POLYMER BLEND FOR THERMOPLASTIC CELLULAR MATERIALS
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Issued Date -
Jun 25, 2009
app pub date -
Dec 18, 2008
filing date -
Dec 19, 2007
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Abandoned
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Abstract
The present invention relates to high-temperature resistant, rigid, but flexible and low density foamed cellular material comprised of polyester blend consisting of from about 80 to about 98 weight percent of high viscosity polyethylene terephtalat (I.V.=1.0-1.9 dl/g) and from about 2 to about 20, preferably to about 5, weight percent of polycarbonate with average MW higher than 4000 g/mol.
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