MICROPOROUS FILM CONTAINING WATER SWELLABLE FILLERS
A self-regulating breathable microporous film layer transmits water vapor at normal use conditions, and reduces or eliminates the vapor transmission when the vapor in the environment become excessive. The film layer includes a voided polymer matrix and a plurality of fine water-swellable filler part...
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creator | SCHULTZ, JAY, SHELDON STRACK, DAVID, CRAIGE MCCORMACK, ANN, LOUISE CARTWRIGHT, WILLIAM, F BLANEY, CAROL, A |
description | A self-regulating breathable microporous film layer transmits water vapor at normal use conditions, and reduces or eliminates the vapor transmission when the vapor in the environment become excessive. The film layer includes a voided polymer matrix and a plurality of fine water-swellable filler particles disposed within the voids. When there is an excess of vapor, the filler particles swell to block or partially block transmission of vapor through the voids and the film layer.
L'invention porte sur une couche de film microporeux imper-respirant, à auto-régulation qui transmet la vapeur d'eau dans des conditions normales d'utilisation, et réduit ou élimine la transmission de vapeur lorsque celle-ci devient trop importante dans l'environnement. La couche de film comprend une matrice polymère creuse et une pluralité de fines particules hydrogonflantes constituant une charge, ces particules étant disposées dans les creux. Lorsqu'il y a un excès de vapeur, les particules de la charge gonflent de façon à bloquer totalement ou partiellement la transmission de vapeur dans les creux et dans la couche de film. |
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L'invention porte sur une couche de film microporeux imper-respirant, à auto-régulation qui transmet la vapeur d'eau dans des conditions normales d'utilisation, et réduit ou élimine la transmission de vapeur lorsque celle-ci devient trop importante dans l'environnement. La couche de film comprend une matrice polymère creuse et une pluralité de fines particules hydrogonflantes constituant une charge, ces particules étant disposées dans les creux. Lorsqu'il y a un excès de vapeur, les particules de la charge gonflent de façon à bloquer totalement ou partiellement la transmission de vapeur dans les creux et dans la couche de film.</description><edition>6</edition><language>eng ; fre</language><subject>ACCESSORIES ; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; BANDAGES, DRESSINGS OR ABSORBENT PADS ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; 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 ; GENERAL PROCESSES OF COMPOUNDING ; 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 ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES ; OUTERWEAR ; PERFORMING OPERATIONS ; PROSTHESES ; PROTECTIVE GARMENTS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; TREATMENT OR PROTECTION OF EYES OR EARS ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS ; WEARING APPAREL ; WORKING-UP</subject><creationdate>1999</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&date=19990624&DB=EPODOC&CC=WO&NR=9923140B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990624&DB=EPODOC&CC=WO&NR=9923140B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SCHULTZ, JAY, SHELDON</creatorcontrib><creatorcontrib>STRACK, DAVID, CRAIGE</creatorcontrib><creatorcontrib>MCCORMACK, ANN, LOUISE</creatorcontrib><creatorcontrib>CARTWRIGHT, WILLIAM, F</creatorcontrib><creatorcontrib>BLANEY, CAROL, A</creatorcontrib><title>MICROPOROUS FILM CONTAINING WATER SWELLABLE FILLERS</title><description>A self-regulating breathable microporous film layer transmits water vapor at normal use conditions, and reduces or eliminates the vapor transmission when the vapor in the environment become excessive. The film layer includes a voided polymer matrix and a plurality of fine water-swellable filler particles disposed within the voids. When there is an excess of vapor, the filler particles swell to block or partially block transmission of vapor through the voids and the film layer.
L'invention porte sur une couche de film microporeux imper-respirant, à auto-régulation qui transmet la vapeur d'eau dans des conditions normales d'utilisation, et réduit ou élimine la transmission de vapeur lorsque celle-ci devient trop importante dans l'environnement. La couche de film comprend une matrice polymère creuse et une pluralité de fines particules hydrogonflantes constituant une charge, ces particules étant disposées dans les creux. Lorsqu'il y a un excès de vapeur, les particules de la charge gonflent de façon à bloquer totalement ou partiellement la transmission de vapeur dans les creux et dans la couche de film.</description><subject>ACCESSORIES</subject><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</subject><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</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>GENERAL PROCESSES OF COMPOUNDING</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>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</subject><subject>OUTERWEAR</subject><subject>PERFORMING OPERATIONS</subject><subject>PROSTHESES</subject><subject>PROTECTIVE GARMENTS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TRANSPORTING</subject><subject>TREATMENT OR PROTECTION OF EYES OR EARS</subject><subject>USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</subject><subject>WEARING APPAREL</subject><subject>WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1999</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDD29XQO8g_wD_IPDVZw8_TxVXD29wtx9PTz9HNXCHcMcQ1SCA539fFxdPJxBcn7uAYF8zCwpiXmFKfyQmluBgU31xBnD93Ugvz41OKCxOTUvNSS-HB_S0sjY0MTAydDYyKUAAB8Eich</recordid><startdate>19990624</startdate><enddate>19990624</enddate><creator>SCHULTZ, JAY, SHELDON</creator><creator>STRACK, DAVID, CRAIGE</creator><creator>MCCORMACK, ANN, LOUISE</creator><creator>CARTWRIGHT, WILLIAM, F</creator><creator>BLANEY, CAROL, A</creator><scope>EVB</scope></search><sort><creationdate>19990624</creationdate><title>MICROPOROUS FILM CONTAINING WATER SWELLABLE FILLERS</title><author>SCHULTZ, JAY, SHELDON ; STRACK, DAVID, CRAIGE ; MCCORMACK, ANN, LOUISE ; CARTWRIGHT, WILLIAM, F ; BLANEY, CAROL, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO9923140B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>1999</creationdate><topic>ACCESSORIES</topic><topic>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</topic><topic>BANDAGES, DRESSINGS OR ABSORBENT PADS</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</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>GENERAL PROCESSES OF COMPOUNDING</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>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</topic><topic>OUTERWEAR</topic><topic>PERFORMING OPERATIONS</topic><topic>PROSTHESES</topic><topic>PROTECTIVE GARMENTS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TRANSPORTING</topic><topic>TREATMENT OR PROTECTION OF EYES OR EARS</topic><topic>USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</topic><topic>WEARING APPAREL</topic><topic>WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>SCHULTZ, JAY, SHELDON</creatorcontrib><creatorcontrib>STRACK, DAVID, CRAIGE</creatorcontrib><creatorcontrib>MCCORMACK, ANN, LOUISE</creatorcontrib><creatorcontrib>CARTWRIGHT, WILLIAM, F</creatorcontrib><creatorcontrib>BLANEY, CAROL, A</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SCHULTZ, JAY, SHELDON</au><au>STRACK, DAVID, CRAIGE</au><au>MCCORMACK, ANN, LOUISE</au><au>CARTWRIGHT, WILLIAM, F</au><au>BLANEY, CAROL, A</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MICROPOROUS FILM CONTAINING WATER SWELLABLE FILLERS</title><date>1999-06-24</date><risdate>1999</risdate><abstract>A self-regulating breathable microporous film layer transmits water vapor at normal use conditions, and reduces or eliminates the vapor transmission when the vapor in the environment become excessive. The film layer includes a voided polymer matrix and a plurality of fine water-swellable filler particles disposed within the voids. When there is an excess of vapor, the filler particles swell to block or partially block transmission of vapor through the voids and the film layer.
L'invention porte sur une couche de film microporeux imper-respirant, à auto-régulation qui transmet la vapeur d'eau dans des conditions normales d'utilisation, et réduit ou élimine la transmission de vapeur lorsque celle-ci devient trop importante dans l'environnement. La couche de film comprend une matrice polymère creuse et une pluralité de fines particules hydrogonflantes constituant une charge, ces particules étant disposées dans les creux. Lorsqu'il y a un excès de vapeur, les particules de la charge gonflent de façon à bloquer totalement ou partiellement la transmission de vapeur dans les creux et dans la couche de film.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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subjects | ACCESSORIES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMISTRY COMPOSITIONS BASED THEREON 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 GENERAL PROCESSES OF COMPOUNDING 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 METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES OUTERWEAR PERFORMING OPERATIONS PROSTHESES PROTECTIVE GARMENTS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WEARING APPAREL WORKING-UP |
title | MICROPOROUS FILM CONTAINING WATER SWELLABLE FILLERS |
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