KR100282701B1 - Gravure transcripts used for nonabsorbable surfaces such as metal plates and transfer methods using them - Google Patents

Abstract

The present invention relates to a gravure transfer paper used for a non-absorbent surface such as a metal plate and a transfer method using the same. The transfer paper includes a release layer on which a wax, an acrylic resin, a mixture of methyl ethyl ketone and ethanol, and toluene are mixed on a transfer paper; A protective primer layer which is mixed with polyurethane, a mixture of methanol and isopropyl alcohol, and an antifoaming agent and is located on an upper surface of the release layer to prevent cracking and reinforce adhesion; A mixture of a pigment, an acrylic resin and a vinyl resin, a solvent, an antifoaming agent, and a mixture of toluene, methyl ethyl ketone and ethanol is placed on the upper surface of the protective primer layer to prevent discoloration and adhesion to the protective primer layer. A constant ink printing layer for reinforcing the mixture, a mixture of poly meta methyl acrylate resin and cellulose resin, a mixture of methyl ethyl ketone and toluene, a mixture of an antifoaming agent and a solvent, and the printing layer Located on the upper surface of the adhesive layer to enhance the adhesion. Accordingly, by using the gravure transfer paper and the transfer method, a metal plate of about 40 m / min can be produced, so that a delicate pattern and any desired design on an existing metal plate can be quickly displayed.

[Index]

Decal

Description

Gravure transfer paper used for non-absorbent surface such as metal plate and transfer method using the same

The present invention relates to a gravure transfer paper used for a non-absorbent surface such as a metal plate and a transfer method using the same.

In general, transfer paper is for printing printed materials such as letters, pictures or patterns on the surface of metal plates, synthetic resins, glass products, etc., and transfer paper, release layer, protective barrier film, surface treatment film layer, printing layer and adhesive layer are sequentially Formed.

However, such a conventional transfer paper has a problem in that the elasticity of each component is small, so that the adhesive strength is weak at the time of transfer, and that the protective layer protecting the picture and the pattern is weak, so that the transfer state is not clear and beautiful.

In order to solve this problem, Korean Patent Application Laid-Open No. 93-2134 (Application No.) discloses a transfer paper capable of transferring letters, pictures, and various patterns to strong absorbent wood or boards by strengthening adhesion and elasticity. : 91-11956) is disclosed in a multi-color thermoelectric for polyester film.

Such transfer paper is as follows. That is, the transfer paper is a thermal transfer paper, a polyester film having a thickness of 12㎛ ~ 50㎛ is applied, and the release layer is 10wt% of parffin wax, 90wt% of ester wax, 20wt% of chlorinated rubber and 5 wt% of paraffin chloride and 75 wt% of toluene. The protective barrier layer is formed of methyl methacrylate resin, and the printing layer is made of 20 wt% of pigment, 55 wt% of toluene, 18 wt% of methyl methacrylate resin and dioctyl phthalate 2wt% and 5wt% of ethylene vinyl acetate are mixed to form an ink composition, and the surface treatment film layer forms a close contact between the protective barrier film layer and the print layer in which a substance which is sensitively dissolved with toluene, the main solvent of the printing layer, is introduced. The adhesive layer is composed of 23% by weight of methyl-en (n) -butylmethacryl copolymer, 59% by weight of toluene, 3% by weight of polyamide resin, 10% by weight of isopropyl alcohol and 5% by weight of dibutyl phthalate. Joe is.

By the way, the transfer paper used in the protective barrier layer using methylmethacrylic resin, cracks during thermal transfer and poor adhesion, pigment 20wt%, toluene 55wt%, methylmethacrylic resin 18wt% and dioctyl phthalate (dioctyl phthalate) ) The printing layer which forms the ink composition by mixing with 2wt% and 5wt% of ethylene vinyl acetate is inconvenient in its use because it may be discolored, and because it is composed of various layers, the thickness is thick and the raw material is expensive. There is a problem that the cost is expensive, and the production time takes a lot.

The present invention has been made to solve the above-mentioned problems, non-absorbent metal plate such as non-absorbent metal plate that can be easily and cheaply transferred to the letter, picture, pattern, etc. in a variety of colors at a quick time and at low cost The purpose of the present invention is to provide a gravure transfer paper used for the surface and an exhibition method using the same.

According to the present invention, there is provided a transfer paper having a highly flexible polyethylene telephthalate film of 16 to 50 microns in a transfer paper, wherein 1 wt% to 3 wt% of wax is placed on the transfer paper. , 19 wt% to 21 wt% of acrylic resin, 76 wt% to 78 wt% of mixture of methyl ethyl ketone and ethanol, 1 wt% to 3 wt% of toluene, and 19 wt% polyurethane ~ 21wt%, 78wt% ~ 80wt% mixture of methanol and isopropyl alcohol (ISO-Propyl Alcohol) and 0.5wt% ~ 1.5wt% antifoaming agent are mixed and located on the upper surface of the release layer to prevent cracking and adhesion A protective primer layer to reinforce; 14 wt% to 16 wt% of pigment, 29 wt% to 31 wt% of a mixture of acrylic resin and vinyl resin, 0.5 wt% to 1.5 wt% of solvent, antifoaming agent, toluene, and 53 wft% to 55 wt% of a mixture of methyl aryl ketone and ethanol. A constant ink print layer positioned on an upper surface of the protective primer layer to prevent discoloration and to reinforce adhesion to the protective primer layer; 39 wt% to 41 wt% of a mixture of poly meta methyl acrylate resin and cellulose resin, 57 wt% to 59 wt% of a mixture of methyl ethyl ketone and toluene, and 1 wt% to 3 wt% of a mixture of an antifoaming agent and a solvent It is achieved by a gravure transfer paper used for non-absorbent surface, such as a metal plate which is located on the upper surface of the printing layer and includes a contact layer to enhance adhesion.

The above object is, according to another field of the present invention, after applying a release layer and a protective primer layer to a highly stretchable polyethylene telephthalate film aberration, and then placing a printing layer on which various various patterns and colors are plated In the method of transferring the gravure transfer prepared by applying an adhesive layer to a non-absorbent surface such as a metal plate, a rubber heated on a metal plate coated with an epoxy polyester-based primer on the surface and heated to about 180 ℃ to 240 ℃ A first step of roller bonding with a roller, a second step of peeling gravure transfer paper having various patterns and colors transferred to the metal plate while the metal plate is cooled and dried, and a transparent acrylic protective cleaner after drying the metal plate with hot air again. Non-absorbent surface, such as a metal plate, including a third step of applying and further heating at about 200 ° C to 240 ° C. It is achieved by the ice method to transfer various patterns and hues to.

Hereinafter, an example of a gravure transfer paper and a transfer method using the same for non-absorbent surfaces such as metal plates according to the present invention can be easily carried out by those skilled in the art to which the present invention pertains. It will be described in detail as follows.

The manufacturing method and structure of a gravure transfer paper used for the nonabsorbable surface, such as a metal plate by this invention, are as follows.

The gravure transfer paper is a waxy 1wt% to 3wt%, acrylic resin 19wt% to 21wt%, methyl ethyl ketone (Methyl) on the upper surface of the stretched polyethylene telephthalate film 16-50 micron A release layer prepared by mixing 76 wt% to 78 wt% of a mixture of ethyl ketone and ethanol and 1 wt% to 3 wt% of toluene was applied to the film by a gravure printing method, and 19 wt% to polyurethane on the upper surface of the release layer. 21 wt%, a mixture of methanol and isopropyl alcohol (ISO-Propyl ALcohol) is made of 78wt% to 80wt%, antifoaming agent 0.5wt% to 1.5wt% to form a protective primer layer to prevent cracking and improve adhesion A copper plate having various patterns and colors on the upper surface of the protective primer layer; pigment 15wt%, mixture of acrylic resin and vinyl resin, 29wt% ~ 31wt% solvent, antifoaming agent and toluene 0.5wt% ~ 1.5wt%, methyl A mixture of ethyl ketones is 53 After forming the invariant ink print layer made of wt% to 55wt%, a mixture of poly metamethyl acrylate and cellulose resin was 39wt% to 41wt%, methyl ethyl on the upper surface of the printing layer. The mixture of ketone and toluene is 57wt% to 59wt%, and comprises an adhesive layer made of 1wt% to 3wt% of a mixture of antifoaming agent and solvent. Moreover, a release layer and a protective primer layer are apply | coated abundantly to the stretchable polyethylene polyethylene phthalate film.

The method of transferring various letters, patterns, and colors to non-absorbent surfaces such as metal plates using the obtained gravure transfer paper is largely made of an adhesion process, a peeling process, and a protective layer coating process.

The above steps will be described in detail as follows. first; The bonding process is carried out from the printing layer of the gravure transfer paper by transferring the transfer paper obtained as described above, by placing an epoxy polyester primer on the surface and placing it on a general metal plate heated to about 180 ° C to 240 ° C and roller-bonding with heated rubber. It is made by transferring various letters, patterns, and colors onto the metal plate.

second; The peeling process is performed by cooling and drying the metal plate to which the gravure transfer paper is attached, and peeling off the gravure transfer paper on which various letters, patterns, and colors are transferred to the metal plate.

third; The protective layer coating process is performed by drying with hot air so that there is no moisture in the metal plate, and then applying a transparent acrylic protective cleaner and then heating the same at 200 ° C to 250 ° C.

As described above, when the transparent acrylic protective cleaner is hardened and cooled, a metal plate on which various letters, patterns, and colors are transferred is completed on the metal plate. In this case, the release layer makes the polyethylene telephthalate film excellent in elasticity and the smooth peeling between the transfer coating film and the film, and the protective layer prevents the penetration of the printing layer of the top coat cleaner and the penetration of the release layer of the printing layer ink, the release layer and the printing. To prevent cracking between layers and to improve printability, the printing layer expresses various colors and patterns, and the adhesive layer is for adhesion between the paint primer coating layer and the printing coating film.

Meanwhile, Examples 1, 2, and 3 according to the respective components of the release layer, the protective layer, the print layer, and the adhesive layer according to the present invention and the printability, mold release property, popping property, heat resistance, UV resistance, adhesiveness, blocking property, etc. Experimental results of the experiment is relatively excellent in Table 1, Table 2, Table 3, Table 4 and the gal.

TABLE 1

TABLE 2

TABLE 3

TABLE 4

[Detailed Description of Experiment Items]

Printability; Dryness and vividness in printing should be good.

Dysplasia; Peeling from film should be good.

Popping; Occurs when drying the oven after coating of top clear paint.

Heat resistance; There should be no discoloration after drying the oven after coating the top coat and top coat.

UV resistance; No yellowing after time irradiation in UV

Color separation; There should be no color separation when colored ink is toned.

Adhesiveness; Good adhesion between primer coating film and printed coating film.

Blocking property; TACKY ie no adhesion.

And, the ambient temperature (continuous line speed 40mpm) in the hot air drying oven of the indirect heating method;

Primer oven 3 zones 240, 260, 280 ° C,

Top coat clear oven 4 zones 220, 240, 260, 280 ℃.

In addition, the temperature of the rubber roll is maintained at 140 ~ 240 ℃, the transfer is less than 140 ℃ is not made properly, the deformation begins to occur in the polyethylene telephthalate film of 240 ℃ or more itself. same.

TABLE 5

In addition, properties of epoxy-based or P / E-based resins are usually two-component type to form a crosslinked coating film, but when used in the field, two-component type is not good in terms of workability and cost, so to solve this problem, a certain temperature or more. It is manufactured and used as a semi-liquid form containing a cured resin and an acid accelerator to cause a reaction. This semi-liquid paint of this type should change the temperature setting according to the type of hardening resin and acid accelerator used. The dedicated paint according to the characteristics of the transfer film is designed to form the best coating film at 180 ~ 240 ℃. have. In addition, the same point is applied to the acrylic top paint, but the temperature range is narrow due to the acrylic type, thereby forming the ideal coating film at 200 to 240 ° C.

Such transfer paper according to the present invention is a wax 1wt% to 3wt% and acrylic resin 19wt% to 21wt% on the upper surface of the polyethylene telephthalate film having a highly elastic thickness of 16 to 50 microns (micron) The mixture of methyl ethyl ketone and ethanol was prepared by mixing 76 wt% to 78 Wt% and toluene 1 Wt% to 3 Wt%, and then applied to the polyethylene telephthalate film by gravure printing. As a result, it is possible to eliminate the hassle of forming a release layer by heat fusion, and the protective primer layer is 19 wt% to 21 wt% of polyurethane, methanol and isopropyl alcohol (78 wt% to 80 wt% of a mixture of IS0-Propyl Alcohol, antifoam 0.5 Since it is manufactured from wt% to 1.5wt%, it has the advantage of preventing distortion during thermal transfer, preventing cracks and improving adhesion. Pigments from 14 wt% to 16 wt%, from 29 wt% to 31 wt% of acrylic and vinyl resins, from 0.5 wt% to 1.5 wt% of solvents, defoamers and toluene, and from 53 wt% to 55 wt% of methyl ethyl ketone. It solves the problem of discoloration by printing with invariant ink, 39wt% ~ 41wt% of mixed mole of Poly Meta Methyl Acrylate resin and cellulose resin, 57wt% of mixture of methyl ethyl ketone and toluene % ~ 59wt%, antifoaming agent, solvent, such as a mixture made of 1wt% to 3wt% of the adhesive layer to enhance the adhesion of the printing layer to a non-absorbent surface such as steel sheet.

In addition, such transfer paper is composed of a large five-layer structure, the structure of the polyethylene telephthalate film, a release layer, a protective primer layer, a printing layer, the adhesive layer of the adhesive layer, so that the thickness of the transfer paper compared to the conventional It can be reduced, improving the convenience of use and reducing the material cost and manufacturing time to maximize the efficiency.

Although the present invention has been described only in the above embodiments, the present invention is not limited thereto and various modifications and changes may be made without departing from the scope and spirit of the present invention.

The present invention can transfer a variety of letters, patterns, colors, that is, wood pattern or natural marble pattern, etc. on the metal plate to give a beautiful appearance, and when the metal plate is used in washing machines, protective doors, interior and exterior materials, more beautiful products can be produced. It can be. In addition, the gravure display and the transfer method can produce a metal plate of about 40 meters per minute, so that delicate patterns and any desired designs can be quickly and quickly transferred to existing metal plates, and the work cost can be drastically reduced. In addition, there is a characteristic that the printing surface does not change even if the transferred metal plate is bent or bent in various shapes.

Claims (2)

In the gravure transfer paper used for non-absorbent surface, such as a metal plate provided with the transfer base which consists of a polyethylene telephthalate film of 16-50 micron of thickness which has strong elasticity, 1 wt% to 3 wt% of wax, 19 wt% to 21 wt% of acrylic resin, 76 wt% to 78 wt% of a mixture of methyl ethyl ketone and ethanol, and 1 wt% to 3 wt% of toluene are mixed on the transfer base. A release layer; 19wt% -21wt% polyurethane, 78wt% -80wt% mixture of methanol and isopropyl alcohol (ISO-Propyl Alcohol), 0.5wt% -1.5wt% antifoaming agent is mixed and located on the upper surface of the release layer A protective primer layer for preventing cracks and reinforcing adhesion; 14 wt% to 16 wt% of pigment, 29 wt% to 31 wt% of a mixture of acrylic resin and vinyl resin, 0.5 wt% to 1.5 wt% of solvent, antifoaming agent, toluene, and 53 wt% to 55 wt% of a mixture of methyl ethyl ketone and ethanol. A constant ink printing layer disposed on an upper surface of the protective primer layer to prevent discoloration and to reinforce adhesion to the protective primer layer; 39 wt% to 41 wt% of a mixture of poly meta methyl acrylate resin and cellulose resin, 57 wt% to 59 wt% of a mixture of methyl ethyl ketone and toluene, and 1 wt% to 3 wt% of a mixture of an antifoaming agent and a solvent Gravure transfer paper is used on a non-absorbent surface, such as a metal plate that is provided on the upper surface of the printing layer to enhance the adhesion. Gravure transfer paper prepared by applying a release layer and a protective primer layer to the stretchable polyethylene telephthalate film in order, and then placing a printing layer on which various patterns and colors are plated, and then applying an adhesive layer, the surface 1st process which apply | coats the epoxy polyester series primer to it, and roller-bonds with the heated rubber on the metal plate heated at the bad 180-240 degreeC; A second step of peeling the gravure transfer paper on which various patterns and colors are transferred to the metal plate while cooling the metal plate; And a third step of drying the metal plate with hot air having a predetermined temperature and then applying a transparent acrylic protective cleaner and instantaneous heating at about 200 ° C to 240 ° C. .