CN213623955U

CN213623955U - Better novel CPP film of pliability

Info

Publication number: CN213623955U
Application number: CN202022077825.7U
Authority: CN
Inventors: 金加恒
Original assignee: Wenzhou Baoping Packaging Material Co ltd
Current assignee: Wenzhou Baoping Packaging Material Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-07-06
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a novel CPP film with better flexibility, which comprises an upper bonding surface, an upper protective layer, an upper breathable layer, an elastic layer, an upper bonding layer, a lower breathable layer and a lower protective layer, wherein the upper protective layer is arranged below the upper bonding surface, the upper breathable layer consists of a through pipe, a vent hole and a vacuum layer, the upper bonding layer is arranged below the upper breathable layer, the elastic layer comprises a vacuum block, a core layer, an upper buffer layer and a lower buffer layer, the lower breathable layer is arranged below the lower bonding layer, the lower protective layer is provided below the lower breathable layer, the lower bonding surface is arranged below the lower protective layer, the vacuum block is arranged inside the elastic layer to protect the core layer through the stress degree of the vacuum block, the toughness of the CPP film is improved through the buffer layer, and the vent hole is arranged inside the breathable layer to achieve the internal air circulation, but also has the effect of preventing extrusion in the whole body.

Description

Better novel CPP film of pliability

Technical Field

The utility model relates to a CPP film technical field specifically is a better novel CPP film of pliability.

Background

The CPP film is a casting polypropylene film, also called an unstretched polypropylene film, and can be divided into a general film, an aluminized CPP film, a cooking CPP film and the like according to different purposes, the CPP is a polypropylene film produced by a casting extrusion molding process in the plastic industry, the film is different from the BOPP film and belongs to a non-oriented film, strictly speaking, the CPP film only has certain orientation in the longitudinal direction, and due to the process property, the CPP film forms excellent definition and finish on the film by rapid cooling on a cold casting roller;

the CPP film is mostly suitable for various industries, and the existing CPP film has the following problems: 1. the existing CPP film is mostly poor in adhesion because of the material when in use, so that the CPP film is connected to cause the problem of a gap, 2, the existing CPP film is mostly of a composite structure because of the inside, so that the air permeability of the CPP film is poor, and 3, the existing CPP film is not only damaged in the inner core layer because of overlarge extrusion pressure during processing, but also causes the problem of poor toughness of the CPP film.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a better novel CPP film of pliability, through having installed the face of bonding, go up ventilative layer and elastic layer, solved current CPP film and had following problem: 1. the existing CPP film is mostly poor in adhesion because of the material when in use, so that the CPP film is connected to cause the problem of a gap, 2, the existing CPP film is mostly of a composite structure because of the inside, so that the air permeability of the CPP film is poor, and 3, the existing CPP film is not only damaged in the inner core layer because of overlarge extrusion pressure during processing, but also causes the problem of poor toughness of the CPP film.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a better novel CPP film of pliability, includes bonding face, goes up the protective layer, goes up ventilative layer, elastic layer, goes up the adhesive linkage, ventilative layer and lower protective layer down, the below of going up the bonding face is equipped with the protective layer, the below of going up the protective layer is equipped with ventilative layer, go up ventilative layer and comprises siphunculus, venthole and vacuum layer, the below of going up ventilative layer is equipped with the adhesive linkage, the below of going up the adhesive linkage is equipped with the elastic layer, the elastic layer includes vacuum block, sandwich layer, goes up buffer layer and lower buffer layer, the below of elastic layer is equipped with down the adhesive linkage, the below of adhesive linkage is equipped with ventilative layer down, the below of ventilative layer is equipped with down the protective layer down, the below of lower protective layer is equipped with down the.

Preferably, the top of the upper protective layer is fixedly connected with the upper bonding surface, and the bottom of the upper protective layer is connected with the upper breathable layer in a bonding mode.

Preferably, the inner through pipe of the upper ventilation layer is connected with the vacuum layer in a chimeric mode, the inner part of the vacuum layer is fixedly connected with the air outlet holes, the air outlet holes are evenly distributed, and the air outlet holes are fixedly connected with the through pipe.

Preferably, the bottom of the upper breathable layer is fixedly connected with the elastic layer, the inner part of the elastic layer is connected with the core layer in a tabling mode, the top of the core layer is connected with the upper buffer layer in a bonding mode, the bottom of the core layer is connected with the lower buffer layer in a bonding mode, vacuum blocks are fixedly connected to two sides of the elastic layer, and the vacuum blocks are distributed evenly.

Preferably, the bottom of the elastic layer is connected with the lower adhesive layer in an adhesive mode, and the bottom of the lower adhesive layer is fixedly connected with the lower breathable layer.

Preferably, the bottom of the lower breathable layer is connected with the lower protective layer in an adhesion mode, and the bottom of the lower protective layer is fixedly connected with the lower adhesion surface.

(III) advantageous effects

The utility model provides a better novel CPP film of pliability. The method has the following beneficial effects:

(1) this novel CPP film, the top fixed connection through last protective layer is gone up the face that bonds, goes up ventilative layer in the bottom of protective layer through the mode connection that bonds, has installed the face that bonds at the top of last protective layer, plays main beneficial effect and just increases the outside adhesion nature of CPP film.

(2) This novel CPP film, the inside siphunculus through last ventilative layer connects the vacuum layer with the mode of gomphosis, the inside fixed connection venthole of vacuum layer, venthole fixed connection siphunculus, the effect of having installed the venthole at the internally mounted on ventilative layer is not only to reach inside circulation of air, can play whole inside moreover and prevent extruded effect.

(3) This novel CPP film, bottom fixed connection elastic layer through last ventilative layer, the sandwich layer is connected through the mode of gomphosis to the inside of elastic layer, and the buffer layer is connected through the mode that bonds in the top of sandwich layer, and the buffer layer is connected down through the mode that bonds in the bottom of sandwich layer, and the both sides fixed connection vacuum block of elastic layer has installed the vacuum block in the internally mounted of elastic layer and can protect the sandwich layer through the atress degree of vacuum block to improve the toughness of this CPP film through the buffer layer.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the upper breathable layer of the present invention;

fig. 3 is a schematic structural view of the elastic layer of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 1 according to the present invention.

In the figure, an upper bonding surface-1, an upper protective layer-2, an upper breathable layer-3, a through pipe-31, an air outlet-32, a vacuum layer-33, an elastic layer-4, a vacuum block-41, a core layer-42, an upper buffer layer-43, a lower buffer layer-44, an upper bonding layer-5, a lower breathable layer-6, a lower protective layer-7, a lower bonding layer-8 and a lower bonding surface-9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: the utility model provides a better novel CPP film of pliability, includes bonding surface 1, goes up protective layer 2, goes up ventilative layer 3, elastic layer 4, goes up adhesive linkage 5, ventilative layer 6 down and lower protective layer 7, the below of going up bonding surface 1 is equipped with protective layer 2, the below of going up protective layer 2 is equipped with ventilative layer 3, it comprises siphunculus 31, venthole 32 and vacuum layer 33 to go up ventilative layer 3, the below of going up ventilative layer 3 is equipped with adhesive linkage 5, the below of going up adhesive linkage 5 is equipped with elastic layer 4, elastic layer 4 includes vacuum block 41, sandwich layer 42, goes up buffer layer 43 and lower buffer layer 44, the below of elastic layer 4 is equipped with down adhesive linkage 8, the below of adhesive linkage 8 is equipped with ventilative layer 6 down, the below of ventilative layer 6 is equipped with lower protective layer 7 down, the below of lower protective layer 7 is equipped with bonding surface 9 down.

The top of the upper protection layer 2 is fixedly connected with the upper bonding surface 1, the bottom of the upper protection layer 2 is connected with the upper ventilation layer 3 in a bonding mode, the upper bonding surface 1 is installed on the top of the upper protection layer 2, and the CPP film has the main beneficial effect of increasing the external adhesiveness.

The inner through pipe 31 of the upper breathable layer 3 is connected with the vacuum layer 33 in a tabling mode, the inner part of the vacuum layer 33 is fixedly connected with the air outlet holes 32, the air outlet holes 32 are in an evenly distributed mode, the air outlet holes 32 are fixedly connected with the through pipe 31, and the air outlet holes 32 are arranged in the breathable layer, so that not only can the inner air circulation be achieved, but also the whole inner anti-extrusion effect can be achieved.

The bottom of the upper breathable layer 3 is fixedly connected with the elastic layer 4, the inside of the elastic layer 4 is connected with the core layer 42 in an embedding mode, the top of the core layer 42 is connected with the upper buffer layer 43 in a bonding mode, the bottom of the core layer 42 is connected with the lower buffer layer 44 in a bonding mode, the two sides of the elastic layer 4 are fixedly connected with the vacuum blocks 41, the vacuum blocks 41 are in an evenly distributed mode, the vacuum blocks 41 are arranged in the elastic layer 4, the core layer 42 can be protected through the stress degree of the vacuum blocks 41, and the toughness of the CPP film is improved through the buffer layers.

The bottom of the elastic layer 4 is connected with the lower adhesive layer 8 in a bonding mode, the bottom of the lower adhesive layer 8 is fixedly connected with the lower breathable layer 6, and the CPP film can be effectively protected from being damaged due to extrusion through the installation of the breathable layer and the adhesive layer which are symmetrical.

The bottom of the lower breathable layer 6 is connected with the lower protective layer 7 in a bonding mode, the bottom of the lower protective layer 7 is fixedly connected with the lower bonding surface 9, the CPP film can be subjected to double-sided bonding through the symmetrical bonding surfaces, and the multifunctional performance of the device is improved.

The working principle is as follows: when the CPP film is processed, the upper protective layer 2 is extruded to enable the upper protective layer 2 to be tightly attached to the upper breathable layer 3 at the bottom, when the upper breathable layer 3 is pressed, the vacuum layer 33 shrinks to press down the air outlet 32, the air outlet 32 is forced to discharge internal air, the upper breathable layer 3 presses down the upper bonding layer 5, the upper bonding layer 5 presses down the elastic layer 4, the elastic layer 4 is forced to extrude the internal vacuum block 41, the vacuum block 41 presses down the upper buffer layer 43 and the lower buffer layer 44, the upper buffer layer 43 and the lower buffer layer 44 rebound to play an internal buffering role after being pressed, the pressure is prevented from extruding the internal core layer 42, when the CPP film is used, the upper bonding surface 1 at the top of the upper protective layer 2 is connected with a bonded surface, the lower bonding surface 9 can also be used as a bonding surface, when the CPP film is attached to an object to be bonded, the vacuum layer 33 inside the upper breathable layer 3 and the lower breathable layer 6 can decompose pressure transmitted from the outside, then the CPP film is decomposed by the vacuum block 41 in the elastic layer 4, the upper buffer layer 43 and the lower buffer layer 44 are finally decomposed, and the vent holes 32 in the upper breathable layer 3 and the lower breathable layer 6 are connected with the through pipe 31, so that the air in the CPP film can be circulated.

The utility model discloses an on bond face 1, go up protective layer 2, go up ventilative layer 3, siphunculus 31, venthole 32, vacuum layer 33, elastic layer 4, vacuum piece 41, sandwich layer 42, go up buffer layer 43, buffer layer 44 down, go up adhesive linkage 5, ventilative layer 6 down, lower protective layer 7, adhesive linkage 8 down, bond face 9 down, the part is the part that general standard spare or technical personnel in the field know, its structure and principle all are this technical staff and all can learn through the technical manual or learn through conventional experimental method, the utility model provides a problem be current CPP film simple structure, problem that the function is single, the utility model discloses a make up of each other of above-mentioned parts, solved current CPP film and had following problem: 1. the existing CPP film is mostly poor in adhesion because of the material when in use, so that the CPP film is connected to cause the problem of a gap, 2, the existing CPP film is mostly of a composite structure because of the inside, so that the air permeability of the CPP film is poor, and 3, the existing CPP film is not only damaged in the inner core layer because of overlarge extrusion pressure during processing, but also causes the problem of poor toughness of the CPP film.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a better novel CPP film of pliability which characterized in that: the air-permeable floor comprises an upper bonding surface (1), an upper protective layer (2), an upper air-permeable layer (3), an elastic layer (4), an upper bonding layer (5), a lower air-permeable layer (6) and a lower protective layer (7), wherein the upper protective layer (2) is arranged below the upper bonding surface (1), the upper air-permeable layer (3) is arranged below the upper protective layer (2), the upper air-permeable layer (3) consists of a through pipe (31), an air outlet (32) and a vacuum layer (33), the upper bonding layer (5) is arranged below the upper air-permeable layer (3), the elastic layer (4) is arranged below the upper bonding layer (5), the elastic layer (4) comprises a vacuum block (41), a core layer (42), an upper buffer layer (43) and a lower buffer layer (44), the lower bonding layer (8) is arranged below the elastic layer (4), the lower air-permeable layer (6) is arranged below the lower bonding layer (8), a lower protective layer (7) is arranged below the lower breathable layer (6), and a lower bonding surface (9) is arranged below the lower protective layer (7).

2. The novel CPP film with better flexibility as claimed in claim 1, wherein: the top of the upper protective layer (2) is fixedly connected with the upper bonding surface (1), and the bottom of the upper protective layer (2) is connected with the upper breathable layer (3) in a bonding mode.

3. The novel CPP film with better flexibility as claimed in claim 1, wherein: the inner through pipe (31) of the upper breathable layer (3) is connected with the vacuum layer (33) in a chimeric mode, the inner part of the vacuum layer (33) is fixedly connected with the air outlet holes (32), the air outlet holes (32) are evenly distributed, and the air outlet holes (32) are fixedly connected with the through pipe (31).

4. The novel CPP film with better flexibility as claimed in claim 1, wherein: the bottom of the upper breathable layer (3) is fixedly connected with the elastic layer (4), the inner part of the elastic layer (4) is connected with the core layer (42) in a chimeric mode, the top of the core layer (42) is connected with the upper buffer layer (43) in a bonding mode, the bottom of the core layer (42) is connected with the lower buffer layer (44) in a bonding mode, the two sides of the elastic layer (4) are fixedly connected with the vacuum blocks (41), and the vacuum blocks (41) are in an evenly distributed mode.

5. The novel CPP film with better flexibility as claimed in claim 1, wherein: the bottom of the elastic layer (4) is connected with a lower bonding layer (8) in a bonding mode, and the bottom of the lower bonding layer (8) is fixedly connected with a lower breathable layer (6).

6. The novel CPP film with better flexibility as claimed in claim 1, wherein: the bottom of the lower breathable layer (6) is connected with a lower protective layer (7) in a bonding mode, and the bottom of the lower protective layer (7) is fixedly connected with a lower bonding surface (9).