Non-woven fiber webs with nylon binder
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United States of America Patent
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Dec 14, 2004
Grant Date -
Oct 30, 2003
app pub date -
Apr 30, 2002
filing date -
Apr 30, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a nonwoven web comprised of metal or refractory fibers with nylon as a binder. The nonwoven web is prepared by forming a foam furnish by agitating the fibers in a foamed medium, and passing the foam furnish onto a screen and defoaming the furnish. It is preferred that the nylon binder is added to the foam furnish in the form of fibers. Once the furnish is defoamed to form a nonwoven web, the sheet is dried at a temperature sufficient to melt the nylon binder.
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