EP4303347A4 - CORE-SHELL COMPOSITE FIBER, MANUFACTURING PROCESS AND FIBER STRUCTURE - Google Patents

CORE-SHELL COMPOSITE FIBER, MANUFACTURING PROCESS AND FIBER STRUCTURE

Info

Publication number
EP4303347A4
EP4303347A4 EP22763206.4A EP22763206A EP4303347A4 EP 4303347 A4 EP4303347 A4 EP 4303347A4 EP 22763206 A EP22763206 A EP 22763206A EP 4303347 A4 EP4303347 A4 EP 4303347A4
Authority
EP
European Patent Office
Prior art keywords
fiber
core
manufacturing process
shell composite
composite fiber
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.)
Pending
Application number
EP22763206.4A
Other languages
German (de)
French (fr)
Other versions
EP4303347A1 (en
Inventor
Kota Togii
Shunichi Hasegawa
Yuji Ogino
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.)
Kuraray Co Ltd
Original Assignee
Kuraray Co Ltd
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 Kuraray Co Ltd filed Critical Kuraray Co Ltd
Publication of EP4303347A1 publication Critical patent/EP4303347A1/en
Publication of EP4303347A4 publication Critical patent/EP4303347A4/en
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/082—Melt spinning methods of mixed yarn
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/084—Heating filaments, threads or the like, leaving the spinnerettes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; Spinnerette packs therefor
    • D01D5/34—Core-skin structure; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D7/00—Collecting the newly-spun products
    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • 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
    • 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]
    • D10B2331/042—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] aromatic polyesters, e.g. vectran
    • 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
    • D10B2401/00—Physical properties
    • D10B2401/06—Load-responsive characteristics
    • D10B2401/063—Load-responsive characteristics high strength

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Multicomponent Fibers (AREA)
EP22763206.4A 2021-03-04 2022-02-28 CORE-SHELL COMPOSITE FIBER, MANUFACTURING PROCESS AND FIBER STRUCTURE Pending EP4303347A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021034707 2021-03-04
PCT/JP2022/008341 WO2022186150A1 (en) 2021-03-04 2022-02-28 Core-sheath composite fiber, production method therefor, and fiber structure

Publications (2)

Publication Number Publication Date
EP4303347A1 EP4303347A1 (en) 2024-01-10
EP4303347A4 true EP4303347A4 (en) 2025-11-26

Family

ID=83153743

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22763206.4A Pending EP4303347A4 (en) 2021-03-04 2022-02-28 CORE-SHELL COMPOSITE FIBER, MANUFACTURING PROCESS AND FIBER STRUCTURE

Country Status (9)

Country Link
US (1) US20230399773A1 (en)
EP (1) EP4303347A4 (en)
JP (1) JP7645984B2 (en)
KR (1) KR20230140458A (en)
CN (1) CN116917560A (en)
BR (1) BR112023017874A2 (en)
IL (1) IL305617A (en)
TW (1) TWI911400B (en)
WO (1) WO2022186150A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002088587A (en) * 2000-09-21 2002-03-27 Kuraray Co Ltd High strength composite fiber and mesh cloth
JP2007126760A (en) * 2005-11-01 2007-05-24 Toray Ind Inc Core-sheath type composite fiber
JP2009074194A (en) * 2007-09-20 2009-04-09 Kuraray Co Ltd High strength composite fiber and method for producing the same
JP2010077540A (en) * 2008-09-24 2010-04-08 Kuraray Co Ltd High strength fiber good in dyeability and its production method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3619867B2 (en) * 1993-09-03 2005-02-16 株式会社高分子加工研究所 Production method of thermotropic liquid crystal polymer filament
JP3268931B2 (en) * 1994-03-04 2002-03-25 株式会社クラレ Core-sheath type composite fiber and fishing line composed thereof
JP2907418B2 (en) * 1995-03-27 1999-06-21 株式会社クラレ Composite fiber for screen gauze and screen gauze
JP3875797B2 (en) * 1997-07-10 2007-01-31 株式会社クラレ Core-sheath type composite fiber
JP4459396B2 (en) 2000-07-04 2010-04-28 株式会社クラレ Composite fiber and its fabric
JP2005133250A (en) * 2003-10-31 2005-05-26 Toray Ind Inc Core-sheath composite fiber
JP4818273B2 (en) * 2005-09-29 2011-11-16 帝人ファイバー株式会社 Manufacturing method of sea-island type composite spun fiber
JP2008255535A (en) 2007-04-09 2008-10-23 Kuraray Co Ltd High strength composite fiber and method for producing the same
JP2009179908A (en) 2008-01-31 2009-08-13 Toray Ind Inc Process for producing sea-island structured fibers and ultrafine short fibers
JP2020033681A (en) * 2018-03-13 2020-03-05 東レ株式会社 Sea-island type composite fiber, fiber structure and polyester composition excellent in hygroscopicity

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002088587A (en) * 2000-09-21 2002-03-27 Kuraray Co Ltd High strength composite fiber and mesh cloth
JP2007126760A (en) * 2005-11-01 2007-05-24 Toray Ind Inc Core-sheath type composite fiber
JP2009074194A (en) * 2007-09-20 2009-04-09 Kuraray Co Ltd High strength composite fiber and method for producing the same
JP2010077540A (en) * 2008-09-24 2010-04-08 Kuraray Co Ltd High strength fiber good in dyeability and its production method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022186150A1 *

Also Published As

Publication number Publication date
EP4303347A1 (en) 2024-01-10
TWI911400B (en) 2026-01-11
KR20230140458A (en) 2023-10-06
TW202302942A (en) 2023-01-16
US20230399773A1 (en) 2023-12-14
CN116917560A (en) 2023-10-20
JP7645984B2 (en) 2025-03-14
IL305617A (en) 2023-11-01
JPWO2022186150A1 (en) 2022-09-09
BR112023017874A2 (en) 2023-10-10
WO2022186150A1 (en) 2022-09-09

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