Heat-Sensitive record material
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United States of America Patent
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Issued Date -
Jun 18, 2009
app pub date -
Nov 21, 2008
filing date -
Dec 17, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention describes a heat sensitive recording material comprising a paper or film substrate having coated thereon a thermally sensitive color forming composition. The thermally sensitive color forming composition comprises a chromogenic dye precursor, and an acidic developer material. A high hydrolysis adhesive material is advantageously employed as a basecoat or in the color forming composition. The high hydrolysis adhesive material has a hydrolysis of at least 99% and yields a heat sensitive recording material of low background discoloration which is useful in wet offset UV cured printing.
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