NONWOVEN FABRIC LAMINATE WITH MELTBLOWN WEB HAVING A GRADIENT FIBER SIZE STRUCTURE

摘要

A nonwoven fabric laminate having a meltblown layer positioned between two spunbond nonwoven layers. The meltblown layer having a gradient fiber size structure across a thickness thereof with at least one layer of coarse meltblown fibers. In one embodiment, the gradient fiber size structure has at least two layers of meltblown fibers, for example at least one layer of fine meltblown fibers and at least one layer of coarse meltblown fibers, having a mean fiber diameter difference of at least 4.0 microns