A high-hardness wear-resistant reflective film
By adopting a combined structure of hardness and wear resistance in the reflective film, the existing reflective films are solved, and higher optical and physical and chemical properties are achieved.
Patent Information
- Application Number
- CN202411722146.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-04-04
AI Technical Summary
The existing reflective films have shortcomings in optical performance and physical and chemical properties, and it is difficult to meet the high requirements of the display system for hardness and wear resistance.
Using a structure including a reflective substrate, a hardened coating and a low refractive index coating, the hardened coating consists of a photosensitive monomer, a prepolymer, an ultraviolet initiator and an ultraviolet crosslinker, coated by slits or micro-concave rollers and heat-drying and UV curing.
By increasing the bonding force between the hardened coating and the low refractive index coating, the hardness and wear resistance of the reflective film are significantly improved.
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Abstract
Description
Technical Field
[0001] The invention relates to a reflective film. Background Art
[0002] With the rapid development of display technology, more and more digital display screen products are integrated into people's lives. Among them, digital products such as smart phones and tablets play an increasingly important role in our study and work. With the update and iteration of display systems, the requirements for the optical and physical and chemical properties of reflective films are becoming higher and higher. There is an urgent need to develop reflective films with high hardness and strong wear resistance. Summary of the invention
[0003] In order to overcome the shortcomings of the reflective film in the prior art, the present invention provides a high-hardness and wear-resistant reflective film.
[0004] The technical solution of the present invention to solve the technical problem is: a high-hardness wear-resistant reflective film, comprising a reflective substrate, a hardened coating disposed on the reflective substrate, and a low-refractive index coating disposed on the hardened coating, wherein the hardened coating has a thickness of 3 to 5 microns, and the low-refractive index coating has a thickness of 80 to 120 nanometers; The hardened glue consists of the following components in molar proportions: Photosensitive monomer 40-60 parts Prepolymer 30-50 parts 5-10 parts of UV initiator 5-10 parts UV crosslinker Solvent 1-5 parts The hard coating is applied by: The hardened glue is applied to the reflective substrate through a slit or micro-concave roller, and then heat-dried and UV-cured to form a hardened film; The coating method of the low refractive index coating is: Apply low-refractive-index UV glue, then heat-dry and UV-cure to form an anti-reflective film.
[0005] Preferably, when applying the hardened coating, the thermal drying temperature is 105-120° C., and the drying time is 1-3 minutes; UV curing uses ultraviolet light with a wavelength range of 315-400 nm for light irradiation treatment, and the irradiation time is 1-5 minutes.
[0006] Preferably, when applying the low refractive index coating, the thermal drying temperature is 105-120° C., and the drying time is 1-3 minutes; UV curing uses ultraviolet light with a wavelength range of 315-400 nm for light irradiation treatment, and the irradiation time is 1-5 minutes.
[0007] Preferably, the photosensitive monomer is methyl methacrylate; The prepolymer is epoxy acrylate or polyurethane acrylate; The ultraviolet light initiator is benzoin, or benzoin dimethyl ether, or benzoin ethyl ether, or benzoin isopropyl ether, or benzoin butyl ether, or diphenyl acetone, or Michler's ketone, or thiopropoxythioxanthone, or isopropylthioxanthone, or diaryl iodonium salt, or triaryl iodonium salt, or alkyl iodonium salt, or isopropyl ferrocenium hexafluorophosphate The ultraviolet crosslinking agent is trimethylolpropane trimethacrylate, or trimethylolpropane triacrylate, or triallyl cyanurate, or triallyl isocyanurate. The solvent is ethyl acetate or toluene.
[0008] The beneficial effect of the present invention is that: by means of slit-type or micro-concave roller coating, the ultraviolet light initiator and the ultraviolet light crosslinker in the hardened glue are used to initiate the ultraviolet light initiator under UV light to promote the crosslinking reaction of the carbon-carbon double bonds in the hardened glue, thereby greatly increasing the bonding force between the hardened coating and the low refractive index coating, and improving the hardness and wear resistance. DETAILED DESCRIPTION
[0009] The present invention is further described in detail below in conjunction with specific implementation modes.
[0010] Embodiment 1, a high-hardness wear-resistant reflective film, including a reflective substrate (usually PET, of course it can also be PBT, PEN), and also includes a hardened coating provided on the reflective substrate, and a low-refractive index coating provided on the hardened coating. The thickness of the hardened coating is controlled between 3 and 5 microns, and the thickness of the low-refractive index coating is controlled between 80 and 120 nanometers.
[0011] The hardened glue consists of the following components in molar proportions: Photosensitive monomer methyl methacrylate 50 parts Prepolymer epoxy acrylate 40 parts 8 parts of UV light initiator benzoin UV crosslinking agent trimethylolpropane trimethacrylate 7 parts Solvent ethyl acetate 3 parts The coating method of the hardening coating is: applying the hardening glue on the reflective substrate through a slit or a micro-concave roller, and then forming a hardened film through heat drying and UV curing. When applying the hardening coating, the heat drying temperature is controlled between 105 and 120°C, and the drying time is controlled within 1 to 3 minutes. UV curing uses ultraviolet light with a wavelength range of 315 to 400nm for light irradiation treatment, and the illumination time is controlled within 1 to 5 minutes.
[0012] The coating method of the low refractive index coating is: coating low refractive index UV glue, and then forming an anti-reflective film through heat drying and UV curing. The low refractive index UV glue is an existing material in the prior art, and commercially available low refractive index UV glue can be used, such as the low refractive index UV glue model NOA148 of Norland Products Inc. of the United States.
[0013] Embodiment 2, a high-hardness wear-resistant reflective film, includes a reflective substrate (usually PET, but it can also be PBT, PEN), a hardened coating provided on the reflective substrate, and a low-refractive index coating provided on the hardened coating. The thickness of the hardened coating is controlled between 3 and 5 microns, and the thickness of the low-refractive index coating is controlled between 80 and 120 nanometers.
[0014] The hardened glue consists of the following components in molar proportions: Photosensitive monomer methyl methacrylate 40 parts Prepolymer polyurethane acrylate 32 parts UV light initiator benzoin dimethyl ether 7 parts UV crosslinking agent trimethylolpropane triacrylate 10 parts Solvent Toluene 4.5 parts The coating method of the hardening coating is: applying the hardening glue on the reflective substrate through a slit or a micro-concave roller, and then forming a hardened film through heat drying and UV curing. When applying the hardening coating, the heat drying temperature is controlled between 105 and 120°C, and the drying time is controlled within 1 to 3 minutes. UV curing uses ultraviolet light with a wavelength range of 315 to 400nm for light irradiation treatment, and the illumination time is controlled within 1 to 5 minutes.
[0015] The coating method of the low refractive index coating is: coating low refractive index UV glue, and then forming an anti-reflective film through heat drying and UV curing. The low refractive index UV glue is an existing material in the prior art, and commercially available low refractive index UV glue can be used, such as the low refractive index UV glue model NOA148 of Norland Products Inc. of the United States.
[0016] Embodiment 3, a high-hardness wear-resistant reflective film, comprising a reflective substrate (usually PET, but it can also be PBT, PEN), a hardened coating disposed on the reflective substrate, and a low-refractive-index coating disposed on the hardened coating. The thickness of the hardened coating is controlled between 3 and 5 microns, and the thickness of the low-refractive-index coating is controlled between 80 and 120 nanometers.
[0017] The hardened glue consists of the following components in molar proportions: Photosensitive monomer methyl methacrylate 60 parts Prepolymer polyurethane acrylate 35 parts 7.5 parts of UV light initiator benzoin ethyl ether UV crosslinking agent triallyl cyanurate 5 parts Solvent ethyl acetate 4 parts The coating method of the hardening coating is: applying the hardening glue on the reflective substrate through a slit or a micro-concave roller, and then forming a hardened film through heat drying and UV curing. When applying the hardening coating, the heat drying temperature is controlled between 105 and 120°C, and the drying time is controlled within 1 to 3 minutes. UV curing uses ultraviolet light with a wavelength range of 315 to 400nm for light irradiation treatment, and the illumination time is controlled within 1 to 5 minutes.
[0018] The coating method of the low refractive index coating is: coating low refractive index UV glue, and then forming an anti-reflective film through heat drying and UV curing. The low refractive index UV glue is an existing material in the prior art, and commercially available low refractive index UV glue can be used, such as the low refractive index UV glue model NOA148 of Norland Products Inc. of the United States.
[0019] Embodiment 4, a high-hardness wear-resistant reflective film, including a reflective substrate (usually PET, of course it can also be PBT, PEN), and also includes a hardened coating provided on the reflective substrate, and a low-refractive index coating provided on the hardened coating. The thickness of the hardened coating is controlled between 3 and 5 microns, and the thickness of the low-refractive index coating is controlled between 80 and 120 nanometers.
[0020] The hardened glue consists of the following components in molar proportions: Photosensitive monomer methyl methacrylate 53 parts Prepolymer epoxy acrylate 50 parts 5 parts of UV light initiator benzoin isopropyl ether UV crosslinking agent triallyl isocyanurate 5.5 parts Solvent Toluene 2 parts The coating method of the hardening coating is: applying the hardening glue on the reflective substrate through a slit or a micro-concave roller, and then forming a hardened film through heat drying and UV curing. When applying the hardening coating, the heat drying temperature is controlled between 105 and 120°C, and the drying time is controlled within 1 to 3 minutes. UV curing uses ultraviolet light with a wavelength range of 315 to 400nm for light irradiation treatment, and the illumination time is controlled within 1 to 5 minutes.
[0021] The coating method of the low refractive index coating is: coating low refractive index UV glue, and then forming an anti-reflective film through heat drying and UV curing. The low refractive index UV glue is an existing material in the prior art, and commercially available low refractive index UV glue can be used, such as the low refractive index UV glue model NOA148 of Norland Products Inc. of the United States.
[0022] Embodiment 5, a high-hardness wear-resistant reflective film, including a reflective substrate (usually PET, but it can also be PBT, PEN), a hardened coating provided on the reflective substrate, and a low-refractive index coating provided on the hardened coating. The thickness of the hardened coating is controlled between 3 and 5 microns, and the thickness of the low-refractive index coating is controlled between 80 and 120 nanometers.
[0023] The hardened glue consists of the following components in molar proportions: Photosensitive monomer methyl methacrylate 55 parts Prepolymer epoxy acrylate 30 parts 8.2 parts of UV light initiator benzoin butyl ether UV crosslinking agent trimethylolpropane trimethacrylate 9.5 parts Solvent Toluene 1 part The coating method of the hardening coating is: applying the hardening glue on the reflective substrate through a slit or a micro-concave roller, and then forming a hardened film through heat drying and UV curing. When applying the hardening coating, the heat drying temperature is controlled between 105 and 120°C, and the drying time is controlled within 1 to 3 minutes. UV curing uses ultraviolet light with a wavelength range of 315 to 400nm for light irradiation treatment, and the illumination time is controlled within 1 to 5 minutes.
[0024] The coating method of the low refractive index coating is: coating low refractive index UV glue, and then forming an anti-reflective film through heat drying and UV curing. The low refractive index UV glue is an existing material in the prior art, and commercially available low refractive index UV glue can be used, such as the low refractive index UV glue model NOA148 of Norland Products Inc. of the United States.
[0025] Embodiment 6, a high-hardness wear-resistant reflective film, including a reflective substrate (usually PET, of course it can also be PBT, PEN), and also includes a hardened coating provided on the reflective substrate, and a low-refractive index coating provided on the hardened coating. The thickness of the hardened coating is controlled between 3 and 5 microns, and the thickness of the low-refractive index coating is controlled between 80 and 120 nanometers.
[0026] The hardened glue consists of the following components in molar proportions: Photosensitive monomer methyl methacrylate 58 parts Prepolymer polyurethane acrylate 42 parts 10 parts of UV light initiator diphenyl acetophenone UV crosslinking agent trimethylolpropane triacrylate 9 parts Solvent ethyl acetate 5 parts The coating method of the hardening coating is: applying the hardening glue on the reflective substrate through a slit or a micro-concave roller, and then forming a hardened film through heat drying and UV curing. When applying the hardening coating, the heat drying temperature is controlled between 105 and 120°C, and the drying time is controlled within 1 to 3 minutes. UV curing uses ultraviolet light with a wavelength range of 315 to 400nm for light irradiation treatment, and the illumination time is controlled within 1 to 5 minutes.
[0027] The coating method of the low refractive index coating is: coating low refractive index UV glue, and then forming an anti-reflective film through heat drying and UV curing. The low refractive index UV glue is an existing material in the prior art, and commercially available low refractive index UV glue can be used, such as the low refractive index UV glue model NOA148 of Norland Products Inc. of the United States.
[0028] Embodiment 7, a high-hardness wear-resistant reflective film, including a reflective substrate (usually PET, of course it can also be PBT, PEN), and also includes a hardened coating provided on the reflective substrate, and a low-refractive index coating provided on the hardened coating. The thickness of the hardened coating is controlled between 3 and 5 microns, and the thickness of the low-refractive index coating is controlled between 80 and 120 nanometers.
[0029] The hardened glue consists of the following components in molar proportions: Photosensitive monomer methyl methacrylate 45 parts Prepolymer polyurethane acrylate 45 parts 9 parts of ultraviolet light initiator Michler's ketone UV crosslinking agent triallyl cyanurate 8 parts Solvent: ethyl acetate 3.5 parts The coating method of the hardening coating is: applying the hardening glue on the reflective substrate through a slit or a micro-concave roller, and then forming a hardened film through heat drying and UV curing. When applying the hardening coating, the heat drying temperature is controlled between 105 and 120°C, and the drying time is controlled within 1 to 3 minutes. UV curing uses ultraviolet light with a wavelength range of 315 to 400nm for light irradiation treatment, and the illumination time is controlled within 1 to 5 minutes.
[0030] The coating method of the low refractive index coating is: coating low refractive index UV glue, and then forming an anti-reflective film through heat drying and UV curing. The low refractive index UV glue is an existing material in the prior art, and commercially available low refractive index UV glue can be used, such as the low refractive index UV glue model NOA148 of Norland Products Inc. of the United States.
[0031] Embodiment 8, a high-hardness wear-resistant reflective film, including a reflective substrate (usually PET, of course it can also be PBT, PEN), and also includes a hardened coating provided on the reflective substrate, and a low-refractive index coating provided on the hardened coating. The thickness of the hardened coating is controlled between 3 and 5 microns, and the thickness of the low-refractive index coating is controlled between 80 and 120 nanometers.
[0032] The hardened glue consists of the following components in molar proportions: Photosensitive monomer methyl methacrylate 48 parts Prepolymer epoxy acrylate 37 parts 7.3 parts of ultraviolet light initiator thiopropoxythioxanthone UV crosslinking agent triallyl isocyanurate 7.7 parts Solvent: ethyl acetate 1.5 parts The coating method of the hardening coating is: applying the hardening glue on the reflective substrate through a slit or a micro-concave roller, and then forming a hardened film through heat drying and UV curing. When applying the hardening coating, the heat drying temperature is controlled between 105 and 120°C, and the drying time is controlled within 1 to 3 minutes. UV curing uses ultraviolet light with a wavelength range of 315 to 400nm for light irradiation treatment, and the illumination time is controlled within 1 to 5 minutes.
[0033] The coating method of the low refractive index coating is: coating low refractive index UV glue, and then forming an anti-reflective film through heat drying and UV curing. The low refractive index UV glue is an existing material in the prior art, and commercially available low refractive index UV glue can be used, such as the low refractive index UV glue model NOA148 of Norland Products Inc. of the United States.
[0034] Embodiment 9, a high-hardness wear-resistant reflective film, comprising a reflective substrate (usually PET, but it can also be PBT, PEN), a hardened coating disposed on the reflective substrate, and a low-refractive-index coating disposed on the hardened coating, wherein the thickness of the hardened coating is controlled between 3 and 5 microns, and the thickness of the low-refractive-index coating is controlled between 80 and 120 nanometers.
[0035] The hardened glue consists of the following components in molar proportions: Photosensitive monomer methyl methacrylate 55 parts Prepolymer polyurethane acrylate 43 parts 8.5 parts of ultraviolet light initiator isopropylthioxanthone UV crosslinking agent trimethylolpropane trimethacrylate 7.5 parts Solvent Toluene 4.6 parts The coating method of the hardening coating is: applying the hardening glue on the reflective substrate through a slit or a micro-concave roller, and then forming a hardened film through heat drying and UV curing. When applying the hardening coating, the heat drying temperature is controlled between 105 and 120°C, and the drying time is controlled within 1 to 3 minutes. UV curing uses ultraviolet light with a wavelength range of 315 to 400nm for light irradiation treatment, and the illumination time is controlled within 1 to 5 minutes.
[0036] The coating method of the low refractive index coating is: coating low refractive index UV glue, and then forming an anti-reflective film through heat drying and UV curing. The low refractive index UV glue is an existing material in the prior art, and commercially available low refractive index UV glue can be used, such as the low refractive index UV glue model NOA148 of Norland Products Inc. of the United States.
[0037] Embodiment 10, a high-hardness, wear-resistant reflective film, comprising a reflective substrate (usually PET, but it may also be PBT, PEN), a hardened coating disposed on the reflective substrate, and a low-refractive-index coating disposed on the hardened coating. The thickness of the hardened coating is controlled between 3 and 5 microns, and the thickness of the low-refractive-index coating is controlled between 80 and 120 nanometers.
[0038] The hardened glue consists of the following components in molar proportions: Photosensitive monomer methyl methacrylate 42 parts Prepolymer polyurethane acrylate 49 parts 5.5 parts of UV light initiator isopropylthioxanthone UV crosslinking agent trimethylolpropane trimethacrylate 6.5 parts Solvent Toluene 2.8 parts The coating method of the hardening coating is: applying the hardening glue on the reflective substrate through a slit or a micro-concave roller, and then forming a hardened film through heat drying and UV curing. When applying the hardening coating, the heat drying temperature is controlled between 105 and 120°C, and the drying time is controlled within 1 to 3 minutes. UV curing uses ultraviolet light with a wavelength range of 315 to 400nm for light irradiation treatment, and the illumination time is controlled within 1 to 5 minutes.
[0039] The coating method of the low refractive index coating is: coating low refractive index UV glue, and then forming an anti-reflective film through heat drying and UV curing. The low refractive index UV glue is an existing material in the prior art, and commercially available low refractive index UV glue can be used, such as the low refractive index UV glue model NOA148 of Norland Products Inc. of the United States.
[0040] Embodiment 11, a high-hardness wear-resistant reflective film, including a reflective substrate (usually PET, of course it can also be PBT, PEN), and also includes a hardened coating provided on the reflective substrate, and a low-refractive index coating provided on the hardened coating. The thickness of the hardened coating is controlled between 3 and 5 microns, and the thickness of the low-refractive index coating is controlled between 80 and 120 nanometers.
[0041] The hardened glue consists of the following components in molar proportions: Photosensitive monomer methyl methacrylate 60 parts Prepolymer epoxy acrylate 45 parts 6.5 parts of UV light initiator diaryliodonium salt UV crosslinking agent trimethylolpropane triacrylate 8.5 parts Solvent: ethyl acetate 2.5 parts The coating method of the hardening coating is: applying the hardening glue on the reflective substrate through a slit or a micro-concave roller, and then forming a hardened film through heat drying and UV curing. When applying the hardening coating, the heat drying temperature is controlled between 105 and 120°C, and the drying time is controlled within 1 to 3 minutes. UV curing uses ultraviolet light with a wavelength range of 315 to 400nm for light irradiation treatment, and the illumination time is controlled within 1 to 5 minutes.
[0042] The coating method of the low refractive index coating is: coating low refractive index UV glue, and then forming an anti-reflective film through heat drying and UV curing. The low refractive index UV glue is an existing material in the prior art, and commercially available low refractive index UV glue can be used, such as the low refractive index UV glue model NOA148 of Norland Products Inc. of the United States.
[0043] Embodiment 12, a high-hardness, wear-resistant reflective film, comprises a reflective substrate (usually PET, but it may also be PBT, PEN), a hardened coating disposed on the reflective substrate, and a low-refractive-index coating disposed on the hardened coating. The thickness of the hardened coating is controlled between 3 and 5 microns, and the thickness of the low-refractive-index coating is controlled between 80 and 120 nanometers.
[0044] The hardened glue consists of the following components in molar proportions: Photosensitive monomer methyl methacrylate 50 parts Prepolymer polyurethane acrylate 45 parts 6 parts of ultraviolet light initiator triaryl iodonium salt UV crosslinking agent triallyl cyanurate 8 parts Solvent ethyl acetate 2 parts The coating method of the hardening coating is: applying the hardening glue on the reflective substrate through a slit or a micro-concave roller, and then forming a hardened film through heat drying and UV curing. When applying the hardening coating, the heat drying temperature is controlled between 105 and 120°C, and the drying time is controlled within 1 to 3 minutes. UV curing uses ultraviolet light with a wavelength range of 315 to 400nm for light irradiation treatment, and the illumination time is controlled within 1 to 5 minutes.
[0045] The coating method of the low refractive index coating is: coating low refractive index UV glue, and then forming an anti-reflective film through heat drying and UV curing. The low refractive index UV glue is an existing material in the prior art, and commercially available low refractive index UV glue can be used, such as the low refractive index UV glue model NOA148 of Norland Products Inc. of the United States.
[0046] Embodiment 13, a high-hardness, wear-resistant reflective film, comprises a reflective substrate (usually PET, but it may also be PBT, PEN), a hardened coating disposed on the reflective substrate, and a low-refractive-index coating disposed on the hardened coating. The thickness of the hardened coating is controlled between 3 and 5 microns, and the thickness of the low-refractive-index coating is controlled between 80 and 120 nanometers.
[0047] The hardened glue consists of the following components in molar proportions: Photosensitive monomer methyl methacrylate 55 parts Prepolymer epoxy acrylate 40 parts 7 parts of ultraviolet light initiator alkyl iodonium salt UV crosslinking agent triallyl isocyanurate 6 parts Solvent ethyl acetate 1 part The coating method of the hardening coating is: applying the hardening glue on the reflective substrate through a slit or a micro-concave roller, and then forming a hardened film through heat drying and UV curing. When applying the hardening coating, the heat drying temperature is controlled between 105 and 120°C, and the drying time is controlled within 1 to 3 minutes. UV curing uses ultraviolet light with a wavelength range of 315 to 400nm for light irradiation treatment, and the illumination time is controlled within 1 to 5 minutes.
[0048] The coating method of the low refractive index coating is: coating low refractive index UV glue, and then forming an anti-reflective film through heat drying and UV curing. The low refractive index UV glue is an existing material in the prior art, and commercially available low refractive index UV glue can be used, such as the low refractive index UV glue model NOA148 of Norland Products Inc. of the United States.
[0049] Embodiment 14, a high-hardness, wear-resistant reflective film, includes a reflective substrate (usually PET, but it can also be PBT, PEN), a hardened coating provided on the reflective substrate, and a low-refractive index coating provided on the hardened coating. The thickness of the hardened coating is controlled between 3 and 5 microns, and the thickness of the low-refractive index coating is controlled between 80 and 120 nanometers.
[0050] The hardened glue consists of the following components in molar proportions: Photosensitive monomer methyl methacrylate 55 parts Prepolymer epoxy acrylate 40 parts UV light initiator cumene ferrocene hexafluorophosphate 7 parts UV crosslinking agent triallyl cyanurate 6 parts Solvent ethyl acetate 1 part The coating method of the hardening coating is: applying the hardening glue on the reflective substrate through a slit or a micro-concave roller, and then forming a hardened film through heat drying and UV curing. When applying the hardening coating, the heat drying temperature is controlled between 105 and 120°C, and the drying time is controlled within 1 to 3 minutes. UV curing uses ultraviolet light with a wavelength range of 315 to 400nm for light irradiation treatment, and the illumination time is controlled within 1 to 5 minutes.
[0051] The coating method of the low refractive index coating is: coating low refractive index UV glue, and then forming an anti-reflective film through heat drying and UV curing. The low refractive index UV glue is an existing material in the prior art, and commercially available low refractive index UV glue can be used, such as the low refractive index UV glue model NOA148 of Norland Products Inc. of the United States.
[0052] The high hardness and wear-resistant reflective film of the above embodiment was tested:
[0053] Steel wool wear test method: grinding head 3cm*3cm weight 1kg, steel wool 0000#, test speed 40 times / minute. Warp determination method: cut the reflective film into 10cm*10cm size, measure the height of the four corners respectively, if it is less than or equal to 10mm, it is judged OK, if it exceeds the range, it is judged NG. From the above test, it can be seen that the reflective film of the present application greatly increases the bonding force between the hardened coating and the low refractive index coating, and improves the hardness and wear resistance.
[0054] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0055] The above is an explanation of the embodiments of the present invention. However, the present invention is not limited to the above embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A high-hardness, wear-resistant reflective film, comprising a reflective substrate, characterized in that: It also includes a hardening coating disposed on the reflective substrate and a low refractive index coating disposed on the hardening coating, wherein the hardening coating has a thickness of 3 to 5 microns and the low refractive index coating has a thickness of 80 to 120 nanometers; The hardened glue consists of the following components in molar proportions: Photosensitive monomer 40-60 parts Prepolymer 30-50 parts 5-10 parts of UV initiator 5-10 parts UV crosslinker Solvent 1-5 parts The hard coating is applied by: The hardened glue is applied to the reflective substrate through a slit or micro-concave roller, and then heat-dried and UV-cured to form a hardened film; The coating method of the low refractive index coating is: Apply low-refractive-index UV glue, then heat-dry and UV-cure to form an anti-reflective film.
2. The high-hardness wear-resistant reflective film according to claim 1, characterized in that: When applying the hardened coating, the thermal drying temperature is 105 to 120° C. and the drying time is 1 to 3 minutes; UV curing uses ultraviolet light with a wavelength range of 315 to 400 nm for light irradiation, and the irradiation time is 1 to 5 minutes.
3. The high-hardness wear-resistant reflective film according to claim 1, characterized in that: When applying the low refractive index coating, the thermal drying temperature is 105 to 120° C. and the drying time is 1 to 3 minutes; UV curing uses ultraviolet light with a wavelength range of 315 to 400 nm for light irradiation, and the irradiation time is 1 to 5 minutes.
4. The high-hardness wear-resistant reflective film according to claim 1, characterized in that: The photosensitive monomer is methyl methacrylate; The prepolymer is epoxy acrylate or polyurethane acrylate; The ultraviolet light initiator is benzoin, or benzoin dimethyl ether, or benzoin ethyl ether, or benzoin isopropyl ether, or benzoin butyl ether, or diphenyl acetone, or Michler's ketone, or thiopropoxythioxanthone, or isopropylthioxanthone, or diaryl iodonium salt, or triaryl iodonium salt, or alkyl iodonium salt, or cumene ferrocenium hexafluorophosphate; The ultraviolet crosslinking agent is trimethylolpropane trimethacrylate, or trimethylolpropane triacrylate, or triallyl cyanurate, or triallyl isocyanurate; The solvent is ethyl acetate or toluene.