EP0726974B1 - Verfahren zur herstellung cellulosischer formkörper - Google Patents

Verfahren zur herstellung cellulosischer formkörper Download PDF

Info

Publication number
EP0726974B1
EP0726974B1 EP95928881A EP95928881A EP0726974B1 EP 0726974 B1 EP0726974 B1 EP 0726974B1 EP 95928881 A EP95928881 A EP 95928881A EP 95928881 A EP95928881 A EP 95928881A EP 0726974 B1 EP0726974 B1 EP 0726974B1
Authority
EP
European Patent Office
Prior art keywords
amine oxide
tertiary amine
cellulose
pct
fibers
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.)
Expired - Lifetime
Application number
EP95928881A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0726974A1 (de
Inventor
Hartmut Rüf
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
Publication of EP0726974A1 publication Critical patent/EP0726974A1/de
Application granted granted Critical
Publication of EP0726974B1 publication Critical patent/EP0726974B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof

Definitions

  • compositions come as spinning solutions for the process according to the invention into consideration.
  • the pulp concentration in the dope can be between 5 and 25% vary. However, cellulose contents between 10 and 18% are preferred.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Artificial Filaments (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
EP95928881A 1994-09-05 1995-09-04 Verfahren zur herstellung cellulosischer formkörper Expired - Lifetime EP0726974B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT1695/94 1994-09-05
AT0169594A AT401063B (de) 1994-09-05 1994-09-05 Verfahren zur herstellung von cellulosischen formkörpern
PCT/AT1995/000174 WO1996007779A1 (de) 1994-09-05 1995-09-04 Verfahren zur herstellung cellulosischer formkörper

Publications (2)

Publication Number Publication Date
EP0726974A1 EP0726974A1 (de) 1996-08-21
EP0726974B1 true EP0726974B1 (de) 1998-06-17

Family

ID=3518999

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95928881A Expired - Lifetime EP0726974B1 (de) 1994-09-05 1995-09-04 Verfahren zur herstellung cellulosischer formkörper

Country Status (12)

Country Link
US (1) US5827463A (ja)
EP (1) EP0726974B1 (ja)
JP (1) JPH09505120A (ja)
CN (1) CN1135242A (ja)
AT (2) AT401063B (ja)
AU (1) AU693589B2 (ja)
BR (1) BR9506355A (ja)
CA (1) CA2175462A1 (ja)
DE (1) DE59502591D1 (ja)
FI (1) FI961903A (ja)
NO (1) NO961782D0 (ja)
WO (1) WO1996007779A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4446491C2 (de) * 1994-12-23 2000-06-15 Fraunhofer Ges Forschung Verfahren zur Herstellung von Cellulosefasern sowie Cellulosefasern mit reduzierter Fibrillierneigung
AT404032B (de) * 1996-03-04 1998-07-27 Chemiefaser Lenzing Ag Verfahren zur herstellung cellulosischer fasern
SE509894C2 (sv) 1996-08-27 1999-03-15 Akzo Nobel Surface Chem Användning av en linjär syntetisk polymer för att förbättra egenskaperna hos en formkropp av cellulosa framställd genom en tertiär aminoxidprocess
EP0853146A3 (de) * 1997-01-09 1999-03-24 Akzo Nobel N.V. Verfahren zur Herstellung von cellulosischen Fasern und cellulosische Fasern
DE10019660B4 (de) * 2000-04-20 2004-04-29 Zimmer Ag Verfahren zum Verspinnen einer Spinnlösung und Spinnkopf
AT410319B (de) * 2001-07-25 2003-03-25 Chemiefaser Lenzing Ag Celluloseschwamm und verfahren zu dessen herstellung
DE10137171A1 (de) * 2001-07-31 2003-02-13 Stockhausen Chem Fab Gmbh Verfahren zur Herstellung von cellulosischen Formkörpern mit superabsorbierenden Eigenschaften
AT502743B1 (de) * 2005-08-26 2008-06-15 Chemiefaser Lenzing Ag Cellulosischer formkörper, verfahren zu seiner herstellung und dessen verwendung
DE102006022009B3 (de) * 2006-05-10 2007-12-06 Thüringisches Institut für Textil- und Kunststoff-Forschung e.V. Verfahren zur Herstellung cellulosischer Mehrkomponentenfasern
TWI667378B (zh) 2014-01-03 2019-08-01 奧地利商蘭精股份有限公司 纖維素纖維

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT134893B (de) * 1931-11-07 1933-10-10 Warszawska Spolka Akcyjna Budo Kurbelloser Motorkompressor mit zwei gegenläufigen Freiflugkolben.
US4246221A (en) * 1979-03-02 1981-01-20 Akzona Incorporated Process for shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent
IT1194603B (it) * 1979-12-21 1988-09-22 Snia Viscosa Procedimento per la preparazione di corpi formati di cellulosa rigenerata da soluzioni di derivati della cellulosa in solventi organici
DD218121A1 (de) * 1983-10-17 1985-01-30 Chemiefaser Komb Schwarza Wilh Verfahren zur herstellung von formkoerpern aus celluloseloesungen
SU1224362A1 (ru) * 1984-06-29 1986-04-15 Предприятие П/Я А-3844 Способ получени целлюлозных волокон
GB9022175D0 (en) * 1990-10-12 1990-11-28 Courtaulds Plc Treatment of fibres
GB9122318D0 (en) * 1991-10-21 1991-12-04 Courtaulds Plc Treatment of elongate members
AT396930B (de) * 1992-01-23 1993-12-27 Chemiefaser Lenzing Ag Aminoxide
GB9222059D0 (en) * 1992-10-21 1992-12-02 Courtaulds Plc Fibre treatment
GB9304887D0 (en) * 1993-03-10 1993-04-28 Courtaulds Plc Fibre treatment

Also Published As

Publication number Publication date
BR9506355A (pt) 1997-09-16
AT401063B (de) 1996-06-25
AU3246295A (en) 1996-03-27
DE59502591D1 (de) 1998-07-23
CN1135242A (zh) 1996-11-06
NO961782L (no) 1996-05-02
AU693589B2 (en) 1998-07-02
ATA169594A (de) 1995-10-15
CA2175462A1 (en) 1996-03-14
NO961782D0 (no) 1996-05-02
ATE167533T1 (de) 1998-07-15
FI961903A0 (fi) 1996-05-03
FI961903A (fi) 1996-05-03
US5827463A (en) 1998-10-27
EP0726974A1 (de) 1996-08-21
WO1996007779A1 (de) 1996-03-14
JPH09505120A (ja) 1997-05-20

Similar Documents

Publication Publication Date Title
DE69723582T2 (de) Fasern aus regenerierte zellulose und verfahren zu ihrer herstellung
AT514474B1 (de) Polysaccharidfaser und Verfahren zu ihrer Herstellung
EP3011085B1 (de) Polysaccharidfaser und verfahren zu ihrer herstellung
DE69434062T2 (de) Verfahren zur Herstellung von geformten Gegenständen aus einer Cellulose-Lösung
EP0659219B1 (de) Cellulosefaser
EP3011091B1 (de) Polysaccharidfaser und verfahren zu ihrer herstellung
EP2981640B1 (de) Polysaccharidfaser und verfahren zu ihrer herstellung
EP0119185B1 (de) Verfahren zur Herstellung von schwer entflammbaren, hochtemperaturbeständigen Polyimidfasern
EP0853146A2 (de) Verfahren zur Herstellung von cellulosischen Fasern und cellulosische Fasern
AT401393B (de) Verfahren zur herstellung von cellulosefasern
EP0726974B1 (de) Verfahren zur herstellung cellulosischer formkörper
EP0683827B1 (de) Verfahren zur herstellung cellulosischer formkörper
EP0686712B1 (de) Flexible Cellulosefasern mit reduziertem Modul und vermindertem NMR-Ordnungsgrad und deren Herstellungsverfahren
EP0823945B1 (de) Verfahren zur herstellung cellulosischer fasern
DE102013002833B4 (de) Verfahren zur Herstellung von Celluloseregeneratfasern und Verwendung der nach dem Verfahren hergestellten Celluloseregeneratfasern
WO2017137285A1 (de) Verfahren zur herstellung von carbonfasern aus mit sulfonsäuresalzen behandelten cellulosefasern
EP0918894B1 (de) Verfahren zur herstellung cellulosischer fasern
EP0918798B1 (de) Verfahren zur herstellung cellulosischer formkörper
DE1083016B (de) Verfahren zur Herstellung von kuenstlichen Gebilden, wie Faeden oder Filme, aus Viscose
EP0984084B1 (de) Verfahren zur Herstellung von Cellulosefasern
EP0918893B1 (de) Cellulosische mikrofaser
DE2031308C3 (de) Verfahren zur Herstellung von gekräuselten, regenerierten Cellulosefasern
EP0783602B1 (de) Cellulosefaser
EP1299583B1 (de) Verfahren zur herstellung cellulosischer fasern

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

17P Request for examination filed

Effective date: 19960502

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: LT PAYMENT 960429;LV PAYMENT 960429;SI PAYMENT 960429

RAX Requested extension states of the european patent have changed

Free format text: LT PAYMENT 960429;LV PAYMENT 960429;SI PAYMENT 960429

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 19970825

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: LT PAYMENT 960429;LV PAYMENT 960429;SI PAYMENT 960429

LTIE Lt: invalidation of european patent or patent extension
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19980617

Ref country code: ES

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19980617

REF Corresponds to:

Ref document number: 167533

Country of ref document: AT

Date of ref document: 19980715

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 59502591

Country of ref document: DE

Date of ref document: 19980723

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 19980807

Year of fee payment: 4

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19980821

Year of fee payment: 4

Ref country code: DE

Payment date: 19980821

Year of fee payment: 4

ITF It: translation for a ep patent filed

Owner name: PATRITO BREVETTI

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980904

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19980908

Year of fee payment: 4

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19980917

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19980917

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19980917

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19980911

ET Fr: translation filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990219

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990331

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

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

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990904

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990904

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990930

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990930

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990930

BERE Be: lapsed

Owner name: LENZING A.G.

Effective date: 19990930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000401

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19990904

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000531

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20000401

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000701

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050904