Foamable composition using high density polyethylene
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United States of America Patent
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May 30, 2000
Grant Date -
N/A
app pub date -
Apr 7, 1998
filing date -
Apr 7, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A polymeric composition for producing foam in which the polymeric composition comprises high density polyethylene, alkenyl aromatic polymer and, optionally, a resiliency modifier resin. The high density polyethylene is in an amount of from about 45 to about 90 weight percent of the polymeric composition. The high density polyethylene has a z-average molecular weight, M.sub.z, greater than about 1,000,000. The alkenyl aromatic polymer is in the amount of from about 3 to about 45 weight percent of the polymeric composition. The resiliency modifier resin is in the amount of from 0 to about 40 weight percent of the polymeric composition. The foam is produced in the absence of a significant amount of a stability control agent.
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