Patent ID: 6417120
Filing Date: 2002-07-09
Classification: B32B,D04H,Y10T

Abstract:
A substantially nondusting meltblown web, comprising:(a) at least one air-formed nonparticle-containing layer comprising meltblown fibers and staple fibers, the staple fibers engaging at least some of the meltblown fibers to space the meltblown fibers apart from each other, and the staple fibers being retained within the nonparticle-containing layer by entanglement with the meltblown fibers; and (b) at least one air-formed particle-containing layer comprising meltblown fibers, particles and staple fibers, the particles being retained in the particle-containing layer by surface penetration into the meltblown fibers, the staple fibers engaging at least some of the meltblown fibers to space the meltblown fibers apart from each other, and the staple fibers being retained within the particle-containing layer by entanglement with the meltblown fibers.