COMPOSITE MATERIAL AND METHOD FOR PREPARING THE SAME
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United States of America Patent
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Issued Date -
Dec 12, 2013
app pub date -
Feb 22, 2012
filing date -
Feb 23, 2011
priority date (Note) -
Abandoned
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Abstract
A composite material includes a porous substrate covered by thermoplastic foil. The porous substrate has a top side, a bottom side, and a plurality of gaps connecting the top side with the bottom side. The thermoplastic foil covers the top side and the bottom side, and fills the gaps. A method for preparing the composite material includes the steps of preparing a porous substrate having a top side, a bottom side, and a plurality of gaps connecting the top side with the bottom side. A top foil is placed on the top side and a bottom foil is placed on the bottom side, and a force is then applied to the top foil at a predetermined temperature, thereby filling the gaps with the top foil or the bottom foil.
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