CN106817859B - Shell and preparation method thereof - Google Patents

Shell and preparation method thereof Download PDF

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Publication number
CN106817859B
CN106817859B CN201510869283.8A CN201510869283A CN106817859B CN 106817859 B CN106817859 B CN 106817859B CN 201510869283 A CN201510869283 A CN 201510869283A CN 106817859 B CN106817859 B CN 106817859B
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China
Prior art keywords
layer
polymer
gold foil
shell
housing
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CN106817859A (en
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张健
游智彬
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Shine Optoelectronics Kunshan Co Ltd
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Shine Optoelectronics Kunshan Co Ltd
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00Processes for producing special ornamental bodies

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Laminated Bodies (AREA)

Abstract

A housing, characterized in that the housing comprises: a housing including a first surface and a second surface disposed opposite the first surface; the first polymer is positioned on the first surface of the shell, and one side, far away from the shell, of the first polymer is provided with an image-text structure or a texture structure to form a first structural layer; a second polymer formed on a side of the first polymer remote from the housing; a gold foil layer located between the first polymer and the second polymer. The product surface has different grain effects, strong stereoscopic impression and layering sense, rich and attractive surface effect, better surface glossiness and flatness and long service life.

Description

Shell and preparation method thereof
Technical Field
The invention relates to the field of shells, in particular to a shell and a preparation method thereof.
Background
In the existing electronic products, the patterns and characters on the shell are generally processed on the surface of the shell of the product by adopting methods such as silk-screen printing, gold stamping, laser engraving and the like, and the patterns or characters on the shell can be permanently fixed on the shell by the methods. Among them, gold stamping is a method of transferring patterns or characters to the surface of a material to be hot stamped by heating and pressurizing, and is a method of manufacturing a metal layer which is relatively environment-friendly and relatively low in cost, and is of great interest because it can form clear and beautiful patterns or characters on the surface of a product, make the product display a strong decorative effect, and endow the product with a relatively high anti-counterfeiting performance.
The prior art usually forms high-brightness different color effects by hot stamping locally or completely on the surface of a material or a process part subjected to color processing to form a surface gold stamping foil, however, in the actual operation, the process of directly stamping the gold foil on the surface of the material or the process part subjected to color processing still has some defects, such as insufficient wear resistance and scratch resistance, poor adhesion of gold stamping patterns or characters on the surface of a product, wrinkling and bubbling on the surface of a gold stamping product, poor layering, and unsatisfactory effects of flatness, glossiness, stereoscopic impression and the like.
Therefore, a shell and a preparation method thereof are needed to be researched, so that the wear resistance and the adhesive force of the product can be increased, the layering sense and the stereoscopic impression of the product are increased, and the surface effect of the product is enriched.
Disclosure of Invention
In view of the above, the present invention provides a housing and a method for manufacturing the same, which solves the above technical problems.
A housing, characterized in that the housing comprises:
a housing including a first surface and a second surface disposed opposite the first surface;
the first polymer is positioned on the first surface of the shell, and one side, far away from the shell, of the first polymer is provided with an image-text structure or a texture structure to form a first structural layer;
a second polymer formed on a side of the first polymer remote from the housing;
a gold foil layer located between the first polymer and the second polymer.
In another embodiment, the second polymer is provided with an image-text structure or a texture structure to form a second structural layer.
In another embodiment, the first structural layer is provided with a first plating layer on the surface, and the gold foil layer is located between the first plating layer and the second polymer.
In another embodiment, a first adhesive layer is further disposed between the first polymer and the housing.
In another embodiment, a first coloring layer is disposed between the first plating layer and the gold foil layer, and a second bonding layer is disposed between the first coloring layer and the gold foil layer.
In another embodiment, a third adhesive layer is disposed between the gold foil layer and the second polymer.
In another embodiment, a decorative layer is formed from the second structural layer to the first structural layer, and the edge of the decorative layer is provided with a first filling layer.
A method of making a housing, comprising the steps of:
s1, arranging a first polymer on the surface of the shell, arranging an image-text structure or a texture structure on one side of the first polymer, which is far away from the shell, and curing to form a first structural layer;
s2, arranging a gold foil layer on the first polymer in the step S1;
s3, in the step S2, a second polymer is arranged on the gold foil layer and is solidified, an image-text structure or a texture structure is arranged on the second polymer, and a second structural layer is formed through solidification.
In another embodiment, between the steps S1 and S2, a step S11 is further included, and the step S11 is to provide a first adhesive layer between the housing and the first polymer.
In another embodiment, a plating layer is disposed between the gold foil layer and the first structural layer, and a first coloring layer is disposed between the plating layer and the gold foil layer.
In another embodiment, a second bonding layer is arranged between the gold foil layer and the first coloring layer.
In another embodiment, a decorative layer is formed from the second structural layer to the first structural layer, and a first filling layer is arranged at the edge of the decorative layer; the first filling layer is formed by one or more modes of electrophoretic coloring, ink-jet printing, screen printing, evaporation and sputtering.
Compared with the prior art, the invention has the following technical advantages:
gilt paper tinsel collocation coating transparent solution, printing, dyeing, processing procedure such as impression nanometer micro-structure layer, the panel surface possesses multilayer structure, can demonstrate different colours guaranteeing local or whole face in product surface, the product surface is equipped with the micro-structure layer, the micro-structure layer has high wear-resisting resistant scraping degree, protection gilt paper tinsel highlight effect that can be better prolongs product life, has the feel of preferred, makes the product surface possess glossiness, the roughness of preferred simultaneously, the product is more pleasing to the eye.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the housing of the present invention;
FIG. 2 is a schematic view of another housing of the present invention;
FIG. 3 is a schematic structural view of yet another housing of the present invention;
FIG. 4 is a schematic structural view of yet another housing of the present invention;
fig. 5 is a schematic view of one of the embodiments of the graphic structure or the texture structure in the housing according to the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described below. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, a housing, characterized in that it comprises:
a housing 100, the housing 100 including a first surface and a second surface disposed opposite to the first surface; the housing 100 may be a metal material or a non-metal material;
the first polymer 200 is positioned on the first surface of the shell 100, and an image-text structure 201 or a texture structure 201 is arranged on one side, away from the shell 100, of the first polymer 200 to form a first structural layer; a carrier (not shown) may be further disposed between the casing 100 and the first polymer 200;
a second polymer 400 located on a side of the first polymer 200 away from the housing 100;
a gold foil layer 300, the gold foil layer 300 being located between the first polymer 200 and the second polymer 00.
As shown in fig. 1, an image-text structure 401 or a texture structure 401 is disposed on a side of the second polymer 400 close to the gold foil layer 300 to form a second structural layer; or as shown in fig. 2, an image-text structure 401 or a texture structure 401 is arranged on the side of the second polymer 400 away from the gold foil layer 300 to form a second structural layer. There may or may not be graphics or texture on the second polymer 400, and there is no requirement for which side of the second polymer 400 the graphics or texture is on.
In another embodiment, as shown in fig. 3, the first structure layer is provided with a first plating layer 600 on the surface, and the gold foil layer 300 is located between the first plating layer 600 and the second polymer 400. The first plating layer 600 mainly plays a role of reflection, and may be implemented by electroplating, sputtering, or evaporation. For example, a first adhesive layer 500 is further disposed between the first polymer 200 and the housing 100, mainly to increase the adhesive effect; a first coloring layer 700 is disposed between the first plating layer 600 and the gold foil layer 300, and a second adhesive layer 800 is disposed between the first coloring layer 700 and the gold foil layer 300.
In another embodiment, a third adhesive layer (not shown) is disposed between the gold foil layer 300 and the second polymer 400.
As shown in fig. 3 and 4, in another embodiment, a decorative layer 20 is formed from the second structural layer (second polymer 400) to the first structural layer (first polymer 200), the decorative layer 20 is easily deformed or broken at the bending position when bending and punching are performed, and the bending position is subjected to drilling to form a notch after drilling; then, a first filling layer 900 is formed at the gap by one or more of electrophoretic coloring, inkjet printing, screen printing, evaporation or sputtering in the gap.
A method of making a housing, comprising the steps of:
s1, arranging a first polymer 200 on the surface of the shell 100, arranging an image-text structure 201 or a texture structure 201 on one side of the first polymer 200, which is far away from the shell 100, and curing to form a first structural layer; as shown in fig. 5, the pattern structure or the texture structure 201 may be obtained by imprinting and curing the mold 110 on the polymer 10, such that the pattern structure or the texture structure 201 is formed by a groove, and the groove may be filled with a coloring material, a dyeing material, or a conductive material;
s2, disposing the gold foil layer 300 on the first polymer 200 in the step S1;
s3, in the step S2, a second polymer curing 400 is arranged on the gold foil layer 300, an image-text structure or a texture structure 401 is arranged on the second polymer, and a second structural layer is formed through curing; as shown in fig. 5, the pattern or texture 401 may be formed by imprinting the polymer 10 through the mold 110 and curing, such that the pattern or texture 401 is formed by the grooves, and the grooves may be filled with a coloring material, a dyeing material or a conductive material.
In another embodiment, as shown in fig. 3, a step S11 is further included between the step S1 and the step S2, and the step S11 is to provide a first adhesive layer 500 between the housing 100 and the first polymer 200. In another embodiment, a first plating layer 600 is disposed between the gold foil layer 300 and the first structural layer, and a first coloring layer 700 is disposed between the first plating layer 600 and the gold foil layer 300. In another embodiment, a second adhesive layer 800 is disposed between the gold foil layer 300 and the first coloring layer 700.
In another embodiment, the decorative layer 20 is formed from the second polymer 400 to the first polymer 200, and the edge of the decorative layer 20 is provided with a first filling layer 900; when the decorative layer 20 is bent and punched, the bent part is easy to deform or break, and the bent part is drilled and cut to form a notch after drilling and cutting; then, a first filling layer 900 is formed at the gap by one or more of electrophoretic coloring, inkjet printing, screen printing, evaporation or sputtering in the gap.
Hereinafter, a detailed description will be given of a specific embodiment of the present invention.
The shell of the household appliance or the portable electronic equipment usually needs multi-step process treatment, so that the shell has better wear resistance, scratch resistance, adhesive force, flatness, color glossiness and three-dimensional layering of pictures and texts. Fig. 3 is a schematic cross-sectional view of a decorative layer 20 composed of a shell and a plurality of structural layers, and the specific manufacturing process is as follows:
the shell of the household appliance or the portable electronic product is generally made of metal, and in the preparation process, because the adhesive force of the surface of the metal shell 100 is poor, the surface of the shell 100 is required to be subjected to pretreatment such as degreasing, deoiling, baking and the like before being coated with transparent solution, printed and dyed, so that the surface of the plate is clean, the adhesive force of the shell 100 is prevented from being influenced by impurities on the surface, and a layer of metal oxide film can be formed on the surface of the shell 100, so that the oxidation of the shell 100 is avoided.
Next, the case 100 is coated to form the first adhesive layer 500, and the coated material may be a coating transparent solution, that is, a layer of colorless transparent material is formed on the surface of the casing 100 by coating, calendaring, or UV, and the material may be acrylic resin, acrylic amino resin, alkyd resin, polyol resin, or epoxy resin, or may be vinyl chloride resin, phenol resin, polyurethane resin, or the like, or may be colorless transparent graphite material, the materials have good glossiness, stability, wear resistance and the like, and after leveling, drying, calendaring and curing, a thin and even transparent bright layer is formed on the surface of the shell 100, namely, the first adhesive layer 500, thereby playing a role in improving surface smoothness, appearance effect, and service performance, and simultaneously contributing to enhancing adhesion between barrier layers and facilitating a subsequent printing process.
The first polymer 200 is formed on the surface of the first adhesive layer 500 on the coating side, that is, the surface of the first polymer 200 is printed or embossed to form a first structural layer. For example, a pattern or a character can be expressed on the plate material by printing the plate material partially or entirely with ink by a screen printing method. Then, a coloring treatment is performed to form a first plating layer 600 and a first colored layer 700 on the surface of the first structural layer,
since a hot stamping foil process is required to be performed next, the surface of the first coloring layer 700 is coated with a transparent solution to form the second bonding layer 800, which mainly aims to avoid the problems of non-stamping, non-solid hot stamping, blurred and incomplete hot stamped patterns or characters and the like in the subsequent process. The same material and the same process for the first adhesive layer 500 can be used.
The foil is pressed onto the second adhesive layer 800 to form the foil layer 300. The gold foil is processed by hot pressing, for example, the pattern or character to be gold-stamped is made into a convex plate to be heated, the gold foil paper is placed on the second bonding layer 800, and then the convex plate is hot-pressed to the gold foil paper, so that the gold foil falls onto the second bonding layer 800.
Therefore, the convex plate can be made of copper plates, zinc plates and other durable materials with good heat transfer effect, and the proper pressure and temperature are determined according to the characteristics of the second bonding layer 800, the area of the convex plate and the like, so that the ideal hot stamping effect is obtained.
The fourth gold foil stamping coating treatment is performed on the gold foil stamping layer 300, and may be to coat a transparent solution on the gold foil stamping layer 300, or to print and dye the transparent solution on the gold foil stamping layer to form a printing and dyeing layer, so that a third bonding layer is formed, and the influence on the surface effect of a product caused by the direct stamping of a subsequent mold on the gold foil stamping layer is avoided.
After the process is finished, the gold stamping foil is matched with the process processes of coating transparent solution, printing, dyeing, impressing nano-micro-structural layers and the like, the surface of the plate is provided with a multilayer structure, local or whole surface of the product can present different colors, the surface of the product is provided with the micro-structural layer, the micro-structural layer has high wear resistance and scratch resistance, the high brightness effect of the gold stamping foil can be better protected, the service life of the product is prolonged, better hand feeling is achieved, meanwhile, the surface of the product has better glossiness and flatness, and the product is more attractive.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail. In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Moreover, the technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (6)

1. A housing, characterized in that the housing comprises:
a housing including a first surface and a second surface disposed opposite the first surface;
the first polymer is positioned on the first surface of the shell, and one side, far away from the shell, of the first polymer is provided with an image-text structure or a texture structure to form a first structural layer;
a second polymer formed on a side of the first polymer remote from the housing;
a gold foil layer between the first polymer and the second polymer;
a first plating layer is arranged on the surface of the first structural layer, and the gold foil layer is positioned between the first plating layer and the second polymer;
a first coloring layer is arranged between the first plating layer and the gold foil layer, and a second bonding layer is arranged between the first coloring layer and the gold foil layer;
a first bonding layer is further arranged between the first polymer and the shell.
2. A casing according to claim 1, wherein the second polymer is provided with a graphic or texture to form the second structural layer.
3. A casing according to claim 1, wherein a third adhesive layer is provided between the gold foil layer and the second polymer.
4. A casing according to claim 2, characterised in that a decorative layer is formed from the second structural layer to the first structural layer, the edges of the decorative layer being provided with a first filling layer.
5. A method of making a housing, comprising the steps of:
s1, arranging a first polymer on the surface of the shell, arranging an image-text structure or a texture structure on one side of the first polymer, which is far away from the shell, and curing to form a first structural layer;
s2, arranging a gold foil layer on the first polymer in the step S1;
s3, setting a second polymer on the gold foil layer in the step S2, curing, wherein the second polymer is provided with an image-text structure or a texture structure, and curing to form a second structural layer; a step S11 is further included between the step S1 and the step S2, wherein the step S11 is to provide a first adhesive layer between the housing and the first polymer;
a plating layer is arranged between the gold foil layer and the first structural layer, and a first coloring layer is arranged between the plating layer and the gold foil layer;
and a second bonding layer is arranged between the gold foil layer and the first coloring layer.
6. A method for manufacturing a cover as claimed in claim 5, characterized in that a decorative layer is formed from the second structural layer to the first structural layer, the edge of the decorative layer being provided with a first filling layer; the first filling layer is formed by one or more modes of electrophoretic coloring, ink-jet printing, screen printing, evaporation and sputtering.
CN201510869283.8A 2015-12-01 2015-12-01 Shell and preparation method thereof Active CN106817859B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111372777B (en) * 2017-09-30 2021-02-26 深圳传音通讯有限公司 Composite board, texture manufacturing method thereof and mobile terminal adopting composite board
CN108382043B (en) * 2018-01-16 2021-03-26 Oppo广东移动通信有限公司 Sheet material, preparation method thereof, shell and electronic equipment
CN108638729B (en) * 2018-04-13 2022-10-18 Oppo广东移动通信有限公司 Shell, preparation method thereof and mobile terminal
CN111163600A (en) * 2019-12-31 2020-05-15 Oppo广东移动通信有限公司 Housing, electronic device, and method for manufacturing housing

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JP2010125319A (en) * 2008-11-25 2010-06-10 Seikyoku Kim Cooking container including printing display layer
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CN102858100A (en) * 2011-06-28 2013-01-02 比亚迪股份有限公司 Electronic product shell and manufacturing method thereof
CN203311307U (en) * 2013-05-23 2013-11-27 深圳市辰星通科技有限公司 Notebook computer decorated with gold foil
CN204669756U (en) * 2015-05-21 2015-09-23 东莞万德电子制品有限公司 A kind of electronic product casing with texture formula 3D grain effect

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Publication number Priority date Publication date Assignee Title
JP2010125319A (en) * 2008-11-25 2010-06-10 Seikyoku Kim Cooking container including printing display layer
CN101856896A (en) * 2009-04-13 2010-10-13 微玺科技股份有限公司 Metallic high polymer shell
CN102858100A (en) * 2011-06-28 2013-01-02 比亚迪股份有限公司 Electronic product shell and manufacturing method thereof
CN203311307U (en) * 2013-05-23 2013-11-27 深圳市辰星通科技有限公司 Notebook computer decorated with gold foil
CN204669756U (en) * 2015-05-21 2015-09-23 东莞万德电子制品有限公司 A kind of electronic product casing with texture formula 3D grain effect

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