CN220500195U - CPP film - Google Patents
CPP film Download PDFInfo
- Publication number
- CN220500195U CN220500195U CN202322101523.2U CN202322101523U CN220500195U CN 220500195 U CN220500195 U CN 220500195U CN 202322101523 U CN202322101523 U CN 202322101523U CN 220500195 U CN220500195 U CN 220500195U
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- Prior art keywords
- layer
- film layer
- film
- yarn
- wear
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- 239000012745 toughening agent Substances 0.000 claims abstract description 5
- 239000004743 Polypropylene Substances 0.000 claims description 11
- -1 polypropylene Polymers 0.000 claims description 11
- 229920001155 polypropylene Polymers 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 229920001778 nylon Polymers 0.000 claims description 8
- 239000003607 modifier Substances 0.000 claims description 4
- 239000011527 polyurethane coating Substances 0.000 claims description 3
- 239000012744 reinforcing agent Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 238000009413 insulation Methods 0.000 abstract description 4
- 239000002657 fibrous material Substances 0.000 abstract description 2
- 239000004814 polyurethane Substances 0.000 abstract description 2
- 229920002635 polyurethane Polymers 0.000 abstract description 2
- 229920002545 silicone oil Polymers 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 238000005266 casting Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 1
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model discloses a CPP film, which comprises an upper film layer and a lower film layer, wherein a waterproof layer is arranged on the outer surface of the upper film layer, an insulating layer is smeared on the outer surface of the waterproof layer, a wear-resistant layer is arranged on the outer surface of the lower film layer, and a yarn layer is arranged on the outer surface of the wear-resistant layer. According to the utility model, the waterproof performance and the insulation effect of the upper film layer are improved by arranging the waterproof layer and the insulation layer on the outer surface of the upper film layer, the yarn layer and the wear-resistant layer are arranged on the outer surface of the lower film layer, the wear-resistant effect of the inner side of the lower film layer is improved by the wear-resistant layer, meanwhile, the fiber material of the yarn layer is added with a plurality of toughening agents or modifying agents such as polyurethane, silicone oil and the like, so that the softness and the wear resistance of the fiber can be improved, and the good wear-resistant effect of the yarn layer is realized, so that when the film wraps an article, the lower film layer of the film is prevented from being easily scratched by sharp parts of the outer part of the article, and the protection effect of the film is improved.
Description
Technical Field
The utility model relates to the technical field of CPP films, in particular to a CPP film.
Background
CPP is a polypropylene film produced by a cast extrusion process in the plastic industry. The film is different from BOPP film and belongs to non-oriented film. Strictly speaking, the CPP film has the characteristics of high production speed, high yield, good film transparency, glossiness and thickness uniformity, is widely applied to packaging of foods, medical supplies, textiles, flowers and daily necessities, and along with continuous improvement and promotion of the casting CPP film production technology, the characteristics of the casting CPP film are better and better, the characteristics of the casting CPP film are highlight and high-transparency, and the casting CPP film is developed towards the good characteristic direction.
The existing high-brightness high-permeability casting CPP film still has the defects in the using process, and has the advantages that the film cannot effectively prevent the penetration of moisture due to the poor waterproof and wear-resistant effects, so that wrapped articles are easy to be wet and damaged, particularly, for the articles which are easy to be wet, such as paper products, foods and the like, the penetration of the moisture can cause deterioration, mildew or damage, the film which does not have good wear-resistant performance is easy to damage or wear due to friction, the wrapped articles are easy to be collided, scratched or damaged by the outside, and the packaging effect on the articles is reduced.
Accordingly, it is necessary to invent a CPP film to solve the above problems.
Disclosure of Invention
The utility model aims to provide a CPP film to solve the defects in the technology.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a CPP film, includes film layer and lower film layer, the surface on film layer is provided with the waterproof layer, insulating layer has been paintd to the surface of waterproof layer, the surface on film layer is provided with the wearing layer down, the surface on wearing layer is provided with the yarn layer, the surface on film layer is provided with the equidistant recess of distribution of a plurality of, the recess is the arc structure, the surface on yarn layer is provided with the protruding of a plurality of irregular distribution.
As a preferable scheme of the utility model, release paper is arranged between the upper film layer and the lower film layer, and the outer parts of two sides of the release paper are adhered to the inner sides of the upper film layer and the lower film layer.
As a preferable scheme of the utility model, the upper film layer and the lower film layer are made of polypropylene resin with narrow molecular weight distribution, and reinforcing agents are added into the polypropylene resin materials of the upper film layer and the lower film layer.
As a preferable scheme of the utility model, the yarn layer is formed by interweaving nylon fibers, a toughening agent and a modifier are added to the nylon fibers of the yarn layer, and a polyurethane coating is smeared on the outer surface of the yarn layer.
In the technical scheme, the utility model has the technical effects and advantages that:
through setting up waterproof layer and insulating layer at last film layer external surface, improve the waterproof performance of last film layer, and insulating effect thereof, and the lower film layer external surface sets up yarn layer and wearing layer, improve the inboard wearing effect of this lower film layer by the wearing layer, add some toughening agents or modifiers in the fibrous material of yarn layer simultaneously, like polyurethane, silicone oil etc. can improve fibrous compliance and wearability, make this film have certain printing opacity and ventilation effect, and the good wearing effect of yarn layer, when making this film wrap up article, avoid the lower film layer of film to be scratched easily by the sharp point of the outside of article, the protection effect of this film has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a cross-sectional view of the overall structure of the present utility model;
fig. 2 is a weave structure diagram of a yarn layer of the present utility model.
Reference numerals illustrate:
1. coating a film; 2. a lower film; 3. a wear-resistant layer; 4. a waterproof layer; 5. release paper; 6. a yarn layer; 7. an insulating layer; 8. a groove; 9. a protrusion.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The utility model provides a CPP film as shown in figures 1-2, which comprises an upper film layer 1 and a lower film layer 2, wherein a waterproof layer 4 is arranged on the outer surface of the upper film layer 1, the waterproof layer 4 can effectively prevent moisture from penetrating and corroding and damaging materials wrapped by the CPP film, an insulating layer 7 is smeared on the outer surface of the waterproof layer 4, the insulating layer 7 provides good electric insulation protection, the CPP film can be used for insulating electric equipment such as wires and cables, the outer surface of the lower film layer 2 is provided with a wear-resistant layer 3, the outer surface of the wear-resistant layer 3 is provided with a yarn layer 6, a plurality of grooves 8 distributed at equal intervals are arranged on the outer surface of the upper film layer 1, the grooves 8 are of an arc-shaped structure, and microscopic holes and channels on the surface of the film can be increased by the grooves 8 of the arc-shaped structure, so that the gas permeability is improved. The design can increase the number and the diameter of channels of gas on the surface of the film, promote the flow and diffusion of the gas, thereby improving the air permeability of the film, the outer surface of the yarn layer 6 of the lower film layer 2 is provided with a plurality of irregularly distributed bulges 9, the irregularly distributed bulges 9 can increase the effective contact area of the surface of the film, thus the contact area with other objects can be improved, the friction force and the adhesion force are increased, and the structure between the grooves 8 and the bulges 9 ensures that the upper surface of the upper film layer 1 of the film and the lower surface of the lower film layer 2 of the film cannot be nested when the films are mutually wound, the possibility of adhesion and adhesion is reduced, the films can be prevented from being stuck together when the films are mutually wound, and the separability of the films is improved.
Further, in the above technical scheme, be provided with from type paper 5 between upper film layer 1 and the lower film layer 2, from the outside of both sides of type paper 5 with upper film layer 1 and the inboard of lower film layer 2 bond, from the setting of type paper, when can making upper film layer 1 and lower film layer 2 bond together, prevent to appear the fold to and prevent the damage or the pollution of adhesion to the product.
Further, in the above technical solution, the upper film layer 1 and the lower film layer 2 are made of polypropylene resin with narrow molecular weight distribution, and the polypropylene resin material of the upper film layer 1 and the lower film layer 2 is added with a reinforcing agent, and the polypropylene resin with narrow molecular weight distribution has more consistent physical properties, such as melt flowability, mechanical strength, thermal stability, and the like, which means that the properties of the material can be better controlled and predicted when the product is prepared, thereby improving the consistency and reliability of the product, and meanwhile, the melt property and flowability of the polypropylene resin are better, the processing temperature and energy consumption are reduced, and the production efficiency is improved, and the polypropylene resin with narrow molecular weight distribution has lower solubility and adsorptivity because the molecular weight distribution is narrow, and the length and molecular weight of the polymer chain are less changed. This means that polypropylene resins have lower adhesion and tackiness when in contact with other materials, reducing blocking and contamination problems with other materials.
Furthermore, in the above technical scheme, the yarn layer 6 is formed by interweaving nylon fibers, the toughening agent and the modifier are added in the nylon fibers of the yarn layer 6, the polyurethane coating is coated on the outer surface of the yarn layer 6, and the toughness and the mechanical strength of the CCP film can be increased by using the yarn layer 6 interweaved by nylon fibers.
When the utility model is used, the working process is as follows:
the film has waterproof performance, insulating performance and wear-resisting performance, wherein the design of the outer surface insulating layer 7 and the waterproof layer 4 of the upper film layer 1 is adopted, the waterproof layer 4 is positioned on the outer surface of the upper film layer 1, moisture permeation can be effectively prevented, the insulating layer 7 is smeared on the outer surface of the waterproof layer 4, thereby providing excellent electric insulation protection, the design of the outer surface wear-resisting layer 3 and the yarn layer 6 of the lower film layer 2 is adopted, the wear-resisting performance of the film is improved, meanwhile, the yarn layer 6 is formed by interweaving nylon fibers, the effect of toughening and reinforcing is achieved, the wear-resisting layer 3 improves the wear-resisting performance of the lower surface of the CCP film, the service life of the film is prolonged, the CCP film can be suitable for various environments, the CCP film has good compatibility with other materials, friction with sharp objects is avoided during use, the film surface is prevented from being damaged, and meanwhile, the corrosion of high temperature and chemical substances is prevented from being influenced.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (4)
1. CPP film, including last film layer (1) and lower film layer (2), its characterized in that: the outer surface of going up film layer (1) is provided with waterproof layer (4), insulating layer (7) have been paintd to the surface of waterproof layer (4), the surface of lower film layer (2) is provided with wearing layer (3), the surface of wearing layer (3) is provided with yarn layer (6), the surface of going up film layer (1) is provided with equidistant recess (8) of distribution of a plurality of, recess (8) are the arc structure, the surface of yarn layer (6) is provided with protruding (9) of a plurality of irregularly distributed.
2. The CPP film according to claim 1, wherein: release paper (5) is arranged between the upper film layer (1) and the lower film layer (2), and the outer parts of the two sides of the release paper (5) are adhered to the inner sides of the upper film layer (1) and the lower film layer (2).
3. The CPP film according to claim 1, wherein: the upper film layer (1) and the lower film layer (2) are made of polypropylene resin with narrow molecular weight distribution, and reinforcing agents are added into the polypropylene resin materials of the upper film layer (1) and the lower film layer (2).
4. The CPP film according to claim 1, wherein: the yarn layer (6) is formed by interweaving nylon fibers, a toughening agent and a modifier are added to the nylon fibers of the yarn layer (6), and a polyurethane coating is smeared on the outer surface of the yarn layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322101523.2U CN220500195U (en) | 2023-08-07 | 2023-08-07 | CPP film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322101523.2U CN220500195U (en) | 2023-08-07 | 2023-08-07 | CPP film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220500195U true CN220500195U (en) | 2024-02-20 |
Family
ID=89868377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322101523.2U Active CN220500195U (en) | 2023-08-07 | 2023-08-07 | CPP film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220500195U (en) |
-
2023
- 2023-08-07 CN CN202322101523.2U patent/CN220500195U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |