Gas-permeable, liquid-impermeable non-woven material

Details Gas-permeable, liquid-impermeable non-woven material Gas-permeable, liquid-impermeable non-woven material

D - Textiles, Paper

04

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154/127, 9/60

D04H 1/70 (2006.01) A41D 31/00 (2006.01) A61B 19/08 (2006.01) A61F 13/00 (2006.01) D04H 1/42 (2006.01) D21H 13/14 (2006.01) A61F 13/15 (2006.01)

Patent

CA 1328036

GAS-PERMEABLE, LIQUID-IMPERMEABLE NONWOVEN MATERIAL Abstract of the Disclosure Disclosed is a liquid-impermeable, gas-permeable nonwoven material comprising a thermally consolidated blend of (1) 5% to 30% of a first polyolefin pulp, (2) 15% to 90% of a second polyolefin pulp having a melting point at least 20°C higher than the first polyolefin pulp, and (3) 5% to 55% of a staple fiber. Also disclosed is a wet forming method for making such a nonwoven material without the use of surfactants.

606077

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