CN220095825U - Composite fluorine release film - Google Patents
Composite fluorine release film Download PDFInfo
- Publication number
- CN220095825U CN220095825U CN202321329116.0U CN202321329116U CN220095825U CN 220095825 U CN220095825 U CN 220095825U CN 202321329116 U CN202321329116 U CN 202321329116U CN 220095825 U CN220095825 U CN 220095825U
- Authority
- CN
- China
- Prior art keywords
- layer
- crystal particles
- polyethylene terephthalate
- release film
- fluorine release
- 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.)
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 14
- 239000011737 fluorine Substances 0.000 title claims abstract description 14
- -1 polyethylene terephthalate Polymers 0.000 claims abstract description 36
- 239000002245 particle Substances 0.000 claims abstract description 35
- 239000013078 crystal Substances 0.000 claims abstract description 32
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 29
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 29
- 239000000945 filler Substances 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 56
- 230000009970 fire resistant effect Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000005026 oriented polypropylene Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model discloses a composite fluorine release film, which comprises a base layer, wherein the upper surface and the lower surface of the base layer are respectively provided with a first polyethylene terephthalate layer and a second polyethylene terephthalate layer, and a heat insulation layer is arranged between the first polyethylene terephthalate layer and the base layer; the heat insulation layer comprises a functional part and a filler, wherein the functional part comprises a plurality of crystal particles which are arranged in a whole row, the crystal particles are in a polygonal pyramid shape with a small upper part and a large lower part, the lower ends of the crystal particles are connected with the base layer, the lower ends of the crystal particles are connected with the first polyethylene terephthalate layer, the top ends and the side walls of the crystal particles are arc-shaped, and the filler is positioned between the crystal particles and the first polyethylene terephthalate layer. The release film disclosed by the utility model can keep good performance at a higher use temperature.
Description
Technical Field
The utility model belongs to the technical field of glue brushing equipment, and particularly relates to a composite fluorine release film.
Background
The release film is a film with separability on the surface, the release film has no viscosity or slight viscosity after being contacted with a specific material under a limited condition, and the release film is a plastic film which is prepared by coating a silicone release agent on the surface layers of an environment-friendly PE (polyethylene) isolation film and an OPP (oriented polypropylene) release film, and can show extremely light and stable release force for various different organic pressure sensitive adhesives, namely the isolation film and the release film.
Along with the increasing demand of electronic products, the application range of silicone pressure-sensitive adhesives such as high-temperature adhesive tapes, golden fingers, PI adhesives and the like is continuously increased, if the release film has poor high-temperature resistance, the release film is easy to age in a high-temperature environment, has short service life and poor compression and static resistance effects, and is easy to generate static electricity to cause fire when in use, so that a user has better requirements on the high-temperature resistance of the release film.
Therefore, how to provide a composite fluorine release film to improve the high temperature resistance of the release film is a technical problem which needs to be solved by those skilled in the art.
Disclosure of Invention
The utility model mainly solves the technical problem of providing a composite fluorine release film.
In order to solve the technical problems, the utility model adopts a technical scheme that: the heat insulation layer is arranged between the first polyethylene terephthalate layer and the base layer;
the heat insulation layer comprises a functional part and a filler, wherein the functional part comprises a plurality of crystal particles which are arranged in a whole row, the crystal particles are in a polygonal pyramid shape with a small upper part and a large lower part, the lower ends of the crystal particles are connected with the base layer, the lower ends of the crystal particles are connected with the first polyethylene terephthalate layer, the top ends and the side walls of the crystal particles are arc-shaped, and the filler is positioned between the crystal particles and the first polyethylene terephthalate layer.
Further, the top of the crystal particle is provided with a concave part, and two ends of the concave part are abutted against the lower surface of the first polyethylene terephthalate layer.
Further, the crystal particles are arranged in a matrix.
Further, a fire-resistant layer is arranged on the upper surface of the first polyethylene terephthalate layer, and an anti-corrosion layer is adhered above the fire-resistant layer.
Further, the filler is solvent-free silicone oil particles.
Further, the first polyethylene terephthalate layer and the second polyethylene terephthalate layer have a thickness of 20 to 25 μm.
Further, the base layer is a polyethylene layer, and the thickness of the polyethylene layer is 12-17 mu m.
The beneficial effects of the utility model are at least as follows:
according to the utility model, the refractory layer and the heat insulation layer are arranged, the crystal particles are arranged in the heat insulation layer, and the crystal particles are arranged between the first polyethylene terephthalate layer and the base layer, so that the contact area between the first polyethylene terephthalate layer and the base layer is reduced, and the conduction efficiency of heat in the release film is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the insulating layer of the present utility model;
FIG. 3 is a schematic structural view of the functional components of the present utility model;
the parts in the drawings are marked as follows:
1 base layer, 2 first polyethylene glycol terephthalate layer, 3 second polyethylene glycol terephthalate layer, 4 heat insulation layer, 41 functional component, 411 depressed portion, 42 filler, 5 refractory layer, 6 anticorrosive layer.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Examples: the composite fluorine release film comprises a base layer 1, wherein the upper surface and the lower surface of the base layer are respectively provided with a first polyethylene terephthalate layer 2 and a second polyethylene terephthalate layer 3, and a heat insulation layer 4 is arranged between the first polyethylene terephthalate layer and the base layer;
as shown in fig. 2 and 3, the thermal insulation layer includes a functional component 41 and a filler 42, where the functional component includes a plurality of crystal particles arranged in a whole row, the crystal particles are in a polygonal pyramid shape with a small top and a large bottom, the lower ends of the crystal particles are connected with the base layer, the lower ends of the crystal particles are connected with the first polyethylene terephthalate layer, the top ends and the side walls of the crystal particles are arc-shaped, and the filler is located between the crystal particles and the first polyethylene terephthalate layer.
The top of the crystal particle is provided with a concave part 411, and further, a heat insulation material can be filled between the concave part and the first polyethylene terephthalate layer, the heat insulation material can be polyimide, and two ends of the concave part are in contact with the lower surface of the first polyethylene terephthalate layer.
The crystal particles are arranged in a matrix.
The upper surface of first polyethylene glycol terephthalate layer is provided with flame retardant coating 5, the top bonding of flame retardant coating has anticorrosive coating 6, the corrosion-resistant layer is the polyurethane resin layer. Further, the anti-corrosion layer can be arranged below the fire-resistant layer, so that the anti-corrosion performance of the release film is further improved, the fire-resistant layer is made of nano heat-insulating materials, and the heat-insulating temperature range of the fire-resistant layer is 180-260 ℃.
The filler is solvent-free silicone oil particles.
The first polyethylene terephthalate layer and the second polyethylene terephthalate layer have a thickness of 20-25 μm.
The base layer is a polyethylene layer, and the thickness of the polyethylene layer is 12-17 mu m.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships described based on the embodiments and shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.
Claims (7)
1. A composite fluorine release film is characterized in that: the heat insulation layer is arranged between the first polyethylene terephthalate layer and the base layer;
the heat insulation layer comprises a functional part and a filler, wherein the functional part comprises a plurality of crystal particles which are arranged in a whole row, the crystal particles are in a polygonal pyramid shape with a small upper part and a large lower part, the lower ends of the crystal particles are connected with the base layer, the lower ends of the crystal particles are connected with the first polyethylene terephthalate layer, the top ends and the side walls of the crystal particles are arc-shaped, and the filler is positioned between the crystal particles and the first polyethylene terephthalate layer.
2. The composite fluorine release film according to claim 1, wherein: the top of the crystal particle is provided with a concave part, and two ends of the concave part are in contact with the lower surface of the first polyethylene terephthalate layer.
3. The composite fluorine release film according to claim 2, wherein: the crystal particles are arranged in a matrix.
4. The composite fluorine release film according to claim 1, wherein: the upper surface of first polyethylene glycol terephthalate layer is provided with the flame retardant coating, the top bonding of flame retardant coating has the anticorrosive coating.
5. The composite fluorine release film according to claim 1, wherein: the filler is solvent-free silicone oil particles.
6. The composite fluorine release film according to claim 1, wherein: the first polyethylene terephthalate layer and the second polyethylene terephthalate layer have a thickness of 20-25 μm.
7. The composite fluorine release film according to claim 1, wherein: the base layer is a polyethylene layer, and the thickness of the polyethylene layer is 12-17 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321329116.0U CN220095825U (en) | 2023-05-29 | 2023-05-29 | Composite fluorine release film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321329116.0U CN220095825U (en) | 2023-05-29 | 2023-05-29 | Composite fluorine release film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220095825U true CN220095825U (en) | 2023-11-28 |
Family
ID=88847257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321329116.0U Active CN220095825U (en) | 2023-05-29 | 2023-05-29 | Composite fluorine release film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220095825U (en) |
-
2023
- 2023-05-29 CN CN202321329116.0U patent/CN220095825U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |