CN107584857A - The gravure plating etching process of ferric trichloride corrosion is substituted based on chlorination copper corrosion - Google Patents
The gravure plating etching process of ferric trichloride corrosion is substituted based on chlorination copper corrosion Download PDFInfo
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- CN107584857A CN107584857A CN201710585745.2A CN201710585745A CN107584857A CN 107584857 A CN107584857 A CN 107584857A CN 201710585745 A CN201710585745 A CN 201710585745A CN 107584857 A CN107584857 A CN 107584857A
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Abstract
The present invention relates to the gravure plating etching process that ferric trichloride corrosion is substituted based on chlorination copper corrosion, following steps are specifically included：According to the glue spraying THICKNESS CALCULATION copper chloride corrosive liquid dosage of laser glue；The hydrochloric acid according to needed for calculating copper chloride corrosive liquid dosage, copper chloride, oxidant, the dosage of additive, prepare copper chloride corrosive liquid, it is whether up to standard that each item data of copper chloride corrosive liquid is detected by Online Monitoring Control System, after each item data stabilization up to standard, roller to be corroded is placed in corrosion container chamber, control the rotating speed of roller to be corroded, copper chloride corrosive liquid is sprayed to carrying out corrosion treatment in roller to be corroded through corroding shower nozzle by corroding pump, bath processing is carried out to the position Jing Guo corrosion treatment simultaneously, oxide and corrosion residues are removed by pickling, .Compared with prior art, present invention process energy consumption is low, and the zero-emission of waste water can be achieved, and the feature of environmental protection is good, it can be ensured that roller site deep erosions and the precision of lateral erosion, corrosion homogeneity are good.
Description
Technical field
The invention belongs to gravure plating technical field, is related to a kind of based on the recessed of chlorination copper corrosion replacement ferric trichloride corrosion
Print version etching process.
Background technology
What laser plate-making was initially applied is all one layer of black glue to be applied in copper-plated version base, then carry out no film with laser machine
Gasification engraving, the pattern of needs is exposed, then corroded with ferric trichloride corrosive liquid, the ink cell required for reaching is deep
Degree, original pattern is gone back finally by printing.The application of laser machine compensate for electric carving site limitation, enrich the species of site,
Can existing caustic solution be all be single fountain corrosion, ferric trichloride corrosive liquid it is filtered pressurization inject directly on the space of a whole page
Corroded.But for ferric trichloride in practical application, it can produce substantial amounts of waste liquid, the liquid waste processing burden in later stage is larger, dirty
Dye is more serious, and violent reaction has serious lateral erosion in production, causes vertical and horizontal stroke weight difference serious, large area
Space of a whole page aberration is serious, and local pattern seriously corroded is uneven, the technical problems such as manual control difficulty is big, and this is required using a kind of anti-
Etching that should be slower.It is therefore, imperative using more environmentally friendly copper chloride corrosive liquid.
In actual applications, the tank liquor in copper chloride etching tank is made up of chlorination copper corrosion copper chloride and hydrochloric acid at present,
Its corrode reaction mechanism be：Cu+CuCl in acid condition2→ 2CuCl ↓, stannous chloride CuCl is not soluble in water, in excess chlorine
In the presence of ion, solvable complex ion can be formed：CuCl+2Cl-→(CuCl3)2-, with the progress of corrosion, due to copper chloride
Reduction, the rise of stannous chloride concentration of concentration, its oxidation-reduction potential reduce, and corrosion rate also declines therewith, now can be with
Regenerated by adding hydrogen peroxide, make stannous chloride aoxidize to obtain copper chloride, its reaction principle is：2CuCl+2HCl+H2O2→
2CuCl2+2H2O.Because regenerative process needs to consume hydrochloric acid and hydrogen peroxide, so both articles should be added to reach balance, mesh
It is preceding to detect the content of copper chloride and hydrochloric acid as foundation typically by laboratory or rule of thumb add at regular time and quantity, use
Above-mentioned artificial detection and addition the defects of existing be：Firstly, it is necessary to staff's timing is monitored to tank liquor, the addition of solution
And completed according to the experience of worker, not only need to consume substantial amounts of man power and material, and addition is inaccurate；In addition,
Because the continuous change of tank liquor is so that corrosion rate is unstable, there is same technique and the problem of etching time difference, it is rotten
Erosion speed and time are difficult to control, and the operation difficulty of corrosion is larger, and rework rate is high.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind does not influence laser system
The production efficiency of version, depth and lateral erosion precision are high, and corrosion homogeneity is good, energy-saving, green based on chlorination copper corrosion
Substitute the gravure plating etching process of ferric trichloride corrosion.
The purpose of the present invention can be achieved through the following technical solutions：
The gravure plating etching process of ferric trichloride corrosion is substituted based on chlorination copper corrosion, the technique specifically includes following step
Suddenly：
Step (1)：According to the glue spraying THICKNESS CALCULATION copper chloride corrosive liquid dosage of laser glue；
Step (2)：The dosage of hydrochloric acid, copper chloride, oxidant, additive according to needed for calculating copper chloride corrosive liquid dosage；
Step (3)：Water, hydrochloric acid, copper chloride, hydrogen peroxide and additive are injected into corrosion liquid bath, is configured to copper chloride
Corrosive liquid, detect whether each item data of copper chloride corrosive liquid is up to standard, and copper corrosion liquid to be chlorinated is each by Online Monitoring Control System
After item data stabilization up to standard, roller to be corroded is placed in corrosion container chamber, control the rotating speed of roller corrode for 60-70 turns/
Second, copper chloride corrosive liquid is sprayed to carrying out corrosion treatment in roller corrode, while to passing through through corroding shower nozzle by corroding pump
The position of excessive erosion processing carries out bath processing；
Step (4)：After corrosion treatment terminates, pickling removes oxide and corrosion residues, you can carries out follow-up version
Roller chromium plating process.
The Baume degrees of described copper chloride corrosive liquid is 30-33.
Copper chloride content is 330-360g/L in described copper chloride corrosive liquid, content of copper ion 135-155g/L, salt
The content of acid is 35-45g/L, and the content of described additive is 3-5g/L.
The oxidation-reduction potential of described hydrogen peroxide is 500-600mV.
The corrosion temperature of described copper chloride corrosive liquid is 39-45 DEG C, and corrosion pressure is 1.5-2.0kg, corrosion rate ＞
20μm/min。
Described additive is mixed by catalyst and shore protection agent, wherein, catalyst and the mass ratio of shore protection agent are
1:1.5-3。
As preferable technical scheme, the mass ratio of described catalyst and shore protection agent is 1:2.
Described catalyst is potassium chlorate, and described shore protection agent is perchlorate.
Described corrosion shower nozzle is 150-200mm apart from the distance of the space of a whole page, and the translational speed for corroding shower nozzle is 75-80m/s.
Described copper chloride corrosive liquid corrodes less than 5 to roller needs the 3.5-4.5 seconds, and 4.5- is needed to roller corrosion 5-25 silks
5.5 seconds, is needed to roller corrosion 25-35 silks the 5-6 seconds.
Described Online Monitoring Control System includes being used for the detection sensing for detecting each material concentration in copper chloride corrosive liquid
Device, the automatic sample unit for adding each raw material automatically, display and with detection sensor, automatic sample unit, display
The electric controller of device electrical connection.
Described detection sensor includes being used to detect the specific gravity sensor of copper chloride concentration in corrosive liquid, for detecting corruption
Lose the salt acid sensor of concentration of hydrochloric acid and the hydrogen peroxide sensor for detecting hydrogen peroxide concentration in corrosive liquid in liquid；
Described automatic sample unit includes being used for the automatic watering apparatus, dense for adjusting hydrochloric acid for adjusting copper chloride concentration
The automatic plus hydrochloric acid unit of degree and the automatic plus hydrogen peroxide plant for adjusting hydrogen peroxide concentration.
The mentality of designing of the present invention is that chlorination copper corrosion is substituted into traditional ferric trichloride to corrode, and preferably solves half leaching
The efficiency of formula corrosion is low, and ferric trichloride corrosion precision is low and easily causes the technical problem of environmental pollution, improves laser plate-making
Production efficiency, reduce doing over again for laser version, reduce laser make caused by quality problems cost waste, specifically include
Advantages below：
(1) copper chloride corrosion rate controls well slowly, and corrosion forms ink cell time length, and site bottom is smooth；
(2) waste cuprous chloride solution reproducible utilization, the zero-emission of waste water can be achieved, the feature of environmental protection is good, using chlorination copper corrosion not
Influence the production efficiency of laser plate-making, it can be ensured that roller site deep erosions and the precision of lateral erosion, corrosion homogeneity is good, site
Bottom is smooth；
(3) due to using Online Monitoring Control System to be greatly improved the Automated condtrol of technical process, can be achieved to corruption
Hydrochloric acid, copper chloride, the real time on-line monitoring of hydrogen peroxide in liquid bath, and automatic real-time feed supplement are lost, ensures the smooth of etching process
Carry out, not only reduce required human and material resources, moreover it is possible to energy consumption is significantly reduced, can compared to traditional ferric trichloride etching process
General 2/3 electricity consumption is saved, reduces the operation difficulty of corrosion and the rework rate of corrosion, there is good application prospect.
Embodiment
With reference to specific embodiment, the present invention is described in detail.
Embodiment 1：
The gravure plating etching process of ferric trichloride corrosion is substituted based on chlorination copper corrosion, the technique specifically includes following step
Suddenly：
Step (1)：According to the glue spraying THICKNESS CALCULATION copper chloride corrosive liquid dosage of laser glue；
Step (2)：The dosage of hydrochloric acid, copper chloride, oxidant, additive according to needed for calculating copper chloride corrosive liquid dosage；
Step (3)：Water, hydrochloric acid, copper chloride, hydrogen peroxide and additive are injected into corrosion liquid bath, is configured to copper chloride
Corrosive liquid, detect whether each item data of copper chloride corrosive liquid is up to standard, and copper corrosion liquid to be chlorinated is each by Online Monitoring Control System
After item data stabilization up to standard, roller to be corroded is placed in corrosion container chamber, the rotating speed for controlling roller to be corroded is 65 revolutions per seconds,
Copper chloride corrosive liquid is sprayed to carrying out corrosion treatment in roller corrode, while to by corruption through corroding shower nozzle by corroding pump
The position of erosion processing carries out bath processing；
Step (4)：After corrosion treatment terminates, pickling removes oxide and corrosion residues, you can carries out follow-up version
Roller chromium plating process.
In the present embodiment technique, the Baume degrees of copper chloride corrosive liquid is 33.Copper chloride content is in copper chloride corrosive liquid
360g/L, content of copper ion 155g/L, the content of hydrochloric acid is 45g/L, and the content of additive is 4g/L.
The corrosion temperature of copper chloride corrosive liquid is 45 DEG C, and corrosion pressure is 2.0kg, and corrosion rate is 26 μm/min.
Additive is mixed by catalyst and shore protection agent, and the mass ratio of catalyst and shore protection agent is 1:2.
It is 180mm to corrode shower nozzle apart from the distance of the space of a whole page, and the translational speed for corroding shower nozzle is 80m/s.Copper chloride corrosive liquid
Corroding less than 5 to roller needs the 3.5-4.5 seconds, needs the 4.5-5.5 seconds to roller corrosion 5-25 silks, corroding 25-35 silks to roller needs
The 5-6 seconds.
In the present embodiment, Online Monitoring Control System includes being used for the detection for detecting each material concentration in copper chloride corrosive liquid
Sensor, the automatic sample unit for adding each raw material automatically, display and with detection sensor, automatic sample unit,
The electric controller of display electrical connection.
Wherein, detection sensor includes being used to detect the specific gravity sensor of copper chloride concentration in corrosive liquid, for detecting corruption
Lose the salt acid sensor of concentration of hydrochloric acid and the hydrogen peroxide sensor for detecting hydrogen peroxide concentration in corrosive liquid in liquid；Automatically
The automatic watering apparatus that sample-adding unit includes being used to adjust copper chloride concentration, the automatic plus hydrochloric acid dress for adjusting concentration of hydrochloric acid
Put and add hydrogen peroxide plant for adjusting the automatic of hydrogen peroxide concentration.
Due to being greatly improved the Automated condtrol of technical process using Online Monitoring Control System, can be achieved to corrosive liquid
The real time on-line monitoring of hydrochloric acid, copper chloride, hydrogen peroxide in groove, and automatic real-time feed supplement, ensure being smoothed out for etching process,
Not only reduce required human and material resources, moreover it is possible to significantly reduce energy consumption, compared to traditional ferric trichloride etching process, can save
General 2/3 electricity consumption, reduce the operation difficulty of corrosion and the rework rate of corrosion.
Embodiment 2：
The gravure plating etching process of ferric trichloride corrosion is substituted based on chlorination copper corrosion, the technique specifically includes following step
Suddenly：
Step (1)：According to the glue spraying THICKNESS CALCULATION copper chloride corrosive liquid dosage of laser glue；
Step (2)：The dosage of hydrochloric acid, copper chloride, oxidant, additive according to needed for calculating copper chloride corrosive liquid dosage；
Step (3)：Water, hydrochloric acid, copper chloride, hydrogen peroxide and additive are injected into corrosion liquid bath, is configured to copper chloride
Corrosive liquid, detect whether each item data of copper chloride corrosive liquid is up to standard, and copper corrosion liquid to be chlorinated is each by Online Monitoring Control System
After item data stabilization up to standard, roller to be corroded is placed in corrosion container chamber, the rotating speed for controlling roller to be corroded is 60 revolutions per seconds,
Copper chloride corrosive liquid is sprayed to carrying out corrosion treatment in roller corrode, while to by corruption through corroding shower nozzle by corroding pump
The position of erosion processing carries out bath processing；
Step (4)：After corrosion treatment terminates, pickling removes oxide and corrosion residues, you can carries out follow-up version
Roller chromium plating process.
In the present embodiment technique, the Baume degrees of copper chloride corrosive liquid is 30.Copper chloride content is in copper chloride corrosive liquid
330g/L, content of copper ion 135g/L, the content of hydrochloric acid is 35g/L, and the content of additive is 3g/L.
The corrosion temperature of copper chloride corrosive liquid is 39 DEG C, and corrosion pressure is 1.5kg, and corrosion rate is 32 μm/min.
Additive is mixed by catalyst and shore protection agent, and the mass ratio of catalyst and shore protection agent is 1:1.5.
It is 150mm to corrode shower nozzle apart from the distance of the space of a whole page, and the translational speed for corroding shower nozzle is 75m/s.Copper chloride corrosive liquid
Corroding less than 5 to roller needs the 3.5-4.5 seconds, needs the 4.5-5.5 seconds to roller corrosion 5-25 silks, corroding 25-35 silks to roller needs
The 5-6 seconds.
Remaining is the same as embodiment 1.
Embodiment 3：
The gravure plating etching process of ferric trichloride corrosion is substituted based on chlorination copper corrosion, the technique specifically includes following step
Suddenly：
Step (1)：According to the glue spraying THICKNESS CALCULATION copper chloride corrosive liquid dosage of laser glue；
Step (2)：The dosage of hydrochloric acid, copper chloride, oxidant, additive according to needed for calculating copper chloride corrosive liquid dosage；
Step (3)：Water, hydrochloric acid, copper chloride, hydrogen peroxide and additive are injected into corrosion liquid bath, is configured to copper chloride
Corrosive liquid, detect whether each item data of copper chloride corrosive liquid is up to standard, and copper corrosion liquid to be chlorinated is each by Online Monitoring Control System
After item data stabilization up to standard, roller to be corroded is placed in corrosion container chamber, the rotating speed for controlling roller to be corroded is 70 revolutions per seconds,
Copper chloride corrosive liquid is sprayed to carrying out corrosion treatment in roller corrode, while to by corruption through corroding shower nozzle by corroding pump
The position of erosion processing carries out bath processing；
Step (4)：After corrosion treatment terminates, pickling removes oxide and corrosion residues, you can carries out follow-up version
Roller chromium plating process.
In the present embodiment technique, the Baume degrees of copper chloride corrosive liquid is 32.Copper chloride content is in copper chloride corrosive liquid
350g/L, content of copper ion 143g/L, the content of hydrochloric acid is 40g/L, and the content of additive is 5g/L.
The corrosion temperature of copper chloride corrosive liquid is 42 DEG C, and corrosion pressure is 1.8kg, and corrosion rate is 30 μm/min.
Additive is mixed by catalyst and shore protection agent, and the mass ratio of catalyst and shore protection agent is 1:3.
It is 200mm to corrode shower nozzle apart from the distance of the space of a whole page, and the translational speed for corroding shower nozzle is 78m/s.Copper chloride corrosive liquid
Corroding less than 5 to roller needs the 3.5-4.5 seconds, needs the 4.5-5.5 seconds to roller corrosion 5-25 silks, corroding 25-35 silks to roller needs
The 5-6 seconds.
Remaining is the same as embodiment 1.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using invention.
Person skilled in the art obviously can easily make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel do not depart from improvement that scope made and modification all should be the present invention's according to the announcement of the present invention
Within protection domain.
Claims (9)
1. the gravure plating etching process of ferric trichloride corrosion is substituted based on chlorination copper corrosion, it is characterised in that the technique is specific
Comprise the following steps：
Step (1)：According to the glue spraying THICKNESS CALCULATION copper chloride corrosive liquid dosage of laser glue；
Step (2)：The dosage of hydrochloric acid, copper chloride, oxidant, additive according to needed for calculating copper chloride corrosive liquid dosage；
Step (3)：Water, hydrochloric acid, copper chloride, hydrogen peroxide and additive are injected into corrosion liquid bath, is configured to chlorination copper corrosion
Liquid, to be chlorinated copper corrosion liquid each item number whether up to standard by Online Monitoring Control System detection each item data of copper chloride corrosive liquid
After stabilization up to standard, roller to be corroded is placed in corrosion container chamber, the rotating speed for controlling roller to be corroded is 60-70 revolutions per seconds, is led to
Excessive erosion pump sprays copper chloride corrosive liquid to carrying out corrosion treatment in roller to be corroded, while to through excessive erosion through corroding shower nozzle
The position of processing carries out bath processing；
Step (4)：After corrosion treatment terminates, pickling removes oxide and corrosion residues, you can carries out follow-up roller plating
Chromium process.
2. the gravure plating etching process according to claim 1 that ferric trichloride corrosion is substituted based on chlorination copper corrosion, its
It is characterised by, the Baume degrees of described copper chloride corrosive liquid is 30-33.
3. the gravure plating etching process according to claim 2 that ferric trichloride corrosion is substituted based on chlorination copper corrosion, its
It is characterised by, copper chloride content is 330-360g/L in described copper chloride corrosive liquid, content of copper ion 135-155g/L, salt
The content of acid is 35-45g/L, and the content of described additive is 3-5g/L.
4. the gravure plating etching process according to claim 3 that ferric trichloride corrosion is substituted based on chlorination copper corrosion, its
It is characterised by, the corrosion temperature of described copper chloride corrosive liquid is 39-45 DEG C, and corrosion pressure is 1.5-2.0kg, corrosion rate ＞
20μm/min。
5. the gravure plating etching process according to claim 3 that ferric trichloride corrosion is substituted based on chlorination copper corrosion, its
It is characterised by, described additive is mixed by catalyst and shore protection agent, wherein, catalyst and the mass ratio of shore protection agent are
1:1.5-3。
6. the gravure plating etching process according to claim 1 that ferric trichloride corrosion is substituted based on chlorination copper corrosion, its
It is characterised by, described corrosion shower nozzle is 150-200mm apart from the distance of the space of a whole page, and the translational speed for corroding shower nozzle is 75-80m/
s。
7. the gravure plating etching process according to claim 1 that ferric trichloride corrosion is substituted based on chlorination copper corrosion, its
It is characterised by, described copper chloride corrosive liquid corrodes less than 5 to roller needs the 3.5-4.5 seconds, and corroding 5-25 silks to roller needs
The 4.5-5.5 seconds, is needed to roller corrosion 25-35 silks the 5-6 seconds.
8. the gravure plating that ferric trichloride corrosion is substituted based on chlorination copper corrosion according to any one of claim 1 to 7 is rotten
Etching technique, it is characterised in that described Online Monitoring Control System includes being used to detect each material concentration in copper chloride corrosive liquid
Detection sensor, the automatic sample unit for adding each raw material automatically, display and with detection sensor, it is automatic plus
Sample unit, the electric controller of display electrical connection.
9. the gravure plating etching process according to claim 8 that ferric trichloride corrosion is substituted based on chlorination copper corrosion, its
It is characterised by, described detection sensor includes being used to detect the specific gravity sensor of copper chloride concentration in corrosive liquid, for detecting
The salt acid sensor of concentration of hydrochloric acid and the hydrogen peroxide sensor for detecting hydrogen peroxide concentration in corrosive liquid in corrosive liquid；
Described automatic sample unit includes being used to adjust the automatic watering apparatus of copper chloride concentration, for adjusting concentration of hydrochloric acid
Automatic plus hydrochloric acid unit and the automatic plus hydrogen peroxide plant for adjusting hydrogen peroxide concentration.
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| CN201710585745.2A CN107584857A (en) | 2017-07-18 | 2017-07-18 | The gravure plating etching process of ferric trichloride corrosion is substituted based on chlorination copper corrosion |
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| CN201710585745.2A CN107584857A (en) | 2017-07-18 | 2017-07-18 | The gravure plating etching process of ferric trichloride corrosion is substituted based on chlorination copper corrosion |
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| CN108585023A (en) * | 2018-05-03 | 2018-09-28 | 东莞运城制版有限公司 | A kind of unmanned control method in copper chloride corrosive liquid production |
| CN111926334A (en) * | 2020-09-08 | 2020-11-13 | 深圳市志凌伟业光电有限公司 | Regeneration system and regeneration method for acidic copper chloride etching solution |
| CN116200747A (en) * | 2023-05-06 | 2023-06-02 | 汕头市精工东捷制版有限公司 | Spray type high-definition deep corrosion process based on printing equipment plate roller copper layer |
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| GB440736A (en) * | 1934-07-05 | 1936-01-06 | Kevin William Caton Webb | Improvements relating to the production of photo-mechanical printing surfaces |
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| CN108585023A (en) * | 2018-05-03 | 2018-09-28 | 东莞运城制版有限公司 | A kind of unmanned control method in copper chloride corrosive liquid production |
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| CN116200747A (en) * | 2023-05-06 | 2023-06-02 | 汕头市精工东捷制版有限公司 | Spray type high-definition deep corrosion process based on printing equipment plate roller copper layer |
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