Pre-expanded particles of polypropylene resin and inmolded foamed article using the same
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United States of America Patent
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Jun 10, 2003
Grant Date -
Mar 27, 2003
app pub date -
Aug 2, 2001
filing date -
Aug 2, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention aims at preparing polypropylene resin pre-expanded particles capable of providing an inmolded expanded article which prevents pollution of a mold by polypropylene powder at molding, packed products from being damaged by friction due to vibration at transport, and powder generation at the same time. Polypropylene resin pre-expanded particles comprising a resin composition containing a fatty acid amide compound is used.
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