CN111923547A - Diaphragm with micro-nano grating structure and manufacturing method thereof - Google Patents

Diaphragm with micro-nano grating structure and manufacturing method thereof Download PDF

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Publication number
CN111923547A
CN111923547A CN202010965611.5A CN202010965611A CN111923547A CN 111923547 A CN111923547 A CN 111923547A CN 202010965611 A CN202010965611 A CN 202010965611A CN 111923547 A CN111923547 A CN 111923547A
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China
Prior art keywords
layer
nano
micro
grating structure
coating
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Pending
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CN202010965611.5A
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Chinese (zh)
Inventor
黄斗兴
伍超孝
曹慧芬
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Shanghai Hongdun Anti Counterfeit Material Co ltd
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Shanghai Hongdun Anti Counterfeit Material Co ltd
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Priority to CN202010965611.5A priority Critical patent/CN111923547A/en
Publication of CN111923547A publication Critical patent/CN111923547A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/35—Heat-activated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B32B2255/205—Metallic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/10—Presence of inorganic materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/10—Presence of inorganic materials
    • C09J2400/16—Metal
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2423/00—Presence of polyolefin
    • C09J2423/10—Presence of homo or copolymers of propene
    • C09J2423/106—Presence of homo or copolymers of propene in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2427/00—Presence of halogenated polymer
    • C09J2427/006—Presence of halogenated polymer in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00—Presence of (meth)acrylic polymer
    • C09J2433/003—Presence of (meth)acrylic polymer in the primer coating
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2455/00—Presence of ABS
    • C09J2455/006—Presence of ABS in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2467/00—Presence of polyester
    • C09J2467/006—Presence of polyester in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2469/00—Presence of polycarbonate
    • C09J2469/006—Presence of polycarbonate in the substrate

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

The technical scheme of the invention discloses a membrane with a micro-nano grating structure and a manufacturing method thereof, wherein the membrane comprises a back adhesive layer, a substrate layer, a bottom coating layer, an image layer, a nano coating layer, a protective film layer and a printing layer which are sequentially stacked, wherein a micro-nano grating structure pattern is formed on the image layer. The membrane with the micro-nano grating structure has high temperature resistance, strong interlayer bonding force and excellent aging resistance, and can meet the use requirements of most packaging and card products.

Description

Diaphragm with micro-nano grating structure and manufacturing method thereof
Technical Field
The invention relates to the technical field of composite membranes, in particular to a membrane with a micro-nano grating structure and a manufacturing method thereof.
Background
The micro-nano grating structure is applied to a plastic film, can be used for manufacturing a laser film with a holographic effect, and is often used in the field of packaging or cards. At present, the most extensive laser films are mainly made of three types of PET, PVC and PP, but the three laser films have some problems in the using process, for example, the micro-nano grating structure is damaged to influence the holographic effect because of poor interlayer bonding force or coating falling or mask separation caused by water intolerance, and the micro-nano grating structure is damaged due to high temperature in the subsequent manufacturing process, or the micro-nano grating structure is not aged to cause color change and yellowing, so that the laser films can be generally only used for some low-end products, and have great problems in the aspects of performance and service life when being applied to high-end products requiring high performance.
Disclosure of Invention
The invention solves the technical problems that the film in the prior art can cause coating falling or mask separation due to poor interlayer bonding force or water intolerance, the micro-nano grating structure is damaged due to higher temperature in the subsequent manufacturing process, the holographic effect is influenced, or the color is changed and yellowed due to aging intolerance.
In order to solve the technical problems, the technical scheme of the invention provides a membrane with a micro-nano grating structure, wherein the membrane comprises a back adhesive layer, a substrate layer, a bottom coating layer, an image layer, a nano coating layer, a protective film layer and a printing layer which are sequentially stacked, wherein a micro-nano grating structure pattern is formed on the image layer.
Optionally, the back adhesive layer is made of a hot melt adhesive.
Optionally, the material of substrate layer is any one or two kinds of composites in PVC, PETG, PET, PC, ABS, the thickness of substrate layer is 12 ~ 400 microns.
Optionally, the primer layer is made of an acrylic primer, and the thickness of the primer layer is 0.5-5 micrometers.
Optionally, the material of the image layer is a two-component or multi-component reaction type resin, and the thickness of the image layer is 0.5-10 micrometers.
Optionally, the nano coating is made of a high-reflection metal, a metal compound or a metal compound nano composite material, and the thickness of the nano coating is 200-500 angstroms.
Optionally, the nano coating is made of zinc sulfide, aluminum, copper, zinc, tin, magnesium fluoride, silicon dioxide or selenium sulfide.
Optionally, the material of the protective film layer is any one of PET, PVC, PP, PETG, PC, and ABS, and the thickness of the protective film layer is 10-100 micrometers.
In order to solve the technical problem, the technical solution of the present invention further provides a method for manufacturing a membrane with a micro-nano grating structure, wherein the method for manufacturing the membrane comprises:
step 1: preparing a base material layer;
step 2: priming and coating a bottom coating on the surface of the base material layer;
and step 3: coating an image layer on the base coat;
and 4, step 4: transferring the micro-nano grating structure pattern on the image layer by a mould pressing process;
and 5: plating a nano coating on the image layer by a physical vapor deposition process, a chemical vapor deposition process, a vacuum plating process or a nano coating process;
step 6: attaching a protective film layer on the nano coating by a composite process;
and 7: coating a printing layer on the protective film layer;
and 8: and coating a back glue layer on the back surface of the base material layer.
The technical scheme of the invention has the beneficial effects that:
the membrane with the micro-nano grating structure has high temperature resistance, strong interlayer bonding force and excellent aging resistance, and can meet the use requirements of most packaging and card products.
Drawings
Fig. 1 is a schematic structural diagram of a membrane with a micro-nano grating structure in an embodiment of the present invention.
In the drawings: 1 is a back glue layer, 2 is a substrate layer, 3 is a bottom coating layer, 4 is an image layer, 5 is a nano coating layer, 6 is a protective film layer, and 7 is a printing layer.
The specific implementation mode is as follows:
the invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
Referring to fig. 1, a membrane with a micro-nano grating structure according to an embodiment is shown, where the membrane includes a back adhesive layer 1, a substrate layer 2, a bottom coating layer 3, an image layer 4, a nano coating layer 5, a protective film layer 6, and a printing layer 7, which are sequentially stacked, where a micro-nano grating structure pattern is formed on the image layer 4.
In this embodiment, the material of the back adhesive layer 1 is hot melt adhesive.
In this embodiment, the material of the substrate layer 2 is any one or two of polyvinyl chloride (PVC), polyethylene terephthalate-1, 4-cyclohexanedimethanol ester (PETG), polyester resin (PET), Polycarbonate (PC) and ABS plastic, and the thickness of the substrate layer 2 is 12 to 400 micrometers.
In this embodiment, the material of the bottom coating 3 is an acrylic acid system bottom coating, and the thickness of the bottom coating 3 is 0.5 to 5 micrometers, so as to ensure the flatness of the surface after priming.
In this embodiment, the material of the image layer 4 is a two-component or multi-component reaction type resin, and the thickness of the image layer 4 is 0.5 to 10 μm.
In this embodiment, the material of the nano-coating 5 is a high-reflective metal, a metal compound or a metal compound nano-composite material, and the thickness of the nano-coating 5 is 200 to 500 angstroms.
In this embodiment, the nano coating 5 is made of zinc sulfide, aluminum, copper, zinc, tin, magnesium fluoride, silicon dioxide, or selenium sulfide.
In this embodiment, the protective film layer 6 is made of any one of polyester resin (PET), polyvinyl chloride (PVC), polypropylene (PP), polyethylene terephthalate-1, 4-cyclohexanedimethanol ester (PETG), Polycarbonate (PC), and ABS plastic, and the thickness of the protective film layer 6 is 10 to 100 μm.
The features and functions of the present invention will be further understood from the following description.
The embodiment also provides a manufacturing method of the membrane with the micro-nano grating structure, wherein the manufacturing method comprises the following steps:
step 1: first, the base material layer 2 is prepared.
Step 2: secondly, priming and coating a bottom coating 3 on the surface of the substrate layer 2, wherein the bottom coating 3 is used for increasing the bonding force between the image layer 4 and the substrate layer 2; the primer layer 3 may be omitted depending on the material and the firmness requirement of the substrate layer 2, and the primer layer 3 is generally acrylic, and may be any one of polybutadiene, polyethyleneimine and isocyanate, as the case may be. And the coated side of the base material layer 2 is subjected to corona treatment to increase the adhesion of the base coating layer 3 on the base material layer 2 before the base coating layer 3 is coated. According to the difference of 2 temperature resistance of substrate layer, the stoving temperature should be adjusted in 60 ~ 150 ℃ within range during the coating under coat 3, avoids the substrate to rub and takes place the deformation, and follow-up all stoving temperatures that need the coating process are within this temperature interval equally.
And step 3: then, the image layer 4 is coated on the undercoat layer 3.
And 4, step 4: next, transferring the micro-nano grating structure pattern on the image layer 4 through a mould pressing process, and fully crosslinking and curing the resin of the image layer 4 at a certain temperature to increase the temperature resistance; the resin of the image layer 4 is a reactive acrylic resin, and comprises, by weight, 25-40% of propylene polyol, 40-60% of ethyl acetate, 1-5% of a polyol compound, 1-5% of a silane coupling agent, 5-10% of diisocyanate, 0.1-1% of a leveling agent and 0.1-1% of an anti-sticking agent. Moreover, the thickness of the image layer 4 is generally between 0.5 and 10 micrometers according to the different depths of the grating structures; the resin of the image layer 4 has a low glass transition temperature (TG temperature) before cross-linking and curing, the micro-nano grating structure can be transferred at a low temperature, and the glass transition temperature (TG temperature) can reach more than 150 ℃ after curing.
And 5: next, the image layer 4 is coated with the nano coating 5 by a physical vapor deposition process, a chemical vapor deposition process, a vacuum plating process, or a nano coating process, preferably, the vacuum plating process is selected in the embodiment, and the nano coating 5 can increase the brightness of the image. The true plating side (i.e., the surface of the image layer 4) is corona treated prior to vacuum plating of the nanocoating 5 to increase plating fastness (i.e., fastness between the image layer 4 and the nanocoating 5).
Step 6: and a protective film layer 6 is attached to the nano coating 5 through a composite process, so that the overall wear resistance, the melt resistance and the thermal stability of the membrane are improved, and the protective film layer 6 can be omitted according to different membrane product requirements, depending on specific conditions.
And 7: and then, coating a printing layer 7 on the protective film layer 6 to improve the printing adaptability of the membrane, wherein the printing layer 7 is at least suitable for one or more printing modes of offset printing, silk-screen printing and laser printer ink-jet printing.
And 8: and finally, coating the back glue layer 1 on the back surface of the substrate layer 2, wherein the back glue layer 1 can be optional according to different materials of the substrate layer 2 and the using method of the whole membrane, and is determined according to specific conditions.
In conclusion, the membrane with the micro-nano grating structure has high temperature resistance, strong interlayer bonding force and excellent aging resistance, and can meet the use requirements of most packaging and card products.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims (9)

1. The utility model provides a diaphragm with micro-nano grating structure, its characterized in that, the diaphragm constitutes including gum layer, substrate layer, under coat, image layer, nano coating, protection rete and the printing layer that stacks gradually, wherein, be formed with micro-nano grating structure pattern on the image layer.
2. The membrane with the micro-nano grating structure according to claim 1, wherein the back adhesive layer is made of a hot melt adhesive.
3. The membrane with the micro-nano grating structure according to claim 1, wherein the substrate layer is made of any one or two of PVC, PETG, PET, PC and ABS, and the thickness of the substrate layer is 12-400 microns.
4. The membrane with the micro-nano grating structure according to claim 1, wherein the base coat is made of an acrylic acid system base coat, and the thickness of the base coat is 0.5-5 micrometers.
5. The membrane with the micro-nano grating structure as claimed in claim 1, wherein the image layer is made of two-component or multi-component reaction type resin, and the thickness of the image layer is 0.5-10 μm.
6. The membrane with the micro-nano grating structure according to claim 1, wherein the nano coating is made of a high-reflection metal, a metal compound or a metal compound nano composite material, and the thickness of the nano coating is 200-500 angstroms.
7. The membrane with the micro-nano grating structure according to claim 6, wherein the nano coating is made of zinc sulfide, aluminum, copper, zinc, tin, magnesium fluoride, silicon dioxide or selenium sulfide.
8. The membrane with the micro-nano grating structure according to claim 1, wherein the protective film layer is made of any one of PET, PVC, PP, PETG, PC and ABS, and the thickness of the protective film layer is 10-100 micrometers.
9. A manufacturing method of a membrane with a micro-nano grating structure is characterized by comprising the following steps:
step 1: preparing a base material layer;
step 2: priming and coating a bottom coating on the surface of the base material layer;
and step 3: coating an image layer on the base coat;
and 4, step 4: transferring the micro-nano grating structure pattern on the image layer by a mould pressing process;
and 5: plating a nano coating on the image layer by a physical vapor deposition process, a chemical vapor deposition process, a vacuum plating process or a nano coating process;
step 6: attaching a protective film layer on the nano coating by a composite process;
and 7: coating a printing layer on the protective film layer;
and 8: and coating a back glue layer on the back surface of the base material layer.
CN202010965611.5A 2020-09-15 2020-09-15 Diaphragm with micro-nano grating structure and manufacturing method thereof Pending CN111923547A (en)

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN112921702A (en) * 2021-02-24 2021-06-08 福建省天琴新材料科技有限公司 Patch material and manufacturing method thereof
CN113736389A (en) * 2021-09-06 2021-12-03 上海宏盾防伪材料有限公司 Method for manufacturing anti-copy laser anti-counterfeiting film and structure thereof
CN114316816A (en) * 2021-12-16 2022-04-12 深圳九星印刷包装集团有限公司 Method for preparing embossing film and stereo grating

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CN107399178A (en) * 2017-08-08 2017-11-28 武汉华工图像技术开发有限公司 A kind of holographic thermoprinted film of heatproof
CN108682284A (en) * 2018-05-24 2018-10-19 武汉华工图像技术开发有限公司 It is a kind of accurately to wash optical anti-counterfeiting film of aluminium and preparation method thereof
CN209947277U (en) * 2019-07-04 2020-01-14 武汉华工图像技术开发有限公司 PVC laminated anti-fake film and anti-fake certificate card
CN213767552U (en) * 2020-09-15 2021-07-23 上海宏盾防伪材料有限公司 Diaphragm with micro-nano grating structure

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CN103963538A (en) * 2013-02-01 2014-08-06 黄瑜贞 Printing decoration film with stereoscopic effect, and its decoration plastic product
CN106965582A (en) * 2017-04-13 2017-07-21 北京康得新功能材料有限公司 A kind of 3D rendering effect pre-coating film and preparation method thereof
CN107399178A (en) * 2017-08-08 2017-11-28 武汉华工图像技术开发有限公司 A kind of holographic thermoprinted film of heatproof
CN108682284A (en) * 2018-05-24 2018-10-19 武汉华工图像技术开发有限公司 It is a kind of accurately to wash optical anti-counterfeiting film of aluminium and preparation method thereof
CN209947277U (en) * 2019-07-04 2020-01-14 武汉华工图像技术开发有限公司 PVC laminated anti-fake film and anti-fake certificate card
CN213767552U (en) * 2020-09-15 2021-07-23 上海宏盾防伪材料有限公司 Diaphragm with micro-nano grating structure

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CN112921702A (en) * 2021-02-24 2021-06-08 福建省天琴新材料科技有限公司 Patch material and manufacturing method thereof
CN113736389A (en) * 2021-09-06 2021-12-03 上海宏盾防伪材料有限公司 Method for manufacturing anti-copy laser anti-counterfeiting film and structure thereof
CN113736389B (en) * 2021-09-06 2023-05-02 上海宏盾防伪材料有限公司 Manufacturing method and structure of anti-copying laser anti-counterfeiting film
CN114316816A (en) * 2021-12-16 2022-04-12 深圳九星印刷包装集团有限公司 Method for preparing embossing film and stereo grating

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