CN206561661U

CN206561661U - A kind of plastic structure with ESD protection layer

Info

Publication number: CN206561661U
Application number: CN201720167469.3U
Authority: CN
Inventors: 肖云
Original assignee: He Honghua Nano Technology (shanghai) Co Ltd
Current assignee: He Honghua Nano Technology (shanghai) Co Ltd
Priority date: 2017-02-23
Filing date: 2017-02-23
Publication date: 2017-10-17
Anticipated expiration: 2027-02-23

Abstract

The utility model is related to a kind of plastic structure with ESD protection layer, including plastic layer positioned at bottom and the prime coat, ESD protection film, protective layer and the waterproof coating that are set in turn in above the plastic layer；Wherein, the prime coat is transparent UV enamelled coatings, and the protective layer is transparent polyimide resin coating, and the ESD protection film is, by nanometer metallic film formed by evaporation, the waterproof coating is transparent nanoscale hydrophobicized material coating under vacuum state.Compared with prior art, plastic structure described in the utility model with ESD protection layer, while with metal appearance, decay will not be produced to any high-frequency signal, effectively ensure the transmission and reception of communication signal, and realize the lightweight of product so that the ESD of electronic product barrier propterty increase, its hardness, wearability are improved, and with water resistance well.

Description

A kind of plastic structure with ESD protection layer

Technical field

The utility model is related to plastic coating field, more particularly to a kind of plastic structure with ESD protection layer.

Background technology

With the increasingly popularization of current electronic product, electronic equipment is seen everywhere in our production and living, electric energy Widely use, and chemical synthetic material is widely used so that the harm that electrostatic belt comes is increasingly severe, but electronics is produced The core circuit of product is unusual fragile, and the situation of electrostatic breakdown happens occasionally, and the serious operating for even resulting in equipment stops Only.

It is always by directly manufacturing using metal parts on some equipment or with water electroplating technique pair at present It is processed in plastic cement products.Parts are directly manufactured using metal so that product weight is aggravated, in addition for electric signal meeting The effect of shielding is produced, using there is suitable limitation；And be processed using water electroplating technique so that plastic surface has gold The attribute of category, but pollution of its technique for environment in itself is larger, and lose plastic cement and penetrate work for electric signal With.

With the raising of people's environmental requirement, and use equipment lightweight, the requirement of water resistance, these traditional sides Method cannot meet the demand of present electronic product.

Utility model content

The purpose of this utility model is to overcome defect of the prior art, it is proposed that a kind of modeling with ESD protection layer Plastic structure, it uses free of contamination NCVM techniques to substitute the technique of high pollution, and realizes the lightweight of product so that electronics is produced The ESD of product barrier propterty increase, and waterproof layer is set up, improve the waterproof effect of product.

To achieve the above object, the utility model is adopted the following technical scheme that：

A kind of plastic structure with ESD protection layer, including plastic layer positioned at bottom and it is set in turn in the modeling Prime coat, ESD protection film, protective clear layer and waterproof coating above glue-line.

In order to further optimize above-mentioned technical proposal, the technical measures that the present invention is taken also include：

Preferably, the waterproof coating is transparent nanoscale hydrophobicized material coating, and its thickness is 3~8 μm, more preferably 6μm。

Preferably, the surface of the waterproof coating is arc convex, and its arc convex is ellipse, the oval length Footpath ratio is 10~50.

Preferably, the plastic layer is selected from acrylonitrile-butadiene-styrene (ABS) (ABS), polyformaldehyde (POM), makrolon (PC), one kind in polymethyl methacrylate (PMMA), polypropylene (PP), polyamide (PA), more preferably PC.

Preferably, the ESD protection film is the nano metal under vacuum state by evaporation in plastic surface formation Film, its one kind in tin metal plated film, indium metal plated film or indium-containing alloy plated film.

Preferably, the crystal grain degree of the ESD protection film is 5~15nm, more preferably 10nm.

Preferably, the thickness of the ESD protection film is 60~90nm, more preferably 80nm.

Preferably, the prime coat is transparent UV enamelled coatings, and its thickness is 10~15 μm, more preferably 12 μm.

Preferably, the protective layer is transparent polyimide resin coating, and its thickness is 15~25 μm, more preferably 20 μm。

Preferably, the resistivity of the ESD protection film reaches more than 200 Ω .M.

Plastic structure described in the utility model can be used for the parts for preparing electronic product, it can also be used to prepare electronics production The containment vessel of product.

Compared with prior art, the utility model has the advantages that：

Because there is 2 μm or so of uneven place in the surface of plastic cement, therefore first in its surface coating layer of transparent UV Paint film, it is ensured that surface it is smooth；Then set on smooth UV paint films under vacuum state and pass through nanogold formed by evaporation Category film sets transparent polyimide resin coating as diaphragm as ESD protection film, and on ESD protection film, This causes plastic cement and its sheet material to have metallized finishes, while nanometer metallic film is special insulation structure again, it will not be to appointing What high-frequency signal produces decay, can effectively ensure the transmission and reception of communication signal, while again there is metal coating minute surface to imitate Really, and various colors, it is preferable 3C Product minute surface and the use material of appearance part, and the setting of UV paint films enhances plastic cement The intensity and wearability of structure；The waterproof coating with arc convex is set in the outermost layer of plastic structure, forming one layer has by force The hydrophobic coating of power, improves waterproof effect, the effective destruction for preventing water to electronic product；

Plastic structure described in the utility model has passed through following test：ESD performance tests, resistance 200M~20G with On；RF transceiver index tests, its test result meets YD/T1050-2000 regulation；And conventional reliability test, such as The test for passing through electrical characteristic as the plastic structure of cell phone appearance part.

Brief description of the drawings

Fig. 1 is the structural representation of the plastic structure according to an embodiment of the invention with ESD protection layer；

Reference in figure is：

1st, plastic layer；2nd, prime coat；3rd, ESD protection film；4th, protective layer；5th, waterproof coating.

Embodiment

With reference to the accompanying drawings and examples, embodiment of the present utility model is further described.Implement below Example is only used for clearly illustrating the technical solution of the utility model, and protection model of the present utility model can not be limited with this Enclose.

As shown in figure 1, the plastic structure with ESD protection layer that the utility model embodiment is provided, wherein ESD protection is thin Film 3 is formed by NCVM (Non conductive vacuum metalization, non-conductive vacuum plating) PROCESS FOR TREATMENT, described To including successively outside in plastic structure：Plastic layer 1, prime coat 2, ESD protection film 3, protective layer 4 and waterproof coating 5；Wherein institute State the one kind of the material of the plastic layer 1 in ABS, POM, PC, PMMA, PP, PA.

Specifically, the forming process of ESD protection film 3 is as follows：Pass through vacuum plating so that the conductive inorganic gold of script Category (being tin, the indium either alloy containing indium under usual state), by evaporation in the state of vacuum, makes metal become small Particle be uniformly attached to product surface, so as to form brilliant degree on the surface of plastic layer for 5~15nm (such as 10nm or so) Metallic film, reaches metal effect, the resistivity of the metallic film reaches more than 200 Ω .M and its thickness is in 60~90nm It is that a kind of can belong to inorganic nano material effectively by ESD and the metallic film of mobile phone RF performance tests between (such as 80nm) Material, it belongs to special insulation structure, and the effect of shielding will not can be produced for electric signal.

In the present embodiment, the prime coat 2 is the transparent UV enamelled coatings that thickness is 10~15 μm (such as 12 μm), and it is used to ensure The smooth adhesive force and attachment to increase metallic particles in the surface of plastic cement is uniform, and the metal effect of plastic structure is by being attached to priming paint ESD protection film 3 on layer 2 embodies, and the protective layer 4 is the clear polyimides resin that thickness is 15~25 μm (such as 20 μm) Coating, its hardness and wearability that are used to improve plastic structure, the waterproof coating 5 is with the transparent of arc convex surface Nanoscale hydrophobicized material coating, such as passes through nanometer skill using inorganic silicate, silica, catalyst and other function additives The transparent waterproof layer of art formation or the transparent waterproof layer formed using fluorinated high polymer material by nanometer technology, its thickness For 3~8 μm (such as 6 μm), particle properties contained by nano level waterproof coating 5 are stable, are not easily decomposed in rugged environment, and can subtract The hardness of few frictional resistance and increase material itself, the surface of arc convex can improve waterproof effect, effective to prevent water to electricity The destruction of sub- product.

From above-described embodiment, the plastic structure described in the utility model with ESD protection layer is outside with metal While sight, decay will not be produced to any high-frequency signal, effectively ensure the transmission and reception of communication signal, it is its hardness, resistance to Mill property is improved, and with water resistance well, extends the service life of plastic structure.

Specific embodiment of the utility model is described in detail above, but it is only used as example, the utility model It is not restricted to particular embodiments described above.To those skilled in the art, it is any that the practicality is equal Modifications and substitutions are also all among category of the present utility model.Therefore, the institute in the case where not departing from spirit and scope of the present utility model The impartial conversion and modification of work, should all cover in the range of the utility model.

Claims

1. a kind of plastic structure with ESD protection layer, it is characterised in that including the plastic layer (1) positioned at bottom and successively It is arranged at prime coat (2), ESD protection film (3), protective layer (4) and waterproof coating (5) above the plastic layer (1).

2. a kind of plastic structure with ESD protection layer according to claim 1, it is characterised in that the waterproof coating (5) it is transparent nanoscale hydrophobicized material coating, its thickness is 3~8 μm.

3. a kind of plastic structure with ESD protection layer according to claim 1, it is characterised in that the waterproof coating (5) surface is arc convex.

4. a kind of plastic structure with ESD protection layer according to claim 1, it is characterised in that the plastic layer (1) One kind in ABS, POM, PC, PMMA, PP, PA.

5. a kind of plastic structure with ESD protection layer according to claim 1, it is characterised in that the ESD protection is thin Film (3) is, by nanometer metallic film formed by evaporation, it is selected from tin metal plated film, indium metal plated film or contained under vacuum state One kind in indium alloy plated film.

6. a kind of plastic structure with ESD protection layer according to claim 1, it is characterised in that the ESD protection is thin The crystal grain degree of film (3) is 5~15nm.

7. a kind of plastic structure with ESD protection layer according to claim 1, it is characterised in that the ESD protection is thin The thickness of film (3) is 60~90nm.

8. a kind of plastic structure with ESD protection layer according to claim 1, it is characterised in that the prime coat (2) For transparent UV enamelled coatings, the protective layer (4) is transparent polyimide resin coating, the thickness of the prime coat (2) for 10~ 15 μm, the thickness of the protective layer (4) is 15~25 μm.

9. a kind of plastic structure with ESD protection layer according to claim 1, it is characterised in that the ESD protection is thin The resistivity of film (3) reaches more than 200 Ω .M.