THERMO-INSULATING EXPANDED ARTICLES AND COMPOSITIONS FOR THE PREPARATION THEREOF
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United States of America Patent
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Issued Date -
Jul 5, 2012
app pub date -
Jul 1, 2010
filing date -
Jul 16, 2009
priority date (Note) -
Abandoned
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Abstract
Thermo-insulating expanded articles having a density ranging from 5 to 50 g/l, which can be obtained from particle compositions of expandable vinyl aromatic polymers comprising: a. 10-90% by weight of beads/granules of expandable vinyl aromatic polymer pigmented with an athermanous material comprising from 0.05 to 25% by weight of coke in particle form with an average particle diameter (size) ranging from 0.5 to 100 μm; b. 90-10% by weight of beads/granules of essentially white expandable vinyl aromatic polymer.
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