CN209428447U - A kind of decorating film for mobile phone glass back-cover - Google Patents
A kind of decorating film for mobile phone glass back-cover Download PDFInfo
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- CN209428447U CN209428447U CN201821857813.2U CN201821857813U CN209428447U CN 209428447 U CN209428447 U CN 209428447U CN 201821857813 U CN201821857813 U CN 201821857813U CN 209428447 U CN209428447 U CN 209428447U
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Abstract
The utility model relates to a kind of decorating film more particularly to a kind of decorating films for mobile phone glass back-cover.A kind of decorating film for mobile phone glass back-cover is provided in order to solve traditional decorating film not abundant technical problem of color type, the utility model in colour processing.The decorating film includes substrate film layer；One surface of the substrate film layer is provided with HC layers；Another surface of the substrate film layer is provided with coloured coating；Matcoveredn is set on the side surface not connecting with substrate film layer described HC layers；The side surface that the coloured coating is not connect with substrate film layer is provided with OCA optical adhesive layer；The side surface that the OCA optical adhesive layer is not connect with coloured coating is provided with release film layer.The color multiplicity of decorating film provided by the present application is easily printed with the adhesive force height of glass back-cover, surface.
Description
Technical field
The utility model relates to a kind of decorating film more particularly to a kind of decorating films for mobile phone glass back-cover.
Background technique
Cell phone back cover is usually process by two kinds of mainstream materials of ABS plastic and aluminium alloy, the feel of ABS back-cover it is bad and
The drawbacks of signal barrier of aluminium alloy back-cover, glass back-cover is made to become next mainstream.However, the curve form of cell phone back cover makes
It can not carry out ion diffusion at glass cambered surface, plated film, the modes such as vacuum coating are handled.
Traditional decorating film makes film have color generally by physical deposition (PVD), but is made by PVD
Film, which has color, significant limitation, and if color type is insufficient, the saturation degree of color can not reach requirement, and cost is again
It is very high.
Summary of the invention
In order to which the decorating film color type for solving traditional is not enriched, the utility model provides a kind of for mobile phone glass back
The decorating film of lid.The utility model further solves the saturation degree problem not up to standard, at high cost of traditional decorating film color.This
A kind of decorating film for mobile phone glass back-cover that utility model provides, sets between the OCA layer and substrate glue-line of the decorating film
Coloured coating is set to solve general decor film and be unable to reach more multicoloured problem during PVD, also solves decorating film color
Color saturation degree problem not up to standard solves traditional decorating film and is made into that colour film is at high cost, the problem of uniformity difference.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solutions:
The utility model provides a kind of decorating film for mobile phone glass back-cover, and the decorating film includes substrate film layer；Institute
A surface for stating substrate film layer is provided with hardening coat (HC) layer；Another surface setting chromatic colour of the substrate film layer applies
Layer；The side surface that the coloured coating is not connect with substrate film layer is provided with OCA optical adhesive layer.
Further, which can carry out UV transfer.
Further, matcoveredn is set on the side surface not connecting with substrate film layer described HC layers.
Further, the side that the OCA optical adhesive layer is not connect with coloured coating is provided with release layer.
Further, the coloured coating is with coloured coating.
Further, matcoveredn is set on the side surface not connecting with substrate film layer described HC layers；The OCA optics
The side that glue-line is not connect with coloured coating is provided with release layer.
Further, the decorating film successively includes OCA optical adhesive layer, coloured coating, substrate film layer and HC from bottom to top
Layer.
The utility model provides a kind of decorating film for mobile phone glass back-cover, and the decorating film includes substrate film layer；Institute
A surface for stating substrate film layer is provided with hardening coat (referred to as HC layers)；Another surface of the substrate film layer is provided with
Coloured coating；Matcoveredn is set on the side surface not connecting with substrate film layer described HC layers；The color layer not with substrate
One side surface of film layer connection is provided with OCA optical adhesive layer, and the side surface that the OCA optical adhesive layer is not connect with color layer is set
It is equipped with glass surface of the decorating film Pasting on the inside of mobile phone glass back-cover described in release layer.
OCA (Optically Clear Adhesive) optical adhesive layer is the extraordinary viscose glue for cementing transparent optical element
Dosage form at layer structure.
Hardening coat is to harden the structure sheaf formed after coating fluid is coated and dried, and it is hard to provide certain surface for decorating film
Degree, and on the surface of hardening coat, the processing such as physical deposition, printing can be carried out.
OCA optical adhesive layer in the decorating film can be tightly bonded together with the glassy layer of mobile phone glass back-cover, can
Be effectively prevented mobile phone causes the glass residue splashing after glass breaking to cause people's injury because falling or colliding in use
Accident, improve the safety in utilization of the mobile phone equipped with glass back-cover.
Further, the decorating film successively includes release layer, OCA optical adhesive layer, coloured coating, base material film from bottom to top
Layer, HC layers and protective layer.The i.e. described decorating film includes six layer structure.
Further, the OCA optical adhesive layer is coated on the lower surface of color layer, and the release layer is bonded in the OCA
The lower surface of optical adhesive layer, the upper surface of the substrate film layer are coated with HC layers, and HC layers of the upper surface is bonded by electrostatic
Matcoveredn.
Further, it bonds together after being bonded between each layer of the decorating film by laminating machine.
Further, in the decorating film, the substrate film layer is polyethylene terephthalate (PET), gathers
Acid imide (PI), cyclic olefin polymer film (COP), polycarbonate film (PC), onlap flexion polyester film (SRF), in
It is a kind of or at least two composite membrane.
The coloured coating is with coloured coating.Coloured coating is colored coating, by being mixed with pigments or dyes
Material, the side of substrate film layer is attached to after being coated and dried, provides various colors for decorating film.
Further, in the decorating film, the substrate film layer with a thickness of 25-75 μm, HC layers of the thickness
Range is 0.5-1.5 μm, and the thickness range of the protective layer is 25-35 μm；
Further, in the decorating film, the thickness of dry film of the OCA optical adhesive layer is
20-30 μm, the thickness of dry film of told coloured coating is 5-15 μm；The release layer with a thickness of
100-125μm。
Decorating film when in use, need to remove release layer (also referred to as release film) and protective layer (also referred to as protective film).
After the decorating film for being used for mobile phone glass back-cover is bonded removing release layer with mobile phone glass back-cover, OCA glue-line glues
Knot power can reach 20N/25mm, make glass and the decorating film tightly adhesion of mobile phone glass back-cover, and peel strength is high, and adhesive force is strong,
Solve the problems, such as that the broken rear glass residue splashing of mobile phone glass back-cover is hurted sb.'s feelings.Meanwhile passing through on the surface of the HC of decorating film layer
Printing is attached to the inside of mobile phone glass back-cover after the processing such as PVD plating or the transfer of UV glue, can solve mobile phone glass back
Cap surface can not carry out the problem of printing treatment.It is provided with coloured coating between the substrate glue-line and OCA of above-mentioned decorating film layer, is solved
PVD process of having determined is mixed colours at high cost and color uniformity problem.
Decorating film provided by the utility model has the advantage that
1, easily printing: a dyne value for HC layers of decoration film surface of upper surface of the mobile phone glass back-cover reaches 42Dyn/
Cm makes decorating film provided by the utility model be easy to carry out the transfer of UV glue, the processing of PVD plating and ink printing；Decorating film patch
After closing transparent glass, the problems such as ion diffusion can not be carried out by solving at glass back-cover cambered surface, plated film, vacuum coating.
2, multicolour: the decorating film of the mobile phone glass back-cover be it is colored, can according to need and select different color.
3, resistance to removing: the decorating film of the mobile phone glass back-cover is affixed on the surface mirror surface SUS304 after twenty minutes, with 300mm/
Min speed, 180 ° of removings, peeling force >=18N/25mm；
4, resistance to temperature change: the decorating film of the mobile phone glass back-cover be attached to cell phone back cover glass inner face 20min after → 100
DEG C static 20min → -30 DEG C of freezing static 20min of for 24 hours → room temperature of boiling 30min → room temperature, decorating film and glass are without delamination, outside
It sees unchanged；
5, moisture-proof is heat-resist: the decorating film of the mobile phone glass back-cover is put after being attached to cell phone back cover glass inner face 20min
Setting 120h, decorating film and glass in 65 DEG C, the closed container of 95%RH, without delamination, appearance is unchanged.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of decorating film provided by the utility model；
Fig. 2 is the structural schematic diagram that decorating film provided by the utility model is bonded with mobile phone glass back-cover.
Specific embodiment:
It is practical new to this below in conjunction with attached drawing and specific embodiment to more fully understand the technical solution of the utility model
Type is described in detail.
As shown in Figure 1, the application provides a kind of decorating film 1 for mobile phone glass back-cover, the decorating film 1 includes substrate
Film layer 13；One surface of the substrate film layer is provided with HC layer 14；Another surface of the substrate film layer 13 is provided with coloured silk
Color coating 12；Matcoveredn 15 is set on the side surface that the HC layer 14 is not connect with substrate film layer 13；The coloured coating
12 side surfaces not connecting with substrate film layer 13 are provided with OCA glue-line 11；Told OCA glue-line 11 is not connect with coloured coating 12
A side surface be provided with release film layer 10.
As shown in Fig. 2, being pasted onto mobile phone glass back by OCA optical adhesive layer 11 after the decorating film 1 removes release layer 10
The glass surface of 2 inside of lid.
The performance of decorating film provided by the embodiments of the present application, is detected using following methods:
1, easily printing: dyne value of HC layers of decoration film surface of upper surface of the mobile phone glass back-cover is detected, HC layers reach
Because being worth the easier progress UV glue transfer of HC layer surface of higher explanation decorating film provided by the utility model, PVD plating or ink
The processing of printing.
2, multicolour:
The decorating film of the mobile phone glass back-cover is a kind of film of colour.
3, resistance to removing: being affixed on the surface mirror surface SUS304 after twenty minutes for decorating film, and with 300mm/min speed, 180 ° are removed,
Its peeling force >=18N/25mm；Peel force value is higher, and the adhesive force between decorating film and glass back-cover is higher.
4, resistance to temperature change: after decorating film is attached to cell phone back cover glass inner face 20min → 100 DEG C of boiling 30min → often
Static 20min → -30 DEG C of freezing static 20min of for 24 hours → room temperature of temperature, without delamination, appearance is unchanged for decorating film and glass；
5, moisture-proof heat resistance: decorating film is attached to be placed on after cell phone back cover glass inner face 20min 85 DEG C, 85%RH it is close
240h in container (or being placed on 65 DEG C, 120h in the closed container of 95%RH) is closed, decorating film and glass are without delamination, and appearance is without change
Change.
Embodiment 1:
As shown in Figure 1, the application provides a kind of decorating film 1 for mobile phone glass back-cover, the decorating film 1 includes substrate
Film layer 13；One surface of the substrate film layer is provided with HC layer 14；Another surface of the substrate film layer 13 is provided with coloured silk
Color coating 12；Matcoveredn 15 is set on the side surface that the HC layer 14 is not connect with substrate film layer 13；The coloured coating
12 side surfaces not connecting with substrate film layer 13 are provided with OCA glue-line 11；Told OCA glue-line 11 is not connect with coloured coating 12
A side surface be provided with release film layer 10.
Above-mentioned decorating film the preparation method is as follows: on coating line, hardening bath even spread that HC layers of raw material is prepared
It in 50 μm of PET base material, after oven drying, irradiates and solidifies by UV lamp, form HC layers after coating fluid is dry, HC layers
Dry thickness is 1 μm, and surface dynes value reaches 42Dyn/cm, then in addition coats coloured coating on one side in PET, coloured coating
Dry thickness is 5um, is then uniformly coated on OCA glue above coloured coating, and it is 25 μm that OCA glue, which does thickness, on the surface of OCA glue-line
It is bonded the release film of 100 μ m-thicks, HC layer surface is bonded protective layer again, and the protective layer is the PE film of 30 μ m-thicks.
The transfer of UV glue is carried out on the HC layer of decorating film, fitting mobile phone glass back after the processing that PVD plating and ink print
Lid inside.
Embodiment 2:
The decorating film provided such as embodiment 1, wherein on coating line, HC layers of hardening bath are spread evenly across to 50 μm of PC
On substrate, it is 1 μm that HC, which is coated with dry thickness, after oven drying, irradiates and solidifies by UV lamp, surface dynes value reaches 42Dyn/
Then in addition cm coats coloured coating in PC on one side, the dry thickness of coloured coating is 5um, is then uniformly coated on OCA glue
Above coloured coating, it is 25 μm that OCA glue, which does thickness, is bonded 125 μm of release films, HC layer surface is bonded protective layer, the protective layer again
It is the PE film of 30 μ m-thicks.
UV transfer is carried out on the HC layer of decorating film, after the processing that PVD and ink print on the inside of fitting mobile phone glass back-cover.
Embodiment 3:
The decorating film provided such as embodiment 1, wherein on coating line, HC layers of hardening bath are spread evenly across to 50 μm of SRF
On substrate, it is 1 μm that HC layers, which are coated with dry thickness, after oven drying, irradiates and solidifies by UV lamp, surface dynes value reaches
Then in addition 42Dyn/cm coats coloured coating in SRF on one side, the dry thickness of coloured coating is 5um, then that OCA glue is uniform
Be coated on above coloured coating, OCA glue do thickness be 20 μm, be bonded 100 μm of release films, HC layer surface is bonded protective layer again, institute
State the PE film that protective layer is 30 μ m-thicks.
UV transfer is carried out on the HC layer of decorating film, after the processing that PVD and ink print on the inside of fitting mobile phone glass back-cover.
Embodiment 4:
The decorating film provided such as embodiment 1, wherein on coating line, HC layers of hardening bath are spread evenly across 25 μm
On PMMA substrate, it is 0.5 μm that HC layers, which are coated with dry thickness, after oven drying, irradiates and solidifies by UV lamp, surface dynes value reaches
To 42Dyn/cm, coloured coating is in addition then coated on one side in PMMA, the dry thickness of coloured coating is 5um, then that OCA glue is equal
Even is coated on above coloured coating, and it is 20 μm that OCA glue, which does thickness, is bonded 125 μm of release films, and HC layer surface is bonded protective layer again,
The protective layer is the PE film of 30 μ m-thicks.
UV transfer is carried out on the HC layer of decorating film, after the processing that PVD and ink print on the inside of fitting mobile phone glass back-cover.
Embodiment 5:
The decorating film provided such as embodiment 1, wherein on coating line, HC layers of hardening bath are spread evenly across to 75 μm of PI
On substrate, it is 1.5 μm that HC, which is coated with dry thickness, after oven drying, irradiates and solidifies by UV lamp, surface dynes value reaches
Then in addition 42Dyn/cm coats coloured coating in PI on one side, the dry thickness of coloured coating is 5um, then that OCA glue is uniform
It is coated on above coloured coating, it is 25 μm that OCA glue, which does thickness, is bonded 100 μm of release films, HC layer surface is bonded protective layer again, described
Protective layer is the PE film of 35 μ m-thicks.
UV transfer is carried out on the HC layer of decorating film, after the processing that PVD and ink print on the inside of fitting mobile phone glass back-cover.
Embodiment 6:
The decorating film provided such as embodiment 1, wherein on coating line, HC layers of hardening bath are spread evenly across to 75 μm of PET
On substrate, it is 1 μm that HC layers, which are coated with dry thickness, after oven drying, irradiates and solidifies by UV lamp, surface dynes value reaches
Then in addition 42Dyn/cm coats coloured coating in PET on one side, the dry thickness of coloured coating is 10um, then that OCA glue is uniform
Be coated on above coloured coating, OCA glue do thickness be 25 μm, be bonded 125 μm of release films, HC layer surface is bonded protective layer again, institute
State the PE film that protective layer is 25 μ m-thicks.
UV transfer is carried out on the HC layer of decorating film, after the processing that PVD and ink print on the inside of fitting mobile phone glass back-cover.
Embodiment 7:
The decorating film provided such as embodiment 1, wherein on coating line, HC layers of hardening bath are spread evenly across to 75 μm of COP
On substrate, it is 1 μm that HC layers, which are coated with dry thickness, after oven drying, irradiates and solidifies by UV lamp, surface dynes value reaches
Then in addition 42Dyn/cm coats coloured coating in COP on one side, the dry thickness of coloured coating is 15um, then that OCA glue is uniform
Be coated on above coloured coating, OCA glue do thickness be 30 μm, be bonded 100 μm of release films, HC layer surface is bonded protective layer again, institute
State the PE film that protective layer is 30 μ m-thicks.
UV transfer is carried out on the HC layer of decorating film, after the processing that PVD and ink print on the inside of fitting mobile phone glass back-cover.
Embodiment 8:
The decorating film provided such as embodiment 1, wherein on coating line, HC layers of hardening bath are spread evenly across to 75 μm of PET
On substrate, it is 1 μm that HC layers, which are coated with dry thickness, after oven drying, irradiates and solidifies by UV lamp, surface dynes value reaches
Then in addition 42Dyn/cm coats coloured coating in PET on one side, the dry thickness of coloured coating is 5um, then that OCA glue is uniform
Be coated on above coloured coating, OCA glue do thickness be 20 μm, be bonded 125 μm of release films, HC layer surface is bonded protective layer again, institute
State the PE film that protective layer is 30 μ m-thicks.
UV transfer is carried out on the HC layer of decorating film, after the processing that PVD and ink print on the inside of fitting mobile phone glass back-cover.
The performance test results for the decorating film that 1 1-8 of the embodiment of the present invention of table is provided
It can be obtained by the testing result of table 1, the color multiplicity of decorating film provided by the present application, the adhesive force with glass back-cover
It easily prints on high, surface.
The above is only a preferred embodiment of the present invention, present invention is not limited to the above embodiments.It is appreciated that ability
The oher improvements and changes that field technique personnel directly export or associate without departing from the spirit and concept in the present invention,
It is considered as being included within protection scope of the present invention.
Claims (10)
1. a kind of decorating film for mobile phone glass back-cover, which is characterized in that the decorating film includes substrate film layer；The substrate
One surface of film layer is provided with hardening coat；Another surface of the substrate film layer is provided with coloured coating；The colour
The side surface that coating is not connect with substrate film layer is provided with OCA optical adhesive layer.
2. the decorating film according to claim 1 for mobile phone glass back-cover, which is characterized in that the hardening coat not with
Matcoveredn is set on one side surface of substrate film layer connection.
3. the decorating film according to claim 1 for mobile phone glass back-cover, which is characterized in that the OCA optical adhesive layer
The side not connecting with coloured coating is provided with release layer.
4. the decorating film according to claim 1 for mobile phone glass back-cover, which is characterized in that the coloured coating is band
Coloured coating.
5. the decorating film according to claim 1 for mobile phone glass back-cover, which is characterized in that the hardening coat not with
Matcoveredn is set on one side surface of substrate film layer connection；The side that the OCA optical adhesive layer is not connect with coloured coating is set
It is equipped with release layer.
6. decorating film according to claim 1, which is characterized in that the decorating film successively includes OCA optics from bottom to top
Glue-line, coloured coating, substrate film layer and hardening coat.
7. decorating film according to claim 1, which is characterized in that the decorating film further includes release layer and protective layer, institute
State decorating film successively includes release layer, OCA optical adhesive layer, coloured coating, substrate film layer, hardening coat and protection from bottom to top
Layer.
8. decorating film according to claim 1, which is characterized in that the substrate film layer with a thickness of 25-75 μm.
9. decorating film according to claim 1, which is characterized in that the thickness of dry film of the coloured coating is 5-15 μm.
10. decorating film according to claim 1, which is characterized in that the thickness of dry film of the OCA optical adhesive layer is 20-30 μ
m。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821857813.2U CN209428447U (en) | 2018-11-12 | 2018-11-12 | A kind of decorating film for mobile phone glass back-cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821857813.2U CN209428447U (en) | 2018-11-12 | 2018-11-12 | A kind of decorating film for mobile phone glass back-cover |
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| Publication Number | Publication Date |
|---|---|
| CN209428447U true CN209428447U (en) | 2019-09-24 |
Family
ID=67968390
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821857813.2U Active CN209428447U (en) | 2018-11-12 | 2018-11-12 | A kind of decorating film for mobile phone glass back-cover |
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| CN (1) | CN209428447U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111171742A (en) * | 2020-02-26 | 2020-05-19 | 江苏斯迪克新材料科技股份有限公司 | Bendable protective film for folding screen and preparation method thereof |
| CN111394001A (en) * | 2020-04-28 | 2020-07-10 | 广东硕成科技有限公司 | High-pressure forming protective film for mobile phone back cover and preparation method thereof |
-
2018
- 2018-11-12 CN CN201821857813.2U patent/CN209428447U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111171742A (en) * | 2020-02-26 | 2020-05-19 | 江苏斯迪克新材料科技股份有限公司 | Bendable protective film for folding screen and preparation method thereof |
| CN111394001A (en) * | 2020-04-28 | 2020-07-10 | 广东硕成科技有限公司 | High-pressure forming protective film for mobile phone back cover and preparation method thereof |
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| GR01 | Patent grant | ||
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Address after: No. 988, Qingfeng Road, Cicheng Town, Ningbo, Zhejiang 315031 Patentee after: Ningbo Huizhixing New Material Technology Co.,Ltd. Address before: No. 988, Qingfeng Road, Cicheng Town, Ningbo, Zhejiang 315031 Patentee before: NINGBO HUGHSTAR ADVANCED MATERIAL TECHNOLOGY Co.,Ltd. |
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