Multicolor digital holographic positioning hot stamping film and water transfer printing paper

Abstract

The utility model belongs to the field of anti-counterfeiting marks, and discloses a multicolor digital holographic positioning hot stamping film and water transfer printing paper. The stripping layer, the information unit layer, the heat preservation unit layer and the back glue layer are arranged on the base film layer layer by layer, the digital information layer of the color pattern layer is formed through jet printing of a digital jet printing machine of a multi-color module, and multi-color three-dimensional color patterns can be formed at a time in cooperation with position sleeving mold pressing. In this way, the problems that in the silk-screen printing or offset printing process, due to the fact that alignment errors, ink leakage and the like often occur, product scrapping is large, and time and labor are consumed can be solved, the back glue layer can be conveniently and directly pasted on carriers such as wine bottles, baking is avoided, and the printing device is more convenient and faster to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of anti -fake mark, concretely relates to a kind of multicolor digital holographic positioning hot stamping film and water transfer printing paper. BACKGROUND

[0002] With the continuous development of low-temperature water transfer printing paper printing technology, the performance of various low-temperature water transfer printing paper holographic positioning hot stamping films has been widely applied, especially holographic positioning anti-fake paper, as a kind of anti-fake mark sticker, it can composite diversified holographic patterns, with decoration function and anti-fake function, so it is widely used in wine bottle label anti-fake technology field.

[0003] In the prior art, holographic positioning anti-fake paper can only present single-color holographic anti-fake effect, and the color is single, so it needs to be printed by screen printing or offset printing in the later period to present multicolor digital holographic positioning hot stamping film of double-color or multicolor low-temperature water transfer printing paper, which often causes product scrap due to positioning error, ink leakage and other problems, and it is time-consuming and laborious, and the holographic positioning anti-fake paper can only be adhered to the carrier such as wine bottle by baking the gold bottom oil, which is not convenient to paste. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims to provide a kind of multicolor digital holographic positioning hot stamping film and water transfer printing paper to solve the problem that the existing digital holographic positioning hot stamping film will appear positioning error, ink leakage and other problems when making multicolor effect, which is not conducive to presenting multicolor holographic anti-fake effect.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] On the one hand, a kind of multicolor digital holographic positioning hot stamping film is provided, which comprises:

[0007] Base film layer;

[0008] A peeling layer is arranged on the base film layer, and the base film layer can be separated from the peeling layer;

[0009] An information unit layer is arranged on the peeling layer, and the information unit layer comprises a digital information layer and a molded holographic layer arranged in turn from bottom to top, and the digital information layer comprises a color pattern layer formed by digital inkjet printing of a digital inkjet printer with multicolor module;

[0010] A protective unit layer is arranged on the information unit layer; and

[0011] A back adhesive layer is arranged on the protective unit layer.

[0012] In a possible implementation, the molded holographic layer comprises holographic pattern grooves formed by the coating material being molded, and the holographic pattern grooves are matched with the patterns on the color pattern layer.

[0013] In a possible implementation, the protection unit layer comprises an aluminum plating layer and a protection layer arranged on the aluminum plating layer.

[0014] In a possible implementation, the protection layer is coated on the aluminum plating layer by using water-based paint.

[0015] In a possible implementation, the peeling layer is coated on the base film layer by using palm wax.

[0016] In a possible implementation, the base film layer is a PET polyester film, and the thickness of the base film layer is 15-23 μm.

[0017] In another aspect, a water transfer printing paper is also provided, comprising:

[0018] a water transfer printing base paper layer;

[0019] a multi-color digital holographic positioning hot stamping film according to any one of the preceding technical solutions arranged on the water transfer printing base paper layer, and the adhesive layer is connected with the water transfer printing base paper layer.

[0020] In a possible implementation, a gold stamping primer layer is further arranged on the water transfer printing base paper layer, and the adhesive layer is connected with the water transfer printing base paper layer through the gold stamping primer layer.

[0021] Compared with the prior art, the multi-color digital holographic positioning hot stamping film has the following beneficial effects:

[0022] The multi-color digital holographic positioning hot stamping film comprises a base film layer, a peeling layer, an information unit layer, a heat preservation unit layer and an adhesive layer arranged on the base film layer in layers, a color pattern layer formed by a multi-color module digital inkjet printer, and a matching positioning mold pressing, so that a multi-color three-dimensional color pattern can be formed at one time, thereby avoiding the problems of positioning error, ink leakage and the like in the process of screen printing or offset printing, and the problems of product scrapping, time-consuming and laborious, and the like can be avoided, and the adhesive layer can be directly attached to a carrier such as a wine bottle, so that baking is not required, and the process is more convenient and fast.

[0023] The water transfer printing paper is transferred by the multi-color digital holographic positioning hot stamping film, and a multi-color digital holographic positioning low-temperature water transfer printing paper can be obtained, and the water transfer printing paper can be transferred to a carrier such as a wine bottle by water transfer printing. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic view of a multi-color digital holographic positioning hot stamping film.

[0025] Figure 2 It is a structure schematic view of a water transfer printing paper.

[0026] In the figure: 1-base film layer; 2-peeling layer; 3-digital information layer; 4-molded holographic layer; 5-aluminum plating layer; 6-protection layer; 7-back adhesive layer; 8-gold stamping primer layer; 9-water transfer printing base paper layer. DETAILED DESCRIPTION

[0027] In order for those skilled in the art to better understand the technical scheme of the present application, the present application will be further described in detail below in combination with specific embodiments.

[0028] Please refer to Figure 1 The embodiment of the present application provides a multi-color digital holographic positioning stamping film, which comprises: a base film layer 1; a peeling layer 2 arranged on the base film layer 1, the base film layer 1 being separable from the peeling layer 2; an information unit layer arranged on the peeling layer 2, the information unit layer comprising a digital information layer 3 and a molded holographic layer 4 arranged in turn from bottom to top, the digital information layer 3 comprising a color pattern layer formed by a digital inkjet printer with a multi-color module; a protection unit layer arranged on the information unit layer; and a back adhesive layer 7 arranged on the protection unit layer.

[0029] The base film layer 1 is used to support the film layers thereon, and also facilitates layer-by-layer production based on the base film layer 1. The peeling layer 2 is arranged on the base film layer 1, the base film layer 1 being separable from the peeling layer 2, and the base film layer 1 also plays a certain protective role when not separated, and after separation, the main part can be easily pasted on a carrier such as a wine bottle. The information unit layer arranged on the peeling layer 2 is used to display preset information content in holographic form, the digital information layer 3 is a color pattern formed by a digital inkjet printer with a multi-color module, and the material is UV light-cured ink, which is printed by a digital inkjet printer with four color modules such as red, blue, yellow and black to form a color pattern of a predetermined position in one-time positioning, and the color pattern is printed by the digital inkjet printer, which can reduce the problems of large product scrap and time-consuming and laborious caused by positioning error and ink leakage in multi-color printing. The molded holographic layer 4 is formed by coating material and positioning and molding by a holographic mold plate, which can facilitate the display of holographic effect. The protection unit layer is used to protect the information unit layer, and the back adhesive layer 7 thereon is used to adhere to a carrier or be transferred to a water transfer printing base paper, and the multi-color digital holographic positioning stamping film can be directly pasted on a carrier such as a wine bottle through the back adhesive layer 7, which can avoid the need for baking, and when transferred to a water transfer printing base paper, it can facilitate the formation of a water transfer printing paper.

[0030] By the technical scheme, the peeling layer 2, the information unit layer, the heat preservation unit layer and the back adhesive layer 7 are arranged on the base film layer 1 layer by layer, the digital information layer 3 of the color pattern layer formed by the multi-color module digital jet printer is jet printed, and the multi-color three-dimensional color pattern is formed by the matching sleeve position mold pressing, so that the problems of large product scrapping, time-consuming and laborious caused by sleeve position error and ink leakage in the screen printing or offset printing process can be avoided, and the back adhesive layer 7 can be directly pasted on the carrier such as a wine bottle, so that baking is not needed, and the process is more convenient and fast.

[0031] In an embodiment, the mold pressing holographic layer 4 includes holographic pattern grooves formed by the coating material through mold pressing, and the holographic pattern grooves are matched with the patterns on the color pattern layer.

[0032] The mold pressing holographic layer 4 is formed by the coating material coated on the digital color layer through holographic mold pressing plate sleeve position mold pressing, and the holographic pattern grooves are formed, and the holographic pattern grooves are matched with the color patterns, so that the holographic display of the pattern information can be better. In the specific implementation process, the coating material is composed of 20% butanone, 40% ethyl ester, 30% amine-based resin, 8% acrylic resin, 2% rosin resin and the balance of auxiliary agents, the coating speed is 100 m / min, and the mold pressing holographic layer 4 is sleeve position mold pressed with the holographic mold pressing plate, and the mold pressing temperature is 155-230°C. It can be understood that the holographic positioning needs to be positioned by the cursor device auxiliary positioning when layer by layer is made, so that each layer and the corresponding pattern can be accurately arranged at the predetermined position.

[0033] It can be understood that the material of the digital color layer is UV light curing ink, and the UV light curing ink is mainly composed of thermoplastic acrylic resin and color concentrate. The color concentrate has a plurality of different colors, so that various colors and patterns can be formed on the digital color layer.

[0034] Further, the protection unit layer includes an aluminum plating layer 5 and a protection layer 6 arranged on the aluminum plating layer 5.

[0035] In this way, the aluminum plating layer 5 arranged can play a role of reflecting light and enhancing the holographic three-dimensional effect when the multi-color digital holographic positioning stamping film is pasted on the carrier, and can also protect the holographic pattern grooves after mold pressing. Preferably, the aluminum plating layer 5 is made by evaporation, and the material thereof is any metal material or medium material that can be evaporated, and the metal material thereof is preferably aluminum material, and the thickness of the plating layer is 0.03-0.05 μm, so that the metal texture can be obtained. The protection layer 6 is used to protect the underlying film layer.

[0036] Preferably, the protection layer 6 is made of environmentally friendly water-based paint, which can prevent the aluminum plating layer 5 from being oxidized and can prevent scratching and alcohol resistance, and the thickness thereof can be 0.8-1.2 μm.

[0037] In the embodiment of the present application, the peeling layer 2 can be coated by the palm wax on the base film layer 1.

[0038] The coating material of the peeling layer 2 is palm wax, the softening point of which ranges from 65 to 89℃, and the coating speed is 100m / min, so as to separate and peel the base film layer 1 from the digital color layer, the molded information layer, the aluminum plating layer 5, the protective layer 6 and the back adhesive layer 7.

[0039] Further, the base film layer 1 is PET polyester film, and the thickness of the base film layer 1 is 15-23μm.

[0040] The PET polyester film can be used as a good carrier film layer for support, and has high tensile strength and low thermal shrinkage (usually <1.5%), and keeps flat and unchanged in the high-temperature molding or aluminum plating process, avoiding the dislocation or distortion of the holographic pattern.

[0041] In the specific implementation process, the back adhesive layer 7 is made of acrylic resin material, and the thickness of the back adhesive layer 7 is 1.2-1.8μm. The back adhesive layer 7 made of this material has good adhesion and is not easy to fall off after being pasted, which also improves the anti-counterfeiting effect to a certain extent.

[0042] Please refer to Figure 2 The embodiment of the present application also provides a water transfer printing paper, which comprises: a water transfer printing base paper layer 9; a gold stamping base oil layer 8 arranged on the water transfer printing base paper layer 9; and a multi-color digital holographic positioning stamping film according to any one of the above technical solutions arranged on the gold stamping base oil layer 8.

[0043] After the multi-color digital holographic positioning stamping film is obtained, the gold stamping base oil layer 8 is positioned and printed on the water transfer printing base paper layer 9, and then the multi-color digital holographic positioning stamping film is positioned and stamped on the printed gold stamping base oil layer 8 of the water transfer printing base paper layer 9, so as to obtain a multi-color digital holographic positioning low-position water transfer printing paper. The water transfer printing paper can be transferred to a carrier such as a wine bottle by water transfer printing.

[0044] The above is only the preferred embodiment of the present application, and it should be pointed out that the above preferred embodiment should not be regarded as a limitation of the present application, and the protection scope of the present application should be limited by the scope defined in the claims. For ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the spirit and scope of the present application, and these improvements and refinements should also be regarded as the protection scope of the present application.

Claims

1. A multi-color digital holographic register stamping film, characterized in that, It comprises: a base film layer (1); a peeling layer (2) disposed on the base film layer (1), the base film layer (1) being separable from the peeling layer (2); an information unit layer disposed on the peeling layer (2), the information unit layer comprising a digital information layer (3) and a molded holographic layer (4) disposed in turn from bottom to top, the digital information layer (3) comprising a color pattern layer formed by inkjet printing with a digital inkjet printer having a multi-color module; a protective unit layer disposed on the information unit layer; and a back adhesive layer (7) disposed on the protective unit layer.

2. The multi-color digital holographic register stamping film of claim 1, wherein, The molded holographic layer (4) comprises holographic pattern grooves formed by molding with a coating material, the holographic pattern grooves matching the patterns on the color pattern layer.

3. The multi-color digital holographic register stamping film of claim 1, wherein, The protective unit layer comprises an aluminum plating layer (5) and a protective layer (6) disposed on the aluminum plating layer (5).

4. A multi-color digital holographic register stamping film as claimed in claim 3, wherein, The protective layer (6) is formed by coating the aluminum plating layer (5) with water-based paint.

5. The multi-color digital holographic register stamping film of claim 1, wherein, The peeling layer (2) is formed by coating the base film layer (1) with palm wax.

6. The multi-color digital holographic register stamping film of claim 1, wherein, The base film layer (1) is a PET polyester film, and the thickness of the base film layer (1) is 15-23 μm.

7. The multi-color digital holographic register stamping film of claim 1, wherein, The back adhesive layer (7) is made of acrylic resin material, and the thickness of the back adhesive layer (7) is 1.2-1.8 μm.

8. A water transfer printing paper, characterized by, It comprises: a water transfer printing base paper layer (9); a gold stamping base oil layer (8) disposed on the water transfer printing base paper layer (9); a multi-color digital holographic positioning stamping film according to any one of claims 1-7 disposed on the gold stamping base oil layer (8).

Images