Blood resistant and viral resistant composite fabrics
AssigneeTredegar Film Products Corporation
InventorCarl Douglas Ray
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Abstract
Composite fabrics comprise a nonwoven web, preferably a fully calendared nonwoven web of fusible fibers, and a monolithic breathable polymer layer on at least one surface of the web and have excellent breathability, good abrasion resistance, and offer protection against both blood and viral agents.
Claims20
A composite fabric comprising a monolithic coating on a fibrous substrate web, said composite having a MVTR of at least 1500 g/m2/day and passes both the ASTM F1670 blood barrier test and the ASTM F1671 viral barrier test.
A composite fabric comprising a fully calendared nonwoven web of fibers and a monolithic coating on at least one surface of said web.
Dependencies are inferred from the claim text.