Stretch-thinned breathable films resistant to blood and virus pe

Details Stretch-thinned breathable films resistant to blood and virus pe Stretch-thinned breathable films resistant to blood and virus pe

1997-11-26

1999-12-14

Weiss, John G.

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

604358, 604366, 428323, 428327, 428339, A61F 1315, B32B 516

Patent

active

060020644

ABSTRACT:
A stretch-thinned polymeric film is formed from a mixture of a polymer matrix including a low crystallinity propylene polymer having not more than about 30% crystallinity, with a particulate filler. The stretch-thinned film is breathable to water vapor yet resistant to penetration by liquids and viruses. The film can be laminated to a nonwoven web, and is useful in a wide variety of medical apparel and related products.

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Designation: F 1671-97a--Standard Test Method for Resistance of Materials Used in Protective Clothing to Penetration by Blood-Borne Pathogens Using Phi-X174 Bacteriophage Penetration as a Test System, Copyright by the American Society For Testing and Materials, Annual Book of ASTM Standards, pp. 1-10.

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