Extruded, open-cell microcellular alkenyl aromatic polymer foams, process for making, and articles made therefrom
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United States of America Patent
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Jul 14, 1998
Issued Date -
N/A
app pub date -
Sep 17, 1997
filing date -
Apr 27, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is an extruded, open-cell microcellular alkenyl aromatic polymer foam useful in insulating applications. The foam has an open cell content of about 70 percent or more. The foam has an average cell size of about 70 micrometers or less. The foam is particularly useful in evacuated or vacuum insulation panels. Further disclosed is a process for making the open-cell foam. Further disclosed is a fabricated foam article.
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