AR069928A1 - Tratamiento enzimatico de pulpa para fabricacion de lyocell - Google Patents

Tratamiento enzimatico de pulpa para fabricacion de lyocell

Info

Publication number
AR069928A1
AR069928A1 ARP080105662A ARP080105662A AR069928A1 AR 069928 A1 AR069928 A1 AR 069928A1 AR P080105662 A ARP080105662 A AR P080105662A AR P080105662 A ARP080105662 A AR P080105662A AR 069928 A1 AR069928 A1 AR 069928A1
Authority
AR
Argentina
Prior art keywords
pulp
lyocell
manufacturing
pulp treatment
bleaching sequence
Prior art date
Application number
ARP080105662A
Other languages
English (en)
Inventor
Luo Mengkui
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 AR069928A1 publication Critical patent/AR069928A1/es

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

Esto permite mayor rendimiento de fibra y economía de fabricacion. Reivindicacion 1: Un método para preparar una pulpa Lyocell que comprende las etapas de proveer una pulpa no blanqueada; en donde dicha pulpa tiene una IV de desde 10 a 5 dl/g; poner en contacto dicha pulpa en una secuencia de blanqueado; en donde dicha secuencia de blanqueado tiene al menos una etapa de un tratamiento con enzimas; en donde dicha secuencia de blanqueado que tiene al menos un tratamiento con enzimas reduce dicha pulpa de 8 a 2 unidades de IV; y en donde dicha pulpa blanqueada es adecuada para la fabricacion de Lyocell.
ARP080105662A 2007-12-31 2008-12-22 Tratamiento enzimatico de pulpa para fabricacion de lyocell AR069928A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
AR069928A1 true AR069928A1 (es) 2010-03-03

Family

ID=40786669

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP080105662A AR069928A1 (es) 2007-12-31 2008-12-22 Tratamiento enzimatico de pulpa para fabricacion de lyocell

Country Status (4)

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

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101694019B (zh) * 2009-09-30 2011-08-10 上海里奥纤维企业发展有限公司 溶剂法高湿模量竹纤维及其制备方法
TWI392781B (zh) * 2009-12-31 2013-04-11 Preparation of Natural Cellulose Nonwoven by Wet Spunbond Method
TWI392779B (zh) * 2009-12-31 2013-04-11 A method for preparing natural cellulose nonwoven fabric by wet meltblowing
TWI392780B (zh) * 2009-12-31 2013-04-11 Wet melt with a mold, antibacterial and deodorant function of cellulose non-woven system
CN102127840B (zh) * 2010-01-13 2014-07-16 聚隆纤维股份有限公司 使用湿式纺黏方式制备天然纤维素不织布的方法
CN102127842B (zh) * 2010-01-13 2014-07-16 聚隆纤维股份有限公司 使用湿式熔喷方式制备天然纤维素不织布的方法
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 (de) 2013-04-05 2014-10-15 Lenzing Akiengesellschaft Polysaccharidfaser und Verfahren zu ihrer Herstellung
AT514136A1 (de) * 2013-04-05 2014-10-15 Lenzing Akiengesellschaft Polysaccharidfaser mit erhöhtem Fibrillationsvermögen und Verfahren zu ihrer Herstellung
AT514123B1 (de) 2013-04-10 2015-06-15 Lenzing Akiengesellschaft Polysaccharidfilm und Verfahren zu seiner Herstellung
AT514468A1 (de) 2013-06-17 2015-01-15 Lenzing Akiengesellschaft Hochsaugfähige Polysaccharidfaser und ihre Verwendung
AT514474B1 (de) 2013-06-18 2016-02-15 Chemiefaser Lenzing Ag Polysaccharidfaser und Verfahren zu ihrer Herstellung
US20150184338A1 (en) 2013-12-31 2015-07-02 Weyerhaeuser Nr Company Treated kraft pulp compositions and methods of making the same
US9771687B2 (en) 2016-02-25 2017-09-26 International Paper Company Crosslinked cellulose as precursor in production of high-grade cellulose derivatives and related technology
EP3423617B1 (en) * 2016-03-07 2019-04-10 Veritas Tekstil Konfeksiyon Pazarlama Sanayi ve Ticaret Anonim Sirketi Production of water-soluble regenerated fiber from calluna vulgaris plant species
EP3536851A1 (en) * 2018-03-06 2019-09-11 Lenzing Aktiengesellschaft Lyocell fiber with increased tendency to fibrillate
FI129226B (fi) 2018-05-15 2021-09-30 Metsae Fibre Oy Menetelmä paperisellun esikäsittelemiseksi
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

Family Cites Families (7)

* 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
US6210801B1 (en) * 1996-08-23 2001-04-03 Weyerhaeuser Company Lyocell fibers, and compositions for making same
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
WO1999016960A1 (en) * 1997-10-01 1999-04-08 Weyerhaeuser Company Cellulose treatment and the resulting product
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 (zh) * 2002-03-06 2007-10-31 埃欧金生物制品公司 化学纸浆的木聚糖酶处理
US6833187B2 (en) * 2003-04-16 2004-12-21 Weyerhaeuser Company Unbleached pulp for lyocell products

Also Published As

Publication number Publication date
WO2009088635A3 (en) 2009-09-03
US20090165969A1 (en) 2009-07-02
CL2008003884A1 (es) 2009-12-18
WO2009088635A2 (en) 2009-07-16

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Legal Events

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FA Abandonment or withdrawal