EP4043623A4 - CORE-SHELL COMPOSITE FIBER AND MULTIFILAMENT - Google Patents

CORE-SHELL COMPOSITE FIBER AND MULTIFILAMENT

Info

Publication number
EP4043623A4
EP4043623A4 EP20874251.0A EP20874251A EP4043623A4 EP 4043623 A4 EP4043623 A4 EP 4043623A4 EP 20874251 A EP20874251 A EP 20874251A EP 4043623 A4 EP4043623 A4 EP 4043623A4
Authority
EP
European Patent Office
Prior art keywords
multifilament
core
composite fiber
shell composite
shell
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
EP20874251.0A
Other languages
German (de)
French (fr)
Other versions
EP4043623A1 (en
Inventor
Tomohiko Matsuura
Masato Masuda
Shinya Kawahara
Kazuya Fujita
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Publication of EP4043623A1 publication Critical patent/EP4043623A1/en
Publication of EP4043623A4 publication Critical patent/EP4043623A4/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
    • D01D5/28—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
    • 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
    • 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
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4391—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres
    • 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
    • D01D5/22—Formation of filaments, threads, or the like with a crimped or curled structure; with a special structure to simulate wool
    • 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
    • D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
    • 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

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)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
EP20874251.0A 2019-10-08 2020-10-02 CORE-SHELL COMPOSITE FIBER AND MULTIFILAMENT Pending EP4043623A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019185219 2019-10-08
JP2019195290 2019-10-28
PCT/JP2020/037537 WO2021070740A1 (en) 2019-10-08 2020-10-02 Sheath-core composite fiber and multifilament

Publications (2)

Publication Number Publication Date
EP4043623A1 EP4043623A1 (en) 2022-08-17
EP4043623A4 true EP4043623A4 (en) 2025-01-08

Family

ID=75436809

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20874251.0A Pending EP4043623A4 (en) 2019-10-08 2020-10-02 CORE-SHELL COMPOSITE FIBER AND MULTIFILAMENT

Country Status (7)

Country Link
US (1) US20220341060A1 (en)
EP (1) EP4043623A4 (en)
JP (1) JP7585792B2 (en)
KR (1) KR20220073702A (en)
CN (1) CN114521216B (en)
TW (1) TWI904106B (en)
WO (1) WO2021070740A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7400348B2 (en) * 2019-10-29 2023-12-19 東レ株式会社 woven and knitted fabrics
KR20230093813A (en) * 2021-12-20 2023-06-27 코오롱인더스트리 주식회사 Shaped cross-section polyethylene yarn and functional fabric comprising the same
WO2024202528A1 (en) * 2023-03-31 2024-10-03 東洋紡エムシー株式会社 Core-sheath conjugate fiber and nonwoven fabric formed therefrom
CN121358901A (en) * 2023-06-26 2026-01-16 东丽株式会社 Polyester multifilament and island-sea composite polyester fiber
WO2025105062A1 (en) * 2023-11-17 2025-05-22 東レ株式会社 Short fiber and spun yarn

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5988974A (en) * 1982-11-09 1984-05-23 東レ株式会社 Production of blended fiber yarn
JPH08109513A (en) * 1994-08-19 1996-04-30 Nippon Ester Co Ltd Multi-leaf cross-section fiber and manufacturing method thereof
JPH08260278A (en) * 1995-03-29 1996-10-08 Unitika Ltd Spunlike entangled yarn
US6548166B2 (en) * 2000-09-29 2003-04-15 E. I. Du Pont De Nemours And Company Stretchable fibers of polymers, spinnerets useful to form the fibers, and articles produced therefrom

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3388547A (en) * 1964-08-18 1968-06-18 Toyo Boseki Method for producing wool-like synthetic yarn
US3367100A (en) * 1965-06-23 1968-02-06 Monsanto Co Multifilament yarn having individually twisted filaments
JPS4641408B1 (en) * 1968-12-04 1971-12-07
JPS4833415B1 (en) * 1969-03-07 1973-10-13
JPS4917639B1 (en) * 1969-10-01 1974-05-02
US4292799A (en) * 1978-10-26 1981-10-06 Toray Industries, Inc. Spun yarn-like textured yarns and process for producing same
JPS575912A (en) 1980-06-04 1982-01-12 Toray Ind Inc Modified cross-section yarn and its production
US4634325A (en) * 1981-01-12 1987-01-06 Smith Williams Margie M Eye loop tie down bracket
KR830002440B1 (en) * 1981-09-05 1983-10-26 주식회사 코오롱 Composite fiber
JPS5933974A (en) * 1982-08-18 1984-02-24 Fujitsu Ltd Compressing circuit of picture data
JPS59192709A (en) * 1983-04-15 1984-11-01 Toray Ind Inc Fiber having surface groove and uneven thickness, and manufacture thereof
JPS6445867A (en) * 1987-08-12 1989-02-20 Asahi Chemical Ind Production of silky cloth
JPH0759770B2 (en) 1988-07-08 1995-06-28 東レ株式会社 Polyester shrinkage difference mixed yarn
JP2582877B2 (en) 1988-11-17 1997-02-19 東レ株式会社 Polyester shrinkage difference mixed yarn
JPH06280147A (en) * 1993-03-25 1994-10-04 Toray Ind Inc Thermoadhesive conjugate fiber and method for producing non-woven fabric using the same
US5876650A (en) * 1997-12-01 1999-03-02 Basf Corporation Process of making fibers of arbitrary cross section
JP2001131829A (en) * 1999-10-29 2001-05-15 Unitika Ltd Luminous composite fiber and method for producing the same
US8129019B2 (en) * 2006-11-03 2012-03-06 Behnam Pourdeyhimi High surface area fiber and textiles made from the same
JP5642981B2 (en) 2009-02-25 2014-12-17 日本エステル株式会社 Production method of polyester monofilament for organdy
JP5821714B2 (en) * 2012-03-09 2015-11-24 東レ株式会社 Composite base and composite fiber manufacturing method
JP6473362B2 (en) * 2015-03-27 2019-02-20 ダイワボウホールディングス株式会社 Composite fiber, nonwoven fabric and absorbent article sheet
CN106917160A (en) * 2015-12-28 2017-07-04 东丽纤维研究所（中国）有限公司 A kind of hygroscopicity sheath-core type conjugate fiber, false twist yarn and fiber body structure
ES2819241T3 (en) * 2016-05-18 2021-04-15 Fibertex Personal Care As Non-woven fabric comprising a layer of high elasticity
CN109415846B (en) * 2016-07-11 2021-12-28 东丽株式会社 Sea-island type composite fiber having excellent moisture absorption, false twisted yarn, and fiber structure
JP7047414B2 (en) * 2018-01-31 2022-04-05 東レ株式会社 Crimping thread

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5988974A (en) * 1982-11-09 1984-05-23 東レ株式会社 Production of blended fiber yarn
JPH08109513A (en) * 1994-08-19 1996-04-30 Nippon Ester Co Ltd Multi-leaf cross-section fiber and manufacturing method thereof
JPH08260278A (en) * 1995-03-29 1996-10-08 Unitika Ltd Spunlike entangled yarn
US6548166B2 (en) * 2000-09-29 2003-04-15 E. I. Du Pont De Nemours And Company Stretchable fibers of polymers, spinnerets useful to form the fibers, and articles produced therefrom

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021070740A1 *

Also Published As

Publication number Publication date
KR20220073702A (en) 2022-06-03
WO2021070740A1 (en) 2021-04-15
CN114521216A (en) 2022-05-20
CN114521216B (en) 2024-11-19
TWI904106B (en) 2025-11-11
US20220341060A1 (en) 2022-10-27
EP4043623A1 (en) 2022-08-17
TW202122454A (en) 2021-06-16
JP7585792B2 (en) 2024-11-19
JPWO2021070740A1 (en) 2021-04-15

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