Pre-expanded polyolefin foam beads
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United States of America Patent
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-
Jan 11, 2000
Grant Date -
N/A
app pub date -
Sep 2, 1998
filing date -
Sep 6, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Polyolefinic foam beads which can be processed over a wide temperature range to give molded articles where a ratio of the areas of low-temperature peak and high-temperature peak in the DSC curve during the first heating has a value of not more than 3, and where the heat of fusion of the secondary crystals is greater than 10 J/g.
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