CN219217887U

CN219217887U - PET material packaging material with high adhesive force

Info

Publication number: CN219217887U
Application number: CN202320331259.9U
Authority: CN
Inventors: 张�杰
Original assignee: Anhui Dishijie Dry Ice Equipment Co ltd
Current assignee: Anhui Dishijie Dry Ice Equipment Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-06-20
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a PET packaging material with high adhesive force, and particularly relates to the field of packaging materials. The PET packaging material has the advantages of high adhesive force and convenient cutting, so that when a worker uses the PET packaging material conveniently, the PET packaging material can be used for packaging the packaging box without other shearing tools, and the packaging efficiency is improved.

Description

PET material packaging material with high adhesive force

Technical Field

The utility model relates to the technical field of packaging materials, in particular to a PET packaging material with high adhesive force.

Background

As the market of cosmetics in China has developed rapidly in recent years, the corresponding requirements for cosmetic packaging materials are also increasing. PET plastic (ethylene vinyl acetate copolymer) is widely used for cosmetic packaging because of its high and low temperature resistance, high transparency, good mechanical properties, excellent gas barrier properties, water, oil and odor properties, etc. However, the conventional PET plastic is a material with very high isotacticity, has a strict structure, has very small affinity with the ink and the gloss oil, and has only intermolecular acting force between the ink and the gloss oil, so that the adhesion force is small, and the adhesion fastness of the ink, the gloss oil and the PET is poor, especially in the application and use of the adhesive tape.

The utility model patent of the patent publication No. CN207736895U discloses a PET packaging material with high adhesive force, which comprises a PET substrate, and is characterized in that the upper surface of the PET substrate is roughened by corona treatment, the upper surface of the PET substrate is adhered with an ink printing layer through a coupling agent primer coating, an anti-counterfeiting layer and a gloss oil layer are also adhered on the ink printing layer, the lower surface of the PET substrate is roughened by corona treatment, and the lower surface of the PET substrate is adhered with a hardening film through the coupling agent primer coating. The anti-counterfeiting layer comprises an imaging layer and a transparent medium layer which are arranged in a laminated mode, the lower surface of the imaging layer forms a holographic anti-counterfeiting pattern through high-temperature mould pressing, and the transparent medium layer is attached to the lower surface of the imaging layer. Compared with the prior art, the PET packaging material has high adhesive force and anti-counterfeiting function.

However, when the structure is actually used, the packaging material, namely the adhesive tape for production molding, needs to be cut off when in use, and the edges of the packaging material are flush, so that the packaging material is very inconvenient to cut off, is easy to deform in the process of tearing off, and needs to be sheared by other shearing tools, so that the PET packaging material with high adhesive force is proposed.

Disclosure of Invention

The technical scheme of the utility model aims at solving the technical problem of overlarge singleness in the prior art and provides a solution which is obviously different from the prior art. In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a PET packaging material with high adhesion, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PET material packaging material of high adhesion, includes the PET substrate, and PET substrate upper and lower surface all is provided with the undercoat, and lower surface undercoat bottom is provided with the hardening membrane, and upper surface undercoat top is provided with the printing ink printing layer, and printing ink printing layer top is provided with transparent dielectric layer, and transparent dielectric layer top is provided with the imaging layer, and the coating layer is paintd on imaging layer top, has evenly seted up multiunit cut-off hole on the hardening membrane.

Preferably, each group of cutoff holes are arranged in a zigzag manner, and the cutoff holes penetrate from the bottom surface of the hardening film to the top surface of the gluing layer.

The packaging material that makes is sticky tape, when the workman packs the packing carton and uses, can tear the sticky tape that uses from cutting the hole easily to make cut easier, and need not with the help of other shearing tools, not only improved the convenience that the workman used, simultaneously, improved packaging efficiency, and prevent to cut the department and tear the phenomenon that leads to the fact the deformation because of the workman is direct.

Preferably, the upper surface roughness Ra of the PET substrate is more than or equal to 0.05 mu m, the lower surface roughness Ra of the PET substrate is more than or equal to 0.05 mu m, and the thickness of the PET substrate is 100-150 mu m.

When the PET substrate is corona treated, corona discharge (high frequency and high voltage is 5000-15000V/m 2) is performed on the treated PET surface by corona treatment, low-temperature plasma is generated, free radical reaction is generated on the plastic surface, and the polymer is crosslinked.

Preferably, the lower surface of the imaging layer is formed into a holographic anti-counterfeiting pattern by high-temperature mould pressing, and the transparent medium layer is attached to the lower surface of the imaging layer.

After the holographic anti-counterfeiting pattern is formed on the lower surface of the imaging layer through high-temperature mould pressing, the transparent medium layer is attached to the imaging layer through vacuum coating, and as the imaging layer and the transparent medium layer are different in material, the refractive index of light in the imaging layer is different from that of light in the transparent medium layer, and when a human eye observes, a semi-transparent semi-reflecting effect is formed visually, so that the holographic effect can be observed, and printing information below the holographic effect can be observed through holographic observation, and therefore, the anti-counterfeiting effect is achieved through the observation of the printing information.

Preferably, the hardened film is a transparent film having a thickness of 1 to 5 μm.

Preferably, both primer layers are made using a coupling agent and both primer layers have a thickness of 100nm to 500nm.

The coupling agent has more than two groups in the molecular structure, one of the groups can be combined with the PET molecular group, and the other group can be combined with the molecular group in the ink, so that the coupling agent connects the ink and the PET together, the adhesion fastness of a printing layer is improved through the combination of chemical bonds, the acting force of the chemical bonds is far greater than the acting force between molecules, and the adhesion fastness is superior to that of corona treatment.

Preferably, the glue coating layer is made of acrylic ester glue and has a thickness of 20-25 μm.

The utility model has the technical effects and advantages that:

1. compared with the prior art, the PET substrate has the advantages that the upper surface roughness and the lower surface roughness of the PET substrate are equal to or greater than 0.05 mu m through the arrangement of corona treatment on the upper surface and the lower surface of the PET substrate, the adhesion force between the PET substrate and the printing ink layer is increased, and the adhesion force between the PET substrate and the printing ink layer is further enhanced through the coupling agent primer coating, so that the PET packaging material has high adhesion force;

2. through the setting of cuting the hole, compare with prior art, the sticky tape that makes at this packaging material promptly is used through the workman, when packing the packing carton, can tear the sticky tape that uses from cuting the hole department easily to make to cut more easily, and need not with the help of other shearing tools, not only improved the convenience that the workman used, simultaneously, improved packaging efficiency, and prevent to cut the department and tear the phenomenon that leads to the fact the deformation because of the workman is direct.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic side view of the present utility model.

Fig. 3 is a schematic top plan view of the present utility model.

The reference numerals are: 1. a PET substrate; 2. a primer layer; 3. an ink printing layer; 4. hardening the film; 5. a transparent dielectric layer; 6. an imaging layer; 7. coating an adhesive layer; 8. cutting off the hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The PET packaging material with high adhesive force comprises a PET substrate 1, wherein an undercoat layer 2 is arranged on the upper surface and the lower surface of the PET substrate 1, a hardening film 4 is arranged at the bottom of the undercoat layer 2 on the lower surface, an ink printing layer 3 is arranged at the top end of the undercoat layer 2 on the upper surface, a transparent medium layer 5 is arranged at the top end of the ink printing layer 3, an imaging layer 6 is arranged at the top end of the transparent medium layer 5, a glue coating layer 7 is smeared at the top end of the imaging layer 6, and a plurality of groups of cutting holes 8 are uniformly formed in the hardening film 4.

As shown in fig. 2 and 3, each group of cutoff holes 8 is arranged in a zigzag shape, and the cutoff holes 8 penetrate from the bottom surface of the hardened film 4 to the top surface of the adhesive layer 7.

The packaging material that makes is sticky tape, when the workman packs the packing carton and uses, can tear the sticky tape that uses from cutting hole 8 easily to make cut easier, and need not with the help of other shearing tools, not only improved the convenience that the workman used, simultaneously, improved packaging efficiency, and prevent to cut the department and tear the phenomenon that leads to the fact the deformation because of the workman is direct.

As shown in figure 1, the roughness Ra of the upper surface of the PET substrate 1 is more than or equal to 0.05 mu m, the roughness Ra of the lower surface of the PET substrate 1 is more than or equal to 0.05 mu m, and the thickness of the PET substrate 1 is 100-150 mu m.

In the corona treatment of the PET substrate 1, a low-temperature plasma is generated by corona discharge (high-frequency alternating voltage is up to 5000-15000V/m 2) of a high-frequency high-voltage on the surface of the treated PET by the corona treatment, so that free radical reaction is generated on the surface of the plastic to crosslink the polymer.

As shown in fig. 1, the lower surface of the imaging layer 6 is formed into a holographic anti-counterfeiting pattern by high-temperature mould pressing, and the transparent medium layer 5 is attached to the lower surface of the imaging layer 6.

After the lower surface of the imaging layer 6 forms a holographic anti-counterfeiting pattern through high-temperature mould pressing, the transparent medium layer 5 is attached to the imaging layer through vacuum coating, as the imaging layer 6 and the transparent medium layer 5 are different in material, the refractive indexes of light in the imaging layer 6 and the transparent medium layer 5 are different, when people observe, a semi-transparent semi-reflecting effect is formed visually, the holographic effect can be observed, the printing information below can be observed through the holographic effect, and accordingly the anti-counterfeiting effect is achieved through the observation of the printing information.

As shown in FIG. 1, the cured film 4 is a transparent film having a thickness of 1 to 5. Mu.m.

As shown in FIG. 1, the two primer layers 2 are made of a coupling agent, and the thickness of each of the two primer layers 2 is 100nm to 500nm.

As shown in fig. 1, the glue layer 7 is made of acrylate glue and has a thickness of 20-25 μm.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a PET material packaging material of high adhesion, includes PET substrate (1), its characterized in that: the PET substrate is characterized in that an undercoat layer (2) is arranged on the upper surface and the lower surface of the PET substrate (1), a hardening film (4) is arranged at the bottom of the undercoat layer (2), an ink printing layer (3) is arranged at the top end of the undercoat layer (2), a transparent medium layer (5) is arranged at the top end of the ink printing layer (3), an imaging layer (6) is arranged at the top end of the transparent medium layer (5), a glue coating layer (7) is smeared at the top end of the imaging layer (6), and a plurality of groups of intercepting holes (8) are uniformly formed in the hardening film (4).

2. A high adhesion PET packaging material according to claim 1, wherein: each group of the cutting holes (8) are arranged in a zigzag manner, and the cutting holes (8) penetrate from the bottom surface of the hardening film (4) to the top surface of the gluing layer (7).

3. A high adhesion PET packaging material according to claim 1, wherein: the upper surface roughness Ra of the PET base material (1) is more than or equal to 0.05 mu m, the lower surface roughness Ra of the PET base material (1) is more than or equal to 0.05 mu m, and the thickness of the PET base material (1) is 100-150 mu m.

4. A high adhesion PET packaging material according to claim 1, wherein: the lower surface of the imaging layer (6) is subjected to high-temperature mould pressing to form a holographic anti-counterfeiting pattern, and the transparent medium layer (5) is attached to the lower surface of the imaging layer (6).

5. A high adhesion PET packaging material according to claim 1, wherein: the hardening film (4) is a transparent film with the thickness of 1-5 mu m.

6. A high adhesion PET packaging material according to claim 1, wherein: the two base coats (2) are made of coupling agents, and the thickness of each base coat (2) is 100nm-500nm.

7. A high adhesion PET packaging material according to claim 1, wherein: the glue coating layer (7) is made of acrylic ester glue, and the thickness of the glue coating layer is 20-25 mu m.