EP3536852A1 - Zellstoff und lyocell faser mit einstellbarem weissgrad - Google Patents

Zellstoff und lyocell faser mit einstellbarem weissgrad Download PDF

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Publication number
EP3536852A1
EP3536852A1 EP18160115.4A EP18160115A EP3536852A1 EP 3536852 A1 EP3536852 A1 EP 3536852A1 EP 18160115 A EP18160115 A EP 18160115A EP 3536852 A1 EP3536852 A1 EP 3536852A1
Authority
EP
European Patent Office
Prior art keywords
fiber
pulp
lyocell
whiteness
hemicelluloses
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Withdrawn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
EP18160115.4A
Other languages
German (de)
English (en)
French (fr)
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.)
Filing date
Publication date
Application filed by Lenzing AG, Chemiefaser Lenzing AG filed Critical Lenzing AG
Priority to EP18160115.4A priority Critical patent/EP3536852A1/de
Priority to TW108107357A priority patent/TW201942445A/zh
Priority to PCT/EP2019/055581 priority patent/WO2019170754A1/de
Publication of EP3536852A1 publication Critical patent/EP3536852A1/de
Withdrawn legal-status Critical Current

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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.

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  • 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 Zellstoff und lyocell faser mit einstellbarem weissgrad Withdrawn EP3536852A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP18160115.4A EP3536852A1 (de) 2018-03-06 2018-03-06 Zellstoff und lyocell faser mit einstellbarem weissgrad
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 (de) 2018-03-06 2019-03-06 ZELLSTOFF UND LYOCELL FASER MIT EINSTELLBAREM WEIßGRAD

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18160115.4A EP3536852A1 (de) 2018-03-06 2018-03-06 Zellstoff und lyocell faser mit einstellbarem weissgrad

Publications (1)

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

Family

ID=61622320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18160115.4A Withdrawn EP3536852A1 (de) 2018-03-06 2018-03-06 Zellstoff und lyocell faser mit einstellbarem weissgrad

Country Status (3)

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

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 (de) 1992-03-17 1993-09-30 Lenzing Aktiengesellschaft Verfahren zur herstellung cellulosischer formkörper sowie vorrichtung zur durchführung des verfahrens
WO1994008217A1 (de) 1992-10-05 1994-04-14 Hans Paluschinski Schlamm- und abwasser-probeentnahmegerät und verfahren zur probeentnahme
WO1994028214A1 (en) 1993-05-24 1994-12-08 Courtaulds Fibres (Holdings) Limited Premix storage hopper
WO1995002082A1 (de) 1993-07-08 1995-01-19 Lenzing Aktiengesellschaft Cellulosefaser
WO1996033221A1 (de) 1995-04-19 1996-10-24 Lenzing Aktiengesellschaft Verfahren zur herstellung einer cellulosesuspension
WO1996033934A1 (de) 1995-04-25 1996-10-31 Lenzing Aktiengesellschaft Vorrichtung zum halten und abgeben einer homogenen cellulosesuspension
WO1997038153A1 (en) 1996-04-10 1997-10-16 Courtaulds Fibres (Holdings) Limited Method for the manufacture of lyocell filaments
WO1998005702A1 (de) 1996-08-01 1998-02-12 Lenzing Aktiengesellschaft Verfahren zur herstellung einer cellulosesuspension
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 (en) * 1998-03-16 1999-09-23 Weyerhaeuser Company Lyocell fibers, and compositions for making the same
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 (de) 2012-12-06 2015-10-14 Lenzing Aktiengesellschaft Verfahren zur herstellung eines cellulosischen formkörpers

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

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 (de) 1992-03-17 1993-09-30 Lenzing Aktiengesellschaft Verfahren zur herstellung cellulosischer formkörper sowie vorrichtung zur durchführung des verfahrens
WO1994008217A1 (de) 1992-10-05 1994-04-14 Hans Paluschinski Schlamm- und abwasser-probeentnahmegerät und verfahren zur probeentnahme
WO1994028214A1 (en) 1993-05-24 1994-12-08 Courtaulds Fibres (Holdings) Limited Premix storage hopper
WO1995002082A1 (de) 1993-07-08 1995-01-19 Lenzing Aktiengesellschaft Cellulosefaser
WO1996033221A1 (de) 1995-04-19 1996-10-24 Lenzing Aktiengesellschaft Verfahren zur herstellung einer cellulosesuspension
WO1996033934A1 (de) 1995-04-25 1996-10-31 Lenzing Aktiengesellschaft Vorrichtung zum halten und abgeben einer homogenen cellulosesuspension
WO1997038153A1 (en) 1996-04-10 1997-10-16 Courtaulds Fibres (Holdings) Limited Method for the manufacture of lyocell filaments
WO1998005702A1 (de) 1996-08-01 1998-02-12 Lenzing Aktiengesellschaft Verfahren zur herstellung einer cellulosesuspension
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 (en) * 1998-03-16 1999-09-23 Weyerhaeuser Company Lyocell fibers, and compositions for making the same
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 (de) 2012-12-06 2015-10-14 Lenzing Aktiengesellschaft Verfahren zur herstellung eines cellulosischen formkörpers
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
TW201942445A (zh) 2019-11-01
WO2019170754A1 (de) 2019-09-12

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