Adhesives with good mechanical properties, suitable for use with antennas
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United States of America Patent
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Jul 27, 2004
Grant Date -
Sep 19, 2002
app pub date -
Jan 2, 2002
filing date -
Jan 3, 2001
priority date (Note) -
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Abstract
A filler containing adhesive is described that also in the presence of large amounts of conductive fillers such as low or non-oxidized carbon black shows good antenna impedance. Said adhesive is characterized by the presence of polycarbonate prepolymers, in particular prepolymers containing a group or formula I: ##STR1## wherein R represents linear or branched, saturated or unsaturated aliphatic radical, a saturated or unsaturated cycloaliphatic radical, an araliphatic radical, or an aromatic radical with 3 to 10 carbon atoms, and n=1 to 8, preverably 2 to 5.
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