CN217395857U - Composite film with barrier flame-retardant function - Google Patents
Composite film with barrier flame-retardant function Download PDFInfo
- Publication number
- CN217395857U CN217395857U CN202220948133.1U CN202220948133U CN217395857U CN 217395857 U CN217395857 U CN 217395857U CN 202220948133 U CN202220948133 U CN 202220948133U CN 217395857 U CN217395857 U CN 217395857U
- Authority
- CN
- China
- Prior art keywords
- flame
- layer
- retardant fiber
- retardant
- flame retardant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model relates to a composite film with the function of obstructing flame retardance in the technical field of composite films, which comprises a base extension layer, a plurality of surface covering layers and a plurality of flame retardant fiber layers, wherein the surface covering layers are respectively positioned at the top end surface and the bottom end surface of the base extension layer, the flame retardant fiber layer is positioned between the base extension layer and the surface covering layers, the distance between every two adjacent flame retardant fiber layers is consistent, a heat shrinkable film layer is arranged between every two adjacent flame retardant fiber layers, the adjacent two flame retardant fiber layers are fixedly connected through the heat shrinkable film layer, a multilayer structure is adopted, on one hand, the flame retardant function and the product packaging function are effectively realized, on the other hand, the flame retardant fiber layers are divided into a multi-section structure, the investment of the flame retardant fiber layers is effectively saved, optimize the inside integrated configuration of complex film simultaneously, its simple structure is fit for promoting on a large scale simultaneously.
Description
Technical Field
The utility model relates to a complex film technical field specifically is a complex film with fire-retardant function of separation.
Background
At present, the requirement of product packaging on flame retardant performance is higher and higher, and the composite flame retardant film is widely applied to various technical fields with flame retardant requirements as an electronic protection material and a shielding material; attention has been focused on the physical properties of fire protection in the composition of the interior fire-resistant material.
According to the thought Chinese patent with the patent number of CN202439281U, a three-dimensional composite flame-retardant film is described, which effectively plays a flame-retardant role, and transverse flame-retardant fibers and longitudinal flame-retardant fibers play supporting and flame-retardant roles.
However, in actual product packaging, cost control of packaging materials is required, and therefore, in view of these current situations, development of a composite film having a barrier flame retardant function is urgently required to meet the requirements of actual use.
Disclosure of Invention
The utility model aims at solving the above defect, providing the complex film that has the fire-retardant function of separation.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the composite film with the function of flame retardance blocking comprises a base layer extending layer, a plurality of surface covering layers and a plurality of flame-retardant fiber layers, wherein the surface covering layers are respectively positioned on the top end face and the bottom end face of the base layer extending layer, the flame-retardant fiber layers are positioned between the base layer extending layer and the surface covering layers, the distance between every two adjacent flame-retardant fiber layers is consistent, a heat-shrinkable film layer is arranged between every two adjacent flame-retardant fiber layers, and the two adjacent flame-retardant fiber layers are fixedly connected through the heat-shrinkable film layer.
In the above description, as a further scheme, the flame retardant fiber layer has a double-layer structure, one layer of the flame retardant fiber layer is a transverse flame retardant fiber layer, and the other layer of the flame retardant fiber layer is a longitudinal flame retardant fiber layer.
In the above description, as a further scheme, the strip-shaped flame retardant fibers are disposed inside the transverse flame retardant fiber layer and the longitudinal flame retardant fiber layer, and the flame retardant fibers inside the transverse flame retardant fiber layer and the flame retardant fibers inside the longitudinal flame retardant fiber layer are distributed perpendicular to each other.
In the above description, as a further aspect, the heat shrinkable film layer is formed of an EVOH co-extruded shrinkable film.
In the above description, as a further aspect, the heat shrinkable film layer is formed of a PVDC co-extruded shrink film.
The utility model discloses produced beneficial effect as follows:
the utility model provides a complex film with separation flame retardant efficiency adopts the multilayer structure, plays fire-retardant effect and product package effectively on the one hand and plays support and fire-retardant effect, and in addition through dividing into the multistage structure with the flame retardant fiber layer, the effectual input of having saved the flame retardant fiber layer optimizes the inside integrated configuration of complex film simultaneously, and its simple structure is fit for promoting on a large scale simultaneously.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of a composite film with flame retardant barrier function according to the present invention;
fig. 2 is a schematic view of an internal structure of a first embodiment of the composite film with flame retardant barrier function according to the present invention;
fig. 3 is a schematic perspective view of a second embodiment of the composite film with flame-retardant barrier function according to the present invention;
fig. 4 is a schematic diagram of an internal structure of a second embodiment of the composite film with flame-retardant barrier function according to the present invention;
in the figure: 1-a base layer extending layer, 2-a surface covering layer, 3-a flame-retardant fiber layer, 301-flame-retardant fibers, 302-a transverse flame-retardant fiber layer, 303-a longitudinal flame-retardant fiber layer and 4-a heat-shrinkable film layer.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1-2, the embodied composite film with flame retardant function includes a base layer extending layer 1, a plurality of surface covering layers 2 and a plurality of flame retardant fiber layers 3, wherein the plurality of surface covering layers 2 are respectively located at the top end face and the bottom end face of the base layer extending layer 1, the flame retardant fiber layers 3 are located between the base layer extending layer 1 and the surface covering layers 2, the distance between two adjacent flame retardant fiber layers 3 is consistent, a heat shrinkable film layer 4 is arranged between two adjacent flame retardant fiber layers 3, and the two adjacent flame retardant fiber layers 3 are fixedly connected through the heat shrinkable film layer 4.
The flame-retardant fiber layer 3 is internally provided with strip-shaped flame-retardant fibers 301, and the heat shrinkable film layer 4 is formed by an EVOH co-extruded shrinkable film.
Example two:
referring to fig. 3-4, the embodied composite film with flame retardant function includes a base layer extending layer 1, a plurality of surface covering layers 2 and a plurality of flame retardant fiber layers 3, wherein the plurality of surface covering layers 2 are respectively located at the top end face and the bottom end face of the base layer extending layer 1, the flame retardant fiber layers 3 are located between the base layer extending layer 1 and the surface covering layers 2, the distance between two adjacent flame retardant fiber layers 3 is the same, a heat shrinkable film layer 4 is arranged between two adjacent flame retardant fiber layers 3, and the two adjacent flame retardant fiber layers 3 are fixedly connected through the heat shrinkable film layer 4.
The flame-retardant fiber layer 3 is a double-layer structure, one layer of the flame-retardant fiber layer 3 is a transverse flame-retardant fiber layer 302, and the other layer of the flame-retardant fiber layer 3 is a longitudinal flame-retardant fiber layer 303.
The transverse flame-retardant fiber layer 302 and the longitudinal flame-retardant fiber layer 303 are both internally provided with strip-shaped flame-retardant fibers 301, and the flame-retardant fibers 301 in the transverse flame-retardant fiber layer 302 and the flame-retardant fibers 301 in the longitudinal flame-retardant fiber layer 303 are mutually and vertically distributed. The heat shrinkable film layer 4 is made of PVDC co-extruded shrink film.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.
Claims (5)
1. The composite film with the function of flame retardance barrier comprises a base layer extending layer, a plurality of surface covering layers and a plurality of flame-retardant fiber layers, and is characterized in that: the surface covering layers are respectively positioned on the top end surface and the bottom end surface of the base extending layer, the flame-retardant fiber layers are positioned between the base extending layer and the surface covering layers, the distance between every two adjacent flame-retardant fiber layers is consistent, the heat-shrinkable film layer is arranged between every two adjacent flame-retardant fiber layers, and the two adjacent flame-retardant fiber layers are fixedly connected through the heat-shrinkable film layer.
2. The composite film with a barrier flame-retardant function according to claim 1, characterized in that: the flame-retardant fiber layer is of a double-layer structure, one layer of the flame-retardant fiber layer is a transverse flame-retardant fiber layer, and the other layer of the flame-retardant fiber layer is a longitudinal flame-retardant fiber layer.
3. The composite film with barrier and flame retardant functions according to claim 2, characterized in that: the transverse flame-retardant fiber layer and the longitudinal flame-retardant fiber layer are both internally provided with strip-shaped flame-retardant fibers, and the flame-retardant fibers in the transverse flame-retardant fiber layer and the flame-retardant fibers in the longitudinal flame-retardant fiber layer are vertically distributed.
4. The composite film with a barrier flame-retardant function according to any one of claims 1 to 3, wherein: the heat shrinkable film layer is formed by an EVOH co-extruded shrinkable film.
5. The composite film with a barrier flame-retardant function according to any one of claims 1 to 3, wherein: the heat shrinkable film layer is formed by a PVDC co-extrusion shrinkable film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220948133.1U CN217395857U (en) | 2022-04-22 | 2022-04-22 | Composite film with barrier flame-retardant function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220948133.1U CN217395857U (en) | 2022-04-22 | 2022-04-22 | Composite film with barrier flame-retardant function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217395857U true CN217395857U (en) | 2022-09-09 |
Family
ID=83143197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220948133.1U Active CN217395857U (en) | 2022-04-22 | 2022-04-22 | Composite film with barrier flame-retardant function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217395857U (en) |
-
2022
- 2022-04-22 CN CN202220948133.1U patent/CN217395857U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2522505A2 (en) | Vacuum insulation panel and method for manufacturing same | |
| KR840004448A (en) | Stretched polymer film structure | |
| KR20150034319A (en) | Vacuum insulation panel and method of manufacturing the same | |
| CN101307857A (en) | Various material composite fire retardant -type high vacuum multiple layer heat insulation structure | |
| CN217395857U (en) | Composite film with barrier flame-retardant function | |
| WO2017221549A1 (en) | Organic electroluminescent light emitting body, illumination apparatus, and railway vehicle | |
| CN205447111U (en) | High -efficient heat -insulating shield | |
| CN209535945U (en) | A kind of novel package air column bag | |
| WO2016089101A1 (en) | Outer skin material for vacuum insulation and vacuum insulation comprising same | |
| CN214494092U (en) | Durable polyvinyl chloride medicinal hard sheet | |
| CN219862123U (en) | High-strength multi-flute corrugated board | |
| CN215850132U (en) | High-performance flame-retardant PE release film | |
| CN212199868U (en) | Composite flame-retardant multilayer paperboard | |
| CN215662322U (en) | Long service life's polypropylene film | |
| CN216942147U (en) | Plastic film for packaging | |
| CN215480699U (en) | PET protection film that anti scratch performance is good | |
| CN218577212U (en) | PVC composite sheet with blocking and conducting functions for packaging | |
| CN219258294U (en) | Corrugated case with high flame retardance | |
| CN214215049U (en) | Food packaging film with good tensile effect | |
| CN215751127U (en) | APET composite film with excellent heat-insulating property | |
| CN212979419U (en) | High-strength flame-retardant plywood | |
| CN212949527U (en) | Plastic film with multilayer heat insulation structure | |
| JP6098306B2 (en) | Vacuum insulation material | |
| CN213087284U (en) | Antistatic aluminum-plastic composite board | |
| CN212654030U (en) | Novel epoxy glass cloth laminated board for electromagnetic track |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |