CA2483011A1 - Method for making tissue and towel products containing crosslinked cellulosic fibers - Google Patents

Method for making tissue and towel products containing crosslinked cellulosic fibers Download PDF

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Publication number
CA2483011A1
CA2483011A1 CA 2483011 CA2483011A CA2483011A1 CA 2483011 A1 CA2483011 A1 CA 2483011A1 CA 2483011 CA2483011 CA 2483011 CA 2483011 A CA2483011 A CA 2483011A CA 2483011 A1 CA2483011 A1 CA 2483011A1
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CA
Canada
Prior art keywords
product
kraft pulp
pulp fibers
percent
mat
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
CA 2483011
Other languages
French (fr)
Other versions
CA2483011C (en
Inventor
David G. Marsh
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.)
Weyerhaeuser NR Co
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 CA2483011A1 publication Critical patent/CA2483011A1/en
Application granted granted Critical
Publication of CA2483011C publication Critical patent/CA2483011C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/14—Making cellulose wadding, filter or blotting paper
    • D21F11/145—Making cellulose wadding, filter or blotting paper including a through-drying process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/14—Making cellulose wadding, filter or blotting paper
    • 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
    • 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • 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
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/04—Kraft or sulfate pulp
    • 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
    • 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31989—Of wood
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31993—Of paper

Landscapes

  • Paper (AREA)

Abstract

The invention relates to a fibrous product, in particular tissue and towel products, comprising crosslinked cellulosic fibers and softwood kraft pulp fibers having a hemicellulose content greaterthan about 17 percent as measured by the 18 percent caustic solubility test. Methods for making said products from an aqueous furnish comprising said fibers are described.

Claims (29)

1. A fibrous product, comprising crosslinked cellulosic fibers and softwood kraft pulp fibers having a hemicellulose content greater than about 17 percent as measured by the 18 percent caustic solubility test.
2. The product of Claim 1, wherein the crosslinked cellulosic fibers are present in an amount from about 3 to about 25 percent by weight based on the total weight of the product.
3. The product of Claim 1, wherein the softwood kraft pulp fibers are present in an amount from about 10 to about 97 percent by weight based on the total weight of the product.
4. The product of Claim 1, wherein the softwood kraft pulp fibers comprise northern bleached softwood kraft pulp fibers.
5. The product of Claim l, further comprising hardwood kraft pulp fibers.
6. The product of Claim 5, wherein the hardwood kraft pulp fibers are present in an amount from about 2 to about 70 percent by weight based on the total weight of the product.
7. The product of Claim 5, wherein the hardwood kraft pulp fibers are at least one of aspen, maple, birch, or eucalyptus kraft pulp fibers.
8. The product of Claim 1, further comprising a wet strength agent.
9. The product of Claim 1, wherein the product is at least one of a tissue or a towel.
10. The product of Claim 1, wherein the product comprises two or more plies.
11. The product of Claim 1, wherein the product comprises two or more layers within a ply.
12. A method for making a fibrous product, comprising (a) depositing a fibrous furnish onto a forming wire, wherein the fibrous furnish comprises crosslinked cellulosic fibers and softwood kraft pulp fibers having a hemicellulose content greater than about 17 percent as measured by the 18 percent caustic solubility test;
(b) dewatering the deposited furnish to provide a mat;
(c) drying the mat to provide a fibrous product.
13. The method of Claim 12, wherein the crosslinked cellulosic fibers are present in an amount from about 3 to about 25 percent by weight based on the total weight of the product.
14. The method of Claim 12, wherein the softwood kraft pulp fibers are present in an amount from about 10 to about 97 percent by weight based on the total weight of the product.
15. The method of Claim 12, wherein the softwood kraft pulp fibers comprise northern bleached softwood kraft pulp fibers.
16. The method of Claim 12, wherein the furnish further comprises hardwood kraft pulp fibers.
17. The method of Claim 16, wherein the hardwood kraft pulp fibers are present in an amount from about 2 to about 70 percent by weight based on the total weight of the product.
18. The method of Claim 16, wherein the hardwood kraft pulp fibers are at least one of aspen, maple, birch, or eucalyptus kraft pulp fibers.
19. The method of Claim 12, wherein the furnish further comprises a wet strength agent.
20. The method of Claim 12, wherein the product is at least one of a tissue or a towel.
21. A method for making a fibrous product, comprising (a) depositing a fibrous furnish onto a forming wire to provide a mat, wherein the fibrous furnish comprises crosslinked cellulosic fibers and softwood kraft pulp fibers having a hemicellulose content greater than about 17 percent as measured by the 18 percent caustic solubility test;

(b) conveying the mat to a suction press roll;
(c) advancing the mat from the suction press roll onto a cylindrical dryer;
(d) creping the mat from the dryer to provide a creped mat; and (e) winding the creped mat into a roll.
22. The method of Claim 21, wherein depositing the furnish onto the forming wire comprises depositing the furnish from a headbox having single or multi-layer capacity.
23. The method of Claim 21, wherein the mat comprises two-layers.
24. The method of Claim 21, wherein the mat comprises three-layers.
25. The method of Claim 21, wherein the creped mat is at least one of a tissue or a towel.
26. The method of Claim 21, wherein the furnish further comprises hardwood kraft pulp fibers.
27. The method of Claim 21, wherein the crosslinked cellulosic fibers are present in an amount from about 3 to about 25 percent by weight based on the total weight of the product.
28. The method of Claim 21, wherein the softwood kraft pulp fibers are present in an amount from about 10 to about 97 percent by weight based on the total weight of the product.
29. The method of Claim 26, wherein the hardwood kraft pulp fibers are present in an amount from about 2 to about 70 percent by weight based on the total weight of the product.
CA 2483011 2002-04-25 2003-04-25 Method for making tissue and towel products containing crosslinked cellulosic fibers Expired - Fee Related CA2483011C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US37596402P 2002-04-25 2002-04-25
US60/375,964 2002-04-25
PCT/US2003/012952 WO2003091500A1 (en) 2002-04-25 2003-04-25 Method for making tissue and towel products containing crosslinked cellulosic fibers

Publications (2)

Publication Number Publication Date
CA2483011A1 true CA2483011A1 (en) 2003-11-06
CA2483011C CA2483011C (en) 2010-02-09

Family

ID=29270735

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2483011 Expired - Fee Related CA2483011C (en) 2002-04-25 2003-04-25 Method for making tissue and towel products containing crosslinked cellulosic fibers

Country Status (8)

Country Link
US (2) US6837972B2 (en)
EP (1) EP1518020A1 (en)
JP (1) JP4248413B2 (en)
CN (1) CN1316121C (en)
AU (1) AU2003239178A1 (en)
CA (1) CA2483011C (en)
MX (1) MXPA04010609A (en)
WO (1) WO2003091500A1 (en)

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Also Published As

Publication number Publication date
JP4248413B2 (en) 2009-04-02
US6821388B2 (en) 2004-11-23
WO2003091500A1 (en) 2003-11-06
MXPA04010609A (en) 2004-12-13
CN1650068A (en) 2005-08-03
CA2483011C (en) 2010-02-09
EP1518020A1 (en) 2005-03-30
JP2005524003A (en) 2005-08-11
US6837972B2 (en) 2005-01-04
US20030201083A1 (en) 2003-10-30
US20030203195A1 (en) 2003-10-30
AU2003239178A1 (en) 2003-11-10
CN1316121C (en) 2007-05-16

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