CN206014754U - Bonding sheet - Google Patents
Bonding sheet Download PDFInfo
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- CN206014754U CN206014754U CN201621038440.7U CN201621038440U CN206014754U CN 206014754 U CN206014754 U CN 206014754U CN 201621038440 U CN201621038440 U CN 201621038440U CN 206014754 U CN206014754 U CN 206014754U
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- bonding sheet
- hole
- adhesive layer
- base material
- convex
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Abstract
The purpose of this utility model is to provide a kind of bonding sheet (1), and which possesses：The base material (2) of lamellar；It is configured at the adhesive layer (3) on the surface of the base material (2)；And it is configured at the peeling paper (4) on the surface of the adhesive layer (3), it is characterized in that, possess multiple through holes (5) of base material described in insertion (2) and the adhesive layer (3), the aperture of the through hole (5) is 0.1～300 μm, and hole density is 30～50000/100cm2, it is formed with the surface (3a) of the peeling paper side of the adhesive layer (3) concavo-convex.When bonding sheet (1) is attached to adherend, the outward appearance of bonding sheet (1) will not be damaged and easily attached again, and be prevented from or remove air trapping or bubble.
Description
Technical field
This utility model relates to the bonding sheet for preventing or removing air trapping or bubble.
Background technology
In order to solve the problem of appearance of the bonding sheet caused due to air trapping, following measures are taken：Bonding sheet is replaced
Be changed to another bonding sheet, peel off bonding sheet and simultaneously re-paste, or using pin bonding sheet dilation perforate air-out.
However, it occur frequently that problem below, when bonding sheet is replaced, not only bothersome, and cause cost up, or ought paste again
During attached bonding sheet, bonding sheet is damaged, can produce fold on the surface, or cohesive reduces.
In order to prevent the generation of air trapping, although exist and pasted after getting wet on adherend or adhesive surface in advance again
Attached method, however, it is larger to attach the breakage-proof thin film of the glass for being used for being attached on window, decorating film, Marking film equidimension
Bonding sheet when, then need more time and more bothersome.In addition, though existing to enter using machinery by non-manual operations
Row is attached, the method so as to prevent air trapping, but is existed due to the purposes of bonding sheet or the position of adherend and/or shape
The reason for, the problem that mechanical grip cannot be suitable for.
On the other hand, to acrylic resin, ABS resin, polystyrene resins, the resin material such as polycarbonate resin and
, there is the situation that gas is produced due to heating or without heating, make bonding sheet is attached at thus resinous materials in speech
Adherend when, due to adherend produce gas due to, cause in bonding sheet produce bubble.
Utility model content
Utility model problem to be solved
This utility model is in view of above-mentioned practical situation is made, and its object is to provide one kind and will not damage bonding sheet
Outward appearance and easily attached again, and be prevented from or remove the bonding sheet of air trapping or bubble.
For solving the technical scheme of problem
For achieving the above object, first aspect of the present utility model provides a kind of bonding sheet (1), and which possesses：Lamellar
Base material (2)；It is configured at the adhesive layer (3) on the surface of the base material (2)；And it is configured at the peeling paper on the surface of the adhesive layer (3)
(4), it is characterised in that possess multiple through holes (5) of base material described in insertion (2) and the adhesive layer (3), the hole of the through hole (5)
Footpath is 0.1～300 μm, and hole density is 30～50000/100cm2, on the surface (3a) of the peeling paper side of the adhesive layer (3)
It is formed with concavo-convex.
Preferably, the through hole (5) on the surface (2a) with the adhesive layer (3) opposite side of base material (2)
Aperture be less than 40 μm.
Preferably, the aperture of through hole (5) is from the surface (3a) of the peeling paper side of the adhesive layer (3) to the base material
(2) be gradually reduced with the surface (2a) of the adhesive layer (3) side opposite side.
Preferably, when overlooking bonding sheet (1), described through hole (5) are irregular configuration.
Preferably, base material (2) are black or opaque.
Preferably, upper the concavo-convex of formation in the surface (3a) of the peeling paper side of adhesive layer (3) is irregular.
Preferably, the upper formation in the surface (3a) of the peeling paper side of adhesive layer (3) is concavo-convex for pears stricture of vagina shape.
Preferably, peeling paper (4) possess the stripping paper base material (41) of lamellar and are layered in the stripping paper base material (41)
On peeling agent layer (42), be formed with the surface of the peeling agent layer (42) concavo-convex.
The effect of utility model
In above-mentioned bonding sheet of the present utility model, as the air between adherend and adhesive surface can be discharged to from through hole
The outside on the surface of bonding sheet, therefore, when bonding sheet is pasted on adherend, air is difficult to be trapped such that it is able to anti-
The only generation of air trapping.Even if air is trapped and forms air trapping, it is also possible to by compressing air trapping part again
Or the near zone including air trapping part, make that air is discharged to the outside on the surface of adhesive layer from through hole and to eliminate air stagnant
Stay.Additionally, even if bonding sheet produces gas by adherend after being attached on adherend, gas also can be discharged to bonding from through hole
The outside on the surface of piece, therefore can prevent the generation of bubble.
Further, since the surface of the peeling paper side of adhesive layer is formed with concavo-convex, it is thus susceptible to guarantee the stripping from adhesive layer
The exhaust pathway on the surface of paper side to through hole, can be more effectively prevented from or remove air trapping or bubble.
Further, since the surface of the peeling paper side of adhesive layer is formed with concavo-convex, bonding sheet is being pasted onto adherend therefore
When, the convex portion of adhesive layer first contacts, and afterwards, by further pressing bonding sheet in adherend, convex portion is destroyed, and glues
Closing piece is gradually increased with the contact area of adherend, so even attached in the malposition for attaching again, also easily
In bonding sheet is peeled off from adherend, bonding sheet breakage will not occur or produce the situation of fold.
Further, since the aperture of through hole be less than 300 μm, therefore on the surface of bonding sheet, through hole be unconspicuous, no
The outward appearance of bonding sheet can be damaged.Further, since the hole density of through hole is 50000/100cm2, the therefore mechanical strength of bonding sheet
Kept.
Description of the drawings
Fig. 1 is the sectional view of the bonding sheet in embodiment of the present utility model.
Fig. 2 is the top view of the bonding sheet in embodiment of the present utility model.
Symbol description
1 bonding sheet
2 base materials
3 adhesive layers
4 peeling papers
41 peel off paper base material
42 peeling agent layers
Specific embodiment
Fig. 1 is the sectional view of the bonding sheet of an embodiment of the present utility model.As shown in figure 1, in present embodiment
Bonding sheet 1 possess lamellar base material 2, be configured at base material 2 surface adhesive layer 3, be configured at adhesive layer 3 surface stripping
Paper 4.When using bonding sheet 1, peeling paper 4 can be stripped.
Bonding sheet 1 possesses multiple through holes 5 of insertion base material 2 and adhesive layer 3.When using bonding sheet 1, adherend and bonding
Air between the adhesive surface of layer 3 or the gas produced from adherend are discharged to the outside of the surface 2a of bonding sheet 1 from through hole 5,
Therefore, as described below, it is prevented from or removes air trapping or bubble.Additionally, in the present embodiment, there is shown through hole
The example of 5 only insertion base material 2 and adhesive layers 3, but 5 insertion base material 2 of through hole, adhesive layer 3 and peeling paper 4 can also be made.
Although the shape of cross section of through hole 5 is not particularly limited, aperture of the through hole 5 on base material 2 with adhesive linkage 3
It is 0.1～300 μm, preferably 0.5～150 μm.If the aperture of through hole 5 is difficult to air-out or gas less than 0.1 μm.Such as
Therefore the outward appearance of bonding sheet 1 can be damaged more than 300 μm then so that through hole 5 is obvious in the aperture of fruit through hole 5.
Here, if aperture of the through hole 5 on the surface 2a of bonding sheet 1 is less than 40 μm, the hole of through hole 5 itself is (logical
The inner space in hole 5) can become visually sightless.Therefore, the hole sheet of the through hole in appearance 5 in bonding sheet 1 is especially required
In the case of body is sightless, the upper limit for preferably making the aperture of the through hole 5 on the surface 2a of bonding sheet 1 is 40 μm.
The aperture of through hole 5 can be certain on the thickness direction of bonding sheet 1, on the thickness direction of bonding sheet 1
It can be change.In the case where the aperture of through hole 5 is change on the thickness direction of bonding sheet 1, as shown in figure 1, it is preferred that
The aperture of through hole 5 is gradually from the surface 3a of the peeling paper side of adhesive layer 3 to base material 2 with the surface 2a of adhesive layer opposite side
Reduce.Changed by so making the aperture of through hole 5, in the surface 2a of bonding sheet, through hole 5 more will be not easy to seem bright
Aobvious such that it is able to keep the outward appearance of bonding sheet 1 well.But, even if in this case, through hole 5 is in base material 2 and adhesive linkage 3
On aperture also must within the above range (0.1～300 μm).
The hole density of through hole 5 is 30～50000/100cm2, preferably 100～10000/100cm2.If through hole 5
Hole density be less than 30/100cm2, then it is difficult to air-out or gas.If the hole density of through hole 5 more than 50000/
100cm2, then the mechanical strength of bonding sheet 1 can reduce.
In addition, as shown in Fig. 2 when bonding sheet 1 is overlooked, through hole 5 is irregular configuration.By so making through hole 5 not
Rule configuration, through hole 5 are observed it will be more difficult to by visual observation.Additionally, in the present embodiment, through hole 5 is irregularly to match somebody with somebody
Put, but it is also possible that when bonding sheet 1 is overlooked, through hole 5 is rule configuration.
It is preferred that forming through hole 5 by Laser Processing.By Laser Processing, can easily with desired hole density shape
Into the good fine through hole of air discharging performance.But, form the method not limited to this of through hole.For example, it is also possible to pass through water
Injection, miniature punching, precision stamping, hot pin, fusion piercing etc. are forming through hole 5.
As the material of base material 2, as long as the material of above-mentioned this through hole 5 can be formed, all it is not particularly limited, example
Such as, resin film, metallic film, the resin film of evaporation metal, paper and their duplexer etc. can be enumerated.In base material 2
Be be made up of resin film in the case of, but in general base material 2 can be opaque, or transparent, in base material
2 be black or opaque when, through hole 5 is more unconspicuous.
As resin film, for example, can use by the polyolefin such as polyethylene, polypropylene, polyethylene terephthalate
The polyester such as ester, polybutylene terephthalate (PBT), polrvinyl chloride, polystyrene, polyurethane, Merlon, polyamide, polyamides are sub-
Amine, polymethyl methacrylate, polybutene, polybutadiene, polymethylpentene, vinyl-vinyl acetate copolymer, ethylene-(first
Base) resin such as acrylic copolymer, ethylene-(methyl) acrylate copolymer, ABS resin, ionomer resin make thin film,
Laminate film of foamed thin sheet or these thin film etc..
Typically about 1～500 μm of the thickness of base material 2, preferably 3～300 μm sizes.The thickness can be according to bonding sheet
1 purposes and suitably change.
In addition, as shown in figure 1, the surface 3a in the peeling paper side of adhesive layer 3 be formed with concavo-convex.This concavo-convex for example can be with
The surface with tiny granular projection similar to the epidermis of pears is processed into (at this by the surface 3a by adhesive layer 3
In description, referred to as " pears stricture of vagina shape ") formed.Additionally, in the present embodiment, there is shown in the surface 3a shapes of adhesive layer 3
Into irregularly concavo-convex example, but can also on the surface 3a of adhesive layer 3 formation rule concavo-convex, such as in adhesive layer 3
Surface 3a form multiple grooves etc. of predetermined pattern.
As the species of the binding agent for constituting adhesive layer 3, as long as the material of above-mentioned this through hole 5 can be formed, not
It is particularly limited to.Binding agent can be any one of acrylic compounds, polyesters, polyurethaness, rubber-like, type siloxane etc.
Kind.In addition, binding agent can be any one of emulsion-type, solvent-borne type or no-solvent type, or cross-linking type or non-crosslinked
Any one of type.Additionally, binding agent can be the weaker weak adhesive type of the stronger strong bonding type of bonding force, bonding force,
Or can bond repeatedly and the peel-away type again peeled off any one.
Typically about 1～300 μm of the thickness of adhesive layer 3, preferably 5～100 μm sizes.The thickness can be according to bonding
The purposes of piece 1 and suitably change.
Peeling paper 4 possesses the stripping paper base material 41 of lamellar, the peeling agent layer 42 being layered on the stripping paper base material 41.In stripping
From the surface of the adhesive layer of paper 4, concavo-convex shape with adhesive layer 3 is corresponding be formed with concavo-convex.As described below, adhesive layer 3
Concavo-convex by transferring the concavo-convex being formed of peeling paper 4.
As the material of peeling paper 4, as long as this concavo-convex material can be formed, all it is not particularly limited, for example,
Sending out in the thin film or these materials being made up of resins such as polyethylene terephthalate, polypropylene, polyethylene can be used
Steep the paper such as thin film or Ge Laxin paper, upper matter paper (woodfree paper), kraft paper, paper is fitted on resin film
The paper such as laminated paper on carry out the material after lift-off processing using removers such as type siloxane, fluorine class or chain alkyl classes.
The thickness of peeling paper 4 is typically 10～250 μm of sizes, preferably 20～200 μm sizes.Stripping on peeling paper 4
Typically 0.05～5 μm, preferably 0.1～3 μm of the thickness of oxidant layer 42.
Hereinafter, an example of the manufacture method of bonding sheet 1 is illustrated.First, by using knurling rolls etc. in the past
Known method, forms the concavo-convex surface with regulation on paper base material 41 is peeled off.Further, by peeling off paper base material 41
Coating remover, arranges shape transfer face.Then, by known method, in the stripping for being provided with shape transfer face
Adhesive layer 3 is formed on the peeling agent layer 42 of paper 4, and makes the adhesive layer with peeling paper.Adhesive layer 3 is defined on peeling paper 4
When, the concavo-convex surface 3a for being transferred to adhesive layer 3 on the surface of peeling paper 4.Then, peeled off by base material 2 is fitted to the band
The adhesive layer of paper, obtains the duplexer of base material 2, adhesive layer 3 and peeling paper 4.Also, existed by above-mentioned known method
Through hole 5 is formed on the duplexer for obtaining.
In upper bonding sheet 1, as the air between adherend and adhesive surface is discharged to the surface of bonding sheet 1 from through hole 5
Outside, when bonding sheet being pasted to adherend therefore, air is difficult to be trapped such that it is able to prevent from forming air trapping.I.e.
Just air is trapped and forms air trapping, it is also possible to by compressing air trapping part again or including air trapping part
Near zone, makes air be expelled to the outside on the surface of bonding sheet 1 from through hole 5 and eliminate air trapping.Even if in addition, bonding sheet
Gas is produced by adherend after being attached on adherend, as gas is expelled to the outside on the surface of bonding sheet 1 from through hole 5,
Therefore, it is possible to prevent the generation of bubble.
Further, since be formed with the surface 3a of adhesive layer 3 concavo-convex, be thus susceptible to guarantee from the surface 3a of adhesive layer 3 to
The path of the air-out of through hole 5, can be more effectively prevented from or remove air trapping or bubble.
Also, due to the surface 3a in adhesive layer 3 be formed with concavo-convex, therefore when bonding sheet 1 is pasted onto adherend, first
The convex portion of first adhesive layer 3 contacts, and afterwards, by further pressing bonding sheet 1 in adherend, convex portion is destroyed, bonding
Piece 1 is gradually increased with the contact area of adherend, so even being attached in the malposition for attaching again, is also easy to
Bonding sheet 1 is peeled off from adherend, 1 breakage of bonding sheet will not be occurred or produced the situation of fold.
Further, since the aperture of through hole 5 is less than 300 μm, therefore on the surface of bonding sheet 1, through hole is unobvious
, the outward appearance of bonding sheet 1 will not be damaged.Further, since the hole density of through hole 5 is 50000/100cm2, therefore bonding sheet
Mechanical strength is kept.
Claims (8)
1. a kind of bonding sheet (1), which possesses：The base material (2) of lamellar；It is configured at the adhesive layer (3) on the surface of the base material (2)；With
And it is configured at the peeling paper (4) on the surface of the adhesive layer (3), it is characterised in that possess base material described in insertion (2) and the bonding
Multiple through holes (5) of layer (3), the aperture of the through hole (5) is 0.1～300 μm, and hole density is 30～50000/100cm2,
It is formed with the surface (3a) of the peeling paper side of the adhesive layer (3) concavo-convex.
2. according to claim 1 to bonding sheet (1), it is characterised in that
The aperture of the through hole (5) on the surface (2a) with the adhesive layer (3) opposite side of base material (2) is 40 μm
Below.
3. according to claim 1 to bonding sheet (1), it is characterised in that
The aperture of through hole (5) from the surface (3a) of the peeling paper side of the adhesive layer (3) to the base material (2) with described
The surface (2a) of adhesive layer (3) side opposite side is gradually reduced.
4. according to claim 1 to bonding sheet (1), it is characterised in that
When overlooking bonding sheet (1), described through hole (5) are irregular configuration.
5. according to claim 1 to bonding sheet (1), it is characterised in that
Base material (2) are black or opaque.
6. according to claim 1 to bonding sheet (1), it is characterised in that
Upper the concavo-convex of formation in the surface (3a) of the peeling paper side of adhesive layer (3) is irregular.
7. according to claim 1 to bonding sheet (1), it is characterised in that
It is concavo-convex for pears stricture of vagina shape that the surface (3a) of the peeling paper side of adhesive layer (3) is above formed.
8. bonding sheet (1) according to any one of claim 1 to 7, it is characterised in that
Peeling paper (4) possess the stripping paper base material (41) and the peeling agent layer being layered on the stripping paper base material (41) of lamellar
(42), it is formed with the surface of the peeling agent layer (42) concavo-convex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038440.7U CN206014754U (en) | 2016-09-05 | 2016-09-05 | Bonding sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038440.7U CN206014754U (en) | 2016-09-05 | 2016-09-05 | Bonding sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206014754U true CN206014754U (en) | 2017-03-15 |
Family
ID=58259849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621038440.7U Active CN206014754U (en) | 2016-09-05 | 2016-09-05 | Bonding sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206014754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108630815A (en) * | 2017-03-16 | 2018-10-09 | 上海和辉光电有限公司 | A kind of module gum and organic light-emitting diode display module |
-
2016
- 2016-09-05 CN CN201621038440.7U patent/CN206014754U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108630815A (en) * | 2017-03-16 | 2018-10-09 | 上海和辉光电有限公司 | A kind of module gum and organic light-emitting diode display module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |