Ink composition for thermal transfer sheet and thermal transfer sheet utilizing same
AssigneeDai Nippon Printing Co., Ltd.
InventorsMasafumi Hayashi, Mitsuru Maeda, Norikatsu Kobayashi
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Abstract
A thermal transfer sheet comprises a substrate film and a heat fusible ink layer disposed on one surface of the substrate film, in which the heat fusible ink layer is formed from an ink composition comprising a coloring agent and a heat fusible binder, said coloring agent comprising a violet pigment expressed by the following formula: ##STR1## (in the formula, each of R.sup.1 and R.sup.3 is any one of a methyl and an ethyl and R.sup.2 is a phenyl), and said heat fusible binder mainly comprising a wax.
Claims7
An ink composition for a thermal transfer sheet comprising:
- a coloring agent comprising a violet pigment expressed by a following formula:
- ##STR4## (in the formula, each of R.sup.1 and R.sup.3 is any one of a methyl and an ethyl and R.sup.2 is a phenyl);
- and
- a heat fusible binder mainly comprising a wax.
A thermal transfer sheet comprising:
- a substrate film;
- and
- a heat fusible ink layer disposed on one surface of the substrate film, said heat fusible ink layer being formed from an ink composition which comprises a coloring agent and a heat fusible binder, said coloring agent comprising a violet pigment expressed by a following formula:
- ##STR5## (in the formula, each of R.sup.1 and R.sup.3 is any one of a methyl and an ethyl and R.sup.2 is a phenyl), and said heat fusible binder being mainly comprising a wax.
Dependencies are inferred from the claim text.