DE69943167D1 - Lyozellfaser und Zusammensetzungen zu ihrer Herstellung - Google Patents

Lyozellfaser und Zusammensetzungen zu ihrer Herstellung

Info

Publication number
DE69943167D1
DE69943167D1 DE69943167T DE69943167T DE69943167D1 DE 69943167 D1 DE69943167 D1 DE 69943167D1 DE 69943167 T DE69943167 T DE 69943167T DE 69943167 T DE69943167 T DE 69943167T DE 69943167 D1 DE69943167 D1 DE 69943167D1
Authority
DE
Germany
Prior art keywords
present
compositions
lyocell fibers
making
preparation
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
DE69943167T
Other languages
English (en)
Inventor
Mengkui Luo
Vincent A Roscelli
Amar N Neogi
James E Ii Sealey
Richard 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=DE69943167(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 DE69943167D1 publication Critical patent/DE69943167D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/18—Formation of filaments, threads, or the like by means of rotating spinnerets
    • 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
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2964—Artificial fiber or filament
    • Y10T428/2965—Cellulosic

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)
  • Artificial Filaments (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Nonwoven Fabrics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Multicomponent Fibers (AREA)
DE69943167T 1998-03-16 1999-03-03 Lyozellfaser und Zusammensetzungen zu ihrer Herstellung Expired - Lifetime DE69943167D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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
US09/256,197 US6210801B1 (en) 1996-08-23 1999-02-24 Lyocell fibers, and compositions for making same

Publications (1)

Publication Number Publication Date
DE69943167D1 true DE69943167D1 (de) 2011-03-10

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 After (1)

Application Number Title Priority Date Filing Date
DE69913117T Expired - Fee Related DE69913117T2 (de) 1998-03-16 1999-03-03 Zusammensetzung für die herstellung von lyocellfasern

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)

Families Citing this family (104)

* Cited by examiner, † Cited by third party
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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
US6306334B1 (en) 1996-08-23 2001-10-23 The Weyerhaeuser Company Process for melt blowing continuous lyocell fibers
US6773648B2 (en) * 1998-11-03 2004-08-10 Weyerhaeuser Company Meltblown process with mechanical attenuation
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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US6686040B2 (en) * 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell products
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EP3385427A1 (de) 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Cellulosefaservliesstoff mit faserdurchmesserverteilung
EP3385431A1 (de) 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Cellulosefaservliesstoff mit homogen verflochtenen fasern
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ATE497035T1 (de) 2011-02-15
BR9908775A (pt) 2000-11-14
WO1999047733A1 (en) 1999-09-23
EP1068376B1 (de) 2003-11-26
CN1219918C (zh) 2005-09-21
TW452615B (en) 2001-09-01
CN1446955A (zh) 2003-10-08
ATE255178T1 (de) 2003-12-15
DE69913117D1 (de) 2004-01-08
CA2323437A1 (en) 1999-09-23
CN1293723A (zh) 2001-05-02
CA2323437C (en) 2005-01-18
ES2214015T3 (es) 2004-09-01
CN1446954A (zh) 2003-10-08
KR20010041615A (ko) 2001-05-25
DE69913117T2 (de) 2004-08-26
KR100558501B1 (ko) 2006-03-07
EP1362935B1 (de) 2011-01-26
US6210801B1 (en) 2001-04-03
BR9908775B1 (pt) 2009-05-05
EP1068376A1 (de) 2001-01-17
JP2002506931A (ja) 2002-03-05
CN1219919C (zh) 2005-09-21
EP1362935A1 (de) 2003-11-19
CN1108401C (zh) 2003-05-14
CN1446953A (zh) 2003-10-08
CN1200152C (zh) 2005-05-04
AU2893099A (en) 1999-10-11

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