BR0013601A - Pelìculas de camadas múltiplas respiráveis com camadas de pelìcula respiráveis - Google Patents

Pelìculas de camadas múltiplas respiráveis com camadas de pelìcula respiráveis

Info

Publication number
BR0013601A
BR0013601A BR0013601-8A BR0013601A BR0013601A BR 0013601 A BR0013601 A BR 0013601A BR 0013601 A BR0013601 A BR 0013601A BR 0013601 A BR0013601 A BR 0013601A
Authority
BR
Brazil
Prior art keywords
film
breathable
layers
core layer
film layers
Prior art date
Application number
BR0013601-8A
Other languages
English (en)
Other versions
BR0013601B1 (pt
Inventor
Ann Louise Mccormack
William Bela Haffner
Original Assignee
Kimberly Clark Co
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 Kimberly Clark Co filed Critical Kimberly Clark Co
Publication of BR0013601A publication Critical patent/BR0013601A/pt
Publication of BR0013601B1 publication Critical patent/BR0013601B1/pt

Links

Classifications

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    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • 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
    • A61F13/51—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 outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
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    • B32B38/0032—Ancillary operations in connection with laminating processes increasing porosity
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    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C—CHEMISTRY; METALLURGY
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    • A61F13/00—Bandages or dressings; Absorbent pads
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    • A61F13/51478—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being a laminate, e.g. multi-layered or with several layers
    • A—HUMAN NECESSITIES
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    • 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
    • A61F13/51—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 outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
    • A61F2013/51411—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film being impervious to fluids but not for air or vapours
    • A61F2013/51417—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film being impervious to fluids but not for air or vapours with thin films
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • 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
    • A61F13/51—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 outer layers
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    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
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    • A61F2013/51417—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film being impervious to fluids but not for air or vapours with thin films
    • A61F2013/51419—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film being impervious to fluids but not for air or vapours with thin films with stretched areas
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
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    • B32B2307/00—Properties of the layers or laminate
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    • B32B2555/02—Diapers or napkins
    • C—CHEMISTRY; METALLURGY
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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    • C08L23/08—Copolymers of ethene
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    • C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • 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
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    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • 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
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    • 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
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    • 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
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    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
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Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Dermatology (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

"PELìCULAS DE CAMADAS MúLTIPLAS RESPIRáVEIS COM CAMADAS DE PELìCULAS RESPIRáVEIS". é preparada uma película de camadas múltiplas, respirável, incluindo uma camada de núcleo respirável e uma ou duas camadas de película, pela provisão de uma mistura de camada de núcleo de um polímero termoplástico e uma carga em particulas, provisão de uma mistura de camada de película de pelo menos dois polímeros incompatíveis, coextrusão da mistura de núcleo e camadas de película para formar uma película de camadas múltiplas, e estiramento da película de camadas múltiplas para causar a formação de espaços na camada de núcleo e formação de rachadura em uma ou duas camadas de pelicula. Em razão da formação de rachaduras nas camadas de película durante o estiramento, as camadas de película podem realizar funções duplas para aliviar o estabelecimento de carga na matriz, a partir da camada de núcleo durante a co-extrusão e de ligação da película a um substrato subsequente para co-extrusão, sem impedir indevidamente a razão de transmissão de vapor de umidade da película ou produto de laminado. A película respirável e os laminados incluindo a pelicula são úteis em uma ampla variedade de artigos absorventes para cuidado pessoal, vestimentas médicas e outros produtos.
BRPI0013601-8A 1999-08-27 2000-08-22 pelìcula afinada por estiramento, respirável, que tem uma razão de transmissão de vapor de umidade (mvtr) de pelo menos 500 g/m2 - 24 horas, processo para preparar uma pelìcula de camadas múltiplas respirável, laminado respirável, fralda, calça de treinamento, vestuário de natação, calça ìntima absorvente, produto para incontinência de adultos, produto para higiene feminina, vestimenta médica, absorvente, bandagem, cortinado cirúrgico e pano para limpeza médica. BR0013601B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/385,988 US6682803B2 (en) 1999-08-27 1999-08-27 Breathable multilayer films with breakable skin layers
PCT/US2000/023008 WO2001015898A1 (en) 1999-08-27 2000-08-22 Breathable multilayer films with breakable skin layers

Publications (2)

Publication Number Publication Date
BR0013601A true BR0013601A (pt) 2002-05-14
BR0013601B1 BR0013601B1 (pt) 2010-09-21

Family

ID=23523697

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0013601-8A BR0013601B1 (pt) 1999-08-27 2000-08-22 pelìcula afinada por estiramento, respirável, que tem uma razão de transmissão de vapor de umidade (mvtr) de pelo menos 500 g/m2 - 24 horas, processo para preparar uma pelìcula de camadas múltiplas respirável, laminado respirável, fralda, calça de treinamento, vestuário de natação, calça ìntima absorvente, produto para incontinência de adultos, produto para higiene feminina, vestimenta médica, absorvente, bandagem, cortinado cirúrgico e pano para limpeza médica.

Country Status (13)

Country Link
US (1) US6682803B2 (pt)
EP (1) EP1218181B1 (pt)
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US20020187304A1 (en) 2002-12-12
ZA200201121B (en) 2003-05-28
JP2003508254A (ja) 2003-03-04
EP1218181A1 (en) 2002-07-03
AR027844A1 (es) 2003-04-16
CO5160352A1 (es) 2002-05-30
CN1384785A (zh) 2002-12-11
KR100668020B1 (ko) 2007-01-15
BR0013601B1 (pt) 2010-09-21
CN100408327C (zh) 2008-08-06
US6682803B2 (en) 2004-01-27
DE60041646D1 (de) 2009-04-09
EP1218181B1 (en) 2009-02-25
WO2001015898A1 (en) 2001-03-08
KR20020020972A (ko) 2002-03-16
AU6924900A (en) 2001-03-26
MXPA02001618A (es) 2002-07-02
AU771216B2 (en) 2004-03-18

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