CN106520006B - A kind of mobile lens small size surface protection film - Google Patents
A kind of mobile lens small size surface protection film Download PDFInfo
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- CN106520006B CN106520006B CN201611057904.3A CN201611057904A CN106520006B CN 106520006 B CN106520006 B CN 106520006B CN 201611057904 A CN201611057904 A CN 201611057904A CN 106520006 B CN106520006 B CN 106520006B
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C09J155/00—Adhesives based on homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C09J123/00 - C09J153/00
- C09J155/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
-
- 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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
-
- 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
- C09J2455/00—Presence of ABS
-
- 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
- C09J2455/00—Presence of ABS
- C09J2455/006—Presence of ABS 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
- C09J2475/00—Presence of polyurethane
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention provides a kind of mobile lens surface protection film; its structure be from top to bottom successively include: nonpolluting coating (1), adhesion promoting layer (2), polymer film layer (3), adhesion promoting layer (2 '), outer ring water absorbent adhesive layer (4) and release liner (5); wherein polymer film layer (3) is ABS film, with a thickness of 80-150 μm.Outer ring water absorbent adhesive layer (4) outer edge region (A) and interior zone (B), wherein the area of interior zone (B) accounts for the 80-90% of outer ring water absorbent adhesive layer (4) area.The present invention solves the problems, such as that camera lens is easy to pollute, non-watertight and paving is difficult, has the excellent properties such as excellent soil resistance (hydro-oleophobicity), waterproofness, low residual amt, paving.
Description
Technical field
The present invention relates to surface protection film fields, and in particular to a kind of mobile lens surface protection film field especially relates to
And mobile lens small size surface protection film field.
Background technique
With the development of science and technology the popularity rate of mobile phone is gradually increased, mobile phone all has camera function, the dirt of mobile lens
Dye, the situation intake from camera lens gradually increases, but how to be protected to camera lens part and cause scientific worker not yet
Attention, the prior art rarely have for mobile lens protection report.Utility model 201521009639.2 reports a Xiang Jing
Head protection film is primarily upon modification of the structure improvement to excessive glue performance, is not related to the above problem.
Based on the above issues, present invention applicant conducts in-depth research, which kind of passes through mainly for being to solve
Structure is improved, and can be found a synthesis and is reached camera lens is avoided to pollute, the protective film of water inlet and daily protection from camera lens, and
Careful innovative research has been carried out, technical solution of the present invention is obtained.
Summary of the invention
Goal of the invention: to solve the above-mentioned problems, the present invention passes through the selection and transformation of structure and each layer component, to anti-
The anti-blu-ray layer of dirty coating, polymer film layer, adhesion promoting layer, the selection of the thickness of adhesive phase, the selection of composition, solve mobile phone
The problem of camera lens surface soiling, adhesiveness;Meanwhile adhesive phase is according to the different needs for using fringe region and interior zone,
The selection with different specific compositions and interior side dimension is selected, the technical effect for stablizing bonding and waterproof is had also achieved.
Meanwhile using the ABS resin film of thin size, flexibility, translucency are had both, reaches good using effect and paving effect
Fruit.
The technical solution for solving above-mentioned technical problem is as follows:
A kind of mobile lens small size surface protection film, it is characterised in that: the surface protection film successively wraps from top to bottom
It includes: nonpolluting coating 1, adhesion promoting layer 2, polymer film layer 3, adhesion promoting layer 2 ', outer ring water absorbent adhesive layer 4 and release liner 5,
Middle polymer film layer 3 is ABS film, with a thickness of 80-150 μm.
Polymer film selection
Polymer film 3 is to realize that protective film has an important factor for good paving performance in the surface protection film, the shadow
The thickness for being originated from thin polymer film and its composition are rung, this application claims it with certain thickness, but unsuitable blocked up, preferred model
Enclose is 80-150 μm.When polymer film thickness is smaller, surface protection film-strength is lower, better than being typically recessed back at camera lens
It is to be easy to happen to be unable to paving to the edge of camera lens groove in paving, it is difficult to paving if intensity is lower in plate.If thickness
It is larger, it will increase the overall thickness of surface protection film, influence translucency, what surface protection film was pursued is high light transmittance, while if
Size is blocked up, easily peelable in use if filling up full camera lens groove, and collision or friction in use energetically is easy
Make its tilting, is not suitable for being used for a long time.
Selection for its material will integrate flexibility and translucency, and ABS becomes its optimal selection;This field is normal
Although PC, PMMA have good light transmittance, hardness is excessive, is not suitable for using;And the materials such as common PE, PP,
Flexible too strong, paving is inconvenient.ABS has had both flexibility, translucency, and thickness in summary, can balance surface protection
Film paving and translucency.
The selection of adhesive phase
As optimal technical scheme, the outer ring water absorbent adhesive layer 4 outer edge region A and interior zone B, wherein in
The area of portion region B accounts for the 80-90% of 4 area of outer ring water absorbent adhesive layer, and the outer edge region A is outside surface protection film
Side forms ring-type.
A central inventive point of the invention is that outside selects the adhesive phase of different compositions in adhesive phase, wherein
Outer edge region A has good cementability to camera lens, can improve and use to avoid the collision in use process once in a while with regard to alice
Duration, meanwhile, in composition design, wherein joined a large amount of acrylic acid, which raises the water imbibitions of adhesive, can be in short-term
Between absorb moisture, avoid the water in routine use and enter camera lens;Interior zone B is smaller to the adhesion strength of glass, guarantee and mirror
Head can be closely adhered to, and not generate bubble, since adhesion strength is smaller, basic noresidue, and it is less to the absorption of light.
The 4 outer edge region A of outer ring water absorbent adhesive layer is coated using adhesive A as a preferred technical solution,
It obtaining, described adhesive A includes: urethane acrylate 20-42 parts by weight, the acrylate 15-25 parts by weight of hydroxyl, and third
Olefin(e) acid 15-28 parts by weight, crosslinking agent 3-5 parts by weight, coupling agent 5-8 parts by weight, photoinitiator 0.2-0.8 parts by weight, levelling agent
0.5-2 parts by weight, solvent 30-100 parts by weight.It uses higher coupling agent in forming, and contains highly polar hydroxyl third
Olefin(e) acid ester and acrylic acid, synthesis improve the adhesiveness of adhesive A;Meanwhile highly polar hydroxy acrylate and acrylic acid
Adhesive can be assigned with strong absorptive, may be implemented quickly to absorb, surface moisture enters camera lens;Meanwhile acrylic acid and hydroxyl
Two components of acrylate be it is necessary, hydroxy acrylate is that water imbibition can be improved, after being reacted with crosslinking agent assign bonding
Agent A certain intensity, and water-retaining property is excellent;Acrylic acid contains a large amount of carboxyl, and water imbibition is strong and fast;The two assigns bonding respectively
Agent A is with different performances.The dosage of three kinds of monomers is all that the effect according to it played in camera lens carries out in adhesive composition
What adjustment obtained.
In another optimal technical scheme, the 4 interior zone B of outer ring water absorbent adhesive layer is coated using adhesive B
It obtains, described adhesive B includes: urethane acrylate 10-25 parts by weight, and the acrylate 10-15 parts by weight of hydroxyl are handed over
Join agent 1-3 parts by weight, coupling agent 1-3 parts by weight, photoinitiator 0.2-0.8 parts by weight, levelling agent 0.5-2 parts by weight, solvent 30-
100 parts by weight.It guarantees that adhesive B has certain intensity in forming, and can be steadily contacted with camera lens, be not likely to produce bubble,
But there should not be excessive adhesion strength, avoid after removing that there are traces.
In the present invention, the outer ring water absorbent adhesive layer 4 outer edge region A and interior zone B, wherein interior zone B
Area account for the 80-90% of 4 area of outer ring water absorbent adhesive layer.The selection of interior zone dosage is since adhesive A exists
A large amount of coupling agent, be can there are unconspicuous trace, in order to guarantee not to be affected in the middle part of camera lens, therefore to its protection scope into
Selection is gone, interior zone is unsuitable too small;If fringe region is too small, paving rear stability is insufficient, and due to adhesive A content
Few, water absorption is waited a moment less.
The selection of stain-proofing layer
As optimal technical scheme, the nonpolluting coating is solidified to obtain the antifouling paint to include following heavy by antifouling paint
Measure the raw material of part: epoxy acrylate 20-40 parts by weight, photoinitiator 0.1-3 parts by weight, levelling agent 0.5-2 parts by weight are hydrophobic
Agent 2-8 parts by weight, coupling agent 0.5-4 parts by weight, solvent 50-80 parts by weight.
The hydrophobing agent is that silicon fluoride handles array carbon nano tube film, with hydro-oleophobicity.In the prior art
Through being reported, but rarely it is applied to coating level, the consistency problem being related between each component influences hydrophobic oleophobic
Effect.
It also can according to need settable one layer of release liner on the outside of stain-proofing layer.
The selection of adhesion promoting layer
As optimal technical scheme, the adhesion promoting layer 2 and the composition of adhesion promoting layer 2 ' are tackifier identical, that adhesion promoting layer uses
Composition are as follows: maleic anhydride modified ABS 10-22 parts by weight, copolymer of maleic anhydride and acrylic acid 8-15 parts by weight, 3- (methyl-prop
Alkene acyl-oxygen) propyl trimethoxy silicane 2-5 parts by weight, solvent 30-45 parts by weight.
The composition selection of this layer is the adhesion strength in order to improve polymer film layer ABS film and stain-proofing layer, adhesive phase,
In adhesion promoting layer, using the maleic anhydride modified ABS and maleic acid crossed with acrylic, ABS with excellent compatibility
Acid anhydride-acrylic copolymer can be used as a kind of interlayer compatilizer, meanwhile, coupling agent was used, was further increased compatible
Property.
The relationship of each thickness degree
Present invention defines the thickness between different layers, preferably, described 20-50 μm of 1 thickness of nonpolluting coating, institute
Stating adhesion promoting layer 2 and 2 ' thickness of adhesion promoting layer is 10-30 μm, the polymer film layer 3 with a thickness of 100-120 μm, the outer ring
Water absorbent adhesive layer 4 is with a thickness of 80-150 μm.It is the nonpolluting coating 1, adhesion promoting layer 2, polymer film layer 3, adhesion promoting layer 2 ', outer
The overall thickness of water absorbent adhesive layer 4 is enclosed less than 350 μm.
The selection of thickness in the present invention between each layer is to select as far as possible thin while guaranteeing basic performance, is avoided
Each thickness spends big influence translucency and paving performance.Meanwhile in order to enhance the combination between each layer, the present invention can also pass through
Sided corona treatment is carried out to polymer film layer, improves the active force between interface.
Beneficial technical effect
The present invention is by the transformation of structure, to the thickness of nonpolluting coating, polymer film layer, adhesion promoting layer, adhesive phase
The selection of thickness, the selection of composition, solve the problems, such as antifouling lens protection film, waterproof and paving;Meanwhile adhesive phase root
According to the different needs for using fringe region and interior zone, the choosing with different specific compositions and interior side dimension is selected
It selects, has also achieved the technical effect for stablizing bonding, adhesive-free residual, quickly absorbing water.Meanwhile it is thin using the ABS of specific thicknesses
The paving success rate of surface protection film can be improved in film.
Detailed description of the invention:
Fig. 1 is the sectional view of surface protection film,
Wherein, 1 it is nonpolluting coating, 2 adhesion promoting layers, 3 polymer film layers, 2 ' be adhesion promoting layer, 4 is outer ring water absorbent adhesive
Layer, 5 are release liner.
Fig. 2 is the top view of outer ring water absorbent adhesive layer,
Wherein, A is fringe region, and B is interior zone.
Specific embodiment
The principles and features of the present invention are described below, and example is only intended to explain the present invention, is not intended to
It limits the scope of the invention.Following preparation example and the unit of each raw material of embodiment are parts by weight.
Preparation example
1. antifouling paint
Antifouling paint A | Antifouling paint B | Antifouling paint C | |
Epoxy acrylate | 30 | 30 | 30 |
Urethane acrylate | 0 | 0 | 0 |
Photoinitiator | 1.5 | 1.5 | 1.5 |
Levelling agent | 0.7 | 0.7 | 0.7 |
Silicon fluoride handles array carbon nano tube film | 5 | 0 | 0 |
Array carbon nano tube | 0 | 5 | 0 |
Carbon nanotube | 0 | 0 | 5 |
Coupling agent | 0.8 | 0.8 | 0.8 |
Solvent | 62 | 62 | 62 |
2. adhesive
3. tackifier
Tackifier A: maleic anhydride modified 18 parts by weight of ABS, 12 parts by weight of copolymer of maleic anhydride and acrylic acid, 3- (first
Base acryloyl-oxy) 5 parts by weight of propyl trimethoxy silicane, 40 parts by weight of solvent.
Tackifier B:Maleic anhydride modified 30 parts by weight of ABS, 0 parts by weight of copolymer of maleic anhydride and acrylic acid, 3- (methyl
Acryloyl-oxy) 5 parts by weight of propyl trimethoxy silicane, 40 parts by weight of solvent.
Tackifier C:Maleic anhydride modified 0 parts by weight of ABS, 30 parts by weight of copolymer of maleic anhydride and acrylic acid, 3- (methyl
Acryloyl-oxy) 5 parts by weight of propyl trimethoxy silicane, 40 parts by weight of solvent.
Embodiment
Embodiment 1
The adhesion promoting layer 2 and thickening of 20 μ m-thicks are obtained in the obverse and reverse coating tackifier of 100 μm of thickness of ABS films 3
Layer 2 ', coating antifouling paint A solidifies to obtain the nonpolluting coating 1 of 30 μ m-thicks on 2 surface of adhesion promoter, in 2 ' surface outer ring of adhesion promoting layer
Coating adhesive A 1 (outer ring area account for film layer area 15%), interior zone coat adhesive B1, the bonding of outer ring water imbibition
For oxidant layer with a thickness of 100 μm, outer ring water absorbent adhesive layer surface covers release liner, and release liner obtains 330 with a thickness of 80 μm
The surface protection film of μ m thick.
Comparative example 1-2
The antifouling paint A in antifouling paint B and C alternative embodiment 1 is respectively adopted, obtains surface protection film.
Comparative example 3 and 4
The adhesive A 1 in adhesive A 2 and A3 alternative embodiment 1 is respectively adopted, obtains surface protection film.
Comparative example 5
Using the adhesive B1 in adhesive B2 alternative embodiment 1, surface protection film is obtained.
Comparative example 6
Using the adhesive A 1 in adhesive B1 alternative embodiment 1, surface protection film is obtained.
Comparative example 7
Using the adhesive B1 in 1 alternative embodiment 1 of adhesive A, surface protection film is obtained.
Comparative example 8-9
The tackifier A in tackifier B and C alternative embodiment 1 is respectively adopted, obtains surface protection film.
Comparative example 10 and 11
ABS film in 60 μm and 200 μm of thickness of ABS film alternative embodiment 1 is respectively adopted, obtains surface protection film.
Comparative example 12
Using ABS film in the PE alternative embodiment 1 of condition of equivalent thickness, surface protection film is obtained.
Test method
1. soil resistance is tested
The surface protective plate of embodiment or comparative example is measured using contact angle instrument respectively and is connect with water and soybean oil
Feeler, and keep a record respectively.
2. residual contamination is tested
The surface protective plate of embodiment or comparative example is pasted on the glass with antireflection film, it is small to place 1 at 160 DEG C
Shi Hou, after 23 DEG C of placements, 30 minutes return room temperatures, in 23 DEG C of removing surface protective plates, bonding agent of the range estimation confirmation on glass
Residual caused by the presence or absence of pollution.
A: pollution caused by the bonding agent residual on glass is not confirmed after surface protective plate removing.
B: partial region confirms a small amount of caused by the bonding agent on glass remains on a small quantity after surface protective plate removing
Pollution.
C: most of region confirms pollution caused by the residual of the bonding agent on glass after surface protective plate removing.
D: the bonding agent for confirming on glass after surface protective plate removing, which seriously remains, to be caused seriously to pollute.
3.Tilt test
The surface protective plate of embodiment or comparative example is attached on the substrate of diameter 2cm, is carried out using 50g from 10cm height
Freely falling body impact has checked whether tilting behind the edge for the substrate for posting surface protection film, drippage 20 times.
A: tilting is not observed
B: unobvious tilting is observed;
C: apparent tilting is observed.
4. paving is tested
Random selected 20 professional pad pasting practitioner, (is suitable for 20 cun of screens for embodiment and comparative example surface protection film
Curtain), it records and occurs out-of-flatness in each sample test or do not paste neat number.
A.0-3 people goes wrong
B.4-8 people goes wrong
C.9 people appears above problem
5. surface protective plate water resistance test
Blue water color developing agent is added at the intermediate position of embodiment 1 and comparative example 1-12, developing time (s) occurs in record
6. adhesive A water imbibition is tested
Respectively each 1g of taking adhesive A1, A2 and A3, immerse enough water in 1min, take out, dry after weigh, record weight w,
Its water absorbent rate is calculated as (w-1)/1.
Test result
1. adhesive A water imbibition test result
Adhesive A 1 | Adhesive A 2 | Adhesive A 3 | |
Water absorbent rate | 2.8 | 0.4 | 3.9 |
2. other test results
By above-mentioned data it can be found that the surface protection film that the present invention protects has excellent soil resistance (hydrophobic oleophobic
Property), waterproofness, low residual amt, the excellent properties such as paving, the selection of each component and the selection of parameter be all selection deliberately and
Experiment obtains.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of mobile lens small size surface protection film, it is characterised in that: the surface protection film successively includes: from top to bottom
Nonpolluting coating (1), adhesion promoting layer (2), polymer film layer (3), adhesion promoting layer (2 '), outer ring water absorbent adhesive layer (4) and removing
It pads (5), wherein polymer film layer (3) is ABS film, with a thickness of 80-150 μm;
The nonpolluting coating (1) is solidified to obtain by antifouling paint, and the antifouling paint includes the raw material of following parts by weight: epoxy third
Olefin(e) acid ester 20-40 parts by weight, photoinitiator 0.1-3 parts by weight, levelling agent 0.5-2 parts by weight, hydrophobing agent 2-8 parts by weight, coupling
Agent 0.5-4 parts by weight, solvent 50-80 parts by weight;
The outer ring water absorbent adhesive layer (4) is divided into outer edge region (A) and interior zone (B), wherein interior zone (B)
Area accounts for the 80-90% of outer ring water absorbent adhesive layer (4) area, and the outer edge region (A) is formed on the outside of surface protection film
It is cyclic annular;
Outer ring water absorbent adhesive layer (4) outer edge region (A) coats to obtain using adhesive A, described adhesive A packet
Include: urethane acrylate 20-42 parts by weight, the acrylate 15-25 parts by weight of hydroxyl, acrylic acid 15-28 parts by weight are handed over
Join agent 3-5 parts by weight, coupling agent 5-8 parts by weight, photoinitiator 0.2-0.8 parts by weight, levelling agent 0.5-2 parts by weight, solvent 30-
100 parts by weight.
2. mobile lens as described in claim 1 small size surface protection film, it is characterised in that: the hydrophobing agent is fluorine silicon
Alkane handles array carbon nano tube film, with hydro-oleophobicity.
3. mobile lens as described in claim 1 small size surface protection film, it is characterised in that: the adhesion promoting layer (2) and
Adhesion promoting layer (2 ') composition is identical, tackifier composition used in adhesion promoting layer preparation are as follows: maleic anhydride modified ABS 10-22 weight
Measure part, copolymer of maleic anhydride and acrylic acid 8-15 parts by weight, 3- (methacryloxypropyl) propyl trimethoxy silicane 2-5 weight
Measure part, solvent 30-45 parts by weight.
4. mobile lens as claimed in claim 2 small size surface protection film, it is characterised in that: the outer ring water imbibition is viscous
Mixture layer (4) interior zone (B) coats to obtain using adhesive B, and described adhesive B includes: urethane acrylate 10-25 weight
Measure part, the acrylate 10-15 parts by weight of hydroxyl, crosslinking agent 1-3 parts by weight, coupling agent 1-3 parts by weight, photoinitiator 0.2-
0.8 parts by weight, levelling agent 0.5-2 parts by weight, solvent 30-100 parts by weight.
5. mobile lens as described in claim 1 small size surface protection film, it is characterised in that: the nonpolluting coating (1)
20-50 μm of thickness, the adhesion promoting layer (2) and adhesion promoting layer (2 ') thickness are 10-30 μm, polymer film layer (3) thickness
It is 100-120 μm, the outer ring water absorbent adhesive layer (4) is with a thickness of 80-150 μm.
6. mobile lens as described in claim 1 small size surface protection film, it is characterised in that: the nonpolluting coating (1),
Adhesion promoting layer (2), polymer film layer (3), adhesion promoting layer (2 '), outer ring water absorbent adhesive layer (4) overall thickness less than 350 μm.
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CN109401657A (en) * | 2018-10-11 | 2019-03-01 | 斯迪克新型材料(江苏)有限公司 | For camber display screen can heavy industry rupture pressure disc |
EP3936583A1 (en) * | 2020-06-05 | 2022-01-12 | W. L. Gore & Associates, Inc. | Articles comprising adhesive membranes with improved geometry and water entry pressure |
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