BREATHABLE MULTILAYER FILMS WITH BREAKABLE SKIN LAYERS

A breathable multilayer film having a breathable core layer and at least one skin layer is disclosed. The core layer prepared by from a mixture containing a thermoplastic polymer and a particulate filler and the skin layer or layers are prepared from a mixture of at least two incompatible polymers a...

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1. Verfasser: JOHN DAVID TUCKER
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description A breathable multilayer film having a breathable core layer and at least one skin layer is disclosed. The core layer prepared by from a mixture containing a thermoplastic polymer and a particulate filler and the skin layer or layers are prepared from a mixture of at least two incompatible polymers and a polymer which compatiblizes the incompatible polymers. The addition of the compatiblizer in the skin layer improves the film forming consistency. In addition, the core layer contains voids around the particulate filler and the skin layer or layer has cracks or voids, which provides breathability to the multilayer film. Stretching of the film after the layers are coextruded together forms the voids and/or cracks. The multilayer film of the present invention can be laminated with woven and nonwoven materials and the multilayer film of the present invention, whether or not the films are laminated with other materials, are useful in a wide variety of personal care products, medical garments and other product in which breathability is desired. Se describe una pelicula de capas multiples con capacidad para respirar que tiene una capa de nucleo con capacidad para respirar y por lo menos una capa de piel. La capa de nucleo preparada de una mezcla que contiene polimero termoplastico y un rellenador en particulas y la capa de piel o capas son preparadas de una mezcla de por lo menos dos polimeros incompatibles y un polimero el cual compatibiliza los polimeros incompatibles. La adicion del compatibilizador en la capa de piel mejora la consistencia de formacion de pelicula. Ademas la capa de nucleo comprende huecos alrededor del rellenador de particulas y la capa o capas de piel tienen huecos o grietas que proporcionan capacidad para respirar a la pelicula de capas multiples. Estirando la pelicula despues de que las capas son construidas juntas forman los huecos y/o las grietas. La pelicula de capas multiples de la presente invencion puede ser laminada con materiales tejidos o no tejidos y la pelicula de capas multiples de la presente invencion, ya sea que las peliculas esten o no laminadas con otros materiales, son utiles en una amplia variedad de productos para el cuidado personal, prendas medicas y otros productos en los cuales es deseada la capacidad para respirar.
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The core layer prepared by from a mixture containing a thermoplastic polymer and a particulate filler and the skin layer or layers are prepared from a mixture of at least two incompatible polymers and a polymer which compatiblizes the incompatible polymers. The addition of the compatiblizer in the skin layer improves the film forming consistency. In addition, the core layer contains voids around the particulate filler and the skin layer or layer has cracks or voids, which provides breathability to the multilayer film. Stretching of the film after the layers are coextruded together forms the voids and/or cracks. The multilayer film of the present invention can be laminated with woven and nonwoven materials and the multilayer film of the present invention, whether or not the films are laminated with other materials, are useful in a wide variety of personal care products, medical garments and other product in which breathability is desired. Se describe una pelicula de capas multiples con capacidad para respirar que tiene una capa de nucleo con capacidad para respirar y por lo menos una capa de piel. La capa de nucleo preparada de una mezcla que contiene polimero termoplastico y un rellenador en particulas y la capa de piel o capas son preparadas de una mezcla de por lo menos dos polimeros incompatibles y un polimero el cual compatibiliza los polimeros incompatibles. La adicion del compatibilizador en la capa de piel mejora la consistencia de formacion de pelicula. Ademas la capa de nucleo comprende huecos alrededor del rellenador de particulas y la capa o capas de piel tienen huecos o grietas que proporcionan capacidad para respirar a la pelicula de capas multiples. Estirando la pelicula despues de que las capas son construidas juntas forman los huecos y/o las grietas. La pelicula de capas multiples de la presente invencion puede ser laminada con materiales tejidos o no tejidos y la pelicula de capas multiples de la presente invencion, ya sea que las peliculas esten o no laminadas con otros materiales, son utiles en una amplia variedad de productos para el cuidado personal, prendas medicas y otros productos en los cuales es deseada la capacidad para respirar.</description><edition>B</edition><language>eng ; spa</language><subject>ACCESSORIES ; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; BANDAGES, DRESSINGS OR ABSORBENT PADS ; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS ; FILTERS IMPLANTABLE INTO BLOOD VESSELS ; FIRST-AID KITS ; FOMENTATION ; HUMAN NECESSITIES ; HYGIENE ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; MEDICAL OR VETERINARY SCIENCE ; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES ; OUTERWEAR ; PERFORMING OPERATIONS ; PROSTHESES ; PROTECTIVE GARMENTS ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; TRANSPORTING ; TREATMENT OR PROTECTION OF EYES OR EARS ; WEARING APPAREL ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>2004</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20040405&amp;DB=EPODOC&amp;CC=MX&amp;NR=PA04000933A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20040405&amp;DB=EPODOC&amp;CC=MX&amp;NR=PA04000933A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JOHN DAVID TUCKER</creatorcontrib><title>BREATHABLE MULTILAYER FILMS WITH BREAKABLE SKIN LAYERS</title><description>A breathable multilayer film having a breathable core layer and at least one skin layer is disclosed. The core layer prepared by from a mixture containing a thermoplastic polymer and a particulate filler and the skin layer or layers are prepared from a mixture of at least two incompatible polymers and a polymer which compatiblizes the incompatible polymers. The addition of the compatiblizer in the skin layer improves the film forming consistency. In addition, the core layer contains voids around the particulate filler and the skin layer or layer has cracks or voids, which provides breathability to the multilayer film. Stretching of the film after the layers are coextruded together forms the voids and/or cracks. The multilayer film of the present invention can be laminated with woven and nonwoven materials and the multilayer film of the present invention, whether or not the films are laminated with other materials, are useful in a wide variety of personal care products, medical garments and other product in which breathability is desired. Se describe una pelicula de capas multiples con capacidad para respirar que tiene una capa de nucleo con capacidad para respirar y por lo menos una capa de piel. La capa de nucleo preparada de una mezcla que contiene polimero termoplastico y un rellenador en particulas y la capa de piel o capas son preparadas de una mezcla de por lo menos dos polimeros incompatibles y un polimero el cual compatibiliza los polimeros incompatibles. La adicion del compatibilizador en la capa de piel mejora la consistencia de formacion de pelicula. Ademas la capa de nucleo comprende huecos alrededor del rellenador de particulas y la capa o capas de piel tienen huecos o grietas que proporcionan capacidad para respirar a la pelicula de capas multiples. Estirando la pelicula despues de que las capas son construidas juntas forman los huecos y/o las grietas. La pelicula de capas multiples de la presente invencion puede ser laminada con materiales tejidos o no tejidos y la pelicula de capas multiples de la presente invencion, ya sea que las peliculas esten o no laminadas con otros materiales, son utiles en una amplia variedad de productos para el cuidado personal, prendas medicas y otros productos en los cuales es deseada la capacidad para respirar.</description><subject>ACCESSORIES</subject><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS</subject><subject>DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS</subject><subject>FILTERS IMPLANTABLE INTO BLOOD VESSELS</subject><subject>FIRST-AID KITS</subject><subject>FOMENTATION</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>LAYERED PRODUCTS</subject><subject>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</subject><subject>OUTERWEAR</subject><subject>PERFORMING OPERATIONS</subject><subject>PROSTHESES</subject><subject>PROTECTIVE GARMENTS</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>TRANSPORTING</subject><subject>TREATMENT OR PROTECTION OF EYES OR EARS</subject><subject>WEARING APPAREL</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDBzCnJ1DPFwdPJxVfAN9Qnx9HGMdA1ScPP08Q1WCPcM8VAAKfAGywd7e_opgOWDeRhY0xJzilN5oTQ3g5Kba4izh25qQX58anFBYnJqXmpJvG9EgKOBiYGBgaWxsaMxUYoAbdEotg</recordid><startdate>20040405</startdate><enddate>20040405</enddate><creator>JOHN DAVID TUCKER</creator><scope>EVB</scope></search><sort><creationdate>20040405</creationdate><title>BREATHABLE MULTILAYER FILMS WITH BREAKABLE SKIN LAYERS</title><author>JOHN DAVID TUCKER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_MXPA04000933A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; spa</language><creationdate>2004</creationdate><topic>ACCESSORIES</topic><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>BANDAGES, DRESSINGS OR ABSORBENT PADS</topic><topic>DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS</topic><topic>FILTERS IMPLANTABLE INTO BLOOD VESSELS</topic><topic>FIRST-AID KITS</topic><topic>FOMENTATION</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>LAYERED PRODUCTS</topic><topic>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</topic><topic>OUTERWEAR</topic><topic>PERFORMING OPERATIONS</topic><topic>PROSTHESES</topic><topic>PROTECTIVE GARMENTS</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>TRANSPORTING</topic><topic>TREATMENT OR PROTECTION OF EYES OR EARS</topic><topic>WEARING APPAREL</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>JOHN DAVID TUCKER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>JOHN DAVID TUCKER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>BREATHABLE MULTILAYER FILMS WITH BREAKABLE SKIN LAYERS</title><date>2004-04-05</date><risdate>2004</risdate><abstract>A breathable multilayer film having a breathable core layer and at least one skin layer is disclosed. The core layer prepared by from a mixture containing a thermoplastic polymer and a particulate filler and the skin layer or layers are prepared from a mixture of at least two incompatible polymers and a polymer which compatiblizes the incompatible polymers. The addition of the compatiblizer in the skin layer improves the film forming consistency. In addition, the core layer contains voids around the particulate filler and the skin layer or layer has cracks or voids, which provides breathability to the multilayer film. Stretching of the film after the layers are coextruded together forms the voids and/or cracks. The multilayer film of the present invention can be laminated with woven and nonwoven materials and the multilayer film of the present invention, whether or not the films are laminated with other materials, are useful in a wide variety of personal care products, medical garments and other product in which breathability is desired. Se describe una pelicula de capas multiples con capacidad para respirar que tiene una capa de nucleo con capacidad para respirar y por lo menos una capa de piel. La capa de nucleo preparada de una mezcla que contiene polimero termoplastico y un rellenador en particulas y la capa de piel o capas son preparadas de una mezcla de por lo menos dos polimeros incompatibles y un polimero el cual compatibiliza los polimeros incompatibles. La adicion del compatibilizador en la capa de piel mejora la consistencia de formacion de pelicula. Ademas la capa de nucleo comprende huecos alrededor del rellenador de particulas y la capa o capas de piel tienen huecos o grietas que proporcionan capacidad para respirar a la pelicula de capas multiples. Estirando la pelicula despues de que las capas son construidas juntas forman los huecos y/o las grietas. La pelicula de capas multiples de la presente invencion puede ser laminada con materiales tejidos o no tejidos y la pelicula de capas multiples de la presente invencion, ya sea que las peliculas esten o no laminadas con otros materiales, son utiles en una amplia variedad de productos para el cuidado personal, prendas medicas y otros productos en los cuales es deseada la capacidad para respirar.</abstract><edition>B</edition><oa>free_for_read</oa></addata></record>
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language eng ; spa
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subjects ACCESSORIES
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
BANDAGES, DRESSINGS OR ABSORBENT PADS
DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS
FILTERS IMPLANTABLE INTO BLOOD VESSELS
FIRST-AID KITS
FOMENTATION
HUMAN NECESSITIES
HYGIENE
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
MEDICAL OR VETERINARY SCIENCE
ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES
OUTERWEAR
PERFORMING OPERATIONS
PROSTHESES
PROTECTIVE GARMENTS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
TREATMENT OR PROTECTION OF EYES OR EARS
WEARING APPAREL
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title BREATHABLE MULTILAYER FILMS WITH BREAKABLE SKIN LAYERS
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