CN104451791A - Novel environment-friendly alloy catalytic liquid and preparation method thereof - Google Patents
Novel environment-friendly alloy catalytic liquid and preparation method thereof Download PDFInfo
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- CN104451791A CN104451791A CN201410682820.3A CN201410682820A CN104451791A CN 104451791 A CN104451791 A CN 104451791A CN 201410682820 A CN201410682820 A CN 201410682820A CN 104451791 A CN104451791 A CN 104451791A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
Abstract
The invention discloses a novel environment-friendly alloy catalytic liquid and a preparation method thereof and belongs to the technical field of alloy catalytic liquid. The catalytic liquid is mainly prepared from the following raw materials in percentage by weight: 1 to 8 percent of nickel sulfate, 1 to 8 percent of sodium hypophosphite, 0.2 to 2 percent of sodium citrate, 0.2 to 2 percent of 2-hydracrylic acid, 0.5 to 3 percent of acetic acid, 0.5 to 5 percent of sodium acetate, 0.06 to 0.5 percent of hydrazine sulfate, 0.0001 to 0.0005 percent of sulfur flash powder, 2 to 12 percent of ammonia water, 0.5 to 3 percent of sulfuric acid and 55 to 90 percent of water. The method comprises the following steps: (1) weighing all raw materials; (2) sequentially and uniformly stirring all raw materials at normal temperature to obtain a semi-finished product of mixed liquid; (3) regulating the PH value to be 4.5-5.2 and uniformly stirring to obtain the catalytic liquid. The invention aims to provide the novel environment-friendly alloy catalytic liquid which is reasonable in formula, high in catalyzing speed, stable in quality and high in cyclic utilization rate; the novel environment-friendly alloy catalytic liquid is used for replacing electroplating.
Description
Technical field
The present invention relates to a kind of catalytic liquid, more particularly, particularly relate to a kind of novel environment friendly alloy catalyst liquid.The present invention also relates to the preparation method of this catalytic liquid simultaneously.
Background technology
Traditional electroplating technology, need aborning to use direct current, energy consumption is large, and facility investment is large, and cost is high.The waste water of plating not only pollutes ecotope, and the physical and mental health of harm people.Therefore, the catalytic liquid technology for replacing plating is arisen at the historic moment.But still there is the problem that cost is higher, plating speed is comparatively slow, quality is unstable and there is pollution in existing catalytic liquid technique.
Summary of the invention
The object of the invention is to for above-mentioned the deficiencies in the prior art, provide a kind of and fill a prescription rationally, fast fast, the steady quality of catalysis and the high a kind of novel environment friendly alloy catalyst liquid of cyclic utilization rate.
Last technical scheme of the present invention is achieved in that a kind of novel environment friendly alloy catalyst liquid, and this catalytic liquid forms primarily of the preparation of raw material of following weight per-cent: single nickel salt 1 ~ 8%, inferior sodium phosphate 1 ~ 8%, Trisodium Citrate 0.2 ~ 2%, second-hydroxy-propionic acid 0.2 ~ 2%, acetic acid 0.5 ~ 3%, sodium acetate 0.5 ~ 5%, hydrazonium sulfate 0.06 ~ 0.5%, sulphur light powder 0.0001 ~ 0.0005%, ammoniacal liquor 2 ~ 12%, sulfuric acid 0.5 ~ 3%, water 55 ~ 90%.
In above-mentioned a kind of novel environment friendly alloy catalyst liquid, this catalytic liquid forms primarily of the preparation of raw material of following weight per-cent: single nickel salt 2 ~ 6%, inferior sodium phosphate 2 ~ 6%, Trisodium Citrate 0.5 ~ 1%, second-hydroxy-propionic acid 0.5 ~ 1%, acetic acid 1 ~ 2%, sodium acetate 1 ~ 3%, hydrazonium sulfate 0.1 ~ 0.2%, sulphur light powder 0.0002 ~ 0.0003%, ammoniacal liquor 5 ~ 10%, sulfuric acid 1 ~ 2%, water 60 ~ 80%.
In above-mentioned a kind of novel environment friendly alloy catalyst liquid, this catalytic liquid also comprises the thiocarbamide that weight percent is 0.0006 ~ 0.001%.
After of the present invention, a technical scheme is achieved in that a kind of preparation method of novel environment friendly alloy catalyst liquid, comprises the steps: that (1) measures each raw material according to raw material weight per-cent, for subsequent use; (2) sequentially single nickel salt, inferior sodium phosphate, Trisodium Citrate, second-hydroxy-propionic acid, acetic acid, sodium acetate, hydrazonium sulfate, sulphur light powder and water are added in container, under normal temperature, be stirred into mixed solution work in-process; (3) ammoniacal liquor and sulfuric acid are added in mixed solution work in-process, regulate pH value to 4.5-5.2, be stirred into catalytic liquid.
After the present invention adopts above-mentioned formula and technique preparation, compared with prior art, there is following advantage:
(1) erosion resistance is strong: the metallic surface after this art breading is non-crystalline coating, and erosion resistance is excellent especially, tests on year-on-year basis through sulfuric acid, hydrochloric acid, caustic soda, salt solution, and its erosion rate is lower than Cr18Ni9 stainless steel.
(2) wear resistance is good: because the surface after catalytic treatment is non-crystalline state, is namely in basic flat state, has self lubricity.Therefore, coefficient of friction is little, and Abherent is good, and wear resisting property is high, and under lubrication circumstances, alternative hard chrome uses.
(3) glossiness is high: the plating piece surface gloss after catalysis is that LZ or 8-10 △ can match in excellence or beauty with Stainless Steel Products, in white bright stainless steel color.
(4) surface hardness is high: after adopting the application's catalytic liquid electroplating processes, metal skin hardness can be enhanced about more than once, and can reach 570HV at iron and steel and copper surface.
(5) bonding strength is large: adopt the alloy layer after the application catalytic liquid electroplating processes and metal substrate bonding strength to increase, generally under 350-400Mpa condition non-scale, do not come off, bubble-free, can 102-241Mpa be reached with the bonding strength of aluminium.
(6) imitative type is good: at wedge angle or edge projection, does not excessively significantly thicken, and namely has well imitative type, does not need ground finish, the thickness of settled layer and uniform ingredients after plating.
(7) Technology high-adaptability is strong: the internal surface in blind hole, deep hole, pipe fitting, turning, gap can obtain homogeneous coating, so no matter how complicated product structure has, all without plating leakage part.
(8) low resistance, weldability is good.
(9) high temperature resistant: this alloy catalytic layer fusing point is 850-890 degree.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, but do not form any limitation of the invention.
A kind of novel environment friendly alloy catalyst liquid of the present invention, this catalytic liquid forms primarily of the preparation of raw material of following weight per-cent: single nickel salt 1 ~ 8%, inferior sodium phosphate 1 ~ 8%, Trisodium Citrate 0.2 ~ 2%, second-hydroxy-propionic acid 0.2 ~ 2%, acetic acid 0.5 ~ 3%, sodium acetate 0.5 ~ 5%, hydrazonium sulfate 0.06 ~ 0.5%, sulphur light powder 0.0001 ~ 0.0005%, ammoniacal liquor 2 ~ 12%, sulfuric acid 0.5 ~ 3%, water 55 ~ 90%.
Preferably, this catalytic liquid forms primarily of the preparation of raw material of following weight per-cent: single nickel salt 2 ~ 6%, inferior sodium phosphate 2 ~ 6%, Trisodium Citrate 0.5 ~ 1%, second-hydroxy-propionic acid 0.5 ~ 1%, acetic acid 1 ~ 2%, sodium acetate 1 ~ 3%, hydrazonium sulfate 0.1 ~ 0.2%, sulphur light powder 0.0002 ~ 0.0003%, ammoniacal liquor 5 ~ 10%, sulfuric acid 1 ~ 2%, water 60 ~ 80%.
Further, this catalytic liquid also comprises the thiocarbamide that weight percent is 0.0006 ~ 0.001%.Thiocarbamide is as auxiliary stablizer and buffer reagent, and the smooth finish of product after plating can be made better, and product corrosion resistance nature and impact resistance increase simultaneously significantly improves.
The preparation method of a kind of novel environment friendly alloy catalyst liquid of the present invention, comprises the steps: that (1) measures each raw material according to raw material weight per-cent, for subsequent use; (2) sequentially single nickel salt, inferior sodium phosphate, Trisodium Citrate, second-hydroxy-propionic acid, acetic acid, sodium acetate, hydrazonium sulfate, sulphur light powder and water are added in container, under normal temperature, be stirred into mixed solution work in-process; (3) ammoniacal liquor and sulfuric acid are added in mixed solution work in-process, regulate pH value to 4.5-5.2, be stirred into catalytic liquid.
Will first through pre-treatment before plating piece plating, the greasy dirt on removing surface and oxide compound, then sequentially carry out washing → acid-wash activation → washing → 80 ~ 90 DEG C alloy catalyst liquid immersion treatment.Catalytic liquid soak time is 20 ~ 30 minutes; Average plating speed: 12-20um/h.No matter the present invention is not by the restriction of distribution of current. how complicated the geometrical shape of part is, can obtain evenly, fine and close, hole is few. and hardness is higher. and the nickel-phosphorus alloy coating of light, has the nonmetal plating of good chemical property and physicals.
Experimental example
Prepare catalytic liquid by above-mentioned formula and preparation method, test on year-on-year basis through sulfuric acid, hydrochloric acid, caustic soda, salt solution, its erosion rate is lower than Cr18Ni9 stainless steel.Specifically see the following form:
Table 1 comparison between corrosion table
Prepare catalytic liquid by above-mentioned formula and preparation method, electroplate five samples with conventional plating mode, then carry out corrosion test, result is as following table:
Table 2 corrosion speed contrast table
Prepare catalytic liquid by above-mentioned formula and preparation method, various material carries out catalysis plating, various material hardness change is as following table:
Table 3 hardness test table
After this technical finesse, metal skin hardness can be enhanced about more than once, and can reach 570HV at iron and steel and copper surface.
Above illustrated embodiment is better embodiment of the present invention, only be used for conveniently the present invention being described, not any pro forma restriction is done to the present invention, have in any art and usually know the knowledgeable, if do not depart from the present invention carry in the scope of technical characteristic, utilize the Equivalent embodiments that the done local of disclosed technology contents is changed or modified, and do not depart from technical characteristic content of the present invention, all still belong in the scope of the technology of the present invention feature.
Claims (4)
1. a novel environment friendly alloy catalyst liquid, it is characterized in that, this catalytic liquid forms primarily of the preparation of raw material of following weight per-cent: single nickel salt 1 ~ 8%, inferior sodium phosphate 1 ~ 8%, Trisodium Citrate 0.2 ~ 2%, second-hydroxy-propionic acid 0.2 ~ 2%, acetic acid 0.5 ~ 3%, sodium acetate 0.5 ~ 5%, hydrazonium sulfate 0.06 ~ 0.5%, sulphur light powder 0.0001 ~ 0.0005%, ammoniacal liquor 2 ~ 12%, sulfuric acid 0.5 ~ 3%, water 55 ~ 90%.
2. a kind of novel environment friendly alloy catalyst liquid according to claim 1, it is characterized in that, this catalytic liquid forms primarily of the preparation of raw material of following weight per-cent: single nickel salt 2 ~ 6%, inferior sodium phosphate 2 ~ 6%, Trisodium Citrate 0.5 ~ 1%, second-hydroxy-propionic acid 0.5 ~ 1%, acetic acid 1 ~ 2%, sodium acetate 1 ~ 3%, hydrazonium sulfate 0.1 ~ 0.2%, sulphur light powder 0.0002 ~ 0.0003%, ammoniacal liquor 5 ~ 10%, sulfuric acid 1 ~ 2%, water 60 ~ 80%.
3. a kind of novel environment friendly alloy catalyst liquid according to claim 1 and 2, is characterized in that, this catalytic liquid also comprises the thiocarbamide that weight percent is 0.0006 ~ 0.001%.
4. prepare a method for above-mentioned arbitrary novel environment friendly alloy catalyst liquid, it is characterized in that, comprise the steps: that (1) measures each raw material according to raw material weight per-cent, for subsequent use; (2) sequentially single nickel salt, inferior sodium phosphate, Trisodium Citrate, second-hydroxy-propionic acid, acetic acid, sodium acetate, hydrazonium sulfate, sulphur light powder and water are added in container, under normal temperature, be stirred into mixed solution work in-process; (3) ammoniacal liquor and sulfuric acid are added in mixed solution work in-process, regulate pH value to 4.5-5.2, be stirred into catalytic liquid.
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| CN201410682820.3A CN104451791A (en) | 2014-11-21 | 2014-11-21 | Novel environment-friendly alloy catalytic liquid and preparation method thereof |
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| CN201410682820.3A CN104451791A (en) | 2014-11-21 | 2014-11-21 | Novel environment-friendly alloy catalytic liquid and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107177838A (en) * | 2017-06-14 | 2017-09-19 | 合肥易美特建材有限公司 | A kind of environmentally friendly alloy catalyst liquid and its alloy catalytic technique |
| CN107236941A (en) * | 2017-05-25 | 2017-10-10 | 河南省中原华工激光工程有限公司 | A kind of anti-processing of cavitation pitting cylinder-barrel surface catalysis alloying liquid and its surface treatment method |
Citations (2)
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| CN102277565A (en) * | 2011-06-09 | 2011-12-14 | 李诗典 | New environment-friendly type special alloy catalysis liquid for surfaces |
| CN103014783A (en) * | 2012-12-17 | 2013-04-03 | 北京中科创新科技发展中心 | Environment-friendly surface alloyed catalytic liquid, preparation method and application method thereof |
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- 2014-11-21 CN CN201410682820.3A patent/CN104451791A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277565A (en) * | 2011-06-09 | 2011-12-14 | 李诗典 | New environment-friendly type special alloy catalysis liquid for surfaces |
| CN103014783A (en) * | 2012-12-17 | 2013-04-03 | 北京中科创新科技发展中心 | Environment-friendly surface alloyed catalytic liquid, preparation method and application method thereof |
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| 张允诚等: "《电镀手册》", 31 May 2008, 国防工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107236941A (en) * | 2017-05-25 | 2017-10-10 | 河南省中原华工激光工程有限公司 | A kind of anti-processing of cavitation pitting cylinder-barrel surface catalysis alloying liquid and its surface treatment method |
| CN107177838A (en) * | 2017-06-14 | 2017-09-19 | 合肥易美特建材有限公司 | A kind of environmentally friendly alloy catalyst liquid and its alloy catalytic technique |
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