CN111944437A - Circular ultrathin exhaust adhesive tape - Google Patents
Circular ultrathin exhaust adhesive tape Download PDFInfo
- Publication number
- CN111944437A CN111944437A CN202010723622.2A CN202010723622A CN111944437A CN 111944437 A CN111944437 A CN 111944437A CN 202010723622 A CN202010723622 A CN 202010723622A CN 111944437 A CN111944437 A CN 111944437A
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- China
- Prior art keywords
- circular
- exhaust
- adhesive tape
- ultrathin
- layer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/005—Presence of polyester in the release coating
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2483/00—Presence of polysiloxane
- C09J2483/005—Presence of polysiloxane in the release coating
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a round ultrathin exhaust adhesive tape, which relates to the technical field of exhaust adhesive tapes and comprises a light release layer, a smooth surface flat adhesive layer, a base material layer, a round adhesive layer and a heavy release layer which are sequentially arranged from top to bottom, wherein the round adhesive layer comprises a plurality of round adhesive blocks with the same size, the round adhesive blocks are uniformly distributed on the surface of the base material at intervals, an exhaust channel is formed between every two adjacent round adhesive blocks, the exhaust channels are communicated, the diameter of each round adhesive block is 0.8-1.2 mm, and the problem that the shape of the exhaust adhesive layer is easily seen on the other side of glass after long-time UV aging and the attractiveness is affected due to the fact that a rhombic or square exhaust adhesive tape is attached to a glass cover plate is solved. The exhaust adhesive tape provided by the invention has the characteristics of ultrathin thickness, high viscosity, long-term high exhaust property, good uniformity, good reliability and long service life.
Description
Technical Field
The invention relates to the technical field of exhaust adhesive tapes, in particular to a circular ultrathin exhaust adhesive tape.
Background
A round ultrathin exhaust adhesive tape is an adhesive tape which is designed to have long-term high exhaust performance and is used for fixing a nanocrystalline in the wireless charging industry and fixing a graphite radiating fin in the heat radiation industry, along with diversification of requirements of back-attached objects, the back-attached objects commonly used comprise magnesium aluminum alloy, a steel sheet, a plastic rear shell, a color plate rear shell, glass and the like, and the adhesive tape fixed with the back-attached objects is required to be thinner and higher in viscosity, so that large-area attached clothes are free of bubbles.
At present, the mainstream exhaust adhesive tape in the market is designed to ensure viscosity and reduce the distance and depth of an exhaust channel, but a customer feeds back the exhaust adhesive tape to be attached to a glass cover plate, and after long-time UV aging, the shape of the exhaust adhesive layer is easily seen on the other surface of the glass, so that the appearance is influenced, and the circular ultrathin exhaust adhesive tape with high exhaust performance is produced at the same time.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides a circular ultrathin exhaust adhesive tape.
The specific technical scheme is as follows:
the utility model provides a circular ultra-thin exhaust sticky tape, includes from last to light that sets gradually down from type layer, plain noodles flat glue film, substrate layer, circular glue film and heavily from type layer, circular glue film includes the circular gluey piece of a plurality of equidimensions, and a plurality of circular even interval distribution of gluey piece are on the substrate surface, and adjacent two be formed with exhaust passage between the circular gluey piece, exhaust passage all link up, the diameter of circular gluey piece is 0.8 ~ 1.2 mm.
Preferably, the light release layer is a polyethylene terephthalate film, and the surface of the polyethylene terephthalate film is coated with a silicone polymer.
Preferably, the thickness of the light release layer is 25 μm.
Preferably, the thickness of the smooth surface flat glue layer is 5-15 μm.
Preferably, the substrate layer is a PET substrate, and the thickness of the substrate is 1.5-5 μm.
Preferably, the thickness of the circular rubber block is 5-15 μm.
Preferably, the width of the exhaust channel is 200-400 μm.
Preferably, the heavy release layer is a polyethylene terephthalate film, and the surface of the polyethylene terephthalate film is coated with a silicone polymer.
Preferably, the thickness of the heavy release layer is 36 μm.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses a round ultrathin exhaust adhesive tape, which comprises a light release layer, a smooth flat adhesive layer, a base material layer, a round adhesive layer and a heavy release layer which are sequentially arranged from top to bottom, wherein the round adhesive layer comprises a plurality of round adhesive blocks with the same size, the round adhesive blocks are uniformly distributed on the surface of the base material at intervals, an exhaust channel is formed between every two adjacent round adhesive blocks, the exhaust channels are communicated, the diameter of each round adhesive block is 0.8-1.2 mm, and the problem that the shape of the exhaust adhesive layer is easily seen on the other side of glass after long-time UV aging and the attractiveness is affected due to the fact that a rhombic or square exhaust adhesive tape is attached to a glass cover plate by a customer is solved. The exhaust adhesive tape provided by the invention has the characteristics of ultrathin thickness, high viscosity, long-term high exhaust property, good uniformity, good reliability and long service life.
Drawings
FIG. 1 is a schematic structural view of a circular ultrathin venting tape of the present invention;
FIG. 2 is a schematic view of a partial structure of a circular adhesive layer in the circular ultrathin venting adhesive tape of the invention.
In the figure, 1-light release layer, 2-smooth surface flat adhesive layer, 3-substrate layer, 4-round adhesive layer, 5-heavy release layer, 6-round adhesive block and 7-exhaust channel.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The invention discloses a round ultrathin exhaust adhesive tape, which comprises a light release layer 1, a smooth surface flat adhesive layer 2, a base material layer 3, a round adhesive layer 4 and a heavy release layer 5 which are sequentially arranged from top to bottom as shown in figure 1, wherein the light release layer 1 is a polyethylene terephthalate film, and the surface of the polyethylene terephthalate film is coated with a silicone polymer. The thickness of the light release layer 1 is 25 μm, and the model is SILPHON V2623M 0J 30040. The thickness of the smooth surface flat glue layer 2 is 5-15 mu m, and preferably, the thickness of the smooth surface flat glue layer 2 is 7.5 mu m. The substrate layer 3 is the PET substrate, and substrate thickness is 1.5 ~ 5 mu m, and is preferred, and substrate layer 3 in this application is 4.55 mu m. Wherein, the smooth surface flat adhesive layer 2 adopts polyacrylate pressure-sensitive adhesive which is independently researched and developed by my department, and the application number is CN 201911336385.8.
As shown in fig. 2, the circular glue layer 4 includes a plurality of circular glue blocks 6 with the same size, the circular glue blocks 6 are uniformly distributed on the surface of the base material at intervals, an exhaust channel 7 is formed between two adjacent circular glue blocks 6, and all the exhaust channels 7 are communicated. The diameter of the circular rubber block 6 is 0.8-1.2 mm, and preferably 0.9 mm. The thickness of the circular rubber block 6 is 5-15 mu m, preferably, the thickness of the circular rubber block 6 in the application is 7.5 mu m. The width of the exhaust channel 7 is 200-400 μm, preferably, the width of the exhaust channel 7 in the present application is 300 μm, that is, the edge distance between two adjacent circles is 300 μm. Wherein, the round glue layer 4 adopts polyacrylate pressure-sensitive adhesive which is independently researched and developed by my department, the application number is CN201911336385.8, the glue thickness of 7.5 mu m can achieve the peeling force of 650gf/inch, and the round glue layer has stable shape and structure.
The heavy release layer 5 is a polyethylene terephthalate film, and the surface of the polyethylene terephthalate film is coated with a silicone polymer. The heavy release layer 5 has a thickness of 36 μm and is model number SILPHAN V2636M 1J 13107.
The circular ultrathin highly viscous exhaust adhesive tape in the present application can be produced by a known method for producing a double-sided adhesive tape. The method may be knife coating, roll coating, gravure coating, slot extrusion coating, spray coating, die coating, or the like. In the present invention, the gravure coating or the gravure coating is preferable, and the gravure coating is more preferable.
The production process adopts gravure coating, the release coating surface of the light release film is coated with glue, and the light release film is bonded with the ultrathin PET substrate and wound after being dried by an oven, so that the first engineering surface is finished; and then coating the PET on the first engineering surface, drying the PET by an oven, attaching the PET to the release surface of the heavy release film, rolling, finishing the semi-finished product of the round ultrathin high-viscosity exhaust adhesive tape, curing, testing and cutting into the product with the customer delivery specification to obtain the finished product.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (9)
1. The utility model provides a circular ultra-thin exhaust sticky tape which characterized in that: include from last light to setting gradually down from type layer, plain noodles glue film, substrate layer, circular glue film and heavily from type layer, circular glue film includes the circular gluey piece that a plurality of wait are big, and a plurality of circular even interval distribution of gluey piece is on the substrate surface, and adjacent two be formed with exhaust passage between the circular gluey piece, exhaust passage all link up, the diameter of circular gluey piece is 0.8 ~ 1.2 mm.
2. The circular ultrathin venting adhesive tape as claimed in claim 1, characterized in that: the light release layer is a polyethylene terephthalate film, and the surface of the polyethylene terephthalate film is coated with a silicone polymer.
3. The circular ultrathin venting adhesive tape as claimed in claim 2, characterized in that: the thickness of the light release layer is 25 mu m.
4. The circular ultrathin venting adhesive tape as claimed in claim 3, characterized in that: the thickness of the smooth surface flat glue layer is 5-15 mu m.
5. The circular ultrathin venting adhesive tape as claimed in claim 4, characterized in that: the base material layer is a PET base material, and the thickness of the base material is 1.5-5 mu m.
6. The round ultrathin exhaust adhesive tape according to any one of claims 1 to 5, characterized in that: the thickness of the round rubber block is 5-15 mu m.
7. The circular ultrathin venting adhesive tape as claimed in claim 6, characterized in that: the width of the exhaust channel is 200-400 mu m.
8. The circular ultrathin venting adhesive tape as claimed in claim 7, characterized in that: the heavy release layer is a polyethylene terephthalate film, and the surface of the polyethylene terephthalate film is coated with a silicone polymer.
9. The circular ultrathin venting adhesive tape of claim 8, characterized in that: the thickness of the heavy release layer is 36 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010723622.2A CN111944437A (en) | 2020-07-24 | 2020-07-24 | Circular ultrathin exhaust adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010723622.2A CN111944437A (en) | 2020-07-24 | 2020-07-24 | Circular ultrathin exhaust adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111944437A true CN111944437A (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010723622.2A Pending CN111944437A (en) | 2020-07-24 | 2020-07-24 | Circular ultrathin exhaust adhesive tape |
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| Country | Link |
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| CN (1) | CN111944437A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298951A (en) * | 2017-07-14 | 2017-10-27 | 东莞市古川胶带有限公司 | Novel super-high discharge type point-like glue band and preparation method thereof |
| CN108239489A (en) * | 2018-02-01 | 2018-07-03 | 昆山汉品电子有限公司 | The manufacturing method of PET exhaust glued membranes and PET exhaust glued membranes |
| CN209481534U (en) * | 2018-11-14 | 2019-10-11 | 广东弘擎电子材料科技有限公司 | A kind of AB glue band and its keyboard glue |
| CN209508126U (en) * | 2018-12-24 | 2019-10-18 | 宁波科莱恩新材料科技有限公司 | A kind of super exhaust adhesive tape of special glue point |
| CN209940895U (en) * | 2019-05-14 | 2020-01-14 | 李虹 | Ultra-thin semi-transparent black PET double-sided tape |
-
2020
- 2020-07-24 CN CN202010723622.2A patent/CN111944437A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298951A (en) * | 2017-07-14 | 2017-10-27 | 东莞市古川胶带有限公司 | Novel super-high discharge type point-like glue band and preparation method thereof |
| CN108239489A (en) * | 2018-02-01 | 2018-07-03 | 昆山汉品电子有限公司 | The manufacturing method of PET exhaust glued membranes and PET exhaust glued membranes |
| CN209481534U (en) * | 2018-11-14 | 2019-10-11 | 广东弘擎电子材料科技有限公司 | A kind of AB glue band and its keyboard glue |
| CN209508126U (en) * | 2018-12-24 | 2019-10-18 | 宁波科莱恩新材料科技有限公司 | A kind of super exhaust adhesive tape of special glue point |
| CN209940895U (en) * | 2019-05-14 | 2020-01-14 | 李虹 | Ultra-thin semi-transparent black PET double-sided tape |
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Application publication date: 20201117 |