CN107511311A - Surface structure part of a kind of terminal and preparation method thereof and mobile terminal - Google Patents
Surface structure part of a kind of terminal and preparation method thereof and mobile terminal Download PDFInfo
- Publication number
- CN107511311A CN107511311A CN201710633616.6A CN201710633616A CN107511311A CN 107511311 A CN107511311 A CN 107511311A CN 201710633616 A CN201710633616 A CN 201710633616A CN 107511311 A CN107511311 A CN 107511311A
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- China
- Prior art keywords
- structure part
- surface structure
- top coat
- coat layer
- preparation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/007—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
- H04M1/185—Improving the rigidity of the casing or resistance to shocks
Abstract
The invention provides surface structure part of a kind of terminal and preparation method thereof and mobile terminal, by using the matrix of plastic material material-making surface structure part, then prime coat is covered successively on outward appearance structural member, non conductive metal film layer, intermediate primer layers, first top coat layer, second top coat layer, and first top coat layer at the position that is carbonized at fisrt feature position, so that carbonization position has the lines of black, so that the surface structure part has dark line effect, show matte effect at other positions, so that the dark line effect of the surface structure part and matte effect show simultaneously, also have metallic luster concurrently simultaneously, realize good visual effect.
Description
Technical field
The present invention relates to the processing and fabricating technical field of structural member, a kind of surface structure part more particularly to terminal and its
Preparation method and mobile terminal.
Background technology
With the fast development of the communication technology, especially 5G (5-Generation, the 5th third-generation mobile communication technology) epoch are
It will arrive, the antenna of the terminal such as mobile phone can become extremely complex.
In order to ensure that the antenna of the terminals such as mobile phone launches reception demand, metal material is greatly limit in terminals such as mobile phones
Use on surface structure part, and the terminals such as mobile phone can be caused by using metal material to make the surface structure part of the terminals such as mobile phone
With good metallic luster, and not fugitive color after the surface structure part coloring made using metal material, it is durable in use.
Now, nonmetallic materials are brought into schedule in the application of outward appearance structural member manufacturing field, how to utilize non-metallic material
Material is produced with the surface structure part with the terminal of metallic luster as class of metal materials, in the prior art, also without one kind
Good solution.
The content of the invention
The present invention provides a kind of surface structure part of terminal and preparation method thereof, mobile terminal, to solve existing terminal
In the presence of application process, it is difficult to produced using nonmetallic materials with outer with metallic luster as class of metal materials
The problem of seeing structural member.
In order to solve the above problems, the invention discloses a kind of preparation method of the surface structure part of terminal, the making side
Method includes：
Using plastic material material-making surface structure part matrix；
Prime coat is covered in the appearance of the surface structure part matrix；
Non conductive metal film layer is covered in the primer coat surface；
Intermediate primer layers are covered in the non conductive metal film surface；
Covered successively on the intermediate primer layers surface for the first top coat layer for being coloured for the surface structure part matrix and
For the second top coat layer for the surface structure part matrix dumb light, surface structure part is obtained；
The first top coat layer being carbonized in the fisrt feature position in the surface structure part.
In order to solve the above problems, the invention also discloses a kind of surface structure part of terminal, the surface structure part uses
Above-mentioned preparation method makes, including：
The surface structure part matrix formed using plastic material material-making；
In the prime coat that the appearance of outward appearance structural member matrix covers successively, non conductive metal film layer, intermediate primer layers, first
Top coat layer and the second top coat layer；
Wherein, the surface structure part includes fisrt feature position, in the fisrt feature portion of the surface structure part matrix
First top coat layer is carbonized at position.
The invention also discloses a kind of mobile terminal, including above-mentioned surface structure part.
Compared with prior art, the present invention includes advantages below：
The preparation method of the surface structure part of terminal provided in an embodiment of the present invention, by using plastic material material-making
The matrix of surface structure part, then cover prime coat, non conductive metal film layer, intermediate primer layers, successively on outward appearance structural member
One top coat layer, the second top coat layer, and first top coat layer at the position that is carbonized at fisrt feature position so that carbonization position has black
The lines of color so that the surface structure part has dark line effect, shows matte effect at other positions so that the surface structure
The dark line effect of part and matte effect show simultaneously, while also have metallic luster concurrently, realize good visual effect.
Brief description of the drawings
Fig. 1 is a kind of one of laminated construction schematic diagram of surface structure part of terminal of the one of the embodiment of the present invention；
Fig. 2 is the two of the laminated construction schematic diagram of the surface structure part of a kind of terminal of the one of the embodiment of the present invention；
Fig. 3 is a kind of step flow chart of the preparation method of the surface structure part of terminal of the embodiment of the present invention two；
Fig. 4 is a kind of step flow chart of the preparation method of the surface structure part of terminal of the embodiment of the present invention three；
Fig. 5 is a kind of material laminate schematic diagram on surface structure part surface of the embodiment of the present invention three；
Fig. 6 is a kind of top view of the battery cover of mobile phone terminal of the embodiment of the present invention three.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Embodiment one
Reference picture 1, a kind of one of laminated construction schematic diagram of surface structure part of terminal of the embodiment of the present invention is shown,
The surface structure part includes the surface structure part matrix 1 formed using plastic material material-making, in outward appearance structural member matrix 1
Appearance successively covered with prime coat 3, non conductive metal film layer 4, intermediate primer layers 6, the first top coat layer 7 and the second top coat layer 8,
The surface structure part includes fisrt feature position 9, described at the fisrt feature position 9 of the surface structure part matrix 1
One top coat layer is carbonized, and the prime coat 3 is used for the appearance for filling and leading up the surface structure part matrix 1, and the intermediate primer layers 6 are used
In protecting the non conductive metal film layer 4, first top coat layer 7 is used for the coloring for the surface structure part matrix, described
It is the surface structure part matrix dumb light that second top coat layer 8, which is used for,.
Surface structure part provided in an embodiment of the present invention, first top coat layer 7 at the position that is carbonized at fisrt feature position 9,
So that carbonization position has the lines of black so that the surface structure part has dark line effect, shows dumb light at other positions
Effect so that the dark line effect of the surface structure part and matte effect show simultaneously, and the first top coat layer is covered by the second top coat layer, makes
Surface structure part in the first top coat layer institute color be not easy to take off, while the surface structure part of plastic cement material-making does not influence end
Hold the transmitting and reception of antenna.
Reference picture 2, the two of a kind of laminated construction schematic diagram of the surface structure part of terminal of the embodiment of the present invention shown,
In one preferred embodiment of the invention, the surface structure part also includes second feature position 10, the second feature portion
The first top coat layer 7 and the second top coat layer 8 at position 10 are removed.
In one preferred embodiment of the invention, first top coat layer 7 paints for temperature-curable type, second face
Enamelled coating 8 paints for ultraviolet hardening, and first top coat layer 4 includes having coloured metallic particles, second top coat layer 8
Including dumb light powder.
Reference picture 2, in one preferred embodiment of the invention, the appearance of the surface structure part matrix 1 and described
Also include the first attachment enamelled coating 2 between prime coat 3.
Reference picture 2, in one preferred embodiment of the invention, the non conductive metal film layer 4 and the intermediate primer layers 6
Between include second attachment enamelled coating 5.
In one preferred embodiment of the invention, the material of the non conductive metal film layer 4 is indium or tin.
In one preferred embodiment of the invention, the intermediate primer layers 6 include color dye.
In one preferred embodiment of the invention, the prime coat 3, intermediate primer layers 6 are ultraviolet hardening paint；
It is ultraviolet hardening paint that the first attachment enamelled coating 2, second, which adheres to enamelled coating 5,.
In one preferred embodiment of the invention, the thickness that the first attachment enamelled coating 2, second adheres to enamelled coating 5 is small
In the prime coat 3, intermediate primer layers 6, the first top coat layer 7, the second top coat layer 8 thickness.
In one preferred embodiment of the invention, the second feature position 10 is used for the logo positions of terminal or decoration
Bloom position；The fisrt feature position 9 is the dark line position of decoration.
Embodiment two
Reference picture 3, show a kind of terminal of the embodiment of the present invention two surface structure part preparation method the step of flow
The preparation method of surface structure part shown in the step flow chart corresponding diagram 1 of preparation method shown in Cheng Tu, Fig. 3.
The preparation method of the surface structure part of the terminal of the embodiment of the present invention may comprise steps of：
Step 101：Using plastic material material-making surface structure part matrix；
Step 102：Prime coat is covered in the appearance of the surface structure part matrix；
Step 103：Non conductive metal film layer is covered in the primer coat surface；
Step 104：Intermediate primer layers are covered in the non conductive metal film surface；
Step 105：Covered successively on the intermediate primer layers surface for coloured for the surface structure part matrix first
Top coat layer and for the second top coat layer for the surface structure part matrix dumb light, obtains surface structure part；
Step 106：The first top coat layer being carbonized in the fisrt feature position in the surface structure part.
The preparation method of the surface structure part of terminal provided in an embodiment of the present invention, by using plastic material material-making
The matrix of surface structure part, then cover prime coat, non conductive metal film layer, middle enamelled coating, first successively on outward appearance structural member
Top coat layer, the second top coat layer, and first top coat layer at the position that is carbonized at fisrt feature position so that carbonization position has black
Lines so that the surface structure part has dark line effect, shows matte effect at other positions so that the surface structure part
Dark line effect and matte effect show simultaneously, while also have metallic luster concurrently, realize good visual effect, the first top coat layer quilt
Second top coat layer covers so that surface structure part in first top coat layer institute color be not easy to take off, while plastic cement material-making
Surface structure part does not influence the transmitting and reception of terminal antenna.
Embodiment three
Reference picture 4, show a kind of terminal of the embodiment of the present invention two surface structure part preparation method the step of flow
Cheng Tu, the preparation method that the surface structure part shown in Fig. 2 is discussed in detail in the present embodiment three.
The preparation method of the surface structure part of the terminal of the embodiment of the present invention may comprise steps of：
Step 201, using plastic material material-making surface structure part matrix；
Specifically, plastic material can be mono- constant temperature Du ﹑ pressure after adding additive as basic Cheng Fen ﹐ using polymer
Solid material obtained by type or crosslinking curing shaping is made in Xia processed modelings of ﹐, for example, polycarbonate (Polycarbonate)
The conventional engineered plastics material such as material, polyamide PA (Polyamide) material, polystyrene PS (Polystyrene) material,
Wherein plastic material material can be a certain size the plastic material particle for being easy to processing made of plastic material, or into
The plastic material plate or block of type.
Surface structure part can be in the structural member of compositing terminal product, can be direct when user uses after those assemblings
The structural member seen, for example, the cell rear cover of mobile phone terminal, side button, fingerprint recognition button etc., surface structure part matrix 1 is then
Can be the basic appearance profile for embodying surface structure part, shape, a kind of semi-finished product of surface structure part the features such as size,
The matrix can be processed further, to make complete surface structure part.
In the embodiment of the present invention, plastic material material-making surface structure part matrix 1 can be used.
As a kind of example, when plastic material material is plastic material particle, Shooting Technique can be used specified
The surface structure part matrix 1 is produced in mould.
Certainly, according to the difference of plastic material material, those skilled in the art can select suitable manufacture craft to make
Surface structure part matrix, for example, it is also possible to when plastic material material is sheet material, using milling, CNC (Computer
Numerical control, Digit Control Machine Tool), the various techniques such as 3D printing are made, and the embodiment of the present invention is not described in detail here.
Step 202, in appearance covering the first attachment enamelled coating of the surface structure part matrix；
In embodiments of the present invention, can be in surface structure after using plastic material material-making surface structure part matrix 1
Appearance covering the first attachment enamelled coating 2 of part matrix 1, the first attachment enamelled coating 2 can play a plastic cement material with it is follow-up
Bridge joint effect between prime coat 3, adhesive force of the enhancing prime coat 3 in the appearance of the surface structure part matrix.
As a kind of example, the first attachment enamelled coating 2 can be a kind of UV (ultraviolet) ultraviolet hardening oil
Paint, wherein, UV curing types paint is to promote decomposition of initiator under the irradiation of ultraviolet light, produces free radical, triggers resin reaction
And a kind of light-initiated coating of film forming, UV curing types paint can generally include reactive diluent, oligomer, light trigger, help
Agent, wherein, the effect of reactive diluent is the solid constituent in dissolving U V coating, regulation system viscosity, is not a kind of volatility
Organic solvent, but directly participating in film-forming process has the non-volatility solvent of respond, for chemical constitution,
Usually molecular weight less and intramolecular contains a kind of monomer of polymerizable functional group, turn into a part for paint film after film forming, it is low
Polymers is the basic framework of UV curing types paint, the paint film with stereochemical structure is formed in the presence of UV photons, and assign
The various characteristics of paint film, such as the performance such as hardness, pliability, adhesive force, gloss, ageing-resistant are given, is crucial group in UV coating
Into part, the effect of light trigger is the energy for transmitting UV photons, triggers the cross-linked polymeric of monomer and oligomer rapidly,
The solid transfer process of the liquid of promotion system, according to triggering mechanism, light trigger can be divided into two big type of free radical and cation, auxiliary agent
Be improve paint film property and some accessory ingredients for adding, such as levelling agent, defoamer, base material lubricant, delustering agent, scattered
Agent, stabilizer, surface slip agent etc..
The embodiment of the present invention can use spray gun that UV paints are sprayed on into appearance, control spray time, spraying rate, make
The thicknesses of layers for obtaining UV paints is 5-7 μm, and after having sprayed, the surface structure part after this is sprayed is placed in special solidification case,
With UV energy：600-700mj/cm2(MJ every square centimeter), temperature：55 ± 5 DEG C, solidify 3-5 minutes so that this is first attached
Enamelled coating 2 to be covered in the appearance of surface structure part matrix.
Step 203, prime coat is covered in the appearance of the surface structure part matrix；
In embodiments of the present invention, in the appearance of outward appearance structural member matrix after the attachment of covering first enamelled coating 2, Ke Yi
The attachment enamelled coating overlying base enamelled coating 3, the prime coat 3 can be used for the pit or projection for filling and leading up the surface structure part matrix,
Although because the surface structure part matrix being made with plastic material material 1 surface naked eyes look like it is more smooth
, but once microcosmic amplification, it can be found that still suffer from many pit defect or bump defects above, these pits or
Raised presence can largely effect on subsequent metal film in coverage effect thereon, although moreover, on the surface of outward appearance structural member
The first attachment enamelled coating 2 is had been covered with, because the effect of the attachment enamelled coating is mainly bridge joint effect, enhancing prime coat 3 is outer at this
See the adhesive force in the appearance of structural member matrix, its thinner thickness, be also not enough to the pit filled and led up in appearance or projection
Defect, therefore, in embodiments of the present invention, it is necessary to be covered on the surface of the first attachment enamelled coating 2 for filling and leading up surface structure part base
Pit or projection in the appearance of body so that follow-up metallic diaphragm coverage effect is more preferable.
As a kind of example, the prime coat 3 can be a kind of UV (ultraviolet) ultraviolet hardening paint, use
UV paints are sprayed on the first attachment enamelled coating 2 by spray gun, control spray time, spraying rate so that the thicknesses of layers of UV paints
For 20-25 μm, after having sprayed, the surface structure part after this is sprayed is placed in special solidification case, with UV energy：500-
750mj/cm2(MJ every square centimeter), temperature：60 ± 5 DEG C, solidify 3-5 minutes so that it is attached that the prime coat 3 is covered in first
On enamelled coating 2, fill and lead up surface structure part matrix.
Step 204, non conductive metal film layer is covered in the primer coat surface；
In embodiments of the present invention, can be in the prime coat 3 after prime coat 3 are covered in the appearance of outward appearance structural member
Surface covering non conductive metal film layer 4, to cause the surface structure part to have metallic luster, while can control metallic diaphragm
Thickness so that the metallic diaphragm is non-conductive, so as to not influence the antenna performance of terminal.
As a kind of example, the thickness that can control metallic diaphragm is 100nm, under this thickness, can meet outward appearance knot
The demand of member metal gloss, and can make it that the thickness of the metallic diaphragm is also conductive insufficient for the metallic diaphragm, not influenceed
Antenna performance.
In one preferred embodiment of the invention, step 204 can include following sub-step：
Sub-step S11, non conductive metal film layer 4 is covered on the surface of prime coat 3 using depositing process is evaporated in vacuo.
In embodiments of the present invention, can under vacuum conditions, by metal targets by directly heating or indirectly heat,
Make target metal melt, then evaporation (or directly by solid sublimation be gas), metal targets atom obtains energy, obtains enough
The atom of enough energy flies away from target material surface, covers and deposits on the surface of prime coat 3, forms metallic film, is made by this method
Thickness of metal film is uniform, smooth, meanwhile, by the thickness for controlling metallic film so that metallic film is non-conductive.
In one preferred embodiment of the invention, the material of the metallic diaphragm can be indium or tin, and both metals make
Obtaining surface structure part has silvery white metallic luster.
Step 205, in non conductive metal film surface covering the second attachment enamelled coating；
In embodiments of the present invention, can be non-at this after the appearance covering non conductive metal film layer 4 of outward appearance structural member
Conducting metal film surface covering the second attachment enamelled coating 5 is covered, the second attachment enamelled coating 5 can play the non conductive metal film layer
Bridge joint between 4 and follow-up middle enamelled coating is acted on, adhesive force of the enamelled coating in the non conductive metal film layer 4 in enhancing, and it is acted on
It is similar with the first attachment enamelled coating 2.
As a kind of example, the second attachment enamelled coating 5 can be a kind of UV (ultraviolet) ultraviolet hardening oil
Paint, UV paints are sprayed in non conductive metal film layer 4 using spray gun, control spray time, spraying rate so that UV paints
Thicknesses of layers is 5-6 μm, and after having sprayed, the surface structure part after this is sprayed is placed in special solidification case, with UV energy：
600-700mj/cm2(MJ every square centimeter), temperature：55 ± 5 DEG C, solidify 3-5 minutes so that the second attachment enamelled coating 5 covers
Cover in non conductive metal film layer 4.
Step 206, intermediate primer layers are covered in the non conductive metal film surface；
In embodiments of the present invention, can also be non-after the surface of non conductive metal film layer 4 covering the second attachment enamelled coating 5
The surface of conducting metal film layer 4 covers intermediate primer layers 6, and the intermediate primer layers 6 prevent non-conductive to protect non conductive metal film layer 4
Metallic film is destroyed.
As a kind of example, the intermediate primer layers 6 can be a kind of UV (ultraviolet) ultraviolet hardening paint, adopt
UV paints are sprayed on the second attachment enamelled coating 5 with spray gun, control spray time, spraying rate so that the film layer of UV paints is thick
Spend for 20-25 μm, after having sprayed, the surface structure part after this is sprayed is placed in special solidification case, with UV energy：500-
750mj/cm2(MJ every square centimeter), temperature：60 ± 5 DEG C, solidify 3-5 minutes so that the intermediate primer layers 6 are covered in second
Adhere on enamelled coating 5.
Meanwhile in one preferred embodiment of the invention, the intermediate primer layers 6 can include color dye so that middle
Enamelled coating 6 can cause the surface structure part to have abundant color after solidifying.
As a kind of example, the color dye can be premetallized dye, and the complex dyestuff is added in intermediate primer layers 6
In, surface structure part lucuriant in design can be obtained.
Step 207, covered successively on the intermediate primer layers surface for coloured for the surface structure part matrix first
Top coat layer and for the second top coat layer for the surface structure part matrix dumb light, obtains surface structure part；
In embodiments of the present invention, can also be in intermediate primer layers after the appearance covering intermediate primer layers 6 of outward appearance structural member
6 surfaces cover for the first top coat layer 7 of surface structure part matrix coloring and for the surface structure part matrix successively
Second top coat layer 8 of dumb light, obtains surface structure part.
In one preferred embodiment of the invention, first top coat layer 7 paints for temperature-curable type, second face
Enamelled coating 8 paints for ultraviolet hardening, and first top coat layer 7 includes having coloured metallic particles, second top coat layer 8
Including dumb light powder.
In embodiments of the present invention, the effect of the first top coat layer 7 and the second top coat layer 8 is different, the effect of the first top coat layer 7
Surface structure part various colors are so that, and the effect of the second top coat layer 8 causes surface structure layer to have matte effect.
As a kind of example, spray gun can be used to add the temperature-curable type paint spray for having coloured metallic particles
Apply on the intermediate layer, control spray time, spraying rate so that the thicknesses of layers of temperature-curable type paint is 20-25 μm, spray
After being painted with, the surface structure part after spraying is placed in special solidification case, with baking temperature：75 DEG C, solidify 15-20 minutes,
So that first top coat layer 7 is covered on intermediate primer layers 6, then the ultraviolet added with dumb light powder is consolidated using spray gun again
Change type paint spraying controls spray time, spraying rate on the first top coat layer 7 so that the thicknesses of layers of UV paints is 25-30
μm, after having sprayed, the surface structure part after this is sprayed is placed in special solidification case, with UV energy：800-1000mj/cm2
(MJ every square centimeter), temperature：55 ± 5 DEG C, solidifying 3-5 minutes so that the top coat layer is covered on the first top coat layer 7, from
And make it that the top coat layer realizes different effects by different the first top coat layer 7 and the second top coat layer 8, for surface structure part
Appearance be more easy to be controlled.
So far, by above-mentioned steps 201-207, a kind of material laminate on surface structure part surface of the embodiment of the present invention three
Schematic diagram is as shown in Figure 5.
In one preferred embodiment of the invention, the coloured metallic particles of the tool can be metal alumina particles so that
Surface structure part has silvery white gloss.
In one preferred embodiment of the invention, the content of dumb light powder can be adjusted so that dumb light degree is 2.5 points
Light.
In one preferred embodiment of the invention, the thickness of the first attachment attachment enamelled coating 5 of enamelled coating 2, second is both less than institute
State prime coat 3, intermediate primer layers 6, the first top coat layer 7, the thickness of the second top coat layer 8 so that the thickness and its function of each layer paint
It is adapted.
It should be noted that the first attachment enamelled coating 2 in the embodiment of the present invention, the second attachment enamelled coating 5, prime coat 3 are middle
Enamelled coating 6, the first top coat layer 7, the second top coat layer 8, it can be UV curing types paint, and its main component is identical, such as
Main component can be polyacrylic acid, but in the above-described embodiments, its role simultaneously differs, because these UV consolidate
Change type paints, and the additive such as reactive diluent therein, light trigger, auxiliary agent has difference so that it acts on different.
It should be noted that the UV curing types paint of the embodiment of the present invention is all transparent paint, so that non-conductive
The metallic luster of metal film layer can show through the transparent paint, while after to the appearance member colour simultaneously dumb light,
So that there is the gloss of metal and the effect of dumb light while assigning color.
Need also exist for explanation, step 202 and be selectable step the step of 205, both optional one, Quan Xuan,
Or do not select, this is practiced without influenceing on the embodiment of the present invention.
Again it is noted that above-mentioned intermediate primer layers 6, the first top coat layer 7 have the work for assigning surface structure part color
With for specifically which step selection to assign surface structure part color in, those skilled in the art can be any according to its needs
Combination, as long as can reach purpose and the effect of the embodiment of the present invention, the embodiment of the present invention does not require that intermediate primer layers 6 add face
After color dyestuff, the first follow-up top coat layer 7 necessarily needs to add have coloured metallic particles.
Step 208, the first top coat layer being carbonized in the fisrt feature position in the surface structure part；
In embodiments of the present invention, when the appearance of surface structure part covers the first top coat layer 7, the second top coat layer 8 successively
Afterwards, the fisrt feature position 9 in the surface structure part can also be determined, the fisrt feature position 9 can be manufacturer terminal meaning
Fixed position, or the position that user customizes to manufacturer terminal is can also be, such as can be the decoration of manufacturer terminal design
Dark line position.
In embodiments of the present invention, in it is determined that behind fisrt feature position 9, can be carbonized in the fisrt feature position 9
One top coat layer, at the same time, the second top coat layer are not affected then in carbonisation.
In one preferred embodiment of the invention, step 209 can include following sub-step：
Sub-step S21, the first machining path is determined at the fisrt feature position；
In embodiments of the present invention, after determining fisrt feature position 9, can be selected according to the position at fisrt feature position 9
The first optimal machining path, the selection of usual first machining path is relevant with the shape at fisrt feature position 9, if for example,
Fisrt feature position is the rectangle of a standard, then corresponding can select the first machining path to be consistent with the profile of rectangle,
So that machining path is most short.
Certainly, the selection of the first machining path is also and processing conditions, processing mode have much relations, those skilled in the art
Most suitable machining path can be selected according to actual conditions, as long as so that the first machining path at fisrt feature position 9 most
Short, the embodiment of the present invention is not restricted to this.
Sub-step S22, using the first top coat layer on first laser carbonization first machining path.
In the embodiment of the present invention, the first processing road can be removed using first laser by the way of first laser processing
The first top coat layer on footpath, and at the same time, the second top coat layer is unaffected in first laser process, because can
With by controlling the top coat layer of laser energy first of first laser to be carbonized just, and now, due to the second finish paint
Layer is more preferable compared to the first top coat layer to the tolerance of the laser, and the first laser with the energy does not cause then to the second top coat layer
Influence, the first top coat layer so that first laser can only be carbonized, and the second top coat layer is not impacted.
As a kind of example, wavelength can be used to be irradiated to machining path position for 1064nm infrared laser, setting refers to
Fixed first laser energy, the first laser irradiation time specified so that the first top coat layer is carbonized or part is carbonized.
Step 209, the first top coat layer and the second top coat layer in the second feature position in the surface structure part are removed.
In embodiments of the present invention, after the appearance of surface structure part covers the first top coat layer and the second top coat layer, also
The second feature position 10 in the surface structure part can be determined, the second feature position can be the position specified by manufacturer terminal
Put, or can also be the position that user customizes to manufacturer terminal, the location of second feature position and fisrt feature position
Difference, such as can be the logo positions or the ornamental bloom position of manufacturer terminal design of terminal, wherein, high light portion
When position refers to that light source is irradiated to object and then reflexed in the eyes of people, that most bright region on object.
In embodiments of the present invention, after determining second feature position 10, can get rid of in the second feature position 10
First top coat layer and the second top coat layer so that the position of intermediate primer layers 6 of structural member is exposed.
In one preferred embodiment of the invention, step 211 can include following sub-step：
Sub-step S31, the second machining path is determined at the second feature position；
In embodiments of the present invention, step S31 is referred to step S21, and therefore not to repeat here for the embodiment of the present invention.
Sub-step S32, the first top coat layer and the second top coat layer on second machining path are removed using second laser.
In the embodiment of the present invention, the on machining path can be removed using second laser by the way of Laser Processing
One top coat layer and the second top coat layer.
As a kind of example, wavelength can be used to be irradiated to machining path position for 1064nm infrared laser, setting refers to
Fixed second laser energy, the second laser irradiation time specified so that top coat layer is gasified, and finally gets rid of first finish paint
Layer and the second top coat layer.
It should be noted that due to using second laser processing when, it is necessary to completely by the first top coat layer and the second finish paint
Layer removes completely, and therefore, the second laser energy that the second laser of the embodiment of the present invention is specified in process is more than first
The first laser energy of laser in process.
In one preferred embodiment of the invention, second laser energy is more than the 20~30% of first laser energy.
It should be noted that because the fisrt feature position of the embodiment of the present invention and the position at second feature position are different,
The embodiment of the present invention is not construed as limiting to the sequencing of step 208 and 209, and step 209 can both perform after step 208,
It can also be performed before step 208, the embodiment of the present invention is not construed as limiting to this.
It should be noted that after above-mentioned Laser Processing, also need to use alcohol and acetone 1 in real work:1 (body
Product ratio) mixed liquor wipe characteristic portion, the impurity after Laser Processing is handled, foreign matter remove.
By above-mentioned steps 201-209, a kind of laminated construction schematic diagram of surface structure part of the embodiment of the present invention is such as
Shown in Fig. 2.
One kind as above-described embodiment is applied, and can produce a kind of mobile phone of the embodiment of the present invention three shown in Fig. 6
The top view of the battery cover of terminal, there is dark line effect at the fisrt feature position 9 of the battery cover, second in the battery cover is special
Levy at position 10 (including logo positions and decoration bloom position), there is bloom effect, and then there is metal at other positions 11
The matte effect of texture, accomplish bloom, dumb light, the appearance of dark line one, while do not influence the antenna performance of mobile phone also.
In embodiments of the present invention, it is carbonized, makes by above-mentioned preparation method, first top coat layer at fisrt feature position
Fisrt feature position has dark line effect, the transparent intermediate primer layers in the second feature position exposed in outermost layer, in
Between be exactly non-conductive layer of metal act (or may among also every second a thin layer of attachment enamelled coating) below enamelled coating, because this is non-
Conductive metal layer is plated by being evaporated in vacuo depositing process, and its planarization is good, has good metallic luster, while if middle
Enamelled coating is added with color dye, and the color of metallic luster collaboration color dye can be caused to pass through transparent intermediate primer layers so that
The bloom effect of the color with metallic luster of the extending part, meanwhile, at the position that other do not remove top coat layer, due to
Top coat layer causes the structural member to have the frosted texture of dumb light, finally cause the dark line effect of the surface structure part, bloom effect and
Matte effect shows simultaneously, improves the appearance power of surface structure part, realizes good visual effect.
It is additionally, since and in intermediate layer addition color dye surface structure part is coloured, outer layer also has the protection of top coat layer,
So that it is not easy to take off after the coloring of surface structure part.
For foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as to a series of combination of actions, but
It is that those skilled in the art should know, the present invention is not limited by described sequence of movement, because according to the present invention, certain
A little steps can use other orders or carry out simultaneously.Secondly, those skilled in the art should also know, be retouched in specification
The embodiment stated belongs to preferred embodiment, necessary to involved action and the module not necessarily present invention.
Example IV
The embodiment of the invention also discloses the surface structure part of a kind of mobile terminal, including previous embodiment.
Each embodiment in this specification is described by the way of progressive, what each embodiment stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
Finally, it is to be noted that, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, commodity or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, commodity or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, commodity or equipment being also present.
Above to surface structure part of a kind of terminal provided by the present invention and preparation method thereof, mobile terminal has been carried out in detail
Thin to introduce, specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help the method and its core concept for understanding the present invention；Meanwhile for those of ordinary skill in the art, foundation
The thought of the present invention, there will be changes in specific embodiments and applications, in summary, this specification content is not
It is interpreted as limitation of the present invention.
Claims (18)
1. the preparation method of the surface structure part of a kind of terminal, it is characterised in that the preparation method includes：
Using plastic material material-making surface structure part matrix；
Prime coat is covered in the appearance of the surface structure part matrix；
Non conductive metal film layer is covered in the primer coat surface；
Intermediate primer layers are covered in the non conductive metal film surface；
Cover the first top coat layer for being coloured for the surface structure part matrix successively on the intermediate primer layers surface and be used for
For the second top coat layer of the surface structure part matrix dumb light, surface structure part is obtained；
The first top coat layer being carbonized in the fisrt feature position in the surface structure part.
2. preparation method according to claim 1, it is characterised in that the preparation method also includes：
Remove the first top coat layer and the second top coat layer in the second feature position in the surface structure part.
3. preparation method according to claim 1, it is characterised in that first top coat layer paints for temperature-curable type,
Second top coat layer is ultraviolet hardening paint, and first top coat layer includes having coloured metallic particles, described the
Two top coat layers include dumb light powder.
4. preparation method according to claim 1, it is characterised in that the appearance in the surface structure part matrix
Before the step of covering prime coat, the preparation method also includes：
In appearance covering the first attachment enamelled coating of the surface structure part matrix.
5. preparation method according to claim 4, it is characterised in that described to be covered in the non conductive metal film surface
Before the step of intermediate primer layers, the preparation method also includes：
In non conductive metal film surface covering the second attachment enamelled coating.
6. preparation method according to claim 2, it is characterised in that first in the carbonization surface structure part is special
The step of levying the first top coat layer in position includes：
The first machining path is determined at the fisrt feature position；
Using the first top coat layer on first laser carbonization first machining path.
7. preparation method according to claim 6, it is characterised in that the features removed in the surface structure part
Position in the first top coat layer and the second top coat layer the step of include：
The second machining path is determined at the second feature position；
The first top coat layer and the second top coat layer on second machining path is removed using second laser.
8. according to the preparation method described in claim any one of 1-7, it is characterised in that described to be covered in the primer coat surface
The step of non conductive metal film layer, includes：
Using depositing process is evaporated in vacuo non conductive metal film layer is covered in the primer coat surface.
9. preparation method according to claim 5, it is characterised in that the material of the non conductive metal film layer be indium or
Tin.
10. according to the preparation method described in claim any one of 1-7, it is characterised in that the intermediate primer layers contaminate including color
Material.
11. preparation method according to claim 5, it is characterised in that the prime coat, intermediate primer layers are that ultraviolet is consolidated
Change type paints；The first attachment enamelled coating, the second attachment enamelled coating are ultraviolet hardening paint.
12. preparation method according to claim 5, it is characterised in that the first attachment enamelled coating, second adhere to enamelled coating
Thickness is respectively less than the prime coat, intermediate primer layers, the first top coat layer, the thickness of the second top coat layer.
13. the surface structure part of a kind of terminal, it is characterised in that the surface structure part is using any one of claim 1 to 12
Described preparation method makes, including：
The surface structure part matrix formed using plastic material material-making；
In the prime coat that the appearance of outward appearance structural member matrix covers successively, non conductive metal film layer, intermediate primer layers, the first finish paint
Layer and the second top coat layer；
Wherein, the surface structure part includes fisrt feature position, at the fisrt feature position of the surface structure part matrix
First top coat layer is carbonized.
14. surface structure part according to claim 13, it is characterised in that the surface structure part also includes second feature
Position, first top coat layer and the second top coat layer at the second feature position are removed.
15. surface structure part according to claim 13, it is characterised in that the appearance of the surface structure part matrix and
Also include the first attachment enamelled coating between the prime coat.
16. surface structure part according to claim 15, it is characterised in that the non conductive metal film layer and the centre
Include the second attachment enamelled coating between enamelled coating.
17. surface structure part according to claim 14, it is characterised in that the second feature position is the logo of terminal
Position or decoration use bloom position；The fisrt feature position is the dark line position of decoration.
18. a kind of mobile terminal, it is characterised in that including the surface structure part described in claim any one of 13-17.
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| CN201710633616.6A CN107511311A (en) | 2017-07-28 | 2017-07-28 | Surface structure part of a kind of terminal and preparation method thereof and mobile terminal |
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| CN201710633616.6A CN107511311A (en) | 2017-07-28 | 2017-07-28 | Surface structure part of a kind of terminal and preparation method thereof and mobile terminal |
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| CN102671844A (en) * | 2011-03-15 | 2012-09-19 | 东莞市旭通达模具塑胶有限公司 | Process for spraying plastic parts of mobile phone and mobile phone shell made by adopting process |
| CN103516843A (en) * | 2013-09-18 | 2014-01-15 | 广东欧珀移动通信有限公司 | Surface processing method of mobile phone plastic appearance piece and mobile phone plastic appearance piece |
| CN105944937A (en) * | 2016-05-27 | 2016-09-21 | 维沃移动通信有限公司 | Preparation method of terminal component and terminal component |
| CN106912174A (en) * | 2017-03-06 | 2017-06-30 | 东莞市三诚嘉五金塑胶制品有限公司 | The bright mist of plastic parts high metallic texture is with body technology and product |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671844A (en) * | 2011-03-15 | 2012-09-19 | 东莞市旭通达模具塑胶有限公司 | Process for spraying plastic parts of mobile phone and mobile phone shell made by adopting process |
| CN103516843A (en) * | 2013-09-18 | 2014-01-15 | 广东欧珀移动通信有限公司 | Surface processing method of mobile phone plastic appearance piece and mobile phone plastic appearance piece |
| CN105944937A (en) * | 2016-05-27 | 2016-09-21 | 维沃移动通信有限公司 | Preparation method of terminal component and terminal component |
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Application publication date: 20171226 |