COMPOSITE COMPRISING A NONWOVEN VAPOR PERMEABLE SHEET

A composite laminate comprising at least one moisture vapor permeable nonwoven sheet having first and second surfaces and a fluorinated polymeric coating on the first surface of the sheet wherein (i)the fluorinated polymeric coating is present in an amount such that the total fluorine content of the...

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Bibliographische Detailangaben
Hauptverfasser:	FREY, Norbert, BRABBS, Noel Stephen, HUEBSCH, Eric
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BUILDING CEILINGS FIXED CONSTRUCTIONS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR FLOORS GENERAL BUILDING CONSTRUCTIONS GUTTERS INSULATION OR OTHER PROTECTION OF BUILDINGS LAUNDERING ROOF COVERINGS ROOF-WORKING TOOLS ROOFS SKY-LIGHTS TEXTILES TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	A composite laminate comprising at least one moisture vapor permeable nonwoven sheet having first and second surfaces and a fluorinated polymeric coating on the first surface of the sheet wherein (i)the fluorinated polymeric coating is present in an amount such that the total fluorine content of the coated non-woven sheet is 0.05 to no greater than 0.4 gsm, and (ii) the composite laminate, afterexposure to wet timber, exhibits a retained hydrohead of at least 60 percent.