BR0207743A - Método para aplicar aditivos quìmicos à pasta durante o processamento de pasta e produtos feitos pelo referido método - Google Patents

Método para aplicar aditivos quìmicos à pasta durante o processamento de pasta e produtos feitos pelo referido método

Info

Publication number
BR0207743A
BR0207743A BR0207743-4A BR0207743A BR0207743A BR 0207743 A BR0207743 A BR 0207743A BR 0207743 A BR0207743 A BR 0207743A BR 0207743 A BR0207743 A BR 0207743A
Authority
BR
Brazil
Prior art keywords
fibrous mat
pulp
pulp fibers
chemical additives
chemically treated
Prior art date
Application number
BR0207743-4A
Other languages
English (en)
Inventor
Troy Michael Runge
Louise Cynthia Ellis Coe
Mike Thomas Goulet
Ricardo Toru Nishihata
Vera Maria Sacon
Original Assignee
Kimberly Clark 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 Kimberly Clark Co filed Critical Kimberly Clark Co
Publication of BR0207743A publication Critical patent/BR0207743A/pt

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
    • D21C9/001—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)

Abstract

"MéTODO PARA APLICAR ADITIVOS QUìMICOS à PASTA DURANTE O PROCESSAMENTO DE PASTA E PRODUTOS FEITOS PELO REFERIDO MéTODO". As fibras em pasta podem ser tratadas com aditivos químicos com uma quantidade mínima de aditivos químicos não retidos presentes após na água de processo. A presente invenção é um método para preparar fibra em pasta quimicamente tratada. Uma mistura semifluida de fibra é criada compreendendo água de processo e fibras em pasta. A mistura semifluida de fibra é transportada a um aparelho de formação de manta de uma máquina de folha de pasta formando assim uma manta fibrosa úmida. A manta fibrosa úmida é seca a uma consistência pré-determinada formando assim uma manta fibrosa seca. A manta fibrosa seca é tratada com um aditivo químico formando assim uma manta fibrosa seca quimicamente tratada. A manta fibrosa seca contém fibras em pasta quimicamente tratadas. As fibras em pasta quimicamente tratadas retêm de cerca de 10 a cerca de 100% da quantidade aplicada do aditivo químico quando as fibras em pasta quimicamente tratadas são redispersas em água.
BR0207743-4A 2001-03-07 2002-02-08 Método para aplicar aditivos quìmicos à pasta durante o processamento de pasta e produtos feitos pelo referido método BR0207743A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/800,645 US7749356B2 (en) 2001-03-07 2001-03-07 Method for using water insoluble chemical additives with pulp and products made by said method
PCT/US2002/003810 WO2002072946A2 (en) 2001-03-07 2002-02-08 Method for applying chemical additives to pulp during the pulp processing and products made by said method

Publications (1)

Publication Number Publication Date
BR0207743A true BR0207743A (pt) 2004-06-01

Family

ID=25178952

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0207743-4A BR0207743A (pt) 2001-03-07 2002-02-08 Método para aplicar aditivos quìmicos à pasta durante o processamento de pasta e produtos feitos pelo referido método

Country Status (5)

Country Link
US (2) US7749356B2 (pt)
AU (1) AU2002242137A1 (pt)
BR (1) BR0207743A (pt)
MX (1) MXPA03007662A (pt)
WO (1) WO2002072946A2 (pt)

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US7749356B2 (en) 2010-07-06
MXPA03007662A (es) 2003-12-04
US20100243187A1 (en) 2010-09-30
AU2002242137A8 (en) 2008-01-03
US20020162243A1 (en) 2002-11-07
WO2002072946A3 (en) 2007-10-25
US7993490B2 (en) 2011-08-09
AU2002242137A1 (en) 2002-09-24
WO2002072946A2 (en) 2002-09-19

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