EP3536852A1 - Fibre cellulosique et de type lyocell a degre de blanc reglable - Google Patents

Fibre cellulosique et de type lyocell a degre de blanc reglable Download PDF

Info

Publication number: EP3536852A1
Authority: EP; European Patent Office
Prior art keywords: fiber; pulp; lyocell; whiteness; hemicelluloses
Prior art date: 2018-03-06
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP18160115.4A

Other languages

German (de)

English (en)

Inventor

Martina OPIETNIK

Karin KÄMPF

Andrea Borgards

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.)

2018-03-06

Filing date

2018-03-06

Publication date

2019-09-11

2018-03-06 Application filed by Lenzing AG, Chemiefaser Lenzing AG filed Critical Lenzing AG

2018-03-06 Priority to EP18160115.4A priority Critical patent/EP3536852A1/fr

2019-03-06 Priority to TW108107357A priority patent/TW201942445A/zh

2019-03-06 Priority to PCT/EP2019/055581 priority patent/WO2019170754A1/fr

2019-09-11 Publication of EP3536852A1 publication Critical patent/EP3536852A1/fr

Status Withdrawn legal-status Critical Current

Links

229920000433 Lyocell Polymers 0.000 title claims abstract description 86
239000000835 fiber Substances 0.000 title claims abstract description 68
229920002488 Hemicellulose Polymers 0.000 claims description 52
238000000034 method Methods 0.000 claims description 43
230000008569 process Effects 0.000 claims description 31
238000004519 manufacturing process Methods 0.000 claims description 26
239000000203 mixture Substances 0.000 claims description 24
230000008859 change Effects 0.000 claims description 19
229920000057 Mannan Polymers 0.000 claims description 18
WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 claims description 12
229920001221 xylan Polymers 0.000 claims description 12
150000004823 xylans Chemical class 0.000 claims description 12
238000005259 measurement Methods 0.000 claims description 11
239000004753 textile Substances 0.000 claims description 11
SRBFZHDQGSBBOR-IOVATXLUSA-N D-xylopyranose Chemical compound O[C@@H]1COC(O)[C@H](O)[C@H]1O SRBFZHDQGSBBOR-IOVATXLUSA-N 0.000 claims description 10
238000012545 processing Methods 0.000 claims description 10
239000002994 raw material Substances 0.000 claims description 8
230000008646 thermal stress Effects 0.000 claims description 7
PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 claims description 5
SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 claims description 5
230000009467 reduction Effects 0.000 claims description 5
239000000126 substance Substances 0.000 claims description 5
239000004745 nonwoven fabric Substances 0.000 claims description 3
230000009469 supplementation Effects 0.000 claims description 3
230000001939 inductive effect Effects 0.000 claims description 2
239000000463 material Substances 0.000 claims description 2
239000000047 product Substances 0.000 description 23
229920002678 cellulose Polymers 0.000 description 16
235000010980 cellulose Nutrition 0.000 description 16
239000001913 cellulose Substances 0.000 description 14
238000009987 spinning Methods 0.000 description 14
239000000243 solution Substances 0.000 description 12
238000002845 discoloration Methods 0.000 description 10
238000011282 treatment Methods 0.000 description 8
230000006978 adaptation Effects 0.000 description 7
238000005516 engineering process Methods 0.000 description 6
238000002360 preparation method Methods 0.000 description 6
239000002023 wood Substances 0.000 description 6
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
238000000465 moulding Methods 0.000 description 5
229920000642 polymer Polymers 0.000 description 5
LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 description 4
WQZGKKKJIJFFOK-PHYPRBDBSA-N alpha-D-galactose Chemical compound OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-PHYPRBDBSA-N 0.000 description 4
238000004061 bleaching Methods 0.000 description 4
230000000694 effects Effects 0.000 description 4
238000005470 impregnation Methods 0.000 description 4
229920005610 lignin Polymers 0.000 description 4
235000000346 sugar Nutrition 0.000 description 4
238000005406 washing Methods 0.000 description 4
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
239000000654 additive Substances 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
239000011436 cob Substances 0.000 description 3
230000003750 conditioning effect Effects 0.000 description 3
238000004090 dissolution Methods 0.000 description 3
238000007380 fibre production Methods 0.000 description 3
238000005755 formation reaction Methods 0.000 description 3
229910052742 iron Inorganic materials 0.000 description 3
238000001556 precipitation Methods 0.000 description 3
238000007669 thermal treatment Methods 0.000 description 3
QGGOCWIJGWDKHC-FSIIMWSLSA-N (2s,3s,4r,5r)-2,4,5-trihydroxy-3-methoxy-6-oxohexanoic acid Chemical compound OC(=O)[C@@H](O)[C@@H](OC)[C@H](O)[C@@H](O)C=O QGGOCWIJGWDKHC-FSIIMWSLSA-N 0.000 description 2
SHZGCJCMOBCMKK-UHFFFAOYSA-N D-mannomethylose Natural products CC1OC(O)C(O)C(O)C1O SHZGCJCMOBCMKK-UHFFFAOYSA-N 0.000 description 2
229920001503 Glucan Polymers 0.000 description 2
WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
SHZGCJCMOBCMKK-JFNONXLTSA-N L-rhamnopyranose Chemical compound C[C@@H]1OC(O)[C@H](O)[C@H](O)[C@H]1O SHZGCJCMOBCMKK-JFNONXLTSA-N 0.000 description 2
PNNNRSAQSRJVSB-UHFFFAOYSA-N L-rhamnose Natural products CC(O)C(O)C(O)C(O)C=O PNNNRSAQSRJVSB-UHFFFAOYSA-N 0.000 description 2
QGGOCWIJGWDKHC-UHFFFAOYSA-N O4-Methyl-D-glucuronsaeure Natural products OC(=O)C(O)C(OC)C(O)C(O)C=O QGGOCWIJGWDKHC-UHFFFAOYSA-N 0.000 description 2
229920000297 Rayon Polymers 0.000 description 2
125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 2
125000000089 arabinosyl group Chemical group C1([C@@H](O)[C@H](O)[C@H](O)CO1)* 0.000 description 2
WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 2
238000007385 chemical modification Methods 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
239000013078 crystal Substances 0.000 description 2
238000001514 detection method Methods 0.000 description 2
238000001125 extrusion Methods 0.000 description 2
239000012467 final product Substances 0.000 description 2
229930182830 galactose Natural products 0.000 description 2
239000008103 glucose Substances 0.000 description 2
238000010409 ironing Methods 0.000 description 2
230000002427 irreversible effect Effects 0.000 description 2
238000009940 knitting Methods 0.000 description 2
230000007774 longterm Effects 0.000 description 2
LUEWUZLMQUOBSB-GFVSVBBRSA-N mannan Chemical class O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@@H](O[C@@H]2[C@H](O[C@@H](O[C@H]3[C@H](O[C@@H](O)[C@@H](O)[C@H]3O)CO)[C@@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O LUEWUZLMQUOBSB-GFVSVBBRSA-N 0.000 description 2
238000002156 mixing Methods 0.000 description 2
238000012544 monitoring process Methods 0.000 description 2
238000009896 oxidative bleaching Methods 0.000 description 2
239000002245 particle Substances 0.000 description 2
238000001228 spectrum Methods 0.000 description 2
239000007858 starting material Substances 0.000 description 2
150000008163 sugars Chemical class 0.000 description 2
238000004383 yellowing Methods 0.000 description 2
CZMRCDWAGMRECN-UHFFFAOYSA-N 2-{[3,4-dihydroxy-2,5-bis(hydroxymethyl)oxolan-2-yl]oxy}-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound OCC1OC(CO)(OC2OC(CO)C(O)C(O)C2O)C(O)C1O CZMRCDWAGMRECN-UHFFFAOYSA-N 0.000 description 1
229920003043 Cellulose fiber Polymers 0.000 description 1
206010013786 Dry skin Diseases 0.000 description 1
239000004952 Polyamide Substances 0.000 description 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
230000008901 benefit Effects 0.000 description 1
239000002131 composite material Substances 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
239000000470 constituent Substances 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
238000009826 distribution Methods 0.000 description 1
238000004043 dyeing Methods 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
239000004744 fabric Substances 0.000 description 1
238000005562 fading Methods 0.000 description 1
238000001891 gel spinning Methods 0.000 description 1
239000002608 ionic liquid Substances 0.000 description 1
238000002955 isolation Methods 0.000 description 1
239000006224 matting agent Substances 0.000 description 1
230000035800 maturation Effects 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
239000002184 metal Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
238000003801 milling Methods 0.000 description 1
150000002772 monosaccharides Chemical class 0.000 description 1
239000000546 pharmaceutical excipient Substances 0.000 description 1
239000000049 pigment Substances 0.000 description 1
239000004033 plastic Substances 0.000 description 1
239000002798 polar solvent Substances 0.000 description 1
229920002647 polyamide Polymers 0.000 description 1
229920001282 polysaccharide Polymers 0.000 description 1
239000005017 polysaccharide Substances 0.000 description 1
150000004804 polysaccharides Chemical class 0.000 description 1
230000005855 radiation Effects 0.000 description 1
230000002285 radioactive effect Effects 0.000 description 1
230000002441 reversible effect Effects 0.000 description 1
238000007493 shaping process Methods 0.000 description 1
239000002904 solvent Substances 0.000 description 1
238000010186 staining Methods 0.000 description 1
238000003860 storage Methods 0.000 description 1
230000002277 temperature effect Effects 0.000 description 1
238000012360 testing method Methods 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1
230000007704 transition Effects 0.000 description 1
238000012800 visualization Methods 0.000 description 1
238000009941 weaving Methods 0.000 description 1

Images

Classifications

- 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
- 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

Definitions

the fibers provided within the scope of the present invention preferably have an adjustable whiteness defined as follows:
the fiber exhibits a reduction in whiteness of 5% or more, preferably 10, after exposure to 195 ° C. for less than 1 minute, preferably 45 seconds % or more, such as 20% or more, as compared to a lyocell fiber having a hemicellulose content of less than 5% by weight.

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Paper (AREA)

EP18160115.4A 2018-03-06 2018-03-06 Fibre cellulosique et de type lyocell a degre de blanc reglable Withdrawn EP3536852A1 (fr)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
EP18160115.4A EP3536852A1 (fr)	2018-03-06	2018-03-06	Fibre cellulosique et de type lyocell a degre de blanc reglable
TW108107357A TW201942445A (zh)	2018-03-06	2019-03-06	白度可調的木漿和萊纖纖維
PCT/EP2019/055581 WO2019170754A1 (fr)	2018-03-06	2019-03-06	Cellulose et lyocell à degré de blancheur ajustable

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP18160115.4A EP3536852A1 (fr)	2018-03-06	2018-03-06	Fibre cellulosique et de type lyocell a degre de blanc reglable

Publications (1)

Publication Number	Publication Date
EP3536852A1 true EP3536852A1 (fr)	2019-09-11

Family

ID=61622320

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18160115.4A Withdrawn EP3536852A1 (fr)	2018-03-06	2018-03-06	Fibre cellulosique et de type lyocell a degre de blanc reglable

Country Status (3)

Country	Link
EP (1)	EP3536852A1 (fr)
TW (1)	TW201942445A (fr)
WO (1)	WO2019170754A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN111676525B (zh) *	2020-06-19	2024-09-06	当阳市鸿阳新材料科技有限公司	一种Lyocell纺丝中提高丝束白度的温控系统及方法

Citations (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
WO1993019230A1 (fr)	1992-03-17	1993-09-30	Lenzing Aktiengesellschaft	Procede de fabrication d'elements moules cellulosiques et dispositif de mise en oeuvre dudit procede
WO1994008217A1 (fr)	1992-10-05	1994-04-14	Hans Paluschinski	Appareil pour le prelevement d'echantillons de boues et d'eaux usees et procede de prelevement de ces echantillons
WO1994028214A1 (fr)	1993-05-24	1994-12-08	Courtaulds Fibres (Holdings) Limited	Tremie de stockage et de pre-melange
WO1995002082A1 (fr)	1993-07-08	1995-01-19	Lenzing Aktiengesellschaft	Fibres cellulosiques
WO1996033221A1 (fr)	1995-04-19	1996-10-24	Lenzing Aktiengesellschaft	Procede de production d'une suspension de cellulose
WO1996033934A1 (fr)	1995-04-25	1996-10-31	Lenzing Aktiengesellschaft	Dispositif pour maintenir et decharger une suspension homogene de cellulose
WO1997038153A1 (fr)	1996-04-10	1997-10-16	Courtaulds Fibres (Holdings) Limited	Procede de fabrication de filaments lyocellulaires
WO1998005702A1 (fr)	1996-08-01	1998-02-12	Lenzing Aktiengesellschaft	Procede de production d'une suspension de cellulose
JPH10158925A (ja)	1996-11-27	1998-06-16	Toyobo Co Ltd	染色性に優れた再生セルロース繊維およびその製法
WO1999047733A1 (fr) *	1998-03-16	1999-09-23	Weyerhaeuser Company	Fibres lyocel, et compositions pour leur fabrication
US6440523B1 (en)	1996-08-23	2002-08-27	Weyerhaeuser	Lyocell fiber made from alkaline pulp having low average degree of polymerization values
US6514613B2 (en)	1996-08-23	2003-02-04	Weyerhaeuser Company	Molded bodies made from compositions having low degree of polymerization values
US20030186055A1 (en)	1999-02-24	2003-10-02	Sealey James E.	Use of thinnings and other low specific gravity wood for lyocell products
US20090324926A1 (en)	2008-06-30	2009-12-31	Weyerhaeuser Co.	Nonwoven lyocell fiber webs for filtration
US20120043038A1 (en) *	2010-08-20	2012-02-23	Weyerhaeuser Nr Company	Dried Highly Fibrillated Cellulose Fiber
US20150184338A1 (en) *	2013-12-31	2015-07-02	Weyerhaeuser Nr Company	Treated kraft pulp compositions and methods of making the same
EP2929071A1 (fr)	2012-12-06	2015-10-14	Lenzing Aktiengesellschaft	Procédé de production d'un article façonné cellulosique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5413631A (en)	1993-05-24	1995-05-09	Courtaulds (Holding) Limited	Formation of a cellulose-based premix

2018
- 2018-03-06 EP EP18160115.4A patent/EP3536852A1/fr not_active Withdrawn
2019
- 2019-03-06 TW TW108107357A patent/TW201942445A/zh unknown
- 2019-03-06 WO PCT/EP2019/055581 patent/WO2019170754A1/fr not_active Ceased

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
WO1993019230A1 (fr)	1992-03-17	1993-09-30	Lenzing Aktiengesellschaft	Procede de fabrication d'elements moules cellulosiques et dispositif de mise en oeuvre dudit procede
WO1994008217A1 (fr)	1992-10-05	1994-04-14	Hans Paluschinski	Appareil pour le prelevement d'echantillons de boues et d'eaux usees et procede de prelevement de ces echantillons
WO1994028214A1 (fr)	1993-05-24	1994-12-08	Courtaulds Fibres (Holdings) Limited	Tremie de stockage et de pre-melange
WO1995002082A1 (fr)	1993-07-08	1995-01-19	Lenzing Aktiengesellschaft	Fibres cellulosiques
WO1996033221A1 (fr)	1995-04-19	1996-10-24	Lenzing Aktiengesellschaft	Procede de production d'une suspension de cellulose
WO1996033934A1 (fr)	1995-04-25	1996-10-31	Lenzing Aktiengesellschaft	Dispositif pour maintenir et decharger une suspension homogene de cellulose
WO1997038153A1 (fr)	1996-04-10	1997-10-16	Courtaulds Fibres (Holdings) Limited	Procede de fabrication de filaments lyocellulaires
WO1998005702A1 (fr)	1996-08-01	1998-02-12	Lenzing Aktiengesellschaft	Procede de production d'une suspension de cellulose
US6440523B1 (en)	1996-08-23	2002-08-27	Weyerhaeuser	Lyocell fiber made from alkaline pulp having low average degree of polymerization values
US6514613B2 (en)	1996-08-23	2003-02-04	Weyerhaeuser Company	Molded bodies made from compositions having low degree of polymerization values
JPH10158925A (ja)	1996-11-27	1998-06-16	Toyobo Co Ltd	染色性に優れた再生セルロース繊維およびその製法
WO1999047733A1 (fr) *	1998-03-16	1999-09-23	Weyerhaeuser Company	Fibres lyocel, et compositions pour leur fabrication
US20030186055A1 (en)	1999-02-24	2003-10-02	Sealey James E.	Use of thinnings and other low specific gravity wood for lyocell products
US20090324926A1 (en)	2008-06-30	2009-12-31	Weyerhaeuser Co.	Nonwoven lyocell fiber webs for filtration
US20120043038A1 (en) *	2010-08-20	2012-02-23	Weyerhaeuser Nr Company	Dried Highly Fibrillated Cellulose Fiber
EP2929071A1 (fr)	2012-12-06	2015-10-14	Lenzing Aktiengesellschaft	Procédé de production d'un article façonné cellulosique
US20150184338A1 (en) *	2013-12-31	2015-07-02	Weyerhaeuser Nr Company	Treated kraft pulp compositions and methods of making the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CABOHYDRATE POLYMERS, vol. 181, 2018, pages 893 - 901

Also Published As

Publication number	Publication date
WO2019170754A1 (fr)	2019-09-12
TW201942445A (zh)	2019-11-01

Legal Events

Date	Code	Title	Description
2019-08-09	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
2019-09-11	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
2019-09-11	AX	Request for extension of the european patent	Extension state: BA ME
2020-07-24	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
2020-08-26	18D	Application deemed to be withdrawn	Effective date: 20200312

Publication	Publication Date	Title
DE69723582T2 (de)	2004-05-13	Fasern aus regenerierte zellulose und verfahren zu ihrer herstellung
EP2268857B1 (fr)	2012-09-26	Corps moulés cellulosiques
EP2981639B1 (fr)	2016-12-28	Fibres en polysaccharides à pouvoir élevé de formation de fibrilles et leur procédé de fabrication
AT401271B (de)	1996-07-25	Verfahren zur herstellung von cellulosefasern
EP2473657B1 (fr)	2014-04-30	Fibres cellulosiques ignifugées, leur utilisation ainsi que leur procédé de fabrication
EP3090081B1 (fr)	2018-02-07	Fibres cellulosiques
WO2019002095A1 (fr)	2019-01-03	Fibre multicomposant formant un hydrogel
AT515693B1 (de)	2015-11-15	Schnell fibrillierende Lyocellfasern und deren Verwendung
AT518061B1 (de)	2017-07-15	Modifizierte Viskosefaser
EP0683827B1 (fr)	1997-01-15	Procede de fabrication de corps moules en cellulose
DE60311324T2 (de)	2007-11-15	Herstellungsverfahren für modifizierte zellulosefasern
DE69516975T2 (de)	2000-10-19	Zusammensetzung enthaltend celluloseformiat, das fähig ist ein elastisches und thermorerversibles gel zu bilden
WO2021023594A1 (fr)	2021-02-11	Procédé de production de fibres discontinues de lyocell
DE69700778T2 (de)	2000-06-08	Verfahren zur herstellung von cellulosefasern und filamenten
DE69701626T2 (de)	2000-09-21	Cellulosefasern und filamenten mit hoher bruchdehnung
AT501252A1 (de)	2006-07-15	Cellulosischer formkörper und verfahren zu seiner herstellung
AT504704B1 (de)	2008-12-15	Fasern enthaltender gegenstand
WO2019170754A1 (fr)	2019-09-12	Cellulose et lyocell à degré de blancheur ajustable
EP0918798B1 (fr)	2000-11-15	Procede de production de pieces faconnees en cellulose
EP3762537B1 (fr)	2023-10-25	Pulpe et articles en lyocell avec un taux en cellulose réduit
AT505492B1 (de)	2014-06-15	Verfahren zur herstellung von cellulosischen formkörpern unter verwendung von bambuspapierzellstoff und formkörper aus diesem verfahren
DE69806466T2 (de)	2003-02-06	Cellulosefasern aus flüssigkristallinen ursprung mit bedeutender bruchdehnung und verfahren zu ihre herstellung
WO1997004148A1 (fr)	1997-02-06	Fibres de cellulose
AT402828B (de)	1997-09-25	Modifizierte viskosefasern, verfahren zu ihrer herstellung und ihre verwendung
EP0918893B1 (fr)	2003-10-01	Microfibre de cellulose