Anti-stain and anti-scale glass bead reflective film

By bonding a glass oil film layer and a metal coating of silane polyurethane and polydimethylsiloxane materials to the glass microsphere reflective film, the problem of scale and stains easily adhering to traditional reflective films is solved, the transparency and retroreflection intensity are improved, the service life is extended, and safety is ensured.

CN223688263UActive Publication Date: 2025-12-19FUJIAN YEJINGHUI OPTICAL TECH CO LTD
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Patent Information

Application Number
CN202423213381.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-12-19
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Traditional reflective films are prone to attracting scale and stains, resulting in low transparency and dullness of the light-transmitting layer, reduced retroreflection intensity, and potential safety hazards.

Method used

A glass oil film layer is bonded to the side of the glass microsphere reflective film away from the reflective layer. It is made of silane polyurethane and polydimethylsiloxane materials and combined with a metal coating to protect the glass microspheres, forming a structure that is resistant to stains and scale.

Benefits of technology

It enhances the transparency and brightness of the glass, increases retroreflective strength, extends service life, and ensures safety.

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Abstract

The utility model relates to an anti-stain and anti-scale glass bead reflective film, which comprises a film main body, the film main body sequentially comprises a light-transmitting layer, a reflective layer, a back adhesive layer and a release layer, the reflective layer is provided with a plurality of grooves distributed in an array, the grooves are filled with glass beads, the lower semi-spherical surfaces of the glass beads are plated with metal plating layers, and the lower semi-spherical surfaces of the glass beads are plated with metal plating layers. The glass oil film reflective film is characterized in that a glass oil film layer is adhered to one side, deviating from the reflective layer, of the light-transmitting layer, and the glass oil film layer is made of silane-based polyurethane and polydimethylsiloxane materials. The surface of the glass bead reflective film is coated with the glass ink layer, and the glass ink layer is made of silyl polyurethane and polydimethylsiloxane materials, so that the glass bead reflective film has excellent oxidation resistance, heat resistance and chemical corrosion resistance, protects glass from being eroded by rainwater and dust, prolongs the service life, effectively prevents water scales and stains from being attached, and improves the service life of the glass bead reflective film. The transparency and the brightness of the glass are enhanced, the retroreflection intensity is high, and the travel safety of people is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reflective film, especially to a dirt and scale resistant glass bead reflective film. BACKGROUND

[0002] The glass bead reflective film is a kind of common retroreflective material, which is widely used in the fields of traffic, environmental sanitation, public security and the like.When the staff wears the reflective material to work or walk at night, the driver can find the target at a long distance due to the retroreflective function of the reflective material, so as to avoid accidents.

[0003] The part of the spherical surface of the glass bead of the conventional reflective film is exposed outside, and the glass bead is easily affected by moisture, abrasion and dirt, which can damage the reflective effect of the reflective film.The glass bead reflective film covered with a protective layer appears on the market, which overcomes the above-mentioned problems of abrasion and dirt, but the glass bead reflective film still has some deficiencies, the surface of the reflective film is easily attached with scale and dirt after a period of use, which causes low transparency and no luster of the light transmission layer, and reduces the retroreflective intensity of the reflective film, thereby causing safety hazards for people's travel. SUMMARY

[0004] The utility model provides a dirt and scale resistant glass bead reflective film to solve the problems of the existing reflective film, such as easy attachment of scale and dirt, low retroreflective intensity and safety hazards.

[0005] The utility model adopts the following technical scheme:

[0006] A dirt and scale resistant glass bead reflective film, comprising a film main body, the film main body comprises a light transmission layer, a reflective layer, a back adhesive layer and a release layer in sequence, the reflective layer is provided with a plurality of array distributed grooves, the grooves are filled with glass beads, the lower half spherical surface of the glass bead is plated with a metal plating layer, characterized in that: the side of the light transmission layer away from the reflective layer is bonded with a glass oil film layer, and the glass oil film layer is made of silane-based polyurethane and polydimethylsiloxane material.

[0007] Further, the thickness of the glass oil film layer is 12-18 μm, and preferably the thickness of the glass oil film layer is 12 μm.

[0008] Further, the back adhesive layer is made of pressure sensitive adhesive material.

[0009] Further, the metal plating layer is a metal aluminum layer, a metal zinc layer, a metal chromium layer or a metal silver layer, and preferably the metal plating layer is a metal aluminum layer.

[0010] Further, the light transmission layer is made of PET material.

[0011] Compared with the prior art, the glass microsphere reflective film has the following advantages: the surface of the glass microsphere reflective film is coated with a glass ink layer, the glass ink layer is made of silane-based polyurethane and polydimethylsiloxane material, has excellent oxidation resistance, heat resistance and chemical corrosion resistance, protects the glass from rainwater and dust erosion, prolongs the service life, effectively prevents scale and stains from adhering, enhances the transparency and brightness of the glass, has high retroreflective intensity, and ensures the safety of people traveling. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the glass microsphere reflective film of the utility model. DETAILED DESCRIPTION

[0013] The specific implementation manner of the utility model will be described below with reference to the drawings.

[0014] Referring to Figure 1 A stain and scale resistant glass microsphere 121 reflective film, comprising a film main body 1, the film main body 1 sequentially comprises a light transmission layer 11, a reflective layer 12, a back adhesive layer 13 and a release layer 14, the reflective layer 12 is provided with a plurality of array distributed grooves 120, the grooves 120 are filled with glass microspheres 121, the lower hemisphere of the glass microspheres 121 is plated with a metal plating layer 122, the side of the light transmission layer 11 away from the reflective layer 12 is bonded with a glass oil film layer 10, the glass oil film layer 10 is made of silane-based polyurethane and polydimethylsiloxane material.

[0015] The thickness of the glass oil film layer 10 is 12-18 microns, preferably the thickness of the glass oil film layer 10 is 12 microns.

[0016] The back adhesive layer 13 is made of pressure sensitive adhesive material.

[0017] The metal plating layer 122 is a metal aluminum layer or a metal zinc layer or a metal chromium layer or a metal silver layer, preferably the metal plating layer 122 is a metal aluminum layer.

[0018] The light transmission layer 11 is made of PET material, and the release layer 14 is release paper.

[0019] The surface of the glass microsphere 121 reflective film is coated with a glass ink layer, the glass ink layer is made of silane-based polyurethane and polydimethylsiloxane material, has excellent oxidation resistance, heat resistance and chemical corrosion resistance, protects the glass from rainwater and dust erosion, prolongs the service life, effectively prevents scale and stains from adhering, enhances the transparency and brightness of the glass, has high retroreflective intensity, and ensures the safety of people traveling.

[0020] The above merely is the specific implementation manner of the present application, but the design concept of the present application is not limited to this, and any non-essential change of the present application by using the concept should belong to the act of infringing the protection scope of the present application.

Claims

1. A stain- and scale-resistant glass microsphere reflective film, comprising a film body, the film body comprising, in sequence, a light-transmitting layer, a reflective layer, an adhesive backing layer, and a release layer, wherein the reflective layer has a plurality of arrayed grooves filled with glass microspheres, and the lower hemisphere of the glass microspheres is coated with a metal coating, characterized in that: The glass oil film layer is made of silane-based polyurethane and polydimethylsiloxane material.

2. A stain and scale resistant, glass microsphere reflective film as defined in claim 1, wherein: The thickness of the glass oil film layer is 12-18 μm.

3. A stain and scale resistant, glass microsphere reflective film as defined in claim 1, wherein: The back adhesive layer is made of pressure-sensitive adhesive material.

4. The anti-stain, scale glass microbead reflective film of claim 1, wherein: the glass microbeads are coated with a reflective material; and the reflective material is selected from the group consisting of aluminum, silver, gold, and combinations thereof. 5 The metal plating layer is a metal aluminum layer, a metal zinc layer, a metal chromium layer or a metal silver layer.

5. The anti-stain, scale glass microbead reflective film of claim 1, wherein: the glass microbeads are coated with a reflective material; and the reflective material is selected from the group consisting of aluminum, silver, gold, and combinations thereof. 5 The light-transmitting layer is made of PET material.