CN109016712B - Light-transmitting film capable of displaying color patterns by lamplight and suitable for in-mold embedding - Google Patents
Light-transmitting film capable of displaying color patterns by lamplight and suitable for in-mold embedding Download PDFInfo
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- CN109016712B CN109016712B CN201810758279.8A CN201810758279A CN109016712B CN 109016712 B CN109016712 B CN 109016712B CN 201810758279 A CN201810758279 A CN 201810758279A CN 109016712 B CN109016712 B CN 109016712B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
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- Laminated Bodies (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a light-transmitting film which displays color patterns by lamplight and is suitable for in-mold embedding injection, which sequentially comprises a transparent film layer, a decorative layer, a bonding layer and a plastic sheet layer, wherein the transparent film layer is a PMMA (polymethyl methacrylate) or PC (polycarbonate) film; the decorative layer comprises a picture and text layer formed by printing a light-transmitting ink layer and a light-tight ink layer, the light-transmitting ink layer and the light-tight ink layer are arranged in different areas or are overlapped up and down, and the light-transmitting ink layer and the light-tight ink layer use thermoplastic polyurethane resin to match with a small amount of hydroxyl vinyl chloride-vinyl acetate resin as main resin of the ink; the plastic sheet layer is any one of transparent ABS, PC or PP sheets. The light-transmitting film can display light-transmitting color patterns and light-tight color patterns under the irradiation of a light source, and can be used for manufacturing plastic products with more difficult, more attractive and practical light display effects by adopting an in-mold injection process according to the requirements of the patterns and the shapes, especially the requirements of the plastic products with special shapes such as irregularity and/or large stretching degree or fine concave-convex shapes.
Description
Technical Field
The invention relates to a decorative film, in particular to a light-transmitting film which can display color patterns under a light source support, and more particularly relates to a light-transmitting film which can display color patterns under the light source support and is suitable for in-mold embedding.
Background
The use of light sources to display color patterns on the surface of plastic products for more aesthetic decorative effects has been increasingly accepted and applied. In order to ensure that the surface decoration of the plastic product can skillfully display color patterns by adopting the light source to foil and achieve the aim of beauty, people adopt various process forms and continuously develop new products.
The most traditional method is that patterns of light-transmitting ink and light-tight ink are directly printed on the surface of a plastic product through printing processes such as silk screen printing, pad printing and the like, and even aluminum oxide is printed on the surface of the plastic product in a hot stamping way, namely 33825so as to increase the attractive grade of metallic luster; because the process mode is to directly print the printing ink and the light-tight printing ink on the surface of the plastic product, the surface of the printing ink has no good protective layer and is easy to damage in the using process, and particularly the electrochemical aluminum foil on the hot stamping is easy to lose.
Aiming at the problems of the traditional method, people adopt the technology of in-mold transfer, namely, a UV layer is coated on a PET film firstly, then patterns formed by fine and exquisite transparent ink and opaque ink are printed on the surface of the UV layer by adopting a gravure, the detachable roll PET film coated with the UV protective layer and printed with the light-transmitting ink and the light-tight ink pattern layer passes through a die cavity of the film by a special film feeding mechanism, realizes the hot sticking transfer of the light-transmitting printing ink, the light-tight printing ink pattern and the UV layer to the surface of the plastic product while injection molding, although the surfaces of the light-transmitting printing ink and the light-tight printing ink are protected by the UV layer, the UV layer is thinner, the protective performance is not higher than that of PET and PC films, in addition, the process and equipment for transferring in the mold are complicated, so that the plastic products which can display color patterns under the light source of the lamp by adopting the mode of transferring in the mold are limited to a certain extent.
In order to solve the problems of insufficient protection of patterns on the surface of a plastic product and complex process, people begin to research and develop a process of in-mold injection, the process comprises the steps of firstly printing ink patterns on a membrane made of PET materials, then adsorbing the printed membrane in a forming mold at high pressure to form the shape of the outer surface of the product, cutting edges, then placing the membrane into an injection mold of the product, and then carrying out injection molding on the membrane and molten plastic. The durability of the product is obviously improved because the surface of the product is protected by a film layer such as PET. However, the current process mode has two problems which are difficult to overcome: firstly, the base material of the existing membrane has small stretching deformation amplitude, when the plastic product has obvious concave-convex and fine sharp protrusions, the membrane is difficult to stretch and form and even cannot be formed, and the plastic product is not inlaid and injected; and secondly, the ink layer is easy to break in the process of stretching and adsorbing to form the shape of the outer surface of the product under high pressure, and if the opaque ink layer is printed on the ink layer, the original opaque part is changed into a transparent part, so that the design requirement of the original pattern is seriously deviated.
Disclosure of Invention
In order to overcome the problems, the invention aims to provide a light-transmitting film which displays color patterns by lamplight and is suitable for mold embedding, and the light-transmitting film is particularly suitable for decorating the surface of special plastic products with irregular and/or large stretching degree or fine concave-convex and the like.
In order to achieve the above object, the present invention provides a light-transmitting film which displays color patterns by light and is suitable for mold-in-mold injection, comprising: the light-transmitting film sequentially comprises a transparent film layer, a decorative layer, a bonding layer and a plastic sheet layer, wherein the transparent film layer is a PMMA (polymethyl methacrylate) or PC (polycarbonate) film; the decorative layer comprises a picture and text layer formed by printing a light-transmitting ink layer and a light-tight ink layer, the light-transmitting ink layer and the light-tight ink layer are arranged in different areas or are overlapped up and down, and the light-transmitting ink layer and the light-tight ink layer use thermoplastic polyurethane resin and a small amount of hydroxyl vinyl chloride-vinyl acetate resin as main resin of the ink; the plastic sheet layer is any one of transparent ABS, PC or PP sheets.
The transparent ink layer comprises, by weight, 60-70% of thermoplastic polyurethane resin, 10-20% of hydroxy vinyl chloride-vinyl acetate copolymer resin, 8-12% of organic pigment, 0.1-2% of leveling agent, 0.5-1% of dispersing agent and 6-11% of ester-ketone mixed solvent.
The opaque ink layer comprises, by weight, 45-60% of thermoplastic polyurethane resin, 10-20% of hydroxy vinyl chloride-vinyl acetate copolymer resin, 5-10% of isocyanate curing agent, 15-25% of organic pigment, 0.1-2% of leveling agent, 6-11% of dispersing agent and 15-22% of ester-ketone mixed solvent.
Whether the ink layer described herein is transparent or not is determined by the color density of the pigment and the thickness of the ink layer.
The thermoplastic polyurethane resin is preferably a polyester polyurethane resin, and the isocyanate curing agent is preferably a TDI trimer.
In order to better improve the surface smoothness of the ink and improve the leveling effect of the coating, the leveling agent is preferably a polyurethane leveling agent.
The ester-ketone mixed solvent is preferably a mixed solvent of ethyl acetate, methyl ethyl ketone and methyl isobutyl ketone in order to achieve both solubility of the ink and drying speed.
The decorative layer also comprises a vacuum aluminum-plated layer, and the vacuum aluminum-plated layer is positioned between the image-text layer and the plastic sheet layer.
The decorative layer also comprises a UV embossing layer which is subjected to mould pressing and has an obvious concave-convex structure, and the UV embossing layer is positioned between the transparent film layer and the image-text layer.
The UV embossing layer comprises 60-70% of acrylate monomer, 20-30% of polyurethane propionic resin, 4-8% of ultraviolet initiator and 0.1-0.2% of leveling agent.
The invention relates to a light-transmitting film which displays color patterns by light and is suitable for in-mold injection, which consists of a light-transmitting film layer with protective performance, a light-transmitting and light-impermeable color pattern layer and a transparent sheet layer, wherein one part of the film can display the light-transmitting color patterns under the irradiation of a light source, the other part of the film can display the light-impermeable color patterns under the irradiation of the light source, the light-transmitting film layer and the transparent sheet layer adopt films and sheets with high stretching rate, and the light-transmitting ink and the light-impermeable ink adopt thermoplastic polyurethane resin and a small amount of hydroxyl vinyl chloride-vinyl acetate resin as main resin, so that the stretchability and the temperature resistance of the color ink in the in-mold injection process can be greatly improved. The light-transmitting film sheet can be used for manufacturing plastic products with lamp display effects, which are more difficult, more attractive and practical, by adopting a mold embedding process according to the requirements of patterns and shapes, especially the requirements of plastic products with special shapes such as irregularity and/or large stretching degree or fine concave-convex shapes.
Drawings
FIG. 1 is a schematic structural diagram of a light-transmitting film for displaying a color pattern by light according to the present invention.
Fig. 2 is a schematic structural view of the shape of the outer surface of the product formed by high-pressure adsorption of the light-transmitting film of the present invention in a forming mold.
FIG. 3 is a schematic structural diagram of a light-transmitting film with metal texture and displaying color patterns by light.
FIG. 4 is a schematic structural diagram of a light-transmitting film with refraction and diffraction effects for displaying color patterns by light according to the present invention.
FIG. 5 is a schematic structural diagram of a light-transmitting film with refraction and diffraction effects for displaying a metal color pattern by light according to the present invention.
Detailed Description
Example 1
As shown in fig. 1, the light-transmitting film for displaying color patterns by light includes a PMMA film 100, a color pattern layer 200, an adhesive layer 300 and an ABS sheet 400 in sequence, the color pattern layer is formed by printing a blue light-transmitting ink layer 201 and a black opaque ink layer 202, and the film has the following characteristics: (1) displaying a light-transmitting blue color pattern on the next part of the light susceptor, and displaying a light-opaque black color pattern on the other part of the light susceptor; (2) the stretch rate of the membrane reaches 200 percent.
Preparing a membrane:
1. material
(1) Selecting a PMMA film and an ABS sheet with the stretching rate of 200%;
(2) blue light-transmitting ink: 60% of polyester polyurethane resin, 20% of hydroxy vinyl chloride-vinyl acetate copolymer, 8% of blue transparent color paste, 2% of polyurethane leveling agent, 1% of modified polyurethane dispersant, and 9% of butanone solvent, ethyl acetate and methyl isobutyl ketone;
(3) black opaque ink: 47% of polyester polyurethane resin, 14% of hydroxyl vinyl chloride-vinyl acetate copolymer, 20% of black organic pigment, 5% of isocyanate curing agent, 2% of polyurethane leveling agent, 2% of modified polyurethane dispersing agent and 10% of butanone solvent, ethyl acetate and methyl isobutyl ketone, wherein the mixed solvent consists of 1:1: 2.
2. Process for the preparation of a coating
The method comprises the steps of printing blue light-transmitting ink and black light-proof ink on a PMMA film in a partitioned or up-and-down superposed mode according to design requirements by adopting a conventional gravure printing or screen printing mode to form a pattern layer, coating adhesive on the PMMA film and the pattern layer which are not covered by the ink, and compounding the adhesive with an ABS sheet to form the film capable of displaying the light-transmitting blue pattern and the light-proof black pattern under the support of a light source of lamplight.
The diaphragm is placed on a die which needs to be stretched by more than or equal to 200 percent, high-pressure heating stretching is carried out to form the shape shown in figure 2, the formed diaphragm is subjected to punching and shearing processes, unnecessary film edges are removed, the diaphragm is placed into a cavity of an injection die, and ABS materials are injected, so that the plastic product with the lamp display function is formed.
Example 2
As shown in fig. 3, the light-transmitting film for displaying colors and metallic luster patterns by light sequentially comprises a PMMA film 100, a color pattern layer 200, an aluminum-plated layer 500, an adhesive layer 300 and an ABS sheet 400, wherein the color pattern layer is formed by printing a yellow light-transmitting ink layer 203 and a black opaque ink layer 202 in different areas or in an up-and-down overlapping manner, the aluminum-plated layer is formed by vacuum sputtering, and the film has the following characteristics: (1) a part of the pattern which shows light-transmitting golden yellow metallic luster is arranged under the light foil, and the other part of the pattern shows light-tight black pattern; (2) the stretch rate of the membrane reaches 200 percent.
1. Material
The blue light-transmitting ink in the example 1 is changed into yellow light-transmitting ink, namely the blue transparent color paste in the formula is changed into yellow transparent color paste, and other materials are not changed.
2. Process for the preparation of a coating
Printing yellow transparent ink and black opaque ink on the PMMA film in different areas or in an up-and-down superposition manner according to design requirements by adopting a conventional gravure printing or screen printing manner to form a pattern layer, printing water-washing ink on the region of the pattern layer which does not need to show metal luster by adopting a gravure printing process, forming an aluminum-plated layer on the water-washing ink layer and the pattern layer which is not covered by the water-washing ink layer by vacuum sputtering, and finally, coating adhesive on the PMMA film, the pattern layer and the aluminum plating layer which are not covered by the printing ink, and compounding with an ABS sheet to form the membrane which can display a light-transmitting golden yellow metallic luster color pattern and a light-tight black pattern under the support of a lamplight source.
The formation process of the aluminum plating layer is a mature process at present.
The film is placed on a die to be heated and stretched under high pressure, and the stretching rate is more than or equal to 200 percent.
Example 3
As shown in fig. 4, the light-transmitting film with light-reflecting and light-diffracting effects displays color patterns, and includes a PMMA film 100, an embossed layer 600, a color pattern layer 200, an adhesive layer 300, and an ABS sheet 400 in sequence, wherein the color pattern layer is formed by printing a blue light-transmitting ink layer 201 and a black opaque ink layer 202 in different areas or in an up-and-down overlapping manner, and has the following characteristics: (1) the next part of the lamplight setoff displays a light-transmitting blue color pattern and has refraction and diffraction effects, and the other part displays a light-transmitting black color pattern; (2) the stretch rate of the membrane reaches 200 percent.
1. Material
(1) The transparent film layer, the pattern layer, and the transparent sheet were the same as in example 1.
(2) UV coating: 64% of acrylate monomer, 30% of urethane acrylate oligomer, 5.9% of ultraviolet initiator and 0.1% of leveling agent.
2. Process for the preparation of a coating
The method comprises the steps of firstly coating a UV coating layer on a PMMA film, then carrying out die pressing on the UV coating layer by adopting a grain metal roller to obtain an embossing layer with refraction, diffraction and other visual effects, then adopting the production process of embodiment 1 according to design requirements, forming light-transmitting and light-proof patterns on the embossing layer by adopting gravure printing, and then compounding the light-transmitting and light-proof patterns with an ABS sheet to obtain the film which can display color patterns under the light contrast and has refraction, diffraction and light-proof black patterns.
The forming process of the embossed layer is a mature process.
The film is placed on a die to be heated and stretched under high pressure, and the stretching rate is more than or equal to 200 percent.
Example 4
1. Material
(1) The transparent film layer, the pattern layer and the transparent sheet are the same as those in example 1;
(2) the aluminized layer was the same as in example 2;
(3) the UV coating was the same as in example 3.
2. Process for the preparation of a coating
The method comprises the steps of firstly coating a UV coating layer on a PMMA film, then carrying out mould pressing on the UV coating layer by adopting a grain metal roller to obtain an embossing layer with refraction, diffraction and other visual effects, then adopting the production process of embodiment 2 according to design requirements, adopting gravure printing to form light-transmitting and light-proof patterns on the embossing layer, then printing water-washing ink and vacuum sputtering an aluminum layer in a required area, then washing an unnecessary aluminum layer, and finally compounding the aluminum layer with an ABS sheet to obtain the diaphragm which can display color metal patterns under the light support and has refraction, diffraction and light-proof black patterns.
The film is placed on a die to be heated and stretched under high pressure, and the stretching rate is more than or equal to 200 percent.
The light-transmitting film of the present invention showing color patterns by lighting and suitable for in-mold injection is described in detail above, but the present invention is not limited thereto, and equivalent implementations or modifications, such as aluminum plating, molding compound formulation, and forming process, without departing from the scope of the present invention are also included in the present invention.
Claims (6)
1. The utility model provides a show the light-transmitting diaphragm of colour pattern and be fit for mould inlaying notes with light which characterized in that: the light-transmitting film sequentially comprises a transparent film layer, a decorative layer, a bonding layer and a plastic sheet layer; wherein the transparent film layer is a PMMA or PC film; the decorative layer comprises a picture and text layer formed by printing a light-transmitting ink layer and a light-tight ink layer, the light-transmitting ink layer and the light-tight ink layer are arranged in different areas or are overlapped up and down, and the light-transmitting ink layer or the light-tight ink layer uses thermoplastic polyurethane resin and a small amount of hydroxyl vinyl chloride-vinyl acetate resin as main resin of the ink; the plastic sheet layer is any one of transparent ABS, PC or PP sheets; the light-transmitting ink layer comprises 60-70% by weight of thermoplastic polyurethane resin, 10-20% by weight of hydroxyl vinyl chloride-vinyl acetate copolymer resin, 8-12% by weight of organic pigment, 0.1-2% by weight of leveling agent, 0.5-1% by weight of dispersing agent and 6-11% by weight of ester ketone mixed solvent, and the light-proof ink layer comprises 45-60% by weight of thermoplastic polyurethane resin, 10-20% by weight of hydroxyl vinyl chloride-vinyl acetate copolymer resin, 5-10% by weight of isocyanate curing agent, 15-25% by weight of dark-tone organic pigment, 0.1-2% by weight of leveling agent, 6-11% by weight of dispersing agent and 10-20% by weight of ester ketone mixed solvent; wherein the thermoplastic polyurethane resin is polyester polyurethane resin, and the isocyanate curing agent is TDI trimer.
2. The light-transmitting film adapted to be mold-injected and displaying a color pattern by lighting according to claim 1, wherein: the leveling agent is a polyurethane leveling agent.
3. The light-transmitting film for displaying a color pattern by lighting and suitable for in-mold injection according to claim 1 or 2, wherein: the method is characterized in that: the ester ketone mixed solvent is a mixed solvent of ethyl acetate, butanone and methyl isobutyl ketone.
4. The light-transmitting film adapted to be mold-injected and displaying a color pattern by lighting according to claim 3, wherein: the decorative layer also comprises a vacuum aluminum-plated layer, and the vacuum aluminum-plated layer is positioned between the image-text layer and the plastic sheet layer.
5. The light-transmitting film adapted to be mold-injected and displaying a color pattern by lighting according to claim 4, wherein: the decorative layer also comprises a UV embossing layer which is subjected to mould pressing and has an obvious concave-convex structure, and the UV embossing layer is positioned between the transparent film layer and the image-text layer.
6. The light-transmitting film adapted to be mold-injected and displaying a color pattern by lighting according to claim 5, wherein: the UV embossing layer comprises 60-70% of acrylate monomer, 20-30% of polyurethane propionic resin, 4-8% of ultraviolet initiator and 0.1-0.2% of leveling agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810758279.8A CN109016712B (en) | 2018-07-11 | 2018-07-11 | Light-transmitting film capable of displaying color patterns by lamplight and suitable for in-mold embedding |
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| CN201810758279.8A CN109016712B (en) | 2018-07-11 | 2018-07-11 | Light-transmitting film capable of displaying color patterns by lamplight and suitable for in-mold embedding |
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| CN109016712A CN109016712A (en) | 2018-12-18 |
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| CN110381688B (en) * | 2019-07-23 | 2021-03-02 | Oppo广东移动通信有限公司 | Decorative membrane, shell assembly and electronic equipment |
| CN110356336A (en) * | 2019-07-26 | 2019-10-22 | 重庆长安汽车股份有限公司 | A kind of gradual change light-emitting appearance dash board decoration panel structure |
| CN110816001A (en) * | 2019-12-04 | 2020-02-21 | 吴新蕾 | Automobile interior INS membrane structure and INS manufacturing process |
| CN111114081A (en) * | 2020-01-17 | 2020-05-08 | 上海延鑫汽车座椅配件有限公司 | Light-transmitting structure for automobile interior illumination and preparation method thereof |
| CN112708368A (en) * | 2020-12-24 | 2021-04-27 | 苏州恒吴汽车零部件科技有限公司 | TOM light-transmitting membrane and using method thereof |
| CN113333312B (en) * | 2021-06-03 | 2022-02-11 | 东莞市华越自动化设备有限公司 | DFN micro device test sorting facilities |
| CN114854066A (en) * | 2022-04-26 | 2022-08-05 | 嘉兴敏惠汽车零部件有限公司 | Automobile interior and exterior decorative coating structure with opaque decorative patterns |
| CN116985479B (en) * | 2023-09-26 | 2024-07-26 | 广东东田转印新材料有限公司 | Composite membrane capable of reflecting light rays and preparation method and application thereof |
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| CN1857932A (en) * | 2006-04-12 | 2006-11-08 | 汕头市东田转印有限公司 | Transfer film with multiple decoration effects and its producing method |
| CN101652035A (en) * | 2008-08-13 | 2010-02-17 | 深圳富泰宏精密工业有限公司 | Portable electronic device shell |
| CN101602310B (en) * | 2009-07-14 | 2013-03-27 | 汕头市东田转印有限公司 | Transfer printing film with coexistence of transfer printing image-text area and fastening area and production technology |
| CN102152699A (en) * | 2010-02-11 | 2011-08-17 | 许西岳 | Method for printing prepressing in-mould transfer printing films and in-mould decorative films by using a printer |
| CN104449037B (en) * | 2014-12-24 | 2017-04-12 | 中科院广州化学有限公司 | Screen printing peelable UV (ultraviolet) ink as well as preparation method and application of screen printing peelable UV ink |
| CN104608436B (en) * | 2014-12-31 | 2017-04-12 | 技嘉科技股份有限公司 | Light-transmitting plate body with metallic luster and manufacturing method of light-transmitting plate body |
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