CN212555388U

CN212555388U - Tea bag label paper

Info

Publication number: CN212555388U
Application number: CN202021038248.4U
Authority: CN
Inventors: 祝旺宝; 祝旺生; 王东
Original assignee: Shanghai Shenshun Packaging Materials Co ltd
Current assignee: Shanghai Shenshun Packaging Materials Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-19
Anticipated expiration: 2030-06-08

Abstract

The utility model relates to a tag paper technical field, more specifically say, it relates to a teabag package tag paper. The technical scheme is as follows: the PCB packaging structure comprises a substrate, the surface of base plate is for being used for the printing face of printing, the printing face of base plate is provided with first bond line, first bond line deviates from the one side of the printing face of base plate is provided with the CPP membrane, the one side of first bond line bond in the printing face of base plate and another side bond in the CPP membrane. According to the technology, the CPP film is adhered to the surface of the substrate to separate the ink, so that the ink printed on the printing surface is not easy to dissolve.

Description

Tea bag label paper

Technical Field

The utility model relates to a tag paper technical field, more specifically say, it relates to a teabag package tag paper.

Background

Tea culture has a long history in China, and a lot of people like to brew a cup of tea no matter at work, life or study, so that the tea bag can refresh and can be drunk.

The tea bag solves the problems of reasonable and scientific utilization of fine tea leaves and convenience in tea making, is relieved when people drink tea, provides convenience for tea supply in meetings, guesthouses and guest rooms, and opens up a wide market for broken and fine tea leaves. The traditional tea bag is generally made of cotton paper with good permeability, then the tea bag is hung by a thin line, and the other end of the thin line is connected with a label for printing tea information.

The external tea bag label is easy to slide into a cup when the existing tea bag is used, the temperature of water used for making tea is generally more than 95 ℃, printed characters are usually on the tea bag label, namely, printing ink exists, and the printing ink is likely to dissolve in high-temperature water.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a teabag package label paper carries out the separation to printing ink through the one deck CPP membrane of surface bonding at the base plate, and then makes the printing ink of printing on the printing face be difficult for taking place to dissolve.

The utility model discloses a technical scheme realize like this: the utility model provides a teabag package label paper, includes the base plate, the surface of base plate is for being used for the printing face of printing, the printing face of base plate is provided with first bond line, first bond line deviates from the one side of the printing face of base plate is provided with the CPP membrane, the one side of first bond line adhere in the printing face of base plate and another side adhere in the CPP membrane.

Through adopting foretell technical scheme, at the surface bonding one deck CPP membrane of base plate, and then make the printing ink of printing face keep apart with the external world for when this label paper fell into the cup, the CPP membrane carried out the separation to printing ink, and then made the printing ink of printing on the printing face be difficult for taking place to dissolve.

As a further improvement of the utility model, the substrate is a white cardboard.

By adopting the technical scheme, the white cardboard is low in cost and easy to process.

As a further improvement of the present invention, the first adhesive layer is a low density polyethylene layer.

By adopting the technical scheme, the substrate and the CPP film are bonded by the low-density polyethylene, so that the label paper has good impact resistance and tensile resistance.

As a further improvement of the present invention, the grammage range of the substrate is between 280 g/m-300 g/m.

By adopting the above technical solution, the grammage range of the white cardboard between 280 g/m-300 g/m guarantees the hardness of the label while the rigidity of the white cardboard reaches the optimal effect.

As a further improvement of the utility model, the thickness of the CPP film ranges from 28 μm to 35 μm.

By adopting the technical scheme, the thickness range of the CPP film is between 28 and 35 microns, the structural strength of the CPP film is ensured, the use amount of the CPP film is minimized, and the production cost is reduced.

As a further improvement of the utility model, the CPP membrane connect in the one side of first bond line is provided with the depressed part.

Through adopting foretell technical scheme, add the depressed part on the CPP membrane to make the CPP membrane better with the adhesive effect of bond line, improve the adhesive strength of CPP membrane and base plate.

As a further improvement of the utility model, the CPP membrane deviates from the one side of first bond line is provided with the second bond line, CPP is epimembranal to be provided with and is used for the cladding the second bond line from type membrane protective layer.

Through adopting foretell technical scheme, can tear the parting film protective layer and remove during the tea making to paste this label in the lateral wall of cup utensil, avoid the label to transfer into in the cup utensil.

As a further improvement, the CPP membrane includes heat-seal layer, sandwich layer and corona layer, the sandwich layer is located the heat-seal layer reaches in the middle of the corona layer, be provided with the barrier layer of PE material between heat-seal layer and the sandwich layer and between corona layer and the sandwich layer respectively, all adopt two ingredient polyurethane solventless adhesives to form the complex film between heat-seal layer, barrier layer, sandwich layer and the corona layer.

Through adopting foretell technical scheme for the bonding effort is comparatively stable between the layer of CPP membrane, and then has improved the whole barrier property of CPP membrane, further reduces the possibility that printing ink dissolves.

To sum up, the utility model discloses following beneficial effect has: through the one deck CPP membrane of surface bonding at the base plate, and then make the printing ink of printing in the printing face keep apart with the external world for when this label paper fell into the cup, the CPP membrane carried out the separation to printing ink, and then made the printing ink of printing on the printing face be difficult for taking place to dissolve.

Drawings

Fig. 1 is a schematic view of an overall layer structure according to a first embodiment of the present invention;

FIG. 2 is a schematic diagram of a layer structure of a CPP film according to an embodiment of the present invention;

fig. 3 is a schematic view of the overall layer structure of the second embodiment of the present invention.

In the figure: 1. a substrate; 2. a first adhesive layer; 3. a CPP film; 31. a heat seal layer; 32. a core layer; 33. a corona layer; 4. a second adhesive layer; 5. and a release film protective layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

a bag tea package label paper, as shown in fig. 1, comprises a substrate 1, the substrate 1 being a food-grade white cardboard, the grammage range of the white cardboard being between 280 g/m-300 g/m, preferably, the grammage of the white cardboard being 295 g/m.

As shown in fig. 1, the surface of the substrate 1 is a printed surface for printing product information of tea leaves. The printing surface of the substrate 1 is provided with a first adhesive layer 2, the first adhesive layer 2 is a low density polyethylene layer, and the first adhesive layer 2 is made of a low density polyethylene material. The grammage of the first adhesive layer 2 is between 12 g/m-18 g/m, preferably the grammage of the first adhesive layer 2 is 15 g/m.

As shown in fig. 1, one side of the first adhesive layer 2, which is away from the printing surface of the substrate 1, is provided with a CPP film 3, the CPP film 3 covers the side surface of the substrate 1, and the side of the first adhesive layer 2, which is away from the substrate 1, is bonded to the CPP film 3, so that the CPP film 3 is bonded to the substrate 1. The low-temperature heat-sealing property (the temperature is between 120 ℃ and 130 ℃) of the CPP film 3 is utilized to facilitate the adhesion of the CPP film 3 on the substrate 1, and further facilitate the processing of the label paper. In the present embodiment, the thickness of the CPP film 3 ranges from 28 μm to 35 μm, and preferably, the thickness of the CPP film 3 is 30 μm. In addition, a concave portion is formed on one surface of the CPP film 3, which is bonded to the first adhesive layer 2, through corona treatment, so that the CPP film 3 and the substrate 1 are better bonded.

Specifically, as shown in fig. 1 and 2, the CPP film 3 includes a heat-seal layer 31, a core layer 32, and a corona layer 33, the core layer 32 is located between the heat-seal layer 31 and the corona layer 33, and the corona layer 33 is connected to the first adhesive layer 2. Wherein the heat sealing layer 31 is a cast polypropylene film layer which is added with 15% of propenyl elastomer by mass percentage and is modified by blending and co-extrusion; the corona layer 33 is an aluminum oxide-plated polyester film layer, and the aluminum oxide-plated polyester film has good transparency and surface tension durability; the core layer 32 is a film layer of a blending raw material of modified polypropylene and an ethylene-propylene copolymer, wherein the ethylene-propylene copolymer accounts for 20-40%.

The heat-seal layer 31 and the sandwich layer 32, and the corona layer 33 and the sandwich layer 32 are respectively provided with a barrier layer made of PE material, the heat-seal layer 31, the barrier layer, the sandwich layer 32 and the corona layer 33 are all formed into a composite film by adopting a two-component polyurethane solvent-free adhesive, and the composite film is the CPP film 3.

Example two:

as shown in fig. 3, a difference between the present embodiment and the first embodiment is that a second adhesive layer 4 is disposed on a side of the CPP film 3 away from the first adhesive layer 2, the second adhesive layer 4 may be a double-sided tape, one side of the second adhesive layer 4 is adhered to the CPP film 3, and the other side is used for being adhered to a cup for making tea, so that the label paper is not easy to fall into the cup during making tea.

In addition, be provided with on CPP membrane 3 and be used for the cladding second bond line 4 from type film protective layer 5, play fine guard action to second bond line 4 from type film protective layer 5, make simultaneously to tear from type film protective layer 5 back, the one side that second bond line 4 deviates from CPP membrane 3 can also keep viscidity.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. The tea bag label paper is characterized in that: including base plate (1), the surface of base plate (1) is for being used for the printing face of printing, the printing face of base plate (1) is provided with first bond line (2), first bond line (2) deviate from the one side of the printing face of base plate (1) is provided with CPP membrane (3), the one side of first bond line (2) adhere in the printing face of base plate (1) and another side adhere in CPP membrane (3).

2. The teabag label paper according to claim 1, wherein: the substrate (1) is a white cardboard.

3. The teabag label paper according to claim 1, wherein: the first adhesive layer (2) is a low density polyethylene layer.

4. The teabag label paper according to claim 2, wherein: the grammage range of the substrate (1) is between 280 g/m-300 g/m.

5. The teabag label paper according to claim 1, wherein: the thickness of the CPP film (3) ranges from 28 μm to 35 μm.

6. The teabag label paper according to claim 1, wherein: and a concave part is arranged on one surface of the CPP film (3) connected with the first bonding layer (2).

7. The teabag label paper according to claim 1, wherein: one side of the CPP film (3) departing from the first adhesive layer (2) is provided with a second adhesive layer (4), and a release film protective layer (5) used for coating the second adhesive layer (4) is arranged on the CPP film (3).

8. The teabag label paper according to claim 1, wherein: CPP membrane (3) are including heat-seal layer (31), sandwich layer (32) and corona layer (33), sandwich layer (32) are located heat-seal layer (31) reaches in the middle of corona layer (33), be provided with the barrier layer of PE material between heat-seal layer (31) and sandwich layer (32) and between corona layer (33) and sandwich layer (32) respectively, all adopt two ingredient polyurethane solventless adhesives to form the complex film between heat-seal layer (31), barrier layer, sandwich layer (32) and corona layer (33).