CL2020002286A1 - Pulp and lyocell fiber articles with lower cellulose content - Google Patents

Pulp and lyocell fiber articles with lower cellulose content

Info

Publication number
CL2020002286A1
CL2020002286A1 CL2020002286A CL2020002286A CL2020002286A1 CL 2020002286 A1 CL2020002286 A1 CL 2020002286A1 CL 2020002286 A CL2020002286 A CL 2020002286A CL 2020002286 A CL2020002286 A CL 2020002286A CL 2020002286 A1 CL2020002286 A1 CL 2020002286A1
Authority
CL
Chile
Prior art keywords
lyocell fiber
pulp
cellulose content
fiber articles
lower cellulose
Prior art date
Application number
CL2020002286A
Other languages
Spanish (es)
Inventor
Verena Silbermann
Martina Opietnik
Gabriele Schild
Susanne Möderl
Magdalena Körbler
Original Assignee
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=61569169&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CL2020002286(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Chemiefaser Lenzing Ag filed Critical Chemiefaser Lenzing Ag
Publication of CL2020002286A1 publication Critical patent/CL2020002286A1/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • 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
    • 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
    • D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
    • D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
    • D01F2/30—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate by the dry spinning process
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
  • Artificial Filaments (AREA)
  • Nonwoven Fabrics (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Knitting Of Fabric (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La presente invención describe composiciones especiales de celulosa, que permiten una producción estable a escala industrial de fibra de lyocell con menor contenido de celulosa, así como la fibra de lyocell producida a partir de ella.The present invention describes special cellulose compositions, which allow stable industrial-scale production of lyocell fiber with lower cellulose content, as well as lyocell fiber produced from it.

CL2020002286A 2018-03-06 2020-09-03 Pulp and lyocell fiber articles with lower cellulose content CL2020002286A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18160123.8A EP3536850A1 (en) 2018-03-06 2018-03-06 Pulp and lyocell articles with reduced cellulose content

Publications (1)

Publication Number Publication Date
CL2020002286A1 true CL2020002286A1 (en) 2021-02-05

Family

ID=61569169

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2020002286A CL2020002286A1 (en) 2018-03-06 2020-09-03 Pulp and lyocell fiber articles with lower cellulose content

Country Status (10)

Country Link
US (1) US20210002825A1 (en)
EP (2) EP3536850A1 (en)
CN (1) CN111788348B (en)
CA (1) CA3092615C (en)
CL (1) CL2020002286A1 (en)
ES (1) ES2968528T3 (en)
FI (1) FI3762537T3 (en)
TW (1) TWI746936B (en)
WO (1) WO2019170763A1 (en)
ZA (1) ZA202006048B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI814782B (en) * 2018-03-06 2023-09-11 奧地利商蘭仁股份有限公司 Solvent-spun cellulosic fibre
CN113109205A (en) * 2021-03-29 2021-07-13 杭州融凯盛科技有限公司 Method for rapidly detecting forming state of lyocell fibers

Family Cites Families (27)

* 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
ATA53792A (en) 1992-03-17 1995-02-15 Chemiefaser Lenzing Ag METHOD FOR PRODUCING CELLULOSIC MOLDED BODIES, DEVICE FOR IMPLEMENTING THE METHOD AND USE OF A SPINNING DEVICE
EP0663996B1 (en) 1992-10-05 1997-05-21 Hans Paluschinski Sludge and waste water sampling device and process for taking samples
US5456748A (en) 1993-05-24 1995-10-10 Courtaulds Fibres (Holdings) Ltd. Premix storage hopper
US5413631A (en) 1993-05-24 1995-05-09 Courtaulds (Holding) Limited Formation of a cellulose-based premix
AT401271B (en) 1993-07-08 1996-07-25 Chemiefaser Lenzing Ag METHOD FOR PRODUCING CELLULOSE FIBERS
GB9412501D0 (en) * 1994-06-22 1994-08-10 Courtaulds Fibres Holdings Ltd Manufacture of fibre
AT402410B (en) 1995-04-19 1997-05-26 Chemiefaser Lenzing Ag METHOD FOR PRODUCING A CELLULOSE SUSPENSION
AT409130B (en) 1995-04-25 2002-05-27 Chemiefaser Lenzing Ag USE OF A DEVICE FOR HOLDING AND DELIVERING A HOMOGENEOUS CELLULOSE SUSPENSION
GB9607456D0 (en) 1996-04-10 1996-06-12 Courtaulds Fibres Holdings Ltd Spinning of filaments
AT404594B (en) 1996-08-01 1998-12-28 Chemiefaser Lenzing Ag METHOD FOR PRODUCING A CELLULOSE SUSPENSION
US6210801B1 (en) * 1996-08-23 2001-04-03 Weyerhaeuser Company Lyocell fibers, and compositions for making same
US6471727B2 (en) 1996-08-23 2002-10-29 Weyerhaeuser Company Lyocell fibers, and compositions for making the same
US6306334B1 (en) 1996-08-23 2001-10-23 The Weyerhaeuser Company Process for melt blowing continuous lyocell fibers
US6331354B1 (en) 1996-08-23 2001-12-18 Weyerhaeuser Company Alkaline pulp having low average degree of polymerization values and method of producing the same
US6057438A (en) * 1996-10-11 2000-05-02 Eastman Chemical Company Process for the co-production of dissolving-grade pulp and xylan
US20020084045A1 (en) * 1998-11-12 2002-07-04 Dimitris Ioannis Collias Compositions for improving physical strength properties and humidity resistance of paper products
US6686040B2 (en) 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell products
DE102004024030A1 (en) * 2004-05-13 2005-12-08 Zimmer Ag Lyocell process with polymerization-degree-dependent adjustment of the processing time
DE102004024029A1 (en) * 2004-05-13 2005-12-08 Zimmer Ag Lyocell method and apparatus with metal ion content control
US8802229B2 (en) 2007-06-29 2014-08-12 Weyerhaeuser Nr Company Lyocell fibers
US9845575B2 (en) * 2009-05-14 2017-12-19 International Paper Company Fibrillated blend of lyocell low DP pulp
AT514001B1 (en) 2012-12-06 2016-03-15 Chemiefaser Lenzing Ag Process for the preparation of a cellulosic molding
US20150184338A1 (en) * 2013-12-31 2015-07-02 Weyerhaeuser Nr Company Treated kraft pulp compositions and methods of making the same
US9222223B1 (en) 2014-06-30 2015-12-29 Weyerhaeuser Nr Company Esterified cellulose pulp compositions and related methods
WO2016022459A1 (en) * 2014-08-05 2016-02-11 Celanese Acetate Llc Processes for pretreating and purifying a cellulosic material
US10239905B2 (en) * 2017-01-30 2019-03-26 The United States Of America As Represented By The Secretary Of Agriculture Low temperature and efficient fractionation of lignocellulosic biomass using recyclable organic solid acids

Also Published As

Publication number Publication date
TW201942444A (en) 2019-11-01
FI3762537T3 (en) 2024-01-17
RU2020132856A (en) 2022-04-06
CN111788348B (en) 2023-03-28
US20210002825A1 (en) 2021-01-07
RU2020132856A3 (en) 2022-04-12
CN111788348A (en) 2020-10-16
CA3092615A1 (en) 2019-09-12
EP3536850A1 (en) 2019-09-11
ES2968528T3 (en) 2024-05-10
ZA202006048B (en) 2022-03-30
BR112020017780A2 (en) 2020-12-22
EP3762537A1 (en) 2021-01-13
EP3762537B1 (en) 2023-10-25
TWI746936B (en) 2021-11-21
WO2019170763A1 (en) 2019-09-12
CA3092615C (en) 2022-11-29

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