High-temperature-resistant and high-reflectivity plastic curved-surface reflector

Abstract

The utility model relates to the technical field of reflecting mirrors, in particular to a high-temperature-resistant and high-reflectivity plastic curved-surface reflecting mirror, which comprises a high-temperature hot-melting plastic base material layer and an anti-oxidation protective layer, and a reflecting layer is arranged between the high-temperature hot-melting plastic base material layer and the anti-oxidation protective layer. Through the combination of the high-temperature hot-melting plastic base material layer, the high-reflectivity reflecting layer and the anti-oxidation protective layer, the plastic curved-surface reflecting mirror has the advantages of excellent high-temperature resistance, high reflectivity, light weight and easiness in processing, and meanwhile, the high-temperature hot-melting plastic base material layer is formed by injection molding of an optical mold, so that the cost is low, and the plastic curved-surface reflecting mirror is suitable for large-scale production; the problems that a traditional plastic reflecting mirror is poor in high temperature resistance and low in reflectivity are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mirror technical field, concretely relates to a kind of plastic curved mirror of high reflectivity and high temperature resistance. BACKGROUND

[0002] Curved mirror of high optical requirement is applied to all walks of life now, such as the size mirror applied in vehicle HUD unit, such as desktop curved mirror, such as car lamp curved mirror, etc., these applications of curved mirror have low quality requirement (lightweight), high optical quality requirement (such as higher optical surface type, meet optical original design requirement), have certain high temperature resistance (such as car lamp mirror, need to resist high temperature above 180 DEG C).Traditional mirror is made of glass or metal material, although it has higher reflectivity, but glass and metal density is larger, so there is the problem of heavy weight, while glass currently in the processing of curved surface also has the problem of difficult control of optical index such as surface type (PV), and metal piece processing has the problem of long processing time and low output.Plastic material can be formed by optical injection mold, and better optical surface type can be controlled, and batch repeat can be mass-produced, and plastic mirror is light in weight due to its low density, so it is easy to be used by various industries, and has the advantages of easy processing and low cost, and is gradually applied to mirror manufacturing.However, the existing plastic mirror has the problem of poor high temperature resistance, and the plastic material is easy to deform and age under high temperature, which leads to a sharp decrease in reflectivity of the mirror, and seriously affects its use effect in high temperature environment. SUMMARY

[0003] The utility model aims at providing a kind of plastic curved mirror of high reflectivity and high temperature resistance.

[0004] The utility model provides the following technical scheme:

[0005] The utility model provides a kind of plastic curved mirror of high reflectivity and high temperature resistance, including high temperature hot melt plastic base material layer and antioxidant protection layer, high temperature hot melt plastic base material layer and antioxidant protection layer between still be provided with reflection layer.

[0006] Further, the thickness of the reflection layer is 200-500nm.

[0007] Further, the thickness of the antioxidant protection layer is 50-100nm.

[0008] Further, the reflectivity of the reflection layer is greater than 95% in the visible light band @400~700nm.

[0009] Further, the reflection layer is metal film layer.

[0010] Further, the reflection layer is dielectric film layer.

[0011] Compared with the prior art, the high-temperature hot-melt plastic base material layer, the high-reflectivity reflecting layer and the oxidation-resistant protective layer are combined, the high-temperature-resistant plastic curved mirror is excellent in high-temperature resistance, high reflectivity, light weight and easy processing, the high-temperature hot-melt plastic base material layer is formed by optical mold injection molding, the cost is low, and the high-temperature-resistant plastic curved mirror is suitable for large-scale production, and the problems of poor high-temperature resistance and low reflectivity of the traditional plastic mirror are solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view (used for showing shape-curved surface) of the utility model.

[0013] Figure 2 It is a connection structure schematic view (used for showing connection relationship, not showing shape) of the utility model.

[0014] In the drawing, 00 is a mirror, 001 is a plastic base material layer, 002 is a reflecting layer, and 003 is an oxidation-resistant protective layer. DETAILED DESCRIPTION

[0015] The utility model will be further described below in combination with the drawings.

[0016] In an embodiment of the utility model, a high-temperature-resistant and high-reflectivity plastic curved mirror 00 comprises a high-temperature hot-melt plastic base material layer 001 and an oxidation-resistant protective layer 003, and a reflecting layer 002 is further arranged between the high-temperature hot-melt plastic base material layer 001 and the oxidation-resistant protective layer 003; the reflecting layer 002 ensures high reflectivity; the oxidation-resistant protective layer 003 is used for improving the oxidation resistance and wear resistance of the reflecting layer 002 and prolonging the service life; and the utility model can be used in an environment above 180 DEG C for a long time.

[0017] In the above embodiment, the high-temperature hot-melt plastic base material layer 001 is formed by precise optical mold injection molding from a high-temperature-resistant hot-melt plastic material such as polyetherimide resin (PEI), polyether ether ketone (PEEK), polyimide (PI) or polyphenylene sulfide (PPS), is light in weight, easy to process, suitable for manufacturing complex shape mirrors, and low in cost, and is suitable for large-scale production; the reflecting layer 002 with high reflectivity is plated on the surface of the high-temperature hot-melt plastic base material layer 001 by vacuum plating (PVD) or chemical vapor deposition (CVD) technology, and the oxidation-resistant protective layer 003 made of silicon dioxide (SiO2), silicon nitride (Si3N4) or the like is coated on the surface of the reflecting layer.

[0018] In an embodiment of the utility model, the thickness of the reflecting layer 002 is 200-500 nm; the high reflectivity of the mirror 00 is ensured, and the overall quality is light.

[0019] In an embodiment of the utility model, the thickness of the antioxidation protection layer 003 is 50-100nm; ensure the oxidation resistance and wear resistance of the reflection layer, and ensure the light weight of the whole quality.

[0020] In an embodiment of the utility model, the reflectivity of the reflection layer 002 is greater than 95% in the visible light band 400-700nm; ensure that the reflectivity of the utility model in the visible light band (400-700nm) reaches more than 95%, and meet the optical application demand.

[0021] In an embodiment of the utility model, the reflection layer 002 is a metal film layer, such as aluminum, gold, silver and other high reflectivity metal film layers.

[0022] In an embodiment of the utility model, the reflection layer 002 is a dielectric film layer; have high reflectivity.

[0023] In practical application, the high-temperature hot melt plastic base material layer is formed by optical mold injection, the high-reflectivity reflection layer is plated on the surface of the high-temperature hot melt plastic base material layer by vacuum plating or chemical vapor deposition technology, and then the antioxidation protection layer is coated on the surface of the reflection layer.

[0024] The embodiments of the utility model are given for example and description, although the embodiments of the utility model have been shown and described above, it is understood that the above-mentioned embodiments are exemplary, and cannot be understood as the limitation of the utility model, and the ordinary skilled person in the art can change, modify, replace and change the above-mentioned embodiments within the scope of the utility model.

Claims

1. A high-temperature resistant and high-reflectivity plastic curved surface reflector, characterized in that: The high-temperature hot-melt plastic base material layer and the anti-oxidation protective layer are provided with a reflection layer.

2. The high-temperature and high-reflectivity plastic curved mirror according to claim 1, wherein: The thickness of the reflection layer is 200-500nm.

3. The high-temperature and high-reflectivity plastic curved mirror according to claim 1, wherein: The thickness of the anti-oxidation protective layer is 50-100nm.

4. The high-temperature and high-reflectivity plastic curved mirror according to claim 1, wherein: The reflectivity of the reflection layer is greater than 95% in the visible light band @400-700nm.

5. The high-temperature and high-reflectivity plastic curved mirror according to claim 1, wherein: The reflection layer is a metal film layer.

6. The high-temperature and high-reflectivity plastic curved mirror according to claim 1, wherein: The reflection layer is a dielectric film layer.

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