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:
A liquid crystalline compound having a novel structure and a process for producing the same are provided. The liquid crystalline compound is represented by the following general formula (I): wherein R1 and R2 each independently represent a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 1 to 22 carbon atoms and may be attached directly to the aromatic ring without through X1 or X2; R3 represents a hydrogen atom, a cyano group, a nitro group, a fluorine atom, or a methyl group; and X1 and X2 each independently represent an oxygen atom, a sulfur atom, or a —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCO—, or —CH2— group.
摘要:
A novel liquid crystalline charge transport material is provided which simultaneously has advantages of an amorphous material, that is, evenness in a large area, and advantages of a crystalline material having molecular alignment, is excellent in high-quality charge transport capability, film forming properties, various types of durability and the like, and permits the alignment to be regulated by external stimulation. The liquid crystalline charge transport material has smectic liquid crystallinity and an electron mobility of not less than 1×10−5 cm2/v.s.
摘要翻译:提供了一种新颖的液晶电荷输送材料,其同时具有无定形材料的优点,即大面积均匀性和具有分子取向性的结晶材料的优点,优异的电荷输送能力,成膜性能 ,各种耐久性等,并且允许通过外部刺激来调节对准。 液晶电荷输送材料具有近晶系液晶,电子迁移率不小于1×10 -5 cm 2 / v.s。