Laser transfer paper with glaring effect

Abstract

The utility model discloses laser transfer paper with a glaring effect, which relates to the technical field of laser transfer paper and comprises a base paper layer, a laser transfer coating is arranged on the base paper layer, an aluminized layer is arranged on the laser transfer coating, and a protective adhesive layer is covered on the aluminized layer. Miniature optical fiber filaments are evenly distributed in the laser transfer coating, and a plurality of miniature triangular prism protruding structures are arranged on the surface, corresponding to the protective glue layer, of the aluminized layer. According to the novel laser transfer paper, the light guide fiber filaments are arranged in the laser transfer coating, and the triangular prism protruding structures are arranged on the surface of the aluminum plating layer, so that the novel laser transfer paper can generate richer light changes and dazzle light effects, and compared with traditional laser transfer paper, the novel laser transfer paper can present more diversified colors and brightness changes under illumination at different angles, and is more attractive in appearance. Therefore, more unique and attractive visual experience is brought to product packaging.

Description

Technical Field

[0001] The utility model relates to the technical field of laser transfer paper, in particular to a laser transfer paper with a dazzling light effect. Background Art

[0002] In the field of packaging materials, the demand for papers with exquisite appearance and unique visual effects is increasing day by day. Traditional laser transfer papers usually consist of basic structures such as a base paper layer, a laser transfer coating layer, an aluminized layer, and a protective glue layer. However, these traditional laser transfer papers have some deficiencies.

[0003] The laser effect of traditional laser transfer papers is relatively single. Usually, it only relies on the simple reflection of light by the aluminized layer to achieve the laser visual perception, lacking richer light changes and unique visual attraction. In the increasingly competitive market, consumers' requirements for packaging materials are constantly improving. They not only expect the packaging to have the function of protecting products but also hope it can show a more gorgeous and eye-catching appearance effect.

[0004] In addition, traditional laser transfer papers have limited capabilities in light conduction and processing, and cannot make full use of light from different angles to present diverse visual effects. Moreover, their structural design lacks innovation and it is difficult to meet the needs of modern high-end packaging for novel and unique materials.

[0005] Therefore, in order to overcome these shortcomings of traditional laser transfer papers and meet the market's demand for more creative and visually impactful packaging materials, it has become an urgent task to develop a new type of laser transfer paper with a dazzling light effect. Content of the Utility Model

[0006] The utility model aims to provide a technical solution to solve the above problems in order to overcome the above situations.

[0007] A laser transfer paper with a dazzling light effect includes a base paper layer, a laser transfer coating layer is provided on the base paper layer, an aluminized layer is provided on the laser transfer coating layer, and a protective glue layer covers the aluminized layer;

[0008] Microscopic optical fiber filaments are evenly distributed in the laser transfer coating layer, and a number of microscopic triangular prism convex structures are provided on the surface of the aluminized layer corresponding to the protective glue layer.

[0009] As a further scheme of the utility model: a number of the triangular prism convex structures are all in the shape of equilateral triangular prisms, and a number of the triangular prism convex structures are distributed in a regular array.

[0010] As a further scheme of the utility model: the height of the triangular prism convex structure is 10 - 15 micrometers, the side length is 20 - 80 micrometers, and the distance between adjacent triangular prism convex structures is 50 - 150 micrometers.

[0011] As a further solution of the present utility model: A number of miniature optical prism structures are further provided on the surface of the aluminized layer corresponding to the protective adhesive layer, and a number of the optical prism structures are arranged in a nested manner in the gaps between the triangular prism convex structures and on a partial area of the surface of the triangular prism convex structures.

[0012] As a further solution of the present utility model: A number of the optical prism structures are each composed of a plurality of miniature quadrangular pyramids, with a height of 5 - 20 micrometers and a bottom side length of 10 - 30 micrometers.

[0013] As a further solution of the present utility model: The laser transfer coating is tightly bonded to the base paper layer by an adhesive method, and the laser transfer coating contains nano-scale photochromic particles.

[0014] As a further solution of the present utility model: The protective adhesive layer is a transparent protective adhesive layer, and an antistatic agent is added to the protective adhesive layer.

[0015] As a further solution of the present utility model: The base paper layer is a composite paper layer, which is made by bonding multiple papers of different materials.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] By arranging optical fiber filaments in the laser transfer coating and arranging triangular prism convex structures on the surface of the aluminized layer, this new type of laser transfer paper can produce richer light changes and glare effects. Compared with traditional laser transfer papers, it can present more diverse color and brightness changes under illumination at different angles, thereby bringing a more unique and eye-catching visual experience to product packaging. That is, the unique glare effect makes this new type of laser transfer paper have stronger visual attraction. Whether on the mall shelves or in the hands of consumers, it can quickly attract people's attention, improve the recognition and attraction of the product, which is of great significance for enhancing the market competitiveness and brand image of the product.

[0018] The additional aspects and advantages of the present utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 is a schematic diagram of the hierarchical distribution structure of the present utility model;

[0021] Figure 2 is Figure 1 an enlarged schematic diagram of part A in

[0022] The reference numerals and names in the figure are as follows:

[0023] 1. Base paper layer; 2. Laser transfer coating; 3. Aluminum plating layer; 4. Protective glue layer; 5. Optical fiber filaments; 6. Triangular prism convex structure; 7. Optical prism structure. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figure 1-2 , in the embodiment of the present utility model, a laser transfer paper with a dazzling effect includes a base paper layer 1, a laser transfer coating 2 is provided on the base paper layer 1, an aluminum plating layer 3 is provided on the laser transfer coating 2, and a protective glue layer 4 covers the aluminum plating layer 3;

[0026] Micro optical fiber filaments 5 are evenly distributed in the laser transfer coating 2, and a plurality of micro triangular prism convex structures 6 are provided on the surface of the aluminum plating layer 3 corresponding to the protective glue layer 4.

[0027] In the technical solution of the present utility model, micro optical fiber filaments 5 are evenly distributed in the laser transfer coating 2. These optical fiber filaments 5 can capture and conduct light. When light irradiates on the paper, the optical fiber filaments 5 can guide the light from different angles into the coating, causing complex refraction, reflection and scattering of the light in the coating. Due to the small size and uniform distribution of the optical fiber filaments 5, they can effectively change the propagation path of the light without affecting the overall structure and appearance of the paper, thereby adding a unique visual effect to the paper;

[0028] On the surface of the aluminized layer 3 corresponding to the protective adhesive layer 4, a micro triangular prism convex structure 6 is provided. These triangular prism convex structures 6 can further regulate light. When light irradiates on the triangular prism convex structures 6, multiple refractions and reflections will occur, thereby changing the propagation direction and intensity of the light. Due to the special shape of the triangular prism, light at different angles will produce different refraction and reflection effects, making the paper present different laser colors and brightness changes at different angles. This change can increase the visual attractiveness of the paper and make it more eye-catching;

[0029] In summary, by arranging optical fiber filaments 5 in the laser transfer coating 2 and setting triangular prism convex structures 6 on the surface of the aluminized layer 3, this new type of laser transfer paper can produce richer light changes and glare effects. Compared with traditional laser transfer paper, it can present more diverse color and brightness changes under light at different angles, thereby bringing a more unique and eye-catching visual experience to product packaging. That is, the unique glare effect makes this new type of laser transfer paper have stronger visual attractiveness. Whether on the mall shelf or in the hands of consumers, it can quickly attract people's attention, improve the recognition and attractiveness of the product, which is of great significance for enhancing the market competitiveness and brand image of the product.

[0030] In the embodiment of the present utility model, several of the triangular prism convex structures 6 are all in the shape of equilateral triangular prisms, and several of the triangular prism convex structures 6 are arranged in a regular array;

[0031] The height of the triangular prism convex structure 6 is 10 - 15 micrometers, the side length is 20 - 80 micrometers, and the distance between adjacent triangular prism convex structures 6 is 50 - 150 micrometers.

[0032] The equilateral triangular prism has specific optical properties. Its three side faces can reflect and refract light at different angles. The selection of this shape can enable light to undergo multiple complex reflection and refraction processes on the surface of the aluminized layer 3, thereby producing richer light change effects. At the same time, the symmetry of the equilateral triangular prism also helps to form regular optical patterns and enhance the overall visual beauty; arranging the triangular prism convex structures 6 in a regular array can make the reflection and refraction of light on the entire paper surface more uniform and orderly. This distribution method can ensure that a relatively consistent glare effect can be obtained when observing the paper at different angles, improving the stability and reliability of the paper;

[0033] The setting of the above-mentioned sizes is carefully considered to achieve the best optical effect. A smaller height and appropriate side length can enable the triangular prism to effectively regulate light without affecting the overall flatness of the paper, while an appropriate distance can avoid light interference between adjacent triangular prisms and also provide sufficient space for multiple reflections and refractions of light.

[0034] In the embodiment of the present invention, a plurality of miniature optical prism structures 7 are further provided on the surface of the aluminum-plated layer 3 corresponding to the protective adhesive layer 4. The plurality of optical prism structures 7 are nested and arranged in the gaps between the triangular prism protrusion structures 6 and in a partial surface area of the triangular prism protrusion structures 6.

[0035] The optical prism structures 7 are composed of a plurality of micro quadrangular pyramids, each having a height of 5 to 20 microns and a bottom side length of 10 to 30 microns.

[0036] An optical prism structure 7 is provided on the surface of the aluminum coating 3 corresponding to the protective adhesive layer 4 to further enhance the refraction, reflection, and scattering effects of light. The optical prism can change the propagation direction and angle of light, causing more complex and diverse optical changes when the light passes through the aluminum coating 3. The optical prism structure 7, composed of multiple micro-pyramids, can process light from different directions. The special shape of the pyramids causes light to be refracted and reflected multiple times on its surface, thereby increasing the path length and degree of variation of the light.

[0037] The optical prism structures 7 are nested in the gaps between the triangular prism protrusion structures 6 and on portions of the surface of the triangular prism protrusion structures 6. This design fully utilizes the space and achieves a synergistic effect between the two structures. When light strikes the aluminum-plated layer 3, it is first initially processed by the triangular prism protrusion structures 6, changing the propagation direction and intensity of the light. Then, the optical prism structures 7 located in the gaps and portions of the triangular prism surface further process the light after the triangular prism processing, further enhancing the refraction, reflection, and scattering effects of the light.

[0038] That is, the combination of the optical prism structure 7 and the triangular prism protrusion structure 6 enables the laser transfer paper to present a richer and more gorgeous visual effect. The processing of light by different structures is superimposed on each other, resulting in more color changes and brightness levels, increasing the visual appeal of the paper. The nested arrangement makes the propagation of light on the surface of the paper more complex. Unique optical phenomena can be seen when observed from different angles, bringing higher added value to the product packaging.

[0039] In the embodiment of the present invention, the laser transfer coating 2 is tightly combined with the base paper layer 1 by gluing, and the laser transfer coating 2 contains nano-scale photochromic particles.

[0040] Add nano - level photochromic particles to the laser transfer coating 2. These particles can change color under specific lighting conditions. The principle of photochromism is that the molecular structure in the particles changes under the stimulation of different light intensities or wavelengths, resulting in color changes. Nano - level particles have a large specific surface area and special optical properties, and can absorb and scatter light more effectively. When light irradiates the laser transfer coating 2 containing photochromic particles, the particles will interact with other components in the laser coating, further enhancing the reflection, refraction, and scattering effects of light, and enriching the visual performance of the paper.

[0041] In the embodiment of the present utility model, the protective glue layer 4 is a transparent protective glue layer 4, and an antistatic agent is added to the protective glue layer 4.

[0042] The protective glue layer 4 is made of a transparent material, mainly to play a protective role without affecting the display of the aluminized layer 3 and the laser effect. The transparent protective glue layer 4 allows light to pass through smoothly, enabling the light reflected by the aluminized layer 3 and the optical effects generated by the laser transfer coating 2 to be presented completely;

[0043] Adding an antistatic agent to the protective glue layer 4 is based on the possible adverse effects of static electricity in packaging materials. During the production, transportation, and use of paper, factors such as friction are likely to generate static electricity. Static electricity may adsorb pollutants such as dust and impurities, affecting the appearance and cleanliness of the paper. The role of the antistatic agent is to reduce the surface resistance of the material, enabling static electricity to be conducted away in a timely manner, thereby avoiding static electricity accumulation. The molecular structure of the antistatic agent usually contains conductive groups, which can form conductive channels on the material surface to disperse and release static charges.

[0044] In the embodiment of the present utility model, the base paper layer 1 is a composite paper layer, which is made by bonding multiple papers of different materials.

[0045] The base paper layer 1 adopts a composite paper layer structure, which comprehensively considers the characteristics of different paper materials. By bonding multiple papers of different materials together, the advantages of each layer of paper can be integrated. For example, some papers may have good strength, some may have better flexibility, and some may perform well in moisture - proof and oil - proof aspects. Different paper materials can complement each other during the composite process to form a base paper layer 1 with multiple functions. This design is based on the composite principle in materials science. Through reasonable combination and bonding processes, a synergistic effect is formed between the layers of materials.

[0046] In summary, the manufacturing process of the laser transfer paper with a dazzling light effect can be as follows:

[0047] I. Prepare materials

[0048] 1. Prepare papers of different materials as the raw materials for the base paper layer 1, and select papers with specific strength, flexibility, moisture resistance, etc. according to the required properties.

[0049] 2. Prepare the materials for making the laser transfer coating 2, including the coating containing the micro optical fiber filaments 5 and the adhesive.

[0050] 3. Prepare the aluminized material and the molds or nanoimprint materials for making the triangular prism convex structures 6 and the optical prism structures 7.

[0051] 4. Prepare the transparent protective glue and the antistatic agent.

[0052] 5. Prepare the nano-scale photochromic particles.

[0053] II. Making the base paper layer 1

[0054] 1. Align multiple layers of papers of different materials, and bond them with a specific adhesive under certain temperature, pressure and time conditions to form a composite paper layer as the base paper. Ensure that the papers of each layer are tightly combined without bubbles and delamination, and at the same time ensure the flatness and strength of the base paper.

[0055] III. Making the laser transfer coating 2

[0056] 1. Uniformly coat the coating containing the nano-scale photochromic particles and the micro optical fiber filaments 5 on the base paper layer 1, and spraying, roll coating and other methods can be used.

[0057] 2. According to the characteristics of the coating, dry and cure it under appropriate temperature and humidity conditions to make the laser transfer coating 2 tightly combined with the base paper layer 1.

[0058] IV. Making the aluminized layer 3, the triangular prism convex structures 6 and the optical prism structures 7

[0059] 1. Deposit a uniform aluminized layer 3 on the laser transfer coating 2 by vacuum aluminizing technology.

[0060] 2. Use nanoimprint technology or special molds to imprint micro convex structures in the shape of equilateral triangular prisms on the surface of the aluminized layer 3 corresponding to the protective glue layer 4. Control the pressure, temperature and time of imprinting to ensure that the height of the triangular prism convex structures 6 is 10 - 15 microns, the side length is 20 - 80 microns, and the spacing between adjacent structures is 50 - 150 microns.

[0061] 3. Then, in the gaps between the triangular prism convex structures 6 and some areas on the surface of the triangular prism convex structures 6, make the optical prism structures 7 composed of multiple micro square pyramids by nanoimprint technology. Control the height of the square pyramids to be 5 - 20 microns, and the bottom side length to be 10 - 30 microns.

[0062] V. Manufacturing the protective glue layer 4

[0063] 1. Mix the transparent protective glue and the antistatic agent evenly.

[0064] 2. Coat the mixed protective glue evenly on the aluminized layer 3 to form a transparent protective glue layer 4, and dry and cure it at an appropriate temperature to protect the aluminized layer 3 and the optical structure.

[0065] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model.

Claims

1. A laser transfer paper with a dazzling light effect, characterized in that, It includes a base paper layer, on which a laser transfer coating is provided, on which an aluminized layer is provided, and a protective adhesive layer covers the aluminized layer; Micro optical fiber filaments are evenly distributed in the laser transfer coating, and a number of micro triangular prism convex structures are provided on the surface of the aluminized layer corresponding to the protective adhesive layer.

2. The laser transfer paper with a dazzling light effect according to claim 1, characterized in that, A number of the triangular prism convex structures are all in the shape of equilateral triangular prisms, and a number of the triangular prism convex structures are arranged in a regular array.

3. A laser transfer paper with a dazzling light effect according to claim 2, characterized in that, The height of the triangular prism convex structure is 10 - 15 microns, the side length is 20 - 80 microns, and the distance between adjacent triangular prism convex structures is 50 - 150 microns.

4. A laser transfer paper with a dazzling light effect according to claim 2 or 3, characterized in that, The surface of the aluminized layer corresponding to the protective adhesive layer is further provided with a number of micro optical prism structures, and a number of the optical prism structures are arranged in a nested manner in the gaps between the triangular prism convex structures and partial areas of the surfaces of the triangular prism convex structures.

5. A laser transfer paper with a dazzling light effect according to claim 4, characterized in that, A number of the optical prism structures are all composed of a plurality of micro square pyramids, with a height of 5 - 20 microns and a bottom side length of 10 - 30 microns.

6. A laser transfer paper with a dazzling light effect according to claim 1, characterized in that, The laser transfer coating is tightly combined with the base paper layer by an adhesive method, and nano-scale photochromic particles are contained in the laser transfer coating.

7. A laser transfer paper with a dazzling light effect according to claim 1, characterized in that, The protective adhesive layer is a transparent protective adhesive layer, and an antistatic agent is added to the protective adhesive layer.

8. A laser transfer paper with a dazzling light effect according to claim 1, characterized in that, The base paper layer is a composite paper layer, which is made by bonding multiple papers of different materials.

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