CN100476028C - Low temperature chemcial plating nickel solution - Google Patents
Low temperature chemcial plating nickel solution Download PDFInfo
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- CN100476028C CN100476028C CNB200610046556XA CN200610046556A CN100476028C CN 100476028 C CN100476028 C CN 100476028C CN B200610046556X A CNB200610046556X A CN B200610046556XA CN 200610046556 A CN200610046556 A CN 200610046556A CN 100476028 C CN100476028 C CN 100476028C
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Abstract
The low temperature chemical nickel plating solution is compounded with nickel sulfate in 20-35 g/L, sodium hypophosphorate 25-45 g/L, sodium citrate 25-45 g/L, ammonium chloride 25-45g/L, triethanolamine 5-20 ml/L, amine oxide 5-30 ml/L, sodium dodecyl sulfonate 1-5 g/L, thiourea 1-8 mg/L, except water and sodium hydroxide in the amount of regulating pH 8-12. The low temperature chemical nickel plating solution has high stability, capacity of forming homogeneous bright coating, wide plating temperature range, capacity of plating at low temperature and other features, and is suitable for surface processing of metals and non-metals.
Description
Technical field:
The present invention relates to a kind of chemical nickel-plating solution, particularly a kind of low temperature chemcial plating nickel solution belongs to material surface chemical treatment applied technical field.
Background technology:
Electroless plating is compared with electroplating technology, and to have coating even, and no limbus effect is fit to surperficial platings such as complex-shaped workpieces, cavity spare, deep hole spare, pipe fitting inner wall.It is simple to have technology, does not need power supply, saves the energy, by pre-treatments such as sensitization, activation, can form advantages such as conductive layer at non-metal material surface.Be widely used in fields such as aerospace industry, automotive industry, robot calculator, foodstuffs industry, chemical industry, plastics, printings.
Nickel chemical plating technology mainly adopts acid high temperature plating bath at present, and it is big to have energy consumption, easily makes workpiece deformation, the shortcoming of bath stability difference.
Summary of the invention:
The objective of the invention is at above-mentioned the deficiencies in the prior art, and provide a kind of bath stability, coating evenly and pollute little low temperature chemcial plating nickel solution.Described low temperature chemcial plating nickel solution is to be formed by following proportioning raw materials: single nickel salt 20-35 grams per liter; Inferior sodium phosphate 25-45 grams per liter; Trisodium Citrate 25-45 grams per liter; Ammonium chloride 25-45 grams per liter; Trolamine 5-20 milliliter/liter; Amine oxide 5-30 milliliter/liter; Sodium laurylsulfonate 1-5 grams per liter; Thiocarbamide 1-8 mg/litre adds water to 1 liter then, and adds an amount of sodium hydroxide, adjusts the pH value to 8-12.
The preparation method:
(1) takes by weighing single nickel salt, inferior sodium phosphate, Trisodium Citrate, ammonium chloride, trolamine, amine oxide, sodium laurylsulfonate, thiocarbamide, the sodium hydroxide of metering, with little water it is dissolved respectively respectively.
(2) the dissolved nickel sulfate solution is poured in the ammonium chloride solution mixed.
(3) again with Trisodium Citrate, trolamine,, amine oxide, sodium laurylsulfonate, thiourea solution pour into successively in the mixing solutions of above-mentioned steps 2 gained, and it mixed.
(4) add the ortho phosphorous acid sodium solution, mix.
(5) with distilled water with the solution dilution of step 4 gained to volume calculated, and regulate plating bath to required pH value with sodium hydroxide solution.
Using the present invention to carry out surface treatment mainly comprises the following steps:
(1) with workpiece routinely pre-electroplating treatment carry out oil removing, processing of rust removing; Non-metallic material will be carried out pre-treatments such as alligatoring, sensitization, activation.
(2) workpiece that disposes is immersed in the plating bath, trigger with active metals such as iron for the metal needs more stable than nickel.
The present invention has following advantage:
1, this plating bath gets final product plating at normal temperatures, all can obtain satisfied coating in 20 ℃～70 ℃ wide temperature range.
2, bath stability, coating is even, bright.This plating bath adopts amine oxide, ammonium chloride and trolamine as complexing agent, bath stability; Thiocarbamide can obtain the evenly coating of light as stablizer under comprehensive action behind the interpolation sodium laurylsulfonate.
3, pollution is little.Do not have other beavy metal impurities in this plating bath, regulate the pH value with sodium hydroxide, no ammonia pollutes.
The present invention is owing to have bath stability, coating is even, bright, the plating temperature scope is wide, can the low temperature plating etc. characteristics, be fit to metal and nonmetallic surface working, yielding when especially being suitable for to high temperature, the demanding workpiece of workpiece accuracy is carried out surfacecti proteon and ornamental processing.
Embodiment:
Embodiment one
One, the prescription of chemical nickel-plating liquid
Single nickel salt 28 grams per liters
Inferior sodium phosphate 30 grams per liters
Trisodium Citrate 30 grams per liters
Ammonium chloride 25 grams per liters
5 milliliters/liter of trolamines
10 milliliters/liter of amine oxides
Sodium laurylsulfonate 2 grams per liters
Thiocarbamide 1 mg/litre
Sodium hydroxide is an amount of
Add water and add to 1 liter
pH 11
The temperature room temperature
Two, the preparation of plating bath:
(1) takes by weighing single nickel salt, inferior sodium phosphate, Trisodium Citrate, ammonium chloride, trolamine, amine oxide, sodium laurylsulfonate, thiocarbamide, the sodium hydroxide of metering, with little water it is dissolved respectively respectively.
(2) the dissolved nickel sulfate solution is poured in the ammonium chloride solution mixed.
(3) again with Trisodium Citrate, trolamine,, amine oxide, sodium laurylsulfonate, thiourea solution pour into successively in the mixing solutions of above-mentioned steps 2 gained, and it mixed.
(4) add the ortho phosphorous acid sodium solution, mix.
(5) with distilled water with the solution dilution of step 4 gained to volume calculated, and regulate bath pH value to 11 with sodium hydroxide solution.
Three, chemical nickel plating
(1) with copper sheet routinely pre-electroplating treatment carry out oil removing, processing of rust removing.
(2) copper sheet that will dispose immerses in the plating bath, triggers with iron wire.
Embodiment two
One, the prescription of chemical nickel-plating liquid
Single nickel salt 30 grams per liters
Inferior sodium phosphate 30 grams per liters
Trisodium Citrate 25 grams per liters
Ammonium chloride 30 grams per liters
10 milliliters/liter of trolamines
15 milliliters/liter of amine oxides
Sodium laurylsulfonate 2 grams per liters
Thiocarbamide 2 mg/litre
Sodium hydroxide is an amount of
Add water and add to 1 liter
pH 11.8
The temperature room temperature
Two, the preparation of plating bath:
(1) takes by weighing single nickel salt, inferior sodium phosphate, Trisodium Citrate, ammonium chloride, trolamine, amine oxide, sodium laurylsulfonate, thiocarbamide, the sodium hydroxide of metering, with little water it is dissolved respectively respectively.
(2) the dissolved nickel sulfate solution is poured in the ammonium chloride solution mixed.
(3) again with Trisodium Citrate, trolamine,, amine oxide, sodium laurylsulfonate, thiourea solution pour into successively in the mixing solutions of above-mentioned steps 2 gained, and it mixed.
(4) add the ortho phosphorous acid sodium solution, mix.
(5) with distilled water with the solution dilution of step 4 gained to volume calculated, and regulate bath pH value to 11.8 with sodium hydroxide solution.
Three, chemical nickel plating
(1) with copper sheet routinely pre-electroplating treatment carry out oil removing, processing of rust removing.
(2) copper sheet that will dispose immerses in the plating bath, triggers with iron wire.
Embodiment three
One, the prescription of chemical nickel-plating liquid
Single nickel salt 35 grams per liters
Inferior sodium phosphate 40 grams per liters
Trisodium Citrate 30 grams per liters
Ammonium chloride 20 grams per liters
15 milliliters/liter of trolamines
25 milliliters/liter of amine oxides
Sodium laurylsulfonate 3 grams per liters
Thiocarbamide 1 mg/litre
Sodium hydroxide is an amount of
Add water and add to 1 liter
pH 11.5
40 ℃ of temperature
Two, the preparation of plating bath:
(1) takes by weighing single nickel salt, inferior sodium phosphate, Trisodium Citrate, ammonium chloride, trolamine, amine oxide, sodium laurylsulfonate, thiocarbamide, the sodium hydroxide of metering, with little water it is dissolved respectively respectively.
(2) the dissolved nickel sulfate solution is poured in the ammonium chloride solution mixed.
(3) again with Trisodium Citrate, trolamine,, amine oxide, sodium laurylsulfonate, thiourea solution pour into successively in the mixing solutions of above-mentioned steps 2 gained, and it mixed.
(4) add the ortho phosphorous acid sodium solution, mix.
(5) with distilled water with the solution dilution of step 4 gained to volume calculated, and regulate bath pH value to 11.5 with sodium hydroxide solution.
(6) be heated to 40 ℃
Three, chemical nickel plating
(1) with iron plate routinely pre-electroplating treatment carry out oil removing, processing of rust removing.
(2) iron plate that disposes is immersed in the plating bath.
Claims (5)
1, a kind of low temperature chemcial plating nickel solution is characterized in that it is to be formed by following preparation of raw material:
Single nickel salt 20-35 grams per liter
Inferior sodium phosphate 25-45 grams per liter
Trisodium Citrate 25-45 grams per liter
Ammonium chloride 25-45 grams per liter
Trolamine 5-20 milliliter/liter
Amine oxide 5-30 milliliter/liter
Sodium laurylsulfonate 1-5 grams per liter
Thiocarbamide 1-8 mg/litre
Add water and add to 1 liter
Sodium hydroxide is an amount of
PH value 8-12.
2, low temperature chemcial plating nickel solution according to claim 1 is characterized in that the concrete proportioning of raw material:
Single nickel salt 28 grams per liters
Inferior sodium phosphate 30 grams per liters
Trisodium Citrate 30 grams per liters
Ammonium chloride 25 grams per liters
5 milliliters/liter of trolamines
10 milliliters/liter of amine oxides
Sodium laurylsulfonate 2 grams per liters
Thiocarbamide 1 mg/litre
Add water and add to 1 liter
Sodium hydroxide is an amount of
PH value 11.
3, low temperature chemcial plating nickel solution according to claim 1 is characterized in that the concrete proportioning of raw material:
Single nickel salt 30 grams per liters
Inferior sodium phosphate 30 grams per liters
Trisodium Citrate 25 grams per liters
Ammonium chloride 30 grams per liters
10 milliliters/liter of trolamines
15 milliliters/liter of amine oxides
Sodium laurylsulfonate 2 grams per liters
Thiocarbamide 2 mg/litre
Add water and add to 1 liter
Sodium hydroxide is an amount of
PH value 11.8.
4, low temperature chemcial plating nickel solution according to claim 1 is characterized in that the concrete proportioning of raw material:
Single nickel salt 35 grams per liters
Inferior sodium phosphate 40 grams per liters
Trisodium Citrate 30 grams per liters
Ammonium chloride 20 grams per liters
15 milliliters/liter of trolamines
25 milliliters/liter of amine oxides
Sodium laurylsulfonate 3 grams per liters
Thiocarbamide 3 mg/litre
Add water and add to 1 liter
Sodium hydroxide is an amount of
PH value 11.5
Room temperature is 40 ℃.
5, preparation is characterized in that as the method for claim 1 or 2 or 3 or 4 described low temperature chemcial plating nickel solutions it is to carry out according to following processing step:
(1) take by weighing the single nickel salt of metering, inferior sodium phosphate, Trisodium Citrate, ammonium chloride, trolamine, amine oxide, sodium laurylsulfonate, thiocarbamide, sodium hydroxide dissolves it respectively with little water respectively;
(2) the dissolved nickel sulfate solution is poured in the ammonium chloride solution mixed;
(3) again with Trisodium Citrate, trolamine, amine oxide, sodium laurylsulfonate, thiourea solution are poured in the mixing solutions of above-mentioned steps (2) gained successively, and it is mixed;
(4) add the ortho phosphorous acid sodium solution, mix;
(5) with distilled water with the solution dilution of step (4) gained to volume calculated, and regulate plating bath to required pH value with sodium hydroxide solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB200610046556XA CN100476028C (en) | 2006-05-12 | 2006-05-12 | Low temperature chemcial plating nickel solution |
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| CNB200610046556XA CN100476028C (en) | 2006-05-12 | 2006-05-12 | Low temperature chemcial plating nickel solution |
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| CN1847453A CN1847453A (en) | 2006-10-18 |
| CN100476028C true CN100476028C (en) | 2009-04-08 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148757B (en) * | 2007-10-15 | 2011-04-27 | 北京林业大学 | Composition of surface chemistry plating liquid and preparation method for wooden electromagnetic screen material |
| CN101831642A (en) * | 2010-04-13 | 2010-09-15 | 长沙力元新材料有限责任公司 | Application method of alkali electroless nickel/cobalt-plating solution |
| CN102127759B (en) * | 2011-03-25 | 2013-01-23 | 浙江工业大学 | Method for chemically plating cobalt on surface of graphite matrix |
| CN102409321A (en) * | 2011-11-09 | 2012-04-11 | 程绍鹏 | High-temperature-resistant corrosion-resistant pressure-resistant self-lubricating chemical complex liquid and preparation and plating method thereof |
| CN104294243B (en) * | 2014-10-20 | 2016-09-21 | 江苏青阳管业有限公司 | A kind of aluminum pipe nickel plating process |
| CN105177535B (en) * | 2015-09-10 | 2018-07-10 | 安捷利（番禺）电子实业有限公司 | A kind of manufacturing method of resistance copper foil |
| CN113079628A (en) * | 2021-03-30 | 2021-07-06 | 东莞市科佳电路有限公司 | Processing method of resistance copper foil material for mobile phone vibration motor PCB |
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Non-Patent Citations (4)
| Title |
|---|
| 低温碱性化学镀镍. 饶厚曾，李国华，范彤利.电镀与精饰，第19卷第3期. 1997 |
| 低温碱性化学镀镍. 饶厚曾，李国华，范彤利.电镀与精饰，第19卷第3期. 1997 * |
| 化学镀镍配方优化及质量控制. 唐春华.腐蚀与防护，第23卷第6期. 2002 |
| 化学镀镍配方优化及质量控制. 唐春华.腐蚀与防护，第23卷第6期. 2002 * |
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