KR200422652Y1 - The real-picture transfer fabrics for output that usedin large-sized plotter - Google Patents

Abstract

The present invention relates to a real-time transfer fabric that can obtain high-quality photorealistic images by digitally printing an image onto a fabric with a thermal sublimation transfer ink and dyeing it by heat.

It has no cumbersome process in printing process compared to printing, printing, transfer, etc., which are used to express specific images such as banners, signboards, and fabrics used for interior decoration. It is a digital printing fabric with excellent printability, water resistance, abrasion resistance, alkali resistance, acid resistance, etc., while maintaining the same properties, and is used for indoor and outdoor advertising materials (flags, banners, etc.), polyester processed products, clothing, curtains, roll-breds, etc. The present invention relates to an actual yarn for large plotter output, which is suitably used as a fiber material.

Due Diligence

Description

The real-picture transfer fabrics for output that used in large-sized plotter}

1 is a manufacturing flow chart of the present invention

2 is a fabric configuration diagram of the subject innovation

3 is a transfer product completion flowchart using the fabric of the present invention

In order to express a specific image such as a photograph, a pattern, a graphic design, or the like for a banner or a signboard used for advertisement or a textile used for interior decoration, there are means such as printing, printing, and transfer, and the printing method is offset printing or gravure. Printing, screen printing, offset and screen hybrid printing has been mainly used, and the printing process is cumbersome and expensive. These methods were used a lot before the 90's when printing or printing was not developed, but recently, images are represented by inkjet printing digital printing technology using a large plotter and a computer.

In recent years, inkjet printing, which has been increasing in consumption, is easy to use because it prints images directly on fabrics by digital printing.However, the printed material is coated with a pharmaceutical agent containing an acrylic adhesive, silica, and a surfactant. The peeling phenomenon of falling off easily occurs, the value of the product is reduced, such as washing the ink in the cement rain water, there is a disadvantage that the defect rate is high in the production process.

In the case of printing, the existing complex printing process is mostly replaced by inkjet printing by a large plotter, and can be directly digitally printed on a chemically treated fabric. However, the post-treatment process is difficult, cumbersome and expensive. In addition, wastewater from the post-treatment process causes environmental pollution. Therefore, if the post-treatment process is eliminated, it will be an eco-friendly method as well as cost reduction.

The transfer method, which is frequently used to print letters or patterns on clothing or various textile products, prints designs such as pictures, letters, or graphics on paper, imitation paper, or a base made of special materials (hereinafter referred to as "transfer paper"). Or, it is a method of transferring the design printed on the transfer paper to another object using a chemical method, which is mainly applied to porcelain or glass products and enamel products (pots, tableware, pans, etc.) according to the type of transfer object and the method of transfer. Paper transfer, heat-melt transfer and sublimation transfer, which are mainly used for the transfer of textiles, direct transfer to transfer the printed transfer paper directly onto the transfer, without physical methods, and transfer-printed ink onto the transfer. There are various other transfer printing methods such as solvent transfer for adhesive transfer as a painted organic solvent.

In particular, thermal sublimation transfer is a transfer method using a sublimation ink whose main component is a disperse dye, and the printed surface of the transfer paper is closely adhered to a transfer material (wood, iron plate, tile, etc.) pretreated with a polyester fabric or a poly-based coating solution. The pressure is applied together with the heat of 250 ℃, the image printed on the transfer paper is a process of transferring to the surface of the transfer object, mainly using a thermal sublimation transfer ink. However, this requires a lot of time and effort because it goes through a number of production steps, and the production cost is high, and eventually the unit price of the product increases. In addition, because of the use of consumable transfer paper, the cost is high, the thermal transfer at a high temperature of 200 ℃ or more when attached to the transfer object, but the transfer rate is not good, the perfect transfer is difficult and the color development is low. In addition, there is a problem that not only the consumption of the transfer ink increases but also the quality is not good due to incomplete transfer.

Since the chemicals used to prevent the smearing of the ink are mainly used, the dissolving agent in water is mainly used. Therefore, the transfer does not occur completely even after thermal transfer at a temperature higher than 180 ° C. There is a drawback that is washed out little by little and transfer occurs at a high temperature of more than 180 ℃ and when heat transfer at a high temperature there is a disadvantage that the discoloration of the fabric occurs because the yellowing occurs due to the effect of the high temperature.

 Therefore, the present invention is to provide a high-quality, environmentally friendly photorealistic fabric that can print digital images with an inkjet printer.

Currently, environmental regulations for advertising materials are emerging, and consumers are in dire need of advertising materials that are excellent in physical properties, low in cost, and easy to work with. Therefore, it can be said that the development of eco-friendly materials and high-quality and workable advertising materials is urgently required. Unlike general transfer or printing, there is an urgent need for development of an environment-friendly and workable material that does not use a transfer paper and does not require a post-treatment process.

The present invention relates to an actual yarn, which is capable of dyeing images by outputting an image with a transfer ink and passing a non-pressurized transfer machine continuously or discontinuously, and requires a transfer paper or a post-treatment process. It is an excellent product that does not.

In the construction of the actual yarn, the ink absorbent, the color improving agent, the fabric softener, the preservative, the solvent, etc. are blended in an appropriate ratio, and the fabric is selected by immersion coating, knife coating, or dip coating on the fabric such as polyester. According to the usage and method, it is possible to select among synthetic fiber and natural fiber such as polyester fabric, polyester color fabric, polyester and cotton blend fabric, cotton fabric, silk fabric, nonwoven fabric and nylon fabric.

The ink absorber is suitably within 20wt% of the total weight, more preferably within 0.5 ~ 10wt%. If the ink absorber of 20wt% or more is used, it adversely affects the color development, which lowers the color development and does not improve the texture of the fabric and causes the manufacturing cost to rise. In addition, when used at 0.5wt% or less, the ink may be smeared and color development may be reduced. The ink absorbents are cationic substances and inorganic salts. The cationic material has a cation on the surface of the polyester fiber, which is a hydrophobic fiber, thereby imparting hydrophilicity to prevent ink bleeding and to improve printability. Cationic materials are typically cationic polymer resins. Cationic polymer resins include primary to tertiary amines or quaternary ammonium salts or dimethylamine-epichlorohydrin condensates, acrylamide-diarylamine copolymers, polyvinylamine copolymers, dicyandiamides, and dimethyl-di Allyl ammonium chloride and polyvinyl alcohol-cationic monomer and graft polymer or synthetic water-soluble polymer may be used or mixed. Inorganic salts include ammonium salts and nitrates. Some examples above have been presented to illustrate the present invention, but are not intended to be limiting.

The figure below shows an example of a cationic substance.

The color improving agent plays a role of excellent color development, and if it contains too much amount, the color becomes dark, so that the overall color becomes turbid. Therefore, it is preferable to use within 10wt% of the total weight, more preferably about 0.1 to 5wt%, and as the type of color improving agent, both organic acids and inorganic acids such as acetic acid, formic acid, ammonium sulfate, ammonium tartrate, tartaric acid, etc. Include.

The fabric softener is used to soften the fabric, preferably within 10wt%, more preferably within 0.1 to 5wt%. The ratio should be applied in accordance with the material, use, and purpose of the fabric. Examples of the fabric softeners include nonionic surfactants, cationic surfactants, and anionic surfactants. In particular, among nonionic surfactants, sorbitan fatty acid ester derivatives, polyoxyethylene ether derivatives, polyethylene glycol ether derivatives, and the like are most preferably used in products having HLB values between 2 and 18.

In the case of the ultraviolet absorbent is a drug for minimizing discoloration by ultraviolet rays, the weight ratio of the ultraviolet absorbent is preferably within 5wt%, more preferably 0.05 ~ 3wt%. As the ultraviolet absorber, a nonionic water-soluble polymer ultraviolet absorber is used.

Preservatives are used to prevent rot and mold generation of the fabric, the weight ratio of the preservative is preferably 5wt%, more preferably 0.05 ~ 3wt%. Preservatives include salicylic acid.

Water is used as a solvent and the total weight ratio is 50-98 wt%. Distilled or deionized water can be used to obtain better quality products. However, when distilled or deionized water is used, the cost increases, so general industrial water is used. In this case, a small amount of EDTA is added. It is irrelevant to use.

The flame retardant material may be treated by mixing the flame retardant with 10 to 50wt% of the weight of the pretreatment agent, depending on the thickness of the fabric and the required physical properties, and mixing the flame retardant alone or with a resin and a solvent. After the treatment to the fabric and then the pretreatment may be processed to produce the actual yarn. The flame retardant may include both inorganic flame retardants such as DBDPO, DBDPE, antimony trioxide, hexabromocyclododecane, phosphate (phosphorus), and organic flame retardants. In particular, it is preferable to use a cyclic phosphate flame retardant or a phosphorus compound. Cyclic phosphate-based flame retardants have excellent compatibility with pretreatment agents, and do not leave white powder on the fiber surface. In addition, first, the flame retardant is treated to the fabric in the same manner, and then the pretreatment may be treated by immersion, dipping, or coating.

In this way, the image is output on a large plotter while the image is output through a continuous or discontinuous type non-pressurized imprinter.

The live-transfer water-repellent fabric material is produced by the pre-treatment liquid-treated yarn, and then printed on a large plotter and transferred to a non-pressurized transfer machine in a continuous or discontinuous manner. Treatment with a coating method, such as knife coating and drying the fabric at 120 ~ 200 ℃ by a non-pressurized transfer machine or a pressurized transfer machine method can obtain a live-action water-repellent fabric.

Example 1

90 wt% of water (distilled water), 4 wt% of an ink absorber (cationic material), 1 wt% of a color improving agent (organic acid), 0.5 wt% of a preservative, 0.5 wt% of a water-soluble polymer ultraviolet absorber, and 4 wt% of a fabric softener.

Immersion coating on the prepared drug to the polyester fabric and dried to 120 ℃ ~ 200 ℃ to prepare an actual yarn. The printed yarn was printed on a large size plotter with a transfer ink and passed through a non-pressurized thermal transfer machine to produce a finished product.

Manufacturing method of general banner

Methanol 50wt%, polyurethane resin 5wt%, polyacrylic resin 20wt%, silica 10wt%, additive 15wt%. The prepared drug was knife coated on a polyester fabric and then dried at 120 ° C. to 200 ° C. to prepare a general banner. The finished general banner was printed on a large plotter with a pigment ink to produce a product. As the additive, lubricants such as surfactant, castor oil and paraffin oil were used.

Manufacturing method of general transfer fabric

The transfer paper was printed on a large-sized plotter with a transfer ink, and then overlaid on polyester fabric to pass through a 210 ° C. compression transfer machine to complete a conventional transfer fabric.

The diagram below is a comparative analysis of the actual transfer fabric of Example 1, the product directly outputted with pigment ink on the fabric for the conventional live-use film, and the conventional transfer product.

Example 1 Conventional General Banners Conventional transfer Wear resistance ◎ △ ◎ Color development ◎ △ ○ Water resistance ◎ ○ ◎ Fabric Texture ◎ △ ◎ Breathable ◎ ×× ◎ Economics ◎ △ ×× Product productivity ◎ △ ××

 Very good: ◎ Good: ○ Normal: △ Bad: × Very bad: ××

As described above, when comparing the conventional general banner with the "Example 1", all physical properties are excellent. In particular, the breathability, water resistance, and wear resistance of the fabric can be said to be excellent. Since the conventional general banner uses an ink absorber (silica), some silica dropout may occur. In addition, there are many differences in economics and product productivity from conventional transcription. In the case of the conventional transfer, it takes a lot of manpower and time because the transfer at the high temperature of 200 ℃ or more in the compression roller by overlapping the transfer and the fabric output to the normal transfer paper and again output. Example 1 can be said to be excellent in terms of economics or product productivity because the finished product by outputting to the fabric itself and passing through a non-pressurized transfer machine of 120 ~ 200 ℃.

Printing, printing, transfer, etc., which are frequently used to express specific images such as photographs, drawings, and graphic designs on banners, signboards used for advertisements, and textiles used for interior decoration, are used for peeling and printing quality. There were many disadvantages such as lowering, factors of cost increase such as transfer paper and post-treatment. Due to the fact that there is no peeling phenomenon or ink washing in cement rainwater, the actual yarn can cause environmental pollution, and there is no costly transfer paper or post-treatment, which makes printing cheaper and more efficient with a simpler process. It can be used in various polyester processed products, such as indoor and outdoor advertising materials, clothing, and industrial materials, without problems such as low color development and increased ink consumption due to the rate. In addition, due to the fact that the actual transfer fabric is a printing material for inkjet printing, which does not use transfer paper and does not require post-treatment process, unlike ordinary transfer or printing, it is 120 ℃ with a non-press type imprinter. Heat-sublimation transfer ink is dyed to the fiber by applying heat at a relatively low temperature of ~ 200 ℃, and maintains the properties of the fabric even after heat treatment, and excellent color development, printability, water resistance, abrasion resistance, alkali resistance, and acid resistance Since the yellowing of the fabric does not occur due to the high temperature to maintain, the quality is excellent, the economical shave is excellent, the effect is devised.

Claims (7)

50 ~ 98wt% water by weight of ink absorber within 0.5 ~ 20wt%, inorganic colorant or any one of organic color improving agent within 0.1 ~ 10wt%, fabric softener within 0.1 ~ 10wt%, UV absorber within 0.05 ~ 5wt%, preservative Photorealistic yarn for large plotter output, comprising immersing, kneading or dipping coating the pretreatment agent, optionally mixed with each other, within 0.05 ~ 5wt%. The method of claim 1, An ink absorbent includes a cationic material and an inorganic salt. The method of claim 2, Among the cationic materials, cationic polymer resins include primary to tertiary amines or quaternary ammonium salts or dimethylamine-epichlorohydrin condensates, acrylamide-diarylamine copolymers, polyvinylamine copolymers, dicyandiamide polymers, Photorealistic yarn for large plotter output comprising dimethyl-diallylammonium chloride copolymer and polyvinyl alcohol-cationic monomer and graft polymer. The method of claim 1, Fiber softener is a non-ionic surfactant, cationic surfactant, anionic surfactant for the output of the large-scale plotter yarn. The method of claim 4, wherein The nonionic surfactant is an actual yarn for printing for large plotters, wherein the HLB value is 2 to 18. 3-50 wt% inorganic flame retardant or organic flame retardant of the pretreatment agent weight of claim 1 mixed with a coating method such as a knife or immersion, dipping on the fabric fabric, the output for large plotting yarn According to claim 1 or 6, Fabric fabric is polyester yarn, polyester color fabric, polyester and cotton blended fabric, cotton fabric, silk fabric, non-woven fabric, nylon fabric, such as synthetic fiber and natural fiber output yarn for large plotters.

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