WO1997036052A3 - Paper products having wet strength from aldehyde-functionalized cellulosic fibers and polymers - Google Patents

Paper products having wet strength from aldehyde-functionalized cellulosic fibers and polymers Download PDF

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Publication number
WO1997036052A3
WO1997036052A3 PCT/US1997/004834 US9704834W WO9736052A3 WO 1997036052 A3 WO1997036052 A3 WO 1997036052A3 US 9704834 W US9704834 W US 9704834W WO 9736052 A3 WO9736052 A3 WO 9736052A3
Authority
WO
WIPO (PCT)
Prior art keywords
paper products
polysaccharide
cellulosic fibers
aldehyde
hydroxyl groups
Prior art date
Application number
PCT/US1997/004834
Other languages
French (fr)
Other versions
WO1997036052A2 (en
Inventor
David Jay Smith
Michael Martyn Headlam
Original Assignee
Procter & Gamble
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24497579&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1997036052(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Procter & Gamble filed Critical Procter & Gamble
Priority to CA002250175A priority Critical patent/CA2250175C/en
Priority to DE69713876T priority patent/DE69713876T2/en
Priority to EP97916218A priority patent/EP0889997B1/en
Priority to JP53456697A priority patent/JP3180131B2/en
Priority to KR1019980707720A priority patent/KR100304216B1/en
Priority to BR9710949-5A priority patent/BR9710949A/en
Priority to AU23453/97A priority patent/AU2345397A/en
Publication of WO1997036052A2 publication Critical patent/WO1997036052A2/en
Publication of WO1997036052A3 publication Critical patent/WO1997036052A3/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
    • D21C9/001—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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • 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
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/20—Chemically or biochemically modified fibres
    • 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
    • D21H21/18—Reinforcing agents
    • D21H21/20—Wet strength agents

Abstract

Paper products having high initial wet strengths are disclosed. The paper products comprise cellulosic fibers having free aldehyde groups, which fibers are combined with a water-soluble polymer having functional groups that are reacted with the aldehyde groups to form bonds joining the fibers. In a preferred embodiment, the cellulosic fibers contain a polysaccharide in which the hydroxyl groups of at least a portion of the repeating units of the polysaccharide are cis-hydroxyl groups, preferred repeating units being mannose and/or galactose. Similarly, the water-soluble polymer is preferably a polysaccharide in which the hydroxyl groups of at least a portion of the repeating units of the polysaccharide are cis-hydroxyl groups. Preferred polysaccharides are derived from one or more sugars selected from mannose, galactose, allose, altrose, gulose, talose and lyxose.
PCT/US1997/004834 1996-03-28 1997-03-25 Paper products having wet strength from aldehyde-functionalized cellulosic fibers and polymers WO1997036052A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CA002250175A CA2250175C (en) 1996-03-28 1997-03-25 Paper products having wet strength from aldehyde-functionalized cellulosic fibers and polymers
DE69713876T DE69713876T2 (en) 1996-03-28 1997-03-25 WATERPROOF PAPER PRODUCTS MADE OF ALDEHYDE-FUNCTIONALIZED CELLULOSE FIBERS AND POLYMERS
EP97916218A EP0889997B1 (en) 1996-03-28 1997-03-25 Paper products having wet strength from aldehyde-functionalized cellulosic fibers and polymers
JP53456697A JP3180131B2 (en) 1996-03-28 1997-03-25 Wet strength paper products made from cellulosic fibers and polymers functionalized with aldehydes
KR1019980707720A KR100304216B1 (en) 1996-03-28 1997-03-25 Paper products with wet strength made from aldehyde-functionalized cellulose fibers and polymers
BR9710949-5A BR9710949A (en) 1996-03-28 1997-03-25 Paper products having wet resistance from fibers and cellulosic polymers functionalized by aldehyde
AU23453/97A AU2345397A (en) 1996-03-28 1997-03-25 Paper products having wet strength from aldehyde-functionalized cellulosic fibers and polymers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62330996A 1996-03-28 1996-03-28
US08/623,309 1996-03-28

Publications (2)

Publication Number Publication Date
WO1997036052A2 WO1997036052A2 (en) 1997-10-02
WO1997036052A3 true WO1997036052A3 (en) 1997-11-27

Family

ID=24497579

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/004834 WO1997036052A2 (en) 1996-03-28 1997-03-25 Paper products having wet strength from aldehyde-functionalized cellulosic fibers and polymers

Country Status (9)

Country Link
US (1) US6319361B1 (en)
EP (1) EP0889997B1 (en)
JP (1) JP3180131B2 (en)
KR (1) KR100304216B1 (en)
AU (1) AU2345397A (en)
BR (1) BR9710949A (en)
DE (1) DE69713876T2 (en)
ES (1) ES2179320T3 (en)
WO (1) WO1997036052A2 (en)

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JPH11507109A (en) 1999-06-22
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AU2345397A (en) 1997-10-17
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JP3180131B2 (en) 2001-06-25
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