摘要:
A dyestuff for heat-sensitive transfer record is here disclosed which can be represented by the formula (1) ##STR1## wherein R.sub.1 is a hydrogen atom, alkyl group having 1 to 8 carbon atoms or cycloalkyl group; R.sub.2 is a hydrogen atom, halogen atom, alkoxy group which may be substituted, alkylthio group which may be substituted or arylthio group which may be substituted; R.sub.3 is a branched alkyl group having 3 to 5 carbon atoms, O-substituted oxycarbonyl group, N-substituted aminocarbonyl group in which an N-substituted group may form a ring, or a substituted or unsubstituted heterocyclic ring having two or more atoms of one or more kinds selected from the group consisting of a nitrogen atom, oxygen atom and sulfur atom; and when R.sub.1 is a hydrogen atom, R.sub.3 is a branched alkyl group having 3 to 5 carbon atoms, or a substituted or unsubstituted heterocyclic ring having two or more atoms of one or more kinds selected from the group consisting of a nitrogen atom, oxygen atom and sulfur atom;and there are also disclosed an ink for heat-sensitive transfer record and a transfer sheet in which the above-mentioned dyestuff is used.
摘要:
A dyestuff for heat-sensitive transfer record is here disclosed which can be represented by the formula (1) ##STR1## wherein R.sub.1 is a hydrogen atom, alkyl group having 1 to 8 carbon atoms or cycloalkyl group; R.sub.2 is a hydrogen atom, halogen atom, alkoxy group which may be substituted, alkylthio group which may be substituted or arylthio group which may be substituted; R.sub.3 is a branched alkyl group having 3 to 5 carbon atoms, O-substituted oxycarbonyl group, N-substituted aminocarbonyl group in which an N-substituted group may form a ring, or a substituted or unsubstituted heterocyclic ring having two or more atoms of one or more kinds selected from the group consisting of a nitrogen atom, oxygen atom and sulfur atom; and when R.sub.1 is a hydrogen atom, R.sub.3 is a branched alkyl group having 3 to 5 carbon atoms, or a substituted or unsubstituted heterocyclic ring having two or more atoms of one or more kinds selected from the group consisting of a nitrogen atom, oxygen atom and sulfur atom;and there are also disclosed an ink for heat-sensitive transfer record and a transfer sheet in which the above-mentioned dyestuff is used.
摘要:
A thermal transfer sheet wherein a clear image having a sufficient density is formed in a thermal transfer process using a sublimable dye and wherein the formed image exhibits excellent fastnesses, particularly excellent light fastness.The thermal transfer sheet includes a base sheet and a dye-containing layer formed on one surface of the base sheet wherein a dye contained in the dye-containing layer includes a mixture of two or more specific dyes.
摘要:
An object of the present invention is to provide a thermal transfer sheet wherein a clear image having a sufficient density is formed in a thermal transfer process using a sublimable dye and wherein the formed image exhibits excellent fastnesses, particularly excellent light fastness.The present invention is directed to a thermal transfer sheet comprising a base sheet and a dye-containing layer formed on the one surface of the base sheet wherein a dye included in the dye-containing layer comprises a mixture of two or more specific dyes.
摘要:
A thermal transfer sheet wherein a clear image having a sufficient density is formed in a thermal transfer process using a sublimable dye and wherein the formed image exhibits excellent fastnesses, particularly excellent light fastness.The thermal transfer sheet includes a base sheet and a dye-containing layer formed on one surface of the base sheet wherein a dye contained in the dye-containing layer includes a mixture of two or more specific dyes.
摘要:
A dye and a heat transfer sheet for use in a heat transfer printing method employing a sublimable dye, capable of producing an image which has a sufficiently high density and is excellent in sharpness, fastness properties and, in particular, resistance to light are provided. The dye has the following formula (I): ##STR1## The heat transfer sheet includes a substrate sheet, and a dye layer including the dye having formula (I), provided on one surface of the substrate sheet.
摘要:
The heat transfer sheet according to this invention including a substrate sheet and a dye carrier layer formed on one side of the substrate sheet and includes a dye and a binder. The dye contained in the dye carrier layer includes a compound having two chromophores linked together through a divalent linking group, and is improved in terms of both color density and storability, thus producing excellent effects.
摘要:
The heat transfer sheet according to this invention including a substrate sheet and a dye carrier layer formed on one side of the substrate sheet and includes a dye and a binder. The dye contained in the dye carrier layer includes a compound having two chromophores linked together through a divalent linking group, and is improved in terms of both color density and storability, thus producing excellent effects.
摘要:
The present invention provides a pyridine derivative represented by the following formula A or B, a dye produced by coupling the pyridine derivative A or B with an arbitray coupler and a thermal transfer sheet wherein use is made of the dye. In a thermal transfer process wherein use is made of a sublimable dye, the dye and the thermal transfer sheet according to the present invention can form a clear image having a sufficient density and an excellent light fastness. ##STR1##
摘要:
The present invention provides a pyridine derivative represented by the following formula A or B, a dye produced by coupling the pyridine derivative A or B with an arbitray coupler and a thermal transfer sheet wherein use is made of the dye. In a thermal transfer process wherein use is made of a sublimable dye, the dye and the thermal transfer sheet according to the present invention can form a clear image having a sufficient density and an excellent light fastness. ##STR1##