Nonwoven provides effective barrier.(Medical)

Polymer Group Inc (PGI) has developed a multi-layered nonwoven with barrier properties.

In International Patent WO 02/083406, the company from North Charleston, South Carolina, USA, discloses a construction combining a melt-blown web with a spunbonded fabric. At least one of the layers, preferably the melt-blown, contains an additive: a fluoroalcohol with a non-derivatized additive such as a fatty acid, preferably a derivative perfluoroalcohol with non-derivative additive, the Patent says.

The inventor foresees the material being used in medical gowns and dr