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CO5241275A1 - Estructura absorbente de alta resistencia - Google Patents

Estructura absorbente de alta resistencia

Info

Publication number
CO5241275A1
CO5241275A1 CO00001054A CO00001054A CO5241275A1 CO 5241275 A1 CO5241275 A1 CO 5241275A1 CO 00001054 A CO00001054 A CO 00001054A CO 00001054 A CO00001054 A CO 00001054A CO 5241275 A1 CO5241275 A1 CO 5241275A1
Authority
CO
Colombia
Prior art keywords
sheet
layer
binder
fluid communication
natural fibers
Prior art date
Application number
CO00001054A
Other languages
English (en)
Inventor
K Dutkiewicz Jacek
Wahal Sanjay
K Hook Ryan
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 CO5241275A1 publication Critical patent/CO5241275A1/es

Links

Classifications

    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/02—Layered products comprising a layer of synthetic resin in the form of fibres or filaments
    • 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
    • A61F13/535—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 inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/04—Layered products comprising a layer of synthetic resin as impregnant, bonding, or embedding substance
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • Y10T428/23—Sheet including cover or casing
    • Y10T428/239—Complete cover or casing
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/647—Including a foamed layer or component
    • Y10T442/652—Nonwoven fabric is coated, impregnated, or autogenously bonded
    • Y10T442/653—Including particulate material other than fiber
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/659—Including an additional nonwoven fabric
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/659—Including an additional nonwoven fabric
    • Y10T442/673—Including particulate material other than fiber

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Paper (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

Una estructura absorbente que tiene una integridad húmeda mayor que 4,0 kN/gm2, una suavidad mayor que 8,0/J, una flexibilidad mayor que 70/N y que provee una superficie sustancialmente seca que acepta el líquido luego de recibir una cantidad de líquido, dicha estructura comprende: a) una lámina superior que tiene una superficie superior receptora de fluido y una superficie inferior y comprende: i) un estrato superior que comprende fibras de matriz sintéticas unida con un aglutinante, dichas fibras de matriz tienen una longitud de entre 2 y 15 milímetros; ii) un estrato medio en comunicación fluida con el estrato superior, el estrato medio incluye fibras naturales, partículas superabsorbentes y un aglutinante; y iii) un estrato inferior en comunicación fluida con el estrato medio, el estrato inferior incluye fibras naturales y un aglutinante; y b) una lámina inferior en comunicación fluida con la lámina superior, la lámina inferior tiene una superficie superior y una superficie inferior e incluye al menos un estrato que incluye fibras naturales, partículas de polímeros superabsorbentes y un aglutinante, en donde la superficie inferior de la lámina superior tiene un área de superficie menor que un 80% del área de superficie superior de la lámina inferior; c) el peso base del estracto superior de la lámina superior es de entre 20 gm2 a 120 gm2; ...<EMI FILE="00001054_1" ID="1" IMF=JPEG >
CO00001054A 1999-01-11 2000-01-11 Estructura absorbente de alta resistencia CO5241275A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11603699P 1999-01-11 1999-01-11

Publications (1)

Publication Number Publication Date
CO5241275A1 true CO5241275A1 (es) 2003-01-31

Family

ID=22364859

Family Applications (1)

Application Number Title Priority Date Filing Date
CO00001054A CO5241275A1 (es) 1999-01-11 2000-01-11 Estructura absorbente de alta resistencia

Country Status (14)

Country Link
US (3) US6562742B2 (es)
EP (1) EP1156924A4 (es)
JP (1) JP2002539964A (es)
KR (1) KR20010104323A (es)
CN (2) CN1139482C (es)
AR (1) AR022261A1 (es)
AU (1) AU756631B2 (es)
BR (1) BR0008613A (es)
CA (2) CA2360410C (es)
CO (1) CO5241275A1 (es)
ID (1) ID30088A (es)
MX (1) MXPA01007036A (es)
TW (1) TW491767B (es)
WO (1) WO2000041882A1 (es)

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ID30088A (id) 2001-11-01
CA2657333A1 (en) 2000-07-20
AR022261A1 (es) 2002-09-04
US6562742B2 (en) 2003-05-13
US20030012919A1 (en) 2003-01-16
EP1156924A4 (en) 2011-05-04
US20070152365A1 (en) 2007-07-05
TW491767B (en) 2002-06-21
JP2002539964A (ja) 2002-11-26
CA2657333C (en) 2011-03-29
MXPA01007036A (es) 2002-03-27
CN1139482C (zh) 2004-02-25
BR0008613A (pt) 2001-11-06
CN100486802C (zh) 2009-05-13
WO2000041882A1 (en) 2000-07-20
EP1156924A1 (en) 2001-11-28
US7176149B2 (en) 2007-02-13
AU756631B2 (en) 2003-01-16
AU2501300A (en) 2000-08-01
US20030190852A1 (en) 2003-10-09
KR20010104323A (ko) 2001-11-24
CA2360410A1 (en) 2000-07-20
CA2360410C (en) 2009-06-09
CN1336868A (zh) 2002-02-20
CN1494883A (zh) 2004-05-12

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