Heat sealable coating for manual and electronic marking and process for heat sealing the image
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United States of America Patent
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Mar 11, 2003
Grant Date -
N/A
app pub date -
Apr 12, 2000
filing date -
Apr 15, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a heat sealable element, which comprises a support, a heat sealing layer comprising a thermoplastic polymer which melts in the range of 50-250.degree. C., a wax which melts in the range of 50-250.degree. C., or combinations thereof, and an image layer which comprises at least one polymer which is capable of selectively receiving and retaining water base colorants. The present invention further relates to a process for heat sealing an image, which comprises imaging the above-mentioned heat sealable element and heating the imaged element in order to melt the imaging layer and heat sealing layer to form substantially a single layer and encapsulating the water base colorant in the single layer.
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