CN101357362A - High-light like traceless decoration technological process - Google Patents
High-light like traceless decoration technological process Download PDFInfo
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- CN101357362A CN101357362A CNA2008101423135A CN200810142313A CN101357362A CN 101357362 A CN101357362 A CN 101357362A CN A2008101423135 A CNA2008101423135 A CN A2008101423135A CN 200810142313 A CN200810142313 A CN 200810142313A CN 101357362 A CN101357362 A CN 101357362A
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Abstract
The present invention discloses a simulated highlight seamless decoration technique used for the casing surface decoration of products such as a flat television, etc. The method comprises the steps as follows: at least one color of environmental protective nontoxic colored paint is collocated; a plastic casing is manufactured; a cleanser is used for removing dust, oil stain and impurity on the casing surface, and the casing surface is processed by blowing dust and drying; the colored paint is sprayed and coated on the surface of the casing; the casing is sent into a dryer for drying; highlight ultraviolet varnish is sprayed and coated on the surface of the casing with the colored paint, and the surface of the casing is preheated and leveled and then is radiated and solidified by ultraviolet light. The colored paint used by the present invention is nontoxic and environmental protective, dries fast and has good covering performance, and the colored paint is required to be sprayed and coated by a single layer and has high production efficiency. The colored paint and the UV varnish have good adhesive attraction on the plastic casing, high hardness, good weather resistance and scratch resistance; the leveling degree and the fullness of the surface of a coating film are good, and decorative effect and protective effect are strong, so that the casing surface has very good highlight effect, and the technique has very high value for developing, popularizing and applying.
Description
Technical field
The present invention relates to a kind of high-light like traceless decoration technology technical field, relate in particular to a kind of high-light like traceless decoration technological process that is used for product casing incrustations such as flat-type television set.
Background technology
At present, for reach the consumer electronics product shell (as, the panel of television set, back cover and base) surface high light effect, mainly adopt two kinds of technologies: traditional UV radiation (UV) spraying coating process and quick-cooling and quick-warming high-light no-trace Shooting Technique.
Adopt traditional UV spraying coating process, the case hardness of product is higher, scratch resistance good, and is lower to the injection-moulding device requirement, adopts common injection raw material, the price cheapness, and the technology cost is low, but the case surface levelability is relatively poor, aquatic foods degree of reflecting is lower; Aborning, the VOC discharge capacity is higher, and environment is caused bigger pollution.
Adopt quick-cooling and quick-warming high-light no-trace Shooting Technique, can make that product surface is smooth, surface gloss good, have vividness height preferably, decorative effect; But because technical reason, when using this technology, need expensive injection moulding peripheral equipment that the medium of quick-cooling and quick-warming and control device accurately are provided.For preventing that generating weld mark develops the high-light no-trace injection-die complex structure of quick-cooling and quick-warming, costly specially, and need to adopt than common plastic material good fluidity, can produce the plastic cement raw material of special high light effect.Injection moulding also needs continuous grinding and polishing molding surface to obtain satisfied product surface effect when producing, cause injection molding cycle to prolong, and production efficiency descends, and the moulding yields is low, the technology cost is very high; Owing to use the product of this explained hereafter, case hardness has only 1F or 1HB usually simultaneously, in transportation and use, causes surface quality problems such as scratch, mill flower easily, directly influences the total quality and the appearance of product.
Along with the enhancing of people to consumer product quality requirements and environmental consciousness, add the soaring of oil and byproduct price thereof, the industry cost pressure increases, the appearance of these products and manufacturing process cost have been difficult to satisfy people's demand, need new technology or technology generation for existing production technology, realization scale, efficient and economization production.
Summary of the invention
The objective of the invention is provides a kind of high-light like traceless decoration technological process that is used for the incrustation of electronic product casing in order to solve the defective of above-mentioned prior art.
For solving the problems of the technologies described above, the high-light like traceless decoration technological process that the present invention proposes, step is as follows:
Dispose the colored paint of the environment-protecting asepsis of one or more colors as required;
Make plastic shell;
(above-mentioned two steps can intermodulation, also can carry out simultaneously.)
With dust, greasy dirt and the impurity of cleaning agent removing case surface, and the dry processing of drifting dust;
Described colored paint is sprayed at the surface of shell, shell is sent into drier;
High light ultraviolet ray varnish is sprayed at the case surface with colored paint, and preheating, advection, solidify with ultraviolet radiation (UV) back.
Behind the abundant dry solidification of high light ultraviolet ray varnish, shell is carried out final assembly or packing warehouse-in.
As required, can be after colored paint spray drying, be coated with character silk printing or pattern on the case surface of colored paint earlier, as the specification of the trade mark of company, product, model or the like, and oven dry.And then spray high light ultraviolet ray varnish.
According to casing ground and changes in environmental conditions, in the colored paint that configures, add 1.0～1.5 times diluent dilution, filter with 250 mesh filter screens the back, re-uses after the dilution allotment.
After plastic shell is made,,, can adopt the surface of the band spraying of the tiny sand papering shell of particle, till smooth outer surface as weld mark, depression if outward appearance is injected with defective.
In the preferred version of the present invention, described colored paint is to be 15～35 ℃ in room temperature, relative humidity is in 45～70% the working environment, to be sprayed at 9～10 seconds of surface of described shell with the air pressure of 0.3～0.4Mpa, and urges in 55～65 ℃ of dryers and doing 20～30 minutes.
Described high light ultraviolet ray varnish is to be 15～35 ℃ in temperature, relative humidity is in 45～70% the working environment, be sprayed at 9～12 seconds of surface of described shell with the air pressure of 0.3～0.4Mpa, again with 45～55 ℃ of preheatings of temperature, levelling 3～5 minutes, and before distance is the ultraviolet (UV) lamp of 250～300mm, with 800～1000mJ/cm
2The amount of ultraviolet irradiation radiation curing.
The thickness that described colored paint is coated with: individual layer is about 10～15um, and bilayer is 20～30um, and the sprayed coating gross thickness is no more than 30um.
Described cleaning agent be industry general smear shell water or industrial alcohol.
Described colored paint is formulated by resin, high-grade resin lysate, pigment and auxiliary agent.
For reaching the high light effect of high-grade electronic product casing, colored paint, the high light UV varnish of the environment-protecting asepsis that the present invention has adopted that cost is lower, production technology is easy, spray and substrate surface bond strength height, stable height and wear resistence are good successively are sprayed at the surface of product casing.Compare with existing technology,, make production process environmental protection more, hommization more because colored paint of the present invention is environment-protecting asepsis type coating; In process of production, the employed paint of this technology is dry rapidly, not serious defectives such as the common weld mark of plastic parts can finely be hidden, and generally only needs the individual layer colored paint to be coated with, and production efficiency is greatly improved, and the surface manifests good high gloss effect; Coating is good to plastic rubber substrate adhesive force such as ABS, PS, hardness is high, scratch resistance wound, good weatherability, and film coated surface levelling degree and richness have stronger ornamental and protectiveness; This technology is than traditional UV spraying coating process, and much more a little although to have consumed some coating and increased some costs, the produced product effect of this technology is that traditional UV spraying coating process hardly matches; With the contrast of quick-cooling and quick-warming high-light no-trace Shooting Technique, have higher production efficiency and better scratch resistance, wearability and economy, have very big exploitation and application value.
Description of drawings
The present invention is described further below in conjunction with drawings and Examples, wherein:
Fig. 1 is the process flow diagram of preferred embodiment of the present invention.
The specific embodiment
Fig. 1 is that the present invention is at the process flow diagram that carries out the mass production TV set panel.The processing step of present embodiment is:
The first step: according to the color and the adhesion condition of this TV set panel ground, be raw material, press the high light black paint of corresponding proportion allotment environment-protecting asepsis as priming paint with high-grade resin and lysate, pigment and auxiliary material etc.
Colored paint is according to the product appearance needs, and the colored paint that also can dispose multiple color uses simultaneously, promptly adds different pigment, can obtain that high light is black, pearl white, different color such as sapphire blue, romantic red.
According to casing ground and changes in environmental conditions, can also in the colored paint that configures, add 1.0～1.5 times diluent dilution, use 250 purpose strainer filterings again, use then.
Second step: with surface smoothness ordinary injection die preferably, adopt flowability preferably the ABS plastic cement produce panel as main raw material(s).
Be the high gloss effect that the high-light like traceless injection moulding reaches, except adopting the ABS plastic cement, panel also can adopt other plastic material that has the electronic product casing of good adhesion to use always for colorant, as, PS, HIPS, PC+ABS etc.
The above-mentioned first step and second step can intermodulation, also can carry out simultaneously.
The 3rd step: guaranteeing that panel does not have under the outward appearance injection defect situation such as obvious weld mark, use clean cotton to dip in to take a morsel smear shell water or industrial alcohol is cleaned filths such as casing surface flying dust, releasing agent, moisture, and with pressure-air drifting dust drying.
Usually after plastic shell is made, check that outward appearance is injected with not defective,, can adopt the surface of the band spraying of the tiny sand papering shell of particle, clear up again until smooth outer surface if there are defectives such as weld mark, depression.
The 4th step: in the special-purpose black primer of case surface spraying.In room temperature is 15～35 ℃, relative humidity is in 45～70% the working environment, use spray wheel W100, the W71 of spray wheel bore as 1.3mm, 1.5mm, nozzle distance shell 15～20cm, air pressure with 0.3～0.4Mpa, adopt artificial or manipulator that colored paint is sprayed at 9～10 seconds of surface of shell, even to reach sprayed surface thickness according to product design in spraying with different spray angles.Carry out the wet film levelling and left standstill 3～5 minutes under 15～35 ℃ temperature, in 55～65 ℃ of dryers, approximately drying was handled 20～30 minutes again.Room temperature cooling back is detected, and guarantees that colored paint is dry good, and the spraying defective that no coating is common is as defectives such as " tangerine peel ", " shrinkage cavity ", " turning white ", " sending out thick ".
The colored paint of present embodiment is the individual layer spraying, and coating layer thickness is 10～15um.Bilayer is 20～30um, and the sprayed coating gross thickness is no more than 30um.Generally speaking, the individual layer spraying promptly reaches requirement, in case of necessity, just adopts two-double spray coating.The colored paint that is sprayed can better be covered present injection mold and produce the not obvious initial imperfection that the plastic surface flows down.
The 5th step: the specification of the trade mark of company, product, model and relevant literal or pattern etc. on silk-screen on the case surface, and dry.
The 6th step: in temperature is 15～35 ℃, relative humidity is in 45～70% the working environment, high light ultraviolet ray varnish is sprayed at 9～12 seconds of surface of the shell with colored paint with the air pressure of 0.3～0.4Mpa, again with 45～55 ℃ of preheatings of temperature, levelling 3～5 minutes.Again shell is placed in the UV curing room, and apart from before ultraviolet (UV) lamp 250～300mm, with 800～1000mJ/cm
2The amount of ultraviolet irradiation radiation curing.Temperature should be controlled at below 60 ℃, in case the casing high temperature deformation.High light ultraviolet ray varnish is the individual layer spraying, and coating layer thickness is 15～25um.When high light ultraviolet ray varnish, with characteristics such as the supporting use of above-mentioned colored paint, outstanding behaviours film coated surface levelling and richness, high rigidity, scratch resistance wound, good weatherability, have better scratch resistance with seamless injection moulding workpiece contrast, have splendid ornamental and gloss retention.
Behind the abundant dry solidification of high light ultraviolet ray varnish, shell is carried out final assembly or packing warehouse-in.
Classify performance indications testing result down as to the TV set panel coating process:
(1) paint performance indications
(2) coating performance index behind the composite spraying
| Sequence number | Index | Parameter | Detection method |
| 1 | Adhesive force | ≤ 1 grade | GB/T9286-88 |
| 2 | Color | Water white transparency | Range estimation |
| 3 | Hardness | ≥2H | GB/T6739-96 |
| 4 | Weather resisteant | 240h does not have obvious be full of cracks, variable color≤3 grade, loss of gloss rate≤60% | GB/T1865-1997 |
| 5 | Hear resistance | 168h, 60 ℃, the paint film no change | GB/T1735-79 |
| 6 | Resistance to water | Deionized water, 168h under the normal temperature, phenomenons such as nothing is peeled off, variable color, foaming | |
| 7 | Humidity resistance | 40 ℃, 90%RH, 168h, phenomenons such as nothing is peeled off, variable color, foaming | GB/T1740-79 |
| 8 | Cold resistance | 168h ,-20 ℃, the paint film no change | |
| 9 | Cold-resistant thermal cycle | 60 ℃, 70%RHx3h →-20 ℃ x3h, 10 circulations, paint film no change | |
| 10 | Gloss | ≥95 | GB9754-88 |
| 11 | Wearability | ≥230 | GB1768-79 |
Compare with existing technology,, make production process environmental protection more, hommization more because colored paint of the present invention is environment-protecting asepsis type coating; In process of production, the employed paint of this technology is dry rapidly, not serious defectives such as the common weld mark of plastic parts can finely be hidden, and generally only needs the individual layer colored paint to be coated with, and production efficiency is greatly improved, and the surface manifests good high gloss effect; Coating is good to plastic rubber substrate adhesive force such as ABS, PS, hardness is high, scratch resistance wound, good weatherability, and film coated surface levelling degree and richness have stronger ornamental and protectiveness; This technology is than traditional UV spraying coating process, and much more a little although to have consumed some coating and increased some costs, the produced product effect of this technology is that traditional UV spraying coating process hardly matches; With the contrast of quick-cooling and quick-warming high-light no-trace Shooting Technique, have higher production efficiency and better scratch resistance, wearability and economy, have very big exploitation and application value.
Claims (9)
1, a kind of high-light like traceless decoration technological process is characterized in that comprising the steps:
Dispose the colored paint of the environment-protecting asepsis of at least a color;
Make plastic shell;
With dust, greasy dirt and the impurity of cleaning agent removing case surface, and the dry processing of drifting dust;
Described colored paint is sprayed at the surface of shell, shell is sent into drier;
High light ultraviolet ray varnish is sprayed at the case surface with colored paint, and preheating, advection, after use solidified by ultraviolet ray radiation.
2, high-light like traceless decoration technological process as claimed in claim 1 is characterized in that, after the described colored paint spraying drying, is being coated with character silk printing or pattern on the case surface of colored paint earlier, and oven dry.
3, high-light like traceless decoration technological process as claimed in claim 2 is characterized in that, behind the described configuration colored paint, in colored paint solution, adds 1.0～1.5 times diluent dilution, and filter with 250 mesh filter screens the back, the colored paint that obtains diluting.
4, as claim 2 or 3 described high-light like traceless decoration technological process, it is characterized in that, described produce plastic shell after, the surface of the sprayed coating of the shell that polishes flat.
5, high-light like traceless decoration technological process as claimed in claim 4, it is characterized in that, described colored paint is to be 15～35 ℃ in room temperature, relative humidity is in 45～70% the working environment, be sprayed at 9～10 seconds of surface of described shell with the air pressure of 0.3～0.4Mpa, and in 55～65 ℃ of dryers, urge and doing 20～30 minutes.
6, high-light like traceless decoration technological process as claimed in claim 5, it is characterized in that, described high light ultraviolet ray varnish is to be 15～35 ℃ in temperature, relative humidity is in 45～70% the working environment, be sprayed at 9～12 seconds of surface of described shell with the air pressure of 0.3～0.4Mpa, again with 45～55 ℃ of preheatings of temperature, levelling 3～5 minutes, and before distance is the ultraviolet (UV) lamp of 250～300mm, with 800～1000mJ/cm
2The amount of ultraviolet irradiation radiation curing.
7, high-light like traceless decoration technological process as claimed in claim 6 is characterized in that, the thickness that described colored paint is coated with: individual layer is about 10～15um, and bilayer is 20～30um, and the sprayed coating gross thickness is no more than 30um.
8, high-light like traceless decoration technological process as claimed in claim 7 is characterized in that, described cleaning agent be industry general smear shell water or industrial alcohol.
9, high-light like traceless decoration technological process as claimed in claim 8 is characterized in that, described colored paint is formulated by resin, high-grade resin lysate, pigment and auxiliary agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA2008101423135A CN101357362A (en) | 2008-08-08 | 2008-08-08 | High-light like traceless decoration technological process |
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| CNA2008101423135A CN101357362A (en) | 2008-08-08 | 2008-08-08 | High-light like traceless decoration technological process |
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| CN101357362A true CN101357362A (en) | 2009-02-04 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267298A (en) * | 2011-06-14 | 2011-12-07 | 天津市中环高科技有限公司 | Technological process applied to printing implemented between paint-spraying films of sheets |
| CN102598189A (en) * | 2009-11-11 | 2012-07-18 | 文亨太 | Automobile fuse which changes color when short circuited, and preparation method thereof |
| CN103480546A (en) * | 2012-07-12 | 2014-01-01 | 北京光耀东方科技开发有限公司 | Spray application technique for indoor decoration pollution regulation solution |
| CN104118123A (en) * | 2013-04-27 | 2014-10-29 | 昆山研达电脑科技有限公司 | Method for manufacturing double-color products |
| CN104191758A (en) * | 2014-08-11 | 2014-12-10 | 太仓欧锐智能化工程有限公司 | Colorful color-changing mobile phone shell with anti-counterfeiting and anti-scratching functions |
| CN104689966A (en) * | 2013-12-09 | 2015-06-10 | 艾酷电子科技有限公司 | Transparent material surface treatment method |
| CN105804368A (en) * | 2016-05-09 | 2016-07-27 | 苏州群力防滑材料有限公司 | Preparation method of antiskid plate |
| CN106269426A (en) * | 2016-08-31 | 2017-01-04 | 天津市精美特表面技术有限公司 | A kind of spoiler coating process |
| CN111036517A (en) * | 2019-12-13 | 2020-04-21 | 深圳市恒丰亚科技有限公司 | Spraying process for mobile phone frame |
| CN115318582A (en) * | 2022-09-19 | 2022-11-11 | 安徽铂优新材料有限公司 | Copper line photocuring automatic coating production line equipment |
-
2008
- 2008-08-08 CN CNA2008101423135A patent/CN101357362A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102598189B (en) * | 2009-11-11 | 2014-09-24 | 文亨太 | Automobile fuse which changes color when short circuited, and preparation method thereof |
| CN102598189A (en) * | 2009-11-11 | 2012-07-18 | 文亨太 | Automobile fuse which changes color when short circuited, and preparation method thereof |
| CN102267298A (en) * | 2011-06-14 | 2011-12-07 | 天津市中环高科技有限公司 | Technological process applied to printing implemented between paint-spraying films of sheets |
| CN103480546B (en) * | 2012-07-12 | 2015-01-28 | 北京光耀东方科技开发有限公司 | Spray application technique for indoor decoration pollution regulation solution |
| CN103480546A (en) * | 2012-07-12 | 2014-01-01 | 北京光耀东方科技开发有限公司 | Spray application technique for indoor decoration pollution regulation solution |
| CN104118123A (en) * | 2013-04-27 | 2014-10-29 | 昆山研达电脑科技有限公司 | Method for manufacturing double-color products |
| CN104689966A (en) * | 2013-12-09 | 2015-06-10 | 艾酷电子科技有限公司 | Transparent material surface treatment method |
| CN104689966B (en) * | 2013-12-09 | 2017-05-17 | 维沃移动通信有限公司 | Transparent material surface treatment method |
| CN104191758A (en) * | 2014-08-11 | 2014-12-10 | 太仓欧锐智能化工程有限公司 | Colorful color-changing mobile phone shell with anti-counterfeiting and anti-scratching functions |
| CN105804368A (en) * | 2016-05-09 | 2016-07-27 | 苏州群力防滑材料有限公司 | Preparation method of antiskid plate |
| CN106269426A (en) * | 2016-08-31 | 2017-01-04 | 天津市精美特表面技术有限公司 | A kind of spoiler coating process |
| CN111036517A (en) * | 2019-12-13 | 2020-04-21 | 深圳市恒丰亚科技有限公司 | Spraying process for mobile phone frame |
| CN115318582A (en) * | 2022-09-19 | 2022-11-11 | 安徽铂优新材料有限公司 | Copper line photocuring automatic coating production line equipment |
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Open date: 20090204 |