DE69913117D1 - Zusammensetzung für die herstellung von lyocellfasern - Google Patents

Zusammensetzung für die herstellung von lyocellfasern

Info

Publication number
DE69913117D1
DE69913117D1 DE69913117T DE69913117T DE69913117D1 DE 69913117 D1 DE69913117 D1 DE 69913117D1 DE 69913117 T DE69913117 T DE 69913117T DE 69913117 T DE69913117 T DE 69913117T DE 69913117 D1 DE69913117 D1 DE 69913117D1
Authority
DE
Germany
Prior art keywords
lyocell fibers
present
making
composition
production
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 - Fee Related
Application number
DE69913117T
Other languages
English (en)
Other versions
DE69913117T2 (de
Inventor
Mengkui Luo
A Roscelli
N Neogi
E Sealey
A Jewell
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.)
Weyerhaeuser Co
Original Assignee
Weyerhaeuser Co
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=27365593&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69913117(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US09/039,737 external-priority patent/US6235392B1/en
Priority claimed from US09/185,423 external-priority patent/US6306334B1/en
Application filed by Weyerhaeuser Co filed Critical Weyerhaeuser Co
Application granted granted Critical
Publication of DE69913117D1 publication Critical patent/DE69913117D1/de
Publication of DE69913117T2 publication Critical patent/DE69913117T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/001Modification of pulp properties
    • D21C9/002Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/08Melt spinning methods
    • D01D5/098Melt spinning methods with simultaneous stretching
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/18Formation of filaments, threads, or the like by means of rotating spinnerets
    • 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
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/02Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling of unreacted starting or intermediate materials
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2933Coated or with bond, impregnation or core
    • Y10T428/2964Artificial fiber or filament
    • Y10T428/2965Cellulosic

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Artificial Filaments (AREA)
  • Multicomponent Fibers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Nonwoven Fabrics (AREA)
DE69913117T 1998-03-16 1999-03-03 Zusammensetzung für die herstellung von lyocellfasern Expired - Fee Related DE69913117T2 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US39737 1998-03-16
US09/039,737 US6235392B1 (en) 1996-08-23 1998-03-16 Lyocell fibers and process for their preparation
US09/185,423 US6306334B1 (en) 1996-08-23 1998-11-03 Process for melt blowing continuous lyocell fibers
US185423 1998-11-03
US09/256,197 US6210801B1 (en) 1996-08-23 1999-02-24 Lyocell fibers, and compositions for making same
US256197 1999-02-24
PCT/US1999/004729 WO1999047733A1 (en) 1998-03-16 1999-03-03 Lyocell fibers, and compositions for making the same

Publications (2)

Publication Number Publication Date
DE69913117D1 true DE69913117D1 (de) 2004-01-08
DE69913117T2 DE69913117T2 (de) 2004-08-26

Family

ID=27365593

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69943167T Expired - Lifetime DE69943167D1 (de) 1998-03-16 1999-03-03 Lyozellfaser und Zusammensetzungen zu ihrer Herstellung
DE69913117T Expired - Fee Related DE69913117T2 (de) 1998-03-16 1999-03-03 Zusammensetzung für die herstellung von lyocellfasern

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69943167T Expired - Lifetime DE69943167D1 (de) 1998-03-16 1999-03-03 Lyozellfaser und Zusammensetzungen zu ihrer Herstellung

Country Status (13)

Country Link
US (1) US6210801B1 (de)
EP (2) EP1362935B1 (de)
JP (1) JP2002506931A (de)
KR (1) KR100558501B1 (de)
CN (4) CN1108401C (de)
AT (2) ATE497035T1 (de)
AU (1) AU2893099A (de)
BR (1) BR9908775B1 (de)
CA (1) CA2323437C (de)
DE (2) DE69943167D1 (de)
ES (1) ES2214015T3 (de)
TW (1) TW452615B (de)
WO (1) WO1999047733A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8317503B2 (en) 2004-05-13 2012-11-27 Lenzing Aktiengesellschaft Device for producing Lyocell fibers

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* Cited by examiner, † Cited by third party
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US6221487B1 (en) 1996-08-23 2001-04-24 The Weyerhauser Company Lyocell fibers having enhanced CV properties
US6605350B1 (en) * 1996-08-23 2003-08-12 Weyerhaeuser Company Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same
US6471727B2 (en) 1996-08-23 2002-10-29 Weyerhaeuser Company Lyocell fibers, and compositions for making the same
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
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US6797113B2 (en) * 1999-02-24 2004-09-28 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell pulps method
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EP3385430A1 (de) 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Optisch transparenter nasser cellulosefaservliesstoff
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EP3536829A1 (de) * 2018-03-06 2019-09-11 Lenzing Aktiengesellschaft Lyocellfaser mit viskoseartigen eigenschaften
TWI814782B (zh) 2018-03-06 2023-09-11 奧地利商蘭仁股份有限公司 溶劑紡絲之纖維素纖維
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EP3536851A1 (de) * 2018-03-06 2019-09-11 Lenzing Aktiengesellschaft Lyocellfaser mit erhöhter neigung zur fibrillierung
EP3536852A1 (de) * 2018-03-06 2019-09-11 Lenzing Aktiengesellschaft Zellstoff und lyocell faser mit einstellbarem weissgrad
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CN1446954A (zh) 2003-10-08
CN1108401C (zh) 2003-05-14
ATE255178T1 (de) 2003-12-15
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EP1068376A1 (de) 2001-01-17
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AU2893099A (en) 1999-10-11
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