Water repellant meltblown webs and laminates

摘要

Nonwoven webs with good barrier properties are disclosed. The nonwoven webs can be, for instance, meltspun webs such as meltblown webs and spunbonded webs. In accordance with the present invention, a hydrophobic agent is incorporated into the polymer that is used to produce the web for improving the barrier properties of the web. Hydrophobic agents that may be used in accordance with the present invention include polydimethyl siloxanes and guerbet esters.