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BR9803764A - Method of bleaching pulp containing lignin during manufacture - Google Patents

Method of bleaching pulp containing lignin during manufacture

Info

Publication number
BR9803764A
BR9803764A BR9803764-1A BR9803764A BR9803764A BR 9803764 A BR9803764 A BR 9803764A BR 9803764 A BR9803764 A BR 9803764A BR 9803764 A BR9803764 A BR 9803764A
Authority
BR
Brazil
Prior art keywords
during manufacture
pulp containing
containing lignin
pulp
bleaching pulp
Prior art date
Application number
BR9803764-1A
Other languages
Portuguese (pt)
Inventor
Randall Bruce Nelson
Olli Juhani Jokinen
Peter Rohringer
Original Assignee
Ciba Sc Holding Ag
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 Ciba Sc Holding Ag filed Critical Ciba Sc Holding Ag
Publication of BR9803764A publication Critical patent/BR9803764A/en

Links

Classifications

    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
    • 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
    • D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases

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)
  • Detergent Compositions (AREA)

Abstract

Patente de Invenção: "MéTODO DE BRANQUEAR POLPA CONTENDO LIGNINA DURANTE A FABRICAçãO". Um processo para aumentar a brancura de uma polpa contendo lignina é divulgado, o qual compreende adicionar a uma pasta aquosa compreendendo uma polpa contendo lignina, durante a fabricação da polpa, um agente branqueador fluorescente e opcionalmente um agente quelante.Invention Patent: "METHOD OF WHITING PULP CONTAINING LIGNIN DURING MANUFACTURING". A process for increasing the whiteness of a lignin-containing pulp is disclosed, which comprises adding to a watery paste comprising a lignin-containing pulp, during the pulp manufacture, a fluorescent whitening agent and optionally a chelating agent.

BR9803764-1A 1997-08-28 1998-08-27 Method of bleaching pulp containing lignin during manufacture BR9803764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91954997A 1997-08-28 1997-08-28

Publications (1)

Publication Number Publication Date
BR9803764A true BR9803764A (en) 2002-05-14

Family

ID=25442297

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9803764-1A BR9803764A (en) 1997-08-28 1998-08-27 Method of bleaching pulp containing lignin during manufacture

Country Status (9)

Country Link
EP (1) EP0899373A1 (en)
JP (1) JPH11124783A (en)
KR (1) KR19990023911A (en)
CN (1) CN1211655A (en)
AU (1) AU739524B2 (en)
BR (1) BR9803764A (en)
CA (1) CA2245966A1 (en)
ID (1) ID21054A (en)
ZA (1) ZA987782B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9828728B2 (en) 2010-03-19 2017-11-28 Fibria Celulose S/A Methods of making paper and paper with modified cellulose pulps

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US6893473B2 (en) * 2002-05-07 2005-05-17 Weyerhaeuser.Company Whitened fluff pulp
US20080191169A1 (en) * 2004-05-03 2008-08-14 Ciba Specialty Chemicals Holding Inc. Optical Brightening of Substrates for Ink Jet Printing
BRPI0607171A2 (en) * 2005-02-19 2009-08-11 Int Paper Co method for making pulp and / or a paper substrate, pulp, pulp or paper substrate and composition
US7638016B2 (en) * 2005-02-19 2009-12-29 International Paper Company Method for treating kraft pulp with optical brighteners after chlorine bleaching to increase brightness
EP1859253B1 (en) * 2005-03-04 2012-09-12 FPInnovations Method for determining chemical pulp kappa number with visible-near infrared spectrometry, and means therefor
TWI421390B (en) * 2005-04-08 2014-01-01 Nalco Co Improved compositions and processes for paper production
KR100707863B1 (en) * 2005-06-21 2007-04-17 재단법인서울대학교산학협력재단 Paper making with reduced content of fluorescent brightener and its manufacturing method
US7914646B2 (en) 2006-07-21 2011-03-29 Nalco Company Compositions and processes for paper production
BRPI0706958A2 (en) * 2006-01-25 2011-04-12 Buckman Labor Inc method for making paper or cardboard, method for improving optical brightener performance and pulp composition
WO2007104128A1 (en) * 2006-03-13 2007-09-20 Fp Innovations Near-neutral chlorine dioxide bleaching of pulp
KR100856047B1 (en) * 2006-03-28 2008-09-02 재단법인서울대학교산학협력재단 Papermaking and its manufacturing method in which the content of fluorescent brightener is reduced by addition of α-amylase
US7758934B2 (en) 2007-07-13 2010-07-20 Georgia-Pacific Consumer Products Lp Dual mode ink jet paper
CN101182693B (en) * 2007-12-12 2010-06-02 中冶纸业银河有限公司 Method capable of stabilizing paper stuff whiteness
US8298373B2 (en) 2008-02-07 2012-10-30 University Of New Brunswick Combined process of peroxide bleaching of wood pulps and addition of optical brightening agents
BRPI0909518B1 (en) 2008-03-26 2018-11-27 Archroma Ip Gmbh optical brightening compounds, their use and processes for the preparation of said compounds and for the optical brightening of paper
ES2390932T5 (en) 2008-11-27 2020-09-14 Archroma Ip Gmbh Optical Brightening Compositions for High-Quality Inkjet Printing
EP2192231A1 (en) 2008-11-27 2010-06-02 Clariant International Ltd. Improved optical brightening compositions for high quality inkjet printing
EP2270281A1 (en) * 2009-06-25 2011-01-05 Kemira Germany GmbH Process for dyeing pulp
BR112012001857A2 (en) 2009-07-24 2016-03-15 Clariant Finance Bvi Ltd aqueous acid dye solutions for shading in scaled printing applications
TWI506183B (en) 2010-02-11 2015-11-01 Clariant Finance Bvi Ltd Aqueous sizing compositions for shading in size press applications
IT1399896B1 (en) * 2010-04-19 2013-05-09 3V Sigma Spa MIXTURE, COMPOSITION AND PROCESS FOR THE SURFACE TREATMENT OF THE PAPER
CN101962921B (en) * 2010-09-21 2012-07-04 天津科技大学 Method for improving efficiency of fluorescent whitening agent in high yield pulp-containing paper
CN102154926B (en) * 2010-12-09 2012-11-28 山东轻工业学院 Method for improving whiteness of paper
ES2566109T3 (en) 2013-03-21 2016-04-11 Archroma Ip Gmbh Optical brightening agents for high quality inkjet printing
JP2014208922A (en) * 2013-03-27 2014-11-06 セイコーエプソン株式会社 Apparatus for manufacturing sheet and method for manufacturing sheet
CN103806339A (en) * 2014-01-10 2014-05-21 陕西科技大学 Water-soluble paper light stabilizer and preparation and applications thereof
WO2017025862A1 (en) * 2015-08-10 2017-02-16 Basf Se Method for reducing color of lignosulfonates
CN107012732A (en) * 2016-01-28 2017-08-04 德丰铭国际股份有限公司 Fluorescent whitening agent composition
ES2904846T3 (en) 2017-12-22 2022-04-06 Archroma Ip Gmbh Optical brightener to whiten paper
PL3623392T3 (en) 2018-09-14 2024-01-15 Archroma Ip Gmbh Optically brightened latexes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2924549A (en) * 1955-12-15 1960-02-09 Bayer Ag Paper containing an organic fluorescent dye
US4364845A (en) * 1978-07-17 1982-12-21 Ciba-Geigy Corporation Concentrated aqueous solutions of sulfo group-containing fluorescent brighteners which are stable on storage
SE456168C (en) * 1987-02-27 1991-08-12 Mo Och Domsjoe Ab PROCEDURE PROVIDES LIGHTNESS STABILIZATION OF BLACK LIGNIN-CONTENT CELLULOSAMASSA
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
JP3441017B2 (en) * 1994-06-22 2003-08-25 日本化薬株式会社 Method for defluorescence treatment of cellulose fiber, coumarin compound, aqueous liquid composition containing the same, and method for coloring paper and pulp
EP0717143A1 (en) * 1994-12-16 1996-06-19 Lignozym GmbH Multicomponents system for modifying decomposing or bleaching of lignin or materials containing it or similar components and the way to use it
EP0835906B1 (en) * 1996-10-10 2003-11-05 Ciba SC Holding AG Dispersions of optical brightening agents
US5902452A (en) * 1997-03-13 1999-05-11 Taiwan Semiconductor Manufacturing Co., Ltd. Method for etching silicon surface

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9828728B2 (en) 2010-03-19 2017-11-28 Fibria Celulose S/A Methods of making paper and paper with modified cellulose pulps
US10590608B2 (en) 2010-03-19 2020-03-17 Suzano S.A. Methods of making paper and paper with modified cellulose pulps
US11047092B2 (en) 2010-03-19 2021-06-29 Suzano S.A. Methods of making paper and paper with modified cellulose pulps

Also Published As

Publication number Publication date
EP0899373A1 (en) 1999-03-03
CA2245966A1 (en) 1999-02-28
AU739524B2 (en) 2001-10-18
KR19990023911A (en) 1999-03-25
CN1211655A (en) 1999-03-24
AU8195298A (en) 1999-03-11
JPH11124783A (en) 1999-05-11
ID21054A (en) 1999-04-08
ZA987782B (en) 1999-03-01

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Legal Events

Date Code Title Description
B07A Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

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