CN219490541U - Core anti-fake card paper - Google Patents

Abstract

The utility model discloses a core layer anti-counterfeiting paperboard, which comprises the following components: the anti-counterfeiting paper comprises a core paper layer, wherein a reinforcing layer is glued on the lower surface of the core paper layer, a first adhesive layer is coated on the lower surface of the reinforcing layer, a bottom paper layer is glued below the first adhesive layer, a lower starch layer is arranged on the lower surface of the bottom paper layer, a lower coating layer is glued below the lower starch layer, and an anti-counterfeiting paper layer is coated on the upper surface of the core paper layer. Through being provided with core ply, anti-fake ply and waterproof layer, strengthen the thickness of paper, more have toughness, the effectual tear damage that prevents has dampproofing and waterproofing and is difficult for decoloration's advantage, through being provided with the phosphor powder, make anti-fake card paper have the effect of fluorescence anti-fake, strengthen anti-fake performance intensity, improve the life of card paper.

Description

Core anti-fake card paper

Technical Field

The utility model relates to the technical field of paperboard, in particular to a core layer anti-counterfeiting paperboard.

Background

Along with the continuous development of society, the printing and packaging industry is rapidly developed in China, wherein paper packaging is the most rapid in development, paperboard is a common packaging material used in paper packaging, and when the paperboard is used for packaging cigarettes, wine, cosmetics, electronic products and the like, anti-counterfeiting marks are arranged on the paperboard, and anti-counterfeiting treatment which is usually adopted on the paperboard is to print anti-counterfeiting patterns on the surface of the paperboard or paste safety lines.

Although can play anti-fake effect, but anti-fake dynamics is lower, and the anti-fake pattern of hot stamping is very easy fading or discolour and then lose anti-fake effect after long-time use at card paper surface, and the safety line of pasting very easily drops after long-time use and loses anti-fake effect, and in addition, current card paper is waterproof, moisture-resistant, therefore, card paper is very easy to appear moldy, discolour because of seeing water after transportation and use, influences card paper's result of use.

Disclosure of Invention

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a core layer anti-counterfeiting paperboard, which has the advantages of toughness, effective tear damage prevention, water resistance, moisture resistance and difficult decoloration by being provided with a core paper layer, an anti-counterfeiting paper layer and a waterproof layer, and fluorescent powder, so that the anti-counterfeiting paperboard has fluorescent anti-counterfeiting effect, the anti-counterfeiting performance intensity is enhanced, and the service life of the paperboard is prolonged.

One of the purposes of the utility model is realized by adopting the following technical scheme: a core anti-counterfeit card paper, comprising: the anti-fake paper comprises a core paper layer, wherein a reinforcing layer is glued on the lower surface of the core paper layer, a first adhesive layer is coated on the lower surface of the reinforcing layer, a bottom paper layer is glued below the first adhesive layer, a lower starch layer is arranged on the lower surface of the bottom paper layer, a lower coating layer is glued below the lower starch layer, an anti-fake paper layer is coated on the upper surface of the core paper layer, an aqueous hot melt adhesive layer is fixedly connected to one side, far away from the core paper layer, of the anti-fake paper layer, a waterproof layer is arranged on the other side of the aqueous hot melt adhesive layer, a second adhesive layer is coated on the upper surface of the waterproof layer, and a wear-resistant smooth surface layer is glued on the upper side of the second adhesive layer.

According to the core layer anti-counterfeiting paperboard, fluorescent powder is arranged in the anti-counterfeiting paper layer. The prepared anti-counterfeiting paperboard can observe the anti-counterfeiting mark at night, is not limited to dependence on light, and is convenient for people to observe.

According to the core layer anti-counterfeiting paperboard, a groove is formed in the lower end of the waterproof layer.

According to the core anti-counterfeiting paperboard, the upper end of the water-based hot melt adhesive layer is fixedly connected with a protrusion matched with the groove. The waterproof layer is firmly connected with the water-based hot melt adhesive layer, and the structural stability and quality of the anti-counterfeiting paperboard are improved.

According to the core layer anti-counterfeiting paperboard, the waterproof layer is made of PET (polyethylene terephthalate) films or other waterproof films, and the thickness of the waterproof layer is 4-5 microns.

According to the core layer anti-counterfeiting paperboard, the thickness of the anti-counterfeiting paper layer is 10-20 microns, and the thickness of the aqueous hot melt adhesive layer is 1-3 microns.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic diagram showing the separation and development of an anti-counterfeit cardboard of a core layer according to the present utility model;

fig. 2 is a front partial cross-sectional view of an aqueous hot melt adhesive layer and a waterproof layer of the core anti-counterfeit cardboard of the present utility model.

Legend description:

1. a core paper layer; 3. a reinforcing layer; 4. a first adhesive layer; 5. a base paper layer; 6. a lower starch layer; 7. a lower coating layer; 8. an anti-counterfeiting paper layer; 9. an aqueous hot melt adhesive layer; 10. a waterproof layer; 11. a second adhesive layer; 12. wear-resistant smooth surface layer; 13. fluorescent powder; 14. a groove; 15. a protrusion.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-2, an embodiment of the present utility model is a core anti-counterfeit card paper, comprising: the lower surface of the core paper layer 1 is glued with the reinforcing layer 3, the thickness and toughness of paper are enhanced, the lower surface of the reinforcing layer 3 is coated with the first adhesive layer 4, the lower surface of the first adhesive layer 4 is glued with the bottom paper layer 5, the lower surface of the bottom paper layer 5 is provided with the lower starch layer 6, the lower starch layer 6 improves the strength of the bottom paper layer 5, the lower side of the lower starch layer 6 is glued with the lower coating layer 7, the material of the lower coating layer 7 can be polyacrylic acid waterproof paint, the heat resistance is excellent and the environment is protected, the upper surface of the core paper layer 1 is coated with the anti-counterfeiting paper layer 8, the thickness of the anti-counterfeiting paper layer 8 is 10-20 microns, the fluorescent powder 13 is arranged in the anti-counterfeiting paper layer 8, so that the prepared anti-counterfeiting paper can observe the anti-counterfeiting mark at night, is not limited to the dependence on light, the anti-counterfeiting paper is convenient for people to observe, the anti-counterfeiting paper layer 8 is fixedly connected with the water-based hot melt adhesive layer 9 on one side far away from the core paper layer 1, the thickness of the water-based hot melt adhesive layer 9 is 1-3 microns, the waterproof layer 10 is arranged on the other side of the water-based hot melt adhesive layer 9, the waterproof layer 10 is made of PET (polyethylene terephthalate) films, the PET films have good folding endurance, high transparency, no toxicity and smell and good sanitary safety, can be directly used in food packaging, the thickness is 4-5 microns, the inside of a paperboard can be waterproof, the moisture resistance of the paperboard is improved, mildew is not easy to happen, the waterproof layer 10 can also be made of waterproof films made of polyvinyl chloride (PVC), polyethylene (PE), EVA (ethylene/vinyl acetate copolymer) and the like, the groove 14 is arranged in the lower end of the waterproof layer 10, the upper end of the water-based hot melt adhesive layer 9 is fixedly connected with the bulge 15 matched with the groove 14, the contact area between the water-based hot melt adhesive layer 9 and the waterproof layer 10 is increased, make waterproof layer 10 and aqueous hot melt adhesive layer 9 be connected more firm, improved anti-fake card paper's structural stability and quality, the upper surface coating of waterproof layer 10 has second adhesive layer 11, and first adhesive layer 4 and second adhesive layer 11 adopt the breast-feed glue respectively, and the upper side of second adhesive layer 11 glues has wear-resisting smooth surface layer 12 for improve the luminance and the definition of card paper, increase the protectiveness of card paper surface.

Working principle: when the anti-fake paperboard is used, the reinforcing layer 3 is adhered to the lower side of the core paper layer 1, the thickness and toughness of paper are enhanced, the bottom paper layer 5 is adhered to the lower surface of the reinforcing layer 3 through the first adhesive layer 4, the strength of the bottom paper layer 5 is improved through the lower starch layer 6, the lower coating layer 7 is adhered to the lower side of the lower starch layer 6, excellent heat resistance and environment friendliness are achieved, the anti-fake paper layer 8 is coated on the upper surface of the lower coating layer 7, fluorescent powder 13 is arranged in the anti-fake paper layer 8, the anti-fake paperboard obtained through preparation can be observed at night, dependence on light is not limited, people can observe conveniently, the upper surface of the anti-fake paper layer 8 is sequentially provided with the water-based hot melt adhesive layer 9 and the waterproof layer 10, the moisture resistance of the paperboard is improved, mildew is not easy to occur, the connection between the water-based hot melt adhesive layer 9 and the waterproof layer 10 is firmer through the protrusions 15 and the grooves 14, the structural stability and quality of the anti-fake paperboard are improved, the wear-resistant surface layer 12 is adhered to the upper side of the waterproof layer 10 through the second adhesive layer 11, the brightness and the anti-fake paperboard is used for improving the brightness and clarity of the paperboard, and the protection of the outer surface is improved.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (6)

1. A core anti-counterfeit card paper, comprising: the anti-counterfeiting waterproof paper comprises a core paper layer (1) and is characterized in that a reinforcing layer (3) is glued on the lower surface of the core paper layer (1), a first adhesive layer (4) is coated on the lower surface of the reinforcing layer (3), a bottom paper layer (5) is glued on the lower surface of the first adhesive layer (4), a lower starch layer (6) is arranged on the lower surface of the bottom paper layer (5), a lower coating layer (7) is glued on the lower side of the lower starch layer (6), an anti-counterfeiting paper layer (8) is coated on the upper surface of the core paper layer (1), an aqueous hot melt adhesive layer (9) is fixedly connected to one side, far away from the core paper layer (1), of the anti-counterfeiting paper layer (8), a waterproof layer (10) is arranged on the other side of the aqueous hot melt adhesive layer (9), a second adhesive layer (11) is coated on the upper surface of the waterproof layer (10), and a wear-resistant smooth surface layer (12) is glued on the upper side of the second adhesive layer (11).

2. A sandwich anti-counterfeit cardboard according to claim 1, characterized in that the inner part of the anti-counterfeit paper layer (8) is provided with phosphor (13).

3. A sandwich anti-counterfeit cardboard according to claim 1, characterized in that the waterproof layer (10) is provided with a groove (14) inside its lower end.

4. A sandwich anti-counterfeit cardboard according to claim 3, characterized in that the upper end of the aqueous hot melt adhesive layer (9) is fixedly connected with a protrusion (15) matching with the groove (14).

5. A sandwich anti-counterfeit cardboard according to claim 3, characterized in that the waterproof layer (10) is made of PET film, and the thickness of the waterproof layer (10) is 4-5 μm.

6. The core anti-counterfeiting paperboard according to claim 1, wherein the thickness of the anti-counterfeiting paper layer (8) is 10-20 micrometers, and the thickness of the water-based hot melt adhesive layer (9) is 1-3 micrometers.