CN211280455U - Gilt transfer film of fresnel lens location - Google Patents
Gilt transfer film of fresnel lens location Download PDFInfo
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- CN211280455U CN211280455U CN201922035594.0U CN201922035594U CN211280455U CN 211280455 U CN211280455 U CN 211280455U CN 201922035594 U CN201922035594 U CN 201922035594U CN 211280455 U CN211280455 U CN 211280455U
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Abstract
The utility model discloses a gilt transfer film of fresnel lens location, including the PET membrane of superpose in proper order, from type layer, chromatograph, barrier layer and gum layer, be 2.2-2.5 mu m from the thickness after type layer and chromatograph stack, the one side impression that corresponds the barrier layer on the chromatograph has slim fresnel lens, and fresnel lens extends to from the type in situ, and fresnel lens's degree of depth is 1.2-1.5 mu m. The utility model discloses a PET membrane strippable, comparatively environmental protection can directly be gilt simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the transfer film technique and specifically relates to a gilt transfer film of fresnel lens location is related to.
Background
The traditional Fresnel lens adopts a 'diamond cutting' mode to carve a cylinder, only concentric circle effect can be carved, the depth and the grain fineness of the traditional Fresnel lens are greatly influenced by a diamond cutter, and the grain depth and the shallowest depth of the traditional Fresnel lens are 5-6 mu m. The Fresnel lens optical film manufacturing method is that a chemical connecting layer, a UV layer, an embossing layer, an aluminum coating layer and an adhesive layer are sequentially superposed on a PET film, the PET film and the UV layer can be combined together only through the chemical connecting layer, but the PET film cannot be peeled off from the chemical connecting layer at the later stage. Due to the existence of the PET base film, the Fresnel lens film laminating card is not environment-friendly, cannot be transferred to be used as a gold stamping material, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a gilt transfer film of fresnel lens location, can directly do gilt, the PET membrane can peel off, comparatively environmental protection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a gilt transfer film of fresnel lens location, includes PET membrane, from type layer, chromatograph, barrier layer and the gum layer of superpose in proper order, thickness after stacking from type layer and chromatograph is 2.2-2.5 mu m, the one side impression that corresponds the barrier layer on the chromatograph has thin fresnel lens, fresnel lens extends to in the type layer, and fresnel lens's degree of depth is 1.2-1.5 mu m.
The components of the release layer and the color layer are both a mixture of acrylic resin and cellulose.
The thickness of the release layer is larger than that of the color layer.
The thickness of the release layer is 1.6-1.8 μm, and the thickness of the color layer is 0.6-0.7 μm.
The barrier layer is a vacuum aluminum-plated layer or a transparent zinc sulfide dielectric layer.
The utility model has the advantages that: can directly impress slim fresnel lens from type layer and chromatograph stack back, the PET membrane can peel off separately with type layer, and this product environmental protection just can directly be gilt.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: PET membrane 1, release layer 2, chromatograph 3, barrier layer 4, gum layer 5.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, a fresnel lens positioning gold stamping transfer film comprises a PET film 1, a release layer 2, a color layer 3, a barrier layer 4 and a gum layer 5 which are sequentially stacked, wherein the gum layer 5 is made of waterborne polyurethane, the gum layer 5 can be matched with a gold stamping process of a customer, the gum layer 5 is viscous after being heated and melted and is attached to a gold stamping substrate, namely, a coating is transferred to the substrate, and the transferred coating is the release layer 2, the color layer 3, the barrier layer 4 and the gum layer 5, namely, the rest parts except the PET film 1.
The thickness of the superposed release layer 2 and color layer 3 is 2.2-2.5 μm, the components of the release layer 2 and the color layer 3 are both a mixture of acrylic resin and cellulose, and the mass ratio of the acrylic resin to the cellulose is 9: 1. The release layer 2 and the color layer 3 adopt a coating process, and different anilox rollers are adopted during coating, so that the thickness of the anilox rollers is different due to the different anilox rollers, and other parameters are the same. The temperature of the mould pressing after coating is 170-180 ℃, the pressure of the compression roller is 0.3-0.4MPa, and the speed of the car is 100-120 m/min.
The thickness of the release layer 2 is larger than that of the color layer 3. The thickness of the release layer 2 is 1.6-1.8 μm, and the thickness of the color layer 3 is 0.6-0.7 μm.
Thickness from type layer 2 is great, ensures that thickness can enough impress slim fresnel lens, because the coating is level and smooth inadequately behind type layer 2 for the first time, unsmooth more, if level and smooth inadequately, fresnel lens reflection of light effect just receives the influence. Thus, after the first coating is dried, a second coating of a thinner color layer 3 is performed to increase the surface flatness.
A thin Fresnel lens is stamped on one surface, corresponding to the barrier layer 4, of the color layer 3, the Fresnel lens extends into the release layer 2, the depth of the Fresnel lens is 1.2-1.5 microns, and the color layer 3 is stamped by a plate roller coated with a working plate of the Fresnel lens, so that the Fresnel lens can be obtained. The thin Fresnel lens is formed by photoetching, namely, a Fresnel lens pattern is obtained on a master plate through laser engraving, the master plate is made into a mould pressing master plate, the mould pressing master plate is made into a working plate suitable for mould pressing equipment, and the working plate is coated on a forming plate roller of the mould pressing equipment.
The utility model discloses a slim fresnel lens is slim cat eye promptly, and slim cat eye adopts laser photoetching concentric circles screw thread mode, and slim cat eye degree of depth is below 2.5 mu m, and the mould pressing mode that can adopt is UV mould pressing complex film or hot pressing compound/transfer film, and is effectual, with low costs.
The barrier layer 4 is a vacuum aluminum-plated layer or a transparent zinc sulfide dielectric layer, the thickness of the barrier layer 4 is 0.03-0.04 mu m, and the barrier layer 4 can protect the Fresnel lens and can also enhance the reflection effect of the Fresnel lens.
The utility model discloses a PET membrane 1 can peel off, comparatively environmental protection, can directly do gilt simultaneously.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. The utility model provides a gilt transfer film of Fresnel lens location which characterized in that: including PET membrane (1) of superpose in proper order, from type layer (2), chromatograph (3), barrier layer (4) and gum layer (5), thickness after stacking from type layer (2) and chromatograph (3) is 2.2-2.5 mu m, the one side impression that corresponds barrier layer (4) on chromatograph (3) has thin fresnel lens, fresnel lens extends to in type layer (2), and fresnel lens's degree of depth is 1.2-1.5 mu m.
2. The fresnel lens positioning bronzing transfer film according to claim 1, wherein: the thickness of the release layer (2) is larger than that of the color layer (3).
3. The fresnel lens positioning bronzing transfer film according to claim 2, wherein: the thickness of the release layer (2) is 1.6-1.8 μm, and the thickness of the color layer (3) is 0.6-0.7 μm.
4. The fresnel lens positioning bronzing transfer film according to claim 1, wherein: the barrier layer (4) is a vacuum aluminum-plated layer or a transparent zinc sulfide dielectric layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922035594.0U CN211280455U (en) | 2019-11-22 | 2019-11-22 | Gilt transfer film of fresnel lens location |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922035594.0U CN211280455U (en) | 2019-11-22 | 2019-11-22 | Gilt transfer film of fresnel lens location |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211280455U true CN211280455U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922035594.0U Active CN211280455U (en) | 2019-11-22 | 2019-11-22 | Gilt transfer film of fresnel lens location |
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| CN (1) | CN211280455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025213750A1 (en) * | 2024-04-08 | 2025-10-16 | 慕德微纳(杭州)科技有限公司 | Fresnel lens film for vision correction, and optical waveguide lens |
-
2019
- 2019-11-22 CN CN201922035594.0U patent/CN211280455U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025213750A1 (en) * | 2024-04-08 | 2025-10-16 | 慕德微纳(杭州)科技有限公司 | Fresnel lens film for vision correction, and optical waveguide lens |
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