Capsule type microprism reflective film

Abstract

The utility model discloses a capsule type microprism reflective film, which comprises a back adhesive layer, a release layer arranged on the lower surface of the back adhesive layer, a supporting layer arranged on the upper surface of the back adhesive layer, a prism layer arranged at the upper end of the supporting layer, a protective layer arranged on the upper surface of the prism layer, and an adhesive layer arranged on the lower surface of the protective layer. An air layer is arranged between the supporting layer and the prism layer, a connecting column and a watermark pattern layer are arranged on the upper surface of the supporting layer, and the local periphery of the upper surface of the supporting layer and the lower surface of the prism layer are pressed to form a capsule structure. According to the technical scheme, the watermark layer is printed on one side, facing the prism layer, of the base film of the supporting layer and then is embossed to be integrated with the prism layer; as the microprism layer and the protective layer have certain transparency, the watermark on the surface of the supporting layer can be seen from the surface of the reflective film. The anti-counterfeiting bottle cap is reasonable in structural design, convenient to manufacture, low in manufacturing cost, good in anti-counterfeiting effect and good in practicability.

Description

Technical Field

[0001] This utility model relates to the field of reflective film technology, specifically to a capsule-type microprism reflective film. Background Technology

[0002] Ordinary microprism reflective film is used for road traffic signs. The purpose of creating a watermark within the microprism reflective film is for product identification and anti-counterfeiting.

[0003] The current microprism reflective film structures mainly fall into two categories: (1) printing watermarks on the inner surface of the protective layer without prisms or on the surface of the prism layer of the reflective film; (2) setting watermark patterns on the prism surface (the surface in contact with the air layer) of the microprism, which requires implementation in the pre-forming stage of the microprism, i.e., engraving watermark patterns on the prism surface of the nickel mold, and then bonding the film to the prism surface of the nickel mold, forming watermarks on the surface of the film through high temperature and high pressure. However, the existing microprism reflective film structure design is unreasonable. If the watermark is printed on the inner surface of the protective layer or on the surface of the prism layer, if it is an acrylic film, it is relatively brittle and easily torn during the printing process. It also requires the ink to be heat resistant, have good adhesion to the protective layer or prism layer, and have very low residual solvent requirements to prevent bubbling at the ink when the prism is formed under high temperature and high pressure after printing. The prism surface watermark requires special supporting equipment to laser engrave the watermark on the mold surface, which requires equipment investment. Moreover, since the structure of the prism is damaged during the engraving process, the retroreflection coefficient at the watermark is also low. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a capsule-type microprism reflective film with reasonable structural design, convenient manufacturing, low manufacturing cost, good anti-counterfeiting effect and good practicality.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a capsule-type microprism reflective film, comprising an adhesive layer, a release layer disposed on the lower surface of the adhesive layer, a support layer disposed on the upper surface of the adhesive layer, a prism layer disposed at the upper end of the support layer, a protective layer disposed on the upper surface of the prism layer, an air layer disposed between the support layer and the prism layer, a connecting post and a watermark pattern layer disposed on the upper surface of the support layer, and a capsule structure formed by pressing the upper surface of the support layer with the lower surface of the prism layer in a partial manner.

[0006] The present invention is further configured such that: the connecting column is formed into a hexagonal structure by embossing process, and the upper end of the connecting column is bonded and fixed to a local position on the lower surface of the prism layer.

[0007] The present invention is further configured such that: the air layer is pressed by an embossing roller at high temperature and high pressure, the embossing speed is 0.5-3.0m / min, the temperature is 200-250℃, and the pressure is 2-4kgf.

[0008] The present invention is further configured such that: the support layer includes a base film, the base film is a PC film, a copolyester film or an acrylic hot melt adhesive film, and the watermark pattern layer is disposed on the base film.

[0009] The present invention is further configured such that: the watermark pattern layer includes a binder, a pigment, and a solvent, wherein the binder is an acrylic resin, a polyester resin, a chloroether resin, a chloroacetic acid resin, a polyurethane resin, or an aldehyde-ketone resin; the binder accounts for 15-30%, the pigment accounts for 1-5%, and the remainder is a solvent, wherein the solvent is butyl acetate or methyl isobutyl ketone.

[0010] The present invention is further configured such that the watermark pattern of the watermark pattern layer is set to gray or color.

[0011] The beneficial effects of this utility model are as follows: Compared with the prior art, this utility model has a reasonable structural design. A watermark layer is printed on the base film of the support layer towards the prism layer, and then embossed to become an integral part of the prism layer. Due to the transparency of the microprism layer and the protective layer, the watermark on the surface of the support layer can be seen from the surface of the reflective film. The structure is reasonable, easy to manufacture, has low manufacturing cost, good anti-counterfeiting effect, and good practicality.

[0012] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0014] Figure 2 This is a top view of an embodiment of the present utility model. Detailed Implementation

[0015] In the description of this embodiment, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0016] See Figures 1 to 2This utility model discloses a capsule-type microprism reflective film, including an adhesive layer 1, a release layer 2 disposed on the lower surface of the adhesive layer 1, a support layer 3 disposed on the upper surface of the adhesive layer 1, a prism layer 4 disposed at the upper end of the support layer 3, a protective layer 5 disposed on the upper surface of the prism layer 4, an air layer 6 disposed between the support layer 3 and the prism layer 4, a connecting post 31 and a watermark pattern layer 7 disposed on the upper surface of the support layer 3, and a capsule structure is formed by pressing the upper surface of the support layer 3 partially around the lower surface of the prism layer 4.

[0017] The connecting post 31 is formed into a hexagonal structure by embossing process, and the upper end of the connecting post 31 is bonded and fixed to a local position on the lower surface of the prism layer 4.

[0018] The air layer 6 is pressed by an embossing roller at high temperature and high pressure. The embossing speed is 0.5-3.0 m / min, the temperature is 200-250℃, and the pressure is 2-4 kgf.

[0019] The support layer 3 includes a base film, which is a PC film, a copolyester film, or an acrylic hot melt adhesive film. The watermark pattern layer 7 is disposed on the base film, and the watermark pattern layer 7 is formed by gravure printing of watermark patterns.

[0020] The watermark pattern layer 7 includes a binder, pigment, and solvent. The binder is an acrylic resin, polyester resin, chloroether resin, chloroacetic acid resin, polyurethane resin, or aldehyde-ketone resin. The binder accounts for 15-30%, the pigment accounts for 1-5%, and the remainder is a solvent, which is butyl acetate or methyl isobutyl ketone.

[0021] The watermark pattern of the watermark pattern layer 7 is set to gray or color.

[0022] The protective layer 5 is made of a transparent material. Preferably, the protective layer 5 is a PET film or a TPU film.

[0023] The adhesive backing layer 1, support layer 3, prism layer 4, protective layer 5, connecting post 31, and watermark pattern layer 7 are bonded together to form an integrated structure.

[0024] In practical applications, a watermark layer is printed on the base film of the support layer, facing the prism layer (the side in contact with the air layer), and then embossed to become integrated with the prism layer. Because the microprism layer and the protective layer have a certain degree of transparency, the watermark on the surface of the support layer can be seen from the surface of the reflective film. The structure is rationally designed, easy to manufacture, has low manufacturing cost, good anti-counterfeiting effect, and is highly practical.

[0025] The above description of the specific embodiments of this utility model is only used to further illustrate this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-essential improvements and adjustments made to this utility model by technical engineers in the art based on the content of the above utility model shall fall within the scope of protection of this utility model.

Claims

1. A micro-prism reflective film in a capsule type, comprising an adhesive layer (1), a release layer (2) is arranged on the lower surface of the adhesive layer (1), characterized in that: The upper surface of the back adhesive layer (1) is provided with a support layer (3), the upper end of the support layer (3) is provided with a prism layer (4), the upper surface of the prism layer (4) is provided with a protective layer (5), an air layer (6) is arranged between the support layer (3) and the prism layer (4), the upper surface of the support layer (3) is provided with a connecting column (31) and a watermark pattern layer (7), and the upper surface of the support layer (3) is locally and peripherally bonded with the lower surface of the prism layer (4) to form a capsule structure.

2. The microprismatic reflective film according to claim 1, wherein: The connecting column (31) is formed into a hexagonal structure by embossing process, and the upper end of the connecting column (31) is locally and peripherally bonded with the lower surface of the prism layer (4).

3. The microprismatic reflective film according to claim 2, wherein: The air layer (6) is bonded by high temperature and high pressure embossing roller, the embossing speed is 0.5-3.0 m / min, the temperature is 200-250 DEG C, and the pressure is 2-4 kgf.

4. The microprismatic reflective film according to claim 3, wherein: The support layer (3) comprises a base film, the base film is a PC film, a copolyester film or an acrylic hot melt adhesive film, and the watermark pattern layer (7) is arranged on the base film.

5. The microprismatic reflective film of claim 4, wherein: The watermark pattern layer (7) comprises a connecting material, toner and a solvent, the connecting material is acrylate resin, polyester resin, chloroether resin, chlorovinyl resin, polyurethane resin or aldehyde ketone resin, the connecting material accounts for 15-30%, the toner accounts for 1-5%, and the rest is the solvent, the solvent is butyl ester or methyl isobutyl ketone.

6. The microprismatic reflective film of claim 4, wherein: The watermark pattern of the watermark pattern layer (7) is set to be gray or colored.

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