la période la plus petite parmi les frisures des fibres,
    un frisage secondaire est un frisage qui est superposé sur une pluralité de frisages primaires et ayant une période plus grande que le frisage primaire, et
    la fréquence de frisage primaire et la fréquence de frisage secondaire sont mesurées conformément à la description.
  2. Fibre à base de polyester selon la revendication 1, dans laquelle la fibre à base de polyester a une finesse de fibre unique de 1 dtex ou plus et de 10 dtex ou moins.
  3. Méthode de fabrication d'une fibre à base de polyester, comprenant :
    dans un processus de frisage 1, conférer un frisage satisfaisant aux exigences décrites au (2) ci-dessous à une température de 130°C ou plus et de 230°C ou moins à une fibre à base de polyester qui n'est pas soumise à une chaleur de 150°C ou plus dans un processus de filage avant le frisage ; et
    ensuite, dans un processus de frisage 2, friser la fibre à base de polyester à une température de 70°C ou plus et de 130°C ou moins,
    afin d'obtenir une fibre à base de polyester comprenant un frisage satisfaisant aux exigences décrites au (1) ci-dessous :
    (1) une fréquence de frisage primaire de 5,0 frisures/25 mm ou plus et 30 frisures/25 mm ou moins et une fréquence de frisage secondaire de 1,0 frisure/25 mm ou plus et de 4,0 frisures/25 mm ou moins ; et
    (2) une fréquence de frisage primaire de 3,0 frisures/25 mm ou plus et 8 frisures/25 mm ou moins et une fréquence de frisage secondaire de 0,0 frisure/25 mm ou plus et de 1,0 frisure/25 mm ou moins ;
    dans laquelle
    un frisage primaire est le frisage le plus petit ayant la période la plus petite parmi les frisures des fibres,
    un frisage secondaire est un frisage qui est superposé sur une pluralité de frisages primaires et ayant une période plus grande que le frisage primaire, et
    la fréquence de frisage primaire et la fréquence de frisage secondaire sont mesurées conformément à la description.
  4. Méthode selon la revendication 3, dans laquelle le processus de frisage 1 est réalisé par un ou plusieurs éléments choisis dans le groupe constitué par un friseur à engrenage et un rouleau gaufré.
  5. Méthode selon la revendication 3 ou 4, dans laquelle le processus de frisage 2 est réalisé par frisage mécanique.
  6. Méthode de fabrication d'une étoffe à poils, comprenant la production d'une étoffe à poils comprenant la fibre à base de polyester selon la revendication 1 ou 2 en une quantité de 30 % en poids ou plus par rapport à la partie entière de poils.
  7. Méthode selon la revendication 6, dans laquelle la fibre à base de polyester est polie à une température de 90°C ou plus et de 160°C ou moins et moyennant quoi la fibre à base de polyester comprend un frisage ayant une fréquence de frisage primaire de 3,0 frisures/25 mm ou plus et 8,0 frisures/25 mm ou moins et une fréquence de frisage secondaire de 0,0 frisure/25 mm ou plus et de 1,0 frisure/25 mm ou moins.
  8. Méthode selon la revendication 6 ou 7,
    dans laquelle l'étoffe à poils comprend une partie à poils longs et une partie à poils courts, et
    la différence entre la longueur moyenne des poils de la partie à poils longs et la longueur moyenne des poils de la partie à poils courts est de 2 mm ou plus,
    dans laquelle la longueur moyenne des poils est mesurée conformément à la description.
  9. Méthode selon la revendication 8, dans laquelle la partie à poils courts comprend la fibre à base de polyester.
  10. Méthode selon la revendication 8 ou 9, dans laquelle la partie poils longs comprend une fibre modacrylique constituée par un copolymère à base d'acrylique comprenant de l'acrylonitrile en une quantité de 35 % en poids ou plus et de moins de 95 % en poids.
EP20765824.6A 2019-03-01 2020-01-16 Fibre frisée à base de polyester, procédé de fabrication d'une telle fibre et procédé de fabrication d'étoffe à poils Active EP3933080B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019037370 2019-03-01
PCT/JP2020/001261 WO2020179238A1 (fr) 2019-03-01 2020-01-16 Fibre frisée à base de polyester, procédé de fabrication de celle-ci, étoffe à poils comprenant celle-ci et procédé de fabrication d'étoffe à poils

Publications (3)

Publication Number Publication Date
EP3933080A1 EP3933080A1 (fr) 2022-01-05
EP3933080A4 EP3933080A4 (fr) 2023-01-11
EP3933080B1 true EP3933080B1 (fr) 2025-10-22

Family

ID=72336960

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20765824.6A Active EP3933080B1 (fr) 2019-03-01 2020-01-16 Fibre frisée à base de polyester, procédé de fabrication d'une telle fibre et procédé de fabrication d'étoffe à poils

Country Status (5)

Country Link
EP (1) EP3933080B1 (fr)
JP (1) JP7498697B2 (fr)
CN (1) CN113474500B (fr)
TW (1) TWI839467B (fr)
WO (1) WO2020179238A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2023139948A1 (fr) * 2022-01-21 2023-07-27
CN114762544B (zh) * 2022-04-19 2023-08-01 高梵(浙江)信息技术有限公司 一种具有保温功能的羽绒服及其制备装置
CN118880505A (zh) * 2024-07-08 2024-11-01 绍兴裕辰新材料有限公司 聚苯硫醚纤维及其制备方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1237218A (en) * 1967-11-20 1971-06-30 Ici Ltd Improved polyester fibres and tows
GB1369851A (en) * 1971-10-06 1974-10-09 Teijin Ltd Polyester fibres
JPS5243931B2 (fr) * 1971-10-18 1977-11-02
JPS5522575B1 (fr) * 1971-12-09 1980-06-18
DE3164798D1 (en) * 1980-02-18 1984-08-23 Ici Plc Gear crimped jaspe yarns and processes for their manufacture
JPS60162857A (ja) 1984-02-03 1985-08-24 株式会社クラレ 獣毛調ハイパイル布帛の製造方法
JPH0641649B2 (ja) * 1984-05-09 1994-06-01 東レ株式会社 人工毛皮綿毛用ポリエステル繊維およびその製造法
JPH05140860A (ja) 1991-11-19 1993-06-08 Kuraray Co Ltd 立毛布帛の製造方法
JP3533827B2 (ja) * 1996-05-31 2004-05-31 鐘淵化学工業株式会社 パイル製品及びその製造方法、並びに、それに用いるパイル用収縮性繊維及びパイル用繊維組成物
CN1161507C (zh) * 1996-05-31 2004-08-11 钟渊化学工业株式会社 用于制备绒毛制品的梳条、绒毛制品及其制备方法
JPH11107081A (ja) * 1997-10-02 1999-04-20 Asahi Chem Ind Co Ltd 複合加工糸の製法
JP2001348741A (ja) * 2000-06-07 2001-12-21 Nippon Ester Co Ltd 嵩高ポリエステル繊維の製造方法
US6877197B1 (en) * 2003-12-08 2005-04-12 Invista North America S.A.R.L. Process for treating a polyester bicomponent fiber
JP5105871B2 (ja) * 2004-05-19 2012-12-26 株式会社カネカ 人工毛髪用収縮性繊維
EP1988201A1 (fr) * 2006-02-06 2008-11-05 Teijin Fibers Limited Procédé de production de fibre polyester destinée à des nontissés aéroliques
JP4943771B2 (ja) 2006-08-21 2012-05-30 帝人ファイバー株式会社 ポリエステル短繊維
US8967155B2 (en) * 2011-11-03 2015-03-03 Celanese Acetate Llc Products of high denier per filament and low total denier tow bands
JP2017517650A (ja) * 2014-06-13 2017-06-29 インヴィスタ テクノロジーズ エスアエルエルＩＮＶＩＳＴＡ ＴＥＣＨＮＯＬＯＧＩＥＳ Ｓ．ａ．ｒ．ｌ． 向上された嵩及び捲縮テークアップを有する機械捲縮繊維トウ
CN107208321B (zh) * 2015-01-26 2020-02-28 东丽株式会社 聚酯中空纤维球状体
WO2018037706A1 (fr) * 2016-08-23 2018-03-01 デンカ株式会社 Fibres pour cheveux artificiels

Also Published As

Publication number Publication date
TWI839467B (zh) 2024-04-21
WO2020179238A1 (fr) 2020-09-10
EP3933080A1 (fr) 2022-01-05
CN113474500B (zh) 2023-10-27
JP7498697B2 (ja) 2024-06-12
JPWO2020179238A1 (fr) 2020-09-10
TW202104697A (zh) 2021-02-01
EP3933080A4 (fr) 2023-01-11
CN113474500A (zh) 2021-10-01

Similar Documents

Publication Publication Date Title
EP3933080B1 (fr) Fibre frisée à base de polyester, procédé de fabrication d'une telle fibre et procédé de fabrication d'étoffe à poils
MXPA04012282A (es) Fibras de poli(dicarboxilato de trimetileno), su fabricacion y su uso.
KR101989959B1 (ko) 인공 모발 및 이를 이용한 가발
EP3822398A1 (fr) Fibre à base de polyester et tissu à poils l'utilisant et procédés respectif pour produire ces produits
EP4083285B1 (fr) Tissu à poils et son procédé de fabrication
JPH09291472A (ja) 太細を有するポリエステル繊維および織編物
JP4506130B2 (ja) 先染め糸およびその製造方法
JP3501012B2 (ja) 複合糸およびその複合糸からなる織編物
JP3318572B2 (ja) 旋回部を有するポリエステル多葉断面マルチフィラメント糸及びその製造方法
JP3618496B2 (ja) マルチフィラメント
CN101490323B (zh) 假捻加工纱及其制造方法
JPS59192727A (ja) モヘア調ポリエステル繊維の製造法
JP2007231473A (ja) 混繊複合糸及びその製造法
JP3538065B2 (ja) 複合仮撚加工糸の製造方法
JPH06287825A (ja) 疑似撚加工糸およびその製造方法
JP2005068616A (ja) 伸縮性コンパクト紡績糸の製造方法及び伸縮性コンパクト紡績糸
JP2003227041A (ja) 異収縮型ポリエステル系混繊糸
JPH0345735A (ja) 混繊交絡糸
KR20160101711A (ko) 복합 가연사 및 이의 제조방법
JP2003003325A (ja) ポリエステル繊維およびそれを用いた立毛布帛
JPH09302527A (ja) ポリエステル潜在捲縮糸
JP2006328589A (ja) 減量加工法
JP2002302834A (ja) ポリエステル系仮撚混繊糸の製造方法
JP2006328588A (ja) 減量加工方法
JP2001159043A (ja) 特殊複合仮撚加工糸およびその製造方法

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210928

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20221213

RIC1 Information provided on ipc code assigned before grant

Ipc: D04B 1/16 20060101ALI20221207BHEP

Ipc: D04B 1/04 20060101ALI20221207BHEP

Ipc: D03D 27/00 20060101ALI20221207BHEP

Ipc: D02G 1/14 20060101ALI20221207BHEP

Ipc: D02G 1/12 20060101ALI20221207BHEP

Ipc: D02G 3/24 20060101AFI20221207BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20250417

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTC Intention to grant announced (deleted)
INTG Intention to grant announced

Effective date: 20250721

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

P01 Opt-out of the competence of the unified patent court (upc) registered

Free format text: CASE NUMBER: UPC_APP_6529_3933080/2025

Effective date: 20250910

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: CH

Ref legal event code: F10

Free format text: ST27 STATUS EVENT CODE: U-0-0-F10-F00 (AS PROVIDED BY THE NATIONAL OFFICE)

Effective date: 20251022

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602020060865

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20251022

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251022

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251022

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20260122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251022

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251022

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251022

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20260122

Year of fee payment: 7

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1849197

Country of ref document: AT

Kind code of ref document: T

Effective date: 20251022

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20260122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20260222

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20260126

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20260223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251022

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251022