CN210803892U - Color-changing plate structure - Google Patents
Color-changing plate structure Download PDFInfo
- Publication number
- CN210803892U CN210803892U CN201921683059.XU CN201921683059U CN210803892U CN 210803892 U CN210803892 U CN 210803892U CN 201921683059 U CN201921683059 U CN 201921683059U CN 210803892 U CN210803892 U CN 210803892U
- Authority
- CN
- China
- Prior art keywords
- photochromic
- color
- coating
- lens
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a discolour panel structure belongs to photochromic panel and makes technical field, and its technical scheme main points include the lens substrate, the lens substrate is the thermoplastic polyurethane substrate, the surface coating of lens substrate has photochromic coating, photochromic coating is evenly coated discolour liquid and makes on the thermoplastic polyurethane substrate, be provided with solidified layer between photochromic coating and the lens substrate, the utility model has the advantages of can ensure discolour material at the homogeneity on lens substrate surface.
Description
Technical Field
The utility model belongs to the technical field of photochromic panel makes, more specifically says that it relates to a plate structure discolours.
Background
The photochromic material has a mechanism that after absorbing ultraviolet light, the photochromic material changes molecular state and exists in another structure or aggregation state, and the absorption rate of visible light is greatly increased. And then reversibly returns to the original state under the action of heat or other means, while the absorption of visible light is greatly reduced. At present, known photochromic products, such as photochromic lenses and light control glasses, are formed by dispersing a photochromic material in a polymer and forming a plate structure with photochromic capability in a soaking, film coating and other modes.
The photochromic lens is also called as a photosensitive lens, and is formed by adding a photochromic substance (chemical substances such as silver halide and the like) on a lens, so that the original transparent and colorless lens can be changed into a colored lens to be protected when being irradiated by strong light, and the photochromic lens is suitable for being used indoors and outdoors.
In the prior art, a photochromic lens is generally formed by adhering a photochromic liquid on a lens base material in a soaking mode, so that a photochromic substance (such as silver halide and the like) is combined with the lens. However, there is still room for improvement in such a soaking method because the discoloring liquid is liable to drip off and the discoloring substance is unevenly adhered to the surface of the lens base material.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, an object of the utility model is to provide a discolour plate structure, its advantage lies in can guaranteeing the homogeneity of discolour material on lens substrate surface.
In order to achieve the above purpose, the utility model provides a following technical scheme: the photochromic plate structure comprises a lens base material, wherein the lens base material is a thermoplastic polyurethane base material, the surface of the lens base material is coated with a photochromic coating, the photochromic coating is prepared by uniformly coating a photochromic liquid on the thermoplastic polyurethane base material, and a curing layer is arranged between the photochromic coating and the lens base material.
By adopting the technical scheme, the refractive index of the polyurethane lens is higher, so that the polyurethane lens has the characteristics of light weight and thinness compared with the common lens, and the pressure of the lens on the nose bridge is reduced to a certain extent. In addition, the cured layer has good adhesive property, so that the photochromic coating can be rapidly cured after being coated on the thermoplastic polyurethane substrate, the photochromic coating is effectively prevented from falling off, and the uniformity of the photochromic substance on the surface of the lens substrate is further ensured.
The utility model discloses further set up to: the curing layer is prepared by uniformly coating a curing agent on the back surface of the photochromic coating layer, wherein the curing agent is amino polythiol.
By adopting the technical scheme, the amino polythiol curing agent overcomes the defect of low refractive index of the common amine curing agent, has the same refractive index and obviously small thickness, and can reduce the influence of the curing layer on the whole thickness of the lens to a certain extent.
The utility model discloses further set up to: the cured layer is secured to the lens substrate surface by an adhesive.
Through adopting above-mentioned technical scheme, adopt the adhesive can conveniently fix the solidified layer on lens substrate surface, and easy operation.
The utility model discloses further set up to: the adhesive is a pressure sensitive adhesive.
Through adopting above-mentioned technical scheme, pressure-sensitive adhesive's solidification temperature is low, viscidity is good, and the temperature toleration is good, can effectively improve the stability of the layer of solidifying fixed at lens substrate surface.
The utility model discloses further set up to: the surface of the photochromic coating is plated with a photochromic protective film, and the thickness of the photochromic protective film is 0.05 mm-0.1 mm.
By adopting the technical scheme, the photochromic coating can be prevented from being scratched by the arrangement of the photochromic protective film, and the service life of the lens is prolonged.
The utility model discloses further set up to: and an anti-impact strengthening film layer is arranged on the surface of the color-changing protective film.
By adopting the technical scheme, the shock resistance of the lens can be improved by arranging the shock-resistant reinforced film layer, and the damage to eyes caused by the lens breakage is avoided; meanwhile, the anti-impact film layer has better bonding property, can be used as a medium for plating the next film layer, and ensures that the structure between the film layers is not easy to delaminate.
The utility model discloses further set up to: the surface of the anti-impact strengthening film layer is coated with an anti-fog coating, and the anti-fog coating is formed by alternately forming a polymer of carboxyl and silicon dioxide and a corrosion cross-linking layer.
By adopting the technical scheme, the antifogging effect is realized, and meanwhile, the overall reliability and scratch resistance can be enhanced.
The utility model discloses further set up to: the thickness of the photochromic coating is 0.2 mm-0.5 mm.
By adopting the technical scheme, the thickness of the photochromic coating is reasonably controlled, the color changing speed of the lens is accelerated, and the color changing effect is better.
To sum up, the utility model has the advantages of it is following:
1. by arranging the curing layer, the photochromic coating can be rapidly cured after being coated on the thermoplastic polyurethane substrate, so that the photochromic coating is effectively prevented from falling off, and the uniformity of the photochromic substance on the surface of the lens substrate is further ensured;
2. the photochromic protective film is arranged, so that the photochromic coating can be prevented from being scratched, and the service life of the lens is prolonged;
3. the impact resistance of the lens can be improved by arranging the impact-resistant strengthening film layer, so that the damage to eyes caused by the lens breakage is avoided; meanwhile, the anti-impact film layer has better bonding property, can be used as a medium for plating the next film layer, and ensures that the structure between the film layers is not easy to delaminate.
Drawings
Fig. 1 is a schematic sectional structure diagram of the present embodiment.
Description of reference numerals: 1. a lens substrate; 2. a photochromic coating layer; 3. curing the layer; 4. an adhesive; 5. a color-changing protective film; 6. an impact-resistant reinforced film layer; 7. and (3) antifogging coating.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A color-changing plate structure is shown in figure 1 and comprises a lens base material 1, wherein the lens base material 1 is a thermoplastic polyurethane base material, the surface of the lens base material 1 is coated with a photochromic coating 2 which can enable a lens to change color under the sunlight, and the photochromic coating 2 is prepared by uniformly coating a color-changing liquid on the thermoplastic polyurethane base material. The polyurethane lens has higher refractive index, so that the polyurethane lens has the characteristics of light weight and thinness compared with the common lens, and the pressure of the lens on the nose bridge is relieved to a certain extent.
It is worth mentioning that, in order to accelerate the color change speed of the lens and make the color change effect better, the thickness of the photochromic coating layer 2 in this embodiment is 0.5 mm.
As shown in fig. 1, a cured layer 3 is coated between the photochromic coating layer 2 and the lens substrate 1, the cured layer 3 is formed by uniformly coating a curing agent on the back surface of the photochromic coating layer 2, and the cured layer 3 has good adhesive property, so that the photochromic coating layer 2 can be rapidly cured after being coated on the thermoplastic polyurethane substrate, and the photochromic coating layer 2 is effectively prevented from falling off. Specifically, the curing agent in this embodiment is amino polythiol, and the amino polythiol curing agent overcomes the disadvantage of a low refractive index of a general amine curing agent, and the same refractive index thickness is significantly small, so that the influence of the cured layer 3 on the overall thickness of the lens can be reduced to a certain extent.
As shown in fig. 1, in order to combine the photochromic coating layer 2 with the lens substrate 1, the surface of the lens substrate 1 is coated with an adhesive 4, the adhesive 4 is a pressure sensitive adhesive, and the cured layer 3 on the back surface of the photochromic coating layer 2 is fixed on the surface of the lens substrate 1 through the adhesive 4.
Further, the surface of the photochromic coating 2 is plated with a photochromic protective film 5, the photochromic protective film 5 is formed by coating protective liquid on the photochromic film in a spinning mode and then curing the protective liquid through ultraviolet rays, the thickness of the photochromic protective film 5 is 0.05mm, the protective liquid is polyurethane acrylate oligomer, the photochromic coating 2 can be prevented from being scratched through the photochromic protective film 5, and the service life of the lens is prolonged.
As shown in fig. 1, an impact-resistant strengthening film layer 6 is bonded on the surface of the color-changing protection film 5, the film material of the impact-resistant strengthening film layer is silicon oxide, the impact resistance of the lens can be improved through the impact-resistant strengthening film layer 6, and the damage to eyes caused by the lens breakage is avoided; meanwhile, the anti-impact film layer has better bonding property, can be used as a medium for plating the next film layer, and ensures that the structure between the film layers is not easy to delaminate.
Further, the surface of the impact-resistant reinforced film layer 6 is coated with an antifogging coating 7, the antifogging coating 7 is formed by alternately forming a polymer of carboxyl and silicon dioxide and a corrosion cross-linking layer, and the antifogging coating 7 can enable the lens to have an antifogging effect and meanwhile enhance the reliability and the scratch resistance of the whole lens.
The utility model has the advantages as follows: in the lens forming process, the photochromic coating 2 can be rapidly cured after being coated on the thermoplastic polyurethane substrate through the curing layer 3, so that the photochromic coating 2 is effectively prevented from falling off, and the uniformity of the photochromic substance on the surface of the lens substrate 1 is further ensured.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The utility model provides a discolour panel structure, includes lens substrate (1), its characterized in that: the lens base material (1) is a thermoplastic polyurethane base material, the surface of the lens base material (1) is coated with a photochromic coating (2), the photochromic coating (2) is prepared by uniformly coating a color-changing liquid on the thermoplastic polyurethane base material, and a curing layer (3) is arranged between the photochromic coating (2) and the lens base material (1).
2. The color-changing plate structure according to claim 1, wherein: the curing layer (3) is prepared by uniformly coating a curing agent on the back surface of the photochromic coating layer (2), wherein the curing agent is amino polythiol.
3. A color-changing sheet structure according to claim 2, wherein: the solidified layer (3) is fixed on the surface of the lens base material (1) through an adhesive (4).
4. A color-changing sheet structure according to claim 3, wherein: the adhesive (4) is a pressure-sensitive adhesive.
5. The color-changing plate structure according to claim 1, wherein: the surface of the photochromic coating (2) is plated with a photochromic protective film (5), and the thickness of the photochromic protective film (5) is 0.05-0.1 mm.
6. A color-changing sheet structure according to claim 5, wherein: and an anti-impact strengthened film layer (6) is arranged on the surface of the color-changing protective film (5).
7. The color-changing plate structure according to claim 6, wherein: the surface of the anti-impact strengthening film layer (6) is coated with an anti-fog coating (7), and the anti-fog coating (7) is formed by alternately forming a polymer of carboxyl and silicon dioxide and a corrosion cross-linking layer.
8. The color-changing plate structure according to claim 1, wherein: the thickness of the photochromic coating (2) is 0.2 mm-0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921683059.XU CN210803892U (en) | 2019-10-10 | 2019-10-10 | Color-changing plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921683059.XU CN210803892U (en) | 2019-10-10 | 2019-10-10 | Color-changing plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210803892U true CN210803892U (en) | 2020-06-19 |
Family
ID=71227853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921683059.XU Expired - Fee Related CN210803892U (en) | 2019-10-10 | 2019-10-10 | Color-changing plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210803892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983819A (en) * | 2020-08-24 | 2020-11-24 | 江苏黄金屋光学眼镜有限公司 | Processing technology of film layer color-changing sheet for glasses film |
-
2019
- 2019-10-10 CN CN201921683059.XU patent/CN210803892U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983819A (en) * | 2020-08-24 | 2020-11-24 | 江苏黄金屋光学眼镜有限公司 | Processing technology of film layer color-changing sheet for glasses film |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI413811B (en) | Molded laminate for optical use and method for producing the same | |
| JP6615520B2 (en) | Optical laminate | |
| US7858001B2 (en) | Photochromic lens | |
| KR20170116236A (en) | Functional sheet and lens using same | |
| US9304330B2 (en) | Experiential optical device | |
| JP2013531813A (en) | Hard panel polarizing plate for LCD panel | |
| CN103620481A (en) | Plastic lens | |
| CN210803892U (en) | Color-changing plate structure | |
| CN206294214U (en) | A kind of PET self-repairing controls | |
| CN105676536A (en) | Novel liquid crystal display module and novel liquid crystal displayer | |
| JP2009139964A (en) | Polarizing compound sheet and its application method | |
| JP2009139964A5 (en) | ||
| CN113514963B (en) | Double-optical-film-layer color-changing lens and preparation method thereof | |
| TW201720772A (en) | Glass laminate and method for manufacturing glass laminate | |
| CN103097923B (en) | Optical member and application of same | |
| CN208833934U (en) | A kind of optical mirror slip with shock resistance effect | |
| CN209784571U (en) | High-definition lens with Abbe number of 45 | |
| TW202043023A (en) | Optical film set and optical layered body | |
| JP2021056306A (en) | Optical film | |
| CN215494201U (en) | Novel high-strength optical lens | |
| CN212181134U (en) | Dustproof optical lens | |
| CN210488154U (en) | Anti-scratch anti-blue-light resin spectacle lens | |
| CN217479367U (en) | Prevent blue light cell-phone eyeshield tempering membrane | |
| CN215867420U (en) | Color-changing glasses film | |
| CN216718736U (en) | Antifog high definition camera lens coating film plastics lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20211010 |