Mixture for the manufacture of an expanded cellular polymer product and manufacturing process utilizing such a mixture
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United States of America Patent
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-
Dec 4, 2001
Grant Date -
N/A
app pub date -
Jul 19, 1999
filing date -
Aug 14, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The mixture comprising a polymer, an adsorbtion agent including an expansion agent and a nucleating agent is produced before being placed in an extruder. The result is a finished product of expanded cellular polymer comprising more than 90% by volume of closed cells.
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