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Development of Highly Breathable and Effective Blood/Viral Barrier Laminates of Microporous Films, Staple Fibers and Nonwovens

TANDEC College of Human Ecology The University of Tennessee 1321 White Avenue Knoxville, TN 37996-1950

H. Charles Allen, JR

Cotton Incorporated 4505 Creedmoor Road Raleigh, NC 29612

In recent years it has been widely known that 3-ply laminates consisting of an inner core of microporous (MP) film and outer layers of spunbond (SB) or meltblown (MB) nonwovens will pass the test for resistance to penetration of synthetic blood (ASTM F 1670); whereas, SB/MB/SB (SMS) laminates will generally not pass this test. Only recently have manufactures begun to make the claim that laminates of MP film with SB and MB nonwovens pass the more rigor ous test for resistance to blood-borne virus (ASTM F1671). Nevertheless, lami nates developed at the Textiles and Nonwovens Development Center (TANDEC) through sponsorship from Cotton Incorporated, which consistently pass both ASTM F1670 and ASTM F 1671, were first disclosed at INDA-TEC '95.

Journal of Industrial Textiles, Vol. 28, No. 1, 12-28 (1998)
DOI: 10.1177/152808379802800102


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