Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1986-08-22
1989-09-19
McCamish, Marion C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428233, 428234, 428235, 428237, 428244, 428246, 428252, 428253, 428281, 428282, 428283, 428284, 428286, 428287, 428296, 428298, 428300, 428408, 428903, 428913, B32B 2714
Patent
active
048680320
ABSTRACT:
A permeable sheet material comprised of particle-loaded, 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 dispersed in the layer of melt-blown fibers 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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Kirk-Othmer, Encyclopedia of Chemical Technology, (3rd ed.), vol. 16, pp. 72-124, entitled "Non-Woven Textile Fabrics".
Cheney Paul G.
Eian Gilbert L.
Kirn Walter N.
McCamish Marion C.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Tamte Roger R.
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