CN1182808A - Acidic chemical plating nickel solution and plating method - Google Patents
Acidic chemical plating nickel solution and plating method Download PDFInfo
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- CN1182808A CN1182808A CN 96116096 CN96116096A CN1182808A CN 1182808 A CN1182808 A CN 1182808A CN 96116096 CN96116096 CN 96116096 CN 96116096 A CN96116096 A CN 96116096A CN 1182808 A CN1182808 A CN 1182808A
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Abstract
The present invention relates to an acid chemical nickel-plating solution and ultrasonic catalytic chemical nickel-plating method for metal part surface at room temp .by using said solution. Said chemical nickel-plating solution per litre contains 10-60g of nickel sulfate, 10-60g of sodium hypophosphite, 10-60g of sodium acetate and 1-5mg of additive. Said chemical nickel-plating solution is prepared with distilled water, deionized water or running water, ultrasonic treated for 1-5 min, standed for 10 hr and filtered, then its pH value is regulated 4-7. When plated, the part is degreased and completely cleaned, then respectively ultrasonic treated in hydrochloric acid solution and clear water, and short-time ultrasnoc catalyzed in the chemical nickel-plating solution at room temp. so that it can obtain uniform and compact nickel-phosphorus alloy coat according to the plating speed of 1-15 micrometers/hr.
Description
The present invention relates to a kind of acid chemical plating nickel solution and this solution method to the piece surface plating of materials such as iron and steel.
Piece surface electroless plating to materials such as iron and steel is different from plating, the plating process does not need additional power source, as long as the part that cleans up is immersed in the chemical plating solution, just can spontaneous plating, thereby has a following advantage: the no current point effect, covering power is good, is not subjected to the restriction of electricity capacity.The coating that plates out from chemical nickel-plating solution is generally amorphous phosphorus-nickel alloy coating, hardness height, little, the good corrosion resistance of frictional coefficient, thereby obtained application more and more widely in the mechanical engineering industry as engineering coating.Chemical nickel plating method is divided into two big classes at present:
The first kind: high-temperature acidic chemical nickel plating method.The pH value of plating bath is 4-6, plating under 80-95 ℃ of temperature, plating speed is very fast, can reach per hour more than 20 micron plating speed, coating is the non-crystalline state coating of phosphorus content more than 7, but plating process acid mist is big, coating bath and heating unit must be used inert material such as making such as plastics, enamel, and heat transfer efficiency is low, and bath stability descends under the high temperature, require very tight to the plating bath cleanliness factor, operation easier is big, and especially large-scale steel-iron components heats up slow, the energy consumption height, production efficiency is low, and can not carry out plating to material with low softening point such as plastics etc.;
Second class: room temperature alkaline chemical nickel-plating method.In order to obtain considerable plating speed at low temperatures, the pH value of plating bath must be heightened to 9-10, and in order to prevent to produce the flocculating settling of nickel hydroxide, must add a large amount of complexing agents again with the nickel ion in the complex solution, plating bath can not long-term storage, and the plating bath cost is very high, plating speed is generally per hour about ten microns, although therefore plating temperature is low, also fail to obtain to use in mechanical industry, only be used for electron trade plating functional coating on magnetics.
The object of the present invention is to provide a kind of acid chemical plating nickel solution that is suitable for the room temperature electroless plating, and with this solution at room temperature to the chemical nickel plating method of the piece surface ultrasonically catalyzing plating of materials such as iron and steel.
1. the prescription of acid chemical plating nickel solution of the present invention is: contain in every liter of solution:
Single nickel salt: 10-60 gram,
Inferior sodium phosphate: 10-60 gram,
Sodium acetate: 10-60 gram,
Additive: 1-5 milligram.
Additive in the above-mentioned prescription is one of following pharmaceutical chemicals or more than one mixture: thiocarbamide, oxyethyl group butynediol, heavy metal are as the acetate of lead, tin, cadmium.
2. the compound method of acid chemical plating nickel solution is: dissolve above-mentioned each medicine respectively with a small amount of distilled water, deionized water or tap water earlier, mix then and be diluted to and require concentration, in being the rinse bath of Ultrasonic Cleaners of 20-50KHz, frequency handled 1-5 minute again, at room temperature leave standstill more than 10 hours, filter then, just finished the process for preparation of whole plating bath, the pH value of the chemical nickel-plating solution for preparing is 4-7.
3. with this solution at room temperature be to the plating method on material parts surfaces such as iron and steel:
1., the hydrochloric acid soln of being put into concentration about 15% by the plating part after thorough oil removing cleaned, be to handle 0.1-1 minute in the 20-50KHz ultrasonic field in frequency, put into distilled water or deionized water again, with ultrasonication 0.1-5 minute of 20-50KHz;
2., will be through above-mentioned processing put into chemical nickel-plating solution of the present invention under the normal temperature laboratory immediately by the plating part, the charge capacity of plating bath is 0.1-10 square decimeter/a rise plating bath, use ultrasonic wave catalysis 0.1-5 minute of 20-50KHz again, the catalytic method one of ultrasonic wave is directly to utilize ultrasonic cleaner as coating bath, the 2nd, will put into the ultrasonic cleaner water-bath as the container of coating bath, at this moment piece surface has just begun the autocatalysis nickel process with the growth of the plating of 1-15 micron per hour speed.
The invention has the advantages that: the composition of chemical nickel-plating solution is simple, preparation is convenient, cost is lower, concentration can change in a big way, good stability, but long-term storage after the preparation, the plating process need not be heated, no acid mist is emitted, good work environment, no matter and the part dimension operation is all very convenient, it is low to consume energy, the efficient height, can be in the plating process with the concentrated annex solution of the high pH value of high density instil at any time the pH value of adjusting plating bath and plating bath composition and needn't worry the spontaneous decomposition of plating bath, so just make the electroless plating batch production process become the safety in production process that a continuous uninterrupted need not strict monitoring, by product in plating bath such as orthophosphite etc. build up to the full state that closes.The charge capacity of being plated part in addition in the plating bath is can be subjected to any restriction by the surface-area of plating part in every liter of plating bath, the high temperature plating bath then makes plating bath decompose for 2 square decimeters as surpassing every liter of plating bath when charge capacity is higher easily, or because of plating bath consumes the frequent cooling filtration adjustment composition of too fast needs production efficiency is greatly reduced.When plating bath of the present invention as disposable (promptly once no longer adjust composition and waste liquid abandoned after the plating) when plating bath uses, can make approaching the exhausting of effective constituent in the plating bath in the situation long-time plating of property next time of higher load amount, the plating process need not to carry out process monitoring, if quicken to exhaust process, can impose the processing of heating to plating bath in the plating later stage, because of at this moment reactive ion concentration is thinner, can not decompose or traditional acid high temperature plating technology such as local deposits in the phenomenon that is prone to, so the mode of heating can be various high efficiency direct heating modes, utilize the present invention can obtain best quality circulation ratio effect in this disposable plating mode.Utilize this invention to be used in coating surface functional coatings such as low softening point material such as plastics again at metal parts coating surface engineering coating such as iron and steel.The chemical Ni-plating layer that obtains evenly light, level and smooth fine and close, bonding force is strong, coating is the amorphous phosphorus-nickel alloy of phosphorus content 5-11%, have and the identical performance of high-temperature acidic coating that chemical nickel plating method obtains, also can impose the performance that various follow-up thermal treatment process are improved coating.
Enumerate two embodiment below as further instruction, so that the enforcement of this patent.
Embodiment 1:
Take by weighing medicine by following prescription: single nickel salt 25 grams, inferior sodium phosphate 25 grams, sodium acetate 25 grams, 2 milligrams of plumbic acetates; Earlier above-mentioned medicine is used a small amount of dissolved in distilled water respectively, mixed diluting to 1 liter then, it is that 50 watts, frequency are 36 kilo hertzs ultrasonic cleaning tank water-bath supersound process 3 minutes that the beaker of this solution of splendid attire is put into power, left standstill 24 hours, the muddy part of bottom settlings is leached, and the pH value of the plating bath that is prepared is 5.5.With surface-area is that 3 square decimeters mild steel plate is respectively at alkaline degreasing liquid, thorough ultrasonic oil removing is cleaned in the clear water, the hydrochloric acid soln of putting into 15% concentration again was with same ultrasonic cleaning tank supersound process 0.5 minute, supersound process 0.3 minute in distilled water immediately after the taking-up, put into and be immersed in the good clarification plating bath of top preparation filtration then, the beaker of this solution of splendid attire was placed above-mentioned ultrasonic cleaning tank water-bath ultrasonically catalyzing 0.5 minute, left standstill plating under the room temperature 5 hours, obtaining thickness at the mild steel plate coating surface is 25 microns the slick nickel-phosphorus alloy coating of even compact.
Embodiment 2:
Take by weighing medicine by following prescription: single nickel salt 30 grams, inferior sodium phosphate 15 grams, sodium acetate 40 grams, 2 milligrams of thiocarbamides; Process for preparation is with embodiment 1, and the plating bath after preparing is 1 liter, and the pH value of plating bath is 6.With the single part surface-area be 5 square decimeters a collection of iron and steel plating piece one by one according to the method described in the embodiment 1 clean, activation and catalysis plating, the plating time of each part is 4 hours, continuous drip concentrates annex solution in the plating process, the prescription that concentrates annex solution is, in every liter of annex solution, contain: single nickel salt 300 grams, inferior sodium phosphate 300 grams, transferring pH value with amine water is 8.Prepare after supersound process and leave standstill filtration.The continuous drip speed that should concentrate annex solution in the plating process is 0.6 milliliter of per minute, changed a plating piece in per 4 hours, ultrasonically catalyzing was 0.5 minute when new plating piece was put into plating bath, plating bath still can continue normal use behind 6 parts of plating continuously, 6 of plating parts have all obtained the nickel-phosphorus alloy coating of even compact light, and thickness of coating is 20 microns.
Claims (2)
1, a kind of acid chemical plating nickel solution, it is characterized in that: contain in every liter of this solution: single nickel salt 10-60 gram, inferior sodium phosphate 10-60 gram, sodium acetate 10-60 gram, additive: 1-5 milligram, the composition of additive is one of following medicine or two kinds and two or more mixtures: thiocarbamide, the oxyethyl group butynediol, heavy metal such as lead, tin, the acetate of cadmium, with above-mentioned medicine distilled water, deionized water or tap water dissolve respectively, mixed diluting becomes the solution of pH value for 4-7 then, use the 20-50KHz frequency again ultrasonication 1-5 minute, leave standstill 10 hours after-filtration.
2, a kind of described solution of claim 1 that utilizes is at room temperature to the method for material parts such as iron and steel surfaces plating, it is characterized in that: will after thoroughly oil removing is cleaned, be put into hydrochloric acid soln supersound process 0.1-1 minute of concentration about 15% by the plating part, putting into distilled water or deionized water for ultrasonic then handled 0.1-5 minute, put into the described acid chemical plating nickel solution ultrasonically catalyzing of claim 1 more immediately 0.1-5 minute, more than used ultrasonic frequency be 20-50KHz all, the charge capacity of putting into part in the chemical nickel-plating solution be the 0.1-10 square decimeter/liter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96116096A CN1055138C (en) | 1996-11-20 | 1996-11-20 | Acidic chemical plating nickel solution and plating method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96116096A CN1055138C (en) | 1996-11-20 | 1996-11-20 | Acidic chemical plating nickel solution and plating method |
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| CN1182808A true CN1182808A (en) | 1998-05-27 |
| CN1055138C CN1055138C (en) | 2000-08-02 |
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| CN96116096A Expired - Fee Related CN1055138C (en) | 1996-11-20 | 1996-11-20 | Acidic chemical plating nickel solution and plating method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319191C (en) * | 2005-09-06 | 2007-05-30 | 天津力神电池股份有限公司 | Method for preparing negative pole material of lithium ion cell high-capacity tin composite |
| CN100368595C (en) * | 2004-10-25 | 2008-02-13 | 山东省科学院新材料研究所 | Complex additive for chemical nickel plating |
| CN101942651A (en) * | 2010-09-28 | 2011-01-12 | 蔡乐勤 | Zero-discharge chemical nickel-plating technology |
| CN101189362B (en) * | 2005-10-07 | 2011-03-16 | 日矿金属株式会社 | Electroless nickel plating solution |
| CN103451635A (en) * | 2013-06-24 | 2013-12-18 | 江苏盈科汽车空调有限公司 | Maintenance method for high-wear-resistant nickel-phosphorus alloy chemical plating solution for swash plates of automobile air conditioning compressors |
| CN103451636A (en) * | 2013-06-24 | 2013-12-18 | 江苏盈科汽车空调有限公司 | High-wear-resisting nickel-phosphorus alloy chemical plating solution for swash plate of air condition compressor |
| CN104342733A (en) * | 2014-10-28 | 2015-02-11 | 蚌埠富源电子科技有限责任公司 | Nickel plating method of stainless-steel-base glass sealing element |
| CN104451616A (en) * | 2014-12-02 | 2015-03-25 | 天津航空机电有限公司 | Chemical nickel plating method for 4Cr13 stainless steel |
| CN106381483A (en) * | 2016-09-15 | 2017-02-08 | 池明星 | Nickel deposition technology |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038841A (en) * | 1988-06-18 | 1990-01-17 | 黑龙江省机械工业研究所 | Sub-zero treatment and chemical plating nickel-phosphorus-rare-earth process |
| CN1029325C (en) * | 1993-01-03 | 1995-07-12 | 孙克宁 | Oil pipe with nickel-phosphorus alloy anti-corrosion coating and its producing method |
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1996
- 1996-11-20 CN CN96116096A patent/CN1055138C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100368595C (en) * | 2004-10-25 | 2008-02-13 | 山东省科学院新材料研究所 | Complex additive for chemical nickel plating |
| CN1319191C (en) * | 2005-09-06 | 2007-05-30 | 天津力神电池股份有限公司 | Method for preparing negative pole material of lithium ion cell high-capacity tin composite |
| CN101189362B (en) * | 2005-10-07 | 2011-03-16 | 日矿金属株式会社 | Electroless nickel plating solution |
| CN101942651A (en) * | 2010-09-28 | 2011-01-12 | 蔡乐勤 | Zero-discharge chemical nickel-plating technology |
| CN101942651B (en) * | 2010-09-28 | 2012-07-25 | 蔡乐勤 | Zero-discharge chemical nickel-plating technology |
| CN103451635A (en) * | 2013-06-24 | 2013-12-18 | 江苏盈科汽车空调有限公司 | Maintenance method for high-wear-resistant nickel-phosphorus alloy chemical plating solution for swash plates of automobile air conditioning compressors |
| CN103451636A (en) * | 2013-06-24 | 2013-12-18 | 江苏盈科汽车空调有限公司 | High-wear-resisting nickel-phosphorus alloy chemical plating solution for swash plate of air condition compressor |
| CN103451635B (en) * | 2013-06-24 | 2015-08-19 | 江苏盈科汽车空调有限公司 | A kind of maintaining method of car air conditioning compressor slanting plate high wear-resistant nickel phosphorus alloy chemical plating fluid |
| CN103451636B (en) * | 2013-06-24 | 2015-12-23 | 江苏盈科汽车空调有限公司 | A kind of nickel-phosphorus alloy chemical plating fluid for air-conditioning compressor swashplate high abrasion |
| CN104342733A (en) * | 2014-10-28 | 2015-02-11 | 蚌埠富源电子科技有限责任公司 | Nickel plating method of stainless-steel-base glass sealing element |
| CN104451616A (en) * | 2014-12-02 | 2015-03-25 | 天津航空机电有限公司 | Chemical nickel plating method for 4Cr13 stainless steel |
| CN106381483A (en) * | 2016-09-15 | 2017-02-08 | 池明星 | Nickel deposition technology |
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| CN1055138C (en) | 2000-08-02 |
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