CN210488166U - Polarizing film and resin lens polarized lens bonded by glue specially - Google Patents
Polarizing film and resin lens polarized lens bonded by glue specially Download PDFInfo
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- CN210488166U CN210488166U CN201921664940.5U CN201921664940U CN210488166U CN 210488166 U CN210488166 U CN 210488166U CN 201921664940 U CN201921664940 U CN 201921664940U CN 210488166 U CN210488166 U CN 210488166U
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Abstract
The utility model relates to a polarizing film and resin lens polarizing lens bonded by glue, which comprises a polarizing film and is characterized in that an upper glue layer and an upper resin layer are sequentially arranged on the upper surface of the polarizing film, and a lower glue layer and a lower resin layer are sequentially arranged on the lower surface of the polarizing film; the utility model uses the epoxy resin as the main resin of the glue special for bonding the polarizing film and the lens, and utilizes the characteristic of high bonding strength of the epoxy resin to firmly bond the polarizing film and the resin lens together, so that the lens is not easy to crack and has long service life; the utility model discloses use hydrogenation type epoxy, do not contain the benzene ring in the resin, the resistant yellowing performance of glue layer is good, can be high temperature resistant and ultraviolet resistant.
Description
Technical Field
The utility model belongs to the technical field of polarized light lens technique and specifically relates to a polarized light lens of polarized light membrane and resin lens that bonds with glue specially.
Background
The polarized lens can block the scattered reflected light, glare and irregular reflected light of objects in natural light, thereby rapidly reducing the brightness of the light entering eyes and being beneficial to protecting the eyes. The polarized lens can also solve the aesthetic feeling of vision, and the scenery observed by the polarized lens can be softer and deeper. The sunglass lens is obtained by laminating a PC sheet, a polarizing film and a TAC film, and the structure of the resin polarizing lens is that a polarizing film is sandwiched between two layers of resin lenses. Compared with sunglasses, the resin polarized lens has the characteristics of longer service life and more functions, and most of high-end polarized lenses are prepared by the method. The preparation method of the resin polarized lens is that the polarized film is firstly placed in the middle of a glass mould and forms a mould cavity on two sides with the mould. Pouring the lens raw material liquid into a mold cavity, curing, and then carrying out a series of processing to obtain a finished product. However, the polarizing film itself and the resin monomer are not adhered to each other, and an adhesive is required to ensure that the resin monomer and the polarizing film are firmly adhered to each other without affecting the optical properties thereof. The existing adhesive can not meet the requirements completely, the bonding strength between the polarizing film and the resin lens is insufficient, and the lens is often cracked between the polarizing film and the resin lens in the process of lens fitting and use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a polarizing film and resin lenses's polarizing lens who bonds with glue specially.
The purpose of the utility model is realized through the following technical scheme:
a polarized lens of polarized film and resin lens adhered by glue is prepared as setting upper glue layer and upper resin layer on top surface of polarized film in sequence and setting lower glue layer and lower resin layer on bottom surface of polarized film in sequence.
Bonding is performed between the polarizing film and the upper resin layer through the upper glue layer.
Bonding is performed between the polarizing film and the lower resin layer through the lower glue layer.
The thickness range of the polarizing film is 25-45 micrometers, and the light transmittance is 45-49%.
The glue is prepared from the following components in parts by mass:
the hydrogenated bisphenol A glycidyl ether type epoxy resin is one or more of EP-4080E of Eddy corporation of Japan, HE-5080 of Shanghai Complex New Material Co., Ltd, and HE-5100. The glycidyl ester type epoxy resin is one or more of cyclohexane-1, 2-dicarboxylic acid diglycidyl ester, tetrahydrophthalic acid diglycidyl ester and 4, 5-epoxy cyclohexane-1, 2-dicarboxylic acid diglycidyl ester. The reactive epoxy diluent is one or more of butyl glycidyl ether, 1, 4-butanediol diglycidyl ether, C12-14 alkyl glycidyl ether and 1, 6-hexanediol diglycidyl ether. The dimer acid modified epoxy resin is one or more of EPD-171, EPD-172 and EPD-172L of Shanghai complex new material company Limited. The latent epoxy curing agent is one or more of EH-5031S, EH-5011S, EH-4360S from Aidick, Japan. The solvent is one or more of dimethyl carbonate, ethyl acetate, butyl acetate and xylene. The upper (1) and lower (5) resin layers are composed of a polyurethane material and have a refractive index of 1.60 +/-0.01. The upper resin layer (1) and the lower resin layer (5) are obtained by casting resin lens raw material liquid on two sides of a polarizing film and curing and molding. The polarizing film (3) has a thickness of 25-45 μm and a light transmittance of 45-49%.
Compared with the prior art, the utility model has the positive effects that:
the utility model discloses use epoxy to bond the main part resin of special glue as polarizing film and lens, utilize the high characteristics of epoxy bonding strength, make polarizing film and resin lens firmly bond together, the difficult fracture of lens, long service life.
The utility model discloses use hydrogenation type epoxy, do not contain the benzene ring in the resin, the resistant yellowing performance of glue layer is good, can be high temperature resistant and ultraviolet resistant.
Drawings
Fig. 1 a schematic structural diagram of the present application:
the labels in the figures are:
1, coating a resin layer on the substrate,
2 applying a glue layer on the surface of the substrate,
3 a polarizing film of a polarizing film,
4, a glue layer is arranged below the upper layer,
and 5, a lower resin layer.
Detailed Description
The following provides a specific embodiment of the polarized lens of the polarized film and the resin lens bonded by glue.
Example 1
Referring to fig. 1, a polarized film and a polarized lens of a resin lens bonded by glue, which comprises a polarized film, is characterized in that an upper glue layer 2 and an upper resin layer 1 are sequentially disposed on the upper surface of a polarized film 3, and a lower glue layer 4 and a lower resin layer 5 are sequentially disposed on the lower surface of the polarized film.
The thickness of the selected polarizing film is 35 microns, and the light transmittance is 49%.
The glue used for the upper glue layer 2 and the lower glue layer 4 is prepared from the following components in parts by mass:
the glue preparation process comprises the following steps:
adding hydrogenated bisphenol A glycidyl ether type epoxy resin EP-4080E, cyclohexane-1, 2-dicarboxylic acid diglycidyl ester, 1, 4-butanediol diglycidyl ether, dimer acid modified epoxy resin EPD-171 and dimethyl carbonate into a container, and stirring at room temperature for 0.5 hour to fully mix the components;
slowly adding the latent epoxy curing agent EH-5031S, and continuously stirring for 30min after the adding is finished;
filtering and testing viscosity. The viscosity was measured to be 12cps @25 ℃.
Pretreating the polarizing film, heating, shaping, bending, cutting and molding the polarizing film, immersing the polarizing film into the glue, keeping the polarizing film for 20-40 seconds, pulling the polarizing film out of the glue at a pulling speed of less than 1.0 cm/min, sending the polarizing film into an oven, keeping the polarizing film at the temperature of 75-80 ℃ for 25-30 minutes. After the polarizing film is dried, a combined polarizing film with a glue layer (2) and a glue layer (4) on both sides of the polarizing film (3) is obtained. Putting the combined polarizing film into a cleaned glass mold, sleeving a rubber ring, and closing the mold to form a mold/polarizing film/mold structure, wherein a cavity is reserved between the mold and the polarizing film for injecting resin lens raw material liquid.
The resin lens raw material is composed of polyurethane resin MR-8A, polythiol MR-8B1 and MR-8B2 of Mitsui chemical company, Japan, and additives such as catalyst and toner, and is mixed uniformly to obtain the resin lens raw material liquid. And injecting the resin lens raw material liquid into the mold cavity, and putting the mold cavity into a curing oven for curing. And (3) trimming and cleaning the cured lens, and carrying out secondary curing to obtain the polyurethane polarized lens with the structure and containing the glue layer.
Example 2
Referring to fig. 1, a polarized film and a polarized lens of a resin lens bonded by glue, which comprises a polarized film, is characterized in that an upper glue layer 2 and an upper resin layer 1 are sequentially disposed on the upper surface of a polarized film 3, and a lower glue layer 4 and a lower resin layer 5 are sequentially disposed on the lower surface of the polarized film.
The polarizing film is 30 microns thick and has a light transmittance of 45%.
The glue used for the upper glue layer 2 and the lower glue layer 4 is prepared from the following components in parts by mass:
the glue preparation process comprises the following steps:
adding hydrogenated bisphenol A glycidyl ether type epoxy resin HE-5080, 4, 5-epoxycyclohexane-1, 2-dicarboxylic acid diglycidyl ester, 1, 6-hexanediol diglycidyl ether, dimer acid modified epoxy resin EPD-172L and xylene into a container, and stirring at room temperature for 0.5 hour to fully mix the components;
slowly adding the latent epoxy curing agent EH-5011S, and continuing to stir for 30min after the addition is finished;
filtering and testing viscosity. The viscosity was measured to be 14.5cps @25 ℃.
The glue and lens preparation process of this example were similar to those of example 1 to obtain a polyurethane polarized lens comprising a glue layer of the structure described above.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the concept of the present invention, and these improvements and decorations should also be considered as within the protection scope of the present invention.
Claims (4)
1. A polarized lens of polarized film and resin lens adhered by glue is prepared as setting upper glue layer and upper resin layer on top surface of polarized film in sequence and setting lower glue layer and lower resin layer on bottom surface of polarized film in sequence.
2. The polarized film and resin lens polarized lens bonded exclusively with glue according to claim 1, wherein the bonding is performed between the polarized film and the upper resin layer by means of a rubberized water layer.
3. The polarized film and resin lens polarized lens bonded exclusively with glue according to claim 1, wherein the bonding is performed between the polarized film and the lower resin layer through the lower glue layer.
4. The polarized film and resin lens polarized lens bonded specially with glue according to claim 1, wherein the polarized film has a thickness ranging from 25 to 45 μm and a transmittance of 45 to 49%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921664940.5U CN210488166U (en) | 2019-10-08 | 2019-10-08 | Polarizing film and resin lens polarized lens bonded by glue specially |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921664940.5U CN210488166U (en) | 2019-10-08 | 2019-10-08 | Polarizing film and resin lens polarized lens bonded by glue specially |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210488166U true CN210488166U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921664940.5U Active CN210488166U (en) | 2019-10-08 | 2019-10-08 | Polarizing film and resin lens polarized lens bonded by glue specially |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114106757A (en) * | 2021-12-07 | 2022-03-01 | 上海昀通电子科技有限公司 | Low-precipitation single-component epoxy adhesive and preparation method and application thereof |
-
2019
- 2019-10-08 CN CN201921664940.5U patent/CN210488166U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114106757A (en) * | 2021-12-07 | 2022-03-01 | 上海昀通电子科技有限公司 | Low-precipitation single-component epoxy adhesive and preparation method and application thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: South side of Railway Avenue, Shanxiatan Village, Shaojiadu Street, Linhai City, Taizhou City, Zhejiang Province, 317006 Patentee after: Zhejiang Weixing Optics Co.,Ltd. Address before: 317300 south side of railway Avenue, shanxiatan village, shaojiadu street, Linhai City, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG WEIXING OPTICAL Co.,Ltd. |
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| CP03 | Change of name, title or address |