CA2181163A1 - Cold caustic extraction of pulps for absorbent products - Google Patents

Cold caustic extraction of pulps for absorbent products

Info

Publication number
CA2181163A1
CA2181163A1 CA002181163A CA2181163A CA2181163A1 CA 2181163 A1 CA2181163 A1 CA 2181163A1 CA 002181163 A CA002181163 A CA 002181163A CA 2181163 A CA2181163 A CA 2181163A CA 2181163 A1 CA2181163 A1 CA 2181163A1
Authority
CA
Canada
Prior art keywords
pulps
absorbent products
caustic extraction
cold caustic
absorbency
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.)
Granted
Application number
CA002181163A
Other languages
French (fr)
Other versions
CA2181163C (en
Inventor
Phyllis Leithem
Charles A. Kremers
Paul W. Harrell
Stephen Lewis
Karl D. Sears
Quan He
Peter R. Abitz
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.)
Rayonier Inc
Original Assignee
Phyllis Leithem
Charles A. Kremers
Paul W. Harrell
Stephen Lewis
Karl D. Sears
Quan He
Peter R. Abitz
Rayonier, Inc.
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 Phyllis Leithem, Charles A. Kremers, Paul W. Harrell, Stephen Lewis, Karl D. Sears, Quan He, Peter R. Abitz, Rayonier, Inc. filed Critical Phyllis Leithem
Publication of CA2181163A1 publication Critical patent/CA2181163A1/en
Application granted granted Critical
Publication of CA2181163C publication Critical patent/CA2181163C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • D21C9/001—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
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/28—Polysaccharides or their derivatives
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes

Abstract

An improved absorbency material for absorbency applications comprised of a cellulosic fibrous material wherein said cellulosic fibrous material such as pulp is a cold alkali solution treated material at a treatment temperature of less than about 50 °C; a process for improving absorbency and other characteristics of said pulp.
CA002181163A 1994-01-21 1995-01-19 Cold caustic extraction of pulps for absorbent products Expired - Fee Related CA2181163C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US18437794A 1994-01-21 1994-01-21
US08/184,377 1994-01-21
US37057195A 1995-01-18 1995-01-18
US08/370,571 1995-01-18
PCT/US1995/000862 WO1995020066A1 (en) 1994-01-21 1995-01-19 Cold caustic extraction of pulps for absorbent products

Publications (2)

Publication Number Publication Date
CA2181163A1 true CA2181163A1 (en) 1995-07-27
CA2181163C CA2181163C (en) 2008-02-19

Family

ID=26880088

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002181163A Expired - Fee Related CA2181163C (en) 1994-01-21 1995-01-19 Cold caustic extraction of pulps for absorbent products

Country Status (5)

Country Link
US (3) US7919667B1 (en)
BR (1) BR9506622A (en)
CA (1) CA2181163C (en)
NO (1) NO322374B1 (en)
WO (1) WO1995020066A1 (en)

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US6749721B2 (en) 2000-12-22 2004-06-15 Kimberly-Clark Worldwide, Inc. Process for incorporating poorly substantive paper modifying agents into a paper sheet via wet end addition
US6582560B2 (en) 2001-03-07 2003-06-24 Kimberly-Clark Worldwide, Inc. Method for using water insoluble chemical additives with pulp and products made by said method
US7749356B2 (en) 2001-03-07 2010-07-06 Kimberly-Clark Worldwide, Inc. Method for using water insoluble chemical additives with pulp and products made by said method
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US7074301B2 (en) * 2002-06-11 2006-07-11 Rayonier Products And Financial Services Company Chemically cross-linked cellulose fiber and method of making same
US20040177935A1 (en) * 2003-03-14 2004-09-16 Hamed Othman A. Method for making chemically cross-linked cellulosic fiber in the sheet form
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AT503610B1 (en) * 2006-05-10 2012-03-15 Chemiefaser Lenzing Ag METHOD FOR PRODUCING A PULP
ES2752755T3 (en) 2009-05-28 2020-04-06 Gp Cellulose Gmbh Kraft chemical fiber modified cellulose and methods of production and use thereof
US9511167B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
US9512563B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Surface treated modified cellulose from chemical kraft fiber and methods of making and using same
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WO2011085038A1 (en) * 2010-01-06 2011-07-14 Sustainable Health Enterprises (She) Highly absorbent and retentive fiber material
WO2011103254A1 (en) * 2010-02-19 2011-08-25 The Procter & Gamble Company Computer based modeling of fibrous materials
WO2011103228A2 (en) * 2010-02-19 2011-08-25 The Procter & Gamble Company Computer based modeling of processed fibrous materials
CA2744250C (en) 2010-05-04 2016-10-11 Bahia Specialty Cellulose Sa Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse
KR20110123184A (en) * 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 Method and system for high alpha dissolving pulp production
US8465624B2 (en) 2010-07-20 2013-06-18 International Paper Company Composition containing a multivalent cationic metal and amine-containing anti-static agent and methods of making and using
CN103003488B (en) 2010-07-22 2015-04-15 国际纸业公司 Process for preparing fluff pulp sheet with cationic dye and debonder surfactant and fluff pulp sheet made from same
US20130018339A1 (en) * 2011-07-12 2013-01-17 Associated Hygienic Products Llc Disposable Absorbent Article Design Utilizing Unbleached Pulp Fibers for the Absorbent Core
FI129086B (en) * 2012-09-14 2021-06-30 Teknologian Tutkimuskeskus Vtt Oy Method of producing dissolving pulp
US9951470B2 (en) 2013-03-15 2018-04-24 Gp Cellulose Gmbh Low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
WO2017029685A2 (en) * 2015-08-19 2017-02-23 Godavari Biorefineries Limited A process for producing cellulose with low impurities from sugarcane bagasse
WO2018144309A1 (en) 2017-01-31 2018-08-09 Kimberly-Clark Worldwide, Inc. High bulk tissue comprising cross-linked fibers
US11473242B2 (en) * 2019-04-01 2022-10-18 International Paper Company Treated pulp and methods of making and using same
PT115563B (en) * 2019-06-03 2022-02-01 Raiz Instituto De Investig Da Floresta E Papel RAW EUCALYPTUS GLOBULUS CELLULOSIC PASTE FOR TISSUE PAPER PRODUCTS

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Also Published As

Publication number Publication date
BR9506622A (en) 1997-09-16
US20110209839A1 (en) 2011-09-01
US7919667B1 (en) 2011-04-05
US8247641B2 (en) 2012-08-21
NO322374B1 (en) 2006-09-25
NO963013L (en) 1996-09-12
WO1995020066A1 (en) 1995-07-27
CA2181163C (en) 2008-02-19
US8497410B2 (en) 2013-07-30
NO963013D0 (en) 1996-07-19
US20020096276A1 (en) 2002-07-25

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Legal Events

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