Non-woven fiber webs
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United States of America Patent
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Nov 26, 2002
Grant Date -
N/A
app pub date -
Jun 12, 2000
filing date -
Jun 22, 1999
priority date (Note) -
Expired
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Abstract
A non-woven fibre web comprising a plurality of first fibres of amorphous silica, said first fibres being orientated in the x-, y- and optionally z-direction, and optionally being bonded with one or more binder substances, characterised in that one or more continuous strands are embedded within the non-woven fibre web, each continuous strand comprising one or more second fibres of amorphous silica, and a method for the manufacture thereof is disclosed. Also disclosed is an ion-conducting membrane comprising said non-woven web and the use thereof, in particular, in a fuel cell.
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