CA2421397A1 - Matieres lignocellulosiques stables a la lumiere et leur production - Google Patents

Matieres lignocellulosiques stables a la lumiere et leur production Download PDF

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Publication number
CA2421397A1
CA2421397A1 CA002421397A CA2421397A CA2421397A1 CA 2421397 A1 CA2421397 A1 CA 2421397A1 CA 002421397 A CA002421397 A CA 002421397A CA 2421397 A CA2421397 A CA 2421397A CA 2421397 A1 CA2421397 A1 CA 2421397A1
Authority
CA
Canada
Prior art keywords
pulp
amino
pulps
btmp
tempo
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
CA002421397A
Other languages
English (en)
Inventor
Thomas Q. Hu
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.)
Pulp and Paper Research Institute of Canada
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2421397A1 publication Critical patent/CA2421397A1/fr
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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1047—Conserving the bleached pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

L'invention concerne un nouveau procédé de production de matières lignocellulosiques stables à la lumière, et plus particulièrement, un procédé de production de pâtes mécaniques présentant une stabilité à la lumière nettement améliorée, ainsi que les pâtes à stabilité à la lumière améliorée obtenues et les papiers contenant ces pâtes. Ce nouveau procédé consiste à faire réagir des matières lignocellulosiques, telle que de la pâte thermomécanique blanchie, avec un inhibiteur du jaunissement sensible aux fibres hydrosoluble renfermant un groupe fonctionnel amine primaire ou secondaire (-NH¿2? ou -NHR) dans un milieu aqueux, ou avec un photostabilisant à blocage amine sensible aux fibres hydrosoluble renfermant un groupe fonctionnel amine primaire ou secondaire (-NH¿2? ou -NHR) dans un milieu de blanchiment utilisant du peroxyde d'hydrogène dans les séquences d'extraction alcaline ou dans un milieu aqueux avec un blanchiment ultérieur des matières dans un milieu de blanchiment utilisant du peroxyde d'hydrogène dans les séquences d'extraction alcaline. Des exemples de ces inhibiteurs de jaunissement sensibles aux fibres hydrosolubles et de ces photostabilisants à blocage amine sont les 4-amino-2,2,6,6-tetraméthylpipéridine-N-oxyl (4-amino-TEMPO) et 4-amino-2,2,6,6-tetraméthylpipéridine, respectivement, disponibles dans le commerce.
CA002421397A 2000-09-18 2001-09-12 Matieres lignocellulosiques stables a la lumiere et leur production Abandoned CA2421397A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US23343400P 2000-09-18 2000-09-18
US60/233,434 2000-09-18
US26988601P 2001-02-21 2001-02-21
US60/269,886 2001-02-21
PCT/CA2001/001295 WO2002025007A2 (fr) 2000-09-18 2001-09-12 Matieres lignocellulosiques stables a la lumiere et leur production

Publications (1)

Publication Number Publication Date
CA2421397A1 true CA2421397A1 (fr) 2002-03-28

Family

ID=26926919

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002421397A Abandoned CA2421397A1 (fr) 2000-09-18 2001-09-12 Matieres lignocellulosiques stables a la lumiere et leur production

Country Status (4)

Country Link
US (1) US20020056534A1 (fr)
AU (1) AU2001291551A1 (fr)
CA (1) CA2421397A1 (fr)
WO (1) WO2002025007A2 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6789744B2 (en) * 2002-01-29 2004-09-14 Valeo Electrical Systems, Inc. Fluid heater with a variable mass flow path
US7384504B2 (en) 2002-10-23 2008-06-10 Fpinnovations Light-stable and process-stable lignocellulosic materials and their production
KR101114272B1 (ko) * 2003-02-26 2012-03-28 시바 홀딩 인크 수 혼화성의 입체적으로 속박된 하이드록시 치환된 알콕시아민
US7550599B2 (en) * 2003-02-26 2009-06-23 Ciba Specialty Chemicals Corporation Water compatible sterically hindered alkoxyamines and hydroxy substituted alkoxyamines
US7125469B2 (en) * 2003-10-16 2006-10-24 The Procter & Gamble Company Temporary wet strength resins
FI20031904A (fi) * 2003-12-23 2005-06-24 Kemira Oyj Menetelmä lignoselluloosatuotteen muokkaamiseksi
WO2005082974A1 (fr) * 2004-02-26 2005-09-09 Pulp And Paper Research Institute Of Canada Polymeres a base d'epichlorohydrine contenant des groupes amino primaires utilises comme additifs dans la fabrication du papier
JP4963472B2 (ja) * 2005-02-15 2012-06-27 チバ ホールディング インコーポレーテッド 天然複合材の安定化
US7259218B2 (en) * 2005-02-17 2007-08-21 The Procter + Gamble Company Processes for making temporary wet strength additives
CN102414277A (zh) * 2009-03-20 2012-04-11 Fp创新研究中心 具有新颖性质的纤维素材料
JP6557977B2 (ja) * 2015-01-15 2019-08-14 Jnc株式会社 含窒素環化合物を含有する液晶組成物および液晶表示素子
CN113389085B (zh) * 2021-06-29 2023-02-10 王晓光 一种绿色环保化机浆浸泡添加剂及其用于秸秆制浆的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832277A (en) * 1972-02-24 1974-08-27 Fmc Corp Hydroxylamine treated hemicellulose-containing regenerated cellulose product
US5080754A (en) * 1990-07-20 1992-01-14 The Research Foundation Of State University Of Ny Method for reducing brightness reversion in lignin-containing pulps and article of manufacture thereof
JPH0713290A (ja) * 1993-06-22 1995-01-17 Fuji Photo Film Co Ltd ハロゲン化銀写真感光材料
US5360515A (en) * 1993-08-25 1994-11-01 The Research Foundation Of The State University Of New York Method for reducing thermal and light-induced brightness reversion in lignin-containing pulps
AU723502B2 (en) * 1997-07-23 2000-08-31 Ciba Specialty Chemicals Holding Inc. Inhibition of pulp and paper yellowing using nitroxides and other coadditives

Also Published As

Publication number Publication date
WO2002025007A2 (fr) 2002-03-28
WO2002025007A3 (fr) 2002-05-10
US20020056534A1 (en) 2002-05-16
AU2001291551A1 (en) 2002-04-02

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued