CO5111025A1 - Peliculas hibridas con capacidad para respirar de capas mul tiples de polimeros degradables y elastomeros termoplasticos - Google Patents

Peliculas hibridas con capacidad para respirar de capas mul tiples de polimeros degradables y elastomeros termoplasticos

Info

Publication number
CO5111025A1
CO5111025A1 CO99080691A CO99080691A CO5111025A1 CO 5111025 A1 CO5111025 A1 CO 5111025A1 CO 99080691 A CO99080691 A CO 99080691A CO 99080691 A CO99080691 A CO 99080691A CO 5111025 A1 CO5111025 A1 CO 5111025A1
Authority
CO
Colombia
Prior art keywords
molten
extrudable
layer
degradable
polymer
Prior art date
Application number
CO99080691A
Other languages
English (en)
Inventor
Topolkaraev Vasily
P Thomas Oomman
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 CO5111025A1 publication Critical patent/CO5111025A1/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
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • B29C48/71—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows for layer multiplication
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/22—Articles comprising two or more components, e.g. co-extruded layers the components being layers with means connecting the layers, e.g. tie layers or undercuts
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/261—In terms of molecular thickness or light wave length
    • 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]
    • Y10T442/674—Nonwoven fabric with a preformed polymeric film or sheet
    • 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]
    • Y10T442/674—Nonwoven fabric with a preformed polymeric film or sheet
    • Y10T442/678—Olefin polymer or copolymer sheet or film [e.g., polypropylene, polyethylene, ethylene-butylene copolymer, etc.]
    • 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]
    • Y10T442/674—Nonwoven fabric with a preformed polymeric film or sheet
    • Y10T442/679—Natural or synthetic rubber sheet or film

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Materials For Medical Uses (AREA)

Abstract

Una película de polímero de microcapas múltiples que comprende una pluralidad de microcapas coextruidas que incluyen una capa elastomérica que comprende un elastómero termoplástico fundido y extruible y una capa degradable que comprende un polímero degradable fundido y extruible.3Un método para hacer una película de polímero de microcapas múltiples que comprende los pasos de:Coextruir un elastómero termoplástico, fundido y extruible y un polímero degradable, fundido y extruible para formar un laminado que comprende una primera capa que incluye el elastómero termoplástico fundido y extruible y una segunda capa que incluye el polímero degradable fundido y extruible, el elastómero termoplástico fundido y extruible tiene una primera tasa de transmisión de vapor de agua y el polímero degradable fundido y extruible tiene una segunda tasa de transmisión de vapor de agua menor que la primera tasa de transmisión de vapor de agua;Separar el laminado mientras que el laminado está en un estado fundido y extruible para formar un par de mitades, cada una incluyendo una parte de la primera capa y una parte de la segunda capa; adelgazar y ensanchar las mitades laminadas; apilar las mitades laminadas una arriba de la otra para reforzar el laminado de manera que el laminado comprenda una pluralidad de unidades laminadas repetitivas en un arreglo apilado paralelo, cada unidad laminada comprende una primera capa que incluye un elastómero termoplástico fundido y extruible y una segunda capa que incluye el polímero degradable, fundido y extruible; yrepetir los pasos de separación, adelgazamiento y ensanchado y apilación para formar el laminado en la película de polímero de microcapa.
CO99080691A 1998-12-28 1999-12-27 Peliculas hibridas con capacidad para respirar de capas mul tiples de polimeros degradables y elastomeros termoplasticos CO5111025A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/221,084 US6586354B1 (en) 1998-12-28 1998-12-28 Microlayer breathable hybrid films of degradable polymers and thermoplastic elastomers

Publications (1)

Publication Number Publication Date
CO5111025A1 true CO5111025A1 (es) 2001-12-26

Family

ID=22826272

Family Applications (1)

Application Number Title Priority Date Filing Date
CO99080691A CO5111025A1 (es) 1998-12-28 1999-12-27 Peliculas hibridas con capacidad para respirar de capas mul tiples de polimeros degradables y elastomeros termoplasticos

Country Status (7)

Country Link
US (1) US6586354B1 (es)
AR (1) AR023075A1 (es)
CO (1) CO5111025A1 (es)
GT (1) GT199900225A (es)
PA (1) PA8488601A1 (es)
PE (1) PE20001098A1 (es)
UY (1) UY25883A1 (es)

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US6482074B1 (en) * 2000-12-04 2002-11-19 Taiwan Semiconductor Manufacturing Co., Ltd Apparatus and method for transferring a torque from a rotating hub frame to a hub shaft
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Also Published As

Publication number Publication date
US6586354B1 (en) 2003-07-01
PA8488601A1 (es) 2000-09-29
GT199900225A (es) 2001-06-20
UY25883A1 (es) 2000-08-21
PE20001098A1 (es) 2000-10-27
AR023075A1 (es) 2002-09-04

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