An ink composition including a humectant blend comprising a first humectant and a second humectant; wherein the first humectant has a freezing point; wherein the second humectant suppresses the freezing point of the first humectant such as to impart to the ink composition the characteristic of being able to be stored at a desired temperature without solidifying; water; an optional co-solvent; an optional colorant; and a sulfonated polyester. A process of digital offset printing using the ink composition.

A method for manufacturing the panel element (1) according to an aspect of the present invention includes: a process of printing a printed layer (4a) formed of an ink that does not transmit light on a front side of a resin sheet (3); a process of superimposing and printing a printed layer (4b) on an upper surface of the printed layer (4a) to form a laminated printed layer (4); and a process of irradiating the laminated printed layer (4) with laser light on a front side thereof to remove a part of the laminated printed layer (4) and to form a hole portion having a vertical end face in the laminated printed layer (4).

A method for manufacturing the panel element (1) according to an aspect of the present invention includes: a process of printing a printed layer (4a) formed of an ink that does not transmit light on a front side of a resin sheet (3); a process of superimposing and printing a printed layer (4b) on an upper surface of the printed layer (4a) to form a laminated printed layer (4); and a process of irradiating the laminated printed layer (4) with laser light on a front side thereof to remove a part of the laminated printed layer (4) and to form a hole portion having a vertical end face in the laminated printed layer (4).

The present invention is related to a flexible packaging substrate comprising one or more crosslinked ink layers and to a method for the production of said printed substrate.

The present invention is related to a flexible packaging substrate comprising one or more crosslinked ink layers and to a method for the production of said printed substrate.

Printed multilayer polymeric films are provided that include a flexible polymeric film layer, one or more non-photochromic layers each including a solvent-based ink composition having one or more non-photochromic inks that are at least partially transparent to ultraviolet radiation, and one or more photochromic layers each including a water-based ink composition having one or more photochromic inks that undergo a color change upon exposure to ultraviolet radiation. Also provided are methods for making the printed multilayer polymeric films. Packages for containing a product therein that include the printed multilayer polymeric films are also provided. Methods for making the packages and methods for packaging a product that employ the printed multilayer polymeric films are also provided. Rolls of film for forming the packages that include the printed multilayer polymeric films are also provided.

Printed multilayer polymeric films are provided that include a flexible polymeric film layer, one or more non-photochromic layers each including a solvent-based ink composition having one or more non-photochromic inks that are at least partially transparent to ultraviolet radiation, and one or more photochromic layers each including a water-based ink composition having one or more photochromic inks that undergo a color change upon exposure to ultraviolet radiation. Also provided are methods for making the printed multilayer polymeric films. Packages for containing a product therein that include the printed multilayer polymeric films are also provided. Methods for making the packages and methods for packaging a product that employ the printed multilayer polymeric films are also provided. Rolls of film for forming the packages that include the printed multilayer polymeric films are also provided.

An ink composition for screen printing having a measured flow radius value 13.0 to 24.0 mm after 1 minute from the start of measurement by a flow property measuring method using a spread meter at 25 C. according to JIS K5701-1:2000, F60F451.0 mm is satisfied, wherein F60 and F45 are defined as measured flow radius values after 1 minute and 45 seconds, respectively, from the start of measurement by the flow property measuring method, the viscosity is 5 to 180 Pa.Math.s, the thixotropic index is 2.0 to 8.0, the composition contains a solvent with a boiling point at least 170 C. at least at 70 mass % and a thermoplastic polymer with a weight-average molecular weight of at least 4000 and with a Tg of 20 to 95 C. at least at 10 mass %, wherein the printed image coating film has an elongation percentage at least 250%.

An ink composition for screen printing having a measured flow radius value 13.0 to 24.0 mm after 1 minute from the start of measurement by a flow property measuring method using a spread meter at 25 C. according to JIS K5701-1:2000, F60F451.0 mm is satisfied, wherein F60 and F45 are defined as measured flow radius values after 1 minute and 45 seconds, respectively, from the start of measurement by the flow property measuring method, the viscosity is 5 to 180 Pa.Math.s, the thixotropic index is 2.0 to 8.0, the composition contains a solvent with a boiling point at least 170 C. at least at 70 mass % and a thermoplastic polymer with a weight-average molecular weight of at least 4000 and with a Tg of 20 to 95 C. at least at 10 mass %, wherein the printed image coating film has an elongation percentage at least 250%.

A sign manufacturing system includes a printing base, a printing panel with a top layer, pressure sensitive adhesive and a transparent bottom layer, a bridge component, a sliding assembly, including an assembly body, a cutting laser, a liquid ejection unit, a curing laser, and a control unit, such that the cutting laser cuts out characters in the top layer without affecting the bottom layer, and such that the liquid ejection unit deposits spherical domes of printing fluid on exposed surface of the transparent bottom layer to form a braille text.