KR20010000707A - Printing sheets and Compositions for print ink - Google Patents

Abstract

PURPOSE: A method for preparing a phosphorescent print sheet and a composition for a phosphorescent print ink are provided, which are to be used for printing photographs. CONSTITUTION: The composition comprises the mixture consisting of 88-95 wt% of a transparent urethane ink, 1-3 wt% of an urethane curing agent, 1 wt% of a powdered UV blocking agent, and 3-10 wt% of methyl ethyl ketone; and common light storing dye in the ratio of 1:1 by weight. The method comprises the steps of preparing the composition; coating the composition on a sheet such as paper, cloth or synthetic resin material homogeneously by the thickness of 0.1-1 mm by knife printing; and drying it at 70-80 deg.C for 2-3 min.

Description

Photoluminescent Print Sheet and Compositions for Print Ink

The present invention relates to a photoluminescent printing sheet and a photoluminescent printing ink composition for live-action output, which will be described in detail for photorealistic output photoluminescent printing capable of outputting high-quality photorealistic images such as personal and advertising materials using a computer output device (printer, floaty), etc. A sheet and a photoluminescent printing ink composition.

Generally, a sheet for a printer has a thermal paper which forms a heat-sensitive layer on a substrate of ordinary copy paper and paper, forms a protective layer on the heat-sensitive layer, and heats it by a thermal printer head to generate a shape including a character.

There is a thread-type printer sheet coated with a pressure-sensitive adhesive layer after the base material having the adhesive layer formed on a back surface thereof, but the printer sheet is simply labeled as office supplies or placed on a book or shelf at night. If you find a file you want or use it for advertising, you can't find it at all, so many scholars have been working to solve it.

Korean Patent Publication No. 201840 discloses a method for manufacturing a transfer paper for an inkjet printer in which an EVA coating layer is formed on a surface of a base sheet, and a powder nylon resin layer is formed on the EVA coating layer.

The Korean Utility Model Publication No. 86-1475 describes a natural color embroidered plate that forms a colored layer by sublimable ink transfer paper, and the Korean Utility Model Publication No. 7333 describes the interior of a three-dimensional label used for decoration or marking of goods. The three-dimensional label manufactured by laminating a photoluminescent material on the surface thereof is disclosed in Korean Patent Publication No. 181681 by applying a pigment mixture containing a photoluminescent pigment and calcium carbonate and a photoluminescent pigment coating composition composed of latex as a binder on a substrate layer. Formed photoluminescent paper, and Pub. No. 13985, a method of transferring the transfer paper to the transfer subject by printing by printing with a color printing ink printed on the transfer sheet,

In Korean Laid-Open Patent Publication No. 99-45829, an ink composition prepared by adding a phosphorescent material with an antioxidant, a pigment, or a dye to a thermoplastic resin solution having a low melting point is gravure-printed on a release-treated surface and dried. A method of depositing luminous or photoluminescent materials on fabrics is disclosed.

In the Korean Laid-Open Patent Publication No. 2000-6400, a pressure-sensitive adhesive layer was formed on a transparent film, and at the same time, a photoluminescent layer containing a photoluminescent material was formed on the surface to cut the transparent film to a desired size and to use it as a general printer. By forming a reflective layer on the photoluminescent layer and forming an adhesive layer on the reflective layer and coating the adhesive layer with release paper, a photoluminescent sheet for a printer used as a label in a desired place is disclosed.

The conventional techniques are to form a fixing layer on the surface of the substrate and a photoluminescent layer on the surface, and then to place a thermochromic layer between the fixing layer and the photoluminescent layer, to form a pressure-sensitive adhesive layer on the surface of the substrate and to form adhesive The present invention relates to a sheet for a printer coated with release paper on a layer, and a complicated manufacturing process, and an unnecessary process such as removing and using release paper during use, has emerged as a problem, and after forming a photoluminescent layer, an output ink can be fixed thereon. There is a problem in that the manufacturing process is complicated, such as coating a transparent film containing a fixing layer that can be applied, and the material to be applied is also limited.

In order to solve the above problems, the present invention is the manufacturing process is completed simply by coating the phosphorescent printing ink composition invented by the applicant in a unit unit and then drying the production process is very simple and directly printed directly on the surface of the photoluminescent layer Therefore, the luminous brightness and quality of printed materials are very excellent, and it is also very adaptable to the fabric used, so it can be used for various kinds of fabric materials such as papers, synthetic resins, fabrics, etc. It has an excellent advantage of almost no deformation even if it is extended or extended, so the range of use for personal, office and advertisement production is very wide in the area of use. In addition, the laser printer can be clearly output, and in particular, it is possible to produce prints having excellent color, sharpness and resolution regardless of the type of ink (dye, pigment ink) and the output device of the inkjet printer and plotter. The object is to provide a phosphorescent printing sheet and a phosphorescent printing ink composition.

In order to achieve the above object, the present invention is a mixture of 1 to 3% by weight of a urethane curing agent and 1% by weight of a UV protective agent (aka UV stabilizer) in a transparent polyurethane ink 88 ~ 95% by weight, methyl ethyl After adding 3-10% by weight of ketone (Methyle Ethyle Ketone) to uniformly mix, the phosphorescent pigment ink composition is prepared by stirring the mixture sufficiently by mixing the mixture 1: 1 by weight. And then uniformly apply the phosphorescent printing ink composition to the sheet (paper, cloth, synthetic water support, etc.) by knife printing, and then apply the material coated with the phosphorescent printing ink composition with a thickness of 0.1 to 1 mm in a hot air dryer. It relates to a phosphorescent printing sheet and a phosphorescent printing ink composition prepared by drying for 2 to 3 minutes at 70 ~ 80 ℃.

The transparent sheet is good for PP, PVC and urethane sheets, and can be used for printers installed in word processors or PCs, and the phosphorescent printing sheet using the phosphorescent printing ink composition on a sheet-like surface made of cloth, leather, artificial leather, plastic, and metal. It can be produced beautifully during the day as well as at night, and in the dark by the action of the photoluminescent ink that accumulates the light energy can be obtained a beautiful effect without supplying energy for a certain time.

Since the photoluminescent pigment used in the present invention is a commonly used photoluminescent pigment, it will not be described in detail here. It is used as an ink material, a solvent, a hardening | curing agent stabilizer, a solvent, etc., and its use is widely known in the field.

As a result of mixing the phosphorescent pigment in the mixture as described above, it is formed in a thin layered form by containing a phosphorescent body capable of emitting light for a long time, and absorbs light energy during the day and then emits light when it becomes dark in the present invention.

The manufacturing method of the photosensitive photoluminescent sheet for a computer output device manufactured in the present invention is simple, so the cost of the photoluminescent sheet product according to the present invention is very inexpensive, so the life of safety products using the characteristics of photoluminescent In addition to broadening the opportunities for utilization in Korea, it is also expected to contribute to the enormous import substitution effect and the national economy through exports, and it will be effective in terms of energy saving by reducing the use time of advertisement lighting.

The sheets applied are very diverse and the physical properties are excellent as described above, so the range of use is incomparable with the products manufactured by conventional manufacturing methods.

In addition, when printing on photosensitive print sheets and photoluminescent print sheets produced in such a process, high-definition, high resolution, and excellent color prints can be easily obtained regardless of the type of printer or plotter and the type of ink used. It can be combined with the effect of luminous and therefore has excellent advantages as a material for personal or decorative interiors.

The present invention will be described in detail with reference to the following Examples.

Example 1 (luminescent printing ink composition)

88% by weight of commonly used transparent urethane ink is mixed with 1% by weight of a urethane curing agent and 1% by weight of a powder sunscreen (aka UV stabilizer), and then additionally 10% by weight of methyl ethyl ketone. After the mixture was uniformly mixed, the phosphorescent pigment was mixed at a weight ratio of 1: 1 to prepare a phosphorescent printing ink composition.

Example 2 (luminescent printing ink composition)

95% by weight of commonly used transparent urethane ink is mixed with 1.5% by weight of a urethane curing agent and 0.5% by weight of a powder sunscreen (aka UV stabilizer), and then 3% by weight of methyl ethyl ketone is added thereto. After the mixture was uniformly mixed, the phosphorescent pigment was mixed at a weight ratio of 1: 1 to prepare a phosphorescent printing ink composition.

Example 3 (luminescent print sheet)

The phosphorescent printing ink composition prepared in Examples 1 and 2 was uniformly coated on a sheet (paper, cloth, synthetic water support, etc.) by knife printing, and then the phosphorescent printing ink composition was coated with a thickness of 0.1 mm. Was dried for 2 to 3 minutes at 70 ~ 80 ℃ with a hot air dryer to prepare a photoluminescent print sheet.

Example 4 (luminescent print sheet)

The phosphorescent printing ink composition prepared in Examples 1 and 2 was uniformly coated on a sheet (paper, cloth, synthetic water support, etc.) with a screen, roller or sprayer, and then the phosphorescent printing ink composition was applied with a thickness of 1 mm. Was dried for 2 to 3 minutes at 70 ~ 80 ℃ with a hot air dryer to prepare a photoluminescent print sheet.

The present invention as described above is a simple manufacturing process, low cost and low cost as an alternative to the import of the photoluminescent print, and directly printed on the surface of the photoluminescent layer, the luminous brightness and the image quality of the output is very excellent, and also used It is very adaptable and can be used for various kinds of fabric materials such as papers, synthetic resins, and fabrics, and it has excellent advantages such as almost no deformation even if it is stretched by 200% or more for fabrics requiring elasticity. Therefore, even in the area of use, the range of use, such as personal, office, advertising production is very wide, it is effective to output high-resolution color.

Claims (2)

In the method of manufacturing a photoluminescent print sheet, 1 to 3% by weight of a urethane curing agent and 1% by weight of a UV protective agent (aka UV stabilizer) in a powder state are mixed with 88 to 95% by weight of a transparent urethane ink, followed by methyl ethyl ketone (Methyle Ethyle Ketone) was added to 3 to 10% by weight of the mixture, and then uniformly mixed, the phosphorescent pigment was prepared by stirring thoroughly in a mixer with the mixture 1: 1 by weight to prepare a phosphorescent printing ink composition. Next, the phosphorescent printing ink composition is uniformly coated on a sheet (paper, cloth, synthetic water support, etc.) by knife printing, and then the material coated with the phosphorescent printing ink composition with a thickness of 0.1 to 1 mm in a hot air dryer. Method of producing a photoluminescent print sheet, characterized in that for 2 to 3 minutes to dry at 80 ℃. In the photoluminescent printing ink composition, 88 to 95% by weight of transparent urethane ink, 1 to 3% by weight of urethane curing agent, 1% by weight of ultraviolet ray shielding agent (aka UV stabilizer) and methyl ethyl ketone (Methyle Ethyle Ketone) 3 to 10% by weight A phosphorescent printing ink composition, characterized in that the conventional phosphorescent pigments in a mixture composition of 1% by weight of the mixture.