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AU9778398A - Cellulose treatment and the resulting product - Google Patents

Cellulose treatment and the resulting product

Info

Publication number
AU9778398A
AU9778398A AU97783/98A AU9778398A AU9778398A AU 9778398 A AU9778398 A AU 9778398A AU 97783/98 A AU97783/98 A AU 97783/98A AU 9778398 A AU9778398 A AU 9778398A AU 9778398 A AU9778398 A AU 9778398A
Authority
AU
Australia
Prior art keywords
resulting product
cellulose treatment
cellulose
treatment
resulting
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.)
Abandoned
Application number
AU97783/98A
Inventor
R. Scott Stephens
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
Application filed by Weyerhaeuser Co filed Critical Weyerhaeuser Co
Publication of AU9778398A publication Critical patent/AU9778398A/en
Abandoned 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
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
AU97783/98A 1997-10-01 1998-09-29 Cellulose treatment and the resulting product Abandoned AU9778398A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US6063197P 1997-10-01 1997-10-01
US60060631 1997-10-01
US16074198A 1998-09-25 1998-09-25
US09160741 1998-09-25
PCT/US1998/020303 WO1999016960A1 (en) 1997-10-01 1998-09-29 Cellulose treatment and the resulting product

Publications (1)

Publication Number Publication Date
AU9778398A true AU9778398A (en) 1999-04-23

Family

ID=26740145

Family Applications (1)

Application Number Title Priority Date Filing Date
AU97783/98A Abandoned AU9778398A (en) 1997-10-01 1998-09-29 Cellulose treatment and the resulting product

Country Status (2)

Country Link
AU (1) AU9778398A (en)
WO (1) WO1999016960A1 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6221487B1 (en) 1996-08-23 2001-04-24 The Weyerhauser Company Lyocell fibers having enhanced CV properties
US6235392B1 (en) 1996-08-23 2001-05-22 Weyerhaeuser Company Lyocell fibers and process for their preparation
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
US6686040B2 (en) 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell products
US6686039B2 (en) 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell pulps
US6797113B2 (en) 1999-02-24 2004-09-28 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell pulps method
US6685856B2 (en) 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell products method
PL196594B1 (en) * 2000-06-12 2008-01-31 Inst Biopolimerow Wlokien Chem Method of obtaining monofilaments, films and other products of modified soluble cellulose
EP2280117A1 (en) * 2000-09-14 2011-02-02 Meiji Seika Kaisha, Ltd. Method of deinking waste paper using cellulase without lowering paper strength and evaluation method thereof
US6833187B2 (en) 2003-04-16 2004-12-21 Weyerhaeuser Company Unbleached pulp for lyocell products
US6790527B1 (en) 2003-04-16 2004-09-14 Weyerhaeuser Company Lyocell fiber from unbleached pulp
US7097737B2 (en) * 2003-04-16 2006-08-29 Weyerhaeuser Company Method of making a modified unbleached pulp for lyocell products
FI20055381L (en) * 2005-07-01 2007-01-02 M Real Oyj Method for dissolving cellulose and producing cellulose particles
US20090165969A1 (en) * 2007-12-31 2009-07-02 Weyerhaeuser Co. Enzymatic treatment of pulp for lyocell manufacture
EP2569468B2 (en) * 2010-05-11 2019-12-18 FPInnovations Cellulose nanofilaments and method to produce same
CN103184700B (en) * 2011-12-28 2016-01-13 中国科学院青岛生物能源与过程研究所 A kind of method of chemical pulp modification Making viscose fiber dissolving pulp
ES2705557T3 (en) * 2012-04-26 2019-03-25 Chemiefaser Lenzing Ag Battery separator
US20150184338A1 (en) * 2013-12-31 2015-07-02 Weyerhaeuser Nr Company Treated kraft pulp compositions and methods of making the same
FI129226B (en) 2018-05-15 2021-09-30 Metsae Fibre Oy Process for treating pulp cellulose pulp
CN115094660A (en) * 2022-04-12 2022-09-23 中国制浆造纸研究院有限公司 Method for purifying and upgrading paper pulp into pulp for lyocell fibers
CN117344566A (en) * 2023-11-10 2024-01-05 上海凯鑫分离技术股份有限公司 Process for producing pulp for lyocell fiber by adopting paper pulp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2571738B1 (en) * 1984-10-17 1987-08-21 Du Pin Cellulose ENZYMATIC MANUFACTURE OF CHEMICAL PASTE
PT96722A (en) * 1990-02-12 1991-10-31 Sappi Ltd PROCESS FOR THE PRODUCTION OF PULP FROM A MATERIAL CONTAINING LIGNOCELLULOSE
FI932521A0 (en) * 1993-06-02 1993-06-02 Alko Ab Oy Now endoglucan enzyme
JPH07279078A (en) * 1994-04-05 1995-10-24 Honshu Paper Co Ltd Preparation of bleached kraft pulp and paper produced from the pulp
US6057438A (en) * 1996-10-11 2000-05-02 Eastman Chemical Company Process for the co-production of dissolving-grade pulp and xylan

Also Published As

Publication number Publication date
WO1999016960A1 (en) 1999-04-08

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase