Pressure difference 3D texture diaphragm and preparation method thereof

Abstract

The invention discloses a pressure difference 3D texture diaphragm and a preparation method thereof.The pressure difference 3D texture diaphragm comprises a base material layer, a glue layer is integrally positioned on the outer surface of the upper end of the base material layer, an ink layer is integrally positioned on the outer surface of the upper end of the glue layer, and curing layer UV paint is integrally positioned on the outer surface of the upper end of the ink layer; 3D embossing is integrally positioned on the outer surface of the upper end of the curing layer UV paint, an adhesive layer is integrally positioned on the outer surface of the lower end of the base material layer, the base material layer is one or a combination of a PMMA base material and an ABS base material, the PMMA base material is polymethyl methacrylate, and the ABS base material is a terpolymer of acrylonitrile, butadiene and styrene. According to the pressure difference 3D texture diaphragm and the preparation method thereof, under the full-vacuum high-temperature environment of a TOM forming machine, the diaphragm can be pressed on the surface of a product to play a role in decoration, and the diaphragm can be suitable for products with high hand feeling requirements or products with high anti-scratching requirements and is not prone to deformation.

Description

Technical Field

[0001] The present invention relates to the field of textured diaphragms, and in particular to a pressure difference 3D textured diaphragm and a preparation method thereof. Background Art

[0002] 3D textured diaphragm is a kind of film material that can be used for decoration. In the full vacuum and high temperature environment of the TOM molding machine, the diaphragm can be pressed on the surface of the product to play a decorative role and has a good decorative effect. TOM is a 3D surface decoration process that can achieve higher quality appearance effects. It belongs to the three-dimensional appearance decoration technology. With the continuous development of science and technology, people's requirements for 3D textured diaphragms are getting higher and higher.

[0003] The existing 3D textured diaphragms have certain drawbacks when in use. First, the surface scratch resistance of the existing 3D textured diaphragms cannot meet the requirements well when in use, which is not conducive to people's use. In addition, the hand feel effect of the existing 3D textured diaphragms cannot meet the requirements well when in use, and it is easy to stretch and deform, which brings certain adverse effects to people's use process. For this reason, we propose a pressure difference 3D textured diaphragm and a preparation method thereof. Summary of the invention

[0004] Technical problem to be solved: In view of the shortcomings of the prior art, the present invention provides a pressure difference 3D texture diaphragm and a preparation method thereof. In the full vacuum and high temperature environment of the TOM molding machine, the diaphragm can be pressed onto the surface of the product to play a decorative role. It can be suitable for products with high requirements on hand feel or products with high requirements on scratch resistance. It is not easy to deform and has a longer service life, which can effectively solve the problems in the background technology.

[0005] Technical solution: To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a pressure difference 3D texture diaphragm, comprising a substrate layer, a glue layer is integrally positioned on the upper outer surface of the substrate layer, an ink layer is integrally positioned on the upper outer surface of the glue layer, a curing layer UV paint is integrally positioned on the upper outer surface of the ink layer, a 3D embossing is integrally positioned on the upper outer surface of the curing layer UV paint, and a glue layer is integrally positioned on the lower outer surface of the substrate layer.

[0006] As a preferred technical solution of the present application, the substrate layer is one or a combination of PMMA substrate and ABS substrate, wherein the PMMA substrate is polymethyl methacrylate and the ABS substrate is a terpolymer of acrylonitrile, butadiene and styrene.

[0007] As a preferred technical solution of the present application, when the substrate layer is a PMMA substrate, the adhesive layer adopts a water-based adhesive layer material; when the substrate layer is an ABS substrate, the adhesive layer adopts a hot-melt adhesive layer material.

[0008] As a preferred technical solution of the present application, the glue layer is evenly rolled on the surface of the substrate layer by a glue coating roller, the ink layer is printed on the surface of the glue layer, the curing layer UV paint is evenly rolled on the surface of the ink layer by a UV paint roller, the 3D embossing is rolled on the surface of the curing layer UV paint by a hot pressing roller, and the glue layer is rolled on the lower surface of the substrate layer by a roller.

[0009] As a preferred technical solution of the present application, the thickness of the glue layer is 0.005mm, the thickness of the ink layer is 0.01mm, the thickness of the curing layer UV paint is 0.01mm, the depth of the 3D embossing is 0.05-0.1mm when the PMMA substrate is used, and the depth of the 3D embossing is 0.5mm when the ABS substrate is used.

[0010] A method for preparing a pressure difference 3D texture diaphragm comprises the following steps:

[0011] S1: Glue coating: Use a glue roller to evenly apply 0.005mm thick glue on the substrate material;

[0012] S2: Ink printing: Use a coating machine or a gravure printing machine to print a 0.01 mm thick ink layer on the glue layer;

[0013] S3: UV paint roller: Use a UV paint roller to evenly apply 0.01mm UV paint on the ink layer;

[0014] S4: 3D texture rolling: After the UV paint is cured, use a hot press roller to roll the 3D texture on the UV layer;

[0015] S5: Glue layer rolling brush: Use a roller to roll the glue layer on the back of the substrate material;

[0016] S6: Production: After it is completely dried, the pressure difference 3D texture diaphragm is completed.

[0017] As a preferred technical solution of the present application, when the ink layer in the step S2 is a single-color film, a coating machine is used to coat the glue.

[0018] As a preferred technical solution of the present application, when the ink layer in the step S2 is a multi-color film, a gravure printing machine is used to coat the glue.

[0019] As a preferred technical solution of the present application, when the substrate material in the step S5 is a PMMA substrate, a water-based adhesive roller is used to roll and brush a water-based adhesive layer on the back of the PMMA substrate layer.

[0020] As a preferred technical solution of the present application, when the substrate material in the step S5 is an ABS substrate, a hot melt adhesive layer is rolled on the back of the ABS substrate layer using a hot melt adhesive roller.

[0021] Beneficial effects: Compared with the prior art, the present invention provides a pressure difference 3D texture diaphragm and a preparation method thereof, which have the following beneficial effects: This pressure difference 3D texture diaphragm and a preparation method thereof, in the full vacuum and high temperature environment of the TOM molding machine, the diaphragm can be pressed onto the surface of the product to play a decorative role, can be suitable for products with high requirements on hand feel or products with high requirements on scratch resistance, is not easy to deform, has a longer service life, the entire 3D texture diaphragm has a simple structure, is easy to operate, and has a better effect than the traditional method. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a pressure difference 3D texture diaphragm of the present invention.

[0023] Figure 2 It is a schematic flow chart of a method for preparing a pressure difference 3D textured diaphragm according to the present invention.

[0024] In the figure: 1. 3D embossing; 2. Curing layer UV paint; 3. Ink layer; 4. Glue layer; 5. Base material layer; 6. Glue layer. DETAILED DESCRIPTION

[0025] The technical scheme of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments, but it will be understood by those skilled in the art that the following described embodiments are part of embodiments of the present invention, rather than all embodiments, and are only used to illustrate the present invention, and should not be considered as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of the present invention. If specific conditions are not specified in the embodiments, they are carried out according to normal conditions or conditions recommended by the manufacturer. If the manufacturer is not specified in the reagents or instruments used, they are all conventional products that can be purchased commercially.

[0026] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] like Figure 1 , 2 As shown, a pressure difference 3D texture diaphragm includes a substrate layer 5, a glue layer 4 is integrally positioned on the upper outer surface of the substrate layer 5, an ink layer 3 is integrally positioned on the upper outer surface of the glue layer 4, a curing layer UV paint 2 is integrally positioned on the upper outer surface of the ink layer 3, a 3D embossing 1 is integrally positioned on the upper outer surface of the curing layer UV paint 2, and a glue layer 6 is integrally positioned on the lower outer surface of the substrate layer 5. In the full vacuum and high temperature environment of the TOM molding machine, the diaphragm can be pressed onto the surface of the product to play a decorative role. It can be used for products with high requirements on hand feel or scratch resistance, is not easy to deform, and has a longer service life.

[0029] Furthermore, the substrate layer 5 is one or a combination of PMMA substrate and ABS substrate, wherein the PMMA substrate is polymethyl methacrylate, and the ABS substrate is a terpolymer of acrylonitrile, butadiene, and styrene.

[0030] Furthermore, when the substrate layer 5 is a PMMA substrate, the adhesive layer 6 is made of a water-based adhesive layer material; and when the substrate layer 5 is an ABS substrate, the adhesive layer 6 is made of a hot-melt adhesive layer material.

[0031] Furthermore, the glue layer 4 is evenly rolled on the surface of the substrate layer 5 by a glue coating roller, the ink layer 3 is printed on the surface of the glue layer 4, the curing layer UV paint 2 is evenly rolled on the surface of the ink layer 3 by a UV paint roller, the 3D embossing 1 is rolled on the surface of the curing layer UV paint 2 by a hot pressing roller, and the glue layer 6 is rolled on the lower surface of the substrate layer 5 by a roller.

[0032] Furthermore, the thickness of the glue layer 4 is 0.005 mm, the thickness of the ink layer 3 is 0.01 mm, the thickness of the curing layer UV paint 2 is 0.01 mm, the depth of the 3D embossing 1 is 0.05-0.1 mm when the PMMA substrate is used, and the depth of the 3D embossing 1 is 0.5 mm when the ABS substrate is used.

[0033] A method for preparing a pressure difference 3D texture diaphragm comprises the following steps:

[0034] S1: Glue coating: Use a glue roller to evenly apply 0.005mm thick glue on the substrate material;

[0035] S2: Ink printing: Use a coating machine or a gravure printing machine to print a 0.01 mm thick ink layer on the glue layer;

[0036] S3: UV paint roller: Use a UV paint roller to evenly apply 0.01mm UV paint on the ink layer;

[0037] S4: 3D texture rolling: After the UV paint is cured, use a hot press roller to roll the 3D texture on the UV layer;

[0038] S5: Glue layer rolling brush: Use a roller to roll the glue layer on the back of the substrate material;

[0039] S6: Production: After it is completely dried, the pressure difference 3D texture diaphragm is completed.

[0040] Furthermore, when the ink layer in step S2 is a single-color film, a coating machine is used to coat the glue.

[0041] Furthermore, when the ink layer in step S2 is a multi-color film, a gravure printing machine is used to coat the glue.

[0042] Furthermore, when the substrate material in step S5 is a PMMA substrate, a water-based adhesive roller is used to roll a water-based adhesive layer on the back of the PMMA substrate layer.

[0043] Furthermore, when the substrate material in step S5 is an ABS substrate, a hot melt adhesive layer is rolled on the back of the ABS substrate layer using a hot melt adhesive roller.

[0044] Embodiment 1:

[0045] PMMA substrate

[0046] ①: 3D embossing (embossing depth 0.05-0.1mm)

[0047] ②: Curing layer UV paint (0.01mm)

[0048] ③: Ink layer (0.01mm)

[0049] ④: Glue layer (0.005mm)

[0050] ⑤: PMMA substrate layer (0.125mm)

[0051] ⑥: Water-based adhesive layer (0.02mm)

[0052] Relationships between components and working principles

[0053] 1. Use a glue roller to evenly apply 0.005mm thick glue ④ on the PMMA substrate ⑤;

[0054] 2-1. Monochrome film: Use a coating machine to print a 0.01mm thick ink layer ③ on the glue layer ④;

[0055] 2-2. Multicolor film: Use a gravure printing machine to print a 0.01mm thick ink layer ③ on the glue layer ④;

[0056] 3. Use a UV paint roller to evenly apply 0.01mm UV paint on the ink layer②;

[0057] 4. After the UV paint is cured, use a hot press roller to roll a 0.05-0.1mm deep 3D texture ① on the UV layer ②;

[0058] 5. Use a roller to roll the water-based adhesive layer ⑥ on the back of the PMMA substrate layer ⑥;

[0059] 6. The pressure difference 3D texture diaphragm (PMMA) is completed.

[0060] PMMA surface has strong scratch resistance and can be used for products with higher scratch resistance requirements.

[0061] The diaphragm texture can remain unchanged after being stretched 220%.

[0062] The diaphragm has fine texture and high quality.

[0063] The membrane is light-transmissive and can reflect various lighting effects.

[0064] Touch-sensitive, can be realized with light-sensitive touch-sensitive appliances.

[0065] Diaphragm odor requirements can meet automotive interior test requirements.

[0066] The diaphragm backing glue uses odorless water-based glue, which has lower odor and stronger viscosity than the solvent glue used by 3M, Longtian and other companies on the market.

[0067] Due to the improved glue, after the diaphragm is covered on the product, there is no need to reverse the diaphragm to prevent it from detaching, which can reduce labor, improve efficiency and increase production.

[0068] Example 2

[0069] ABS substrate

[0070] ①: 3D embossing (embossing depth 0.5mm)

[0071] ②: Curing layer UV paint (0.01mm)

[0072] ③: Ink layer (0.01mm)

[0073] ④: Glue layer (0.005mm)

[0074] ⑤: ABS substrate layer (0.2mm)

[0075] ⑥: Hot melt adhesive layer (0.02mm)

[0076] Relationships between components and working principles

[0077] 1. Use a glue roller to evenly apply 0.005mm thick glue④ on the ABS substrate⑤;

[0078] 2-1. Monochrome film: Use a coating machine to print a 0.01mm thick ink layer ③ on the glue layer ④;

[0079] 2-2. Multicolor film: Use a gravure printing machine to print a 0.01mm thick ink layer ③ on the glue layer ④;

[0080] 3. Use a UV paint roller to evenly apply 0.01mm UV paint on the ink layer②;

[0081] 4. After the UV paint is cured, use a hot press roller to roll a 0.5mm deep 3D texture ① on the UV layer ②;

[0082] 5. Use a hot melt adhesive roller to roll a hot melt adhesive layer ⑥ on the back of the ABS substrate layer ⑥;

[0083] 6. The pressure difference 3D texture diaphragm (ABS) is completed.

[0084] ABS textured hands have a strong 3D feel and can be used for products with higher requirements for feel.

[0085] The diaphragm texture can remain unchanged after being stretched 220%.

[0086] The diaphragm has a strong touch and a distinct 3D feel.

[0087] The membrane is light-transmissive and can reflect various lighting effects.

[0088] Touch-sensitive, can be realized with light-sensitive touch-sensitive appliances.

[0089] The odor requirements of the diaphragm can meet the requirements of the automotive interior test. The diaphragm backing glue uses odorless water-based glue, which has lower odor and stronger viscosity than the solvent glue used by 3M, Longtian, etc. on the market.

[0090] Due to the improved glue, after the diaphragm is covered on the product, there is no need to reverse the diaphragm to prevent it from detaching, which can reduce labor, improve efficiency and increase production.

[0091] Working principle: The present invention includes 3D embossing 1, a curing layer UV paint 2, an ink layer 3, a glue layer 4, a substrate layer 5, and a glue layer 6. In the full vacuum and high temperature environment of the TOM molding machine, the diaphragm can be pressed on the surface of the product to play a decorative role. It can be suitable for products with high requirements on hand feel or high requirements on scratch resistance. It is not easy to deform and has a longer service life. A 0.005mm thick glue is evenly rolled on the substrate material using a glue roller; a 0.01mm thick ink layer is printed on the glue layer using a coater or a gravure printing machine; 0.01mm UV paint is evenly rolled on the ink layer using a UV paint roller; after the UV paint is cured, a 3D texture is rolled on the UV layer using a hot pressing roller; a glue layer is rolled on the back of the substrate material using a roller; after it is completely dried, the pressure difference 3D texture diaphragm is completed.

[0092] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0093] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A pressure difference 3D textured diaphragm, comprising a substrate layer (5), characterized in that: The upper outer surface of the substrate layer (5) is integrally positioned with a glue layer (4), the upper outer surface of the glue layer (4) is integrally positioned with an ink layer (3), the upper outer surface of the ink layer (3) is integrally positioned with a curing layer UV paint (2), the upper outer surface of the curing layer UV paint (2) is integrally positioned with a 3D embossing (1), and the lower outer surface of the substrate layer (5) is integrally positioned with a glue layer (6).

2. The pressure difference 3D texture diaphragm according to claim 1, characterized in that: The substrate layer (5) is one of a PMMA substrate and an ABS substrate, or a combination of the two, wherein the PMMA substrate is polymethyl methacrylate, and the ABS substrate is a terpolymer of acrylonitrile, butadiene, and styrene.

3. The pressure difference 3D texture diaphragm according to claim 1, characterized in that: When the substrate layer (5) is a PMMA substrate, the adhesive layer (6) is made of a water-based adhesive layer material; when the substrate layer (5) is an ABS substrate, the adhesive layer (6) is made of a hot-melt adhesive layer material.

4. The pressure difference 3D texture diaphragm according to claim 1, characterized in that: The glue layer (4) is evenly rolled onto the surface of the base material layer (5) by means of a glue coating roller, the ink layer (3) is printed on the surface of the glue layer (4), the curing layer UV paint (2) is evenly rolled onto the surface of the ink layer (3) by means of a UV paint roller, the 3D embossing (1) is rolled onto the surface of the curing layer UV paint (2) by means of a hot pressing roller, and the glue layer (6) is rolled onto the lower surface of the base material layer (5) by means of a roller.

5. The pressure difference 3D texture diaphragm according to claim 1, characterized in that: The thickness of the glue layer (4) is 0.005 mm, the thickness of the ink layer (3) is 0.01 mm, the thickness of the curing layer UV paint (2) is 0.01 mm, the depth of the 3D embossing (1) is 0.05-0.1 mm when the PMMA substrate is used, and the depth of the 3D embossing (1) is 0.5 mm when the ABS substrate is used.

6. A method for preparing a pressure difference 3D texture diaphragm, characterized in that: The steps include: S1: Glue coating: Use a glue roller to evenly apply 0.005mm thick glue on the substrate material; S2: Ink printing: Use a coating machine or a gravure printing machine to print a 0.01 mm thick ink layer on the glue layer; S3: UV paint roller: Use a UV paint roller to evenly apply 0.01mm UV paint on the ink layer; S4: 3D texture rolling: After the UV paint is cured, use a hot press roller to roll the 3D texture on the UV layer; S5: Glue layer rolling brush: Use a roller to roll the glue layer on the back of the substrate material; S6: Production: After it is completely dried, the pressure difference 3D texture diaphragm is completed.

7. The method for preparing a pressure difference 3D textured diaphragm according to claim 6, characterized in that: When the ink layer in step S2 is a single-color film, a coating machine is used to coat the glue.

8. The method for preparing a pressure difference 3D textured diaphragm according to claim 6, characterized in that: When the ink layer in step S2 is a multi-color film, a gravure printing machine is used to coat the glue.

9. The method for preparing a pressure difference 3D textured diaphragm according to claim 6, characterized in that: When the substrate material in step S5 is a PMMA substrate, a water-based adhesive roller is used to roll and brush a water-based adhesive layer on the back of the PMMA substrate layer.

10. The method for preparing a pressure difference 3D textured diaphragm according to claim 6, characterized in that: When the substrate material in step S5 is an ABS substrate, a hot melt adhesive layer is rolled on the back of the ABS substrate layer using a hot melt adhesive roller.

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