BR9908775A - Polpa, fibra de liocel, processos para produzir uma composição para conversão em fibra de liocel, e para produzir fibras de liocel, pelìcula de liocel, e, corpo moldado - Google Patents

Polpa, fibra de liocel, processos para produzir uma composição para conversão em fibra de liocel, e para produzir fibras de liocel, pelìcula de liocel, e, corpo moldado

Info

Publication number
BR9908775A
BR9908775A BR9908775-8A BR9908775A BR9908775A BR 9908775 A BR9908775 A BR 9908775A BR 9908775 A BR9908775 A BR 9908775A BR 9908775 A BR9908775 A BR 9908775A
Authority
BR
Brazil
Prior art keywords
lyocell
producing
fiber
processes
fibers
Prior art date
Application number
BR9908775-8A
Other languages
English (en)
Other versions
BR9908775B1 (pt
Inventor
Mengkui Luo
Vincent A Roscelli
Amar N Neogi
James E Sealey
Richard A Ii Jewell
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=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9908775(A) "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
Publication of BR9908775A publication Critical patent/BR9908775A/pt
Publication of BR9908775B1 publication Critical patent/BR9908775B1/pt

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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Artificial Filaments (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Multicomponent Fibers (AREA)
  • Nonwoven Fabrics (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

''POLPA, FIBRA DE LIOCEL, PROCESSOS PARA PRODUZIR UMA COMPOSIçãO PARA CONVERSãO EM FIBRA DE LIOCEL, E PARA PRODUZIR FIBRAS DE LIOCEL, PELìCULA DE LIOCEL, E, CORPO MOLDADO''. A presente invenção fornece composições, úteis para produzir fibras de liocel, tendo um elevado teor de hemicelulose, um baixo teor de lignina e incluindo celulose que tem um baixo grau médio de polimerização (D.P.). Além disso, a presente invenção fornece processos para produzir composições, úteis para produzir fibras de liocel, tendo um elevado teor de hemicelulose, um baixo teor de lignina e incluindo celulose que tem um baixo grau médio de polimerização. A presente invenção também fornece fibras de liocel contendo uma elevada proporção de hemicelulose. Além disso, as fibras de liocel da presente invenção têm aumentadas propriedades de ligação de corante e reduzida tendência a fibrilação.
BRPI9908775-8A 1998-03-16 1999-03-03 polpa, fibra de liocel, processo para produzir polpa para conversão em fibra de liocel, processo para produzir fibras de liocel, pelìcula de liocel, e, corpo moldado. BR9908775B1 (pt)

Applications Claiming Priority (4)

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
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
BR9908775A true BR9908775A (pt) 2000-11-14
BR9908775B1 BR9908775B1 (pt) 2009-05-05

Family

ID=27365593

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9908775-8A BR9908775B1 (pt) 1998-03-16 1999-03-03 polpa, fibra de liocel, processo para produzir polpa para conversão em fibra de liocel, processo para produzir fibras de liocel, pelìcula de liocel, e, corpo moldado.

Country Status (13)

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

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WO1999047733A1 (en) 1999-09-23
DE69943167D1 (de) 2011-03-10
EP1068376B1 (en) 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 (en) 2011-01-26
US6210801B1 (en) 2001-04-03
BR9908775B1 (pt) 2009-05-05
EP1068376A1 (en) 2001-01-17
JP2002506931A (ja) 2002-03-05
CN1219919C (zh) 2005-09-21
EP1362935A1 (en) 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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