CROSSLINKED POLYPROPYLENE FOAM SHEET FOR IMPROVED ANCHORAGE TO TPO
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United States of America Patent
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Issued Date -
Nov 22, 2012
app pub date -
Dec 29, 2011
filing date -
May 17, 2011
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Abstract
A foam composition comprising about 50 to about 95 parts by weight of at least one polypropylene polymer having a density of about 85 to about 125 kg/m3, wherein the composition has blister rating of 1-2, an unaged peel tear strength of at least about 34 N and a heat aged peel tear strength of at least about 28 N when laminated to a support layer.
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