Thermally-insulating layers and direct thermal imaging members containing same
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United States of America Patent
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Feb 19, 2013
Grant Date -
Apr 8, 2010
app pub date -
Aug 3, 2009
filing date -
May 30, 2001
priority date (Note) -
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Abstract
Multicolor thermal imaging members are described that comprise color-forming layers that are separated by thermally-insulating layers and can be addressed with a thermal printing head in contact with a surface to form an image. The thermally-insulating layers are designed to be as thin as possible consistent with at least partially independent addressing of the color-forming layers, and are formulated so as not to lead to instabilities either before or after printing or to give rise to dimensional changes of a thermal imaging member when it is subjected to changes in temperature or humidity. Coating compositions for manufacturing such thermally-insulating layers are also provided.
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