Method of manufacturing a composite foam from foam flakes, composite foam, and use of this composite foam
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United States of America Patent
Stats
-
May 8, 2001
Grant Date -
N/A
app pub date -
Dec 16, 1996
filing date -
May 3, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
For manufacturing a composite foam, having acoustic properties, foam flakes (8) of differing sizes, differing origins, and/or differing material compositions are wetted with a small quantity of a polyurethane dispersion binding agent. The mixture is subsequently combined to a molded part (1) or to continuous web and under the effect of hot (water) steam or microwave energy is cured and subsequently dried. The composite foam can be used for sound insulation purposes in vehicles and in general machinery construction, and also in building construction.
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Cited Art Landscape
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