CN205821230U - A kind of protecting film - Google Patents
A kind of protecting film Download PDFInfo
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- CN205821230U CN205821230U CN201620763243.5U CN201620763243U CN205821230U CN 205821230 U CN205821230 U CN 205821230U CN 201620763243 U CN201620763243 U CN 201620763243U CN 205821230 U CN205821230 U CN 205821230U
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Abstract
This utility model provides a kind of protecting film, including cuticular layer；The UV ebonite layer being compounded on described cuticular layer；The use UV flexible glue layer being compounded on described UV ebonite layer；It is compounded in the use substrate layer on described use UV flexible glue layer；It is compounded in the use adhesive-layer on described use substrate layer；With the peel ply being compounded on described use adhesive-layer；The hardness ＜ 1H of described use UV flexible glue layer.This utility model is by one layer of UV flexible glue layer of topcoating under UV ebonite layer, make use layer hardness from down to be gradually lowered, reduce the integral hardness using layer simultaneously, utilize and use adhesive-layer to prevent it from having a rebound with UV flexible glue layer memory function after hot-pressing, effectively prevent corner, UV face from the situation of broken silk occurring.Test result indicate that, the protecting film hot press performance in this utility model is excellent.Shaping performance lasting stability after hot pressing.
Description
Technical field
This utility model belongs to technical field of polymer materials, particularly relates to a kind of protecting film.
Background technology
Along with electron trade develops, for the more preferable visual experience of screen, many smart mobile phones are by edge and and screen glass
It is designed as arc.Along with having touch screen universal on arc limit, the protecting film on arc limit of can fitting has great market.
Include cuticular layer in protecting film structure in the market successively, use layer and peel ply, conventional protecting film to make
With layer includes UV ebonite layer, substrate layer and adhesive-layer the most successively, during thermocompression forming, because UV ebonite layer is hard
Degree, the UV glue of its corner, arc limit there will be fragmentation phenomenon, the phenomenon and product hot-forming backarc limit metropolis has a rebound, no
Energy permanent shaping, so can cause can not preferably protecting the arc limit of screen.
Utility model content
The purpose of this utility model is to provide a kind of protecting film, the protecting film in this utility model in hot pressing not
After meeting fragmentation, and hot pressing, style-ability is lasting.
This utility model provides a kind of protecting film, including cuticular layer；
The UV ebonite layer being compounded on described cuticular layer；
The use UV flexible glue layer being compounded on described UV ebonite layer；
It is compounded in the use substrate layer on described use UV flexible glue layer；
It is compounded in the use adhesive-layer on described use substrate layer；
With the peel ply being compounded on described use adhesive-layer；
The hardness ＜ 1H of described use UV flexible glue layer；
The hardness of described UV ebonite layer is 1H～5H.
Preferably, the thickness of described UV ebonite layer is 1～10 μm.
Preferably, the thickness of described use UV flexible glue layer is 1～10 μm.
Preferably, described use substrate layer is polyethylene terephthalate substrate layer, PEN base
One or more in sheet material layers, polycarbonate substrate layer, polypropylene-base sheet material layers and polyvinyl sheet material layers.
Preferably, the thickness of described use substrate layer is 50～150 μm.
Preferably, described use adhesive-layer is silicone pressure sensitive glue-line.
Preferably, the thickness of described use adhesive-layer is 20～100 μm.
Preferably, described peel ply includes stripping group sheet material layers and peels off UV flexible glue layer；Described stripping UV flexible glue layer is with described
Use adhesive-layer is combined.
Preferably, the hardness ＜ 1H of described stripping UV flexible glue layer.
Preferably, the thickness of described stripping UV flexible glue layer is 1～10 μm.
This utility model provides a kind of protecting film, including cuticular layer；The UV ebonite layer being compounded on described cuticular layer；Compound
Use UV flexible glue layer on described UV ebonite layer；It is compounded in the use substrate layer on described use UV flexible glue layer；It is compounded in institute
State the use adhesive-layer used on substrate layer；With the peel ply being compounded on described use adhesive-layer；Described use UV flexible glue layer
Hardness ＜ 1H；The hardness of described UV ebonite layer is 1h～5H.In this utility model, described UV ebonite layer, use UV flexible glue
Layer, use substrate layer and use adhesive-layer to constitute use layer, common protecting film use layer above glue-line after hot-pressing
Stress can be more than the stress of following glue-line, thus rebound phenomenon after there is hot pressing, and this utility model is by below UV ebonite layer
Be coated with one layer of UV flexible glue layer so that use the hardness of layer from down to be gradually lowered, utilize and use adhesive-layer and UV flexible glue layer to exist
Memory function after hot pressing prevents it from having a rebound.Meanwhile, the integral hardness of use layer is reduced by UV flexible glue layer, it is possible to have
There is the situation of broken silk in the product corner, UV face in hot pressing that prevents of effect.Test result indicate that, the guarantor in this utility model
Cuticula hot press performance is excellent.Shaping performance lasting stability after hot pressing.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawing can be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of protecting film in this utility model；
Wherein, 1 is cuticular layer, and 11 is cuticula substrate layer, and 12 is cuticula adhesive-layer；2 for using layer, and 21 is UV ebonite layer,
22 for using UV flexible glue layer, and 23 for using substrate layer, and 24 for using adhesive-layer；3 is peel ply, and 31 for peeling off UV flexible glue layer, 32
For stripping group sheet material layers.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
This utility model provides a kind of protecting film, including cuticular layer；
The UV ebonite layer being compounded on described cuticular layer；
The use UV flexible glue layer being compounded on described UV ebonite layer；
It is compounded in the use substrate layer on described use UV flexible glue layer；
It is compounded in the use adhesive-layer on described use substrate layer；
With the peel ply being compounded on described use adhesive-layer；
The hardness ＜ 1H of described use UV flexible glue layer；
The hardness of described UV ebonite layer is 1H～5H.
In this utility model, described cuticular layer includes cuticula substrate layer and the cuticula being compounded on described cuticula substrate layer
Adhesive-layer, the another side of described cuticula adhesive-layer is combined with each other with described UV ebonite layer, i.e. described cuticula adhesive-layer is clipped in institute
State between cuticula substrate layer and described UV ebonite layer.
In this utility model, described cuticula substrate layer is preferably polyethylene terephthalate substrate layer (pet layer), gathers
(ethylene naphthalate) substrate layer (PEN layer), polycarbonate substrate layer (PC layer), polypropylene-base sheet material layers (PP layer) and polyethylene
One or more in substrate layer (PE layer)；The thickness of described cuticula substrate layer is preferably 20～200 μm, more preferably 30～
180 μm, most preferably 50～100 μm, concrete, in embodiment of the present utility model, can be 50 μm；Beijing can be selected
The optical grade PET base material that Kang get Xin composite limited company provides.
In this utility model, described cuticula adhesive-layer is preferably silicone pressure sensitive glue-line, is made up of organic pressure-sensitive gel,
Concrete, in embodiment of the present utility model, the organic pressure-sensitive gel of 6040 models that Dow Corning Corporation provides can be used.Institute
State the thickness of cuticula adhesive-layer and be preferably 5～20 μm, more preferably 10～15 μm are concrete, in embodiment of the present utility model
In, can be 10 μm.
In this utility model, described UV ebonite layer is compounded on the cuticula adhesive-layer of described cuticular layer, described UV ebonite
Layer is made up of UV ebonite glue, and described UV ebonite glue is UV type acrylic resin glue or UV type polyurethane resin；This practicality
The novel source to described UV ebonite glue does not has special restriction, concrete, in embodiment of the present utility model, can use
The CHTU-2543 type UV ebonite glue that Kai Tong Chemical Co., Ltd. of Korea S provides.The hardness of described UV ebonite layer be preferably 1H～
5H (do under 500g pressure pencil test), preferably 2H～4H, concrete, in embodiment of the present utility model, can be 1H,
2H, 3H, 4H or 5H；The thickness of described UV ebonite layer is preferably 1～10 μm, more preferably 2～9 μm, most preferably 3～8 μm, tool
Body, in embodiment of the present utility model, can be 3 μm, 4 μm or 5 μm.
In this utility model, described use UV flexible glue layer is compounded on described UV ebonite layer, i.e. described UV ebonite layer presss from both sides
Between described cuticula adhesive-layer and described UV flexible glue layer.Described use UV flexible glue layer is made up of UV flexible glue glue, and described UV is soft
Glue glue is UV type acrylic resin glue or UV type polyurethane resin；The source of described UV flexible glue glue is not had by this utility model
There is special restriction, concrete, in embodiment of the present utility model, Henkel Loctite (Chinese) company limited can be used to provide
LOCTITE3381 glue.The hardness of described use UV flexible glue layer is less than 1H (doing pencil test) under 500g pressure；Described use UV
The thickness of flexible glue layer is preferably 1～10 μm, more preferably 2～9 μm, and most preferably 3～8 μm are concrete, of the present utility model
In embodiment, can be 2 μm or 3 μm.
In this utility model, described use substrate layer is compounded on described use UV flexible glue layer, i.e. described use UV is soft
Glue-line is clipped in described UV ebonite layer and uses between substrate layer.Described use substrate layer is preferably polyethylene terephthalate base
Sheet material layers (pet layer), PEN substrate layer (PEN layer), polycarbonate substrate layer (PC layer), polypropylene-base sheet material layers
One or more in (PP layer) and polyvinyl sheet material layers (PE layer)；The light transmittance of described use substrate layer be preferably 91% with
On, more preferably more than 93%, most preferably more than 95%；The thickness of described use substrate layer is preferably 50～150 μm, more excellent
Elect 80～130 μm as, most preferably 100～120 μm, concrete, in embodiment of the present utility model, can be 50 μm；Can
With the optical grade PET base material selecting Beijing kangde xin composite material Co., Ltd. to provide.
In this utility model, described use adhesive-layer is compounded on described use substrate layer, i.e. described use substrate layer
It is clipped in described use UV flexible glue layer and uses between adhesive-layer.Described use adhesive-layer is preferably silicone pressure sensitive glue-line, by having
Machine silicon pressure sensitive adhesive is made, concrete, in embodiment of the present utility model, can use 6040 models that Dow Corning Corporation provides
Organic pressure-sensitive gel.The thickness of described use adhesive-layer is preferably 20～100 μm, more preferably 30～80 μm, and most preferably 40
～70 μm, concrete, in embodiment of the present utility model, can be 50 μm.
Above-mentioned UV ebonite layer, use UV flexible glue layer, use substrate layer and use adhesive-layer together constitute making of protecting film
With layer.
In this utility model, described peel ply preferably includes peel off UV flexible glue layer and be compounded in described stripping UV flexible glue layer
On stripping group sheet material layers, described stripping UV flexible glue layer is combined with each other with the use adhesive-layer in described use layer.Common protection
The peel ply of film is only one layer substrate layer, and this utility model by being coated with one layer of UV flexible glue layer on substrate layer surface, by it
The memory function of UV flexible glue layer alleviates the resilience of PET base material, and the thermocompression forming making product overall is the most lasting.
In this utility model, described stripping UV flexible glue layer is made up of UV flexible glue glue, and described UV flexible glue glue is UV type
Acrylic resin glue or UV type polyurethane resin；This utility model does not has special limit to the source of described UV flexible glue glue
System, concrete, in embodiment of the present utility model, Henkel Loctite (Chinese) company limited can be used to provide
LOCTITE3381 glue.The hardness of described stripping UV flexible glue layer is preferably smaller than 1H (doing pencil test under 500g pressure)；Described stripping
Thickness from UV flexible glue layer is preferably 1～10 μm, more preferably 2～9 μm, and most preferably 3～8 μm are concrete, new in this practicality
In the embodiment of type, can be 2 μm or 3 μm.
In this utility model, described stripping group sheet material layers is preferably polyethylene terephthalate substrate layer (pet layer), gathers
(ethylene naphthalate) substrate layer (PEN layer), polycarbonate substrate layer (PC layer), polypropylene-base sheet material layers (PP layer) and polyethylene
One or more in substrate layer (PE layer)；The thickness of described stripping group sheet material layers is preferably 20～200 μm, more preferably 50～
180 μm, most preferably 80～150 μm, concrete, in embodiment of the present utility model, can be 50 μm；Beijing can be selected
The optical grade PET base material that Kang get Xin composite limited company provides.
This utility model additionally provides the preparation method of a kind of protecting film, comprises the following steps:
A) by UV flexible glue glue-coating in the one side using base material, after ultraviolet light polymerization, obtain being compounded with use UV soft
The use base material of glue-line；The hardness ＜ 1H of described use UV flexible glue layer；
B) by UV ebonite glue-coating on described UV flexible glue layer, carry out ultraviolet light polymerization, obtain UV ebonite layer；
C) another side at described use base material is coated with viscose glue glue, obtains after drying using adhesive-layer；
D) at described use adhesive-layer surface recombination peel ply, at described UV ebonite layer surface recombination cuticular layer, protected
Cuticula.
UV flexible glue glue-coating is first being used the one side of base material by this utility model, is compounded with after ultraviolet light polymerization
Using the use base material of UV flexible glue layer, this utility model is the most first coated with the use base material of UV flexible glue glue and is dried,
Remove the solvent in glue, carry out ultraviolet light polymerization the most again, obtain being compounded with the use base material using UV flexible glue layer.In this reality
In novel, described UV flexible glue glue and use the kind of base material and source and UV flexible glue glue above and use base material
Kind is consistent with source, does not repeats them here.
In this utility model, the temperature of described drying is preferably 80～120 DEG C, more preferably 100～110 DEG C；Described
The time dried is preferably 40～80s, more preferably 50～70s, most preferably 60～65s；This utility model preferably employs roasting
Case carries out described drying.The ultraviolet ray intensity of described ultraviolet light polymerization is preferably 400～700mJ/cm2, more preferably 500～
600mJ/cm2；The time of described ultraviolet light polymerization is preferably 1～5s, more preferably 2～4s, most preferably 3s.This utility model
Preferably employing UV light irradiation makes it solidify.This utility model preferably employs running roller or intaglio plate carries out described coating, preferably nick roller
Coating.
After obtaining being compounded with the use base material using UV flexible glue layer, this utility model is coated with at the described use soft film surface of UV
Cloth UV ebonite glue, obtains UV ebonite layer after ultraviolet light polymerization.This utility model is the most first coated with UV ebonite glue
Use base material is dried, and removes the solvent in glue, carries out ultraviolet light polymerization the most again, obtain UV ebonite layer.In this practicality
In novel, the kind of described UV ebonite glue and source and UV ebonite glue above and the kind of use base material and source one
Cause, do not repeat them here.
In this utility model, the temperature of described drying is preferably 80～120 DEG C, more preferably 100～110 DEG C；Described
The time dried is preferably 40～80s, more preferably 50～70s, most preferably 60～65s；This utility model preferably employs roasting
Case carries out described drying.The ultraviolet ray intensity of described ultraviolet light polymerization is preferably 400～700mJ/cm2, more preferably 500～
600mJ/cm2；The time of described ultraviolet light polymerization is preferably 1～5s, more preferably 2～4s, most preferably 3s.This utility model
Preferably employing UV light irradiation makes it solidify.This utility model preferably employs running roller or intaglio plate carries out described coating, preferably nick roller
Coating.
After obtaining UV ebonite layer, this utility model is coated with use viscose glue glue at the another side of described use base material, is dried
After obtain use adhesive-layer, in this utility model, described use viscose glue is preferably organic pressure-sensitive gel, described use stick
The source deriving from adhesive-layer used above of glue glue is consistent, does not repeats them here.In this utility model, described dry
Temperature be preferably 130～200 DEG C, more preferably 140～180 DEG C, most preferably 150～160 DEG C；The described dry time is excellent
Elect 100～150s as, more preferably 110～140s, most preferably 120～130s；This utility model is preferably carried out by baking box
Described dry.This utility model preferably passes through scraper or Slot-Die by described viscose glue glue-coating at described use base material
Another side.
After obtaining using adhesive-layer, this utility model has prepared use layer, the most respectively by cuticular layer and peel ply
It is compounded in the two sides of described use layer, i.e. obtains the protecting film in this utility model.
This utility model preferably existing by UV flexible glue glue-coating in peeling base, successively after drying and ultraviolet light polymerization
Obtaining peel ply, in this utility model, the kind of described UV flexible glue glue and peeling base above peels off UV with deriving from
Flexible glue layer is consistent with the source of stripping group sheet material layers, does not repeats them here.This utility model preferably employs running roller or intaglio plate carries out institute
State coating, the most micro-gravure roller coating.In this utility model, the temperature of described drying is preferably 80～120 DEG C, more preferably
100～110 DEG C；The time of described drying is preferably 40～80s, more preferably 50～70s, most preferably 60～65s；This practicality
The novel baking box that preferably employs carries out described drying.The ultraviolet light exposure rate of described ultraviolet light polymerization is preferably 400～700mJ/
cm2, more preferably 500～600mJ/cm2；The time of described ultraviolet light polymerization is preferably 1～5s, more preferably 2～4s, optimum
Elect 3s as.This utility model preferably employs UV light irradiation makes it solidify.
After obtaining peel ply, described peel ply is compounded in the surface of described use adhesive-layer by this utility model, is made
With layer and two layers of composite membrane of peel ply.
Organic pressure-sensitive gel is preferably coated on the table of described cuticula base material by this utility model by scraper or Slot-Die
Face, forms cuticula mucigel at described cuticula substrate surface, and oven-dried doubling roller the most excessively, by described cuticula adhesive-layer and institute
State UV ebonite laminating to close, obtain protecting film.
This utility model provides a kind of protecting film, including cuticular layer；The UV ebonite layer being compounded on described cuticular layer；Compound
Use UV flexible glue layer on described UV ebonite layer；It is compounded in the use substrate layer on described use UV flexible glue layer；It is compounded in institute
State the use adhesive-layer used on substrate layer；With the peel ply being compounded on described use adhesive-layer；Described use UV flexible glue layer
Hardness ＜ 1H.In this utility model, described UV ebonite layer, use UV flexible glue layer, use substrate layer and use adhesive-layer group
Having become use layer, the stress using layer above glue-line after hot-pressing of common protecting film can be more than the stress of following glue-line, from
And rebound phenomenon after hot pressing occurs, this utility model is by one layer of UV flexible glue layer of topcoating under UV ebonite layer, the use layer that makes
Hardness from down to be gradually lowered, utilize that to use adhesive-layer and UV flexible glue layer memory function after hot-pressing to prevent it from occurring anti-
Bullet.Meanwhile, the integral hardness of use layer is reduced by UV flexible glue layer, it is possible to effectively prevent product UV face in hot pressing
There is the situation of broken silk in corner.
Test result indicate that, the protecting film hot press performance in this utility model is excellent.Shaping performance after hot pressing persistently and
Stable, resilience will not be produced and do not have the corner fragmentation of UV face.
In the examples below, base material all uses the optics level PET base of Beijing kangde xin composite material Co., Ltd.
Material；Organic pressure-sensitive gel is 6040 type organic pressure-sensitive gels of Dow Corning Corporation；UV ebonite glue is that the triumphant Tonghua of Korea S is learned limited
The CHTU-2543 type UV ebonite glue that company provides；UV flexible glue glue Henkel Loctite (Chinese) company limited provides
LOCTITE3381 glue.
Embodiment 1
By nick roller by UV flexible glue glue application in 50 μm optical grade PET base material, then dry through 100 DEG C of baking boxs
60s dry out solvent, then crosses UV lamp, at 500mJ/cm2Lower irradiation 3s so that it is be fully cured, obtains UV flexible glue coating, thickness 2 μ
m。
Then at UV flexible glue coating surface by micro-gravure roller coating UV ebonite glue, 100 DEG C of baking boxs dry 60s dries molten
Agent, then crosses UV lamp, at 500mJ/cm2Lower irradiation 3s so that it is being fully cured, obtain UV ebonite coating, thickness is 3 μm
By organic pressure-sensitive gel by scraper for coating on the back side of base material, dry in the baking box of 150 DEG C after 120s
Adhesive-layer to 50 μ m-thick.So far obtain using layer.
Separately take the PET base material of one 50 μ m-thick, by nick roller by UV flexible glue glue application in this PET base material, exist successively
Heat cure 60s at 100 DEG C, at 500mJ/cm2Lower irradiation 3s obtains peel ply after making its photocuring, wherein, and the UV on peel ply
Flexible glue layer thickness 3 μm.By using the adhesive-layer in layer to be combined with the UV flexible glue layer in peel ply, obtain two layers of composite membrane.
Separately take the PET base material after one 50 μm, by organic pressure-sensitive gel by scraper for coating in this substrate surface, through baking box
Cuticular layer, wherein adhesive-layer thickness 10 μm in cuticular layer is obtained, by the adhesive-layer in cuticular layer and two layers of composite membrane after solidification
UV ebonite coating laminating, obtain protecting film.
Embodiment 2
By nick roller by UV flexible glue glue application in 100 μm optical grade PET base material, then dry through 80 DEG C of baking boxs
50s dry out solvent, then crosses UV lamp, at 400mJ/cm2Lower irradiation 5s so that it is be fully cured, obtains UV flexible glue coating, thickness 3 μ
m。
Then at UV flexible glue coating surface by micro-gravure roller coating UV ebonite glue, 100 DEG C of baking boxs dry 80s dries molten
Agent, then crosses UV lamp, at 600mJ/cm2Lower irradiation 2s so that it is being fully cured, obtain UV ebonite coating, thickness is 5 μm
By organic pressure-sensitive gel by scraper for coating on the back side of base material, dry in the baking box of 130 DEG C after 150s
Adhesive-layer to 50 μ m-thick.So far obtain using layer.
Separately take the PET base material of one 50 μ m-thick, by nick roller by UV flexible glue glue application in this PET base material, exist successively
Heat cure 60s at 100 DEG C, at 400mJ/cm2Lower irradiation 4s obtains peel ply after making its photocuring, wherein, and the UV on peel ply
Flexible glue layer thickness 2 μm.By using the adhesive-layer in layer to be combined with the UV flexible glue layer in peel ply, obtain two layers of composite membrane.
Separately take the PET base material after one 80 μm, by organic pressure-sensitive gel by scraper for coating in this substrate surface, through baking box
Cuticular layer, wherein adhesive-layer thickness 10 μm in cuticular layer is obtained, by the adhesive-layer in cuticular layer and two layers of composite membrane after solidification
UV ebonite coating laminating, obtain protecting film.
Embodiment 3
By nick roller by UV flexible glue glue application in 50 μm optical grade PET base material, then dry through 120 DEG C of baking boxs
80s dry out solvent, then crosses UV lamp, at 600mJ/cm2Lower irradiation 2s so that it is be fully cured, obtains UV flexible glue coating, thickness 5 μ
m。
Then 70s dry out solvent is dried at UV flexible glue coating surface by micro-gravure roller coating UV ebonite glue, 80 DEG C of baking boxs,
Then UV lamp is crossed, at 400mJ/cm2Lower irradiation 5s so that it is being fully cured, obtain UV ebonite coating, thickness is 6 μm
By organic pressure-sensitive gel by scraper for coating on the back side of base material, dry in the baking box of 160 DEG C after 150s
Adhesive-layer to 40 μ m-thick.So far obtain using layer.
Separately take the PET base material of one 50 μ m-thick, by nick roller by UV flexible glue glue application in this PET base material, exist successively
Heat cure 70s at 110 DEG C, at 500mJ/cm2Lower irradiation 3s obtains peel ply after making its photocuring, wherein, and the UV on peel ply
Flexible glue layer thickness 5 μm.By using the adhesive-layer in layer to be combined with the UV flexible glue layer in peel ply, obtain two layers of composite membrane.
Separately take the PET base material after one 50 μm, by organic pressure-sensitive gel by scraper for coating in this substrate surface, through baking box
Cuticular layer, wherein adhesive-layer thickness 10 μm in cuticular layer is obtained, by the adhesive-layer in cuticular layer and two layers of composite membrane after solidification
UV ebonite coating laminating, obtain protecting film.
Protecting film heat pressing forming machines in embodiment 1～3 is carried out hot-forming by this utility model, uses 2.5D arc limit
Mould, heats 3.6s, hot-forming 6s at 260 DEG C.Sampling has carried out performance test, and result is as shown in table 1.
The performance data of protecting film in table 1 this utility model embodiment 1～3
。
Claims (10)
1. a protecting film, including cuticular layer；
The UV ebonite layer being compounded on described cuticular layer；
The use UV flexible glue layer being compounded on described UV ebonite layer；
It is compounded in the use substrate layer on described use UV flexible glue layer；
It is compounded in the use adhesive-layer on described use substrate layer；
With the peel ply being compounded on described use adhesive-layer；
The hardness of described use UV flexible glue layer is less than 1H；
The hardness of described UV ebonite layer is 1H～5H.
Protecting film the most according to claim 1, it is characterised in that the thickness of described UV ebonite layer is 1～10 μm.
Protecting film the most according to claim 1, it is characterised in that the thickness of described use UV flexible glue layer is 1～10 μm.
Protecting film the most according to claim 1, it is characterised in that described use substrate layer is polyethylene terephthalate
In substrate layer, PEN substrate layer, polycarbonate substrate layer, polypropylene-base sheet material layers and polyvinyl sheet material layers
One or more.
Protecting film the most according to claim 1, it is characterised in that the thickness of described use substrate layer is 50～150 μm.
Protecting film the most according to claim 1, it is characterised in that described use adhesive-layer is silicone pressure sensitive glue-line.
Protecting film the most according to claim 1, it is characterised in that the thickness of described use adhesive-layer is 20～100 μm.
8. according to the protecting film described in claim 1～7 any one, it is characterised in that described peel ply includes peeling base
Layer and stripping UV flexible glue layer；Described stripping UV flexible glue layer is combined with described use adhesive-layer.
Protecting film the most according to claim 8, it is characterised in that the hardness ＜ 1H of described stripping UV flexible glue layer.
Protecting film the most according to claim 8, it is characterised in that the thickness of described stripping UV flexible glue layer is 1～10 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620763243.5U CN205821230U (en) | 2016-07-18 | 2016-07-18 | A kind of protecting film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620763243.5U CN205821230U (en) | 2016-07-18 | 2016-07-18 | A kind of protecting film |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106183121A (en) * | 2016-07-18 | 2016-12-07 | 东莞市纳利光学材料有限公司 | A kind of protecting film and preparation method thereof |
| CN115418175A (en) * | 2022-08-31 | 2022-12-02 | 珠海市祥臻生物科技有限公司 | Special PC material for finger and palm print comprehensive acquisition equipment |
-
2016
- 2016-07-18 CN CN201620763243.5U patent/CN205821230U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106183121A (en) * | 2016-07-18 | 2016-12-07 | 东莞市纳利光学材料有限公司 | A kind of protecting film and preparation method thereof |
| CN106183121B (en) * | 2016-07-18 | 2018-07-13 | 东莞市纳利光学材料有限公司 | A kind of protective film and preparation method thereof |
| CN115418175A (en) * | 2022-08-31 | 2022-12-02 | 珠海市祥臻生物科技有限公司 | Special PC material for finger and palm print comprehensive acquisition equipment |
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