JP2021024279A5 - - Google Patents

Claims (14)

A method of manufacturing a printed matter in which an ink pattern formed on the surface of a lithographic plate is transferred to a blanket and then re-transferred to the surface of a substrate, wherein the plate pressure when transferring the ink pattern formed on the surface of the lithographic plate to the blanket is 50 N/cm ² or more and 105 N/cm ² or less, and the printing pressure when retransferring the ink pattern formed on the surface of the blanket to the surface of the substrate is 200 N/cm ² or more and 800 N/cm ² or less. A method for producing printed matter. When the ink pattern formed on the surface of the lithographic plate is transferred to the blanket, the pressing amount between the blanket and the lithographic plate is 0.05 mm or more and 0.20 mm or less, and the ink pattern formed on the surface of the blanket is transferred to the substrate. 2. The method for producing a printed matter according to claim 1, wherein the pressing amount between the blanket and the substrate when re-transferring to the surface is 0.20 mm or more and 0.40 mm or less. 3. The method for producing a printed matter according to claim 1, further comprising the step of curing the ink on the substrate by irradiating it with an active energy ray. 4. The method for producing a printed matter according to claim 1, wherein said planographic plate has a silicone rubber layer and a heat-sensitive layer on a substrate. 5. The method for producing a printed matter according to claim 4, wherein the silicone rubber layer has a thickness of 3.0 [mu]m or more and 5.0 [mu]m or less. The pressure required for the blanket to have a pushing amount of 0.15 mm is 50 N/cm or ^more and 105 N/cm or ^less , and the pressure necessary for the pushing amount to be 0.30 mm is 200 N/cm. The method for producing a printed matter according to any one of claims 1 to 5, wherein the blanket is ² or more and 800 N/cm ² or less. The pressure (A) required for the blanket to have a pushing amount of 0.10 mm, the pressure (B) required for 0.20 mm, the pressure (C) required for 0.25 mm, 0 The blanket satisfies the pressure ratios (B)/(A) and (D)/(C) of 1.0 or more and 3.0 or less when the pressure (D) required to reach 0.35 mm is taken as the pressure (D). 7. A method for producing a printed matter according to any one of 1 to 6. 8. The method for producing a printed matter according to any one of claims 1 to 7, wherein the blanket has a transfer layer on its surface, and the transfer layer contains ethylene-propylene-diene rubber (EPDM). The method for producing a printed matter according to any one of claims 1 to 8, wherein the transfer layer has an arithmetic mean roughness (Ra) of 0.4 µm or more and 2.2 µm or less. The blanket has two or more compressed layers with different porosities, the porosity of at least one compressed layer is 20% by volume or more and 40% by volume or less, and the porosity of at least one compressed layer is 45% by volume. The method for producing a printed matter according to any one of claims 1 to 9, wherein the blanket is at least 65% by volume or less. 11. The method for producing a printed matter according to any one of claims 1 to 10, wherein the blanket has a compressed layer having two or more regions with different porosities. The method for producing a printed matter according to any one of claims 1 to 11, wherein the substrate is at least one selected from plastic film, plastic film-laminated paper, metal, metal-deposited paper, and metal-deposited plastic film. 13. The method for producing a printed matter according to any one of claims 1 to 12, wherein printing is performed by a center impression printing method using a printing machine having an impression cylinder with a diameter of 2.0 m or more and 4.0 m or less. A waterless lithographic printing ink, a waterless lithographic printing plate having a silicone rubber layer thickness of 3.0 μm or more and 5.0 μm or less, and a pressure required to achieve a pushing amount of 0.15 mm of 50 N / cm ² or more and 105 N / cm ² or less, the pressure required for the pushing amount to be 0.30 mm is 200 N/cm ² or more and 800 N/cm ² or less, and the arithmetic average roughness (Ra) of the transfer layer of the blanket is 0 A method for producing a printed matter, wherein an ink pattern formed on the surface of a planographic plate is transferred to a blanket using a blanket having a thickness of 4 μm or more and 2.2 μm or less, and then transferred again to the surface of a base material .