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
Priority to US11/967,820 priority Critical
Priority to US11/967,820 priority patent/US20090165969A1/en
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

    • 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
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06LDRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/40Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using enzymes
    • 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
    • D21C3/04Pulping cellulose-containing materials with acids, acid salts or acid anhydrides

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)

Priority Applications (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 (3)

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

Families Citing this family (18)

* 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
TWI392779B (en) * 2009-12-31 2013-04-11
TWI392781B (en) * 2009-12-31 2013-04-11
TWI392780B (en) * 2009-12-31 2013-04-11
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
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
US9027765B2 (en) 2010-12-17 2015-05-12 Hollingsworth & Vose Company Filter media with fibrillated fibers
US9352267B2 (en) 2012-06-20 2016-05-31 Hollingsworth & Vose Company Absorbent and/or adsorptive filter media
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
US10137392B2 (en) 2012-12-14 2018-11-27 Hollingsworth & Vose Company Fiber webs coated with fiber-containing resins
AT514137A1 (en) 2013-04-05 2014-10-15 Lenzing Akiengesellschaft Polysaccharide, and methods for their preparation
AT514136A1 (en) * 2013-04-05 2014-10-15 Lenzing Akiengesellschaft Polysaccharide with increased Fibrillationsvermögen and processes for their 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 Highly absorbent polysaccharide and their use
AT514474B1 (en) 2013-06-18 2016-02-15 Chemiefaser Lenzing Ag Polysaccharide, and methods for their preparation
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

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
CN100346030C (en) * 2002-03-06 2007-10-31 埃欧金生物制品公司 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
AR069928A1 (en) 2010-03-03
US20090165969A1 (en) 2009-07-02

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