ELASTOMERIC WATERPROOF LAMINATE

@ This invention provides a waterproof and breathable elastomeric polytetrafluoroethylene layered article or fabric for use in rainwear or other protective articles. The layered article can for example, exhibit elastomeric properties of stretch to break of 275% in the machine direction, and 145% in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WILSON, FREDERIC TERENCE, GRUBB, LINDA JEAN, WORDEN, DEXTER
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR HUMAN NECESSITIES LAUNDERING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM OUTERWEAR PERFORMING OPERATIONS PROTECTIVE GARMENTS TEXTILES TRANSPORTING TREATMENT OF TEXTILES OR THE LIKE WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL WEARING APPAREL
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Beschreibung
Zusammenfassung:	@ This invention provides a waterproof and breathable elastomeric polytetrafluoroethylene layered article or fabric for use in rainwear or other protective articles. The layered article can for example, exhibit elastomeric properties of stretch to break of 275% in the machine direction, and 145% in the transverse direction and a total stretch recovery of at least 39% after being stretched to 75 % extension for 100 cycles. The waterproof and breathable elastomeric polytetrafluoroethylene layered article can be bonded to a stretch fabric to form a composite fabric which is durable and possesses a moisture vapor transmission rate exceeding 1000 gms/m2/day, and preferably above about 2000 gms/m2/day.