Low density body
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United States of America Patent
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Oct 17, 2000
Grant Date -
N/A
app pub date -
Jan 22, 1998
filing date -
Jan 23, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A low density body such as a sheet, board or molding usable as a cushioning material, heat-insulating material, sound-absorbing material, filter, low density base paper or the like is provided. The low density body having a density of 0.05 to 0.45 g/cm.sup.3 is prepared by dewatering a slurry containing fine fibers having a bond-reinforcing factor of at least 0.15 and curled fibers having a wet curl factor of 0.4 to 1.0, and drying the resultant product.
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