CN209562603U

CN209562603U - A kind of PC plate material cell phone rear cover

Info

Publication number: CN209562603U
Application number: CN201920647392.9U
Authority: CN
Inventors: 刘文亮; 谢金沛
Original assignee: HENGSHAN COUNTY JIACHENG NEW MATERIAL Co Ltd
Current assignee: HENGSHAN COUNTY JIACHENG NEW MATERIAL Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2019-10-29
Anticipated expiration: 2029-05-08

Abstract

A kind of PC plate material cell phone rear cover, it is related to photovoltaic technical field, it includes PC plate material layer, the surface of the PC plate material layer is coated with one layer of case-hardening layer, the bottom-surface coated of the PC plate material layer has one layer of printable hardened layer for having water vapor rejection effect, the underrun UV transfer texture of the printable hardened layer forms one layer of UV transfer printing layer, the underrun sputter of the UV transfer printing layer forms one layer of PVD brightness enhancement layer, and the underrun UV ink silk screen printing of the PVD brightness enhancement layer forms one layer of UV ink silk screen printing layer.The utility model can largely avoid generating biggish smell and bubble point in subsequent hot bending machining process.

Description

A kind of PC plate material cell phone rear cover

Technical field

The utility model relates to photovoltaic technical field, a kind of especially PC plate material cell phone rear cover.

Background technique

With popularizing for electronic product, the electronic product of smart phone one kind gos deep into huge numbers of families, becomes daily life Indispensable a part, from 2G epoch to the 3G epoch again to the 4G epoch, and the 5G communication that will be popularized, the rear cover material of mobile phone Material is also by initial plastics to metal, then arrives glass ceramics, then to good PC and PMMA composite material is communicated, product exists always It constantly brings forth new ideas.

In the research to mobile phone 3D cover board, PC/PMMA composite board becomes hot spot instantly.Due to coming for 5G epoch Face, mobile phone 3D cover board market, which is also faced with, to be reshuffled, glass and ceramics will take advantage of a favourable situation and on, metal is then faced with superseded, and passes The plastics of system will welcome " living again ".Existing PC+PMMA cell phone rear cover production technology is basic are as follows: and PC+PMMA composite board → UV transfer texture → PVD blast → ink for screen printing → cut → hot bending shape → showering hardened layer → UV solidification → CNC deburring → Molding, it is seen then that existing processing method is usually after the sizing of PC material elder generation's hot bending, then carries out showering or dip-coating hardened material, Biggish smell and bubble point can be generated in this way, cause product yield low, production cost also correspondinglys increase.

Utility model content

Problem to be solved in the utility model is to provide a kind of PC plate material cell phone rear cover, can largely avoid Biggish bubble point is generated in subsequent hot bending machining process.

In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution: a kind of PC plate material cell phone rear cover, packet PC plate material layer is included, the surface of the PC plate material layer is coated with one layer of case-hardening layer, and the bottom-surface coated of the PC plate material layer has one Layer has the printable hardened layer of water vapor rejection effect, and the underrun UV transfer texture of the printable hardened layer forms one layer The underrun sputter of UV transfer printing layer, the UV transfer printing layer forms one layer of PVD brightness enhancement layer, the underrun of the PVD brightness enhancement layer UV ink silk screen printing forms one layer of UV ink silk screen printing layer.

Preferably, the PC plate material layer is the optics injection grade PC film of thickness 0.3-1mm.

It is highly preferred that the case-hardening layer is to be formed by curing using solventless coatings or PM solvent in PC plate material layer surface One layer of hardness be 3-9H hardened artiwear structure, water droplet angle >=105 degree.

It is highly preferred that the case-hardening layer with a thickness of 8-20um.

It is highly preferred that water vapor transmittance≤10mL/m of the printable hardened layer²× for 24 hours, oxygen obstruction rate≤1g/ m² × for 24 hours, and dyne value >=42 on surface, hardness 1H.

It is highly preferred that the printable hardened layer with a thickness of 0.1-1um.

The utility model has the beneficial effects that: since the surface of PC plate material layer is coated with case-hardening layer, and bottom surface It is coated with one layer of printable hardened layer for having water vapor rejection effect, in this way in subsequent hot bending machining process, substantially Biggish bubble point will not be generated, situations such as scuffing occurred in process is bad also can be largely reduced, is compared existing The production method of the first hot bending having showering hardened material again, carrying out production in subsequent technique production using the product of this structure can Effectively improve product yield.

Detailed description of the invention

Fig. 1 is the overall structure diagram in the utility model embodiment.

Appended drawing reference are as follows:

1 --- PC plate material layer 2 --- cementation zone 3 --- can print hardened layer

4 --- UV transfer printing layer 5 --- PVD brightness enhancement layer 6 --- ink silk screen printing layers.

Specific embodiment

For the ease of the understanding of those skilled in the art, the utility model is made below with reference to embodiment and attached drawing further Explanation, the content that embodiment refers to not is restriction to the utility model.

As shown in Figure 1, a kind of PC plate material cell phone rear cover, including PC plate material layer 1, the surface of PC plate material layer 1 are coated with one layer Case-hardening layer 2, the bottom-surface coated of PC plate material layer 1 have one layer of printable hardened layer 3 for having water vapor rejection effect, can print hard The underrun UV transfer texture for changing layer 3 forms one layer of UV transfer printing layer 4, and the underrun sputter of UV transfer printing layer 4 forms one layer of PVD The underrun UV ink silk screen printing of brightness enhancement layer 5, PVD brightness enhancement layer 5 forms one layer of UV ink silk screen printing layer 6.

The PC plate material cell phone rear cover that above embodiment provides, since the surface of PC plate material layer is coated with case-hardening layer, And bottom-surface coated has one layer of printable hardened layer for having water vapor rejection effect, in this way in subsequent hot bending machining process In, it basically will not produce biggish smell and bubble point, it is bad also largely to reduce the scuffing occurred in process Situations such as, the production method of existing first hot bending showering hardened material again is compared, it is raw in subsequent technique using the product of this structure Production is carried out in production can effectively improve product yield, and subsequent technique can be and rush to above-mentioned PC plate material cell phone rear cover It cuts, is cut the cell phone rear cover plate as regular shape, facilitate typesetting and rear process to process, then to regular shape Cell phone rear cover plate carries out hot bending shape, the procedure is carried out using the grinding tool for having specific shape, specification, after obtaining hot bending Cell phone rear cover plate finally carries out CNC deburring to the cell phone rear cover plate after hot bending, then edge polishing, finishing are carried out to it, mentions High sense of touch and round and smooth degree, to just can obtain directly applying to the PC plate material cell phone rear cover of mobile phone products.

Preferably, PC plate material layer 1 is the optics injection grade PC film of thickness 0.3-1mm.

More preferably, case-hardening layer 2 is using solventless coatings or PM solvent in 1 surface cure shape of PC plate material layer At one layer of hardness be 3-9H hardened artiwear structure, water droplet angle >=105 degree, wear-resisting property up to 3000 times back and forth More than (0000# steel wool, 1kg), at the same can hot bending, it is corrosion-free to PC plate material layer 1, the cementation zone 2 with a thickness of 8- 20um。

More preferably, it can print water vapor transmittance≤10mL/m of hardened layer 3²× for 24 hours, oxygen obstruction rate≤1g/ m²× for 24 hours, dyne value >=42 on surface, hardness is 1H or so, convenient for avoiding processing procedure from damaging, and since it has preferably Water vapor rejection effect, therefore can avoid the problem that Bubble in the later period, the printable hardened layer 3 with a thickness of 0.1-1um.

The various embodiments described above are the preferable implementation of the utility model, and in addition to this, the utility model can be with other Mode realizes that any obvious replacement is in the protection of the utility model under the premise of not departing from the technical program design Within the scope of.

In order to allow those of ordinary skill in the art more easily understand the improvement of the utility model compared with the existing technology it Place, some attached drawings of the utility model and description have been simplified, and for the sake of clarity, present specification is omitted one A little other elements, the element that those of ordinary skill in the art should be aware that these are omitted also may make up the interior of the utility model Hold.

Claims

1. a kind of PC plate material cell phone rear cover, including PC plate material layer (1), it is characterised in that: the surface of the PC plate material layer (1) coats There is one layer of case-hardening layer (2), the bottom-surface coated of the PC plate material layer (1) has one layer to have the printable hard of water vapor rejection effect Change layer (3), the underrun UV transfer texture of the printable hardened layer (3) forms one layer of UV transfer printing layer (4), the UV transfer The underrun sputter of layer (4) forms one layer of PVD brightness enhancement layer (5), the underrun UV ink silk screen printing of the PVD brightness enhancement layer (5) Form one layer of UV ink silk screen printing layer (6).

2. PC plate material cell phone rear cover according to claim 1, it is characterised in that: the PC plate material layer (1) is thickness 0.3- The optics injection grade PC film of 1mm.

3. PC plate material cell phone rear cover according to claim 2, it is characterised in that: the case-hardening layer (2) is using nothing The hardened artiwear structure that coatings volatile organic compounds or PM solvent are 3-9H in one layer of hardness that PC plate material layer (1) surface cure is formed, water Drip angle >=105 degree.

4. PC plate material cell phone rear cover according to claim 3, it is characterised in that: the case-hardening layer (2) with a thickness of 8-20um。

5. PC plate material cell phone rear cover according to claim 4, it is characterised in that: the steam of the printable hardened layer (3) Transmitance≤10mL/m²× for 24 hours, oxygen obstruction rate≤1g/ m²× for 24 hours, and dyne value >=42 on surface, hardness 1H.

6. PC plate material cell phone rear cover according to claim 5, it is characterised in that: the thickness of the printable hardened layer (3) For 0.1-1um.