EP4124681A1 - Herstellungsverfahren von regenerierten cellulosefasern - Google Patents

Herstellungsverfahren von regenerierten cellulosefasern Download PDF

Info

Publication number
EP4124681A1
EP4124681A1 EP21187680.0A EP21187680A EP4124681A1 EP 4124681 A1 EP4124681 A1 EP 4124681A1 EP 21187680 A EP21187680 A EP 21187680A EP 4124681 A1 EP4124681 A1 EP 4124681A1
Authority
EP
European Patent Office
Prior art keywords
fibers
fiber tow
bath
cut
fiber layer
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.)
Withdrawn
Application number
EP21187680.0A
Other languages
English (en)
French (fr)
Inventor
Thomas Röder
Friedrich Suchomel
Christian Mayrhofer-Huber
Markus Duschlbauer
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.)
Lenzing AG
Original Assignee
Lenzing AG
Chemiefaser Lenzing AG
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 Lenzing AG, Chemiefaser Lenzing AG filed Critical Lenzing AG
Priority to EP21187680.0A priority Critical patent/EP4124681A1/de
Priority to CA3226776A priority patent/CA3226776A1/en
Priority to PCT/EP2022/070609 priority patent/WO2023006601A1/en
Priority to TW111127771A priority patent/TW202314071A/zh
Publication of EP4124681A1 publication Critical patent/EP4124681A1/de
Withdrawn legal-status Critical Current

Links

Images

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
    • D01D5/06—Wet 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
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/02—Preparation of spinning solutions
    • 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
    • D01D10/06—Washing or drying
    • 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
    • D01D13/00—Complete machines for producing artificial threads
    • D01D13/02—Elements of machines in combination
    • 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
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/02—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/02—Synthetic cellulose fibres
    • D21H13/08—Synthetic cellulose fibres from regenerated cellulose

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
EP21187680.0A 2021-07-26 2021-07-26 Herstellungsverfahren von regenerierten cellulosefasern Withdrawn EP4124681A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP21187680.0A EP4124681A1 (de) 2021-07-26 2021-07-26 Herstellungsverfahren von regenerierten cellulosefasern
CA3226776A CA3226776A1 (en) 2021-07-26 2022-07-22 Method for producing regenerated cellulosic fibers
PCT/EP2022/070609 WO2023006601A1 (en) 2021-07-26 2022-07-22 Improvements relating to the cold-alkali process for the production of regenerated cellulosic fibers
TW111127771A TW202314071A (zh) 2021-07-26 2022-07-25 用於製造再生纖維素纖維之冷鹼法的改良

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21187680.0A EP4124681A1 (de) 2021-07-26 2021-07-26 Herstellungsverfahren von regenerierten cellulosefasern

Publications (1)

Publication Number Publication Date
EP4124681A1 true EP4124681A1 (de) 2023-02-01

Family

ID=77050915

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21187680.0A Withdrawn EP4124681A1 (de) 2021-07-26 2021-07-26 Herstellungsverfahren von regenerierten cellulosefasern

Country Status (4)

Country Link
EP (1) EP4124681A1 (de)
CA (1) CA3226776A1 (de)
TW (1) TW202314071A (de)
WO (1) WO2023006601A1 (de)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720743A (en) * 1970-10-20 1973-03-13 Itt Process for producing high performance crimped rayon staple fiber
GB1318122A (en) * 1970-07-21 1973-05-23 Nitto Boseki Co Ltd Process for producing highly crimped viscose rayon
BR9508084A (pt) * 1994-06-22 1997-11-18 Courtaulds Fibres Holdings Ltd Processo para a manufatura de fibra de lyocell com uma tendência á fibrilação papel e tecido hidroemaranhado que compreende essa fibra e fibra resultante
PL214565B1 (pl) * 2009-05-14 2013-08-30 Inst Biopolimerow I Wlokien Chemicznych Sposób wytwarzania trudnopalnych włókien celulozowych
EP3231899A1 (de) 2016-04-14 2017-10-18 TreeToTextile AB Verfahren und system zur herstellung einer spinnlösungszusammensetzung
EP3231901A1 (de) 2016-04-14 2017-10-18 TreeToTextile AB Verfahren zum spinnen aufgelöster cellulose enthaltend das rückgewinnen eines wässrigen natriumhydroxid lösungsmittel für cellulose aus der fällbadablauge
WO2018169479A1 (en) 2017-03-15 2018-09-20 Treetotextile Ab Regenerated cellulosic fibres spun from an aqueous alkaline spindope
WO2020041256A1 (en) * 2018-08-23 2020-02-27 Eastman Chemical Company Recycled deinked sheet articles
US20200063352A1 (en) * 2018-08-23 2020-02-27 Eastman Chemical Company Paper press process with high hydrolic pressure
WO2020171767A1 (en) 2019-02-21 2020-08-27 Treetotextile Ab A process and a spinning line unit for wet spinning of cellulose fibers from an alkaline spin bath

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1318122A (en) * 1970-07-21 1973-05-23 Nitto Boseki Co Ltd Process for producing highly crimped viscose rayon
US3720743A (en) * 1970-10-20 1973-03-13 Itt Process for producing high performance crimped rayon staple fiber
BR9508084A (pt) * 1994-06-22 1997-11-18 Courtaulds Fibres Holdings Ltd Processo para a manufatura de fibra de lyocell com uma tendência á fibrilação papel e tecido hidroemaranhado que compreende essa fibra e fibra resultante
PL214565B1 (pl) * 2009-05-14 2013-08-30 Inst Biopolimerow I Wlokien Chemicznych Sposób wytwarzania trudnopalnych włókien celulozowych
EP3231899A1 (de) 2016-04-14 2017-10-18 TreeToTextile AB Verfahren und system zur herstellung einer spinnlösungszusammensetzung
EP3231901A1 (de) 2016-04-14 2017-10-18 TreeToTextile AB Verfahren zum spinnen aufgelöster cellulose enthaltend das rückgewinnen eines wässrigen natriumhydroxid lösungsmittel für cellulose aus der fällbadablauge
WO2018169479A1 (en) 2017-03-15 2018-09-20 Treetotextile Ab Regenerated cellulosic fibres spun from an aqueous alkaline spindope
WO2020041256A1 (en) * 2018-08-23 2020-02-27 Eastman Chemical Company Recycled deinked sheet articles
US20200063352A1 (en) * 2018-08-23 2020-02-27 Eastman Chemical Company Paper press process with high hydrolic pressure
WO2020171767A1 (en) 2019-02-21 2020-08-27 Treetotextile Ab A process and a spinning line unit for wet spinning of cellulose fibers from an alkaline spin bath

Also Published As

Publication number Publication date
TW202314071A (zh) 2023-04-01
WO2023006601A1 (en) 2023-02-02
CA3226776A1 (en) 2023-02-02

Similar Documents

Publication Publication Date Title
US20220112628A1 (en) A process and a spinning line unit for wet spinning of cellulose fibers from an alkaline spin bath
EP3551790A1 (de) Cellulosefasern
KR102534152B1 (ko) 라이오셀 타입 셀룰로오스 필라멘트 제조 방법
TWI723322B (zh) 製造纖維素再生物成形體之方法
Wilkes The viscose process
EP4124681A1 (de) Herstellungsverfahren von regenerierten cellulosefasern
EP4124682A1 (de) Verfahren zur herstellung von regenerierten cellulosefasern
EP4124680A1 (de) Herstellungsverfahren von regenerierten cellulosefasern
CN118043507A (en) Method for producing regenerated cellulose fiber
CN118056039A (zh) 生产再生纤维素纤维的方法
CN113242917B (zh) 从纤维素长丝纱线或纤维中去除液体的方法
EP4144899A1 (de) Verfahren zur herstellung einer gekühlten spinnlösung
CN217895806U (zh) 用于制造纤维素纤维的设备
RU2789193C2 (ru) Огнестойкое лиоцелловое волокно
TR202013367A2 (tr) Cupra rejenere selüloz ve üreti̇m yöntemi̇
SE2250296A1 (en) A process and a spinning line unit for wet spinning of cellulose fibers from an alkaline spin bath

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20230802