Blowing agent, polyolefin foam, and process for producing polyolefin foam
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United States of America Patent
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Nov 27, 2001
Grant Date -
N/A
app pub date -
Aug 24, 2000
filing date -
Aug 24, 2000
priority date (Note) -
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Abstract
A blowing agent for expanding an extrudable, expandable polyolefin foam product, the blowing agent including a blend of isobutane and n-butane. The isobutane is present in the blend at a weight percentage ranging from 35 to 65 and the n-butane is present in the blend at a weight percentage ranging from 35 to 65.
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