JP7742952B2 - 液晶ポリエステル繊維およびその製造方法 - Google Patents

液晶ポリエステル繊維およびその製造方法

Info

Publication number
JP7742952B2
JP7742952B2 JP2024564325A JP2024564325A JP7742952B2 JP 7742952 B2 JP7742952 B2 JP 7742952B2 JP 2024564325 A JP2024564325 A JP 2024564325A JP 2024564325 A JP2024564325 A JP 2024564325A JP 7742952 B2 JP7742952 B2 JP 7742952B2
Authority
JP
Japan
Prior art keywords
liquid crystal
crystal polyester
fiber
polyester fiber
temperature
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
JP2024564325A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2024128109A1 (https=
Inventor
直輝 藤田
拓哉 辻本
一正 楠戸
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 JPWO2024128109A1 publication Critical patent/JPWO2024128109A1/ja
Application granted granted Critical
Publication of JP7742952B2 publication Critical patent/JP7742952B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • 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
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment
    • 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
    • D01D5/084—Heating filaments, threads or the like, leaving the spinnerettes
    • 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
    • D01F6/78—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products
    • D01F6/84—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products from copolyesters
    • 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]
    • D10B2331/041—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] derived from hydroxy-carboxylic acids, e.g. lactones
    • 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
    • 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
    • D10B2505/00—Industrial
    • D10B2505/02—Reinforcing materials; Prepregs

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Artificial Filaments (AREA)
JP2024564325A 2022-12-14 2023-12-07 液晶ポリエステル繊維およびその製造方法 Active JP7742952B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022199789 2022-12-14
JP2022199789 2022-12-14
PCT/JP2023/043770 WO2024128109A1 (ja) 2022-12-14 2023-12-07 液晶ポリエステル繊維およびその製造方法

Publications (2)

Publication Number Publication Date
JPWO2024128109A1 JPWO2024128109A1 (https=) 2024-06-20
JP7742952B2 true JP7742952B2 (ja) 2025-09-22

Family

ID=91484968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024564325A Active JP7742952B2 (ja) 2022-12-14 2023-12-07 液晶ポリエステル繊維およびその製造方法

Country Status (6)

Country Link
EP (1) EP4636142A1 (https=)
JP (1) JP7742952B2 (https=)
KR (1) KR20250112801A (https=)
CN (1) CN120344727A (https=)
TW (1) TW202430585A (https=)
WO (1) WO2024128109A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008105439A1 (ja) 2007-02-28 2008-09-04 Toray Industries, Inc. 液晶ポリエステル繊維およびその製造方法
JP2011202290A (ja) 2010-03-24 2011-10-13 Toray Ind Inc 液晶ポリエステル繊維およびその製造方法
JP2014167174A (ja) 2013-02-28 2014-09-11 Toray Ind Inc 液晶ポリエステル繊維およびその製造方法
WO2021205757A1 (ja) 2020-04-10 2021-10-14 株式会社クラレ 液晶ポリエステル繊維およびその製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010043380A (ja) 2008-08-13 2010-02-25 Sumitomo Chemical Co Ltd 繊維製造用材料並びにこれを用いた繊維及び不織布
JP7658532B2 (ja) 2018-01-18 2025-04-08 住友化学株式会社 液晶ポリエステル繊維
JP2022006590A (ja) 2020-06-24 2022-01-13 住友化学株式会社 液晶ポリエステル繊維及び液晶ポリエステル繊維の製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008105439A1 (ja) 2007-02-28 2008-09-04 Toray Industries, Inc. 液晶ポリエステル繊維およびその製造方法
JP2011202290A (ja) 2010-03-24 2011-10-13 Toray Ind Inc 液晶ポリエステル繊維およびその製造方法
JP2014167174A (ja) 2013-02-28 2014-09-11 Toray Ind Inc 液晶ポリエステル繊維およびその製造方法
WO2021205757A1 (ja) 2020-04-10 2021-10-14 株式会社クラレ 液晶ポリエステル繊維およびその製造方法

Also Published As

Publication number Publication date
WO2024128109A1 (ja) 2024-06-20
TW202430585A (zh) 2024-08-01
JPWO2024128109A1 (https=) 2024-06-20
CN120344727A (zh) 2025-07-18
EP4636142A1 (en) 2025-10-22
KR20250112801A (ko) 2025-07-24

Similar Documents

Publication Publication Date Title
US10584429B2 (en) Method of producing liquid crystal polyester fibers
US9169578B2 (en) Liquid crystalline polyester fiber and process for production of the same
EP2407583B1 (en) Liquid crystal polyester fibers and method for producing the same
EP2799600A1 (en) Liquid-crystalline polyester multifilament
JP5286827B2 (ja) 液晶ポリエステル繊維
KR101537131B1 (ko) 폴리에틸렌나프탈레이트 섬유 및 그 제조 방법
JP5428271B2 (ja) 液晶ポリエステル繊維の製造方法
JP7472787B2 (ja) 液晶ポリエステルマルチフィラメントおよびそれからなる高次加工製品
CN115398048B (zh) 液晶聚酯纤维及其制造方法
JP2025143512A (ja) 液晶ポリエステル繊維およびその製造方法
JP7742952B2 (ja) 液晶ポリエステル繊維およびその製造方法
JP2010189819A (ja) 溶融液晶性ポリエステル繊維の製造方法
JP7528690B2 (ja) 液晶ポリエステルマルチフィラメントおよびその製造方法
JP5115471B2 (ja) 液晶性ポリエステル繊維及びその製造方法
JP2565676B2 (ja) 芳香族ポリエステル繊維の製造法
WO2024210040A1 (ja) 液晶ポリエステル繊維
KR101746029B1 (ko) 고강도 및 치수안정성이 우수한 폴리에틸렌테레프탈레이트 원사의 제조방법
KR20250114511A (ko) 용융 이방성 방향족 폴리에스테르 섬유 및 그 제조 방법
JPS63256739A (ja) ポリエステルマルチフイラメント糸
JPS6375110A (ja) ポリエステル繊維及びその製造法

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250724

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20250724

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20250902

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250909

R150 Certificate of patent or registration of utility model

Ref document number: 7742952

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150