CN209779339U

CN209779339U - Laser paper

Info

Publication number: CN209779339U
Application number: CN201920434815.9U
Authority: CN
Inventors: 朱昊枢; 叶瑞; 左志成; 任家安; 朱志坚; 陈林森
Original assignee: Hubei Strong Packing Industry Co Ltd; SVG Tech Group Co Ltd
Current assignee: Hubei Strong Packing Industry Co Ltd; SVG Tech Group Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2019-12-13
Anticipated expiration: 2029-04-02

Abstract

The utility model relates to a laser paper, its base film layer, printing ink layer, laser information layer, aluminize layer, glue film and the paper layer that includes that top-down sets gradually, printing ink layer includes fretwork portion and printing portion. This radium-shine paper sets up fretwork portion and printing portion at printing ink layer, cooperatees with radium-shine information layer, makes the radium-shine effect of fretwork portion outstanding, has stronger expressive force. Meanwhile, the patterns of the printing part correspond to the through plate laser areas, and a shallow through plate laser effect can be achieved, so that effective anti-counterfeiting is achieved, and the design diversity is achieved.

Description

Laser paper

Technical Field

The utility model relates to a laser paper.

Background

Laser aluminum-sprayed paper, laser paper for short, is high-end packing paper with laser holographic patterns or character signals loaded on the surface of aluminum-plated paper in a mould pressing mode. The laser paper is widely applied to packing materials of cigarettes, foods, medicines and the like and products of anti-counterfeiting marks and the like due to gorgeous colors and decorative effects.

However, the existing laser paper is often of common ink color and has no expressive force. In addition, the laser paper is prepared by coating, die pressing, aluminizing and paper compounding the base film in sequence. And (4) preparing a finished product with the laser information layer, then cutting the finished product into required sizes, and then printing. The printed finished laser paper mainly comprises two steps of laser paper manufacturing and printing, the manufacturing process is complex, and the laser paper is printed in a flat manner with the required page size in the printing process, so that the printing difficulty is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser paper, its laser effect is outstanding, can realize effectively preventing falsification, has preferred expression and design diversity.

In order to achieve the above purpose, the utility model provides a following technical scheme: the laser paper comprises a base film layer, a printing ink layer, a laser information layer, an aluminum plating layer, an adhesive layer and a paper layer which are sequentially arranged from top to bottom, wherein the printing ink layer comprises a hollow part and a printing part.

Furthermore, a micro-nano structure used for forming a laser area is arranged on the laser information layer.

Further, the laser area comprises a local laser area and a through plate laser area, the local laser area corresponds to the hollow part, and the through plate laser area corresponds to the printing part.

Further, the laser patterns of the local laser area and the through plate laser area are different.

Further, a release layer is arranged between the base film layer and the printing ink layer.

Further, the thickness of the base film layer is 10-100 μm.

Furthermore, the thickness of the laser information layer is 0.1-20 μm.

Further, the adhesive layer is any one of a hot melt adhesive layer, a natural adhesive layer, an inorganic adhesive layer, a polyurethane adhesive, an epoxy resin adhesive, an acrylate adhesive or a water-based adhesive layer.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses a radium-shine paper sets up fretwork portion and printing portion on printing ink layer, cooperatees with radium-shine information layer, makes the radium-shine effect of fretwork portion outstanding, has stronger expressive force. Meanwhile, the pattern of the printing part corresponds to the through plate laser area, and a shallow through plate laser effect can be presented, so that effective anti-counterfeiting is realized, and the design diversity is realized;

2. The laser paper of the utility model realizes roll-to-roll manufacturing by directly printing on the film, and improves the production efficiency compared with the paper flat printing of the prior art; in addition, the printing and the manufacturing are integrally completed, and the printing and the manufacturing are not required to be carried out in two steps, so that the production efficiency is greatly improved, and the production cost is saved.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a laser paper according to an embodiment of the present invention;

Fig. 2 is a schematic structural view of a laser transfer paper according to another embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

It should be noted that: the terms such as "upper", "lower", "left", "right", "inner" and "outer" of the present invention are described with reference to the drawings, and are not intended to be limiting terms.

Referring to fig. 1, the laser paper according to an embodiment of the present invention includes a base film layer 1, a printing ink layer 2, a laser information layer 3, an aluminum plating layer 4, an adhesive layer 5, and a paper layer 6, which are sequentially disposed from top to bottom, wherein the printing ink layer 2 includes a hollow portion 21 and a printing portion 22.

In the present invention, a micro-nano structure 31 is molded on the laser information layer 3 to form a laser area (not shown). In this embodiment, the laser area includes a local laser area and a through-plate laser area, the local laser area is disposed corresponding to the hollow portion 21, and the through-plate laser area is disposed corresponding to the printing portion 22. And the laser patterns of the local laser area and the through plate laser area are different.

In this embodiment, the thickness of the base film layer 1 is 50 μm, and the thickness of the laser information layer 3 is 10 μm, but in other embodiments, the thicknesses of the base film layer 1 and the laser information layer 3 may be selected according to actual situations, and preferably, the thickness of the base film layer 1 is 10 to 100 μm, and the thickness of the laser information layer 3 is 0.1 to 20 μm.

In this embodiment, the main material of the adhesive layer 5 is epoxy resin adhesive, and indeed, in other embodiments, the adhesive layer 5 may also be any one of a hot melt adhesive layer, a natural adhesive layer, an inorganic adhesive layer, polyurethane adhesive, acrylate adhesive, or a water-based adhesive layer. The paper layer 6 of this embodiment is a white cardboard roll, but may be white cardboard or double copper paper in other embodiments.

The laser paper of the embodiment is laser composite paper, and is prepared by the following method:

Firstly, a hollow-out part 21 and a printing part 22 are designed, and positioning printing is carried out on a base film layer 1 by adopting an intaglio printing method to obtain a printing ink layer 2, wherein the hollow-out part 21 does not carry out printing, and the printing part 22 can print required colors and information such as pictures and texts as required. And then coating a transparent coating on the printing ink layer 2, and manufacturing laser information by mould pressing, wherein the laser information is of different micro-nano structures 31, so as to obtain a laser information layer 3. And after the molding is finished, vacuum aluminum plating is carried out to obtain an aluminum plating layer 4, and the aluminum plating layer 4 can remarkably enhance the laser effect. And then the aluminized layer 4 is compounded with the roll-shaped white cardboard (paper layer 6) coated with the glue (glue layer 5) to obtain the laser composite paper of the embodiment. The method realizes roll-to-roll manufacturing by directly printing on the film, and improves the production efficiency compared with the prior art of paper flat printing. Moreover, the laser paper is integrally manufactured and printed without two steps, so that the production efficiency is greatly improved, and the production cost is saved.

Referring to fig. 2, in another embodiment of the present invention, a release layer 1-7 may be further disposed between the base film layer 1-1 and the printing ink layer 1-2 to obtain the laser transfer paper. The laser transfer paper is similar to the laser composite paper in the manufacturing method, and is characterized in that a release agent is coated on the base film layer 1-1 before the first step of printing to form a release layer 1-7, and the base film layer 1-1 is peeled after the first step of printing and paperboard composite.

In summary, the following steps:

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The laser paper is characterized by comprising a base film layer, a printing ink layer, a laser information layer, an aluminum plating layer, an adhesive layer and a paper layer which are sequentially arranged from top to bottom, wherein the printing ink layer comprises a hollow part and a printing part.

2. The laser paper of claim 1, wherein the laser information layer is provided with micro-nano structures for forming laser areas.

3. the laser paper of claim 2, wherein the laser area comprises a local laser area and a through plate laser area, the local laser area is arranged corresponding to the hollow part, and the through plate laser area is arranged corresponding to the printing part.

4. The laser paper of claim 3, wherein the laser pattern of the local laser areas is different from the laser pattern of the master laser areas.

5. the laser paper of claim 1, wherein a release layer is further disposed between the base film layer and the printing ink layer.

6. The laser paper of claim 1, wherein the thickness of the base film layer is 10-100 μm.

7. The laser paper of claim 1, wherein the thickness of the laser information layer is 0.1-20 μm.

8. The laser paper of claim 1, wherein the glue layer is any one of a hot melt glue layer, a natural glue layer, an inorganic glue layer, a polyurethane glue, an epoxy glue, an acrylate glue, or a water-based glue layer.