CN209409528U - Heat-conducting silica gel sheet release film - Google Patents
Heat-conducting silica gel sheet release film Download PDFInfo
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- CN209409528U CN209409528U CN201822257874.1U CN201822257874U CN209409528U CN 209409528 U CN209409528 U CN 209409528U CN 201822257874 U CN201822257874 U CN 201822257874U CN 209409528 U CN209409528 U CN 209409528U
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Abstract
The utility model discloses a kind of heat-conducting silica gel sheet release films comprising dust-proof scratch resistant layer, upper high-temperature-resistant layer, upper adhesive layer, substrate layer, lower adhesive layer, lower high-temperature-resistant layer and the sticking adhesive layer being successively bonded according to sequence from top to bottom；Dust-proof scratch resistant layer is the PE film or PVC film that surface has certain viscosity, can preferably protect and be attached on high-temperature-resistant layer, and protecting effect is good, and dust and foreign object is avoided to scratch；Upper and lower high-temperature-resistant layer is boron nitride coating or silicon nitride coating, is capable of the temperature tolerance of enhancing base materials layer, at high temperature, prevents the significantly contraction of substrate layer, improve the fitting rate of laminate, prevent the generation in gap, film surface will not deform, while resistant to chemical etching；The surface of sticking adhesive layer is smooth, smooth, can play the role of protecting heat-conducting silica gel sheet, and prevents heat-conducting silica gel sheet tacky surfaces from peeling or drawing glue.It is additionally provided with adhesive layer, can more promote the Percentage bound of film, material layer is avoided to fall off separation, guarantees product quality.
Description
Technical field
The utility model relates to release technical field of membrane, in particular to a kind of heat-conducting silica gel sheet release film.
Background technique
Release film, also known as stripping film, isolation film, seperation film, adhesive block film, fractal film, film, plastic film, masking hole film, silicon
Oil film, silicone oil paper, antiadhesion barrier, type paper, skidding film, that paper of day, release paper, silliconfilm, release film,
release。
Under normal conditions in order to increase the off-type force of plastic film, plastic film can be done to plasma treatment, or apply at fluorine
Reason, or silicon (silicone) mould release is applied on the surface layer of film material, such as PET, PE, OPP, etc.;Allow it for it is various not
With organic pressure sensitive adhesive (such as pressure sensitive adhesive of hot melt adhesive, acrylic glue and rubber series) can show it is extremely light and stable release
Power.The viscosity of the release film off-type force according to needed for difference, isolated product glue is different, and the corresponding adjustment of off-type force is allowed to removing
When reach extremely light and stable off-type force.
Heat-conducting silica gel sheet is organic silica gel material, the heat dissipation of the material of other compound metal oxides and insulating properties, absolutely
Edge and shockproof media sheet.In electronic equipment processing industry, also known as thermal conductive silicon rubber mat, thermally conductive silica gel piece are soft thermally conductive
Pad, heat conductive silica gel gasket etc., be exclusively for using gap transmitting heat design scheme produce, can blind, complete
The heat of heating position and radiating part interdigit is transmitted, while the effects of also act as insulation, damping, sealing, it is small-sized to can satisfy equipment
Change and the design requirement of ultrathin, is great craftsmanship and usability, and thickness is applied widely, it is a kind of splendid thermally conductive to fill out
Fill material.
Regardless of being the process in heat conductive silica gel production preparation, or the preparation of other silicon systems column cross cuttings or gluing product
Protection process requires to use the release film with isolation effect, and in industry traditional silicon systems column release film is for thermally conductive
On silica gel piece, because fitting release film is intolerant to temperature, it may appear that local wrinkle, or be fitted with bubble and generate and can not tear open, be die cut and stick up
Phenomena such as side.
, can be in heat-conducting silica gel sheet production process in order to guarantee the release film for silica gel series of products, high temperature resistant is constant
Shape has the function that protective separation, needs to research and develop a kind of release film that thermal stability is good.For the demand now of industry,
With the development of the industries such as graphene, heat conductive silica gel, polaroid, the heat resistance of release film is improved, avoids material wrinkle and patch
The phenomenon that dead glue.
Utility model content
In view of the above deficiencies, the utility model aim is to provide a kind of smart structural design, rationally, and thermal stability is good
Heat-conducting silica gel sheet release film.
To achieve the above object, provided technical solution is the utility model: a kind of heat-conducting silica gel sheet release film,
It is described anti-including dust-proof scratch resistant layer, upper high-temperature-resistant layer, upper adhesive layer, substrate layer, lower adhesive layer, lower high-temperature-resistant layer and sticking adhesive layer
Dirt scratch resistant layer, upper high-temperature-resistant layer, upper adhesive layer, substrate layer, lower adhesive layer, lower high-temperature-resistant layer and sticking adhesive layer are according to from top to bottom
Sequence is successively bonded.
As a kind of improvement of the utility model, the dust-proof scratch resistant layer is PE film or PVC film.The dust-proof scratch resistant layer
With a thickness of 15~50 microns.
As a kind of improvement of the utility model, the upper high-temperature-resistant layer is the boron nitride coating with a thickness of 4~20 microns
Or silicon nitride coating.
As a kind of improvement of the utility model, the upper adhesive layer and lower adhesive layer are corona processing layer.
As a kind of improvement of the utility model, the substrate layer is one in PET film, PLA film, PBT film or PBAT film
Kind.The substrate layer with a thickness of 50~150 microns.Substrate layer is preferably PLA film or PBAT film, because of PLA film or PBAT film
It is environmentally protective for degradable material, it secondary can use, increase operation rate, save the cost.
As a kind of improvement of the utility model, the lower high-temperature-resistant layer is the boron nitride coating with a thickness of 4~20 microns
Or silicon nitride coating.
As a kind of improvement of the utility model, the sticking adhesive layer is heat cure silicon layer or UV cured silicone layer.Institute
State sticking adhesive layer with a thickness of 2~6 microns.
The utility model has the following beneficial effects: the utility model smart structural design, rationally, dust-proof scratch resistant layer be surface have
There are the PE film or PVC film of certain viscosity, can preferably protect and be attached on high-temperature-resistant layer, protecting effect is good, avoids ash
Dirt and foreign object scratch；Upper and lower high-temperature-resistant layer is boron nitride coating or silicon nitride coating, is capable of the temperature tolerance of enhancing base materials layer,
Under high temperature, the significantly contraction of substrate layer is prevented, improves the fitting rate of laminate, prevents the generation in gap, film surface will not become
Shape, at the same it is resistant to chemical etching；The surface of sticking adhesive layer is smooth, smooth, can play the role of protecting heat-conducting silica gel sheet, and prevent from leading
Glue is drawn in hot silica gel piece tacky surfaces decortication.It is additionally provided with adhesive layer, can more promote the Percentage bound of film, prevents the life in gap
It produces, material layer is avoided to fall off separation, promote the laminating effect of each film layer, guarantee product quality.
Detailed description of the invention
Fig. 1 is the cross section structure schematic diagram of the utility model.
Specific embodiment
Embodiment: referring to Fig. 1, the utility model embodiment provides a kind of heat-conducting silica gel sheet release film comprising dust-proof
Scratch resistant layer 1, upper high-temperature-resistant layer 2, upper adhesive layer 3, substrate layer 4, lower adhesive layer 5, lower high-temperature-resistant layer 6 and sticking adhesive layer 7.It is described dust-proof
Scratch resistant layer 1, upper high-temperature-resistant layer 2, upper adhesive layer 3, substrate layer 4, lower adhesive layer 5, lower high-temperature-resistant layer 6 and sticking adhesive layer 7 are according to from upper
Sequence under is successively bonded.
Preferably, the dust-proof scratch resistant layer 1 with a thickness of 15~50 microns, preferably 15 microns and 20 microns.It is described anti-
Dirt scratch resistant layer 1 is preferably PE film or PVC film.The surface of PE film or PVC film has certain viscosity, preferably can protect and adhere to
On upper high-temperature-resistant layer 2, the scratch of dust and foreign object is prevented.
The upper high-temperature-resistant layer 2 and lower high-temperature-resistant layer 6 with a thickness of 4~20 microns, preferably 6 microns and 10 microns.Institute
It states high-temperature-resistant layer 2 and lower high-temperature-resistant layer 6 is preferably boron nitride coating or silicon nitride coating.The boron nitride coating or nitrogen
SiClx coating is capable of the temperature tolerance of enhancing base materials layer 4, at high temperature, prevents the significantly contraction of substrate layer 4, improves laminate
Fitting rate, prevent the generation in gap, film surface will not deform, while resistant to chemical etching.
The upper adhesive layer 3 and lower adhesive layer 5 are corona processing layer.Particularly, it is carried out on the two sides of substrate layer 4
Sided corona treatment is struck by high-frequency electric spark, forms intensive aperture in the upper and lower surface of substrate layer 4, hole diameter is
0.05~0.08 micron, rough surface is become from smooth flat, forms the corona processing layer, corona processing layer with a thickness of 2
~4 microns.It effectively increases adherence, effectively prevent high-temperature-resistant layer 2 and lower high-temperature-resistant layer 6 to fall off, improve the knot of composite material
Structure stability.
The substrate layer 4 is one of PET film, PLA film, PBT film or PBAT film.The substrate layer 4 with a thickness of 50
~150 microns, preferably 60 microns and 80 microns.Substrate layer 4 is preferably PLA film or PBAT film, because PLA film or PBAT film are
Degradable material, it is environmentally protective, it secondary can use, increase operation rate, save the cost.
The sticking adhesive layer 7 is preferably heat cure silicon layer or UV cured silicone layer.The sticking adhesive layer 7 with a thickness of 2~6
Micron.Sticking adhesive layer 7 plays the role of protecting heat-conducting silica gel sheet, and prevents heat-conducting silica gel sheet tacky surfaces from peeling or drawing glue.
Before use, can preferably be protected since the utility model is equipped with the dust-proof scratch resistant layer 1 that surface has certain viscosity
Be attached on upper high-temperature-resistant layer 2, protecting effect is good, and dust and foreign object is avoided to scratch；
In use, being sticked to heat conductive silica gel on piece by the patch of sticking adhesive layer 7, plays the role of protecting heat-conducting silica gel sheet, prevent from leading
Glue is drawn in hot silica gel piece tacky surfaces decortication.When causing, substrate layer 4 is protected in the cooperation of upper high-temperature-resistant layer 2 and lower high-temperature-resistant layer 6
Under shield, it is capable of the temperature tolerance of enhancing base materials layer 4, at high temperature, the significantly contraction of substrate layer 4 can be prevented, and then improve laminated
The fitting rate of material prevents the generation in gap, and film surface will not deform, while resistant to chemical etching, and stable product quality is good.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right
Some modifications and changes of the utility model should also be as falling into the protection scope of the claims of the present utility model.In addition, to the greatest extent
It is used some specific terms in pipe this specification, these terms are merely for convenience of description, not to the utility model
Any restrictions are constituted, using same or similar other membrane bodies, in scope of protection of the utility model.
Claims (9)
1. a kind of heat-conducting silica gel sheet release film, which is characterized in that it include dust-proof scratch resistant layer, upper high-temperature-resistant layer, upper adhesive layer,
Substrate layer, lower adhesive layer, lower high-temperature-resistant layer and sticking adhesive layer, the dust-proof scratch resistant layer, upper high-temperature-resistant layer, upper adhesive layer, substrate layer,
Lower adhesive layer, lower high-temperature-resistant layer and sticking adhesive layer are successively bonded according to sequence from top to bottom；The dust-proof scratch resistant layer be PE film or
PVC film；The upper high-temperature-resistant layer and lower high-temperature-resistant layer are boron nitride coating or silicon nitride coating.
2. heat-conducting silica gel sheet release film according to claim 1, which is characterized in that the dust-proof scratch resistant layer with a thickness of
15~50 microns.
3. heat-conducting silica gel sheet release film according to claim 1 or 2, which is characterized in that the thickness of the upper high-temperature-resistant layer
Degree is 4~20 microns.
4. heat-conducting silica gel sheet release film according to claim 1, which is characterized in that the upper adhesive layer and lower adhesive layer
It is corona processing layer.
5. heat-conducting silica gel sheet release film according to claim 1, which is characterized in that the substrate layer is PET film, PLA
One of film, PBT film or PBAT film.
6. heat-conducting silica gel sheet release film according to claim 1 or 5, which is characterized in that the substrate layer with a thickness of
50~150 microns.
7. heat-conducting silica gel sheet release film according to claim 1, which is characterized in that the lower high-temperature-resistant layer with a thickness of
4~20 microns.
8. heat-conducting silica gel sheet release film according to claim 1, which is characterized in that the sticking adhesive layer is heat cure silicone oil
Layer or UV cured silicone layer.
9. heat-conducting silica gel sheet release film according to claim 1 or 8, which is characterized in that the sticking adhesive layer with a thickness of 2
~6 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822257874.1U CN209409528U (en) | 2018-12-29 | 2018-12-29 | Heat-conducting silica gel sheet release film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822257874.1U CN209409528U (en) | 2018-12-29 | 2018-12-29 | Heat-conducting silica gel sheet release film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209409528U true CN209409528U (en) | 2019-09-20 |
Family
ID=67941835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822257874.1U Active CN209409528U (en) | 2018-12-29 | 2018-12-29 | Heat-conducting silica gel sheet release film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209409528U (en) |
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2018
- 2018-12-29 CN CN201822257874.1U patent/CN209409528U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 101, building 1, No. 1, Nanba street, Heshi Road, Qiaotou town, Dongguan City, Guangdong Province Patentee after: DONGGUAN DINGLI FILM TECHNOLOGY Co.,Ltd. Address before: 523000, Dongguan, Guangdong Province, Qiaotou town, Wo Wo Village, Second Industrial Road, No. 47, first floor Patentee before: DONGGUAN DINGLI FILM TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |