High-brightness EGP reflective film suitable for ink-jet coloring

Abstract

The utility model relates to the technical field of reflective films, and discloses a high-brightness EGP reflective film suitable for ink jet coloring, which comprises a reflective film main body, and the reflective film main body comprises an ink jet adhesion layer, a high-transmittance wear-resistant layer, a reflective layer, an enhanced bonding layer and an adhesive layer which are sequentially arranged from top to bottom, the ink-jet adhesion layer is made of a modified material with a micro-nano composite structure on the surface, latticed grooves are formed in the surface of the ink-jet adhesion layer, nanoscale titanium dioxide particles are arranged in the latticed grooves, and the ink-jet adhesion layer improves the coloring definition and saturation through the micro-nano structure, the latticed grooves and the nanoscale titanium dioxide particles; the high-transmittance wear-resistant layer adopts a PET film and a nano silicon dioxide coating to enhance the hardness and resist scraping, the reflective layer realizes high-strength light reflection by utilizing total reflection, the enhanced bonding layer is stably connected with all the layers through resin and a coupling agent, a pressure-sensitive adhesive of the adhesive layer is adaptive to multiple base materials, is easy to bond and has no residual adhesive, and all the layers synergistically endow the reflective film with excellent coloring and reflective properties.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reflective film, especially to a high-brightness EGP reflective film suitable for inkjet coloring. BACKGROUND

[0002] The EGP reflective film is an engineering-grade reflective film, which has a wide and important application in the field of transportation, and is often used for the production of traffic road signs, traffic signs, and car body reflective stickers. It can reflect light such as vehicle light back to the driver's eyes at night or in low light conditions, improve the visibility of traffic facilities, and the inkjet coloring technology has the advantages of high efficiency, flexibility, and precision, can realize rapid and low-cost pattern and text printing, and can easily realize personalized design according to requirements. In the production of traffic facilities, the inkjet coloring technology can conveniently produce various complex patterns, signs, and texts, and improve the accuracy and clarity of traffic indication.

[0003] The traditional EGP reflective film usually composites a layer of PET film on the surface layer. Although the PET film has excellent light transmission and weather resistance, it can improve the service life and reflective effect of the reflective film, but the printing performance is poor, and the printing paint is difficult to adhere, which brings great difficulty to the inkjet coloring on the surface. Therefore, we propose a high-brightness EGP reflective film suitable for inkjet coloring. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a high-brightness EGP reflective film suitable for inkjet coloring to solve the problem that the traditional EGP reflective film usually composites a layer of PET film on the surface layer. Although the PET film has excellent light transmission and weather resistance, it can improve the service life and reflective effect of the reflective film, but the printing performance is poor, and the printing paint is difficult to adhere, which brings great difficulty to the inkjet coloring on the surface.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-brightness EGP reflective film suitable for inkjet coloring, comprising a reflective film main body, the reflective film main body includes inkjet adhesion layer, high-transparency wear-resistant layer, reflective layer, enhanced bonding layer and adhesive layer arranged in turn from top to bottom, the inkjet adhesion layer is made of modified material with micro-nano composite structure on the surface, and the surface of the inkjet adhesion layer is provided with grid-shaped grooves, and the inside of the grid-shaped grooves is provided with nano titanium dioxide particles.

[0006] As a preferred scheme, the high-transparency wear-resistant layer is a PET film treated specially, and the surface of the PET film is coated with a wear-resistant coating containing nano silicon dioxide particles.

[0007] As a preferred scheme, the reflective layer adopts a micro-prism structure, and the micro-prism is made of high-refractive optical material.

[0008] As a preferred solution, the reinforcing adhesive layer is composed of a tackifying resin of a terpene resin and a coupling agent of a silane coupling agent.

[0009] As a preferred solution, the adhesive layer is a pressure sensitive adhesive layer, and the pressure sensitive adhesive is an acrylate pressure sensitive adhesive.

[0010] As a preferred solution, a plurality of trapezoidal grooves are arranged on one side of the reflective film body, and a plurality of inverted trapezoidal protrusions are arranged on the other side of the reflective film body.

[0011] As a preferred solution, the positioning and mounting assembly comprises two sets of protruding protective frames fixedly mounted on the upper and lower ends of the reflective film body.

[0012] The technical effects and advantages of the present application are as follows:

[0013] 1. The reflective film body is provided, the ink adhesion layer is provided with micro-nano structures, grid grooves and nano titanium dioxide particles to improve color definition and saturation, the high-transparency wear-resistant layer is provided with a PET film and a nano silicon dioxide coating to enhance hardness and scratch resistance, the reflective layer utilizes total reflection to achieve high-strength reflection, the reinforcing adhesive layer stably connects the layers through resin and coupling agent, and the adhesive layer is suitable for multiple substrates and easy bonding without residual glue.

[0014] 2. The positioning and mounting assembly is provided, the trapezoidal grooves and the inverted trapezoidal protrusions on the two sides of the reflective film body form a mortise and tenon type splicing structure, the concave-convex fitting realizes quick alignment and seamless splicing of multiple reflective films, effectively avoids the gap or misalignment problem of traditional splicing, improves the flatness and consistency of large-area construction, the protruding protective frames at the upper and lower ends provide physical protection for the edges, reduce wear or delamination caused by collision and friction during installation and use, the ink flow guide groove can guide excess ink to the edge to be discharged, prevent ink from overflowing and clumping at the edge during printing, ensure the neatness of the graphic area, the scale line provides a size reference for installation, and quick positioning is facilitated; the waist-shaped positioning hole supports flexible installation of fasteners such as screws and rivets, improves construction convenience and structural stability. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0016] Figure 2 It is an internal cross-sectional structure schematic diagram of the present application;

[0017] Figure 3 It is an internal structure schematic diagram of the ink adhesion layer of the present application;

[0018] Figure 4 The utility model discloses a positioning installation component structure schematic view.

[0019] In the drawing: 1, reflective film main body; 2, positioning installation component; 3, trapezoidal recess; 4, inverted trapezoidal convex; 11, inkjet adhesion layer; 12, high-transparency wear-resistant layer; 13, reflective layer; 14, enhanced bonding layer; 15, adhesive layer; 111, grid-shaped recess; 201, convex protective frame; 202, scale line; 203, waist-shaped positioning hole; 204, ink flow guide groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Please refer to the drawings of the utility model Figure 1 - the drawings of the utility model Figure 3 A high-brightness EGP reflective film suitable for inkjet coloring includes a reflective film main body 1, and the reflective film main body 1 includes an inkjet adhesion layer 11, a high-transparency wear-resistant layer 12, a reflective layer 13, an enhanced bonding layer 14 and an adhesive layer 15 arranged in sequence from top to bottom, the inkjet adhesion layer 11 is made of modified material with a micro-nano composite structure on the surface, the surface of the inkjet adhesion layer 11 is provided with a grid-shaped recess 111, the grid-shaped recess 111 is internally provided with nano titanium dioxide particles, a micro-grid-shaped recess 111 is constructed on the surface of the material, and nano titanium dioxide particles are attached in the grid-shaped recess 111 and on the surface of the material by using plasma deposition technology; the micro-nano composite structure greatly increases the surface area and enhances the mechanical engagement and chemical adsorption with inkjet ink.

[0022] The high-transparency wear-resistant layer 12 is a PET film treated specially, and the surface of the PET film is coated with a wear-resistant coating layer containing nano silicon dioxide particles; the PET film is subjected to corona treatment to increase the surface energy, and then a wear-resistant coating layer containing nano silicon dioxide particles is coated; the nano silicon dioxide particles are uniformly dispersed in the coating layer, and the wear-resistant performance of the PET film is improved.

[0023] The reflective layer 13 adopts a micro-prism structure, and the micro-prism is made of high-refractive optical material, that is, a special acrylate polymer with a refractive index of 1.8-2.0; the top angle of the micro-prism is 30°-60°, and the ratio of the length of the bottom side to the height is 1:1-2:1; the structure design can effectively improve the reflective efficiency and realize high-brightness reflection effect.

[0024] The reinforcing adhesive layer 14 is composed of a tackifying resin of terpene resin and a coupling agent of silane coupling agent, the tackifying resin is selected from terpene resin, the coupling agent is selected from silane coupling agent, and the two are mixed in a mass ratio of 3:1-5:1, which enhances the bonding strength between the reflective layer 13 and the adhesive layer 15 and ensures the stability of the overall structure.

[0025] The adhesive layer 15 is a pressure-sensitive adhesive layer, and the pressure-sensitive adhesive is an acrylate pressure-sensitive adhesive, which has good weather resistance and durability while ensuring good adhesion performance, and can maintain stable bonding effect under different environmental conditions.

[0026] Specifically, the surface micro-nano composite structure of the inkjet adhesion layer 11 and the design of the grid-shaped groove 111 increase the ink adhesion area, and cooperate with the adsorption of nano titanium dioxide particles to significantly improve the clarity and color saturation of inkjet coloring. The high-transparency wear-resistant layer 12 is a PET film combined with a nano-silicon dioxide wear-resistant coating, which enhances the surface hardness of the film body and can resist daily scratches. The reflective layer 13 is arranged to direct reflect the incident light back to the light source direction through the principle of total reflection, forming a high-intensity reflective effect. The combination of the tackifying resin of terpene resin and the coupling agent of silane coupling agent in the reinforcing adhesive layer 14 forms stable chemical bonds between the inkjet adhesion layer 11, the high-transparency wear-resistant layer 12, and the reflective layer 13. The acrylate pressure-sensitive adhesive in the adhesive layer 15 has excellent initial adhesion and durable adhesion, and can adapt to the surfaces of various substrates. During construction, only light pressure is required for quick bonding, and the adhesive does not easily leave a residue after peeling. The above layers work together to make the reflective film body have excellent coloring performance and reflective efficiency.

[0027] Please refer to the accompanying Figure 1 and the accompanying Figure 4 A plurality of trapezoidal grooves 3 are arranged on one side of the reflective film body 1 at equal intervals, and a plurality of inverted trapezoidal protrusions 4 adapted to the trapezoidal grooves 3 are arranged on the other side of the reflective film body 1. The reflective film body 1 is fixedly installed at both ends with positioning and installation assemblies 2. The inverted trapezoidal protrusions 4 are arranged on the left edge of the reflective film body 1, and a neodymium-iron-boron magnet piece is embedded inside. The trapezoidal grooves 3 are arranged on the right edge of the reflective film body 1, and a metal adsorption layer is arranged at the bottom of the groove. The length can be spliced as needed to adapt to different size requirements.

[0028] The positioning and installation assembly 2 includes two groups of protruding protective frames 201 fixedly installed at both ends of the reflective film body 1. An ink flow guide groove 204 is arranged on the inner side of the protruding protective frame 201. Scale lines 202 and equally spaced waist-shaped positioning holes 203 are arranged on the surface of the protruding protective frame 201. The material of the protruding protective frame 201 is transparent polyurethane. The ink flow guide groove 204 is arranged on the inner side to collect spilled ink and prevent the accumulation of ink on the edge from affecting the reflective effect. The scale lines 202 and the waist-shaped positioning holes 203 facilitate quick positioning and installation.

[0029] Specifically, the trapezoidal grooves 3 and the inverted trapezoidal protrusions 4 on both sides of the reflective film body 1 form a mortise and tenon type splicing structure, and the quick alignment and seamless splicing of multiple reflective films can be achieved through the concave-convex fitting, avoiding the gap or misalignment problem in the traditional splicing method, and improving the flatness and consistency during large-area construction. The protruding protective frame 201 at the upper and lower ends can form physical protection for the edge area, reducing edge wear or delamination caused by collision or friction during installation or use. The ink flow guide groove 204 can guide excess ink to the edge and discharge it, avoiding ink accumulation at the edge of the reflective film during printing to form ink overflow or clumping, ensuring the neatness of the printed area. The scale line 202 provides a size reference for the installation process, making it easy for construction personnel to quickly locate. The waist-shaped positioning hole 203 supports the flexible installation of fasteners such as screws or rivets.

[0030] The working principle of the utility model: the utility model is a kind of high-brightness EGP reflective film suitable for inkjet coloring, ink adhesion layer 11 increases ink adhesion area by surface micro-nano composite structure and grid-shaped groove 111, adsorbs ink by nano titanium dioxide particles, realizes clear high-saturation inkjet coloring, PET film of high-transmittance wear-resistant layer 12 combines nano silicon dioxide coating, enhances surface hardness while ensuring high light transmittance, resists scratching, micro-prism structure of reflective layer 13 uses total reflection principle of high refractive index optical material, directional reflection of incident light back to light source direction, forms high-intensity reflective effect, terpene resin tackifying resin in bonding layer 14 and silane coupling agent are stably combined by physical bonding and chemical action, ink adhesion layer 11, high-transmittance wear-resistant layer 12 and reflective layer 13, acrylic ester pressure-sensitive adhesive of adhesive layer 15 is adapted to a variety of substrates by excellent adhesion, realizes quick bonding and is not easy to leave glue, meanwhile, trapezoidal groove 3 and inverted trapezoidal protrusion 4 on both sides of reflective film body 1 are spliced by mortise and tenon type splicing structure, realize quick alignment and seamless splicing of multiple reflective films, improve large-area construction flatness and consistency, in upper and lower positioning installation components 2, protruding protective frame 201 protects edge and reduces wear, ink flow guide groove 204 guides excess ink to discharge and avoids ink overflow, scale line 202 assists installation and positioning, waist-shaped positioning hole 203 supports fastener flexible installation and adapts thermal expansion and cold shrink, the cooperation of each structure makes reflective film have good coloring, reflective performance and construction convenience, thus, the whole process is completed.

[0031] Finally, it should be noted that: the above only for preferred embodiment of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A high brightness EGP retroreflective film suitable for inkjet pigmentation comprising a retroreflective film body (1) characterised in that: The reflective film body (1) comprises, from top to bottom, an inkjet adhesion layer (11), a high-transparency wear-resistant layer (12), a reflective layer (13), an enhanced bonding layer (14) and an adhesive layer (15), the inkjet adhesion layer (11) is made of a modified material with a micro-nano composite structure on the surface, and the surface of the inkjet adhesion layer (11) is provided with a grid-shaped groove (111), and the grid-shaped groove (111) is provided with nano-sized titanium dioxide particles inside.

2. The highlight EGP reflective film suitable for inkjet pigmentation according to claim 1, characterized in that: The high-transparency wear-resistant layer (12) is a PET film, and the surface of the PET film is coated with a wear-resistant coating containing nano-sized silicon dioxide particles.

3. The highlight EGP reflective film suitable for inkjet pigmentation according to claim 1, characterized in that: The reflective layer (13) adopts a micro-prism structure, and the micro-prism is made of a high-refractive optical material.

4. The highlight EGP retroreflective film suitable for inkjet pigmentation of claim 1, wherein: The enhanced bonding layer (14) is composed of a tackifying resin of terpene resin and a coupling agent of silane coupling agent.

5. The highlight EGP retroreflective film suitable for inkjet pigmentation of claim 1, wherein: The adhesive layer (15) is a pressure-sensitive adhesive layer, and the pressure-sensitive adhesive is an acrylate pressure-sensitive adhesive.

6. The highlight EGP retroreflective film suitable for inkjet pigmentation of claim 1, wherein: A plurality of trapezoidal grooves (3) are arranged on one side of the reflective film body (1) at equal intervals, and a plurality of inverted trapezoidal protrusions (4) are arranged on the other side of the reflective film body (1) to match the trapezoidal grooves (3), and positioning and mounting assemblies (2) are fixedly installed on the upper and lower ends of the reflective film body (1).

7. The highlight EGP retroreflective film suitable for inkjet pigmentation of claim 6, wherein: The positioning and mounting assemblies (2) comprise two groups of protruding protective frames (201) fixedly installed on the upper and lower ends of the reflective film body (1), the inner side of the protruding protective frame (201) is provided with an ink flow guide groove (204), and the surface of the protruding protective frame (201) is provided with a scale line (202) and a plurality of waist-shaped positioning holes (203) arranged at equal intervals.

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