ZA201308822B - Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same - Google Patents

Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same

Info

Publication number
ZA201308822B
ZA201308822B ZA2013/08822A ZA201308822A ZA201308822B ZA 201308822 B ZA201308822 B ZA 201308822B ZA 2013/08822 A ZA2013/08822 A ZA 2013/08822A ZA 201308822 A ZA201308822 A ZA 201308822A ZA 201308822 B ZA201308822 B ZA 201308822B
Authority
ZA
South Africa
Prior art keywords
brightness
making
methods
same
softwood kraft
Prior art date
Application number
ZA2013/08822A
Other languages
English (en)
Inventor
Arthur J Nonni
Charles E Courchene
Philip R Campbell
Steven C Dowdle
Joel M Engle
Christopher M Slone
Original Assignee
Gp Cellulose Gmbh
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 Gp Cellulose Gmbh filed Critical Gp Cellulose Gmbh
Publication of ZA201308822B publication Critical patent/ZA201308822B/en

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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/123—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with Cl2O
    • 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/04—Kraft or sulfate pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
ZA2013/08822A 2011-05-23 2013-11-22 Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same ZA201308822B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161489245P 2011-05-23 2011-05-23
US201161489594P 2011-05-24 2011-05-24
PCT/US2012/038685 WO2012170183A1 (en) 2011-05-23 2012-05-18 Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same

Publications (1)

Publication Number Publication Date
ZA201308822B true ZA201308822B (en) 2015-02-25

Family

ID=46149020

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2013/08822A ZA201308822B (en) 2011-05-23 2013-11-22 Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same

Country Status (15)

Country Link
US (2) US9719208B2 (https=)
EP (1) EP2714987B1 (https=)
JP (3) JP6254078B2 (https=)
KR (1) KR101918470B1 (https=)
CN (1) CN103703184B (https=)
AU (1) AU2012268700B2 (https=)
BR (1) BR112013030060A2 (https=)
CA (1) CA2836895C (https=)
IL (1) IL229518B (https=)
MX (1) MX353539B (https=)
PL (1) PL2714987T3 (https=)
RU (1) RU2608686C2 (https=)
TW (2) TWI618836B (https=)
WO (1) WO2012170183A1 (https=)
ZA (1) ZA201308822B (https=)

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RU2018117289A (ru) 2013-02-08 2018-10-26 ДжиПи СЕЛЛЬЮЛОУС ГМБХ КРАФТ-ВОЛОКНО ДРЕВЕСИНЫ ХВОЙНЫХ ПОРОД С УЛУЧШЕННЫМ СОДЕРЖАНИЕМ α-ЦЕЛЛЮЛОЗЫ И ЕГО ПРИМЕНЕНИЕ ПРИ ПРОИЗВОДСТВЕ ХИМИЧЕСКИХ ЦЕЛЛЮЛОЗНЫХ ПРОДУКТОВ
RU2671653C2 (ru) * 2013-03-14 2018-11-06 ДжиПи СЕЛЛЬЮЛОУС ГМБХ Способ изготовления высокофункционального маловязкого крафтволокна с использованием последовательности кислотного отбеливания и волокно, изготовленное с помощью этого процесса
CN105143547B (zh) 2013-03-15 2018-05-01 Gp 纤维素股份有限公司 具有增高羧基含量的低粘度牛皮纸纤维及其制造和使用方法
WO2015138335A1 (en) 2014-03-12 2015-09-17 Gp Cellulose Gmbh A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
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EP2714987B1 (en) 2015-07-29
JP6254078B2 (ja) 2017-12-27
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TW201319356A (zh) 2013-05-16
JP6239070B2 (ja) 2017-11-29
IL229518A0 (en) 2014-01-30
CA2836895A1 (en) 2012-12-13
AU2012268700B2 (en) 2017-02-02
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