CN103540947A - Electroplating base material degreasing agent and preparation method thereof - Google Patents
Electroplating base material degreasing agent and preparation method thereof Download PDFInfo
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- CN103540947A CN103540947A CN201310523615.8A CN201310523615A CN103540947A CN 103540947 A CN103540947 A CN 103540947A CN 201310523615 A CN201310523615 A CN 201310523615A CN 103540947 A CN103540947 A CN 103540947A
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Abstract
The invention discloses an electroplating base material degreasing agent and a preparation method thereof and relates to a degreasing agent, and in particular relates to the technical field of surface pretreatment of plated workpieces. The degreasing agent contains the following substances per liter: 100.0-300.0 grams of phosphoric acid, 2.0-5.0 grams of sodium gluconate, 2.0-5.0 grams of sodium tripolyphosphate, 1.0-4.0 grams of water softener, 0.2-0.5ml of emulsifying agent and the balance of water. The preparation method comprises the steps of dissolving the phosphoric acid, the sodium gluconate, the sodium tripolyphosphate, the water softener and the emulsifying agent in the water at the ratio, fully stirring and dissolving. The degreasing agent disclosed by the invention does not adopt an alkaline solution and has the characteristics of low temperature, low concentration, acidity, little chemical component types, rapidness, cleanliness and high efficiency in degreasing, capability of saving lots of energy and low cost; the degreasing agent is particularly suitable for degreasing neodymium-iron-boron permanent magnet materials.
Description
Technical field
The present invention relates to degreaser, particularly plating workpiece surface preconditioning technique field.
Background technology
Base material is the main body of metal finishing, and the quality of base material and the performance of the finished product are closely related.For preventing that base material is by airborne dioxygen oxidation, matrix surface generally all can have one deck grease to protect.If these not Ex-alls of grease not only can be polluted plating solution when electroplating, make plating solution overbalance and stability, also can make the combination of coating and matrix insecure, make coating occur flaw, as defects such as pin hole, burr, foaming, peelings.Therefore, before plating processing, the grease of substrate surface must clean up.
Common deoiling method has Solvent degreasing, electrochemical deoiling, electrochemical degreasing and ultrasonic wave except wet goods at present, wherein, and pre-treatment multiselect electrochemical deoiling in plating.Electrochemical deoiling is to utilize hot alkaline solution to the saponification of grease and emulsifying effect, the process that piece surface grease is removed.Wherein saponification is removed saponifiable oil, and emulsifying effect is removed not saponifiable oil (as mineral oil, antirust wet goods).Electrochemical deoiling agent is basic solution, and its emulsifying capacity a little less than, it is not thorough that grease cleans, and is the speed that strengthens oil removing, improves deoiling effect, generally adopts higher temperature (90 ℃) and stirring measure.The now alkaline matter of volatilization meeting grievous injury HUMAN HEALTH, and contaminate environment.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of plating substrate degreaser and preparation method thereof, does not select basic solution, has low temperature, lower concentration, acidity, chemical composition kind less, remove grease rapidly, totally, efficiently, method is simple, can save mass energy, lower-cost characteristic.Be particularly useful for the oil removing of Nd-Fe-Bo permanent magnet material.
For solving the problems of the technologies described above, the technical solution used in the present invention is: comprise following material proportioning, every liter of phosphoric acid 100.0～300.0g, Sunmorl N 60S 2.0～5.0g, tripoly phosphate sodium STPP 2.0～5.0g, water-softening chemicals 1.0～4.0g, emulsifying agent 0.2～0.5ml, surplus is water; By said ratio, phosphoric acid, Sunmorl N 60S, tripoly phosphate sodium STPP, water-softening chemicals and emulsifying agent abundant stirring and dissolving soluble in water is made.
Preferably, emulsifying agent is NP-10 or OP-10.
Water-softening chemicals is tertiary sodium phosphate or phosphoric acid five sodium.
Every liter of Sodium dodecylbenzene sulfonate that also contains 1.0～2.0g.
Plating substrate is Nd-Fe-Bo permanent magnet material.
The ratio that plating substrate degreaser is 1: 4～10 according to the volume ratio of plating substrate degreaser and water before using is diluted.
The preparation method of plating substrate degreaser, raw material comprises phosphoric acid, Sunmorl N 60S, tripoly phosphate sodium STPP, water-softening chemicals, emulsifying agent and water, by following proportioning, phosphoric acid, Sunmorl N 60S, tripoly phosphate sodium STPP, water-softening chemicals and emulsifying agent abundant stirring and dissolving soluble in water is made, every liter of phosphoric acid 100.0～300.0g, Sunmorl N 60S 2.0～5.0g, tripoly phosphate sodium STPP 2.0～5.0g, water-softening chemicals 1.0～4.0g, emulsifying agent 0.2～0.5ml, surplus is water.
Preferably, emulsifying agent is NP-10 or OP-10.
Water-softening chemicals is tertiary sodium phosphate or phosphoric acid five sodium.
Every liter of Sodium dodecylbenzene sulfonate that also contains 1.0～2.0g.
The using method of plating substrate degreaser of the present invention is: by the degreaser preparing according to the ratio dilute with water of volume ratio 1: 4～10, keep degreaser between 30-50 ℃, matrix that will oil removing is immersed in this degreaser, when matrix is little and when quantity is more, need wave matrix, make the long-pending fully immersion of its all surfaces, soak and after 3-15 minute, take out matrix and clean up with clear water, Jing San road water cleans, guarantee surface cleaning, after being detained without degreaser, can be for further processing.
In the present invention, use phosphorylated ligand relieving haperacidity degreaser, make grease under acidic conditions, decompose.Phosphoric acid corrosion is little, not volatile, comparatively safe, processes matrix surface, generates the phosphate film of indissoluble at matrix surface, to protect matrix to avoid corrosion.
Sunmorl N 60S is surface cleaning agent, has good good antiscale property ability and de-rust ability, can prevent the precipitation of hydroxide such as iron, aluminium in solution.
Tripolyphosphate sodium water solution, it forms the effect of suspension liquid (similar emulsion), i.e. dissemination in phosphate aqueous solution.Also can make liquid state, solid particle better be dissolved in liquid medium, make solution have solublization simultaneously.
Tertiary sodium phosphate and phosphoric acid five sodium have the effect of demineralized water, and the magnesium in water, calcium form precipitation, demineralized water.
Emulsifying agent NP-10(polyoxyethylene nonylphenol ether) and OP-10(polyoxyethylene octylphenol ether) there is good oil removing performance, and except speed oil fast.
Water can be used tap water or by RO reverse osmosis membrane, prepare the water that in electronic grade water process, RO reverse osmosis membrane is held back with tap water, and this degreaser is less demanding to water quality.
Sodium dodecylbenzene sulfonate has the performances such as decontamination, moistening, emulsification, dispersion, can increase deoiling effect.
The beneficial effect that adopts technique scheme to produce is:
(1) in degreaser of the present invention, chemical composition is five kinds or six kinds, and kind is less, and cost is lower.
(2) degreaser of the present invention removes grease totally, efficiently, and raw material phosphoric acid wherein can generate at matrix surface the phosphate film of indissoluble, to protect matrix to avoid corrosion; Sunmorl N 60S has good good antiscale property ability and de-rust ability; Tripoly phosphate sodium STPP, in phosphate aqueous solution, has dissemination, also can make solution have solublization simultaneously; Tertiary sodium phosphate and phosphoric acid five sodium have the effect of demineralized water; Emulsifying agent NP-10 and OP-10 have good oil removing performance, and it is fast to remove speed oil; Sodium dodecylbenzene sulfonate has the performances such as decontamination, moistening, emulsification, dispersion; Not high to water quality requirement.
(3) in degreaser of the present invention, each component substances concentration is lower, and water dilutes while using, and it is lower that material concentration becomes, and reduced treatment pressure of sewage, reduced environmental pollution.
(4) degreaser of the present invention is acid deoiling agent, with general alkali formula degreaser, compares, and use temperature is reduced to 30-50 ℃ by 90 ℃, and temperature requirement is lower, does not burn hand, can save a large amount of energy, reduces costs.
(5) degreaser of the present invention, processing the matrix grease time is 3-15 minute, except grease is rapid, has improved oil removal efficiency.
(6) degreaser of the present invention, does not produce irritating smell, and corrodibility is lower than general alkali formula degreaser.
(7) degreaser preparation method of the present invention is simple, and cost is low.
Embodiment
Embodiment 1
A degreaser, comprises following material proportioning: every liter of phosphoric acid 100.0g, and Sunmorl N 60S 5.0g, tripoly phosphate sodium STPP 4.0g, water-softening chemicals tertiary sodium phosphate 2.0g, emulsifying agent NP-10 0.2ml, surplus is water.
Its preparation method is: according to said ratio by phosphoric acid, Sunmorl N 60S, tripoly phosphate sodium STPP, water-softening chemicals tertiary sodium phosphate and emulsifying agent NP-10 abundant stirring and dissolving soluble in water.
Embodiment 2
A degreaser, comprises following material proportioning: every liter of phosphoric acid 300.0g, and Sunmorl N 60S 2.0g, tripoly phosphate sodium STPP 2.0g, water-softening chemicals phosphoric acid five sodium 4.0g, emulsifier op-10 0.3ml, surplus is water.
Its preparation method is: according to said ratio by phosphoric acid, Sunmorl N 60S, tripoly phosphate sodium STPP, water-softening chemicals phosphoric acid five sodium and emulsifier op-10 abundant stirring and dissolving soluble in water.
Embodiment 3
A degreaser, comprises following material proportioning: every liter of phosphoric acid 200.0g, and Sunmorl N 60S 3.0g, tripoly phosphate sodium STPP 5.0g, water-softening chemicals phosphoric acid five sodium 1.0g, emulsifying agent NP-10 0.4ml, Sodium dodecylbenzene sulfonate 2.0g, surplus is water.
Its preparation method is: according to said ratio by phosphoric acid, Sunmorl N 60S, tripoly phosphate sodium STPP, water-softening chemicals phosphoric acid five sodium, emulsifying agent NP-10 and Sodium dodecylbenzene sulfonate abundant stirring and dissolving soluble in water.
Embodiment 4
A degreaser, comprises following material proportioning: every liter of phosphoric acid 150.0g, and Sunmorl N 60S 4.0g, tripoly phosphate sodium STPP 3.0g, water-softening chemicals tertiary sodium phosphate 3.0g, emulsifier op-10 0.5ml, Sodium dodecylbenzene sulfonate 1.0g, surplus is water.
Its preparation method is: according to said ratio by phosphoric acid, Sunmorl N 60S, tripoly phosphate sodium STPP, water-softening chemicals tertiary sodium phosphate, emulsifier op-10 and Sodium dodecylbenzene sulfonate abundant stirring and dissolving soluble in water.
Above-mentioned plating substrate Nd-Fe-Bo permanent magnet material.
Using method: the ratio that is 1: 4～10 according to the volume ratio of plating substrate degreaser and water by the plating substrate degreaser preparing is diluted, keep degreaser between 30-50 ℃, matrix that will oil removing is immersed in this degreaser, when matrix is little and when quantity is more, need wave matrix, make the long-pending fully immersion of its all surfaces, soak and after 3-15 minute, take out matrix and clean up with clear water, Jing San road water cleans, guarantee surface cleaning, after being detained without degreaser, can be for further processing.
Use moisture film test method(s) detect above-described embodiment degreaser except grease effect.Moisture film test is carried out according to following steps: by the product washing except after grease, and with after dilute sulphuric acid dipping, spray uniform water smoke, if product surface moisture film can not be continuous, be patch shape, show to also have remaining grease; If product surface can keep evenly continuous moisture film of one deck, show that oil stain removing is clean.
Experimental result: the degreaser through above-described embodiment is carried out to moisture film test except the product after grease, and product surface all can keep evenly continuous moisture film of one deck, shows that grease removed totally.
Claims (10)
1. a plating substrate degreaser, is characterized in that: comprise following material proportioning, every liter of phosphoric acid 100.0～300.0g, Sunmorl N 60S 2.0～5.0g, tripoly phosphate sodium STPP 2.0～5.0g, water-softening chemicals 1.0～4.0g, emulsifying agent 0.2～0.5ml, surplus is water; By said ratio, phosphoric acid, Sunmorl N 60S, tripoly phosphate sodium STPP, water-softening chemicals and emulsifying agent abundant stirring and dissolving soluble in water is made.
2. plating substrate degreaser as claimed in claim 1, is characterized in that: emulsifying agent is NP-10 or OP-10.
3. plating substrate degreaser as claimed in claim 1, is characterized in that: water-softening chemicals is tertiary sodium phosphate or phosphoric acid five sodium.
4. the plating substrate degreaser as described in claim 1,2 or 3, is characterized in that: every liter of Sodium dodecylbenzene sulfonate that also contains 1.0～2.0g.
5. plating substrate degreaser as claimed in claim 1, is characterized in that: plating substrate is Nd-Fe-Bo permanent magnet material.
6. plating substrate degreaser as claimed in claim 1, is characterized in that: the ratio that plating substrate degreaser is 1: 4～10 according to the volume ratio of plating substrate degreaser and water before using is diluted.
7. the preparation method of a plating substrate degreaser as claimed in claim 1, it is characterized in that: raw material comprises phosphoric acid, Sunmorl N 60S, tripoly phosphate sodium STPP, water-softening chemicals, emulsifying agent and water, by following proportioning, phosphoric acid, Sunmorl N 60S, tripoly phosphate sodium STPP, water-softening chemicals and emulsifying agent abundant stirring and dissolving soluble in water is made
Every liter of phosphoric acid 100.0～300.0g, Sunmorl N 60S 2.0～5.0g, tripoly phosphate sodium STPP 2.0～5.0g, water-softening chemicals 1.0～4.0g, emulsifying agent 0.2～0.5ml, surplus is water.
8. the preparation method of plating substrate degreaser as claimed in claim 7, is characterized in that: emulsifying agent is NP-10 or OP-10.
9. the preparation method of plating substrate degreaser as claimed in claim 7, is characterized in that: water-softening chemicals is tertiary sodium phosphate or phosphoric acid five sodium.
10. the preparation method of the plating substrate degreaser as described in claim 7,8 or 9, is characterized in that: every liter of Sodium dodecylbenzene sulfonate that also contains 1.0～2.0g.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106567112A (en) * | 2016-10-28 | 2017-04-19 | 当涂县金龙机械有限公司 | Normal-temperature compounded oil removal adsorbent with high oil removal efficiency for processing before metal plating and preparation method of normal-temperature compounded oil removal adsorbent |
| CN109930187A (en) * | 2019-04-14 | 2019-06-25 | 广州恒荣电子科技有限公司 | Degreaser is used in a kind of plating |
| CN110434120A (en) * | 2019-08-30 | 2019-11-12 | 中国航发动力股份有限公司 | A kind of fuel nozzle carbon cleaning method |
| CN111716254A (en) * | 2019-03-20 | 2020-09-29 | 天津市同鑫泰钢管制造有限公司 | Crack-resistant rust-removing processing technology for long-distance transportation spiral steel pipe |
| CN111965332A (en) * | 2020-07-31 | 2020-11-20 | 东风本田汽车有限公司 | Method for testing matching performance of zirconium salt pretreatment process and vehicle body steel plate oil product |
| CN116075068A (en) * | 2022-12-27 | 2023-05-05 | 南通赛可特电子有限公司 | Cleaning and antioxidation process for preventing copper surface from oxidization based on copper foil of printed circuit board |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567112A (en) * | 2016-10-28 | 2017-04-19 | 当涂县金龙机械有限公司 | Normal-temperature compounded oil removal adsorbent with high oil removal efficiency for processing before metal plating and preparation method of normal-temperature compounded oil removal adsorbent |
| CN111716254A (en) * | 2019-03-20 | 2020-09-29 | 天津市同鑫泰钢管制造有限公司 | Crack-resistant rust-removing processing technology for long-distance transportation spiral steel pipe |
| CN109930187A (en) * | 2019-04-14 | 2019-06-25 | 广州恒荣电子科技有限公司 | Degreaser is used in a kind of plating |
| CN110434120A (en) * | 2019-08-30 | 2019-11-12 | 中国航发动力股份有限公司 | A kind of fuel nozzle carbon cleaning method |
| CN111965332A (en) * | 2020-07-31 | 2020-11-20 | 东风本田汽车有限公司 | Method for testing matching performance of zirconium salt pretreatment process and vehicle body steel plate oil product |
| CN116075068A (en) * | 2022-12-27 | 2023-05-05 | 南通赛可特电子有限公司 | Cleaning and antioxidation process for preventing copper surface from oxidization based on copper foil of printed circuit board |
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| CN103540947B (en) | 2015-10-21 |
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Effective date of registration: 20161221 Address after: 100081 Haidian District Institute of South Road, Beijing, No. 76 Patentee after: Advanced Technology and Materials Co., Ltd. Address before: The Torch Development Zone in Zhuozhou City, 072750 South Street of Hebei city in Baoding Province Patentee before: Zhuozhou safe and sound star Electronics Inc. |
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