Patent ID: 6653523
Filing Date: 2003-11-25
Classification: A41D,A61F,A61L,B32B,Y10T

Abstract:
A multilayer film, comprising:a liquid impermeable multilayer film having a thickness less than 30 microns and a WVTR of at least 300 g/m2/24 hours, said multilayer film comprising a core layer and first and second skin layers; said core layer comprising an extrudable thermoplastic polymer and a particulate filler wherein pores are located adjacent said filler; said first skin layer on a first side of the core layer, and having a thickness constituting less than about 7.5% of the thickness of the multilayer film; and said second skin layer on a second side of the core layer and having a thickness constituting less than about 7.5% of the thickness of the multilayer film; each of said first and second skin layers comprise a polymer selected from the group consisting of polyolefins, ethylene vinyl acetate, ethylene ethyl acrylate, ethylene acrylic acid, ethylene methyl acrylate, ethylene butyl acrylate, polyester, nylon, ethylene vinyl alcohol, polystyrene, polyurethane, olefinic thermoplastic elastomers of ethylene and propylene, and combinations thereof.