CN206926343U - A kind of diaphragm - Google Patents
A kind of diaphragm Download PDFInfo
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- CN206926343U CN206926343U CN201720536502.5U CN201720536502U CN206926343U CN 206926343 U CN206926343 U CN 206926343U CN 201720536502 U CN201720536502 U CN 201720536502U CN 206926343 U CN206926343 U CN 206926343U
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Abstract
The utility model provides a kind of diaphragm, including：First flame-retardant layer；It is arranged at the first low density polyethylene layer of the described first fire-retardant layer surface；It is arranged at the antistatic layer on the first low density polyethylene layer surface；It is arranged at second low density polyethylene layer on the antistatic layer surface；It is arranged at second flame-retardant layer on the second low density polyethylene layer surface.The diaphragm of the application can make diaphragm surface be respectively formed antistatic film with inside by being provided with antistatic layer, effectively reduce or eliminate the generation and accumulation of electrostatic during diaphragm production and use；Simultaneously because the first flame-retardant layer and the second flame-retardant layer that set impart the flame-retarding characteristic of diaphragm.Therefore, the utility model uses above-mentioned set-up mode, makes diaphragm while has antistatic behaviour and anti-flammability.
Description
Technical field
It the utility model is related to field of packaging material, more particularly to a kind of diaphragm.
Background technology
With developing rapidly for IT industries, integrated circuit, component and its product largely use cheap and good-quality protective film
Class is as packaging material.If using the protective film packaging for easily producing electrostatic, film can produce because of electromagnetic induction and friction
Accumulation of static electricity, to various sensitive electronic elements, instrument and meter etc. because caused by electrion, make packaging commodity by broken
It is bad, cause great economic loss.Flame is not only sent meanwhile PE films have a flammable properties, during burning, but also is given out
Toxic gas and flue dust.
The diaphragm typically used in the prior art is is sequentially overlapped the different low density polyethylene (LDPE) of the threeply degree of setting
Layer, said protection film can not be eliminated in packaging process due to electrostatic caused by factor such as frictions, influence efficiency and the production of packaging
Product, the safety of equipment；Meanwhile the diaphragm does not have flame retardant effect.Therefore, the diaphragm in IT industries should have anti-quiet simultaneously
Electricity and flame retardant effect.
Utility model content
The technical problem that the utility model solves be to provide it is a kind of have it is antistatic with the diaphragm of flame retardant effect.
In view of this, this application provides a kind of diaphragm, including：
First flame-retardant layer；
It is arranged at the first low density polyethylene layer of the described first fire-retardant layer surface；
It is arranged at the antistatic layer on the first low density polyethylene layer surface；
It is arranged at second low density polyethylene layer on the antistatic layer surface；
It is arranged at second flame-retardant layer on the second low density polyethylene layer surface.
Preferably, first flame-retardant layer is the first low density polyethylene (LDPE)-flame retardant layer；The antistatic layer is low-density
Polyethylene-antistatic oxidant layer；Second flame-retardant layer is the second low density polyethylene (LDPE)-flame retardant layer.
Preferably, first flame-retardant layer is the first 85wt% low density polyethylene (LDPE) -15wt% flame retardant layers, described anti-quiet
Electric layer is the antistatic oxidant layer of 97wt% low density polyethylene (LDPE)s -3wt%, and second flame-retardant layer is the 2nd 85wt% low density polyethylenes
Alkene -15wt% flame retardant layers.
Preferably, the thickness of first flame-retardant layer is the 15%~25% of the diaphragm gross thickness, described antistatic
The thickness of layer is the 25%~35% of the diaphragm gross thickness, and second flame-retardant layer is the 15% of the diaphragm gross thickness
~25%.
Preferably, the thickness of first low density polyethylene layer is the 10%~20% of the diaphragm gross thickness, institute
The thickness for stating the second low density polyethylene layer is the 10%~20% of the diaphragm gross thickness.
Preferably, the thickness of first flame-retardant layer is the 20% of the diaphragm gross thickness, the thickness of the antistatic layer
Spend for the 30% of the diaphragm gross thickness, second flame-retardant layer is the 20% of the diaphragm gross thickness.
Preferably, the thickness of first low density polyethylene layer is the 15% of the diaphragm gross thickness, described second
The thickness of low density polyethylene layer is the 15% of the diaphragm gross thickness.
The utility model provides a kind of diaphragm, and it includes：First flame-retardant layer；It is arranged at the described first fire-retardant layer surface
The first low density polyethylene layer；It is arranged at the antistatic layer on the first low density polyethylene layer surface；It is arranged at described anti-
Second low density polyethylene layer of electrostatic layer surface；It is arranged at second flame-retardant layer on the second low density polyethylene layer surface.
The utility model in outer layer by setting flame-retardant layer diaphragm is had flame retardant effect, while the antistatic layer set in intermediate layer
Can inside diaphragm and surface form uniform antistatic film, effectively reduce or eliminate diaphragm production and use during it is quiet
The generation and accumulation of electricity.Therefore, the diaphragm that the application provides has antistatic and flame retardant effect.
Brief description of the drawings
Fig. 1 is the structural representation of diaphragm provided by the utility model.
Embodiment
For a further understanding of the utility model, the utility model preferred embodiment is retouched with reference to embodiment
State, but it is to be understood that these descriptions are simply further explanation feature and advantage of the present utility model, rather than to this practicality
The limitation of new claim.
In view of diaphragm of the prior art antistatic effect and the problem of poor flame retardant properties in use, this practicality
New embodiment discloses a kind of diaphragm, and it has antistatic effect and flame retardant effect, specifically, the diaphragm includes：
First flame-retardant layer；
It is arranged at the first low density polyethylene layer of the first flame-retardant layer layer surface；
It is arranged at the antistatic layer on the first low density polyethylene layer surface；
It is arranged at second low density polyethylene layer on the antistatic layer surface；
It is arranged at second flame-retardant layer on the second low density polyethylene layer surface.
As shown in figure 1, Fig. 1 is the structural representation of diaphragm provided by the utility model, wherein, 1 is the first flame-retardant layer,
2 be the first low density polyethylene layer, and 3 be antistatic layer, and 4 be the second low density polyethylene layer, and 5 be the second flame-retardant layer.
Diaphragm of the present utility model includes five film structures, and it is flame-retardant layer that outer layer, which is all provided with value, can make diaphragm have compared with
Good flame retardant effect, intermediate layer are arranged to antistatic layer, this layer can make the inside of diaphragm and surface formed it is uniform antistatic
Film, finally make diaphragm while there is antistatic behaviour and anti-flammability.
First flame-retardant layer can also be used as innermost layer as the outermost layer of diaphragm, to this application without spy
Other limitation.The first flame-retardant layer in the utility model has flame retardant effect, and this application is formed to material therein
Without strict restriction.In order that herein described diaphragm can be applied to IT industries, first flame-retardant layer is specially
One low density polyethylene (LDPE)-flame retardant layer, i.e., the raw material of described first flame-retardant layer are made up of the first low density polyethylene (LDPE) with fire retardant,
It is prepared by above two raw material；More specifically, first flame-retardant layer is the first 85wt% low density polyethylene (LDPE)s -15wt%
Flame retardant layer, the raw material of first flame-retardant layer include 85wt% low density polyethylene (LDPE) and 15wt% fire retardant.It is above-mentioned fire-retardant
Agent is fire retardant well known to those skilled in the art, and this application is had no particular limits.
Be arranged at the described first fire-retardant layer surface is the first low density polyethylene for the first low density polyethylene layer, its raw material
Alkene layer, the application are provided with low density polyethylene layer among the first flame-retardant layer and antistatic layer by being arranged on, make the protection
Film is in use, this layer of low density polyethylene layer can be such that the antistatic additive in antistatic layer migrates to diaphragm as transition zone
Surface, diaphragm surface and inside is respectively provided with antistatic behaviour.Raw material in first low density polyethylene layer is low close
Polyethylene is spent, the application has no particular limits to it, is low density polyethylene (LDPE) well known to those skilled in the art.
Intermediate layer of the antistatic layer as diaphragm in the utility model, can make the antistatic factor in antistatic layer by
Plastics inner forms uniform antistatic layer on surface to surface migration, effectively reduces the resistivity on diaphragm surface, reduces
Or eliminate the generation and accumulation of electrostatic during diaphragm production and use.Raw material the application in the antistatic layer is without spy
Other limitation, as long as can have antistatic behaviour.In order to improve the usability of diaphragm, specifically, the antistatic layer
For low density polyethylene (LDPE)-antistatic oxidant layer, the raw material of the low density polyethylene (LDPE)-antistatic oxidant layer include low density polyethylene (LDPE) with
Antistatic additive, it is prepared by low density polyethylene (LDPE) and antistatic additive；More specifically, the antistatic layer is that 97wt% is low close
The antistatic oxidant layer of polyethylene -3wt% is spent, the antistatic layer is by 97wt% low density polyethylene (LDPE) and 3wt% antistatic additive
It is prepared.Above-mentioned antistatic additive is well known to those skilled in the art, and this application is had no particular limits.
The application is respectively symmetrically provided with the second low density polyethylene layer and the second flame-retardant layer in the opposite side of antistatic layer,
Second low density polyethylene layer is identical with above-mentioned first low density polyethylene layer, herein without repeating；Second resistance
It is identical with above-mentioned first flame-retardant layer to fire layer, herein without repeating.
In order to improve the usability of diaphragm, the utility model further defines first flame-retardant layer, described first
Low density polyethylene layer, antistatic layer, the thickness of the second low density polyethylene layer and the second flame-retardant layer, specifically, described first
The thickness of flame-retardant layer is the 15%~25% of the diaphragm gross thickness, and the thickness of the antistatic layer is the diaphragm total thickness
The 25%~35% of degree, second flame-retardant layer are the 15%~25% of the diaphragm gross thickness, and first low-density is gathered
The thickness of pvdf layer is the 10%~20% of the diaphragm gross thickness, and the thickness of second low density polyethylene layer is described
The 10%~20% of diaphragm gross thickness；In a particular embodiment, the thickness of first flame-retardant layer is the diaphragm total thickness
The 20% of degree, the thickness of the antistatic layer are the 30% of the diaphragm gross thickness, and second flame-retardant layer is the protection
The 20% of film gross thickness, the thickness of first low density polyethylene layer are the 15% of the diaphragm gross thickness, described second
The thickness of low density polyethylene layer is the 15% of the diaphragm gross thickness.
The preparation method of herein described diaphragm is according to multi-layer co-extruded mode system well known to those skilled in the art
It is standby, specifically, the production procedure of the diaphragm is：Conveying-melt extrusion of raw material-cooling blow molding-traction-survey
Wide, thickness measuring-correction-sided corona treatment-trimming-winding.
The utility model provides a kind of diaphragm, and it includes：It is sequentially overlapped the first flame-retardant layer, the first low-density of setting
Polyethylene layer, antistatic layer, the second low density polyethylene layer and the second flame-retardant layer.Said protection film is antistatic by being provided with
Layer, diaphragm surface and inside can be made to be respectively formed antistatic film, during effectively reducing or eliminating diaphragm production and use
The generation and accumulation of electrostatic；Simultaneously because the first flame-retardant layer and the second flame-retardant layer that set impart the flame-retarding characteristic of diaphragm.
Therefore, the utility model uses above-mentioned set-up mode, makes diaphragm while has antistatic behaviour and anti-flammability.
For a further understanding of the utility model, diaphragm provided by the utility model is carried out with reference to embodiment detailed
Describe in detail bright, the scope of protection of the utility model is not limited by the following examples.
Embodiment 1
A kind of diaphragm, including be sequentially overlapped the first flame-retardant layer of setting, the first low density polyethylene layer, antistatic layer,
Second low density polyethylene layer and the second flame-retardant layer；First flame-retardant layer is that 85wt% low density polyethylene (LDPE)s -15wt% is fire-retardant
Oxidant layer, the antistatic layer are the antistatic oxidant layer of 97wt% low density polyethylene (LDPE)s -3wt%, and second flame-retardant layer is 85wt%
Low density polyethylene (LDPE) -15wt% flame retardant layers；The thickness of first flame-retardant layer is the 15% of the diaphragm gross thickness, described
The thickness of first low density polyethylene layer is the 20% of the diaphragm gross thickness, and the thickness of the antistatic layer is the protection
The 30% of film gross thickness, the thickness of second low density polyethylene layer are the 20% of the diaphragm gross thickness, described second
The thickness of flame-retardant layer is the 15% of the diaphragm gross thickness.
Embodiment 2
The diaphragm that the present embodiment provides is same as Example 1, and difference is：The thickness of first flame-retardant layer is described
The 20% of diaphragm gross thickness, the thickness of first low density polyethylene layer is the 15% of the diaphragm gross thickness, described
The thickness of antistatic layer is the 30% of the diaphragm gross thickness, and the thickness of second low density polyethylene layer is the protection
The 15% of film gross thickness, the thickness of second flame-retardant layer are the 20% of the diaphragm gross thickness.
Embodiment 3
The diaphragm that the present embodiment provides is same as Example 1, and difference is：The thickness of first flame-retardant layer is described
The 20% of diaphragm gross thickness, the thickness of first low density polyethylene layer is the 16% of the diaphragm gross thickness, described
The thickness of antistatic layer is the 28% of the diaphragm gross thickness, and the thickness of second low density polyethylene layer is the protection
The 16% of film gross thickness, the thickness of second flame-retardant layer are the 20% of the diaphragm gross thickness.
The explanation of above example is only intended to help and understands method and its core concept of the present utility model.It should refer to
Go out, for those skilled in the art, can also be to this on the premise of the utility model principle is not departed from
Utility model carries out some improvement and modification, and these are improved and modification also falls into the protection domain of the utility model claims
It is interior.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (6)
1. a kind of diaphragm, including：
First flame-retardant layer；
It is arranged at the first low density polyethylene layer of the described first fire-retardant layer surface；
It is arranged at the antistatic layer on the first low density polyethylene layer surface；
It is arranged at second low density polyethylene layer on the antistatic layer surface；
It is arranged at second flame-retardant layer on the second low density polyethylene layer surface.
2. diaphragm according to claim 1, it is characterised in that first flame-retardant layer be the first low density polyethylene (LDPE)-
Flame retardant layer；The antistatic layer is low density polyethylene (LDPE)-antistatic oxidant layer；Second flame-retardant layer is the second low density polyethylene
Alkene-flame retardant layer.
3. diaphragm according to claim 1, it is characterised in that the thickness of first flame-retardant layer is that the diaphragm is total
The 15%~25% of thickness, the thickness of the antistatic layer are the 25%~35% of the diaphragm gross thickness, second resistance
Fire 15%~25% that layer is the diaphragm gross thickness.
4. diaphragm according to claim 1, it is characterised in that the thickness of first low density polyethylene layer is described
The 10%~20% of diaphragm gross thickness, the thickness of second low density polyethylene layer are the 10% of the diaphragm gross thickness
~20%.
5. diaphragm according to claim 1, it is characterised in that the thickness of first flame-retardant layer is that the diaphragm is total
The 20% of thickness, the thickness of the antistatic layer are the 30% of the diaphragm gross thickness, and second flame-retardant layer is the guarantor
The 20% of cuticula gross thickness.
6. diaphragm according to claim 1, it is characterised in that the thickness of first low density polyethylene layer is described
The 15% of diaphragm gross thickness, the thickness of second low density polyethylene layer are the 15% of the diaphragm gross thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720536502.5U CN206926343U (en) | 2017-05-15 | 2017-05-15 | A kind of diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720536502.5U CN206926343U (en) | 2017-05-15 | 2017-05-15 | A kind of diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206926343U true CN206926343U (en) | 2018-01-26 |
Family
ID=61352446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720536502.5U Active CN206926343U (en) | 2017-05-15 | 2017-05-15 | A kind of diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206926343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115023073A (en) * | 2022-05-18 | 2022-09-06 | 华为技术有限公司 | Touch screen cover plate and manufacturing method thereof, display screen and electronic equipment |
-
2017
- 2017-05-15 CN CN201720536502.5U patent/CN206926343U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115023073A (en) * | 2022-05-18 | 2022-09-06 | 华为技术有限公司 | Touch screen cover plate and manufacturing method thereof, display screen and electronic equipment |
| CN115023073B (en) * | 2022-05-18 | 2023-09-08 | 华为技术有限公司 | Touch screen cover plate, manufacturing method thereof, display screen and electronic equipment |
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201508 No. 611, Shantong Road, Shanyang Town, Jinshan District, Shanghai Patentee after: Shanghai Tangke New Material Technology Co., Ltd Address before: 201508 No. 611, Shantong Road, Shanyang Town, Jinshan District, Shanghai Patentee before: Shanghai Tangke new packaging material Co., Ltd |