CN216378021U - Antistatic protective film for optical lens - Google Patents
Antistatic protective film for optical lens Download PDFInfo
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- CN216378021U CN216378021U CN202122732327.6U CN202122732327U CN216378021U CN 216378021 U CN216378021 U CN 216378021U CN 202122732327 U CN202122732327 U CN 202122732327U CN 216378021 U CN216378021 U CN 216378021U
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- sensitive adhesive
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Abstract
The utility model provides an antistatic protective film for an optical lens, which comprises a substrate layer, wherein a silica gel pressure sensitive adhesive layer is bonded on one surface of the substrate layer, an anti-reflection coating is bonded on the other surface of the substrate layer, a release layer is bonded on the end surface, far away from the substrate layer, of the silica gel pressure sensitive adhesive layer, the end surface, far away from the substrate layer and not bonded with the release layer, of the silica gel pressure sensitive adhesive layer is bonded with glass on the surface of the optical lens, the substrate layer comprises a PET (polyethylene terephthalate) substrate and an antistatic coating coated on the surface of the PET substrate, and the thickness of the PET substrate is 12-250 micrometers. The transmittance of the antistatic protective film for the optical lens after the anti-reflection coating treatment can reach more than 95%, the appearance detection and the optical performance detection of a camera are met, the silica gel pressure-sensitive layer arranged on the surface of the PET substrate has a good antistatic effect, the influence of the static electricity on the surface of the traditional silica gel can be effectively reduced, and the surface of the protective film is prevented from absorbing dust.
Description
Technical Field
The utility model relates to the technical field of protective films, in particular to an antistatic protective film for an optical lens.
Background
With the rapid development of intelligent photographing and shooting technologies, the requirements on the functions of an optical lens are higher and higher, if the surface of a camera needs to be protected by a protective film before assembly, the protective film can be simultaneously checked during checking of the camera, and the existing protective film has low transmittance and poor antistatic effect, so that the checking efficiency of the camera is low.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an antistatic protective film for an optical lens, which solves the above problems.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides an antistatic protection film for optical lens, includes the substrate layer, is located the one side of substrate layer is bonded and is had silica gel pressure sensitive adhesive layer, the another side of substrate layer bonds and has the anti-reflection coating, is located silica gel pressure sensitive adhesive layer bonds on keeping away from the terminal surface of substrate layer and has from the type layer, keeps away from the substrate layer and does not bond and have from the type layer silica gel pressure sensitive adhesive layer's terminal surface bonds with the glass on optical lens surface, the substrate layer includes the PET substrate and coats at the antistatic coating on PET substrate surface, the thickness of PET substrate is 12 ~ 250 um.
Preferably, the silica gel pressure-sensitive adhesive layer is one of organosilicon pressure-sensitive adhesive, quick thermosetting pressure-sensitive adhesive or UV photocuring pressure-sensitive adhesive, and its thickness is 10 ~ 100um, the silica gel pressure-sensitive adhesive layer bonds with the antistatic coating of PET substrate one side mutually.
Preferably, the antistatic coating is a polymer JL-WT antistatic agent coating, and the thickness of the antistatic coating is 1-100 nm.
Preferably, the thickness of the anti-reflection coating is 1-200 nm, and the anti-reflection coating is coated on the antistatic coating on the other surface of the PET substrate.
Preferably, the material from the type layer is PET, and its separable subsides cover on silica gel pressure sensitive adhesive layer, the thickness from the type layer is 20 ~ 250 um.
Compared with the prior art, the utility model has the beneficial effects that:
the transmittance of the antistatic protective film for the optical lens after the anti-reflection coating treatment can reach more than 95%, the appearance detection and the optical performance detection of a camera are met, the silica gel pressure-sensitive layer arranged on the surface of the PET substrate has a good antistatic effect, the influence of the static electricity on the surface of the traditional silica gel can be effectively reduced, the surface of the protective film is prevented from absorbing dust, and the antistatic protective film is practical and convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1 substrate layer, 2 silica gel pressure-sensitive layers, 3 anti-reflection coating, 4 release layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1, the present invention provides a technical solution:
an antistatic protective film for an optical lens comprises a substrate layer, wherein a silica gel pressure-sensitive adhesive layer is bonded on one surface of the substrate layer, an anti-reflection coating is bonded on the other surface of the substrate layer, a release layer is bonded on the end surface, away from the substrate layer, of the silica gel pressure-sensitive adhesive layer, the end surface, away from the substrate layer and not bonded with the release layer, of the silica gel pressure-sensitive adhesive layer is bonded with glass on the surface of the optical lens, the substrate layer comprises a PET (polyethylene terephthalate) substrate and an antistatic coating coated on the surface of the PET substrate, the thickness of the PET substrate is 12-250 micrometers, and the transmittance of the PET substrate is 90-92%;
wherein the silica gel pressure-sensitive adhesive layer is one of organosilicon pressure-sensitive adhesive, quick thermosetting pressure-sensitive adhesive or UV (ultraviolet) light curing pressure-sensitive adhesive containing 0.5-5 wt% of antistatic agent, the thickness of the silica gel pressure-sensitive adhesive layer is 10-100 um, the silica gel pressure-sensitive adhesive layer is adhered with the antistatic coating on one surface of the PET (polyethylene terephthalate) substrate, and the surface impedance of the silica gel pressure-sensitive adhesive layer is 108～9Omega; the thickness of the antistatic coating is 1-100 nm, and the antistatic coating comprises an initiator and unsaturated polyester resin containing 0.5-5 wt% of an antistatic agent, wherein the initiator is benzoyl oxide; the antistatic agent is a cohesive force JL-WT antistatic agent; the thickness of the anti-reflection coating is 1-200 nm, and the surface impedance is 108～9Omega, the anti-reflection coating is coated on the antistatic coating on the other side of the PET substrate; the release layer is made of PET, and is detachably attached to the silica gel pressure-sensitive adhesive layer, and the thickness of the release layer is 20-250 um;
in addition, the method for preparing the antistatic protective film for the optical lens comprises the following steps: uniformly coating the antistatic coating on a 50-micrometer PET (polyethylene terephthalate) substrate to form an antistatic coating, wherein the thickness of the antistatic coating is 1-100 nm, baking the antistatic coating in a baking oven at 100 ℃, standing the antistatic coating at normal temperature for 24 hours, and taking out the antistatic coating; adhering an anti-reflection coating on one surface of a PET (polyethylene terephthalate) substrate coated with an antistatic coating, adhering a silica gel pressure-sensitive adhesive layer on the other surface of the PET substrate, baking the PET substrate in a baking oven at 100 ℃, and then directly compounding the PET substrate with a release film to form the release layer on the end surface of the silica gel pressure-sensitive adhesive layer, and detecting that the light transmittance of the antistatic protective film for the optical lens is 95.9%;
the second is as follows: uniformly coating an antistatic coating on a 75-micrometer PET (polyethylene terephthalate) base material to form an antistatic coating, wherein the thickness of the antistatic coating is 1-100 nm, baking the antistatic coating in a baking oven at 100 ℃, standing the antistatic coating at normal temperature for 24 hours, and taking out the antistatic coating; adhering an anti-reflection coating on one surface of a PET (polyethylene terephthalate) substrate coated with an antistatic coating, adhering a silica gel pressure-sensitive adhesive layer on the other surface of the PET substrate, baking the PET substrate in a baking oven at 100 ℃, and then directly compounding the PET substrate with a release film to form the release layer on the end surface of the silica gel pressure-sensitive adhesive layer, and detecting that the light transmittance of the antistatic protective film for the optical lens is 95.7%;
the third is: uniformly coating the antistatic coating on a 100-micron PET (polyethylene terephthalate) base material to form an antistatic coating, wherein the thickness of the antistatic coating is 1-100 nm, and after the antistatic coating is baked in a baking oven at 100 ℃, the antistatic coating is placed at normal temperature for 24 hours and then taken out; adhering an anti-reflection coating on one surface of a PET (polyethylene terephthalate) substrate coated with an antistatic coating, adhering a silica gel pressure-sensitive adhesive layer on the other surface of the PET substrate, baking the PET substrate in a baking oven at 100 ℃, and then directly compounding the PET substrate with a release film to form the release layer on the end surface of the silica gel pressure-sensitive adhesive layer, and detecting that the light transmittance of the antistatic protective film for the optical lens is 95.6%;
the fourth step is: uniformly coating an antistatic coating on a 125-micrometer PET (polyethylene terephthalate) base material to form an antistatic coating, wherein the thickness of the antistatic coating is 1-100 nm, baking the antistatic coating in a baking oven at 100 ℃, standing the antistatic coating at normal temperature for 24 hours, and taking out the antistatic coating; adhering an anti-reflection coating on one surface of a PET (polyethylene terephthalate) substrate coated with an antistatic coating, adhering a silica gel pressure-sensitive adhesive layer on the other surface of the PET substrate, baking the PET substrate in a baking oven at 100 ℃, and then directly compounding the PET substrate with a release film to form the release layer on the end surface of the silica gel pressure-sensitive adhesive layer, and detecting that the light transmittance of the antistatic protective film for the optical lens is 95.4%;
when in use, the release layer is detached, the end face of the silica gel pressure-sensitive layer is bonded with the glass on the surface of the optical lens, and the silica gel pressure-sensitive layer is peeled off at 180 degrees at the speed of 300mm/min, wherein the peeling force is 8.6g/25 mm;
wherein the thickness of the release layer is 100 um;
wherein, the antistatic coating comprises an initiator and unsaturated polyester resin containing 5 WT% of antistatic agent, the initiator is benzoyl oxide, the thickness of the antistatic coating is 50nm, the antistatic agent is poly JL-WT antistatic agent, the method for preparing the antistatic coating adopts the prior art, and the details are not described;
wherein the silica gel pressure-sensitive adhesive layer is a UV light-cured pressure-sensitive adhesive containing 4 wt% of antistatic agent, the thickness of the silica gel pressure-sensitive adhesive layer is 75um, and the surface impedance of the silica gel pressure-sensitive adhesive layer is 108Omega, the antistatic agentFor the force accumulation JL-WT antistatic agent, the method for preparing the silica gel pressure-sensitive adhesive adopts the prior art, and the detailed description is not provided;
wherein the anti-reflection coating is formed by uniformly dispersing magnesium fluoride in polyester UV oligomer and curing the magnesium fluoride through UV irradiation, the weight ratio of the magnesium fluoride in the anti-reflection coating is 0.5-49%, the weight ratio of the magnesium fluoride in the anti-reflection coating is specifically 38%, the thickness of the anti-reflection coating is 150nm, and the surface impedance of the anti-reflection coating is 108Ω；
Wherein the glue used for bonding is a quick thermosetting pressure-sensitive adhesive.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An antistatic protective film for an optical lens is characterized in that: including the substrate layer, be located the one side of substrate layer is bonded and is had silica gel pressure sensitive adhesive layer, the another side of substrate layer is bonded and is had anti-reflection coating, is located silica gel pressure sensitive adhesive layer is kept away from bonding on the terminal surface of substrate layer and is had from the type layer, keeps away from the substrate layer and does not bond and have from the type layer silica gel pressure sensitive adhesive layer's terminal surface bonds with the glass on optical lens surface, the substrate layer includes the PET substrate and coats at the antistatic coating on PET substrate surface, the thickness of PET substrate is 12 ~ 250 um.
2. The antistatic protective film for an optical lens according to claim 1, characterized in that: the silica gel pressure-sensitive adhesive layer is one of organic silicon pressure-sensitive adhesive, quick thermosetting pressure-sensitive adhesive or UV photocuring pressure-sensitive adhesive, and its thickness is 10 ~ 100um, the silica gel pressure-sensitive adhesive layer bonds with the antistatic coating of PET substrate one side mutually.
3. The antistatic protective film for an optical lens according to claim 1, characterized in that: the antistatic coating is a polymer JL-WT antistatic agent coating, and the thickness of the antistatic coating is 1-100 nm.
4. The antistatic protective film for an optical lens according to claim 2, characterized in that: the thickness of the anti-reflection coating is 1-200 nm, and the anti-reflection coating is coated on the antistatic coating on the other side of the PET substrate.
5. The antistatic protective film for an optical lens according to claim 1, characterized in that: the material from the type layer is PET, and its separable subsides cover on silica gel pressure sensitive adhesive layer, the thickness from the type layer is 20 ~ 250 um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122732327.6U CN216378021U (en) | 2021-11-09 | 2021-11-09 | Antistatic protective film for optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122732327.6U CN216378021U (en) | 2021-11-09 | 2021-11-09 | Antistatic protective film for optical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216378021U true CN216378021U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122732327.6U Active CN216378021U (en) | 2021-11-09 | 2021-11-09 | Antistatic protective film for optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216378021U (en) |
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2021
- 2021-11-09 CN CN202122732327.6U patent/CN216378021U/en active Active
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