Abstract: The present invention relates to a resin composition for protective layer transfer sheets which includes a polyester resin produced by polycondensing a polyhydric alcohol component containing a hydrogenated bisphenol A in an amount of 30 mol % or more and a polycarboxylic acid component containing a benzenedicarboxylic acid in an amount of 50 mol % or more.

Abstract: The present invention provides a structure for storing coreless roll paper R having a hollow portion in the axis portion instead of a winding core, wherein the structure includes an outer case 2 for storing roll paper R; and a lower holding member and an upper holding member 4 respectively having concave portions 31,41 each having an inside diameter that closely matches the outside diameter of the roll paper R, each of the lower holding member 3 and the upper holding member 4 having an external shape that fits the outer case 2, wherein the lower holding member 3 is disposed in the outer case 2 with the concave portion 31 facing upward, and the upper holding member 4 is disposed in the outer case 2 at the location above the lower holding member 3 with its concave portion 41 facing downward.

Abstract: The present invention provides a structure for storing coreless roll paper R having a hollow portion in the axis portion instead of a winding core, wherein the structure includes an outer case 2 for storing roll paper R; and a lower holding member and an upper holding member 4 respectively having concave portions 31,41 each having an inside diameter that closely matches the outside diameter of the roll paper R, each of the lower holding member 3 and the upper holding member 4 having an external shape that fits the outer case 2, wherein the lower holding member 3 is disposed in the outer case 2 with the concave portion 31 facing upward, and the upper holding member 4 is disposed in the outer case 2 at the location above the lower holding member 3 with its concave portion 41 facing downward.

Abstract: The present invention relates to a resin composition for protective layer transfer sheets which includes a polyester resin produced by polycondensing a polyhydric alcohol component containing a hydrogenated bisphenol A in an amount of 30 mol % or more and a polycarboxylic acid component containing a benzenedicarboxylic acid in an amount of 50 mol % or more.

Abstract: The present invention provides a structure for storing coreless roll paper R having a hollow portion in the axis portion instead of a winding core, wherein the structure includes an outer case 2 for storing roll paper R; and a lower holding member and an upper holding member 4 respectively having concave portions 31,41 each having an inside diameter that closely matches the outside diameter of the roll paper R, each of the lower holding member 3 and the upper holding member 4 having an external shape that fits the outer case 2, wherein the lower holding member 3 is disposed in the outer case 2 with the concave portion 31 facing upward, and the upper holding member 4 is disposed in the outer case 2 at the location above the lower holding member 3 with its concave portion 41 facing downward.

Abstract: The present invention provides a structure for storing coreless roll paper R having a hollow portion in the axis portion instead of a winding core, wherein the structure includes an outer case 2 for storing roll paper R; and a lower holding member and an upper holding member 4 respectively having concave portions 31,41 each having an inside diameter that closely matches the outside diameter of the roll paper R, each of the lower holding member 3 and the upper holding member 4 having an external shape that fits the outer case 2, wherein the lower holding member 3 is disposed in the outer case 2 with the concave portion 31 facing upward, and the upper holding member 4 is disposed in the outer case 2 at the location above the lower holding member 3 with its concave portion 41 facing downward.

Abstract: The present invention provides a structure for storing coreless roll paper R having a hollow portion in the axis portion instead of a winding core, wherein the structure includes an outer case 2 for storing roll paper R; and a lower holding member 3 and an upper holding member 4 respectively having concave portions 31,41 each having an inside diameter that closely matches the outside diameter of the roll paper R, each of the lower holding member 3 and the upper holding member 4 having an external shape that fits the outer case 2, wherein the lower holding member 3 is disposed in the outer case 2 with the concave portion 31 facing upward, and the upper holding member 4 is disposed in the outer case 2 at the location above the lower holding member 3 with its concave portion 41 facing downward.

Abstract: The present invention provides a structure for storing coreless roll paper R having a hollow portion in the axis portion instead of a winding core, wherein the structure includes an outer case 2 for storing roll paper R; and a lower holding member 3 and an upper holding member 4 respectively having concave portions 31,41 each having an inside diameter that closely matches the outside diameter of the roll paper R, each of the lower holding member 3 and the upper holding member 4 having an external shape that fits the outer case 2, wherein the lower holding member 3 is disposed in the outer case 2 with the concave portion 31 facing upward, and the upper holding member 4 is disposed in the outer case 2 at the location above the lower holding member 3 with its concave portion 41 facing downward.

Abstract: The present invention provides a thermal transfer sheet, a thermal transfer method and a thermal transfer system using thermal transfer sheet. The thermal transfer sheet provided with a coloring layer and the adhesive layer being disposed on the substrate in this order, wherein the adhesive layer is formed of a mixture comprising a copolymerization product (A) obtainable by polymerizing an &agr;-olefin/a maleic acid anhydride copolymer with a maleic acid anhydride monoester and an ethylene/vinyl acetate copolymer (B). The thermal transfer sheet is superior in storage stability in a rolled condition and in printing quality, and also capable of forming a print products having excellent functions as to durability such as wear resistance and heat resistance in high-speed printing.

Abstract: A thermal transfer ribbon comprises a substrate and a color layer formed on the substrate, the color layer comprising a binder resin and a color material, and the color material is composed of a first carbon black having a dibutyl phthalate (DBP) oil absorption of 50-150 ml/100 g and a BET specific surface area of 50-250 m2/g and a second carbon black having a DBP oil absorption of 350-500 ml/100 g and a BET specific surface area of 800-1300 m2/g. The color layer contains the first and second carbon blacks at a total amount of 10-25 wt %. According to the structure described above, there can be provided a thermal transfer ribbon having a good anti-static property and capable of forming printed matters or images excellent in durability and image quality.

Abstract: A thermal transfer sheet for printing a printed matter having a metallic luster comprises of a substrate, a deposition anchor layer, a metal deposition layer and an adhesive layer. The deposition anchor layer, the metal deposition layer and the adhesive layer are formed in this order on one surface of the substrate. The deposition anchor layer contains a linear polymer having a glass transition temperature of not less than 130° C. by an amount of not less than 40 weight % of a total weight of the deposition anchor layer to thereby preventing the metal deposition layer from clouding due to high heat of a thermal head.

Abstract: The present invention provides a thermal transfer sheet, a thermal transfer method and a thermal transfer system using said thermal transfer sheet. The thermal transfer sheet provided with a coloring layer and the adhesive layer being disposed on the substrate in this order, wherein the adhesive layer is formed of a mixture comprising a copolymerization product (A) obtainable by polymerizing an &agr;-olefin/a maleic acid anhydride copolymer with a maleic acid anhydride monoester and an ethylene/vinyl acetate copolymer (B). The thermal transfer sheet is superior in storage stability in a rolled condition and in printing quality, and also capable of forming a print products having excellent functions as to durability such as wear resistance and heat resistance in high-speed printing.

Abstract: A thermal transfer sheet for printing a printed matter having a metallic luster comprises of a substrate, a deposition anchor layer, a metal deposition layer and an adhesive layer. The deposition anchor layer, the metal deposition layer and the adhesive layer are formed in this order on one surface of the substrate. The deposition anchor layer contains a linear polymer having a glass transition temperature of not less than 130° C. by an amount of not less than 40 weight % of a total weight of the deposition anchor layer to thereby preventing the metal deposition layer from clouding due to high heat of a thermal head.

Abstract: A thermal transfer sheet for printing a printed matter having a metallic luster comprised of a substrate, a deposition anchor layer, a metal deposition layer and an adhesive layer. The deposition anchor layer, the metal deposition layer and the adhesive layer are formed in this order on one surface of the substrate. The deposition anchor layer contains a linear polymer having a glass transition temperature of not less than 130.degree. C. by an amount of not less than 40 weight % of a total weight of the deposition anchor layer to thereby preventing the metal deposition layer from clouding due to high heat of a thermal head.

Abstract: A composite thermal transfer sheet 100 comprising: a thermal transfer film 10 comprising a base film 11 and a heat-fusible ink layer 13 formed on the base film 11; and a thermal transfer image-receiving sheet 20 comprising a substrate 21 and a receptor layer 22 formed on the substrate 21, the receptor layer 22 comprising a thermoplastic resin, which has an adhesive property, and an inorganic and/or organic filler, the receptor layer 22 and the heat-fusible ink layer 13 being peelably bonded to each other by the adhesive property of the thermoplastic resin in the receptor layer 22, so that the thermal transfer film 10 and the thermal transfer image-receiving sheet 20 are peelably bonded to each other.

Abstract: A composite thermal transfer sheet 100 comprising: a thermal transfer film 10 comprising a base film 11 and a heat-fusible ink layer 13 formed on the base film 11; and a thermal transfer image-receiving sheet 20 comprising a substrate 21 and at least one receptor layer 22 formed on the substrate 21, the thermal transfer film 10 and the thermal transfer image-receiving sheet 20 being peelably bonded at the sides of the heat-fusible ink layer 13 and the receptor layer 22 respectively, the receptor layer 22 including colorant and binder, the binder including pyroxyline or polyamide resin.