Laser-printed substrate comprising a particle-filled receptive layer
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United States of America Patent
Stats
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Apr 24, 2001
Grant Date -
N/A
app pub date -
Oct 29, 1998
filing date -
Mar 13, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A substrate with an organic undercoat as bonding layer for a printing medium to be deposited subsequently on the substrate in a printing process is such that the organic undercoat contains fine grained constituents of organic and/or inorganic substances, whereby the surface of the inorganic constituents is treated or provided with a coating of organic substances. Suitable inorganic constituents are e.g. highly dispersed silica, the surface of which is treated with a resin or a polymer. Suitable compositions for the organic undercoat layer on the substrate are organic coatings based on many commercially available organic coating materials with an addition of e.g. 0.3 to 20 wt. % silica. By adding highly dispersed silica to the undercoat the adhesion between the undercoat and the printing medium can be greatly improved, also in the case of laser printing methods with small thermal energy.
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