WO2009088635A3 - Enzymatic treatment of pulp for lyocell manufacture - Google Patents

Enzymatic treatment of pulp for lyocell manufacture Download PDF

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Publication number
WO2009088635A3
WO2009088635A3 PCT/US2008/086367 US2008086367W WO2009088635A3 WO 2009088635 A3 WO2009088635 A3 WO 2009088635A3 US 2008086367 W US2008086367 W US 2008086367W WO 2009088635 A3 WO2009088635 A3 WO 2009088635A3
Authority
WO
WIPO (PCT)
Prior art keywords
pulp
manufacture
enzymatic treatment
lyocell
lyocell manufacture
Prior art date
Application number
PCT/US2008/086367
Other languages
French (fr)
Other versions
WO2009088635A2 (en
Inventor
Mengkui Luo
Original Assignee
Weyerhaeuser Company
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 Company filed Critical Weyerhaeuser Company
Publication of WO2009088635A2 publication Critical patent/WO2009088635A2/en
Publication of WO2009088635A3 publication Critical patent/WO2009088635A3/en

Links

Classifications

    • 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
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/40—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using enzymes
    • 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
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

Bleached and unbleached pulps are treated with an enzyme in one or more stages of the bleaching process to yield a low DP pulp suitable for lyocell manufacture. This allows higher throughput of fiber an economy of manufacture.
PCT/US2008/086367 2007-12-31 2008-12-11 Enzymatic treatment of pulp for lyocell manufacture WO2009088635A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/967,820 2007-12-31
US11/967,820 US20090165969A1 (en) 2007-12-31 2007-12-31 Enzymatic treatment of pulp for lyocell manufacture

Publications (2)

Publication Number Publication Date
WO2009088635A2 WO2009088635A2 (en) 2009-07-16
WO2009088635A3 true WO2009088635A3 (en) 2009-09-03

Family

ID=40786669

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/086367 WO2009088635A2 (en) 2007-12-31 2008-12-11 Enzymatic treatment of pulp for lyocell manufacture

Country Status (4)

Country Link
US (1) US20090165969A1 (en)
AR (1) AR069928A1 (en)
CL (1) CL2008003884A1 (en)
WO (1) WO2009088635A2 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101694019B (en) * 2009-09-30 2011-08-10 上海里奥纤维企业发展有限公司 Solvent method high-wet-modulus bamboo fiber and preparation method thereof
TWI392781B (en) * 2009-12-31 2013-04-11 Preparation of Natural Cellulose Nonwoven by Wet Spunbond Method
TWI392779B (en) * 2009-12-31 2013-04-11 A method for preparing natural cellulose nonwoven fabric by wet meltblowing
TWI392780B (en) * 2009-12-31 2013-04-11 Wet melt with a mold, antibacterial and deodorant function of cellulose non-woven system
CN102127842B (en) * 2010-01-13 2014-07-16 聚隆纤维股份有限公司 Method for preparing natural cellulose nonwoven fabric in wet-type meltblown mode
CN102127840B (en) * 2010-01-13 2014-07-16 聚隆纤维股份有限公司 Method for preparing natural cellulose non-woven fabric in wet spunbond mode
US9027765B2 (en) 2010-12-17 2015-05-12 Hollingsworth & Vose Company Filter media with fibrillated fibers
US8882876B2 (en) 2012-06-20 2014-11-11 Hollingsworth & Vose Company Fiber webs including synthetic fibers
US9511330B2 (en) 2012-06-20 2016-12-06 Hollingsworth & Vose Company Fibrillated fibers for liquid filtration media
US9352267B2 (en) 2012-06-20 2016-05-31 Hollingsworth & Vose Company Absorbent and/or adsorptive filter media
US10137392B2 (en) 2012-12-14 2018-11-27 Hollingsworth & Vose Company Fiber webs coated with fiber-containing resins
AT514136A1 (en) 2013-04-05 2014-10-15 Lenzing Akiengesellschaft Polysaccharide fiber with increased fibrillation capability and process for its preparation
AT514137A1 (en) 2013-04-05 2014-10-15 Lenzing Akiengesellschaft Polysaccharide fiber and process for its preparation
AT514123B1 (en) 2013-04-10 2015-06-15 Lenzing Akiengesellschaft Polysaccharide film and process for its preparation
AT514468A1 (en) 2013-06-17 2015-01-15 Lenzing Akiengesellschaft High absorbency polysaccharide fiber and its use
AT514474B1 (en) 2013-06-18 2016-02-15 Chemiefaser Lenzing Ag Polysaccharide fiber and process for its preparation
US20150184338A1 (en) 2013-12-31 2015-07-02 Weyerhaeuser Nr Company Treated kraft pulp compositions and methods of making the same
US9926665B2 (en) 2016-02-25 2018-03-27 International Paper Company Crosslinked cellulose as precursor in production of high-grade cellulose derivatives and related technology
US20190024307A1 (en) * 2016-03-07 2019-01-24 Veritas Tekstil Konfeksiyon Pazarlama Sanayi Ve Ticaret Anonim Sirketi Water-soluble regenerated fiber production from calluna vulgaris plant species
EP3536851A1 (en) * 2018-03-06 2019-09-11 Lenzing Aktiengesellschaft Lyocell fiber with increased tendency to fibrillate
FI129226B (en) 2018-05-15 2021-09-30 Metsae Fibre Oy Method for the pretreatment of paper pulp
US11352748B2 (en) 2018-07-31 2022-06-07 International Paper Company Crosslinked pulps, cellulose ether products made therefrom; and related methods of making pulps and cellulose ether products

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999016960A1 (en) * 1997-10-01 1999-04-08 Weyerhaeuser Company Cellulose treatment and the resulting product
WO1999047733A1 (en) * 1998-03-16 1999-09-23 Weyerhaeuser Company Lyocell fibers, and compositions for making the same
WO2002086206A1 (en) * 2001-04-24 2002-10-31 Weyerhaeuser Company Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same
US20040209078A1 (en) * 2003-04-16 2004-10-21 Weyerhaeuser Company Unbleached pulp for lyocell products

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2115881C (en) * 1993-02-25 2000-05-23 Michael G. Paice Non-chlorine bleaching of kraft pulp
US6824646B2 (en) * 1999-03-23 2004-11-30 Oji Paper Co., Ltd. Process for oxygen bleaching and enzyme treating lignocellulosic pulp with liquid treatment and recovery
WO2003074780A1 (en) * 2002-03-06 2003-09-12 Iogen Bio-Products Corporation Xylanase treatment of chemical pulp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999016960A1 (en) * 1997-10-01 1999-04-08 Weyerhaeuser Company Cellulose treatment and the resulting product
WO1999047733A1 (en) * 1998-03-16 1999-09-23 Weyerhaeuser Company Lyocell fibers, and compositions for making the same
WO2002086206A1 (en) * 2001-04-24 2002-10-31 Weyerhaeuser Company Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same
US20040209078A1 (en) * 2003-04-16 2004-10-21 Weyerhaeuser Company Unbleached pulp for lyocell products

Also Published As

Publication number Publication date
WO2009088635A2 (en) 2009-07-16
CL2008003884A1 (en) 2009-12-18
US20090165969A1 (en) 2009-07-02
AR069928A1 (en) 2010-03-03

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