Textile structures, and their preparation

Details Textile structures, and their preparation Textile structures, and their preparation

B - Operations, Transporting

32

B

B32B 5/08 (2006.01) D04H 1/42 (2006.01) D04H 13/00 (2006.01)

Patent

CA 2141252

Nonwoven structures, prepared from meltblown microfibers, and fibers having heterogeneous melt viscosity. The structures can be in the form of composite nonwoven fabrics, made from alternating layers of the indicated meltblown and heterogeneous fibers; the melt flow rate, of the surface of the heterogeneous fibers, can be one third or more of the meltblown fibers' melt flow rate. The composite nonwoven fabrics have excellent barrier properties, and are useful as sterilization wraps, and for other medical, industrial, and hygiene applications.

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