Printing sheet and manufacturing method therefor
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United States of America Patent
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Sep 9, 1997
Issued Date -
N/A
app pub date -
Aug 16, 1995
filing date -
Jun 8, 1993
priority date (Note) -
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Abstract
A printing sheet of the type which is used in a thermal transfer system, the printing sheet comprising a support and a dye receiving layer formed thereon, the dye receiving layer including a polymer containing isocyanate group, the polymer having polysiloxane unit and urea unit. The isocyanate group-containing polymer is selected from a reaction product between a multifunctional polyisocyanate compound and amino-modified silicone, or a reaction product between a multifunctional polyisocyanate compound and alcohol-modified silicone or carboxyl-modified silicone and an amine compound or water. According to the present invention, both the writing characteristic and anti-sebaceous characteristic on an image surface are improved simultaneously while basic characteristics such as printing sheet sensitivity, image preservative stability, and so on, are satisfied.
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