CN111346802A - Spraying method and electronic product shell - Google Patents
Spraying method and electronic product shell Download PDFInfo
- Publication number
- CN111346802A CN111346802A CN202010202663.7A CN202010202663A CN111346802A CN 111346802 A CN111346802 A CN 111346802A CN 202010202663 A CN202010202663 A CN 202010202663A CN 111346802 A CN111346802 A CN 111346802A
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- China
- Prior art keywords
- paint
- electronic product
- spraying
- layer
- radiation
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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
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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
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
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- 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
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- 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
-
- 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
- B05D2201/00—Polymeric substrate or laminate
- B05D2201/02—Polymeric substrate
-
- 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
- B05D2301/00—Inorganic additives or organic salts thereof
-
- 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
- B05D2503/00—Polyurethanes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Signal Processing (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a spraying method. The spraying method comprises the following steps: providing an electronic product shell, base color paint, radiation protection paint and surface paint, spraying the base color paint, the radiation protection paint and the surface paint on the electronic product shell, and drying to form a base color surface layer, a radiation protection layer and a surface paint layer. The technical scheme of the invention can solve the problems of complex radiation protection process and poor applicability of the mobile phone protection shell in the prior art.
Description
Technical Field
The invention relates to the technical field of spraying methods, in particular to a spraying method and an electronic product shell.
Background
With the progress of electronic technology and electronic equipment, the technology and the quality of life of people are improved. However, with the use of electronic devices, the electromagnetic wave radiation brings great harm and hidden danger to the safe use of the electronic devices and the health of human beings. The electromagnetic radiation problem of the mobile phone is the electromagnetic radiation problem which is most closely related to the daily life of people and has the greatest influence on the health life of people. Through scientific tests, the electromagnetic radiation of the mobile phone can reach hundreds to thousands of times of the standby state when the mobile phone is switched on. For example, generally, the amount of electromagnetic radiation of a mobile phone in a standby state varies from several tens of microwatts to several tens of milliwatts depending on the location, and the peak value of the electromagnetic radiation may reach several watts or even tens of watts after the mobile phone is turned on. Therefore, when people use mobile phones as the most important communication tools, the influence of mobile phone radiation on human bodies cannot be ignored after long-term accumulation.
At present, the rubber protective shell of the mobile phone is required to be added with components for preventing electromagnetic radiation to realize electromagnetic shielding. However, the radiation protection technology has the following problems: the production process is combined with the production of the mobile phone protective shell, the production process of the traditional mobile phone shell is changed, the process is complex, and the cost is greatly increased; the applicability is limited, and the mould is opened again for different types of mobile phone protection shells, so that the investment is large.
Disclosure of Invention
The invention mainly aims to provide a spraying method, and aims to solve the problems of complex radiation protection process and poor applicability of a mobile phone protection shell in the prior art.
In order to achieve the purpose, the spraying method provided by the invention comprises the following steps:
spraying base color paint on the surface of the electronic product shell and forming a base color surface layer;
spraying radiation protection paint on the primary color surface layer to form a radiation protection layer;
and spraying surface paint on the radiation-proof layer to cover the radiation-proof layer and form a surface paint layer.
Optionally, the electronic product housing is made of PVC, PC or ABS material.
Optionally, the radiation-proof protective paint is a composite electromagnetic shielding component, wherein the composite electromagnetic shielding component is composed of metal powder with relative conductivity more than or equal to 0.02, ferromagnetic material powder with relative permeability more than or equal to 1 and a high-molecular dielectric material.
Optionally, the thickness of the radiation-proof protective paint ranges from 20 micrometers to 80 micrometers.
Optionally, the base color paint, the radiation protection paint and the surface paint are sprayed by a spray gun, and the distance between the spray nozzle and the surface of the carrier is 25-40 cm.
Optionally, the paint spraying gun moves along the direction of the surface of the electronic product shell, the moving speed of the paint spraying gun is kept uniform, and the direction of paint flow sprayed by the paint spraying gun is perpendicular to the surface of the electronic product shell.
Optionally, the spraying of the primary color surface layer comprises the steps of: and polishing the surface of the electronic product shell, cleaning the surface of the electronic product shell, spraying base color paint, forming a base color paint layer, and curing and drying.
Optionally, the surface paint is ultraviolet-curable adhesive or polyurethane doped with flash particles, and the mass percentage concentration of the flash particles in the surface paint is 5% -15%.
Optionally, the glitter particles are pearls and/or glass beads, and the particle size of the glitter particles is 5-50 microns.
In addition, in order to achieve the above object, the present invention further provides an electronic product housing, which is prepared by the above method.
The embodiment of the invention provides a spraying method and an electronic product shell, wherein the spraying method comprises the following steps: spraying base color paint on the surface of the electronic product shell to form a base color surface layer, spraying radiation protection paint on the base color surface layer to form a radiation protection layer, and spraying surface paint on the radiation protection layer to cover the radiation protection layer and form a surface paint layer. The spraying method is simple, strong in operability and applicability, can efficiently reduce the electromagnetic radiation of the mobile phone, and can beautify and protect the surface of the shell of the electronic product from being abraded easily.
Drawings
FIG. 1 is a schematic flow chart of a first embodiment of the spraying method of the present invention;
FIG. 2 is a schematic flow chart of a second embodiment of the spraying method of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
With the progress of electronic technology and electronic equipment, the technology and the quality of life of people are improved. However, with the use of electronic devices, the electromagnetic wave radiation brings great harm and hidden danger to the safe use of the electronic devices and the health of human beings. The electromagnetic radiation problem of the mobile phone is the electromagnetic radiation problem which is most closely related to the daily life of people and has the greatest influence on the health life of people. Through scientific tests, the electromagnetic radiation of the mobile phone can reach hundreds to thousands of times of the standby state when the mobile phone is switched on. For example, generally, the amount of electromagnetic radiation of a mobile phone in a standby state varies from several tens of microwatts to several tens of milliwatts depending on the location, and the peak value of the electromagnetic radiation may reach several watts or even tens of watts after the mobile phone is turned on. Therefore, when people use mobile phones as the most important communication tools, the influence of mobile phone radiation on human bodies cannot be ignored after long-term accumulation.
At present, the rubber protective shell of the mobile phone is required to be added with components for preventing electromagnetic radiation to realize electromagnetic shielding. However, the radiation protection technology has the following problems: the production process is combined with the production of the mobile phone protective shell, the production process of the traditional mobile phone shell is changed, the process is complex, and the cost is greatly increased; the applicability is limited, and the mould is opened again for different types of mobile phone protection shells, so that the investment is large.
Referring to fig. 1, in a first embodiment of the spraying method of the present invention, the spraying method includes:
step S10, spraying base color paint on the surface of the electronic product shell, and forming a base color surface layer;
firstly, spraying base color paint on the surface of the shell of the electronic product to form a base color surface layer, and spraying the base color paint by using a paint spraying spray gun. After spraying, the electronic product shell is placed in an oven to be dried for 20-60 minutes, and the temperature of the oven is controlled to be 30-60 ℃.
Specifically, step S10 includes:
and step S11, the electronic product shell is made of PVC, PC or ABS materials.
The electronic product shell can be a general electronic product shell made of all materials such as PVC, PC or ABS on the market, namely the electronic product shell can be a plastic product made of any material.
Step S12, polishing the surface of the electronic product shell, cleaning the surface of the electronic product shell, spraying base color paint, forming a base color paint layer, and curing and drying
Polishing the surface of the electronic product shell, cleaning the surface of the electronic product shell, spraying base color paint, and forming a base color paint layer; and carrying out third curing and drying, and forming a primary color surface layer.
Preferably, in this embodiment, the surface of the electronic product housing is polished by using an abrasive cloth, and during polishing, the surface of the carrier is polished in a polishing direction, and the surface of the carrier is visually inspected whether polished smoothly, and then the surface of the carrier electronic product housing is cleaned in the polishing direction and wiped.
It can be understood that the adhesive force of the surface of the carrier can be enhanced through the polishing and cleaning effects on the surface of the carrier, so that a foundation is laid for spraying of base color paint, radiation protection paint, surface paint and the like in the later period, and the anti-falling effect is achieved.
Of course, in other preferred embodiments, the abrading and cleaning of the carrier surface may be performed in other ways, such as by direct wiping of the carrier surface, etc.
Step S20, spraying radiation protection paint on the primary color surface layer and forming a radiation protection layer;
specifically, step S20 includes:
and step S21, the radiation-proof protective paint is a composite electromagnetic shielding component, wherein the composite electromagnetic shielding component is composed of metal powder with relative conductivity more than or equal to 0.02, ferromagnetic material powder with relative permeability more than or equal to 1 and a high-molecular dielectric material.
And step S22, the thickness range of the radiation protection paint is 20-80 microns.
The anti-radiation protective paint is an electromagnetic shielding material, and comprises a composite electromagnetic shielding component composed of materials with different electromagnetic properties, wherein the composite electromagnetic shielding component is composed of metal powder with relative conductivity more than or equal to 0.02, ferromagnetic material powder with relative permeability more than or equal to 1 and high polymer dielectric materials, and the materials with different electromagnetic properties are mixed in different proportions to obtain the electromagnetic shielding material with different electromagnetic properties, and specifically comprises the following components: in the composite electromagnetic shielding component, the volume ratio of the metal powder is 70-97%, the volume ratio of the ferromagnetic material powder is 1-29%, and the volume ratio of the high molecular dielectric material is 1-29%, so as to achieve the characteristics of high efficiency, broadband and low secondary pollution. The thickness of the radiation-proof protective paint is 20-80 microns, and the optimal radiation-proof effect of the radiation-proof layer can be ensured by controlling the thickness.
The radiation protection paint is naturally dried at room temperature, and the drying time is 10-24 hours.
Step S30, spraying a surface paint to the radiation-proof layer to cover the radiation-proof layer and form a surface paint layer.
The surface paint can be a mixture of elastic paint, a curing agent and a diluent, and can also be a mixture with a decorative function.
Specifically, step S30 includes:
and step S31, the surface paint is ultraviolet light curing glue or polyurethane doped with flash particles, and the mass percentage concentration of the flash particles in the surface paint is 5% -15%.
Step S32, the glittering particles are pearl powder and/or glass beads, and the particle size of the glittering particles is 5-50 microns.
The thickness of the surface paint layer is 20-80 microns. Wherein, the grain diameter of the glittering particles is 5-50 microns, and the glittering particles are uniformly dispersed in the coating layer. The mass percentage concentration of the flash particles in the coating layer is 5-15%.
The surface paint layer is a paint layer doped with flash particles, and can be one or more layers. When the topcoat layer is a plurality of layers, multiple topcoat layers may be disposed one on top of the other.
The coating layer of the flash particles enables the shell of the electronic product to have a flash point effect, so that the fashion of the product can be enhanced, the user experience can be enhanced, the appearance effect of the product can be effectively protected, and the electronic product is not easy to wear.
The invention sprays base color paint on the surface of the shell of the electronic product to form a base color surface layer, sprays radiation protection paint on the base color surface layer to form a radiation protection layer, and sprays surface paint on the radiation protection layer to cover the radiation protection layer and form a surface paint layer. The spraying method is simple, strong in operability and applicability, can efficiently reduce the electromagnetic radiation of the mobile phone, and can beautify and protect the surface of the shell of the electronic product from being abraded easily.
On the basis of the first embodiment, with reference to fig. 2, a second embodiment of the spraying method of the invention is proposed, which in this embodiment comprises:
and A10, spraying the base color paint, the radiation protection paint and the surface paint by using a spray gun, wherein the distance between the nozzle and the surface of the carrier is 25-40 cm.
And A20, moving the paint spraying gun along the surface direction of the electronic product shell, wherein the moving speed of the paint spraying gun is kept uniform, and the paint flow direction sprayed by the paint spraying gun is vertical to the surface of the electronic product shell.
And spraying the base color paint, the radiation protection paint and the surface paint by using a spray gun. The caliber of the spray nozzle of the spray gun is 0.6mm-2 mm. The air pressure of the spray gun is 0.5-0.8 MPa. The distance between the nozzle and the surface is 25 cm-40 cm. And when in spraying, the paint flow direction sprayed by the paint spraying spray gun is vertical to the surface of the carrier, the paint spraying spray gun moves along the surface direction of the carrier, and the moving speed of the paint spraying spray gun is kept uniform and consistent. The paint sprayed by the spraying method has high uniformity and good spraying effect. Of course, in other preferred embodiments, other spray methods may be used to spray the base coat.
The invention sprays base color paint on the surface of the shell of the electronic product to form a base color surface layer, sprays radiation protection paint on the base color surface layer to form a radiation protection layer, and sprays surface paint on the radiation protection layer to cover the radiation protection layer and form a surface paint layer. The spraying method is simple, strong in operability and applicability, can efficiently reduce the electromagnetic radiation of the mobile phone, and can beautify and protect the surface of the shell of the electronic product from being abraded easily.
In addition, the embodiment of the invention also provides an electronic product shell.
The electronic product shell is manufactured by the manufacturing method of the electronic product shell in the embodiment.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be substantially or partially embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for causing a system device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A spraying method is applied to an electronic product shell, and is characterized by comprising the following steps:
spraying base color paint on the surface of the electronic product shell, and forming a base color surface layer;
spraying radiation protection paint on the primary color surface layer to form a radiation protection layer;
and spraying surface paint on the radiation-proof layer to cover the radiation-proof layer and form a surface paint layer.
2. The method of claim 1, wherein the electronic housing is PVC, PC or ABS material.
3. The spraying method of claim 1, wherein the radiation-proof protective paint is a composite electromagnetic shielding component, wherein the composite electromagnetic shielding component is composed of metal powder with relative conductivity not less than 0.02, ferromagnetic material powder with relative permeability not less than 1 and high molecular dielectric material.
4. The method of claim 1, wherein said radiation protective paint has a thickness in the range of 20 microns to 80 microns.
5. The method of claim 1 wherein said base paint, said radiation protective paint and said surface paint are applied using a paint spray gun, said spray nozzle being spaced from said carrier surface by a distance of from 25 cm to 40 cm.
6. The method according to claim 5, wherein the paint spray gun is moved in a direction along the surface of the electronic product housing, the speed of the paint spray gun is kept uniform, and the direction of the flow of paint sprayed from the paint spray gun is perpendicular to the surface of the electronic product housing.
7. The method of claim 1, wherein the spraying of the primary color surface layer comprises the steps of: and polishing the surface of the electronic product shell, cleaning the surface of the electronic product shell, spraying base color paint, forming a base color paint layer, and curing and drying.
8. The spraying method according to claim 1, wherein the surface paint is an ultraviolet light-curable adhesive or polyurethane doped with flash particles, and the flash particles are present in the surface paint in a concentration of 5 to 15% by mass.
9. The spray coating method according to claim 1, wherein said glitter particles are pearl powders and/or glass beads, and the particle size of said glitter particles is 5 to 50 μm.
10. An electronic product housing, wherein the electronic product housing is prepared by the method of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010202663.7A CN111346802A (en) | 2020-03-20 | 2020-03-20 | Spraying method and electronic product shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010202663.7A CN111346802A (en) | 2020-03-20 | 2020-03-20 | Spraying method and electronic product shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111346802A true CN111346802A (en) | 2020-06-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010202663.7A Pending CN111346802A (en) | 2020-03-20 | 2020-03-20 | Spraying method and electronic product shell |
Country Status (1)
| Country | Link |
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| CN (1) | CN111346802A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203632721U (en) * | 2013-11-22 | 2014-06-04 | 马鞍山绿盾防护材料科技有限公司 | Efficient and applicable radiation protection type mobile phone protective housing |
| CN105578822A (en) * | 2016-02-01 | 2016-05-11 | 广东欧珀移动通信有限公司 | Electronic product case and manufacturing method thereof |
| CN106824716A (en) * | 2017-02-24 | 2017-06-13 | 弥勒浩翔科技有限公司 | A kind of spraying coating process |
-
2020
- 2020-03-20 CN CN202010202663.7A patent/CN111346802A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203632721U (en) * | 2013-11-22 | 2014-06-04 | 马鞍山绿盾防护材料科技有限公司 | Efficient and applicable radiation protection type mobile phone protective housing |
| CN105578822A (en) * | 2016-02-01 | 2016-05-11 | 广东欧珀移动通信有限公司 | Electronic product case and manufacturing method thereof |
| CN106824716A (en) * | 2017-02-24 | 2017-06-13 | 弥勒浩翔科技有限公司 | A kind of spraying coating process |
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Application publication date: 20200630 |
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