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BR0115657A - Cellulose fibers having low water retention value and low capillary desorption pressure - Google Patents

Cellulose fibers having low water retention value and low capillary desorption pressure

Info

Publication number
BR0115657A
BR0115657A BR0115657A BR0115657A BR0115657A BR 0115657 A BR0115657 A BR 0115657A BR 0115657 A BR0115657 A BR 0115657A BR 0115657 A BR0115657 A BR 0115657A BR 0115657 A BR0115657 A BR 0115657A
Authority
BR
Brazil
Prior art keywords
fibers
cellulose fibers
low
water retention
low water
Prior art date
Application number
BR0115657A
Other languages
Portuguese (pt)
Inventor
David Jay Smith
Howard Leon Schoggen
Robert Irvin Bell
James R Gross
Original Assignee
Bki Holding Corp
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 Bki Holding Corp filed Critical Bki Holding Corp
Publication of BR0115657A publication Critical patent/BR0115657A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • 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
    • 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
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249962—Void-containing component has a continuous matrix of fibers only [e.g., porous paper, etc.]
    • Y10T428/249964—Fibers of defined composition
    • Y10T428/249965—Cellulosic
    • 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
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2964—Artificial fiber or filament

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (AREA)
  • Hematology (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

"FIBRAS DE CELULOSE TENDO VALOR BAIXO DE RETENçãO DE áGUA E BAIXA PRESSãO DE DESSORçãO CAPILAR". A invenção presente provê fibras de celulose tendo baixas pressões de dessorção mediana e baixa retenção de água (WRV) , que exibem propriedades de drenagem e fluxo de fluido melhoradas. Estas fibras são particularmente bem apropriadas para uso em camadas de aquisição, distribuição, e aquisição/distribuição, ou em estruturas de núcleo absorvente. Uma incorporação da invenção é um método para preparar fibras de celulose refinando as fibras de celulose até uma liberdade variando de cerca de 300 até cerca de 700 mL CSF e reticulando as fibras refinadas. outra incorporação da invenção são fibras reticuladas com pelo menos um ácido dicarboxílico saturado, ácido dicarboxílico aromático, ácido dicarboxílico de cicloalquila, ácido monocarboxílico bifuncional, ou ácido carboxílico de amina. Um facilitador de reticulação, tal como ácido oxálico, pode estar presente durante a reação de reticulação para melhorar a eficácia do agente reticulador. Outra incorporação ainda da invenção e um núcleo absorvente compreendendo partículas de SAP e fibras reticuladas reversíveis."CELLULOSE FIBERS HAVING LOW WATER RETENTION VALUE AND LOW CAPILLARY DESSORATION PRESSURE". The present invention provides cellulose fibers having low median desorption pressures and low water retention (WRV), which exhibit improved drainage and fluid flow properties. These fibers are particularly well suited for use in acquisition, distribution, and acquisition / distribution layers, or absorbent core structures. One embodiment of the invention is a method for preparing cellulose fibers by refining the cellulose fibers to a freedom ranging from about 300 to about 700 mL CSF and cross-linking the refined fibers. Another embodiment of the invention is crosslinked fibers with at least one saturated dicarboxylic acid, aromatic dicarboxylic acid, cycloalkyl dicarboxylic acid, bifunctional monocarboxylic acid, or amine carboxylic acid. A crosslinking facilitator such as oxalic acid may be present during the crosslinking reaction to improve the effectiveness of the crosslinking agent. Still another embodiment of the invention is an absorbent core comprising SAP particles and reversible crosslinked fibers.

BR0115657A 2000-11-10 2001-11-08 Cellulose fibers having low water retention value and low capillary desorption pressure BR0115657A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US24707800P 2000-11-10 2000-11-10
US28629801P 2001-04-25 2001-04-25
PCT/US2001/047513 WO2002038860A2 (en) 2000-11-10 2001-11-08 Crosslinked cellulose fibers

Publications (1)

Publication Number Publication Date
BR0115657A true BR0115657A (en) 2003-09-23

Family

ID=26938439

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0115657A BR0115657A (en) 2000-11-10 2001-11-08 Cellulose fibers having low water retention value and low capillary desorption pressure

Country Status (9)

Country Link
US (1) US20020090511A1 (en)
EP (1) EP1332259A2 (en)
JP (1) JP2004523665A (en)
CN (1) CN1478164A (en)
AU (1) AU2002236600A1 (en)
BR (1) BR0115657A (en)
CA (1) CA2428286A1 (en)
MX (1) MXPA03004124A (en)
WO (1) WO2002038860A2 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995026441A1 (en) * 1994-03-25 1995-10-05 Weyerhaeuser Company Multi-ply cellulosic products using high-bulk cellulosic fibers
US20050145350A1 (en) * 2003-12-30 2005-07-07 Weyerhaeuser Company Individualized intrafiber crosslinked cellulosic fibers with improved brightness and color
US6986793B2 (en) * 2004-03-31 2006-01-17 Weyerhaeuser Company Method for making bleached crosslinked cellulosic fibers with high color and brightness
US20050217812A1 (en) * 2004-03-31 2005-10-06 Weyerhaeuser Company Bleached crosslinked cellulosic fibers with high color and brightness
CA2603421C (en) 2005-04-01 2013-05-21 James R. Gross Nonwoven material for acoustic insulation, and process for manufacture
CA2619929A1 (en) 2005-09-06 2007-03-15 Tyco Healthcare Group Lp Self contained wound dressing with micropump
JP4827528B2 (en) * 2005-12-28 2011-11-30 花王株式会社 Sheet base material for wet sheets
FI20086013A7 (en) * 2008-10-24 2010-04-25 Oy Keskuslaboratorio Centrallaboratorium Ab Method for producing modified fiber products
WO2012057751A1 (en) * 2010-10-27 2012-05-03 Empire Technology Development Llc Crosslinked cellulosic polymers
AU2012282287B2 (en) 2011-07-14 2017-06-01 Smith & Nephew Plc Wound dressing and method of treatment
JP6400570B2 (en) 2012-05-23 2018-10-10 スミス アンド ネフュー ピーエルシーＳｍｉｔｈ ＆ Ｎｅｐｈｅｗ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ Apparatus and method for local negative pressure closure therapy
EP3406231B1 (en) 2012-08-01 2022-04-13 Smith & Nephew plc Wound dressing and method of treatment
JP6307504B2 (en) 2012-08-01 2018-04-04 スミス アンド ネフュー ピーエルシーＳｍｉｔｈ ＆ Ｎｅｐｈｅｗ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ Wound dressing
US20150224210A1 (en) * 2012-08-23 2015-08-13 Japan Science And Technology Agency Carbon nanomaterial, composition, conductive material, and method of producing the same
JP6424404B2 (en) 2012-10-02 2018-11-21 国立研究開発法人科学技術振興機構 Signal detection apparatus and signal detection method
JP6120590B2 (en) * 2013-02-01 2017-04-26 国立大学法人京都大学 Modified nanocellulose and resin composition containing modified nanocellulose
US10610414B2 (en) 2014-06-18 2020-04-07 Smith & Nephew Plc Wound dressing and method of treatment
US9458297B2 (en) 2014-06-30 2016-10-04 Weyerhaeuser Nr Company Modified fiber, methods, and systems
GB2555584B (en) 2016-10-28 2020-05-27 Smith & Nephew Multi-layered wound dressing and method of manufacture
CN112480887B (en) * 2021-01-26 2023-02-28 陕西延长石油（集团）有限责任公司 Temperature-sensitive gel plugging agent based on cellulose and preparation method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK245488D0 (en) * 1988-05-05 1988-05-05 Danaklon As SYNTHETIC FIBER AND PROCEDURES FOR PRODUCING THEREOF
US5190563A (en) * 1989-11-07 1993-03-02 The Proctor & Gamble Co. Process for preparing individualized, polycarboxylic acid crosslinked fibers
US5149335A (en) * 1990-02-23 1992-09-22 Kimberly-Clark Corporation Absorbent structure
NZ268535A (en) * 1993-06-30 1998-05-27 Procter & Gamble Absorbent article comprising layers of superabsorbent material
EP0708119A1 (en) * 1994-10-21 1996-04-24 Air Products And Chemicals, Inc. Self-crosslinking, aqueous absorbent polymer compositions
US6419789B1 (en) * 1996-10-11 2002-07-16 Fort James Corporation Method of making a non compacted paper web containing refined long fiber using a charge controlled headbox and a single ply towel made by the process
US6059924A (en) * 1998-01-02 2000-05-09 Georgia-Pacific Corporation Fluffed pulp and method of production
US6228506B1 (en) * 1998-03-16 2001-05-08 Natural Resources Canada Cellulose/polymer composite enthalpy exchanger and method for its manufacture
US6300259B1 (en) * 1999-04-26 2001-10-09 Weyerhaeuser Company Crosslinkable cellulosic fibrous product

Also Published As

Publication number Publication date
AU2002236600A1 (en) 2002-05-21
EP1332259A2 (en) 2003-08-06
CN1478164A (en) 2004-02-25
US20020090511A1 (en) 2002-07-11
CA2428286A1 (en) 2002-05-16
JP2004523665A (en) 2004-08-05
WO2002038860A2 (en) 2002-05-16
MXPA03004124A (en) 2004-02-12
WO2002038860A3 (en) 2003-04-03

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]