CN207347469U - A kind of stiffened rupture pressure disc - Google Patents
A kind of stiffened rupture pressure disc Download PDFInfo
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- CN207347469U CN207347469U CN201720305836.1U CN201720305836U CN207347469U CN 207347469 U CN207347469 U CN 207347469U CN 201720305836 U CN201720305836 U CN 201720305836U CN 207347469 U CN207347469 U CN 207347469U
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Abstract
The utility model discloses a kind of stiffened rupture pressure disc, successively including release film layer, OCA glue-lines, use layer PET base material layer, stiffening layer, pressure-sensitive adhesive layer and protective film PET base material layer.The utility model to PET base material layer by carrying out hardness improvement, increase the stiffening property and hardness of rupture pressure disc entirety so that rupture pressure disc, will not be inadequate because of PET base material stiffening property when thicker adhesive is applied, and mark is transferred to the side of glass shell, so as to be discovered by user.
Description
Technical field
The utility model belongs to protection technical field of membrane, more particularly to a kind of stiffened rupture pressure disc.
Background technology
At present, the electronic equipment such as more and more mobile phones selects glass as shell, in order to increase the safety of outer casing shell
Coefficient in glass shell, it is necessary to be bonded one layer of rupture pressure disc.But traditional rupture pressure disc due to the use of base material PET and OCA gluings
Agent self character determines that its hardness is inadequate, can be outside glass when bonding some small metallic elements using glue inside the housing
The profile of metallic elements is transferred out on shell, seriously affects the sense organ of electronic product user.
The content of the invention
In view of the problems of the above-mentioned prior art, the purpose of this utility model is to propose a kind of stiffened rupture pressure disc, is used for
Fitting, prevents glass breaking from splashing, increases coefficient safe to use inside the glass shell of the electronic products such as mobile phone.
The purpose of this utility model will be achieved by the following technical programs：
A kind of stiffened rupture pressure disc, successively including release film layer, OCA glue-lines, use layer PET base material layer, stiffening layer, pressure sensitive adhesive
Layer and protective film PET base material layer.
Further, colored print layer is further included between the OCA glue-lines and the use layer PET base material layer.
Further, the OCA glue-lines are made of UV types or solvent-borne type OCA glue.
Further, the pressure-sensitive adhesive layer is made of acrylic acid series, polyurethane series or silicon-type pressure sensitive adhesive.
Further, the release film layer thickness is 38 μm -125 μm, and preferred thickness is 75 μm.
Further, the OCA bondline thickness is 15 μm -225 μm, and preferred thickness is 50 μm.
Further, the use layer PET base material layer thickness is 1.5 μm -300 μm, and preferred thickness is 23 μm.
Further, the stiffened layer thickness is 1 μm -20 μm, and preferred thickness is 5 μm.
Further, the pressure-sensitive adhesive layer thickness is 5 μm -20 μm, and preferred thickness is 10 μm.
Further, the protective film PET base material layer thickness is 38 μm -300 μm, and preferred thickness is 100 μm.
Further, the colored print layer thickness is 3 μm -30 μm, and preferred thickness is 15 μm.
The protrusion effect of the utility model is：For the utility model by carrying out hardness improvement to PET base material layer, increase is explosion-proof
The stiffening property and hardness of film entirety so that rupture pressure disc, will not be inadequate because of PET base material stiffening property when thicker adhesive is applied,
And mark is transferred to the side of glass shell, so as to be discovered by user.
Just attached drawing in conjunction with the embodiments below, is described in further detail specific embodiment of the present utility model, so that this
Utility model technical solution is more readily understood, grasps.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment 1-3.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of stiffened rupture pressure disc of the present embodiment, successively including release film layer 1, OCA glue-lines 2, use layer
PET base material layer 3, stiffening layer 4, pressure-sensitive adhesive layer 5 and protective film PET base material layer 6.Between OCA glue-lines 2 and use layer PET base material layer 3
Further include colored print layer 7.
Wherein, OCA glue-lines 2 are made of UV type OCA glue.Pressure-sensitive adhesive layer 5 is made of acrylic pressure sensitive glue.Release film layer 1
Thickness is 75 μm.2 thickness of OCA glue-lines is 50 μm.The use of 3 thickness of layer PET base material layer it is 23 μm.4 thickness of stiffening layer is 5 μm.Pressure
Quick 5 thickness of glue-line is 10 μm.6 thickness of protective film PET base material layer is 100 μm.7 thickness of colored print layer is 15 μm.
The preparation method of the present embodiment is as follows：
(1) protection membrane part is initially formed, the acrylic pressure sensitive glue of 10 μ m-thicks is applied to the protective film that thickness is 100 μm
In PET base material layer 6, by 120 degrees Celsius of curings of baking oven, and cure 7 days and complete；
(2) thickness is subjected to stiffened processing for 23 μm using layer PET base material layer 3, the hardening liquid for being coated with 5 μ m thicks is formed
Stiffening layer 4, uses 120mW/cm2Energy cures it；
(3) protective film that will be prepared in step (1), is affixed on the stiffened face using layer PET base material layer 3；
(4) to being printed using the non-stiffened face of layer PET base material layer 3, the black ink of 15 μ m-thicks is coated with, is taken the photograph by 70
Family name's degree, 60min cure, and obtain colored print layer 7, complete printing；
(5) by OCA that thickness is 50 μm, gently release film surface is peeled off, and is labelled to the colored print layer 7 of product in step (4)；
(6) after the completion of being bonded, wound according to 500m/ volumes.
Embodiment 2
As shown in Figure 1, a kind of stiffened rupture pressure disc of the present embodiment, successively including release film layer 1, OCA glue-lines 2, use layer
PET base material layer 3, stiffening layer 4, pressure-sensitive adhesive layer 5 and protective film PET base material layer 6.Between OCA glue-lines 2 and use layer PET base material layer 3
Further include colored print layer 7.
Wherein, OCA glue-lines 2 are made of solvent-borne type OCA glue.Pressure-sensitive adhesive layer 5 is made of polyurethane series pressure sensitive adhesive.Release film layer
1 thickness is 38 μm.2 thickness of OCA glue-lines is 15 μm.The use of 3 thickness of layer PET base material layer it is 1.5 μm.4 thickness of stiffening layer is 1 μm.
5 thickness of pressure-sensitive adhesive layer is 5 μm.6 thickness of protective film PET base material layer is 38 μm.7 thickness of colored print layer is 3 μm.
The preparation method of the present embodiment is the same as embodiment 1.
Embodiment 3
As shown in Figure 1, a kind of stiffened rupture pressure disc of the present embodiment, successively including release film layer 1, OCA glue-lines 2, use layer
PET base material layer 3, stiffening layer 4, pressure-sensitive adhesive layer 5 and protective film PET base material layer 6.Between OCA glue-lines 2 and use layer PET base material layer 3
Further include colored print layer 7.
Wherein, OCA glue-lines 2 are made of UV type OCA glue.Pressure-sensitive adhesive layer 5 is made of silicon-type pressure sensitive adhesive.Release film layer 1
Thickness is 125 μm.2 thickness of OCA glue-lines is 225 μm.The use of 3 thickness of layer PET base material layer it is 300 μm.4 thickness of stiffening layer is 20 μ
m.5 thickness of pressure-sensitive adhesive layer is 20 μm.6 thickness of protective film PET base material layer is 300 μm.7 thickness of colored print layer is 30 μm.
The preparation method of the present embodiment is the same as embodiment 1.
Embodiment 1-3 increases the stiffening property and hardness of rupture pressure disc entirety by carrying out hardness improvement to PET base material layer so that
Rupture pressure disc, will not be inadequate because of PET base material stiffening property when thicker adhesive is applied, and mark is transferred to glass shell
Side, so as to be discovered by user.
The utility model still has numerous embodiments, all technologies formed using equivalents or equivalent transformation
Scheme, all falls within the scope of protection of the utility model.
Claims (10)
- A kind of 1. stiffened rupture pressure disc, it is characterised in that：Include release film layer, OCA glue-lines successively, use layer PET base material layer, stiffened Layer, pressure-sensitive adhesive layer and protective film PET base material layer；The OCA glue-lines are made of UV types or solvent-borne type OCA glue；The pressure-sensitive adhesive layer is made of acrylic acid series, polyurethane series or silicon-type pressure sensitive adhesive；The release film layer thickness is 38 μm -125 μm；The OCA bondline thickness is 15 μm -225 μm；It is described to use layer PET base material layer thickness as 1.5 μm -300 μm；The stiffened layer thickness is 1 μm -20 μm；The pressure-sensitive adhesive layer thickness is 5 μm -20 μm；The protective film PET base material layer thickness is 38 μm -300 μm.
- 2. stiffened rupture pressure disc according to claim 1, it is characterised in that：The OCA glue-lines use layer PET base material with described Colored print layer is further included between layer.
- 3. stiffened rupture pressure disc according to claim 1, it is characterised in that：The release film layer thickness is 75 μm.
- 4. stiffened rupture pressure disc according to claim 1, it is characterised in that：The OCA bondline thickness is 50 μm.
- 5. stiffened rupture pressure disc according to claim 1, it is characterised in that：It is described to use layer PET base material layer thickness as 23 μm.
- 6. stiffened rupture pressure disc according to claim 1, it is characterised in that：The stiffened layer thickness is 5 μm.
- 7. stiffened rupture pressure disc according to claim 1, it is characterised in that：The pressure-sensitive adhesive layer thickness is 10 μm.
- 8. stiffened rupture pressure disc according to claim 1, it is characterised in that：The protective film PET base material layer thickness is 100 μ m。
- 9. stiffened rupture pressure disc according to claim 2, it is characterised in that：The colored print layer thickness is 3 μm -30 μm.
- 10. stiffened rupture pressure disc according to claim 9, it is characterised in that：The colored print layer thickness is 15 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720305836.1U CN207347469U (en) | 2017-03-28 | 2017-03-28 | A kind of stiffened rupture pressure disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720305836.1U CN207347469U (en) | 2017-03-28 | 2017-03-28 | A kind of stiffened rupture pressure disc |
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| Publication Number | Publication Date |
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| CN207347469U true CN207347469U (en) | 2018-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720305836.1U Active CN207347469U (en) | 2017-03-28 | 2017-03-28 | A kind of stiffened rupture pressure disc |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112777926A (en) * | 2020-12-17 | 2021-05-11 | 苏州鑫河镜业有限公司 | Production process of explosion-proof safety lens |
| CN114774019A (en) * | 2022-04-24 | 2022-07-22 | 武汉华星光电半导体显示技术有限公司 | Display screen cover plate and display device |
-
2017
- 2017-03-28 CN CN201720305836.1U patent/CN207347469U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112777926A (en) * | 2020-12-17 | 2021-05-11 | 苏州鑫河镜业有限公司 | Production process of explosion-proof safety lens |
| CN114774019A (en) * | 2022-04-24 | 2022-07-22 | 武汉华星光电半导体显示技术有限公司 | Display screen cover plate and display device |
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 213149 No. 20, Changyang Road, West Taihu science and Technology Industrial Park, Wujin District, Changzhou City, Jiangsu Province Patentee after: Xinlun electronic materials (Changzhou) Co.,Ltd. Address before: 213149 No. 20, Changyang Road, West Taihu science and Technology Industrial Park, Wujin District, Changzhou City, Jiangsu Province Patentee before: Xinlun Technology (Changzhou) Co.,Ltd. |