CN214327621U - Alcohol-resistant matte black PI adhesive tape - Google Patents

Abstract

The utility model relates to the field of adhesive tapes, in particular to an alcohol-resistant matte black PI adhesive tape, which comprises a PI substrate layer, a printing ink coating, a matte coating, an adhesive layer and a release film layer; the printing ink coating is coated on the upper surface of the PI base material layer; the matte coating is coated on the upper surface of the ink coating; the glue layer is arranged on the lower surface of the PI base material layer; the release film layer is arranged on the lower surface of the glue layer. The utility model effectively improves the adhesive force of the ink coating by changing the product structure and coating the ink by using the multilayer structure, and avoids the phenomenon of opening and tilting of the covered edge in the application process; by using the modified acrylic pressure-sensitive adhesive, the problem of poor adhesive residue is solved.

Description

Alcohol-resistant matte black PI adhesive tape

Technical Field

The utility model relates to a sticky tape field especially relates to a mute black PI sticky tape of resistant alcohol.

Background

With the development of the electronic industry, film tape materials such as protective films, release films, single-sided adhesive tapes and the like are increasingly applied to the fields of electronics, computers, household appliances and the like, wherein for the single-sided adhesive tapes, the traditional single-sided insulating adhesive tapes are single in type, and with the continuous and rapid development of related fields, the requirements of related electronic products cannot be met.

The traditional matte black PI adhesive tape (PI, polyimide) is formed by coating matte ink on the back of a PI substrate, the blackness and the matte degree can not meet the requirements, meanwhile, the alcohol resistance is poor, the adhesive force is poor, the weather resistance is poor, the performance stability is poor, the fluctuation is easy to occur, and the defects of opening, adhesive residue and the like can occur during wrapping and use.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a mute black PI sticky tape of resistant alcohol has improved the adhesive force of printing ink coating, avoids appearing borduring to open the phenomenon of perk, has solved the shortcoming such as cull is bad.

The utility model adopts the following technical scheme:

an alcohol-resistant matte black PI adhesive tape comprises a PI base material layer, an ink coating, a matte coating, a glue layer and a release film layer; the printing ink coating is coated on the upper surface of the PI base material layer; the matte coating is coated on the upper surface of the ink coating; the glue layer is arranged on the lower surface of the PI base material layer; the release film layer is arranged on the lower surface of the glue layer.

The technical scheme is further improved in that the PI substrate layer is a PI thin film layer.

The technical scheme is further improved in that the thickness of the PI base material layer is 10-15 mu m.

The technical proposal is further improved in that the ink coating is a black ink coating.

The technical scheme is further improved in that the thickness of the ink coating is 5-8 mu m.

The technical scheme is further improved in that the thickness of the matte coating is 1-4 mu m.

The technical proposal is further improved in that the glue layer is a modified acrylic acid sub-sensitive glue layer.

The technical scheme is further improved in that the thickness of the glue layer is 20-26 mu m.

The technical proposal is further improved in that the release film layer is a composite PET release film layer.

The technical scheme is further improved in that the thickness of the release film layer is 70-75 mu m.

The utility model has the advantages that:

the utility model effectively improves the adhesive force of the ink coating by changing the product structure and coating the ink by using the multilayer structure, and avoids the phenomenon of opening and tilting of the covered edge in the application process; by using the modified acrylic pressure-sensitive adhesive, the problem of poor adhesive residue is solved.

Drawings

Fig. 1 is a schematic structural view of the alcohol-resistant matte black PI tape of the present invention;

FIG. 2 is a schematic structural view of a first embodiment of the alcohol-resistant matte black PI tape of FIG. 1;

FIG. 3 is a schematic structural view of a second embodiment of the alcohol-resistant matte black PI tape of FIG. 1;

fig. 4 is a schematic structural view of a third embodiment of the alcohol-resistant matte black PI tape of fig. 1.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, an alcohol-resistant matte black PI tape comprises a PI substrate layer 10, an ink coating layer 20, a matte coating layer 30, a glue layer 40 and a release film layer 50; the ink coating 20 is coated on the upper surface of the PI base material layer 10; the matte coating 30 is coated on the upper surface of the ink coating 20; the glue layer 40 is arranged on the lower surface of the PI base material layer 10; the release film layer 50 is disposed on the lower surface of the glue layer 40.

The PI substrate layer 10 is a PI thin film layer; the thickness of the PI base material layer 10 is 10-15 microns; through using multilayer structure, under the unchangeable prerequisite of use thickness, use thinner substrate, effectively promoted the anti upwarping performance of product parcel, improved and opened the bad phenomenon.

The ink coating 20 is a black ink coating 20; the thickness of the ink coating 20 is 5-8 mu m; through the structure of the matte coating 30 and the black coating, the problem of the adhesive force of the matte coating 30 is solved, and the alcohol-resistant wiping performance of the ink coating 20 is effectively improved.

The thickness of the matte coating 30 is 1-4 mu m; through the structure of the matte coating 30 and the black coating, the problem of the adhesive force of the matte coating 30 is solved, and the alcohol-resistant wiping performance of the ink coating 20 is effectively improved.

The glue layer 40 is a modified acrylic acid sub-sensitive glue layer; the thickness of the glue layer 40 is 20-26 μm; the modified acrylic acid sub-sensitive adhesive is used, so that the cohesion and temperature resistance of the adhesive layer are improved, the problem of poor residual adhesive is solved, and the adhesive is convenient for customers to use.

The release film layer 50 is a composite PET release film layer 50; the thickness of the release film layer 50 is 70-75 μm; the composite PET release film structure is used, so that adverse risks such as coating degumming and single-layer wrinkling are improved, the appearance is smoother, and the product wrapping protection for customers is more attractive.

The first embodiment is as follows:

as shown in fig. 2, the alcohol-resistant matte black PI tape comprises a PI substrate layer 10a, an ink coating layer 20a, a matte coating layer 30a, a glue layer 40a and a release film layer 50 a; the ink coating layer 20a is coated on the upper surface of the PI base material layer 10 a; the matte coating 30a is coated on the upper surface of the ink coating 20 a; the glue layer 40a is arranged on the lower surface of the PI base material layer 10 a; the release film layer 50a is disposed on the lower surface of the glue layer 40 a.

Specifically, the PI substrate layer 10a is a PI thin film layer; the thickness of the PI base material layer 10a is 12 microns.

Specifically, the ink coat 20a is a black ink coat 20 a; the ink coating 20a has a thickness of 6 μm.

Specifically, the thickness of the matte coat 30a is 2 μm.

Specifically, the glue layer 40a is a modified acrylic acid sub-sensitive glue layer; the thickness of the glue layer 40a is 25 μm.

Specifically, the release film layer 50a is a composite PET release film layer 50 a; the thickness of the release film layer 50a is 75 μm.

Example two:

as shown in fig. 3, the alcohol-resistant matte black PI tape comprises a PI substrate layer 10b, an ink coating layer 20b, a matte coating layer 30b, a glue layer 40b and a release film layer 50 b; the ink coating layer 20b is coated on the upper surface of the PI base material layer 10 b; the matte coating 30b is coated on the upper surface of the ink coating 20 b; the glue layer 40b is arranged on the lower surface of the PI base material layer 10 b; the release film layer 50b is disposed on the lower surface of the glue layer 40 b.

Specifically, the PI substrate layer 10b is a PI thin film layer; the difference from the first embodiment is that the thickness of the PI substrate layer 10b is 10 μm.

Specifically, the ink coat 20b is a black ink coat 20 b; the difference from the first example is that the ink coating layer 20b has a thickness of 5 μm.

Specifically, the difference from the first embodiment is that the thickness of the matte coating 30b is 3 μm.

Specifically, the glue layer 40b is a modified acrylic acid sub-sensitive glue layer; the difference from the first embodiment is that the thickness of the glue layer 40b is 20a μm.

Specifically, the release film layer 50b is a composite PET release film layer 50 b; the difference from the first embodiment is that the thickness of the release film layer 50b is 70 μm.

Example three:

as shown in fig. 4, the alcohol-resistant matte black PI tape comprises a PI substrate layer 10c, an ink coating layer 20c, a matte coating layer 30c, a glue layer 40c and a release film layer 50 c; the ink coating 20c is coated on the upper surface of the PI base material layer 10 c; the matte coating 30c is coated on the upper surface of the ink coating 20 c; the glue layer 40c is arranged on the lower surface of the PI base material layer 10 c; the release film layer 50c is disposed on the lower surface of the glue layer 40 c.

Specifically, the PI substrate layer 10c is a PI thin film layer; the difference from the first embodiment is that the thickness of the PI substrate layer 10c is 13 μm.

Specifically, the ink coating 20c is a black ink coating 20 c; the difference from the first example is that the ink coating 20c has a thickness of 7 μm.

Specifically, the difference from the first embodiment is that the thickness of the matte coat layer 30c is 1 μm.

Specifically, the glue layer 40c is a modified acrylic acid sub-sensitive glue layer; the difference from the first embodiment is that the thickness of the glue layer 40c is 23 μm.

Specifically, the release film layer 50c is a composite PET release film layer 50 c; the difference from the first embodiment is that the thickness of the release film layer 50c is 73 μm.

The utility model effectively improves the adhesive force of the ink coating 20c and avoids the phenomenon of opening and tilting of the covered edge in the application process by changing the product structure and coating the ink by using the multilayer structure; by using the modified acrylic pressure-sensitive adhesive, the problem of poor adhesive residue is solved.

The above examples only represent some embodiments of the present invention, and the description thereof is more 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 (10)

1. An alcohol-resistant matte black PI tape, which is characterized in that: the ink comprises a PI substrate layer, an ink coating, a matte coating, a glue layer and a release film layer; the printing ink coating is coated on the upper surface of the PI base material layer; the matte coating is coated on the upper surface of the ink coating; the glue layer is arranged on the lower surface of the PI base material layer; the release film layer is arranged on the lower surface of the glue layer.

2. The alcohol resistant matte black PI tape of claim 1, wherein: the PI substrate layer is a PI thin film layer.

3. The alcohol resistant matte black PI tape of claim 2, wherein: the thickness of the PI base material layer is 10-15 mu m.

4. The alcohol resistant matte black PI tape of claim 1, wherein: the ink coating is a black ink coating.

5. The alcohol resistant matte black PI tape of claim 4, wherein: the thickness of the ink coating is 5-8 mu m.

6. The alcohol resistant matte black PI tape of claim 1, wherein: the thickness of the matte coating is 1-4 mu m.

7. The alcohol resistant matte black PI tape of claim 1, wherein: the glue layer is a modified acrylic acid sub-sensitive glue layer.

8. The alcohol resistant matte black PI tape of claim 7, wherein: the thickness of the glue layer is 20-26 mu m.

9. The alcohol resistant matte black PI tape of claim 1, wherein: the release film layer is a composite PET release film layer.

10. The alcohol resistant matte black PI tape of claim 9, wherein: the thickness of the release film layer is 70-75 mu m.

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