CN105331472A - Alkaline electrolytic cleaning agent and cleaning method for electroplated parts - Google Patents
Alkaline electrolytic cleaning agent and cleaning method for electroplated parts Download PDFInfo
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- CN105331472A CN105331472A CN201510803713.6A CN201510803713A CN105331472A CN 105331472 A CN105331472 A CN 105331472A CN 201510803713 A CN201510803713 A CN 201510803713A CN 105331472 A CN105331472 A CN 105331472A
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- electroplated component
- alkaline electrolysis
- electroplated
- solution
- out system
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Abstract
The invention provides an alkaline electrolytic cleaning agent and cleaning method for electroplated parts and relates to an oil and rust remover before electroplating of metal workpieces and a method. The alkaline electrolytic cleaning agent comprises components in percentage by mass as follows: 40% of soda, 15% of sodium metasilicate, 25% of sodium gluconate, 15% of trisodium phosphate and 5% of the nonionic surfactant NP-6. According to a cleaning process, the electroplated parts are subjected to electrolytic cleaning in a solution prepared from the alkaline electrolytic cleaning agent. The alkaline electrolytic cleaning agent and cleaning method for the electroplated parts have the characteristics of good oil and rust removal effect, simplicity and convenience in operation, low preparation cost, high oil and rust removal speed and the like, are suitable for cleaning oil stains and rust on surfaces of steel, copper, brass and zinc parts and have the advantages that lubrication and protection functions are realized, wear of the parts is reduced, and the concentration and the temperature are low when the agent is in use.
Description
Technical field
A kind of electroplated component alkaline electrolysis clean-out system and purging method, relate to the oil-removing rust-removing agent before the plating of a kind of metal works and method.
Background technology
Electroplated component is from upstream manufacturing process, live through the processing of various manufacturing process, therefore, the impurity such as lipid pollutent, mineral oils pollutent, corrosion that total surface stays after remaining different process processing, existing degreasing and rust removal technology mostly proceed step by step, namely eliminate rust after first oil removing, operation is comparatively complicated, and degreasing and rust removal cost is high.
Summary of the invention
Object of the present invention is exactly the deficiency existed for above-mentioned prior art, degreasing and rust removal is effective, simple to operation, preparation cost is low, degreasing and rust removal speed is fast to provide one to have, the electroplated component alkaline electrolysis clean-out system that the wearing and tearing of part are few and purging method.
The object of the invention is to be achieved through the following technical solutions.
A kind of electroplated component alkaline electrolysis clean-out system, is characterized in that the mass percent composition of its alkaline electrolysis clean-out system comprises: soda ash 40%, Starso 15%, Sunmorl N 60S 25%, tertiary sodium phosphate 15%, nonionic surface active agent NP-6 is 5%.
A kind of electroplated component alkaline electrolysis purging method, is characterized in that cleaning process is that electroplated component is carried out electrolytic cleaning in the solution be made into electroplated component alkaline electrolysis clean-out system.
A kind of electroplated component alkaline electrolysis purging method of the present invention, is characterized in that its electrolytic cleaning process, when electroplated component does negative electrode, the strength of solution that electroplated component alkaline electrolysis clean-out system is made into is 35 ~ 65g/L, zero, and temperature 40 ~ 70 DEG C, time 2 ~ 5min, current density 5 ~ 10A/dm
2, plating piece lifting capacity 0.8 ~ 2dm
2/ L.
A kind of electroplated component alkaline electrolysis purging method of the present invention, is characterized in that its electrolytic cleaning process, when electroplated component does anode, the strength of solution that electroplated component alkaline electrolysis clean-out system is made into is 55 ~ 75g/L, temperature 40 ~ 70 DEG C, time 2 ~ 5min, current density 5 ~ 10A/dm
2, plating piece lifting capacity 0.8 ~ 2dm
2/ L.
A kind of electroplated component alkaline electrolysis purging method of the present invention, it is characterized in that its electrolytic cleaning process, electrolytic cell body material is iron and steel.
A kind of electroplated component alkaline electrolysis purging method of the present invention, is characterized in that the detergent concentration detection method of electroplated component alkaline electrolysis detergent solution is as follows:
1., get 10mL working fluid, add deionized water and be diluted to 100mL, add several phenolphthalein indicators.
2., with 1N HCI solution until solution is faded to colourless by redness.
3., calculate: alkaline cleaner concentration (g/L)=titration volumes (mL) × 5.4.
The clear agent of a kind of electroplated component alkaline electrolysis of the present invention, each Component Use is as follows:
1. soda ash: the greasy dirt on cleaning components surface, rusty stain, ensures that solution maintains certain alkalinity ranges in degreasing and rust removal process.
2. Starso: washing assistant, the greasy dirt on cleaning components surface, rusty stain, has the effect of stronger wetting, emulsification and saponification grease, strengthens the alkalescence of solution, play inhibition to part in the corrosion of basic solution.
3. Sunmorl N 60S: washing assistant, the greasy dirt on cleaning components surface, rusty stain, plays inhibition to workpiece in the corrosion of basic solution, makes coating thing and workpiece surface mortise.
4. tertiary sodium phosphate: washing assistant, the inhibiter in clean-out system, the greasy dirt on cleaning components surface, rusty stain, has infiltration and emulsifying effect, can increase the wetting ability of water, have certain emulsifying effect.
5. nonionic surface active agent NP-6: the tensio-active agent not producing ion in aqueous, has excellent emulsification, washing function, stronger to all kinds of greasy dirt cleansing power.
The clear agent of a kind of electroplated component alkaline electrolysis of the present invention, during use, can allocate the concentration of scavenging solution according to the severity of greasy dirt and rusty stain, be generally that clean-out system is mixed with 35 ~ 65g/L scavenging solution to use, and concentration improves can improve cleansing power.
Of the present inventionly provide a kind of electroplated component alkaline electrolysis clean-out system and the purging method with features such as degreasing and rust removal are effective, simple to operation, preparation cost is low, degreasing and rust removal speed is fast; be applicable to greasy dirt and the rust cleaning of cleaning iron and steel, copper, brass and zinc piece surface; there are the wearing and tearing that lubrication protection function decreases part, concentration and temperature low advantage during use.
Embodiment
A kind of electroplated component alkaline electrolysis clean-out system, the mass percent composition of its alkaline electrolysis clean-out system comprises: soda ash 40%, Starso 15%, Sunmorl N 60S 25%, tertiary sodium phosphate 15%, nonionic surface active agent NP-6 is 5%.Cleaning process is that electroplated component is carried out electrolytic cleaning in the solution be made into electroplated component alkaline electrolysis clean-out system.
During operation, part is immersed in alkali lye, pass into direct current and carry out electrolysis treatment, when adopting part to do negative electrode, detergent concentration 35 ~ 65g/L, when part does anode, detergent concentration 55 ~ 75g/L, temperature 40 ~ 70 DEG C, time 2 ~ 5min, current density 5 ~ 10A/dm
2, plating piece lifting capacity 0.8 ~ 2dm
2/ L, cell body and well heater material: iron and steel.
Detergent concentration detection method is as follows:
1., get 10mL working fluid, add deionized water and be diluted to 100mL, add several phenolphthalein indicators.
2., with 1N HCI solution until solution is faded to colourless by redness.
3., calculate: alkaline electrolysis detergent concentration (g/L)=titration volumes (ml) × 5.4.
A kind of electroplated component alkaline electrolysis clean-out system of the present invention, because this alkaline electrolysis clean-out system is a kind of strong basicity powder, avoids eyes and skin contact, wears protective gloves during suggestion operations, eye-protection glasses and protective clothing.
Embodiment 1
According to embodiment alkaline electrolysis clean-out system composition, obtain solution 1L, detergent concentration 45g/L, steel-iron components does negative electrode, and area is about 0.75dm
2, temperature 50 C, current density 6A/dm
2, time 3min, steel-iron components surface and oil contaminant and rusty stain eliminate.
Embodiment 2
According to embodiment alkaline electrolysis clean-out system composition, obtain solution 1L, detergent concentration 60g/L, zinc part does negative electrode, and area is about 1dm
2, temperature 60 C, current density 8A/dm
2, time 4min, steel-iron components surface and oil contaminant and rusty stain eliminate.
Embodiment 3
According to embodiment alkaline electrolysis clean-out system composition, obtain solution 1L, detergent concentration 65g/L, brass part does anode, and area is about 1.5dm
2, temperature 65 DEG C, current density 9A/dm
2, time 5min, brass part surface and oil contaminant and rusty stain eliminate.
Claims (6)
1. an electroplated component alkaline electrolysis clean-out system, is characterized in that the mass percent composition of its alkaline electrolysis clean-out system comprises: soda ash 40%, Starso 15%, Sunmorl N 60S 25%, tertiary sodium phosphate 15%, nonionic surface active agent NP-6 is 5%.
2. an electroplated component alkaline electrolysis purging method, is characterized in that cleaning process is that electroplated component is carried out electrolytic cleaning in the solution be made into electroplated component alkaline electrolysis clean-out system.
3. a kind of electroplated component alkaline electrolysis purging method according to claim 2, it is characterized in that its electrolytic cleaning process, when electroplated component does negative electrode, the strength of solution that electroplated component alkaline electrolysis clean-out system is made into is 35 ~ 65g/L, zero, temperature 40 ~ 70 DEG C, time 2 ~ 5min, current density 5 ~ 10A/dm
2, plating piece lifting capacity 0.8 ~ 2dm
2/ L.
4. a kind of electroplated component alkaline electrolysis purging method according to claim 2, it is characterized in that its electrolytic cleaning process, when electroplated component does anode, the strength of solution that electroplated component alkaline electrolysis clean-out system is made into is 55 ~ 75g/L, temperature 40 ~ 70 DEG C, time 2 ~ 5min, current density 5 ~ 10A/dm
2, plating piece lifting capacity 0.8 ~ 2dm
2/ L.
5. a kind of electroplated component alkaline electrolysis purging method according to claim 2, it is characterized in that its electrolytic cleaning process, electrolytic cell body material is iron and steel.
6. a kind of electroplated component alkaline electrolysis purging method according to claim 2, is characterized in that the detergent concentration detection method of electroplated component alkaline electrolysis detergent solution is as follows:
1., get 10mL working fluid, add deionized water and be diluted to 100mL, add several phenolphthalein indicators;
2., with 1N HCI solution until solution is faded to colourless by redness;
3., calculate: alkaline cleaner concentration (g/L)=titration volumes (mL) × 5.4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510803713.6A CN105331472A (en) | 2015-11-20 | 2015-11-20 | Alkaline electrolytic cleaning agent and cleaning method for electroplated parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510803713.6A CN105331472A (en) | 2015-11-20 | 2015-11-20 | Alkaline electrolytic cleaning agent and cleaning method for electroplated parts |
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|---|---|
| CN105331472A true CN105331472A (en) | 2016-02-17 |
Family
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| CN201510803713.6A Pending CN105331472A (en) | 2015-11-20 | 2015-11-20 | Alkaline electrolytic cleaning agent and cleaning method for electroplated parts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150325A (en) * | 2021-11-13 | 2022-03-08 | 镇江原轼新型材料有限公司 | Low-deplating-rate cleaning agent for high-speed electroplating of brass cutting steel wire |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114150325A (en) * | 2021-11-13 | 2022-03-08 | 镇江原轼新型材料有限公司 | Low-deplating-rate cleaning agent for high-speed electroplating of brass cutting steel wire |
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Application publication date: 20160217 |