CN109456713A - A kind of ABS screen protecting film and preparation method thereof - Google Patents
A kind of ABS screen protecting film and preparation method thereof Download PDFInfo
- Publication number
- CN109456713A CN109456713A CN201811567906.6A CN201811567906A CN109456713A CN 109456713 A CN109456713 A CN 109456713A CN 201811567906 A CN201811567906 A CN 201811567906A CN 109456713 A CN109456713 A CN 109456713A
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- Prior art keywords
- layer
- abs
- silica gel
- film
- temperature setting
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- 238000002360 preparation method Methods 0.000 title abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000741 silica gel Substances 0.000 claims abstract description 33
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 229920002635 polyurethane Polymers 0.000 claims abstract description 25
- 239000004814 polyurethane Substances 0.000 claims abstract description 25
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 24
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 239000006210 lotion Substances 0.000 claims abstract description 19
- 229920005672 polyolefin resin Polymers 0.000 claims abstract description 17
- 230000037452 priming Effects 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 116
- 238000000576 coating method Methods 0.000 claims description 30
- 239000011248 coating agent Substances 0.000 claims description 29
- 239000003292 glue Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 19
- 230000001681 protective effect Effects 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 16
- 239000010703 silicon Substances 0.000 claims description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 238000007774 anilox coating Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 239000002966 varnish Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 239000000499 gel Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 238000005496 tempering Methods 0.000 abstract description 9
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 238000010907 mechanical stirring Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- 239000013032 Hydrocarbon resin Substances 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical class CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000006116 anti-fingerprint coating Substances 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920006270 hydrocarbon resin Polymers 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 150000004291 polyenes Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000003678 scratch resistant effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000013040 bath agent Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- 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
- C09J7/29—Laminated material
-
- 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
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—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
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- 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
- C09J7/50—Adhesives in the form of films or foils characterised by a primer layer between the carrier and the adhesive
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of ABS screen protecting films and preparation method thereof; it is related to screen protection technical field of membrane; the screen protecting film successively includes the polyurethane acrylic resin hardened layer being superimposed together, ABS substrate layer, polyolefin resin lotion priming coat, low-temperature setting layer of silica gel; in use, low-temperature setting layer of silica gel can be directly bonded with by protection screen.For this kind of screen protecting film relative to PET protection film, it possesses good stiffness and shock resistance.Tempering film is compared, the screen protection film production process work in the present invention is simple, and production cost is lower, so as to effectively solve the deficiency of two kinds of screen protecting films.
Description
Technical field
The present invention relates to screen protection technical field of membrane, a kind of ABS screen protecting film and preparation method thereof is referred in particular to.
Background technique
In the prior art, the safeguard film for cellular phone of commercial type is largely tempering film and PET protection film.In conjunction with Fig. 1, figure
2, wherein the layer structure of tempering film successively includes the anti-fingerprint coating 11 being superimposed together, toughened glass layer 12, OCA glue
Layer 13, PET base material layer 14, layer of silica gel 15, PET release film layer 16, the layer structure of PET protection film successively includes being superimposed together
PET protection film layer 21, hardening coat 22, PET base material layer 23, layer of silica gel 24, PET release film layer 25.Although PET protection film is easy
In production, cost is relatively low, but due to the limitation of its material, its impact resistance and durability will be relatively weak；And it compares
The performance of PET protection film, tempering film outclass PET protection film, its scratch resistant grade is high, and drop resistant is durable, can be well protected mobile phone
Screen.But general tempering film does not accomplish that entire screen is completely covered, and has been easy white edge, and its production technology is complicated, mistake
Journey is tediously long, higher cost.In addition, the temperature of above-mentioned two Product Process demand is all higher.
Summary of the invention
The technical problems to be solved by the present invention are: how in summary advantage and disadvantage of two kinds of screen protecting films, form one
Novel screen protecting film.
In order to solve the above-mentioned technical problem, the invention discloses a kind of ABS screen protecting film, which is successively wrapped
Include the polyurethane acrylic resin hardened layer being superimposed together, ABS substrate layer, polyolefin resin lotion priming coat, low-temperature setting
Layer of silica gel, in use, low-temperature setting layer of silica gel can be directly bonded with by protection screen.
In further embodiment, the ABS screen protecting film successively includes the PET base material layer being superimposed together, organic
Silicon pressure-sensitive adhesive layer, the polyurethane acrylic resin hardened layer, the ABS substrate layer, the polyolefin resin lotion priming coat,
The low-temperature setting layer of silica gel, non-silicon PET release film layer.
In further embodiment, the PET base material layer is with a thickness of 15-75 μm.
In further embodiment, the organic pressure-sensitive gel layer is with a thickness of 5-15 μm.
In further embodiment, the polyurethane acrylic resin thin hardened layer is 3-4 μm.
In further embodiment, the ABS substrate layer is with a thickness of 150-200 μm.
In further embodiment, the polyolefin resin lotion primer thickness is 2-3 μm.
In further embodiment, the low-temperature setting layer of silica gel is with a thickness of 25-35 μm.
In further embodiment, the non-silicon PET release film layer is with a thickness of 25-75 μm.
In addition, also disclosing a kind of production method of ABS screen protecting film, which specifically includes following step
It is rapid:
S1, configuration coating and glue, are respectively configured out the hardening bath of property of water-bearing polyurethane acrylic resin varnish, contain polyene
The primary coat of hydrocarbon resin lotion, the glue of the silica gel containing low-temperature setting；
S2, coating, it is hard to form polyurethane acrylic resin for even spread hardening bath and hardening in the one side of ABS substrate layer
Change layer, on the another side of ABS substrate layer even spread primary coat and dry form polyolefin resin lotion priming coat, in polyolefin
It is coated glue on resin emulsion base coating surface and dries and forms low-temperature setting layer of silica gel；
S3, protective film and release film are pasted, pastes by PET base material layer and have in polyurethane acrylic resin hardening layer surface
The protective film that machine silicon pressure-sensitive adhesive layer is formed, pastes non-silicon PET release film layer in low-temperature setting silica gel layer surface.
In further embodiment, further includes S4 cross cutting protective film step, institute is obtained by shape by die-cutting at 75-85 DEG C
Need the screen protecting film of shape and specification.
In further embodiment, the hardening fluid solid content configured is 10%-60%, and the primary coat configured contains admittedly
Amount is 5%-10%, and the glue solid content configured is 25%-30%.
In further embodiment, the coating carries out roll-to-roll coating by the way of anilox roll coating.
In further embodiment, in the roll-to-roll coating, blowing tension 5-15kgf, rewinding tension 8-30kgf.
In further embodiment, after the hardening bath and primary coat coating, the mode that staged heating cools down again can be used
It is toasted, baking temperature range is 50-90 DEG C, baking time 30-60s.
In further embodiment, after the glue application, the mode that staged heating cools down again can be used and toasted,
Baking temperature range is 60-100 DEG C, baking time 1.5-2min.
The invention discloses a kind of screen protecting films with special layer structure, and with the layer structure protective film institute
Corresponding production method.For this kind of screen protecting film relative to PET protection film, it possesses good stiffness and shock resistance.It is right
Than tempering film, the screen protection film production process work in the present invention is simple, and production cost is lower.
Detailed description of the invention
Concrete scheme of the invention is described in detail with reference to the accompanying drawing
Fig. 1 is a kind of structural schematic diagram of tempering film in the prior art；
Fig. 2 is another PET protection film structural schematic diagram in the prior art；
Fig. 3 is the structural schematic diagram of ABS screen protecting film of the present invention.
In figure, including 11- anti-fingerprint coating, 12- toughened glass layer, 13-OCA glue layer, 14-PET substrate layer, 15- silicon
Glue-line, 16-PET release film layer, 21-PET protective film layer, 22- hardening coat, 23-PET substrate layer, 24- layer of silica gel, 25-PET
Release film layer, 31-PET substrate layer, 32- silicone pressure sensitive glue-line, 33- polyurethane acrylic resin hardened layer, 34-ABS substrate
Layer, 35- polyolefin resin lotion priming coat, 36- low-temperature setting layer of silica gel, 37- non-silicon PET release film layer.
Specific embodiment
In order to describe the technical content, the structural feature, the achieved object and the effect of this invention in detail, below in conjunction with embodiment
And attached drawing is cooperated to be explained in detail.
In conjunction with attached drawing 3, in one embodiment, a kind of ABS screen protecting film is disclosed, which successively wraps
Include the polyurethane acrylic resin hardened layer 33 being superimposed together, ABS substrate layer 34, polyolefin resin lotion priming coat 35, low
Temperature solidification layer of silica gel 36, in use, low-temperature setting layer of silica gel 36 can be directly bonded with by protection screen, and with polyurethane acroleic acid
Surface layer of the hardening of resin layer 33 as protective film.When being covered on screen, polyurethane acrylic resin hardened layer 33 is located at most table
Scratch resistant, the effect of abrasion-resistant is mainly played in face.Polyolefin resin lotion priming coat 35, main rise increase ABS substrate interfacial adhesion
Effect, prevent layer of silica gel from degumming phenomenon occur.Low-temperature setting layer of silica gel 36 then primarily serves bonding effect.
In view of screen protecting film before use, being also that can also pass through increase before being covered on the screens such as mobile phone, plate
Protective film layer protects screen protecting film itself, prevents screen protecting film from just being scratched using preceding or become to be not easy to be adhered to
Screen surface.Therefore in one embodiment, the ABS screen protecting film successively include the PET base material layer 31 being superimposed together,
Silicone pressure sensitive glue-line 32, the polyurethane acrylic resin hardened layer 33, the ABS substrate layer 34, the polyolefin resin
Lotion priming coat 35, the low-temperature setting layer of silica gel 36, non-silicon PET release film layer 37.I.e. this ABS screen protecting film is in above-mentioned side
On the basis of case, outer layer has also distinguished mostly PET base material layer 31, silicone pressure sensitive glue-line 32 and non-silicon PET release film layer 37, wherein
PET base material layer 31, silicone pressure sensitive glue-line 32 collectively form a strippable protective film layer.That is, when in use, on the one hand can incite somebody to action
PET base material layer 31, silicone pressure sensitive glue-line 32 are removed together, on the other hand can also also peel off non-silicon PET release film layer 37,
Then it will only contain polyurethane acrylic resin hardened layer 33, ABS substrate layer 34, polyolefin resin lotion priming coat 35, low
The protective film that temperature solidifies layer of silica gel 36 is attached at screen surface, screen to be effectively protected.
In one embodiment, 31 thickness of PET base material layer is preferably 15-75 μm.The silicone pressure sensitive glue-line
32 with a thickness of 5-15 μm.33 thickness of polyurethane acrylic resin hardened layer is preferably 3-4 μm.The ABS substrate layer 34 is thick
Preferably 150-200 μm of degree.35 thickness of polyolefin resin lotion priming coat is preferably 2-3 μm.Hardened layer and primary coat thickness
Degree reaches 3 μm or so can play its performance substantially, thickness too thick the problem of being easy to appear coating shedding instead, while also examine
Worry process costs problem, therefore it is preferred that this range.36 thickness of low-temperature setting layer of silica gel is preferably 25-35 μm.The thickness of layer of silica gel
Spend it is bigger it venting quality it is better, but comprehensively consider process costs and exhaust performance, preferable 25-35 μm of thickness.It is described
37 thickness of non-silicon PET release film layer is preferably 25-75 μm.
In addition, in one embodiment, also disclosing a kind of production method of ABS screen protecting film, the production
Method specifically comprises the following steps:
S1, configuration coating and glue, are respectively configured out the hardening bath of property of water-bearing polyurethane acrylic resin varnish, contain polyene
The primary coat of hydrocarbon resin lotion, the glue of the silica gel containing low-temperature setting are preferably implemented for such as under type:
A, by 50 parts of isopropanols and the 1:1 mixed solution of deionized water, by mechanical stirring mode, (mechanical stirring speed is
300-1200rpm), with the help of ultrasonic disperser (power 1200-1500w) ultrasonic disperse, 100 parts are added slowly to
In polyurethane acrylic resin varnish, ultrasonic disperse 1-3h is stirred, obtains the hardening bath that solid content is 10%-60%.
B, by 200 parts of isopropanols and the 1:1 mixed solution of deionized water, by mechanical stirring mode, (mechanical stirring speed is
300-1200rpm), it is added slowly in 100 parts of polyolefin resin lotion, stirs 1-2h, obtaining solid content is 5%-10%'s
Primary coat.Primer can equably be covered on substrate surface, then spray paint or brushing by way of spraying and brushing
Adhesive, substrate can be carried out well with paint and gluing it is be bonded, formed securely, steady in a long-term can pass through adhesive force
Can test (such as hundred lattice, boiling, knife are cut, salt fog etc.) coating, be a kind of by acting between interface, promote adhesive force
Auxiliary treatment agent.
C, by the 3:1 mixed solution of 100 parts of toluene and butanone, by mechanical stirring mode, (mechanical stirring speed is 300-
1200rpm), it is added slowly in 100 parts of low-temperature setting silica gel, and required auxiliary agent is added successively, stir 1-2h, obtain solid content
For the glue of 25%-30%.
S2, coating, it is hard to form polyurethane acrylic resin for even spread hardening bath and hardening in the one side of ABS substrate layer
Change layer, on the another side of ABS substrate layer even spread primary coat and dry form polyolefin resin lotion priming coat, in polyolefin
It is coated glue on resin emulsion base coating surface and dries and forms low-temperature setting layer of silica gel.It is embodied as follows:
A, the A hardening bath of the first step is pumped into glue groove by feeding system.Pass through the anilox roll (line number of 50-100mm
60-200LPI) hardening bath is uniformly coated in ABS substrate using roll-to-roll coating method, selected ABS substrate is with a thickness of 150-
200μm.Under tension, coated ABS substrate is sent into 6 section baking ovens, temperature is respectively set as 50 DEG C, 60 DEG C, 70
DEG C, 90 DEG C, 90 DEG C, 70 DEG C, toast 30-60s,, will by UV solidification equipment after the solvent evaporation in the hardening bath being coated with
Polyurethane acrylic resin solidification.The UV energy of solidification equipment is 200-1000mj/cm2, finally obtained thin hardened layer
Control is at 3-4 μm.By the way of anilox roll coating, not only easy to operate, the thickness of coating is uniform, but also will not be to coating
Face damages.And roll-to-roll coating blowing tension is preferably 5-15kgf, rewinding tension is preferably 8-30kgf, tension deficiency meeting
Loosen raw material in the process of running, overtension may be such that raw material is broken, and rewinding warp tension ratio blowing tension is slightly larger,
Coiled strip can be made more entirely to run.And in such a way that staged heats up and cools down, can just it make molten in be coated with hardening bath
Agent can sufficiently volatilize, and be unlikely to cause the surface drying phenomenon (having dissolvent residual inside to influence coating quality) of coating.
B, it repeats above step the B coating primary coat of the first step is coated on the another side of ABS substrate, temperature setting and baking
Roasting time consistency, but do not need UV solidification.
C, the C glue in the first step is pumped into glue groove by feeding system.Pass through the anilox roll (line number of 50-100mm
Low-temperature setting silica gel 60-200LPI) is uniformly coated on ABS substrate to have coated in the one side of B coating, by coated ABS
Substrate is sent into 6 section baking ovens, and temperature setting is followed successively by 60 DEG C, 80 DEG C, 100 DEG C, 100 DEG C, 90 DEG C, 80 DEG C, toasts 1.5-2min,
And guarantee that glue thickness of dry film is 25-35 μm.Herein, just solvent can be made sufficiently to volatilize in such a way that gradient type gradually heats up,
When low temperature does not arrive glue curing temperature also, solvent gradually can up be walked from glue, arrived high temperature and reached glue curing temperature
When, the solvent in glue is sufficiently volatilized.
S3, protective film and release film are pasted, pastes by PET base material layer and have in polyurethane acrylic resin hardening layer surface
The protective film that machine silicon pressure-sensitive adhesive layer is formed, pastes non-silicon PET release film layer in low-temperature setting silica gel layer surface, so as to right respectively
The upper and lower surfaces of ABS screen protecting film are respectively formed certain protection, so that the protective film is not easy to be scraped before use
The glue-line of colored or broken ring bonding.
S4, cross cutting protective film are preferably to obtain required shape and rule by shape by die-cutting at 80 DEG C at 75-85 DEG C
The screen protecting film of lattice.The effect that existing PET screen protecting film wants to be made into 2.5D is just needed in high temperature (200 DEG C or more)
Under the conditions of could shape by die-cutting, and tempering film just needs more exacting terms that can just produce, but the ABS material in the present invention
Material can form well under conditions of low temperature (75-85 DEG C), and ABS material non-refractory, easily molded.
To sum up, the invention discloses a kind of screen protecting films with special layer structure, and protect with the layer structure
Production method corresponding to cuticula.For this kind of screen protecting film relative to PET protection film, it possesses good stiffness and impact resistance
Energy.Compare tempering film, the screen protection film production process work in the present invention is simple, can low temperature shape by die-cutting go out needed for shape and rule
The screen protecting film of lattice, production cost are lower.
It should be noted that herein, up, down, left, right, before and after only represents its relative position without indicating its absolute position
It sets.The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize explanation of the invention
Equivalent structure or equivalent flow shift made by book and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of ABS screen protecting film, it is characterised in that: successively include the polyurethane acrylic resin hardening being superimposed together
Layer, ABS substrate layer, polyolefin resin lotion priming coat, low-temperature setting layer of silica gel, in use, low-temperature setting layer of silica gel can be direct
It is bonded with by protection screen.
2. ABS screen protecting film as described in claim 1, it is characterised in that: successively include the PET base material being superimposed together
Layer, silicone pressure sensitive glue-line, the polyurethane acrylic resin hardened layer, the ABS substrate layer, the polyolefin resin lotion
Priming coat, the low-temperature setting layer of silica gel, non-silicon PET release film layer.
3. ABS screen protecting film as claimed in claim 2, it is characterised in that: the PET base material layer is with a thickness of 15-75 μm；Institute
Organic pressure-sensitive gel layer is stated with a thickness of 5-15 μm；The polyurethane acrylic resin thin hardened layer is 3-4 μm；The ABS base
Material layer is with a thickness of 150-200 μm；The polyolefin resin lotion primer thickness is 2-3 μm；The low-temperature setting silica gel thickness
Degree is 25-35 μm；The non-silicon PET release film layer is with a thickness of 25-75 μm.
4. a kind of production method of the ABS screen protecting film as described in Claims 2 or 3, which comprises the steps of:
S1, configuration coating and glue, are respectively configured out the hardening bath of property of water-bearing polyurethane acrylic resin varnish, tree containing polyolefin
The primary coat of fat liquor, the glue of the silica gel containing low-temperature setting；
S2, coating, even spread hardening bath and hardening form polyurethane acrylic resin hardening in the one side of ABS substrate layer
Layer, on the another side of ABS substrate layer even spread primary coat and dry form polyolefin resin lotion priming coat, in polyolefin tree
It is coated glue on fat liquor base coating surface and dries and forms low-temperature setting layer of silica gel；
S3, protective film and release film are pasted, pasted in polyurethane acrylic resin hardening layer surface by PET base material layer and organosilicon
The protective film that pressure-sensitive adhesive layer is formed, pastes non-silicon PET release film layer in low-temperature setting silica gel layer surface.
5. production method as claimed in claim 4, it is characterised in that: further include S4 cross cutting protective film step, at 75-85 DEG C
The screen protecting film of required shape and specification is obtained by shape by die-cutting.
6. production method as claimed in claim 4, it is characterised in that: the hardening fluid solid content configured is 10%-60%,
The primary coat solid content configured is 5%-10%, and the glue solid content configured is 25%-30%.
7. production method as claimed in claim 4, it is characterised in that: the coating is rolled up by the way of anilox roll coating
To coil coating cloth.
8. production method as claimed in claim 7, it is characterised in that: in the roll-to-roll coating, blowing tension 5-15kgf,
Rewinding tension 8-30kgf.
9. production method as claimed in claim 4, it is characterised in that: after the hardening bath and primary coat coating, ladder can be used
The mode that formula heating cools down again is toasted, and baking temperature range is 50-90 DEG C, baking time 30-60s.
10. production method as claimed in claim 9, it is characterised in that: after the glue application, staged heating can be used again
The mode of cooling is toasted, and baking temperature range is 60-100 DEG C, baking time 1.5-2min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811567906.6A CN109456713A (en) | 2018-12-21 | 2018-12-21 | A kind of ABS screen protecting film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811567906.6A CN109456713A (en) | 2018-12-21 | 2018-12-21 | A kind of ABS screen protecting film and preparation method thereof |
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| CN109456713A true CN109456713A (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811567906.6A Pending CN109456713A (en) | 2018-12-21 | 2018-12-21 | A kind of ABS screen protecting film and preparation method thereof |
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| CN112159633A (en) * | 2020-10-13 | 2021-01-01 | 东莞市博亦德科技实业有限公司 | Curved surface screen protection film with layered structure |
| CN112724852A (en) * | 2020-12-23 | 2021-04-30 | 宁波长阳科技股份有限公司 | Novel OLED screen protective film and preparation method and application thereof |
| CN113122156A (en) * | 2021-04-29 | 2021-07-16 | 江西昊泽光学膜科技有限公司 | Anti-fingerprint high-transmittance TPU (thermoplastic polyurethane) protective film suitable for curved AF (AF) screen, preparation method and application thereof |
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Application publication date: 20190312 |