CN110408343A - It is a kind of can heavy industry 3D tempering film AB double-sided adhesive and preparation method thereof - Google Patents
It is a kind of can heavy industry 3D tempering film AB double-sided adhesive and preparation method thereof Download PDFInfo
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- CN110408343A CN110408343A CN201910721048.4A CN201910721048A CN110408343A CN 110408343 A CN110408343 A CN 110408343A CN 201910721048 A CN201910721048 A CN 201910721048A CN 110408343 A CN110408343 A CN 110408343A
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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
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
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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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- 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
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
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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
- C09J2433/00—Presence of (meth)acrylic polymer
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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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention relates to it is a kind of can heavy industry 3D tempering film AB double-sided adhesive and preparation method thereof; avoid white edge and rebound occur during fitting by improving the thickness of acrylate pressure sensitive adhesive glue-line and using can adapt to the silica gel with AF effect screen; it can be realized tempering film and 3D screen completely attach to; without white edge after fitting; heavy industry performance is realized by improving the viscosity of acrylic pressure sensitive glue-line simultaneously, can be improved the utilization rate that 3D in production process protects glass.
Description
Technical field
The invention belongs to jointing material technical field, be related to it is a kind of can heavy industry 3D tempering film AB double-sided adhesive and its preparation
Method.
Background technique
With the fast development of smart phone, the upgrading space of hardware configuration constantly reduces, and the competition of smart phone is
It is compared with from pure hardware configuration and rises to functional configuration, the comprehensive of personalised look compares with.The screen of smart terminal product
It is one of the key factor that people select mobile phone, as appearance of the people to smart terminal product be aesthetic and performance requirement mentions
It rises, cell phone manufacturer starts to seek to break through in the design of smart phone, at the same time with the promotion of 3D glass yields
And the raising of industry permeability, the screen of related smart phone is also from plane touch screen gradually to 2.5D curved surface, 3D surface blending.
After 3D Curved screen, curved edge touch function can be increased and bring outstanding touch-control feel.Currently, more and more manufacturers open
Originate the mobile phone that cloth has 3D Curved screen, such as Samsung S9, NOTE9, OPPO Find X etc..Although being carried out to curved surface screen surfaces
Tempering processing, but frame is raised, from maximum probability for, Mobile phone screen is still and to be easy mill flower intolerant to falling.Use tempering
Film can prevent screen from being led to screen fragmentation by external impacts and collision, while screen can also be protected not scratched, and play
Protect the effect of screen.Currently, being directed to the upper 3D screen of market, needs that tempering film is enable to completely attach to screen, reach
The sensitivity for not influencing touch-control while 3D screen again is protected completely.Currently, there are two types of type 3D protection glass is relatively common, one
Kind is that have a circle double-sided adhesive at glass ink, and viewfinder area is bonded without glue, by this circle double-sided adhesive with screen to realize protection
Effect.Due to having gap between protection glass vision panel area and screen, it is ineffective to easily cause touch-control.Another kind will be protected using AB glue
It protects glass and screen completely attaches to, but since the tolerance of 3D glass is larger, protection glass gluing screen will appear white edge later.
The AB glue viscosity of this type is relatively high simultaneously, is difficult to remove from glass after being bonded 3D bend glass, once fitting occurs not
Good, the waste of 3D bend glass can be than more serious, and loss is larger.
Therefore, it is necessary to seek it is a kind of can heavy industry 3D tempering film AB double-sided adhesive.
Summary of the invention
It is an object of the invention to invent it is a kind of can heavy industry 3D tempering film AB double-sided adhesive and preparation method, solve above-mentioned
Technical problem.
The technical solution adopted by the present invention to solve the technical problems is: provide it is a kind of can heavy industry 3D tempering film AB it is bis-
Face glue, including five-layer structure are followed successively by release layer I, acrylic pressure sensitive layer, substrate layer, silica gel varistor layer and release from top to bottom
Layer II, preparation method is:
(1) it is coated with silica gel on a surface of the substrate layer, is toasted in 140 DEG C of baking ovens after 1min solidifies and obtains silicon
Glue laminated photosensitive layer；
(2) it is bonded release film II in the pressure-sensitive layer surface of the silica gel, forms release layer II；
(3) the coated with acrylic pressure sensitive glue between another surface of the substrate layer and the release layer I, in black light lamp
Lower irradiation 8min solidification, obtains five-layer structure.
As a preferred embodiment of the invention, the release layer I with a thickness of 25um-100um.
As a preferred embodiment of the invention, the acrylic pressure sensitive layer with a thickness of 200um-500um, institute
Stating acrylic acid Asia photosensitive layer is 1000-5000gf/25mm to the adhesion strength of glass, and acrylic acid Asia photosensitive layer glues SUS steel plate
Put forth effort as 30-1000gf/25mm.
As a preferred embodiment of the invention, the composition of the acrylic pressure sensitive layer includes: equal to or less than 5 parts
Hydroxyl functional monomers, 100 parts of alkyl acrylates, the alkyl acrylate includes acrylic acid 2- ethylhexyl, propylene
Any one or more combination in the different monooctyl ester of acid, isobornyl acrylate.
As a preferred embodiment of the invention, the material of the substrate layer is PET film, with a thickness of 25um-
100um。
As a preferred embodiment of the invention, the silica gel varistor layer with a thickness of 20-50um.
As a preferred embodiment of the invention, the silica gel varistor layer includes: 50 parts of height glue AF glue, 45 parts
Low viscous AF glue；And calculated based on the viscous and low viscous AF glue mixture of 100 parts of height, 1 part of Anchor Agent, 1 part of crosslinking agent and
1.5 parts of platinum catalyst.
As a preferred embodiment of the invention, the solid content of the silica gel varistor layer before curing is 35%.
As a preferred embodiment of the invention, the release layer II with a thickness of 25um-100um.
The beneficial effects of the present invention are:
1, there is white edge after screen being bonded by the thickness of raising acrylic pressure sensitive layer to avoid tempering film；
2, white edge can also be avoided the occurrence of to the adaptability of AF screen using the raising of novel silica gel pressure sensitive adhesive；
3, heavy industry performance may be implemented by improving the formula of acrylic pressure sensitive layer glue.
Detailed description of the invention
Fig. 1 be it is of the invention it is a kind of can heavy industry 3D bend glass AB glue longitudinal cross-section schematic diagram.
Specific embodiment
Prepared by the present invention can heavy industry 3D tempering film AB double-sided adhesive, including one layer of substrate layer, substrate layer upper layer patch
Acrylate pressure sensitive adhesive is closed, is acrylic pressure sensitive layer, is release layer I on the upper layer of acrylic pressure sensitive layer, substrate layer lower layer is coated with silicon
Glue pressure sensitive adhesive is silica gel varistor layer, is release layer II in the lower layer of silica gel varistor layer.AB glue is obtained by following steps:
Step 1: it is coated with silica gel on one of surface of substrate layer, toasts after 1min solidifies and obtains in 140 DEG C of baking ovens
Silica gel varistor layer is obtained, substrate layer is PET film, with a thickness of 25um-100um, preferably 38um；The silica gel varistor layer includes:
50 parts of height glue AF glue, 45 parts of low viscous AF glue；And it is calculated based on the viscous and low viscous AF glue mixture of 100 parts of height, 1 part of anchoring
Agent, 1 part of crosslinking agent and 1.5 parts of platinum catalyst；The solid content of the silica gel varistor layer before curing is 35%；
Step 2: in the pressure-sensitive layer surface fitting release film II, release layer II of silica gel with a thickness of 25um-100um, preferably
50um；
Step 3: by the coated with acrylic pressure sensitive glue between another surface of substrate layer and the release layer I, black
Irradiate 8min solidification under light lamp, obtain five-layer structure, acrylic pressure sensitive layer with a thickness of 200um-500um, preferably 430um,
Acrylic acid Asia photosensitive layer is 1000-5000gf/25mm, preferably 1500 gf/25mm to the adhesion strength of glass, and the acrylic acid is sub-
Photosensitive layer is 30-1000gf/25mm to the adhesion strength of SUS steel plate, and the composition of the acrylic pressure sensitive layer includes: equal to or less than 5
The hydroxyl functional monomers of part, 100 parts of alkyl acrylates, the alkyl acrylate includes 2-EHA, third
Any one or more combination in the different monooctyl ester of olefin(e) acid, isobornyl acrylate；Release layer I with a thickness of 25um-100um, it is excellent
It is selected as 100um.
Below in conjunction with specific embodiment, the present invention is further illustrated, but the scope of the present invention is not limited to these
Embodiment.
Embodiment 1
It is a kind of can heavy industry 3D bend glass AB glue, including one layer of substrate layer, substrate layer upper layer is bonded acrylic pressure sensitive
Glue, acrylate pressure sensitive adhesive upper layer are release layer I, and substrate layer lower layer is coated with silica gel pressure sensitive adhesive, and silica gel pressure sensitive adhesive lower layer is release layer
II, overall thickness 418um.It is specific as follows: release layer I with a thickness of 100um, acrylic pressure sensitive layer is with a thickness of 200um, PET base
Material layer with a thickness of 38um, silica gel varistor layer with a thickness of 30um, release layer II with a thickness of 50um, selected acrylic pressure sensitive layer is to glass
The adhesion strength of glass is 1500gf/25mm.
Embodiment 2
It is a kind of can heavy industry 3D bend glass AB glue, including one layer of substrate layer, substrate layer upper layer is bonded acrylic pressure sensitive
Glue, acrylate pressure sensitive adhesive upper layer are release layer I, and substrate layer lower layer is coated with silica gel pressure sensitive adhesive, and silica gel pressure sensitive adhesive lower layer is release layer
II, overall thickness 655um.It is specific as follows: release layer I with a thickness of 100um, acrylic pressure sensitive layer is with a thickness of 500um, PET base
Material layer with a thickness of 75um, silica gel varistor layer with a thickness of 30um, release layer II with a thickness of 50um, selected acrylic pressure sensitive layer is to glass
The adhesion strength of glass is 1500gf/25mm.
Embodiment 3
It is a kind of can heavy industry 3D bend glass AB glue, including one layer of substrate layer, substrate layer upper layer is bonded acrylic pressure sensitive
Glue, acrylate pressure sensitive adhesive upper layer are release layer I, and substrate layer lower layer is coated with silica gel pressure sensitive adhesive, and silica gel pressure sensitive adhesive lower layer is release layer
II, overall thickness 648um.It is specific as follows: release layer I with a thickness of 100um, acrylic pressure sensitive layer is with a thickness of 430um, PET base
Material layer with a thickness of 38um, silica gel varistor layer with a thickness of 30um, release layer II with a thickness of 50um, selected acrylic pressure sensitive layer is to glass
The adhesion strength of glass is 1500gf/25mm.
Embodiment 4
It is a kind of can heavy industry 3D bend glass AB glue, including one layer of substrate layer, substrate layer upper layer is bonded acrylic pressure sensitive
Glue, acrylate pressure sensitive adhesive upper layer are release layer I, and substrate layer lower layer is coated with silica gel pressure sensitive adhesive, and silica gel pressure sensitive adhesive lower layer is release layer
II, overall thickness 635um.It is specific as follows: release layer I with a thickness of 100um, acrylic pressure sensitive layer is with a thickness of 430um, PET base
Material layer with a thickness of 25um, silica gel varistor layer with a thickness of 30um, release layer II with a thickness of 50um, selected acrylic pressure sensitive layer is to glass
The adhesion strength of glass is 1500gf/25mm.
Embodiment 5
It is a kind of can heavy industry 3D bend glass AB glue, including one layer of substrate layer, substrate layer upper layer is bonded acrylic pressure sensitive
Glue, acrylate pressure sensitive adhesive upper layer are release layer I, and substrate layer lower layer is coated with silica gel pressure sensitive adhesive, and silica gel pressure sensitive adhesive lower layer is release layer
II, overall thickness 685um.It is specific as follows: release layer I with a thickness of 100um, acrylic pressure sensitive layer is with a thickness of 430um, PET base
Material layer with a thickness of 75um, silica gel varistor layer with a thickness of 30um, release layer II with a thickness of 50um；Selected acrylic pressure sensitive layer is to glass
The adhesion strength of glass is 1500gf/25mm.
Embodiment 6
It is a kind of can heavy industry 3D bend glass AB glue, including one layer of substrate layer, substrate layer upper layer coated with acrylic pressure sensitive
Glue, acrylate pressure sensitive adhesive upper layer are release layer I, and substrate layer lower layer is coated with silica gel pressure sensitive adhesive, and silica gel pressure sensitive adhesive lower layer is release layer
II, overall thickness 418um.It is specific as follows: release layer I with a thickness of 100um, acrylic pressure sensitive layer is with a thickness of 200um, PET base
Material layer with a thickness of 38um, silica gel varistor layer with a thickness of 30um, release layer II with a thickness of 50um, selected acrylic pressure sensitive layer is to glass
The adhesion strength of glass is 5000gf/25mm.
Embodiment 7
It is a kind of can heavy industry 3D bend glass AB glue, including one layer of substrate layer, substrate layer upper layer is bonded acrylic pressure sensitive
Glue, acrylate pressure sensitive adhesive upper layer are release layer I, and substrate layer lower layer is coated with silica gel pressure sensitive adhesive, and silica gel pressure sensitive adhesive lower layer is release layer
II, overall thickness 418um.It is specific as follows: release layer I with a thickness of 100um, acrylic pressure sensitive layer is with a thickness of 200um, PET base
Material layer with a thickness of 38um, silica gel varistor layer with a thickness of 30um, release layer II with a thickness of 50um, selected acrylic pressure sensitive layer is to glass
The adhesion strength of glass is 5000gf/25mm.
Comparative example 1
It is a kind of can heavy industry 3D bend glass AB glue, including one layer of substrate layer, substrate layer upper layer is bonded acrylic pressure sensitive
Glue, acrylate pressure sensitive adhesive upper layer are release layer I, and substrate layer lower layer is coated with silica gel pressure sensitive adhesive, and silica gel pressure sensitive adhesive lower layer is release layer
II, overall thickness 668um.It is specific as follows: release layer I with a thickness of 100um, acrylic pressure sensitive layer is with a thickness of 430um, PET base
Material layer with a thickness of 38um, silica gel varistor layer with a thickness of 50um, release layer II with a thickness of 50um, selected acrylic pressure sensitive layer is to glass
The adhesion strength of glass is 1500gf/25mm.
Table 1 is each embodiment data
| The name of an article | White edge | Rebound | Heavy industry |
| Embodiment 1 | Have | Have | Ok |
| Embodiment 2 | Nothing | Have | Ok |
| Embodiment 3 | Nothing | Nothing | Ok |
| Embodiment 4 | Nothing | Nothing | Ok |
| Embodiment 5 | Have | Have | Ok |
| Embodiment 6 | Have | Have | NG |
| Embodiment 7 | Have | Have | NG |
| Comparative example 1 | Nothing | Nothing | Ok |
As can be known from Table 1, as adhesion strength≤1500gf/25mm of acrylic pressure sensitive glue-line, there is preferable heavy industry
Can, if adhesion strength is greater than 5000, just do not have heavy industry performance；It can be prevented when the overall thickness of adhesive tape reaches 485um white
Side and fitting mobile phone screen is avoided to have a rebound, while if selected base material thickness is greater than 50um, after being bonded mobile phone screen
It is easy to appear rebounds, so needing to select 50um and 50um thickness substrate below.
In conclusion it is of the present invention can heavy industry 3D tempering film AB double-sided adhesive and preparation method thereof, pass through raising
The thickness of acrylate pressure sensitive adhesive glue-line and avoided using can adapt to the silica gel with AF effect screen fitting during occur
White edge and rebound, can be realized tempering film and 3D screen completely attaches to, without white edge after fitting, while by improving acrylic acid
The viscosity of pressure-sensitive adhesive layer realizes heavy industry performance, can be improved the utilization rate that 3D in production process protects glass.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (9)
1. one kind can heavy industry 3D tempering film AB double-sided adhesive, it is characterised in that: including five-layer structure, be followed successively by from top to bottom from
Type layer I, acrylic pressure sensitive layer, substrate layer, silica gel varistor layer and release layer II, preparation method are:
It is coated with silica gel on a surface of the substrate layer, acquisition silica gel is pressure-sensitive after 1min solidification is toasted in 140 DEG C of baking ovens
Layer；
It is bonded release film II in the pressure-sensitive layer surface of the silica gel, forms release layer II；
The coated with acrylic pressure sensitive glue between another surface and the release layer I of the substrate layer, irradiates under black light lamp
8min solidification, obtains five-layer structure.
2. it is according to claim 1 can heavy industry 3D tempering film AB double-sided adhesive, it is characterised in that: the release layer I's
With a thickness of 25um-100um.
3. it is according to claim 1 can heavy industry 3D tempering film AB double-sided adhesive, it is characterised in that: the acrylic pressure sensitive
Layer with a thickness of 200um-500um, acrylic acid Asia photosensitive layer is 1000-5000 gf/25mm to the adhesion strength of glass, described
Acrylic acid Asia photosensitive layer is 30-1000 gf/25mm to the adhesion strength of SUS steel plate.
4. it is according to claim 1 can heavy industry 3D tempering film AB double-sided adhesive, it is characterised in that: the acrylic pressure sensitive
The composition of layer includes: equal to or less than 5 parts of hydroxyl functional monomers, 100 parts of alkyl acrylates, the alkyl acrylate
Including any one or more combination in acrylic acid 2- ethylhexyl, Isooctyl acrylate monomer, isobornyl acrylate.
5. it is according to claim 1 can heavy industry 3D tempering film AB double-sided adhesive, it is characterised in that: the material of the substrate layer
Matter is PET film, with a thickness of 25um-100um.
6. it is according to claim 1 can heavy industry 3D tempering film AB double-sided adhesive, it is characterised in that: the silica gel varistor layer
With a thickness of 20-50um.
7. it is according to claim 6 can heavy industry 3D tempering film AB double-sided adhesive, it is characterised in that: the silica gel varistor layer
Include: 50 parts of height glue AF glue, 45 parts of low viscous AF glue；And it is calculated based on the viscous and low viscous AF glue mixture of 100 parts of height, 1
Part Anchor Agent, 1 part of crosslinking agent and 1.5 parts of platinum catalyst.
8. it is according to claim 6 can heavy industry 3D tempering film AB double-sided adhesive, it is characterised in that: the silica gel varistor layer
Solid content before curing is 35%.
9. it is according to claim 1 can heavy industry 3D tempering film AB double-sided adhesive, it is characterised in that: the release layer II's
With a thickness of 25um-100um.
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| CN201910721048.4A CN110408343A (en) | 2019-08-06 | 2019-08-06 | It is a kind of can heavy industry 3D tempering film AB double-sided adhesive and preparation method thereof |
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|---|---|---|---|---|
| US6521309B1 (en) * | 1999-11-11 | 2003-02-18 | Tyco Adhesives Lp | Double-sided single-liner pressure-sensitive adhesive tape |
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-
2019
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| CN109880584A (en) * | 2019-02-22 | 2019-06-14 | 深圳市康利邦科技有限公司 | A kind of organic pressure-sensitive gel for AF anti-fingerprint screen |
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|---|
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Application publication date: 20191105 |
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| RJ01 | Rejection of invention patent application after publication |