Thermal transfer sheet and image formation method
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United States of America Patent
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Apr 23, 2013
Grant Date -
Sep 30, 2010
app pub date -
Mar 29, 2010
filing date -
Mar 30, 2009
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Abstract
A thermal transfer sheet having a subbing layer and a dye layer in this order on a substrate film, wherein the subbing layer contains colloidal silica or colloidal alumina, and the dye layer contains a polyvinyl acetal resin having an acetacetal group in an amount of from 3.0 to 30.0 molar times the butyral group therein, and a dye of the following formula (1):
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