JP7714669B2 - 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
JP7714669B2
JP7714669B2 JP2023552844A JP2023552844A JP7714669B2 JP 7714669 B2 JP7714669 B2 JP 7714669B2 JP 2023552844 A JP2023552844 A JP 2023552844A JP 2023552844 A JP2023552844 A JP 2023552844A JP 7714669 B2 JP7714669 B2 JP 7714669B2
Authority
JP
Japan
Prior art keywords
liquid crystal
crystal polyester
polyester fiber
fiber
less
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
JP2023552844A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023058563A1 (https=
JPWO2023058563A5 (https=
Inventor
幸広 寺本
拓哉 辻本
英樹 鎌田
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 JPWO2023058563A1 publication Critical patent/JPWO2023058563A1/ja
Publication of JPWO2023058563A5 publication Critical patent/JPWO2023058563A5/ja
Priority to JP2025119507A priority Critical patent/JP2025143512A/ja
Application granted granted Critical
Publication of JP7714669B2 publication Critical patent/JP7714669B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C08G63/065—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids the hydroxy and carboxylic ester groups being bound to aromatic rings
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • 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
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/04—Melting filament-forming substances
    • 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
    • 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
    • D01F6/625—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters derived from hydroxy-carboxylic acids, e.g. lactones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/04—Polyesters derived from hydroxycarboxylic acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0041—Crystalline
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0077—Yield strength; Tensile strength
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2250/00—Compositions for preparing crystalline polymers
    • 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]
    • 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
    • D10B2401/062—Load-responsive characteristics stiff, shape retention
    • 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
    • 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
    • D10B2505/12—Vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Artificial Filaments (AREA)
JP2023552844A 2021-10-08 2022-09-29 液晶ポリエステル繊維およびその製造方法 Active JP7714669B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2025119507A JP2025143512A (ja) 2021-10-08 2025-07-16 液晶ポリエステル繊維およびその製造方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021166307 2021-10-08
JP2021166307 2021-10-08
PCT/JP2022/036593 WO2023058563A1 (ja) 2021-10-08 2022-09-29 液晶ポリエステル繊維およびその製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025119507A Division JP2025143512A (ja) 2021-10-08 2025-07-16 液晶ポリエステル繊維およびその製造方法

Publications (3)

Publication Number Publication Date
JPWO2023058563A1 JPWO2023058563A1 (https=) 2023-04-13
JPWO2023058563A5 JPWO2023058563A5 (https=) 2024-06-27
JP7714669B2 true JP7714669B2 (ja) 2025-07-29

Family

ID=85803407

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2023552844A Active JP7714669B2 (ja) 2021-10-08 2022-09-29 液晶ポリエステル繊維およびその製造方法
JP2025119507A Withdrawn JP2025143512A (ja) 2021-10-08 2025-07-16 液晶ポリエステル繊維およびその製造方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2025119507A Withdrawn JP2025143512A (ja) 2021-10-08 2025-07-16 液晶ポリエステル繊維およびその製造方法

Country Status (6)

Country Link
US (1) US20240417511A1 (https=)
EP (1) EP4414486A4 (https=)
JP (2) JP7714669B2 (https=)
KR (1) KR20240056782A (https=)
CN (1) CN118076770A (https=)
WO (1) WO2023058563A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4692433A1 (en) * 2023-04-05 2026-02-11 Kuraray Co., Ltd. Liquid crystal polyester fiber
WO2025079600A1 (ja) * 2023-10-12 2025-04-17 株式会社クラレ 液晶ポリエステルチップ状物、リサイクル液晶ポリエステル成形体、およびそれらの製造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013099863A1 (ja) 2011-12-27 2013-07-04 東レ株式会社 液晶ポリエステルマルチフィラメント
JP7577129B2 (ja) 2020-11-25 2024-11-01 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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61124623A (ja) * 1984-11-21 1986-06-12 Sumitomo Chem Co Ltd 芳香族ポリエステルの紡糸方法
JPH01280031A (ja) 1988-05-06 1989-11-10 Teijin Ltd 複合繊維の製造方法
JPH0473227A (ja) 1990-07-11 1992-03-09 Toyobo Co Ltd コンポジット用混繊糸の製造方法
JP2013108190A (ja) * 2011-11-21 2013-06-06 Sumitomo Chemical Co Ltd 繊維製造用材料および繊維
JP6077758B2 (ja) 2012-05-14 2017-02-08 旭化成株式会社 複合糸条の製造方法
WO2020204125A1 (ja) * 2019-04-03 2020-10-08 ポリプラスチックス株式会社 全芳香族ポリエステル及びポリエステル樹脂組成物

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013099863A1 (ja) 2011-12-27 2013-07-04 東レ株式会社 液晶ポリエステルマルチフィラメント
JP7577129B2 (ja) 2020-11-25 2024-11-01 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
JP2025143512A (ja) 2025-10-01
EP4414486A4 (en) 2025-10-22
CN118076770A (zh) 2024-05-24
EP4414486A1 (en) 2024-08-14
WO2023058563A1 (ja) 2023-04-13
JPWO2023058563A1 (https=) 2023-04-13
US20240417511A1 (en) 2024-12-19
KR20240056782A (ko) 2024-04-30

Similar Documents

Publication Publication Date Title
JP2025143512A (ja) 液晶ポリエステル繊維およびその製造方法
US10584429B2 (en) Method of producing liquid crystal polyester fibers
EP2407583B1 (en) Liquid crystal polyester fibers and method for producing the same
KR0140228B1 (ko) 고강도 폴리에스테르사의 제조방법
EP2799600B1 (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
US20230055144A1 (en) Liquid crystal polyester fibers and method for producing same
WO2018021389A1 (ja) プリプレグ、プリプレグ積層体及びプリプレグの製造方法
JP5115471B2 (ja) 液晶性ポリエステル繊維及びその製造方法
CN115917063A (zh) 液晶聚酯纤维以及液晶聚酯纤维的制造方法
JP7745782B2 (ja) 溶融異方性芳香族ポリエステル繊維およびその製造方法
JP7851501B2 (ja) 液晶ポリエステルチップ状物、リサイクル液晶ポリエステル成形体、およびそれらの製造方法
TW202430585A (zh) 液晶聚酯纖維及其製造方法
WO2026070389A1 (ja) 液晶ポリエステル製品のリサイクル方法、およびリサイクル方法の選択方法
WO2025079600A1 (ja) 液晶ポリエステルチップ状物、リサイクル液晶ポリエステル成形体、およびそれらの製造方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240409

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240409

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: 20250617

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250716

R150 Certificate of patent or registration of utility model

Ref document number: 7714669

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150