Fine-fiber nonwoven-supported coating structure

Details Fine-fiber nonwoven-supported coating structure Fine-fiber nonwoven-supported coating structure

2011-08-16

2011-08-16

Torres Velazquez, Norca L (Department: 1786)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Coated or impregnated woven, knit, or nonwoven fabric which...

Coating or impregnation specified as porous or permeable to...

C442S085000, C442S118000, C442S168000, C442S394000, C219S219000, C219S385000, C219S385000, C219S385000, C219S401000, C156S060000

Reexamination Certificate

active

07998885

ABSTRACT:
This invention relates to a liquid penetration-resistant water-vapor-permeable multi-layer composite material and process for making the same comprising a porous nanofiber web of polymeric fibers, wherein the polymeric fibers of the nanofiber web have a diameter of less than 1000 nanometers and wherein the nanofiber web has a basis weight of 5 to 40 grams per square meter and a surface roughness (ΔRMS) of 5 to 15 micrometers and where, the porous nanofiber web is coated on a surface with a layer of water-vapor-permeable, hydrophilic, monolithic, water transport material.

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patent: WO 03/080905 (2003-10-01), None

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