CN206014753U - Bonding sheet - Google Patents
Bonding sheet Download PDFInfo
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- CN206014753U CN206014753U CN201621037297.XU CN201621037297U CN206014753U CN 206014753 U CN206014753 U CN 206014753U CN 201621037297 U CN201621037297 U CN 201621037297U CN 206014753 U CN206014753 U CN 206014753U
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- bonding sheet
- adhesive layer
- base material
- hole
- convex
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Abstract
This utility model provides 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, be formed with the surface (3a) of the peeling paper side of the adhesive layer (3) first concavo-convex, second is formed with the base material (2) and the surface (2a) of the adhesive layer opposite side 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)
Be formed with first concavo-convex, second is formed with the base material (2) and the surface (2a) of the adhesive layer opposite side concavo-convex.
Preferably, the concavo-convex with the second of the upper formation in the surface (2a) of the adhesive layer opposite side of base material (2) is
Irregular.
Preferably, the surface roughness Ra on the surface (2a) with the adhesive layer opposite side of base material (2) is 0.5
Less than 6 μm more than μm.
Preferably, the concavo-convex with the second of the upper formation in the surface (2a) of the adhesive layer opposite side of base material (2) is
Pears stricture of vagina shape.
Preferably, on the surface (2a) with the adhesive layer opposite side of base material (2) mirror surface luster is (incident
60 degree of angle) it is less than more than 1% 50%.
Preferably, the hole of the through hole (5) on the surface (2a) with the adhesive layer opposite side of base material (2)
Footpath is less than 40 μm.
Preferably, base material (2) are black or opaque.
Preferably, it is irregular that first for being formed is gone up concavo-convex in the surface (3a) of the peeling paper side of adhesive layer (3).
Preferably, the first of 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.
Utility model effect
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 first concavo-convex, it is thus susceptible to guarantee from adhesive layer
The exhaust pathway on the surface of peeling 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 be formed with first concavo-convex, therefore by bonding sheet be pasted onto by
During viscous thing, the convex portion of adhesive layer first contacts, and afterwards, by further pressing bonding sheet in adherend, convex portion is subject to broken
Bad, bonding sheet is gradually increased with the contact area of adherend, so even attached in the malposition for attaching again,
Be also easy to bonding sheet is peeled off from adherend, bonding sheet breakage will not occur or produce the situation of fold.
Be additionally, since on the surface with adhesive layer opposite side of base material be formed with second concavo-convex, therefore in bonding sheet
On surface, through hole is unconspicuous, even if forming the outward appearance that through hole will not also damage bonding sheet.
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.Also, as 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 irregular concavo-convex.This concavo-convex
For example the table with tiny granular projection similar to the epidermis of pears can be processed into by the surface 3a by adhesive layer 3
Face (hereinafter referred to as " pears stricture of vagina shape ") is formed.Additionally, in the present embodiment, there is shown formed in the surface 3a of adhesive layer 3
Irregular first concavo-convex example, but can also on the surface 3a of adhesive layer 3 formation rule first concavo-convex, such as viscous
The surface 3a for closing layer 3 forms multiple grooves of predetermined pattern etc..
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, the shape concavo-convex with the first of adhesive layer 3 is corresponding be formed with concavo-convex.As described below, bond
The first of layer 3 is 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.
In addition, as shown in figure 1, base material 2 the surface 2a with 3 opposite side of adhesive layer, be formed with irregular second
Concavo-convex.This concavo-convex for example can be processed into by the surface 2a by base material 2 similar to the epidermis of pears with tiny granule
The surface of the projection of shape is formed.Concavo-convex method is formed on base material 2 to be not particularly limited, and can adopt known side
Method.Concavo-convex due to being formed with second on the surface 2a with 3 opposite side of adhesive layer of base material 2, therefore table of the through hole 5 in bonding sheet
It is unconspicuous on face, the outward appearance of bonding sheet 1 will not be damaged.Additionally, the surface roughness Ra of the surface 2a of base material 2 is preferably
Less than more than 0.5 μm 6 μm.If less than 0.5 μm, then the effect for being difficult to observe through hole 5 by visual observation cannot be fully realized, such as
Fruit is more than 6 μm, then the outward appearance of bonding sheet 1 will be deteriorated.Additionally, in this manual, surface roughness Ra is referred to according to JIS B
0601:The value of 2013 reference measurement.
Additionally, the mirror surface luster of the 60 degree of incident angular measurements of use on the surface 2a with 3 opposite side of adhesive layer of base material 2
Preferably less than more than 1% 50%, more preferably less than more than 3% 35%.If mirror surface luster is less than 50%, through hole
5 are difficult to observe by by visual observation.On the other hand, if mirror surface luster is more than 50%, fully cannot realize being difficult to by mesh
Depending on observing the effect of through hole 5.Additionally, the mirror surface luster in this specification is based on JIS K5600-4-7:1999 benchmark
The measured value of measurement.
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 being formed with first concavo-convex in the surface 3a of adhesive layer 3, bonding sheet 1 is being pasted onto adherend therefore
When, the convex portion of adhesive layer 3 first contacts, and afterwards, by further pressing bonding sheet 1 in adherend, convex portion is destroyed,
Bonding sheet 1 is gradually increased with the contact area of adherend, so even attached in the malposition for attaching again,
Be easy to bonding sheet 1 is peeled off from adherend, 1 breakage of bonding sheet will not occur or produce the situation of fold.
Further, since be formed with base material 2 and the surface 2a of 3 opposite side of adhesive layer second concavo-convex, therefore in bonding
On the surface of piece 1, through hole 5 is unconspicuous, even if forming the outward appearance that through hole 5 will not also damage bonding sheet 1.
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 (10)
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,
The surface (3a) of the peeling paper side of adhesive layer (3) be formed with first concavo-convex, in the base material (2) and the adhesive layer phase
It is concavo-convex that the surface (2a) of anti-side is formed with second.
2. according to claim 1 to bonding sheet (1), it is characterised in that
The concavo-convex with the second of the upper formation in the surface (2a) of the adhesive layer opposite side of base material (2) is irregular.
3. according to claim 1 to bonding sheet (1), it is characterised in that
The surface roughness Ra on the surface (2a) with the adhesive layer opposite side of base material (2) be more than 0.5 μm 6 μm with
Under.
4. according to claim 1 to bonding sheet (1), it is characterised in that
Base material (2) upper with the surface (2a) of the adhesive layer opposite side formed second concavo-convex for pears stricture of vagina shape.
5. according to claim 1 to bonding sheet (1), it is characterised in that
The bright luster with 60 degree of incident angular measurements on the surface (2a) with the adhesive layer opposite side of base material (2)
Spend for less than more than 1% 50%.
6. 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 opposite side of base material (2) be 40 μm with
Under.
7. according to claim 1 to bonding sheet (1), it is characterised in that
Base material (2) are black or opaque.
8. according to claim 1 to bonding sheet (1), it is characterised in that
It is irregular that first for being formed is gone up concavo-convex in the surface (3a) of the peeling paper side of adhesive layer (3).
9. according to claim 1 to bonding sheet (1), it is characterised in that
The first of 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.
10. bonding sheet (1) according to any one of claim 1 to 9, 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 |
|---|---|---|---|
| CN201621037297.XU CN206014753U (en) | 2016-09-05 | 2016-09-05 | Bonding sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621037297.XU CN206014753U (en) | 2016-09-05 | 2016-09-05 | Bonding sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206014753U true CN206014753U (en) | 2017-03-15 |
Family
ID=58258794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621037297.XU Active CN206014753U (en) | 2016-09-05 | 2016-09-05 | Bonding sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206014753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109825206A (en) * | 2019-01-28 | 2019-05-31 | 东莞市澳中电子材料有限公司 | Easy-to-detach high-removal-rate foaming adhesive tape |
-
2016
- 2016-09-05 CN CN201621037297.XU patent/CN206014753U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109825206A (en) * | 2019-01-28 | 2019-05-31 | 东莞市澳中电子材料有限公司 | Easy-to-detach high-removal-rate foaming adhesive tape |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |