Durable melt-blown fibrous sheet material
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United States of America Patent
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-
Jul 21, 1987
Grant Date -
N/A
app pub date -
Aug 22, 1986
filing date -
Aug 22, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A durable fibrous sheet material comprised of a melt-blown fiber web having a plurality of reinforcing fibers extending therethrough is provided. The reinforcing fibers are needled through the web of melt-blown fibers and are then bonded to fibers on the opposing faces of the layer of melt-blown fibers to hold the reinforcing fibers in position. Solid particles can be dispersed in the layer of melt-blown fibers. Such particles are preferably vapor-sorptive particles, e.g., activated carbon, so that the sheet material will sorb vapors passing therethrough. The sheet material is particularly useful as a component of a chemical protective garment.
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