WO2023139948A1 - Cheveux artificiels et procédé de fabrication de cheveux artificiels - Google Patents

Cheveux artificiels et procédé de fabrication de cheveux artificiels Download PDF

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Publication number
WO2023139948A1
WO2023139948A1 PCT/JP2022/044895 JP2022044895W WO2023139948A1 WO 2023139948 A1 WO2023139948 A1 WO 2023139948A1 JP 2022044895 W JP2022044895 W JP 2022044895W WO 2023139948 A1 WO2023139948 A1 WO 2023139948A1
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WO
WIPO (PCT)
Prior art keywords
crimp
artificial hair
small
less
fiber
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PCT/JP2022/044895
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English (en)
Japanese (ja)
Inventor
亜貴 鹿野
Original Assignee
株式会社カネカ
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Filing date
Publication date
Application filed by 株式会社カネカ filed Critical 株式会社カネカ
Publication of WO2023139948A1 publication Critical patent/WO2023139948A1/fr

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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G3/00—Wigs
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/28—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/40—Modacrylic fibres, i.e. containing 35 to 85% acrylonitrile
    • 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
    • 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
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers

Definitions

  • the present invention relates to artificial hair and a method for producing artificial hair.
  • One aspect of the present invention for solving the above problems is an artificial hair having a fiber bundle having a large crimped portion with a minimum pitch of 1 mm or more and 7 mm or less, and the large crimped portion includes a small crimped portion having a pitch smaller than that of the large crimped portion near one crest.
  • pitch refers to the distance between adjacent peaks or the distance between adjacent valleys. The same shall apply hereinafter.
  • neighborhood refers to a range within 1/4 of the minimum pitch of the large crimped portion.
  • the small crimped portions are provided in the vicinity of the crests of the large crimped portions, the small crimped portions are easily entangled with each other, the volume when braided is easily maintained, and the end of the hair is well knitted.
  • a preferable aspect is that the minimum pitch of the large crimped portion is 3 mm or less.
  • a preferable aspect is that the fiber bundle has a bending degree of 1.2 or more and 1.3 or less.
  • the “degree of bending” here refers to the ratio of the total length of the fiber with crimps to the length of the fiber as a whole, ignoring crimps, in the extending direction. That is, the “curvature degree” refers to the ratio of the maximum length of the stretched fiber to the natural length.
  • a preferable aspect is that the fiber bundle has an average protruding hair rate of 23% or less in a portion 10 cm from the hair tip when braided.
  • protruding hair refers to a state in which short fibers protrude from the surface of the fiber bundle as shown in FIG. That is, the “percentage of protruding hair” is an index indicating how much protruding hair is present in a fiber bundle when braided, and refers to the proportion of protruding hair in the whole when classified into bulk where the percentage of transmitted light is less than 50% when irradiated with light, and protruding hair where 50% or more.
  • the fiber bundle is composed of at least one raw material fiber from the group consisting of acrylic fiber, polyvinyl chloride fiber, polypropylene fiber, and polyethylene terephthalate fiber.
  • the fiber bundle is composed of modacrylic fibers.
  • One aspect of the present invention is a method for producing artificial hair, comprising a small crimp imparting step of forming in-process fibers by imparting small crimped portions in a small crimp imparting unit that heats raw material fibers, and a large crimp imparting step of imparting large crimps to the in-process fibers in a large crimp imparting unit heated to the in-process fibers, and in the large crimp imparting step, heating is performed at a temperature lower than that of the small crimp imparting step.
  • a preferred aspect is that the step of applying small crimps is performed before the step of applying large crimps.
  • both the small crimp-applying portion and the large crimp-applying portion are gear crimps, and the difference in total tooth depth is 1 mm or more.
  • Total tooth height here refers to the distance from the tooth bottom to the tooth tip.
  • both the small crimping portion and the large crimping portion are gear crimps
  • the total gear tooth depth of the large crimping portion is 3.0 mm or less
  • the difference between the gear tooth depths of the small crimping portion and the large crimping portion is less than 3.0 mm.
  • a preferred aspect is that the ratio of the volume when braiding the fibers having the same weight as the predetermined weight after the large-size crimping process to the volume when braiding the raw material fibers of a predetermined weight is 115% or more.
  • FIG. 1 is an explanatory diagram of the artificial hair of the first embodiment of the present invention, where (a) is a perspective view schematically showing the artificial hair, (b) is a side view of area A in (a), and (c) is a side view of area B in (b).
  • FIG. 2 is a side view schematically showing a manufacturing apparatus suitable for manufacturing the artificial hair of FIG. 1; It is explanatory drawing at the time of measuring a volume increase rate (bulk) and a bending degree, (a) is a perspective view which shows the state which put the fiber on the horizontal surface, (b) is sectional drawing of (a).
  • FIG. 10 is an explanatory diagram of a protruding hair rate
  • the artificial hair 1 of the first embodiment of the present invention is artificial hair for braiding (BRAID), and is preferably used mainly for braiding.
  • the artificial hair 1 has a fiber bundle 2 in which a plurality of fibers 5 are bundled, as shown in FIG. 1(a).
  • the fiber bundle 2 extends in a predetermined bundle shape, and has a large crimped portion 10 extending in a wavy shape in the longitudinal direction and having amplitude in a direction crossing the longitudinal direction.
  • the large crimped portion 10 has first peaks 15 and first valleys 16 that are regularly formed repeatedly.
  • the minimum pitch of the large crimped portion 10 (the distance D1 between the adjacent first peaks 15, 15 or the distance D2 between the adjacent first valleys 16, 16) is preferably 1 mm or more, more preferably 1.5 mm or more, and even more preferably 1.75 mm or more.
  • the minimum pitch of the large crimped portion 10 is preferably 7 mm or less, more preferably 3.5 mm or less, even more preferably 3 mm or less, and particularly preferably 2.5 mm or less.
  • the minimum amplitude of the large crimped portion 10 (the length L1 from the bottom of the first valley portion 16 to the top of the first peak portion 15) is preferably 0.30 mm or more, more preferably 0.38 mm or more.
  • the minimum amplitude of the large crimped portion 10 (the length L1 from the bottom of the first valley portion 16 to the top of the first peak portion 15) is preferably less than 7 mm, more preferably 4 mm or less, even more preferably 2 mm or less, particularly preferably 1.40 mm or less, and particularly preferably 0.49 mm or less.
  • the large crimped portion 10 has a small crimped portion 11 along the entire longitudinal direction.
  • the small crimped portion 11 is a crimp provided over the entire large crimped portion 10, and has a smaller amplitude and period than the large crimped portion 10, as shown in FIG. 1(c).
  • the small crimped portion 11 has a generally regular second peak portion 17 and a second valley portion 18 that are repeatedly formed.
  • the minimum pitch of the small crimped portions 11 (the distance D3 between the adjacent second peaks 17, 17 or the distance D4 between the adjacent second valleys 18, 18) is preferably smaller than the minimum pitch of the large crimped portions 10.
  • the minimum pitch of the small crimped portions 11 is preferably 1.0 mm or more.
  • the minimum pitch of the small crimped portions 11 is preferably 7 mm or less, more preferably 3.5 mm or less, even more preferably 3 mm or less, and particularly preferably 2.5 mm or less.
  • the minimum amplitude of the small crimped portion 11 (the length L2 from the bottom of the second valley portion 18 to the top of the second peak portion 17) is preferably smaller than the minimum amplitude of the large crimped portion 10.
  • the minimum amplitude of the small crimped portion 11 (the length L2 from the bottom of the second valley portion 18 to the top of the second peak portion 17) is preferably greater than 0 mm, preferably 0.30 mm or more, and more preferably 0.38 mm or more.
  • the minimum amplitude of the small crimped portion 11 is preferably less than 7 mm, more preferably 4 mm or less, even more preferably 2 mm or less, particularly preferably 1.40 mm or less, and particularly preferably 0.49 mm or less.
  • the fibers 5 of the fiber bundle 2 are preferably composed of at least one type of raw material fiber selected from the group consisting of acrylic fiber, polyvinyl chloride fiber, polypropylene fiber, and polyethylene terephthalate fiber, and more preferably modacrylic fiber.
  • the cross-sectional shape of the fiber 5 is not particularly limited, and may be, for example, circular, Y-shaped, H-shaped, U-shaped, C-shaped, X-shaped, or flat.
  • the manufacturing device 30 is a crimp forming device that forms the crimped portions 10 and 11 on the raw material fibers to form the fiber bundle 2, and as shown in FIG.
  • the small crimp imparting portion 31 is a gear crimp and is composed of a pair of first gear portions 35a and 35b that mesh with each other.
  • the first gear portions 35a and 35b preferably have a pitch S1 of 1.0 mm or more and 4.0 mm or less.
  • the total tooth depth T1 of the first gear portions 35a and 35b is preferably greater than 0 mm, more preferably 1.0 mm or more.
  • the total tooth depth T1 of the first gear portions 35a and 35b is preferably less than 7 mm, more preferably 4.0 mm or less, even more preferably less than 3.0 mm, and particularly preferably 2 mm or less.
  • the large-sized crimp imparting portion 32 is a gear crimp, and is composed of a pair of second gear portions 36a and 36b that mesh with each other.
  • the second gear portions 36a and 36b are gears in which the total tooth depth T2 is larger than the total tooth depth T1 of the first gear portions 35a and 35b.
  • the pitch S2 of the second gear portions 36a and 36b is preferably 1 mm or more, more preferably 1.5 mm or more, and even more preferably 1.75 mm or more.
  • the pitch S2 of the second gear portions 36a and 36b is preferably 7.0 mm or less, more preferably 3 mm or less, and even more preferably 2.5 mm or less.
  • the total tooth depth T2 of the second gear portions 36a and 36b is preferably 1 mm or more and 7 mm or less, and more preferably 4 mm or less.
  • the difference between the total tooth depth T2 of the second gear portions 36a and 36b and the total tooth depth T1 of the first gear portions 35a and 35b is preferably 1 mm or more and 4 mm or less, more preferably 2.5 mm or less, and even more preferably 1.5 mm or less.
  • the conveying roller section 33 is a section that conveys raw material fibers between the large crimp applying section 32 and the small crimp applying section 31 at a predetermined speed.
  • a bundle of raw fibers (hereinafter also referred to as a raw fiber bundle) is passed through a small crimp imparting unit 31 heated by a conveying roller unit 33 to impart small crimps 11 to form an in-process fiber bundle (small crimp imparting step).
  • the heating temperature (the temperature of the first gear portions 35a and 35b) in the small crimp applying portion 31 is preferably 95°C or higher and 100°C or lower. It is preferable that the passing speed in the small-sized crimp imparting section 31 is 0.5 m/min or more and 8.0 m/min or less.
  • the in-process fiber bundle is passed through a large crimp applying unit 32 heated by a conveying roller unit 33 to provide a large crimp portion 10 to form a fiber bundle 2 (large crimp applying step).
  • the in-process fiber bundle is heated at a temperature lower than that in the small-size crimping step. That is, the heating temperature (the temperature of the second gear portions 36a and 36b) in the large crimp imparting portion 32 is lower than the heating temperature (the temperature of the first gear portions 35a and 35b) in the small crimp imparting portion 31, and from the viewpoint of maintaining the shape of the small crimp portion 11, it is preferably 80°C or higher and 90°C or lower. It is preferable that the passing speed in the large-sized crimp imparting section 32 is 0.5 m/min or more and 8.0 m/min or less. The passing speed in the small crimping section 31 and the passing speed in the large crimping section 32 may be the same or different.
  • the ratio of the length of the fiber bundle 2 to the length of the raw material fiber bundle is preferably 1.2 or more and 1.3 or less, more preferably 1.23 or more and 1.25 or less.
  • the product of width and thickness at a portion 10 cm from the tip when the fiber bundle 2 is braided is preferably 65% or more, more preferably 115% or more, and further preferably 117% or more of the product of width and thickness when the raw material fiber bundle is braided.
  • the product of width and thickness at a portion 10 cm from the tip when the fiber bundle 2 is braided is preferably 200% or less, more preferably 150% or less, and further preferably 148% or less of the product of width and thickness when the raw material fiber bundle is braided.
  • the bulk of the fiber bundle 2 is preferably 180% or more, more preferably 200% or more, and even more preferably 250% or more of the bulk of the starting fiber bundle of the same weight.
  • the bulk of the fiber bundle 2 is preferably 520% or less, more preferably 500% or less, and even more preferably 425% or less of the bulk of the starting fiber bundle of the same weight. As shown in FIG.
  • the artificial hair 1 has an arithmetic mean flyaway rate (FLYAWAY) per 1 cm 3 of the fiber bundle 2 at a distance of 10 cm from the tip of the fiber bundle 2 when the fiber bundle 2 is braided as shown in FIG.
  • the arithmetic average protruding hair rate (FLYAWAY) can be, for example, the arithmetic average value of 10 measurements.
  • the adjacent small crimped portions 11, 11 are close to each other in the vicinity of the first peak portion 15 of one of the large crimped portions 10, the small crimped portions 11, 11 are easily entangled with each other, the volume of the braid is easily maintained, and the end of the hair is well knitted.
  • the step of applying large crimps is carried out after the step of applying small crimps, and in the step of applying large crimps, the in-process fibers are heated at a temperature lower than that of the step of applying small crimps, so that both the volume of the braid and the good finish of the ends of the hair can be achieved.
  • the small crimp applying section 31 has a pair of first gear sections 35a and 35b, but the present invention is not limited to this.
  • the small crimp imparting portion 31 may have a plurality of pairs of first gear portions 35a and 35b.
  • the large-sized crimp imparting section 32 has a pair of second gear sections 36a and 36b, but the present invention is not limited to this.
  • the large crimping section 32 may have a plurality of pairs of second gear sections 36a and 36b.
  • the two types of crimping portions 31 and 32 having different sizes of gear portions form the two types of large and small crimped portions 10 and 11, but the present invention is not limited to this.
  • Three or more types of crimped portions may be formed by three or more types of crimp imparting portions 31 and 32 having gear portions of different sizes.
  • a plurality of raw fibers are bundled into a raw fiber bundle, which is passed through the crimp imparting portions 31 and 32 to impart the crimped portions 10 and 11 to the raw fiber bundle, but the present invention is not limited to this.
  • the fiber bundle 2 may be formed by passing the raw material fibers one by one through the crimping portions 31 and 32 without bundling them to impart the crimped portions 10 and 11 to the raw material fibers.
  • the crimped portions 10 and 11 are formed over the entire longitudinal direction of the fiber bundle 2, but the present invention is not limited to this.
  • the crimped portions 10 and 11 may be formed only on part of the fiber bundle 2 in the longitudinal direction.
  • the small crimped portion 11 is formed over the entire large crimped portion 10, but the present invention is not limited to this.
  • the small crimped portion 11 may be formed only in part of the large crimped portion 10 .
  • each constituent member can be freely replaced or added between the embodiments.
  • Example 1 Modacrylic fiber was used as the raw material fiber, and the raw material fiber bundle was passed through a first gear portion having a total tooth height of 1.5 mm under the conditions of a constant pressure, a set temperature of 140 ° C., a gear temperature of 95 ° C. to 100 ° C., and a passing speed of 0.5 m / min to 8.0 m / min. After that, the pressure was kept constant, and the set temperature was 120° C., the gear temperature was 80° C. to 90° C., and the passing speed was 0.5 m/min to 8.0 m/min. The fiber bundle thus obtained was designated as Example 1.
  • Example 2 Example 2 was obtained in the same manner as in Example 1, except that polyvinyl chloride fibers were used as raw material fibers.
  • Example 3 was prepared in the same manner as in Example 1, except that the total tooth depth size of the second gear portion was 3.0 mm.
  • Example 4 was prepared in the same manner as in Example 1, except that the total tooth depth size of the first gear portion was 4.0 mm, and the size of the second gear portion was 7.0 mm.
  • Example 1 In Example 1, the first gear portion was not used, only the second gear portion was used, and the crimp portion was formed with the total tooth depth size of the second gear portion being 1.5 mm.
  • Comparative Example 2 Comparative Example 2 was prepared in the same manner as in Comparative Example 1, except that the total tooth depth size of the second gear portion was 2.5 mm.
  • Comparative Example 3 Comparative Example 3 was prepared in the same manner as in Comparative Example 1, except that the total tooth depth size of the second gear portion was 3.0 mm.
  • Comparative Example 4 was prepared in the same manner as in Comparative Example 1, except that the total tooth depth size of the second gear portion was set to 7.0 mm.
  • Comparative Example 5 Comparative Example 5 was prepared in the same manner as in Comparative Example 2, except that polyvinyl chloride fibers were used as raw material fibers.
  • volume increase rate measurement As shown in FIG. 3, the fiber bundles of Examples 1 to 4 and Comparative Examples 1 to 5 were cut into pieces having a length of 60 cm and a weight of 70 g. Similarly, each raw fiber bundle is cut into pieces having a length of 60 cm and a weight of 70 g, and the volume is measured when the bundle is placed on a horizontal surface. Then, the ratio of the volume of the fiber bundles of Examples 1 to 4 and Comparative Examples 1 to 5 to the volume of each raw material fiber bundle was calculated as the volume increase rate (volume). That is, the volume increase rate (bulk) is the rate of change in volume before and after crimping. Further, as shown in FIG.
  • the fiber bundles of Examples 1 to 4 and Comparative Examples 1 to 5 were braided, and the width and thickness of the 10 cm portion from the tip was measured. Similarly, each raw material fiber bundle was braided, and the width and thickness of the portion 10 cm from the tip at that time were measured. Then, the ratio of the product of the width and thickness of the fiber bundles of Examples 1 to 4 and Comparative Examples 1 to 5 to the product of the width and thickness of each raw material fiber bundle was calculated as the volume increase rate (braid). That is, the volume increase rate (braid) is the cross-sectional area change rate of each raw material fiber bundle and the fiber bundles of Examples 1 to 4 and Comparative Examples 1 to 5 at the time of braiding.
  • FA rate measurement Using a hair bundle volume measuring device (manufactured by BOSSA NOVA Vision, product name: BOLERO), the flyaway hair (FLYAWAY) rate (hereinafter also referred to as FA rate) was measured with a threshold of 50%.
  • the fiber bundles of Examples 1 to 4 and Comparative Examples 1 to 5 were braided into a braid, and the portion from the tip of the hair at that time to 10 cm was irradiated with light, and the portion with a transmittance of less than 50% was classified as bulk (Bulk), and the portion with 50% or more was classified as flyaway hair (FLYAWAY), and the ratio of flyaway hair to the whole was measured.
  • Example preparation> fibers (single yarns) were arbitrarily extracted, cut to have a natural length of 5 cm, and five fibers were pasted on a mount at intervals of 5 mm. photograph Observation and photographing were performed with a one-shot 3D shape measuring machine (manufactured by Keyence).
  • Table 1 shows the measurement results of Examples 1 to 4 and Comparative Examples 1 to 5.
  • Example 1 Comparing Example 1 and Example 2, in which the types of raw fibers are different, in Example 1, in which the modacrylic fiber is used as the raw material fiber, the volume increase rate (bulk), the volume increase rate (braid), and the degree of bending are increased, and the FA ratio is about the same. From this, it was found that the use of modacrylic fiber is superior to the use of PVC fiber as the raw material fiber in terms of volume.
  • Example 4 in which the total tooth size of the second gear portion is large and the difference between the first gear portion and the second gear portion is large, the total tooth height size of the second gear portion is smaller than in Examples 1 and 3, in which the difference between the first gear portion and the second gear portion is small.
  • the volume increase rate (braid) decreases as the total tooth size of the second gear portion increases, and the total tooth size of the second gear portion is 2.5 mm ⁇ 3.0 mm. The volume increase rate (braid) greatly decreased.
  • the tendencies differed between Examples 1 and 3 and Comparative Examples 2 and 3 in the range of the total tooth height size of the second gear portion from 2.5 mm to 3.0 mm. From this, it was suggested that the volume increase rate (braid) depends on the small crimp portion by the first gear portion. In addition, from the viewpoint of increasing the volume when braiding, it is preferable that the size of the second gear portion is 3.0 mm or less and the difference in total tooth height between the first gear portion and the second gear portion is less than 3.0 mm.
  • the volume was increased and the FA rate could be reduced by crimping twice with two types of gear portions having different total tooth depth sizes.
  • the use of modacrylic fiber was found to be superior to the use of PVC fiber as the raw material fiber. It was suggested that the volume increase rate (bulk) depends on the large crimped portion by the second gear portion. It was suggested that the volume increase rate (braid) depends on the small crimp part by the first gear part. It was found that when crimping was performed twice, the FA ratio decreased in conjunction with an increase in the degree of bending.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)

Abstract

La présente invention concerne des cheveux artificiels permettant d'obtenir à la fois un meilleur volume lors du tressage et des arrêts de tresse plus favorables au niveau des pointes des cheveux par rapport à l'état de la technique ; et un procédé de fabrication des cheveux artificiels.　La présente invention comprend un faisceau de fibres comportant de grandes parties de frisure à pas minimal compris entre 1 et 7 mm, et les grandes parties de frisure comprennent de petites parties de frisure à proximité d'une section de pic des grandes parties, les petites parties de frisure présentant un pas plus petit que le pas des grandes parties de frisure. Cette configuration permet de faciliter l'enchevêtrement des petites parties de frisure les unes avec les autres, et de rendre possible l'obtention à la fois d'un bon volume lors du tressage et d'arrêts de tresse plus favorables au niveau des pointes des cheveux.
PCT/JP2022/044895 2022-01-21 2022-12-06 Cheveux artificiels et procédé de fabrication de cheveux artificiels WO2023139948A1 (fr)

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JP2022008035 2022-01-21

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09302513A (ja) * 1996-05-15 1997-11-25 Kanegafuchi Chem Ind Co Ltd 人工毛髪用捲縮繊維の製造方法
JP2008045248A (ja) * 2006-08-21 2008-02-28 Solotex Corp ポリエステル短繊維
WO2010119758A1 (fr) * 2009-04-17 2010-10-21 電気化学工業株式会社 Fibre capillaire synthétique, son utilisation et son procédé de fabrication
WO2020179238A1 (fr) * 2019-03-01 2020-09-10 株式会社カネカ 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
US20200397079A1 (en) * 2018-01-16 2020-12-24 Yg Chem Co., Ltd. Continuous strand of filaments having gradient-length characteristic implemented by kinky texture and spiral rotational twist, and manufacturing method therefor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09302513A (ja) * 1996-05-15 1997-11-25 Kanegafuchi Chem Ind Co Ltd 人工毛髪用捲縮繊維の製造方法
JP2008045248A (ja) * 2006-08-21 2008-02-28 Solotex Corp ポリエステル短繊維
WO2010119758A1 (fr) * 2009-04-17 2010-10-21 電気化学工業株式会社 Fibre capillaire synthétique, son utilisation et son procédé de fabrication
US20200397079A1 (en) * 2018-01-16 2020-12-24 Yg Chem Co., Ltd. Continuous strand of filaments having gradient-length characteristic implemented by kinky texture and spiral rotational twist, and manufacturing method therefor
WO2020179238A1 (fr) * 2019-03-01 2020-09-10 株式会社カネカ 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

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