CN209602446U - PBAT stripping film - Google Patents
PBAT stripping film Download PDFInfo
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- CN209602446U CN209602446U CN201822253547.9U CN201822253547U CN209602446U CN 209602446 U CN209602446 U CN 209602446U CN 201822253547 U CN201822253547 U CN 201822253547U CN 209602446 U CN209602446 U CN 209602446U
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- pbat
- stripping film
- silica aerogel
- barriers function
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Abstract
The utility model discloses a kind of PBAT stripping films comprising nanoscale silica aerogel layer, adhesive coating, PBAT substrate layer, corona layer, barriers function layer and the release layer being successively bonded according to sequence from top to bottom；Nanoscale silica aerogel layer has preferable scoring resistance and heat conductivity, improves high temperature resistance, while can be reduced the aggregation of film heat with rapid cooling, be provided simultaneously with certain electric conductivity；PBAT substrate layer is the degradation material of heat-resistance type, environmentally protective, and decomposition is pollution-free, and percent thermal shrinkage is small, and the substrate that can be used for stripping film uses；Barriers function layer has barriers function, can prevent falling off or shifting for silicon, further increase pyroconductivity and temperature tolerance；The adhesive force that PBAT substrate layer Yu nanoscale silica aerogel layer and barriers function layer can be enhanced by adhesive coating and corona layer, prevents from falling off, while improving the toughness and mechanical strength of stripping film, good combination property, guarantees product quality.
Description
Technical field
The utility model relates to stripping-film technique field, in particular to a kind of PBAT stripping film.
Background technique
Stripping film generally does plasma treatment in plastic film, or applies fluorine processing, or apply silicon (silicone) mould release in
On the surface layer of film material, such as PET, PE, OPP；Allow it for a variety of different organic pressure sensitive adhesives (such as hot melt adhesive, Ya Ke
The pressure sensitive adhesive of power glue and rubber series) extremely light and stable off-type force can be shown.But PET, PE etc. be non-degradable film, one
Secondary property consumption, exerts heavy pressures on to environment, and PET higher cost, ductility is poor with respect to degradation materials such as PBAT, temperature tolerance
Can be unstable, cause PET or pp stripping film easily-deformable or is heat-shrinked serious.The exploitation of degradation material at present, material lightweight
Exploitation, the exploitation of higher physical property alternative materials all becomes most popular research and development field.Therefore it develops a kind of degradable
Stripping film replaces traditional PET or PP stripping film, reduces the pollution of environment, while resistance to mild heat resistanceheat resistant contraction for improving removing etc. is comprehensive
Performance is closed, the pressure of environment plastic white pollution can be effectively relieved.
Polyadipate butylene terephthalate (PBAT) is tetramethylene adipate and mutual-phenenyl two acid bromide two alcohol ester
Copolymer has excellent biological degradability, and has both the characteristic of PBA and PBT, existing preferable ductility and extension at break
Rate also has preferable heat resistance and impact property.It can process and apply to stripping film protection industry.
Utility model content
In view of the above deficiencies, the utility model aim is to provide a kind of smart structural design, rationally, and heat resistance is good,
The fast PBAT stripping film of radiating rate.
To achieve the above object, provided technical solution is the utility model: a kind of PBAT stripping film comprising nanometer
Grade silica aerogel layer, adhesive coating, PBAT substrate layer, corona layer, barriers function layer and release layer, the nanoscale silica aerogel layer, viscose glue
Coating, PBAT substrate layer, corona layer, barriers function layer and release layer are successively bonded according to sequence from top to bottom.
As a kind of improvement of the utility model, the nanoscale silica aerogel layer with a thickness of 2~6 microns.
As a kind of improvement of the utility model, the barriers function layer includes epoxy resin layer and is embedded in the asphalt mixtures modified by epoxy resin
Graphene particles in rouge layer, the partial size of the graphene particles are 200~600 nanometers.
As a kind of improvement of the utility model, the adhesive coating is urethane resin layer or novolac resin layer.
As a kind of improvement of the utility model, the PBAT substrate layer with a thickness of 25~150 microns.
As a kind of improvement of the utility model, the corona layer with a thickness of 1~4 micron.
As a kind of improvement of the utility model, the release layer is silicone release film.The release layer with a thickness of 2
~6 microns.
The utility model has the following beneficial effects: the utility model smart structural design, rationally, nanoscale silica aerogel layer have compared with
Good scoring resistance and heat conductivity improves high temperature resistance, while can reduce the aggregation of film heat with rapid cooling,
It is provided simultaneously with certain electric conductivity, sheet resistance value is 105~108Ω；PBAT substrate layer is the degradation material of heat-resistance type,
Environmentally protective, decomposition is pollution-free, and percent thermal shrinkage is small, and the substrate that can be used for stripping film uses；Barriers function layer has barrier function
Can, falling off or shifting for silicon can be prevented, pyroconductivity and temperature tolerance are further increased；It can be enhanced by adhesive coating and corona layer
The adhesive force of PBAT substrate layer and nanoscale silica aerogel layer and barriers function layer prevents from falling off, at the same improve stripping film toughness and
Mechanical strength, good combination property 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 PBAT stripping film comprising nanoscale silica aerogel layer
1, adhesive coating 2, PBAT substrate layer 3, corona layer 4, barriers function layer 5 and release layer 6, the nanoscale silica aerogel layer 1, viscose glue apply
Layer 2, PBAT substrate layer 3, corona layer 4, barriers function layer 5 and release layer 6 are successively bonded according to sequence from top to bottom.
Preferably, the nanoscale silica aerogel layer 1 with a thickness of 2~6 microns.With scratch resistant and thermal conducting function, improve
The heat resistance that 15~25 degree of composite membrane, while the aggregation of film heat can be reduced, in addition, it has centainly with rapid cooling
Electric conductivity, sheet resistance value is 105-108Ω.In
The upper surface of the PBAT substrate layer 3 is coated with polyurethane resin or phenolic resin, then coats nanoscale carbon black again,
It is correspondingly formed adhesive coating 2 and nanoscale silica aerogel layer 1 after cured.Preferably, the adhesive coating 2 be urethane resin layer or
Novolac resin layer, adhesion effect is good, can prevent nanoscale silica aerogel layer 1 from falling off, while improving the toughness and mechanics of PBAT stripping film
Intensity.
Specifically, the barriers function layer 5 includes epoxy resin layer and the graphene being embedded in the epoxy resin layer
Grain, the partial size of the graphene particles are 200~600 nanometers.With barrier property, falling off or shifting for silicon is prevented, is further mentioned
The pyroconductivity and temperature tolerance of high composite membrane.Viscosity preferably 10~20gf/mm of barriers function layer 5, adhesion effect are good.Other realities
It applies in example, the barriers function layer 5 or common isolated film.
The PBAT substrate layer 3 with a thickness of 25~150 microns, preferably 50 microns or 70 microns, light transmittance be 90~
92%, mist degree is 2~5%, is resistant to 120~140 degree of high temperature.
Sided corona treatment is carried out in the lower surface of PBAT substrate layer 3, is struck by high-frequency electric spark, in PBAT substrate layer
Intensive aperture is formed on 3 lower surface, hole diameter is 0.05~0.08 micron, becomes rough surface from smooth flat, is formed
The corona layer 4, the corona layer 4 with a thickness of 1~4 micron.
The release layer 6 is the silicone release film with a thickness of 2~6 microns, off-type force preferably 1~200gf/25mm.
In use, the nanoscale silica aerogel layer 1 has preferable scoring resistance and heat conductivity, heat-resisting quantity is improved
Can, while can reduce the aggregation of film heat with rapid cooling, be provided simultaneously with certain electric conductivity；PBAT substrate layer 3 is resistance to
The degradation material of warm type, environmentally protective, decomposition is pollution-free, and percent thermal shrinkage is small；Barriers function layer 5 has barriers function, can prevent
Only silicon falls off or shifts, and further increases pyroconductivity and temperature tolerance, heat resistance is good, and radiating rate is fast, guarantees product matter
Amount.
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 (8)
1. a kind of PBAT stripping film, which is characterized in that it includes nanoscale silica aerogel layer, adhesive coating, PBAT substrate layer, corona
Layer, barriers function layer and release layer, the nanoscale silica aerogel layer, adhesive coating, PBAT substrate layer, corona layer, barriers function layer
It is successively bonded with release layer according to sequence from top to bottom.
2. PBAT stripping film according to claim 1, which is characterized in that the nanoscale silica aerogel layer it is micro- with a thickness of 2~6
Rice.
3. PBAT stripping film according to claim 1, which is characterized in that the barriers function layer include epoxy resin layer and
The graphene particles being embedded in the epoxy resin layer, the partial size of the graphene particles are 200~600 nanometers.
4. PBAT stripping film according to claim 1, which is characterized in that the adhesive coating is urethane resin layer or phenol
Urea formaldehyde layer.
5. PBAT stripping film according to claim 1, which is characterized in that the PBAT substrate layer with a thickness of 25~150
Micron.
6. PBAT stripping film according to claim 1, which is characterized in that the corona layer with a thickness of 1~4 micron.
7. PBAT stripping film according to claim 1, which is characterized in that the release layer is silicone release film.
8. PBAT stripping film according to claim 1 or claim 7, which is characterized in that the release layer with a thickness of 2~6 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822253547.9U CN209602446U (en) | 2018-12-29 | 2018-12-29 | PBAT stripping film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822253547.9U CN209602446U (en) | 2018-12-29 | 2018-12-29 | PBAT stripping film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209602446U true CN209602446U (en) | 2019-11-08 |
Family
ID=68397805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822253547.9U Active CN209602446U (en) | 2018-12-29 | 2018-12-29 | PBAT stripping film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209602446U (en) |
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2018
- 2018-12-29 CN CN201822253547.9U patent/CN209602446U/en active Active
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Legal Events
| 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 |