Preparation method of vamp with three-dimensional embossment effect and shoe

Abstract

The invention discloses a preparation method of a vamp with a three-dimensional embossment effect and a shoe, and the method comprises the following steps: preparing a glass photoresist plate, and coating the surface of a glass plain film with a photoresist layer; designing a holographic graph; projecting the holographic pattern onto a glass photoresist plate, obtaining a pattern on the glass photoresist plate, and defining the glass photoresist plate with the pattern as a mother set; coating UV glue on the mother plate, paving a PC sheet, drying, transferring the image of the glass photoresist plate to the PC sheet, taking out the PC sheet from the glass photoresist plate, and defining the PC sheet on which the image is formed as a sub-plate; coating polyurethane resin on the sub-plate, paving a TPU (Thermoplastic Polyurethane) or PU (Poly Urethane) sheet, and after drying, transferring an image on the sub-plate onto the TPU or PU sheet, so that the image does not protrude on the surface of the TPU or PU sheet; and stripping the TPU or PU sheet from the sub-plate, and cutting the sheet to obtain the finished vamp material. The three-dimensional pattern with the embossment effect is formed on the vamp, not only can a plane image be recorded, but also the change of the image at different angles can be recorded, hidden information can be added into the image, and the image is difficult to copy. And the patterns cannot protrude out of the vamp surface, are different from the existing process of shoes, and can be directly applied to the shoes.

Description

Technical Field

[0001] The present invention relates to the technical field of shoe uppers, and more specifically, to a preparation method for a shoe upper with a three-dimensional relief effect and a shoe using the shoe upper. Background Art

[0002] There are many types of shoes, such as sports shoes, casual shoes, leather shoes, etc. Different types of shoes can meet different usage scenarios of users. With the continuous development of people's living conditions, in addition to comfort, consumers' requirements for the appearance of shoes are also getting higher and higher.

[0003] In order to enhance the decoration, patterns are set on the shoe upper. Currently, the common practice is to form patterns on the shoe upper material by printing, and the patterns are often in a planar form, with relatively limited effects. In order to create a three-dimensional pattern, it is necessary to stack repeatedly or use a 3D printing device to print a pattern with a concave-convex effect. This type of three-dimensional pattern is achieved through the concave-convex of the pattern itself, resulting in an uneven surface of the shoe upper. Summary of the Invention

[0004] The purpose of the present invention is to overcome the above-mentioned deficiencies of the prior art and provide a preparation method for a shoe upper with a three-dimensional relief effect and a shoe.

[0005] A preparation method for a shoe upper with a three-dimensional relief effect, the method comprising the following steps:

[0006] Prepare a glass photoresist plate for use as a carrier, and coat a photoresist layer on the surface of the glass photoresist plate;

[0007] Design a holographic pattern with a three-dimensional relief effect;

[0008] Project the holographic pattern onto the glass photoresist plate, and perform development, photocuring, etching, and cleaning treatments to obtain a pattern on the glass photoresist plate. Define the glass photoresist plate with the pattern as the master plate;

[0009] Coat UV glue on the master plate, then lay a PC sheet, and bond the PC sheet to the master plate. After drying, the image on the glass photoresist plate is transferred to the PC sheet. Remove the PC sheet from the glass photoresist plate, and define the PC sheet with the formed image as the subplate;

[0010] Coat polyurethane resin on the subplate, then lay a TPU or PU sheet, and bond the TPU or PU sheet to the subplate. Perform UV lamp drying treatment, and the image on the subplate is transferred to the TPU or PU sheet to obtain a TPU or PU sheet with an image. The image does not protrude on the surface of the TPU or PU sheet, and a three-dimensional relief effect is formed when viewing the image from different angles;

[0011] The TPU or PU sheet is peeled off from the sub-plate, and the sheet is cut to obtain a finished upper material.

[0012] As a further improvement, the holographic image includes textures, patterns and / or colorful effects.

[0013] As a further improvement, when the PC sheet is combined with the motherboard, a roller is used for rolling so that the UV glue is evenly spread all over the PC sheet.

[0014] As a further improvement, when the TPU or PU sheet is combined with the sub-plate, a roller is used for rolling so that the polyurethane resin is evenly spread over the TPU or PU sheet.

[0015] As a further improvement, the holographic image includes textures, patterns and / or colorful effects.

[0016] As a further improvement, when preparing the holographic pattern, a micro-lens is combined to form a pattern, or a light curvature animation method is used to form a pattern, or fluorescent technology is added to make the pattern more colorful.

[0017] As a further improvement, the thickness of the PC sheet is 2-5 mm.

[0018] A pair of shoes, using the above-mentioned upper.

[0019] Compared with the prior art, the present invention has the following beneficial technical effects:

[0020] Using glass as a carrier, the holographic pattern is transferred on the PC sheet by chemical photolithography, and then directly transferred on the TPU or PU sheet. The holographic pattern is directly printed on the TPU or PU sheet. When observed at different angles, different three-dimensional relief effects are produced by light effects. Moreover, the holographic pattern does not protrude from the surface of the TPU or PU sheet, but is integrated with the TPU or PU sheet. It can also add anti-counterfeiting effects. Through the specific pattern effect, it has a high anti-counterfeiting property, which provides convenience for the production of shoes. It can not only record flat images, but also record the changes of images at different angles, and can add hidden information to them, and the image is difficult to copy. And the pattern will not protrude from the surface of the upper, which is different from the existing process of shoes and can be directly applied to shoes. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the process of the present invention;

[0022] Figure 2 Schematic diagram of the effect of observing the shoe upper of the present invention from different angles. DETAILED DESCRIPTION

[0023] To further understand the features, technical means, specific purposes, and functions achieved by the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] As Figure 1 shown, a preparation method for a shoe upper with a three-dimensional relief effect includes the following steps:

[0025] Prepare a glass photoresist plate for use as a carrier, and coat a photoresist layer on the surface of the glass photoresist plate. Using glass as the carrier here facilitates the subsequent photolithography processing of the pattern.

[0026] Design a holographic pattern with a three-dimensional relief effect. The holographic image can be observed from different angles, presenting different images, having a three-dimensional sense, and being able to form a relief effect. Moreover, combine with microlenses to form a pattern, or form a pattern by means of optical curvature animation, or add fluorescence technology to make the pattern more colorful, and add a LOGO or design a specific pattern to form anti-counterfeiting. There is no need for additional processing in the later stage, which improves production efficiency and saves processes.

[0027] Project the holographic pattern onto the glass photoresist plate, and perform development, photocuring, etching, and cleaning processes to obtain a pattern on the glass photoresist plate. Define the glass photoresist plate with the pattern as the master plate. Form a micro-nano structure on the glass photoresist plate, use ultraviolet light to cure the pattern part area, and remove the uncured photoresist that is not irradiated. Then soak it in an acidic solution for etching to etch away the non-coated film area to obtain a preset pattern.

[0028] Coat UV glue on the master plate, then lay a PC sheet, bond the PC sheet to the master plate, use a roller to roll, and enter the UV baking oven for drying. The image on the glass photoresist plate is transferred to the PC sheet. Take out the PC sheet from the glass photoresist plate, and define the PC sheet with the formed image as the sub-plate.

[0029] Coat polyurethane resin on the sub-plate, then lay a TPU or PU sheet, bond the TPU or PU sheet to the sub-plate, and perform UV lamp drying treatment and photocuring reaction to cure the polyurethane resin. The image on the sub-plate is transferred to the TPU or PU sheet to obtain a TPU or PU sheet with an image. The image does not protrude on the surface of the TPU or PU sheet. When viewing the image from different angles, a three-dimensional relief effect is formed. The pattern on the TPU or PU sheet is exactly the same as the initial holographic pattern. Utilize the characteristics of the holographic pattern. When observed from different angles, it is cut by different lights, thus presenting different states and having a significant relief effect.

[0030] Peel the TPU or PU sheet from the subplate and cut the sheet to obtain the finished upper material. When applied, the PU can be directly connected to the sole as the upper material, and the TPU sheet can be connected to the sole by hot pressing.

[0031] Since the upper is directly formed with a relief pattern, there is no need for post-processing. Moreover, the holographic image is used instead of forming a three-dimensional effect by stacking, and the pattern effect is more dazzling.

[0032] When preparing the holographic pattern, it is combined with microlenses to form a pattern, or formed by the method of optical curvature animation, or fluorescence technology is added to make the pattern more colorful. By setting a specific pattern or logo, it can play a role in anti-counterfeiting.

[0033] The thickness of the PC sheet is 2-5 mm, which can better transfer the pattern.

[0034] In this embodiment, as a carrier, a glass material needs to be used, which can better perform subsequent development and etching treatment. There is no need for screen printing treatment, saving materials. Moreover, using polyurethane resin, it has good elasticity, excellent flex resistance and good wear resistance after curing. Due to the transfer treatment, the pattern is directly printed on the upper, and the upper remains smooth, and the anti-counterfeiting effect can be achieved according to the set pattern. Refer to Figure 2 As shown, different effects can be observed from different angles.

[0035] It should be noted that the above is not a limitation of the present invention. Without departing from the creative concept of the present invention, any obvious substitution is within the protection scope of the present invention.

Claims

1. A method for preparing a shoe upper with a three-dimensional relief effect, characterized in that: The method comprises the following steps: A glass photoresist plate is prepared for use as a carrier, and a photoresist layer is coated on the surface of the glass photoresist plate; Design holographic graphics with three-dimensional relief effect; Projecting the holographic pattern onto a glass photoresist plate, performing development, photocuring, etching and cleaning processes to obtain a pattern on the glass photoresist plate, and defining the glass photoresist plate with the pattern as a master; Coat UV glue on the master plate, then lay PC sheet on it, make the PC sheet and the master plate bonded, after drying, transfer the image on the glass photoresist plate to the PC sheet, take the PC sheet out of the glass photoresist plate, and define the PC sheet with the image formed on it as the daughter plate; Coating polyurethane resin on the sub-plate, and then laying TPU or PU sheet, so that the TPU or PU sheet and the sub-plate are bonded, and drying is performed with UV lamp, and the image on the sub-plate is transferred to the TPU or PU sheet to obtain a TPU or PU sheet with an image, and the image does not protrude from the surface of the TPU or PU sheet, and the image is viewed at different angles to form a three-dimensional relief effect; The TPU or PU sheet is peeled off from the sub-plate, and the sheet is cut to obtain a finished upper material.

2. The method for preparing a shoe upper with a three-dimensional relief effect according to claim 1, characterized in that: The holographic image includes textures, patterns and / or colorful effects.

3. The method for preparing a shoe upper with a three-dimensional relief effect according to claim 1, characterized in that: When the PC sheet is combined with the motherboard, a roller is used for rolling so that the UV glue is evenly spread all over the PC sheet.

4. The method for preparing a shoe upper with a three-dimensional relief effect according to claim 1, characterized in that: When the TPU or PU sheet is combined with the sub-plate, a roller is used for rolling to make the polyurethane resin evenly spread over the TPU or PU sheet.

5. The method for preparing a shoe upper with a three-dimensional relief effect according to claim 1, characterized in that: The holographic image includes textures, patterns and / or colorful effects.

6. The method for preparing a shoe upper with a three-dimensional relief effect according to claim 1, characterized in that: When preparing the holographic pattern, a microlens is combined to form a pattern, or a light curvature animation method is used to form a pattern, or a micro-letter technology is used to prepare a trademark, or fluorescent technology is added to make the pattern more colorful.

7. The method for preparing a shoe upper with a three-dimensional relief effect according to claim 1, characterized in that: The thickness of the PC sheet is 2-5 mm.

8. A shoe, characterized in that: A shoe upper prepared by the preparation method described in any one of claims 1 to 7.

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