CPP film easy to uncover
By setting up built-in strips and strips on the CPP film and using its extended end and strips, the problem of difficult to quickly uncover CPP films in the prior art is solved, and rapid uncovery and improved films are achieved efficiency of use.
Patent Information
- Application Number
- CN202420748558.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-12
AI Technical Summary
In the prior art, it is difficult to quickly find and uncover the film port when used, which affects the use efficiency.
An easy-to-release CPP film is designed, by providing a first built-in strip and a second built-in strip on the lower surface of the CPP film body, and bonding it to the adhesive layer, the extension of the strip is utilized. The end and the uncovered end can be quickly uncovered to avoid uncovering the strips affecting the normal use of the film.
It realizes the rapid search and uncovering of the membrane port of the CPP film, improves the efficiency of use, and enhances the practicality of the membrane.
Smart Images
Figure CN222274438U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of CPP films, in particular to an easy-to-reveal CPP film. Background Art
[0002] CPP protective film, namely cast polypropylene protective film, is a non-stretched, non-directional polypropylene protective film. The CPP film is printed and bag-made, and is widely used in clothing, knitwear, flower packaging bags, documents and album films, food packaging, etc. After searching, the prior art (application number: CN202023291377.7) records that "the edge sealing function is achieved by providing an edge sealing strip, and an adhesive layer is bonded to the top and bottom of the CPP film body, and an edge sealing strip is bonded to the top of the adhesive layer. The edge sealing strip can seal the two sides of the CPP film body, and the sealing hot-melt strip can improve the sealing of one side of the CPP film body. It has the function of edge sealing and improves the sealing of the CPP film body". However, the adhesive CPP film in the prior art is difficult to quickly find and uncover the film port when used, which affects the use efficiency. Utility Model Content
[0003] In order to overcome the defects of the prior art, an easy-to-peel CPP film is provided to solve the problem that the adhesive CPP film in the prior art is difficult to quickly find and peel off the film port when using it, which affects the use efficiency.
[0004] To achieve the above object, an easy-to-peel CPP film is provided, comprising: a CPP film body, wherein an adhesive layer is provided on the lower surface of the CPP film body;
[0005] The lower end surface of the CPP film body is bonded with a first built-in peeling strip and a second built-in peeling strip, the side ends of the first built-in peeling strip are respectively provided with a left peeling end and an extension end 1, the side ends of the second built-in peeling strip are respectively provided with a right peeling end and an extension end 2, and the first built-in peeling strip and the second built-in peeling strip are bonded to the adhesive layer through a removable adhesive layer.
[0006] Furthermore, the CPP film body comprises a first built-in peeling strip, a second built-in peeling strip, a corona treatment layer, a support layer, a heat sealing layer, a reinforcement layer and an adhesive layer.
[0007] Furthermore, the corona treatment layer, the support layer, the heat sealing layer, the reinforcement layer, and the adhesive layer constitute a composite CPP film body.
[0008] Furthermore, a support layer is bonded to the lower end of the corona treatment layer, and a heat sealing layer is bonded to the lower end of the support layer.
[0009] Furthermore, the thickness ratio of the corona treatment layer, the support layer and the heat sealing layer is 1:3:1.
[0010] Furthermore, a reinforcing layer made of polypropylene copolymer is bonded to the lower end of the heat-sealing layer.
[0011] Furthermore, the lower surface of the reinforcement layer is coated with an adhesive layer added with a waterproof coating.
[0012] Furthermore, the first built-in peeling strip and the second built-in peeling strip are horizontally aligned, spliced and bonded at the adhesive layer.
[0013] Furthermore, the left opening end and the extended end are respectively located at the left side and the right side of the first built-in opening strip.
[0014] Furthermore, the right opening end and the second extension end are respectively located on the right side and the left side of the second built-in opening strip.
[0015] Furthermore, the left peeling end and the right peeling end are distributed at the outer edge of the CPP film body.
[0016] Furthermore, the first extension end and the second extension end are bent and attached to the lower surfaces of the first built-in opening strip and the second built-in opening strip.
[0017] Furthermore, the lower end surfaces of the first built-in peeling strip and the second built-in peeling strip are bonded with a side glue layer.
[0018] Furthermore, the side adhesive layer is coated on the lower surfaces of the first built-in peeling strip and the second built-in peeling strip using UV adhesive.
[0019] Furthermore, the side glue layer is located outside the first extension end and the second extension end.
[0020] Furthermore, the first built-in peeling strip and the second built-in peeling strip are made of 0.015 mm PE material and are attached to the adhesive layer of the CPP film body.
[0021] Furthermore, a peelable adhesive layer is bonded to the upper surfaces of the first built-in peel-off strip and the second built-in peel-off strip.
[0022] Furthermore, a first built-in peeling strip and a second built-in peeling strip are equidistantly distributed on the surface of the CPP film body.
[0023] Furthermore, the first built-in peeling strip, the second built-in peeling strip and the peelable adhesive layer constitute a peelable peeling structure of the CPP film body.
[0024] The beneficial effect of the utility model lies in that the easy-to-peel CPP film of the utility model utilizes a first built-in peeling strip and a second built-in peeling strip to be equidistantly distributed at the adhesive layer of the CPP film, and the port of the CPP film is peeled off by pulling the peeling ends of the two groups of peeling strips, thereby realizing a quick-peeling CPP film, and facilitating and quickly finding and peeling the film port of the CPP film. By pulling the extended end of the built-in peeling strip, the built-in peeling strip is peeled off from the surface of the CPP film, thereby preventing the built-in peeling strip from affecting the normal use of the CPP film, and improving the practicality of the easy-to-peel CPP film. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of a partial structure of the easy-to-peel CPP film in a top view according to an embodiment of the utility model.
[0026] Figure 2 This is a schematic diagram of the structural layers of the easy-to-peel CPP film according to an embodiment of the utility model.
[0027] Figure 3 It is a schematic diagram of a partial cross-sectional structure of a first built-in peeling strip and an adhesive layer in a front view according to an embodiment of the utility model.
[0028] Figure 4 It is a schematic structural diagram of the second built-in opening strip according to an embodiment of the utility model.
[0029] In the figure: 1. CPP film body; 2. first built-in peeling strip; 21. left peeling end; 22. extension end one; 3. second built-in peeling strip; 31. right peeling end; 32. extension end two; 4. corona treatment layer; 5. support layer; 6. heat sealing layer; 7. reinforcement layer; 8. adhesive layer; 9. peelable adhesive layer; 91. side glue layer. DETAILED DESCRIPTION
[0030] Reference Figures 1 to 4 As shown, the utility model provides an easy-to-peel CPP film, comprising: a CPP film body 1, an adhesive layer 8 is arranged on the lower surface of the CPP film body 1,
[0031] A first built-in peel-off strip 2 and a second built-in peel-off strip 3 are bonded to the lower end surface of the CPP film body 1. The side ends of the first built-in peel-off strip 2 are respectively provided with a left peel-off end 21 and an extension end 1 22, and the side ends of the second built-in peel-off strip 3 are respectively provided with a right peel-off end 31 and an extension end 2 32. The first built-in peel-off strip 2 and the second built-in peel-off strip 3 are bonded to the adhesive layer 8 through a removable adhesive layer 9.
[0032] Working principle: Find the first built-in peeling strip 2 and the second built-in peeling strip 3 on the surface of the CPP film body 1, and pull the peeling ends of the two sets of peeling strips to peel off the end of the CPP film, so as to facilitate the quick search and peeling of the film end of the CPP film. After peeling off the CPP film body 1, pull the extended end of the built-in peeling strip to peel off the built-in peeling strip from the surface of the CPP film, so as to avoid the built-in peeling strip affecting the normal use of the CPP film and improve the practicality of the easy-to-peel CPP film.
[0033] In this embodiment, the CPP film body 1 comprises a first built-in peeling strip 2, a second built-in peeling strip 3, a corona treatment layer 4, a support layer 5, a heat sealing layer 6, a reinforcement layer 7 and an adhesive layer 8. The corona treatment layer 4, the support layer 5, the heat sealing layer 6, the reinforcement layer 7 and the adhesive layer 8 constitute a composite CPP film body 1. The support layer 5 is bonded to the lower end of the corona treatment layer 4, and the heat sealing layer 6 is bonded to the lower end of the support layer 5. The thickness ratio of the corona treatment layer 4, the support layer 5 and the heat sealing layer 6 is 1:3:1.
[0034] As a preferred embodiment, the composite CPP film body 1 enhances the performance of the single-layer CPP film, making the application range of the CPP film body 1 wider.
[0035] In this embodiment, a reinforcing layer 7 made of a polypropylene copolymer is bonded to the lower end of the heat-sealing layer 6. The lower surface of the reinforcing layer 7 is coated with an adhesive layer 8 added with a waterproof coating.
[0036] As a preferred embodiment, the reinforcement layer 7 is convenient for further strengthening the layer structure of the CPP membrane body 1. The adhesive layer 8 with waterproof coating added can play a certain waterproof effect.
[0037] In this embodiment, the first built-in peel-off strip 2 and the second built-in peel-off strip 3 are horizontally aligned, spliced and bonded at the adhesive layer 8 .
[0038] As a preferred implementation, the end of the CPP film body 1 is opened by pulling the first built-in opening strip 2 and the second built-in opening strip 3 .
[0039] In this embodiment, the left peeling end 21 and the extension end 1 22 are respectively located at the left side and the right side of the first built-in peeling strip 2. The right peeling end 31 and the extension end 2 32 are respectively located at the right side and the left side of the second built-in peeling strip 3. The left peeling end 21 and the right peeling end 31 are distributed at the outer edge of the CPP film body 1.
[0040] As a preferred embodiment, the peeling end and the extension end are integrally formed with the built-in peeling strip.
[0041] In this embodiment, the first extension end 22 and the second extension end 32 are bent and attached to the lower surfaces of the first built-in opening strip 2 and the second built-in opening strip 3 .
[0042] As a preferred implementation, the extension end 1 22 and the extension end 2 32 are convenient for pulling the extension end 1 22 and the extension end 2 32 , so that the end of the CPP membrane body 1 is uncovered.
[0043] In this embodiment, the lower end surfaces of the first built-in peeling strip 2 and the second built-in peeling strip 3 are bonded with a side glue layer 91. The side glue layer 91 is coated on the lower surfaces of the first built-in peeling strip 2 and the second built-in peeling strip 3 using UV glue.
[0044] As a preferred embodiment, the first built-in peeling strip 2 and the second built-in peeling strip 3 are attached to the surface of the rolled CPP film body 1 through the side adhesive layer 91, thereby preventing external dust from entering the adhesive layer 8 of the CPP film body 1.
[0045] In this embodiment, the first built-in peeling strip 2 and the second built-in peeling strip 3 are made of 0.015 mm PE material and attached to the adhesive layer 8 of the CPP film body 1. A peelable adhesive layer 9 is bonded to the upper surface of the first built-in peeling strip 2 and the second built-in peeling strip 3. The first built-in peeling strip 2 and the second built-in peeling strip 3 are evenly distributed on the surface of the CPP film body 1.
[0046] As a preferred embodiment, the first built-in peeling strip 2 and the second built-in peeling strip 3 made of PE material are not easily deformed, thereby avoiding directly pulling open the CPP film body 1 and causing damage to the CPP film body 1. The peelable adhesive layer 9 facilitates the peeling of the first built-in peeling strip 2 and the second built-in peeling strip 3 without residue.
[0047] In this embodiment, the first built-in peel-off strip 2 , the second built-in peel-off strip 3 and the peelable adhesive layer 9 constitute a peelable peeling structure of the CPP film body 1 .
[0048] As a preferred embodiment, the peelable peeling structure of the CPP film body 1 facilitates peeling of the first built-in peeling strip 2 and the second built-in peeling strip 3, thereby preventing the built-in peeling strips from affecting the normal use of the CPP film and improving the practicality of the easy-to-peel CPP film.
[0049] The easy-to-peel CPP film of the utility model can effectively solve the problem in the prior art that it is difficult to quickly find and peel off the film port of the adhesive CPP film when using it, which affects the use efficiency. The utility model realizes a quick-peel CPP film, facilitates and quickly finds and peels off the film port of the CPP film, avoids the built-in peeling strip affecting the normal use of the CPP film, improves the practicality of the easy-to-peel CPP film, and is suitable for the easy-to-peel CPP film.
Claims
1. An easy-to-remove CPP film, comprising: A CPP film body (1), wherein an adhesive layer (8) is provided on the lower surface of the CPP film body (1), characterized in that: The lower end surface of the CPP film body (1) is bonded with a first built-in peeling strip (2) and a second built-in peeling strip (3); the side ends of the first built-in peeling strip (2) are respectively provided with a left peeling end (21) and an extended end 1 (22); the side ends of the second built-in peeling strip (3) are respectively provided with a right peeling end (31) and an extended end 2 (32); the first built-in peeling strip (2) and the second built-in peeling strip (3) are bonded to the adhesive layer (8) via a peelable adhesive layer (9).
2. The easy-to-peel CPP film according to claim 1, characterized in that: The first built-in peeling strip (2) and the second built-in peeling strip (3) are horizontally aligned, spliced and bonded at the adhesive layer (8).
3. The easy-to-peel CPP film according to claim 1, characterized in that: The first extended end (22) and the second extended end (32) are bent and attached to the lower surfaces of the first built-in opening strip (2) and the second built-in opening strip (3).
4. The easy-to-peel CPP film according to claim 1, characterized in that: The first built-in peeling strip (2) and the second built-in peeling strip (3) are made of 0.015 mm PE material and are attached to the adhesive layer (8) of the CPP film body (1).
5. The easy-to-peel CPP film according to claim 1, characterized in that: A peelable adhesive layer (9) is bonded to the upper surfaces of the first built-in peel-off strip (2) and the second built-in peel-off strip (3).