CN107586374A - A kind of preparation method of mobile phone shell - Google Patents
A kind of preparation method of mobile phone shell Download PDFInfo
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- CN107586374A CN107586374A CN201710642455.7A CN201710642455A CN107586374A CN 107586374 A CN107586374 A CN 107586374A CN 201710642455 A CN201710642455 A CN 201710642455A CN 107586374 A CN107586374 A CN 107586374A
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- mobile phone
- phone shell
- vacuum coating
- preparation
- raw material
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Abstract
The invention discloses a kind of preparation method of mobile phone shell, it is related to the housing production field of electronic product, including,（1）Raw material forms：PEPA 44.5% 55%, diisocyanate 29% 41%, chain extender 10% 19%, lubricant 0.1% 0.6% and catalyst 0.01% 0.03%, fluorescent material 0.5% 1% and dyestuff 0.25% 0.5%；（2）Each raw material components after heating are mixed into injection twin-screw reaction machine；（3）Raw material after plasticizing are projected from nozzle, into handset shell mould molding；（4）Vacuum coating is carried out after spray-applied primer, colored paint successively in the mobile phone shell of shaping；（5）The vacuum coating in the region for needing to show the colored paint layer on vacuum coating is removed by laser laser carving；（6）After vacuum coating in coated surface sequentially forms enamelled coating and UV top coat layers.The present invention can embody rich colors and texture effect, while can both reduce cost, and and can reaches expected apparent visual effect so as to meet people's individual demand.
Description
Technical field
The present invention relates to the housing production field of electronic product, in particular to a kind of preparation method of mobile phone shell.
Background technology
With the trend of personalization, increasing portable electron device is in order to preferable outward appearance and special hand
Sense, it will usually using Vacuum Deposition PROCESS FOR TREATMENT into the appearance with metal-like on appearance member, or one is formed above
A little decorative patterns or lines.But in the prior art, the metal-like of plastic handset shell is excessively dull, and color is single, lack
Weary color hierarchy sense, visual effect are bad.The feature of night searching mobile phone is not strong simultaneously, and processes comparatively laborious.
The content of the invention
It is an object of the invention to provide a kind of preparation method of mobile phone shell, to solve the above problems.
To realize the object of the invention, the technical scheme that uses for：A kind of preparation method of mobile phone shell, specifically includes following step
Suddenly：
（1）Raw material forms：PEPA 44.5%-55%, diisocyanate 29%-41%, chain extender 10%-19%, profit
Lubrication prescription 0.1%-0.6% and catalyst 0.01%-0.03%, fluorescent material 0.5%-1% and dyestuff 0.25%-0.5%；
（2）PEPA and mix lubricant are heated to 95-105 DEG C；Diisocyanate is heated to 60-75 DEG C；It will expand
Chain agent is heated to 40-60 DEG C；Each raw material components after heating are mixed into injection twin-screw reaction machine, while in double screw extruder
Middle addition catalyst, mixed material react plasticizing in twin-screw reaction machine；
（3）Raw material after plasticizing are projected from nozzle, into handset shell mould molding；
（4）Vacuum coating is carried out after spray-applied primer, colored paint successively in the mobile phone shell of shaping；
（5）The vacuum coating in the region for needing to show the colored paint layer on vacuum coating is removed by laser laser carving；
（6）After vacuum coating in coated surface sequentially forms enamelled coating and UV top coat layers.
Further, drying 3-5 minutes at a temperature of 60-70 DEG C are also needed to after the UV top coat layers are formed, then
Carry out UV lamp treatment with irradiation.
Further, the colored paint layer, middle enamelled coating and UV top coat layers are Transparent color.
Further, the step（4）Middle base coat thickness is 8-12 microns, and spraying coating process condition is spraying temperature 20-30
DEG C, flow time 3 minutes under the conditions of 20-30 DEG C, toasted 10 minutes under the conditions of 60-70 DEG C.
Further, the step（4）The colored paint of middle spraying is that thickness is 8-12 microns；Spraying coating process condition is spraying temperature
Flow time 3 minutes, is toasted 15 minutes under the conditions of 60-70 DEG C under the conditions of 20-30 DEG C, 20-30 DEG C of degree.
The invention has the advantages that the present invention can embody rich colors and texture effect, while cost can be both reduced,
And can reaches expected apparent visual effect so as to meet people's individual demand, and whole mobile phone shell is all to have fluorescence
, the enhancing of night looking up function.
Embodiment
The present invention is described in further detail below by specific examples of the implementation.
Embodiment 1
A kind of preparation method of mobile phone shell, specifically comprises the following steps：
（1）Raw material forms：PEPA 50%, diisocyanate 30%, chain extender 15%, lubricant 0.3% and catalyst
0.02%th, fluorescent material 0.25% and dyestuff 0.35%；
（2）PEPA and mix lubricant are heated to 95-105 DEG C；Diisocyanate is heated to 60-75 DEG C；It will expand
Chain agent is heated to 40-60 DEG C；Each raw material components after heating are mixed into injection twin-screw reaction machine, while in double screw extruder
Middle addition catalyst, mixed material react plasticizing in twin-screw reaction machine；
（3）Raw material after plasticizing are projected from nozzle, into handset shell mould molding；
（4）Vacuum coating is carried out after spray-applied primer, colored paint successively in the mobile phone shell of shaping；
（5）The vacuum coating in the region for needing to show the colored paint layer on vacuum coating is removed by laser laser carving；
（6）After vacuum coating in coated surface sequentially forms enamelled coating and UV top coat layers.
Also need to dry 3-5 minutes at a temperature of 60-70 DEG C after the UV top coat layers are formed, then carry out UV lamp
Treatment with irradiation.The colored paint layer, middle enamelled coating and UV top coat layers are Transparent color.The step（4）Middle base coat thickness is that 8-12 is micro-
Rice, spraying coating process condition are flow time 3 minutes under the conditions of 20-30 DEG C, 20-30 DEG C of spraying temperature, are toasted under the conditions of 60-70 DEG C
10 minutes.Further, the step（4）The colored paint of middle spraying is that thickness is 8-12 microns；Spraying coating process condition is spraying temperature
Flow time 3 minutes, is toasted 15 minutes under the conditions of 60-70 DEG C under the conditions of 20-30 DEG C, 20-30 DEG C of degree.The UV energy of the UV lamps
Measure as 800-1200mj/cm2.The PEPA is polyester-diol, and its molal weight is 1200-2000g/mol；Institute
PEPA is stated as polyethylene glycol adipate glycol, polybutylene glyool adipate, polyadipate ethylene glycol/butanediol
One or more of mixtures in esterdiol or polyhexamethylene adipate glycol；The lubricant is stearic amide, covered
One or more of mixtures in denier wax, oleamide or ethylene bis stearic acid amide.
Embodiment 2
A kind of preparation method of mobile phone shell, specifically comprises the following steps：
（1）Raw material forms：PEPA 44.5%, diisocyanate 41%, chain extender 12%, lubricant 0.3% and catalysis
Agent 0.01%, fluorescent material 0.7% and dyestuff 0.5%；
（2）PEPA and mix lubricant are heated to 95-105 DEG C；Diisocyanate is heated to 60-75 DEG C；It will expand
Chain agent is heated to 40-60 DEG C；Each raw material components after heating are mixed into injection twin-screw reaction machine, while in double screw extruder
Middle addition catalyst, mixed material react plasticizing in twin-screw reaction machine；
（3）Raw material after plasticizing are projected from nozzle, into handset shell mould molding；
（4）Vacuum coating is carried out after spray-applied primer, colored paint successively in the mobile phone shell of shaping；
（5）The vacuum coating in the region for needing to show the colored paint layer on vacuum coating is removed by laser laser carving；
（6）After vacuum coating in coated surface sequentially forms enamelled coating and UV top coat layers.
Also need to dry 3-5 minutes at a temperature of 60-70 DEG C after the UV top coat layers are formed, then carry out UV lamp
Treatment with irradiation.The colored paint layer, middle enamelled coating and UV top coat layers are Transparent color.The step（4）Middle base coat thickness is that 8-12 is micro-
Rice, spraying coating process condition are flow time 3 minutes under the conditions of 20-30 DEG C, 20-30 DEG C of spraying temperature, are toasted under the conditions of 60-70 DEG C
10 minutes.Further, the step（4）The colored paint of middle spraying is that thickness is 8-12 microns；Spraying coating process condition is spraying temperature
Flow time 3 minutes, is toasted 15 minutes under the conditions of 60-70 DEG C under the conditions of 20-30 DEG C, 20-30 DEG C of degree.The UV energy of the UV lamps
Measure as 800-1200mj/cm2.The PEPA is polyester-diol, and its molal weight is 1200-2000g/mol；Institute
PEPA is stated as polyethylene glycol adipate glycol, polybutylene glyool adipate, polyadipate ethylene glycol/butanediol
One or more of mixtures in esterdiol or polyhexamethylene adipate glycol；The lubricant is stearic amide, covered
One or more of mixtures in denier wax, oleamide or ethylene bis stearic acid amide.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (5)
1. a kind of preparation method of mobile phone shell, it is characterised in that specifically comprise the following steps：
（1）Raw material forms：PEPA 44.5%-55%, diisocyanate 29%-41%, chain extender 10%-19%, profit
Lubrication prescription 0.1%-0.6% and catalyst 0.01%-0.03%, fluorescent material 0.5%-1% and dyestuff 0.25%-0.5%；
（2）PEPA and mix lubricant are heated to 95-105 DEG C；Diisocyanate is heated to 60-75 DEG C；It will expand
Chain agent is heated to 40-60 DEG C；Each raw material components after heating are mixed into injection twin-screw reaction machine, while in double screw extruder
Middle addition catalyst, mixed material react plasticizing in twin-screw reaction machine；
（3）Raw material after plasticizing are projected from nozzle, into handset shell mould molding；
（4）Vacuum coating is carried out after spray-applied primer, colored paint successively in the mobile phone shell of shaping；
（5）The vacuum coating in the region for needing to show the colored paint layer on vacuum coating is removed by laser laser carving；
（6）After vacuum coating in coated surface sequentially forms enamelled coating and UV top coat layers.
2. the preparation method of mobile phone shell according to claim 1, it is characterised in that after the UV top coat layers are formed also
Need to dry at a temperature of 60-70 DEG C 3-5 minutes, then carry out UV lamp treatment with irradiation.
3. the preparation method of mobile phone shell according to claim 1, it is characterised in that the colored paint layer, middle enamelled coating and UV faces
Enamelled coating is Transparent color.
4. the preparation method of mobile phone shell according to claim 1, it is characterised in that the step（4）Middle base coat thickness is
8-12 microns, spraying coating process condition are flow time 3 minutes under the conditions of 20-30 DEG C, 20-30 DEG C of spraying temperature, 60-70 DEG C of condition
Lower baking 10 minutes.
5. the preparation method of mobile phone shell according to claim 1, it is characterised in that the step（4）The colored paint of middle spraying
It is 8-12 microns for thickness；Spraying coating process condition is flow time 3 minutes under the conditions of 20-30 DEG C, 20-30 DEG C of spraying temperature,
Toasted 15 minutes under the conditions of 60-70 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642455.7A CN107586374A (en) | 2017-07-31 | 2017-07-31 | A kind of preparation method of mobile phone shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642455.7A CN107586374A (en) | 2017-07-31 | 2017-07-31 | A kind of preparation method of mobile phone shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107586374A true CN107586374A (en) | 2018-01-16 |
Family
ID=61042846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710642455.7A Withdrawn CN107586374A (en) | 2017-07-31 | 2017-07-31 | A kind of preparation method of mobile phone shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107586374A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111556186A (en) * | 2020-06-16 | 2020-08-18 | 东莞市林泽通讯器材有限公司 | Anti-slip method for mobile phone and mobile phone shell |
| CN112663004A (en) * | 2020-12-09 | 2021-04-16 | 东莞铱诺科技有限公司 | Vacuum coating method for outer surface of mobile phone shell |
| CN113829560A (en) * | 2021-09-18 | 2021-12-24 | 广东阿特斯科技有限公司 | Production process of colored plate mobile phone backboard |
-
2017
- 2017-07-31 CN CN201710642455.7A patent/CN107586374A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111556186A (en) * | 2020-06-16 | 2020-08-18 | 东莞市林泽通讯器材有限公司 | Anti-slip method for mobile phone and mobile phone shell |
| CN112663004A (en) * | 2020-12-09 | 2021-04-16 | 东莞铱诺科技有限公司 | Vacuum coating method for outer surface of mobile phone shell |
| CN112663004B (en) * | 2020-12-09 | 2023-06-27 | 东莞铱诺科技有限公司 | Vacuum coating method for outer surface of mobile phone shell |
| CN113829560A (en) * | 2021-09-18 | 2021-12-24 | 广东阿特斯科技有限公司 | Production process of colored plate mobile phone backboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180116 |
|
| WW01 | Invention patent application withdrawn after publication |