KR100609935B1 - The water base coating mixture can print in the fabric combined use dye and pigment, and the manufacture method of the heater seal fabric used for ink-jet out-put - Google Patents

Abstract

The present invention is a new coating formulation technology for producing inkjet printing dyes and pigments for printing output (banner, tent, oxford, canvas, flag, nonwoven fabric, etc.), which is a non-environmentally friendly (alcohol and solvent) which is a disadvantage of conventional coating formulations. It is to provide a new concept of water-based coating formulation that complements the pigment ink-based color development and the like, and also introduces a new concept of technology to the present invention, and thus, another product is to be invented. By coating the "Heater seal" on the back, the invention prints the "Heater seal fabric for inkjet printing" which can obtain the adhesive strength of excellent durability by heat-sealing the printed output to the inkjet plotter and printer.

Inkjet plotters, inkjet printers, water resistance, light resistance, color development, textiles, heat seals, coating layers, hot melts.

Description

Water-based coating mixture can print in the fabric combined use dye and pigment, and the manufacture method of the heater seal fabric used for ink-jet out-put}

Representative Figure-1 is a drawing of a salt, pigment and water resistant fabrics for inkjet printers and fluttering provided by the present invention

Representative Figure-2 is a drawing of a "heater seal fabric for ink jet output" provided by the present invention

1 : Top ink absorbing layer (micro porous layer)

2: Fixing of anionic ink

3: fabric (banner, tent, oxford, canvas, non-woven fabric, etc.)

4: primer coating layer

5: Heater seal coating layer

The present invention relates to a water-based coating formulation technology for inkjet printers and plotters, and water-resistant fabrics and products thereof, when printing using water-based dye ink, water-based pigment ink, oil pigment ink, can be used in common without replacement of the printout. To provide practical textiles that can be.

The actual fabrics of the blending technique similar to the present invention are slightly different depending on the type of ink, and the solvents used in the blending are alcohols, toluene, xylene, xylene, arsenic, MEK, DMF, etc. Of course, the reality is that it is composed of ingredients that are harmful to the environment.

Therefore, in the present invention, by introducing a 100% aqueous blending technology, it is possible to be applied to a variety of desktop products as well as a wide range of advertising market by realizing the high resolution of the photorealistic output using dyes and pigment inks that are friendly to humans and the environment.

The present invention is to solve the problems of the prior art as described above, and to realize the adhesion and soft touch expression which is a disadvantage of the aqueous formulation coating layer and also to introduce a new concept of technology to the present invention is to invent another product By coating the "heater seal" on the back of the invention to heat-bond the inkjet printout to the desired place to invent a "heater seal fabric for inkjet output" that can obtain excellent durability adhesive strength.

The configuration and operation of the present invention can also be broadly divided into two.

The first aspect of the present invention is to obtain an ink-jet fabric material having excellent eco-friendly performance by coating the surface of fabrics with an inkjet plotter, a dye for a printer, and a pigment-based aqueous coating compounding technology.

The second invention is to obtain another new output media material by treating hot melt for “Heater seal” on the back of the first invention.

In order to achieve the object of the first aspect of the present invention, the ink-jet printing fabric of the present invention comprises a 100% synthetic fiber fabric such as polyester, polypropylene, nylon, and the like, and a coating layer formed on the surface of the fabric such as synthetic fabric and cotton fiber. The coating layer is largely composed of a coating combination of four material groups.

The first material is a porous absorption filler pigment, which is the most common non-hard silica (amorphous silica or fine powder silica), and alumina, aluminum silicate, calcium carbonate, especially alumina hydrate does not require a dye fixer because the pigment particle surface is castionable. The porous absorbent filler used was synthetic silica, the crystal structure of which was amorphous, and the porous acid type silica powder with particle size of 4 ~ 12 micron was used.The specific surface area was 250 ~ 400㎡ / g and pore volume. It is 1.2-1.9 ml / g, It is characterized by using the thing of oil absorption 200-350 kPa / 100g.

The second material is characterized by the introduction of a dye fixer in order to have the dye's fixability and high color development. As the dye fixer, cation compounds which form an insoluble complex by ion-bonding sulfonic acid groups and carboxylic acid groups of dyes are used. As cation compounds, polyvalent metal ions represented by Al ³⁺ , Ca ²⁺ , Mg ²⁺ , There are also Cation surfactants such as benzylconium chloride, and Cation-based polymers are used as dye-fixing agents. Polyethylenimine salts, epichlorohydrin condensates, polyvinylamine salts, polyarylamine salts, and polymethyl Aminoethyl methacrylate quaternary salts, polyacryldimethylammonium salts, salts of diarylacrylamide copolymers, polystyrene quaternary ammonium salts, and the like. In the present invention, two or more kinds of Cation-based polymers are used.

The third material is an aqueous emulsion and a water soluble binder used to impart the adhesion of silica and the water resistance of the coating surface. As a binder for inkjet coating, polyvinyl alcohol, polyvinylpyrrolidone, vinylpyrrolidone-vinyl acetate copolymer, resin composition mainly composed of PVA, polyacrylate copolymer, synthetic latex type, polyvinyl acetal Systems, synthetic polymers, polyvinyl acetate and vinyl acetate copolymers, ethylene and vinyl acetate copolymers, and the present invention is characterized by using two or more of these types of binders.

Fourth, functional additives include antifoaming agents, antioxidants, dispersants, fluorescent dyes, colorants, water repellents, wetting agents, leveling agents, and the like.

An object of the present invention is to obtain an inkjet printing textile media material by appropriately coating and mixing the four groups of materials described above and obtaining and coating a coating composition having a desired performance.

In the present invention, the inkjet coating blending ratio is about 400 parts by weight of the porous absorbent pigment in a weight part relative to the solid content, the dye fixing agent: 5-15 parts by weight, the binder: 30-40 parts by weight, the dye fixing agent: 5-15 parts by weight. , Functional additive: 1 part by weight is suitable, the ideal blending ratio of porous absorbent pigment (silica): 50 to 55 parts by weight, binder: 34 to 38 parts by weight, dye fixing agent: 8 to 12 parts by weight, functional additives: 1 part by weight.

Figure 1

Figure 2

Figure 1 is an enlarged cross-sectional view showing a preferred embodiment of the present invention will be described in detail with the drawings. 1 is an ink absorbing layer, 2 is an ink fixing layer, 3 is a fabric (cloth), and A is a printer ink on the top layer. Contact step, step B is the ink is absorbed and moved to the ink absorbing layer, step C is the absorbed ink is fixed and formed into an image.

Figure 2 is a description of the ink absorption method of the textiles coated with the aqueous inkjet coating formulation of the present invention and the ink absorption method of the conventional oil-based coating formulation. A is an ink absorption method of textiles coated with a conventional oil-based coating formulation. Instead of absorbing ink by the absorbent layer of the porous layer, the ink is absorbed by the swelling of the oil-based resin of the coating layer. In the case of fine particles, the ink spreads and the color development of the ink tends to be inferior. B is an ink absorption method of textiles coated with the water-based inkjet coating formulation technology of the present invention, which consists of a porous ink absorbing layer and an ink fixing layer of absorbing ink. The ink did not bleed, and the ink was firmly fixed so that the color development, water resistance and ink bleeding were excellent.

In order to achieve the object of the second invention constituent action is to complete another output media material by treating a hot melt for primer coating and a heater seal on the back of the fabric of the finished product in the first invention. In the present invention, it is divided into a primer coating layer and a hot melt coating layer for a heater seal. As a material used for the primer coating layer, a polyacrylate resin and a polyurethane resin were used, and the coating thickness was about 10 to 15 g / m 2 for the fabric and the heater seal. The adhesion of the hot melt layer and the adhesive strength of the heater seal are increased. The material used for the hot melt coating layer for the heater seal is polyamide-based and polyester-based. The melting point is 100 ~ 130 ℃, and the coating thickness is about 30 ~ 40g / ㎡. Was important. The test result of completing the invention "heater seal fabric for inkjet output" was found to have excellent color development, water resistance, heat adhesiveness.

Photo 1,2 shows the application of "Inkjet Printing Heater Seal Fabric" thermally bonded to cotton fabric.

That is, the coating compounding technology of the present invention is 100% aqueous, which is environmentally friendly and has excellent blending stability, coating stability, working environment improvement, soft touch, durability of excellent color development, water resistance, light resistance, chemical resistance, etc. of dyes and pigment inks. It is guaranteed to provide a wide range of effects such as wide range of applications, differentiation of materials, stable price, and customer satisfaction. In addition to the above invention, inkjet printing dyes and pigments for printing on the back of the fabric for printing the heat sealer hot melt for coating by inkjet printers and plotters are printed and then heat-bonded to other materials, so the inkjet can maintain excellent adhesive strength To provide a media material.

As described in detail above, the inkjet plotter, printer salt and pigment fabrics, and the heater seal fabrication of the fabrics provided in this paper are a new concept of output media for printing inkjet thermal transfer papers. The strength of the resin is not washable with a washing machine, but washable by hand, but the "heater seal fabric for inkjet output" developed in the present invention, the adhesive strength is excellent, the washing function of the washing machine more than 6 times appeared to test results It can be replaced with inkjet thermal transfer paper because of its excellent adhesive strength, and also it will be used for advertising, fancy, art fashion, small quantity product labeling, inkjet character mouse pad, etc. The coating formulation used is 100% aqueous, which is more effective than conventional oil coating formulations. Friendly, so it will have a pleasant workplace environment, there is no difficulty in the future production site.

Claims (8)

A coating layer formed on a surface of a fabric for inkjet printing, the coating layer comprising: a porous absorbent pigment selected from a group of materials including non-hard silica, alumina, aluminum silicate, and calcium carbonate; Dye fixers selected from the group of materials comprising cationic compounds, cationic surfactants and cationic polymers; Polyvinyl alcohol, polyvinylpyrrolidone, vinylpyrrolidone-vinyl acetate copolymer, resin composition mainly composed of PVA, polyacrylate copolymer, synthetic latex, polyvinyl acetal, synthetic polymer, polyvinyl acetate A water-soluble binder selected from a group of materials comprising vinyl acetate copolymer and ethylene and vinyl acetate copolymer; Formulation of the porous absorbent pigment, dye fixing agent and water-soluble binder is 40 to 60 parts by weight, 5 to 15 parts by weight and 30 to 40 parts by weight of the aqueous coating formulation for inkjet printing, respectively. The method of claim 1, wherein the aqueous coating formulation further comprises a functional additive selected from a group of materials including antifoaming agents, antioxidants, dispersants, fluorescent dyes, colorants, water repellents, wetting agents and leveling agents; The aqueous coating formulation for inkjet printing, characterized in that 5 to 15 parts by weight. The method of claim 1, wherein the dye fixing agent is polyethyleneimine salt, epichlorohydrin condensate, polyvinylamine salt, polyarylamine salt, polymethylaminoethyl methacrylate quaternary salt, polyacryldimethylammonium salt, diarylacrylic An aqueous coating formulation for inkjet printing, characterized in that at least two selected from a group of materials including a salt of an amide copolymer and a polystyrene quaternary ammonium salt. The aqueous coating formulation of claim 1, wherein the water-soluble binder is used by selecting and mixing two sub-phase materials from the selection group. An inkjet printing fabric, comprising an ink adhesive layer and an ink absorbing layer by applying the aqueous coating composition for inkjet printing according to claim 1 to a fabric to form a coating layer. 6. The inkjet printing fabric of claim 5, wherein a primer coating layer and a hot melt coating layer for a heat seal are provided on the back side of the inkjet printing fabric to provide thermal adhesiveness. . 7. The inkjet printing fabric of claim 6, wherein the primer coating layer is made of polyacrylate resin or polyurethane resin. 7. The inkjet printing fabric of claim 6, wherein the hot melt coating layer for the heat seal is a polyamide-based or polyester-based material having a melting point of 100 to 130 degrees Celsius.

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