CN101353789B - Ni-Fe-Nd-P plating bath, glass fibre Ni-Fe-Nd-P alloy and preparation thereof - Google Patents

Abstract

The invention relates to a Ni-Fe-Nd-P bath and a glass fiber Ni-Fe-Nd-P alloy and a preparation method thereof, which is characterized in that a formula of the bath comprises nickel sulfate, sodium hypophosphite, ferrous sulfate, neodymium nitrate, sodium citrate, malic acid, butane diacid, ammonium sulfate, distilled water, thiourea, urea and concentrated hydrochloric acid; the preparation method comprises the following steps: main salts, namely, the nickel sulfate and the ferrous sulfate are put in the distilled water, added with the neodymium nitrate, the distilled water and the concentrated hydrochloric acid after dissolution, and then added with sodium citrate, malic acid, butane diacid, ammonium sulfate, sodium hypophosphite, thiourea and urea in sequence for dissolution and then added with ammonia to prepare the bath. A chemical plating technology is utilized to prepare the glass fiber Ni-Fe-Nd-P alloy. The beneficial effects are that as a right amount of neodymium nitrate is added to the chemical bath, the content of phosphorus in a prepared alloy coating is 5 percent to 10 percent; the glass fiber which adopts the chemical plating has good electrical conductivity and can be used as a conductive filler and an electric loss absorbent.

Description

Ni-Fe-Nd-P plating bath and glass fibre Ni-Fe-Nd-P Alloy And Preparation Method

Technical field

The present invention relates to a kind of Ni-Fe-Nd-P plating bath and glass fibre Ni-Fe-Nd-P Alloy And Preparation Method.

Background technology

At present, more to electroless plating ternary alloy plating solution and preparation method thereof report both at home and abroad, the above alloy electroplating bath of quaternary is less with the report of relevant rare earth element electroless plating, and most plating bath is to carry out plating on metallic matrix.General add fashionablely when rare earth element, the stability of plating bath, sedimentation velocity and quality of coating can obviously improve, and material can be used for preparing magnetic recording media and corrosion-resistant coating, but only on metallic matrix plating limited the use range of material undoubtedly.In recent years, the widespread use in electronic industry of various non-metallic material, macromolecular material, and hertzian wave can pass through these materials unblockedly, causes serious electromagnetic pollution and leakage of information.For preventing electromagnetic pollution and information leakage, hertzian wave controlled with shielding processing seem particularly important, and when adopting metallic stuffing to make conductive filler material, have the shortcoming that price is more expensive, coating wt is bigger.

Quad alloy plating bath of the Ni-Co-La-P that this seminar develops in earlier stage, Ni-Co-Fe-La-P and Ni-Fe-La-P and preparation method thereof, cross though can be implemented in to execute on the glass fibre, but the loss tangent value on upper frequency is lower, has the more weak shortcoming of electroconductive glass fibre absorbing property.

Summary of the invention

The technical problem that solves

For fear of the deficiencies in the prior art part, the present invention proposes a kind of Ni-Fe-Nd-P plating bath and glass fibre Ni-Fe-Nd-P Alloy And Preparation Method, is plating bath of the Electroless Plating Ni that a kind of thickness of coating is even, surface topography is good, binding force of cladding material is good-Fe-Nd-P glass fibre and preparation method thereof.

Technical scheme

A kind of Ni-Fe-Nd-P plating bath, the prescription that it is characterized in that plating bath is: single nickel salt: 1.8～2.60g/100ml, inferior sodium phosphate: 2.1～3.50g/100ml, ferrous sulfate: 0.5～1.70g/100ml, neodymium nitrate: 0.05～0.13g/100ml, Trisodium Citrate: 3.0～5.50g/100ml, oxysuccinic acid: 0.8～1.70g/100ml, Succinic Acid: 0.6～1.50g/100ml, ammonium sulfate: 3.8～5.0g/100ml, distilled water: 100ml, thiocarbamide: 0.008～0.05g/100ml, urea: 0.9～2.10g/100ml, concentrated hydrochloric acid: 2.5～5.50g/100ml.

A kind of method for preparing described plating bath is characterized in that preparation process is as follows:

Step 1, single nickel salt and ferrous sulfate are put into container A, add 95% of distilled water total amount;

Step 2, neodymium nitrate is put into container B, adds 5% and concentrated hydrochloric acid of distilled water total amount, under the normal temperature in magnetic stirring apparatus stirring and dissolving, join in the container A after the dissolving;

Step 3, with Trisodium Citrate, oxysuccinic acid, Succinic Acid, ammonium sulfate, inferior sodium phosphate, thiocarbamide and urea add in the container A successively, are stirred to fully dissolving, splash into ammoniacal liquor and regulate pH=8.0 ± 0.5, plating bath.

A kind of method of utilizing described plating bath to prepare glass fibre Ni-Fe-Nd-P alloy is characterized in that step is as follows:

Step 1, alkali free glass fibre is carried out pre-treatment with activation solution, dispersion liquid, coarsening solution and coupling liquid, put into then above-mentioned prepared cross liquid, heating in water bath is at 50 ℃～70 ℃ reaction 20～60min down;

Step 2, reaction finish the back and take out glass fibre, clean 3 times with distilled water, and be drying treatment half an hour in 70 ± 5 ℃ the baking oven in temperature.

Beneficial effect

Ni-Fe-Nd-P plating bath and glass fibre Ni-Fe-Nd-P Alloy And Preparation Method that the present invention proposes add Nd (NO in plating bath ₃) ₃, not only improve the stability and the utilization ratio of plating bath, and improved the content of metallic element Ni in the alloy layer, and in alloy layer, introduced rare earth element nd, greatly reduce P content, can also reduce the plating temperature of electroless plating simultaneously.In chemical plating fluid, add an amount of Nd (NO ₃) ₃, in the obtained alloy layer phosphorus content 5%～10%, and tradition with the metal be in the electroless plating alloy layer of matrix phosphorus content 15%～30%; Glass fibre has good electrical conductivity, can be used as conductive filler material and electrical loss absorption agent and uses.

Description of drawings

Fig. 1: the SEM figure of fiberglass surfacing alloy layer

(a) do not add Nd (NO ₃) ₃

(b) for adding Nd (NO ₃) ₃

Fig. 2: the resistivity of amorphous alloy coating under the plated state

Fig. 3: NiFeP and NiFeNdP alloy layer are in the loss tangent of X-band and the relation of frequency

Embodiment

Now in conjunction with the embodiments, accompanying drawing is further described the present invention:

Embodiment 1:

1, takes by weighing the beaker that single nickel salt 2.10g, ferrous sulfate 0.80g put into 250ml, add the distilled water of 95ml.

2, take by weighing the beaker that neodymium nitrate 0.08g puts into 50ml, add 5ml distilled water and 2.50～5.50ml concentrated hydrochloric acid, under the normal temperature in magnetic stirring apparatus stirring and dissolving, the dissolving back adds in above-mentioned 1 in the 250ml beaker.

3, taking by weighing Trisodium Citrate 3.50g, oxysuccinic acid 0.90g, Succinic Acid 0.60g, inferior sodium phosphate 3.0g, ammonium sulfate 4.10g, thiocarbamide 0.02g and urea 1.35g adds in the beaker of 250ml in above-mentioned 1 successively, be stirred to dissolving fully, splash into ammoniacal liquor and regulate pH=8.0 ± 0.2, be made into chemical plating fluid.

4, glass fibre is carried out pre-treatment, the glass fibre that pre-treatment is good is put into above-mentioned 1 and is filled the beaker that the chemistry that has prepared crosses liquid, and heating in water bath reacts 20～60min down at 50 ℃～70 ℃.

5, after reaction finishes, take out glass fibre, clean 3 times with distilled water, handle dry half an hour in baking oven, and temperature is at 70 ± 5 ℃.Promptly make fiberglass surfacing Electroless Plating Ni-Fe-Nd-P quad alloy coating.

The method of number of patent application for being provided in 200710017812.7 the application documents is provided in pre-treatment, and activation solution, dispersion liquid, coarsening solution and coupling liquid carry out pre-treatment to alkali free glass fibre.

Embodiment 2:

1, takes by weighing the beaker that single nickel salt 2.50g, ferrous sulfate 1.40g put into 250ml, add the distilled water of 95ml.

2, take by weighing the beaker that neodymium nitrate 0.10g puts into 50ml, add 5ml distilled water and 2.50～5.50ml concentrated hydrochloric acid, under the normal temperature in magnetic stirring apparatus stirring and dissolving, the dissolving back adds in above-mentioned 1 in the 250ml beaker.

3, taking by weighing Trisodium Citrate 4.90g, oxysuccinic acid 0.68g, Succinic Acid 0.50g, inferior sodium phosphate 3.10g, ammonium sulfate 4.12gg, thiocarbamide 0.02g and urea 1.35g adds in the beaker of 250ml in above-mentioned 1 successively, be stirred to dissolving fully, splash into ammoniacal liquor and regulate pH=8.0 ± 0.2, be made into chemical plating fluid.

4, glass fibre is carried out pre-treatment, the glass fibre that pre-treatment is good is put into above-mentioned 1 and is filled the beaker that the chemistry that has prepared crosses liquid, and heating in water bath reacts 20～60min down at 50 ℃～70 ℃.

5, after reaction finishes, take out glass fibre, clean 3 times with distilled water, handle dry half an hour in baking oven, and temperature is at 70 ± 5 ℃.Promptly make fiberglass surfacing Electroless Plating Ni-Fe-Nd-P quad alloy coating.

The method of number of patent application for being provided in 200710017812.7 the application documents is provided in pre-treatment, and activation solution, dispersion liquid, coarsening solution and coupling liquid carry out pre-treatment to alkali free glass fibre.

Utilize the table composed as follows of the glass fibre Ni-Fe-Nd-P alloy layer that present method makes:

The characteristics of the Electroless Plating Ni-Fe-Nd-P conductive magneto-conductive glass fibre of the present invention's development are that (1) adds rare earth compound Nd (NO in plating bath ₃) ₃, not only improve the stability and the utilization ratio of plating bath, and improved the content of metallic element Ni in the alloy layer, and in alloy layer, introduced rare earth element nd, reduce P content greatly, in chemical plating fluid, add an amount of Nd (NO ₃) ₃, phosphorus content is 5%～10% in the obtained alloy layer, and tradition is that phosphorus content is 15%～30% in the electroless plating alloy layer of matrix with the metal, and the essentially consist of the Ni-Fe-Nd-P conductive magneto-conductive glass fibre that we developed sees Table 2; (2) under identical electroless deposition rate conditions, add rare earth element nd in the plating bath, can make plating temperature reduce about 12 ℃, under the uniform temp condition, add rare earth element nd and can make the maximum deposition rate of coating improve about 15%; (3) surperficial Paint Gloss, the fine and close (see figure 1) of Yan Zhi Ni-Fe-Nd-P quad alloy glass fibre, and capability of electromagnetic shielding good (seeing Fig. 2, Fig. 3).

Fig. 1 (a) and (b) be respectively and under a certain electroplate liquid formulation, do not add and add Nd (NO ₃) ₃The surface topography graph of a relation of alloy layer.As can be seen, fiberglass surfacing has formed complete alloy layer, and adds Nd (NO in the plating bath ₃) ₃Back gained coating is more even, smooth and fine and close.

In forming, the above-mentioned electroplate liquid formulation of Electroless Plating Ni-Fe-Nd-P keeps changing Nd (NO under the constant condition of other component ₃) ₃Concentration is studied the resistivity of obtained Ni-Fe-Nd-P alloy layer, the result as shown in Figure 2:

Use vector network analyzer, the electromagnetic parameter of obtained Ni-Fe-P and Ni-Fe-Nd-P alloy layer is under these conditions measured, the research rare earth element is to the influence of electroconductive glass fibre electromagnetic parameter, and selected range of frequency is 8.2-12.4GHz, and experimental result is seen Fig. 3.

Claims (3)

1. Ni-Fe-Nd-P plating bath, the prescription that it is characterized in that plating bath is: single nickel salt: 1.8～2.60g/100ml distilled water, inferior sodium phosphate: 2.1～3.50g/100ml distilled water, ferrous sulfate: 0.5～1.70g/100ml distilled water, neodymium nitrate: 0.05～0.13g/100ml distilled water, Trisodium Citrate: 3.0～5.50g/100ml distilled water, oxysuccinic acid: 0.8～1.70g/100ml distilled water, Succinic Acid: 0.6～1.50g/100ml distilled water, ammonium sulfate: 3.8～5.0g/100ml distilled water, distilled water: 100ml, thiocarbamide: 0.008～0.05g/100ml distilled water, urea: 0.9～2.10g/100m1 distilled water, concentrated hydrochloric acid: 2.5～5.50g/100ml distilled water, ammoniacal liquor is regulated pH=8.0 ± 0.5.

2. method for preparing the described plating bath of claim 1 is characterized in that preparation process is as follows:

Step 1, single nickel salt and ferrous sulfate are put into container A, add 95% of distilled water total amount;

Step 2, neodymium nitrate is put into container B, adds 5% and concentrated hydrochloric acid of distilled water total amount, under the normal temperature in magnetic stirring apparatus stirring and dissolving, join in the container A after the dissolving;

Step 3, with Trisodium Citrate, oxysuccinic acid, Succinic Acid, ammonium sulfate, inferior sodium phosphate, thiocarbamide and urea add in the container A successively, are stirred to fully dissolving, splash into ammoniacal liquor and regulate pH=8.0 ± 0.5, plating bath.

3. method of utilizing the described plating bath of claim 1 to prepare glass fibre Ni-Fe-Nd-P alloy is characterized in that step is as follows:

Step 1, alkali free glass fibre is carried out pre-treatment with activation solution, dispersion liquid, coarsening solution and coupling liquid, put into then above-mentioned prepared cross liquid, heating in water bath is at 50 ℃～70 ℃ reaction 20～60min down;

Step 2, reaction finish the back and take out glass fibre, clean 3 times with distilled water, and be drying treatment half an hour in 70 ± 5 ℃ the baking oven in temperature.

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