CN105776892A - Magnetic Ag-plated glass bead and preparing method thereof - Google Patents

Magnetic Ag-plated glass bead and preparing method thereof Download PDF

Info

Publication number
CN105776892A
CN105776892A CN201610067823.5A CN201610067823A CN105776892A CN 105776892 A CN105776892 A CN 105776892A CN 201610067823 A CN201610067823 A CN 201610067823A CN 105776892 A CN105776892 A CN 105776892A
Authority
CN
China
Prior art keywords
magnetic
plating
glass microballoon
parts
obtains
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610067823.5A
Other languages
Chinese (zh)
Other versions
CN105776892B (en
Inventor
王毅
郭金春
宋小兰
安崇伟
宋丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
North University of China
Original Assignee
North University of China
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by North University of China filed Critical North University of China
Priority to CN201610067823.5A priority Critical patent/CN105776892B/en
Publication of CN105776892A publication Critical patent/CN105776892A/en
Application granted granted Critical
Publication of CN105776892B publication Critical patent/CN105776892B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3607Coatings of the type glass/inorganic compound/metal
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3644Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the metal being silver
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3668Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating having electrical properties
    • C03C17/3676Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating having electrical properties specially adapted for use as electromagnetic shield
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00Methods for coating glass
    • C03C2218/10Deposition methods
    • C03C2218/11Deposition methods from solutions or suspensions
    • C03C2218/111Deposition methods from solutions or suspensions by dipping, immersion
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00Methods for coating glass
    • C03C2218/30Aspects of methods for coating glass not covered above
    • C03C2218/31Pre-treatment
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00Methods for coating glass
    • C03C2218/30Aspects of methods for coating glass not covered above
    • C03C2218/32After-treatment
    • C03C2218/324De-oxidation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Inorganic Chemistry (AREA)
  • Chemically Coating (AREA)

Abstract

The invention relates to a magnetic Ag-plated glass bead and a preparing method thereof.The magnetic Ag-plated glass bead comprises a glass bead core, a Ni-P alloy middle layer is arranged on the outer surface of the glass bead core, an Ag layer is arranged on the outer surface of the Ni-P alloy middle layer, and the diameter of the glass bead core ranges from 30 micrometers to 60 micrometers.The preparing method of the magnetic Ag-plated glass bead comprises the following steps that firstly, a glass bead body is pretreated; secondly, the Ni-P alloy middle layer is prepared; thirdly, a magnetic glass bead body is pretreated; fourthly, the Ag layer is prepared.

Description

A kind of magnetic plating Ag glass microballoon and preparation method thereof
Technical field
The invention belongs to field of material engineering technology, be specifically related to a kind of magnetic plating Ag glass micro- Pearl and preparation method thereof.
Background technology
In polymer base electro-magnetic screen composite material, for making composite have sufficiently high leading Electricity rate reflects or electromagnetic wave absorption, it will usually doses in nonconducting polymeric matrix and has The metal powder material of high conductivity, these metal powders are referred to as conducting filler.Work as conductive fill When body doses certain mark (" diafiltration " threshold value), the specific insulation of composite can be dashed forward The most acutely decline, " diafiltration " phenomenon occurs;Further, continue to increase when the filling fraction of electric conductor Added-time, the specific insulation of composite quickly can tend towards stability, now the conduction of material internal Path is the most perfect, is further added by conducting filler and also will not significantly improve the electric conductivity of material Can, the deadweight of composite can be increased on the contrary and reduce its mechanical property.Therefore, reduction is compound " diafiltration " threshold value of material is to improving the combination property of shielding composite and reducing cost Highly beneficial.And reduce material " diafiltration " threshold value the best way and select conductance exactly very High and that performance is sufficiently stable metal Ag powder.
In recent years, lightweight, green cheap to some, the material that is prone to processing carried out surface gold Genusization replaces costliness and the excessive Ag powder of density, it has also become of conductive filler development Important trend.Fact proved, plating Ag glass microballoon complies fully with as the substitute of pure Ag powder Technology and the requirement in market.But, along with making rapid progress of science and technology, current electromagnetic shielding The development of material fast forwards through to the requirement of more Gao Gengxin and target, wherein to " widescreen Cover " the requirement most challenge of effect.This means to have improved merely the conductance of composite Requirement can not be met, it is necessary to the function that another imparting composite is new while meeting high conductivity Strengthen its shield effectiveness;And the introducing of magnetic material is by the electromagnetic shielding for improving composite Performance injects new vitality.Because under the effect of electromagnetic wave, the magnetization of magnetic material presents dynamic State process, the most not only also exists the magnetic hystersis loss not available for common dielectric, there is also By energy loss produced by the effects such as magnetic aftereffect, domain wall resonance, natural resonance, and these are not The electromagnetic wave of different frequency range it is respectively acting on again with the magnetic loss of mechanism.Such as, at 10kHz~ In the intermediate frequency range of 1MHz, magnetic material can occur dimensional resonance and magnetic force resonance phenomenon;? In the high frequency stage of 1~100MHz, magnetic material will appear from domain wall resonance or relaxation;? In 100MHz~10GHz uhf-range, magnetic material can occur natural resonance.Therefore, magnetic The introducing of property material will strengthen the shield effectiveness of shielding material to a great extent and widens shielding The shield ranges of material.
Summary of the invention
Goal of the invention: the problem that the present invention is directed to the existence of above-mentioned prior art makes improvement, i.e. originally First purpose of disclosure of the invention is open a kind of magnetic plating Ag glass microballoon.The present invention's Second purpose is to disclose the preparation method of a kind of magnetic plating Ag glass microballoon.
Technical scheme: a kind of magnetic plating Ag glass microballoon, including glass microballoon core, in institute The outer surface stating glass microballoon core is provided with a Ni-P alloy interlayer, in the middle of Ni-P alloy The outer surface of layer is provided with Ag layer,
A diameter of 30~60 μm of described glass microballoon core.
Further, the thickness of described Ni-P alloy interlayer is 1~3 μm.
Further, the thickness of described Ag layer is 1~3 μm.
The preparation method of a kind of magnetic plating Ag glass microballoon, comprises the following steps:
(1) pretreated glass microballon
(11) first with the Na that concentration is 5~40wt%2CO3Glass microballoon is carried out by the aqueous solution Clean, then with the aqueous hydrochloric acid solution of 2~10wt%, glass microballoon is carried out, finally use Glass microballoon is carried out by the industrial alcohol aqueous solution of 60~70wt%;
(12) glass microballoon that step (11) obtains is put into the hydrofluoric acid water of 0.1~3wt% Solution is carried out be roughened etching processing 5~15 minutes;
(13) glass microballoon obtaining step (12) puts into SnCl2Mixing water with HCl In solution, stir 10~40 minutes;
(14) glass microballoon that step (13) obtains is put into concentration be 0.02~ 0.1wt%PdCl2In aqueous solution, stir 10~40 minutes;
(2) Ni-P alloy interlayer is prepared
(21) preparation plating solution
By 2~8 parts of NiCl2·6H2O, 1~5 part of sodium citrate, 0.1~1 part of tartaric acid Potassium sodium is dissolved in 50~150 parts of distilled water, then to take 50~150 parts of concentration be 3~5wt% NaH2PO2·H2The O aqueous solution is added thereto, and is added thereto to 6~9 parts of concentration the most again It is 25~28wt% ammoniacal liquor, after stirring, i.e. obtains plating solution;
(22) plating
The glass microballoon that step (14) obtains is put in the plating solution that step (21) obtains, With 2~5 DEG C of min under stirring-1Heating rate be heated to 70 DEG C after be incubated 20~40min, filter, after distilled water washing, prepare magnetic glass microballon;
(3) pretreatment magnetic glass microballon
(31) by 1~5 part of SnCl2, 2~8 parts of concentrated hydrochloric acid and 5~30 parts of polyethylene glycol 2000 are dissolved in 50~150 parts of distilled water, stir and i.e. obtain cleaning fluid;
(32) the magnetic glass microballon that step (22) obtains is put into step (31) to obtain Cleaning fluid in, stir 20~40min, filter, then wash after 2~3 times with distilled water Obtain magnetic glass microballon;
(33) the magnetic glass microballon that step (32) obtains is put into concentration be 0.02~ The PdCl of 0.1wt%2In the aqueous solution, stir 10~30min, filter, then wash with distillation Wash 2~3 times and obtain magnetic glass microballon;
(4) Ag layer is prepared
(41) preparation plating solution
By 1~5 part of AgNO3It is dissolved in 100 parts of distilled water with 1~5 part of compound stabilizer, Adding the ammoniacal liquor that 3~9 parts of concentration is 25~28wt%, stirring is completely dissolved to precipitation and get final product To plating solution;
(42) complex reducing agent preparation
0.5~3 part of hydrazine hydrate is dissolved in 40~60 parts of methyl alcohol formation complex reducing agent molten Liquid;
(43) plating
The magnetic glass microballon that step (33) obtains is put into the plating that step (41) obtains Liquid stirs, then drips the composite reduction agent solution that step (42) obtains, instead Filter after answering 10~30min, wash, i.e. obtain magnetic plating Ag glass microballoon after drying.
Further, in the mixed aqueous solution in step (13), SnCl2Concentration be 1~8wt%, The concentration of HCl is 5~15wt%.
Further, the compound stabilizer in step (41) is thiocarbamide, EDTA and tartaric acid Mixture, the mass ratio of tartaric acid, EDTA and thiocarbamide is (0.5~6): (0.1~2): (0.03~0.1).
Beneficial effect: the invention discloses a kind of magnetic plating Ag glass microballoon and preparation method thereof Have the advantages that
1, in silver plating process, owing to using compound stabilizer, therefore plating solution is sufficiently stable, Place the longer time and also undergo no deterioration within the scope of wider temperature, being of value to industrialization Produce;
2, in silver plating process, the reproducibility of complex reducing agent is relatively strong, when both shortening reaction Between, ensure again silver coating compactness;
3, silver-plated glass beads has certain magnetic.
Accompanying drawing explanation
Fig. 1 be a kind of magnetic disclosed by the invention plating Ag glass microballoon stereoscan photograph;
Fig. 2 be a kind of magnetic disclosed by the invention plating Ag glass microballoon XRD spectrum;
Fig. 3 is the magnetic hysteresis regression curve of a kind of magnetic disclosed by the invention plating Ag glass microballoon.
Detailed description of the invention:
Below the detailed description of the invention of the present invention is described in detail.
Specific embodiment 1
A kind of magnetic plating Ag glass microballoon, including glass microballoon core, at glass microballoon core Outer surface be provided with a Ni-P alloy interlayer, the outer surface at Ni-P alloy interlayer is provided with Ag layer,
A diameter of 30 μm of glass microballoon core.
Further, the thickness of Ni-P alloy interlayer is 1 μm.
Further, the thickness of Ag layer is 1 μm.
The preparation method of a kind of magnetic plating Ag glass microballoon, comprises the following steps:
(1) pretreated glass microballon
(11) it is first the Na of 5wt% by concentration2CO3Glass microballoon is carried out by the aqueous solution, With the aqueous hydrochloric acid solution of 2wt%, glass microballoon is carried out again, finally with 60wt%'s Glass microballoon is carried out by the industrial alcohol aqueous solution;
(12) hydrofluoric acid that the glass microballoon that step (11) obtains is put into 0.1wt% is water-soluble Liquid is carried out be roughened etching processing 5 minutes;
(13) glass microballoon obtaining step (12) puts into SnCl2Mixing water with HCl In solution, stir 10 minutes;
(14) glass microballoon that step (13) obtains being put into concentration is 0.02wt%PdCl2 In aqueous solution, stir 10 minutes;
(2) Ni-P alloy interlayer is prepared
(21) preparation plating solution
By 2 parts of NiCl2·6H2O, 1 part of sodium citrate, 0.1 part of sodium potassium tartrate tetrahydrate are dissolved in In 50 parts of distilled water, then to take 50 parts of concentration be the NaH of 3wt%2PO2·H2The O aqueous solution adds Entering wherein, being added thereto to 6 parts of concentration the most again is 25wt% ammoniacal liquor, after stirring I.e. obtain plating solution;
(22) plating
The glass microballoon that step (14) obtains is put in the plating solution that step (21) obtains, With 2 DEG C of min under stirring-1Heating rate be heated to 70 DEG C after be incubated 20min, Filter, after distilled water washing, prepare magnetic glass microballon;
(3) pretreatment magnetic glass microballon
(31) by 1 part of SnCl2, 2 parts of concentrated hydrochloric acids and 5 parts of polyethylene glycol 2000s are dissolved in In 50 parts of distilled water, stir and i.e. obtain cleaning fluid;
(32) the magnetic glass microballon that step (22) obtains is put into step (31) to obtain Cleaning fluid in, stir 20min, filter, then wash after 2 times with distilled water and obtain magnetic Property glass microballoon;
(33) the magnetic glass microballon that step (32) obtains being put into concentration is 0.02wt% PdCl2In the aqueous solution, stir 10min, filter, then obtain for 2 times with distilled water washing Magnetic glass microballon;
(4) Ag layer is prepared
(41) preparation plating solution
By 3 parts of AgNO3It is dissolved in 100 parts of distilled water with 3.86 parts of compound stabilizers, adds Entering 3 parts of concentration is the ammoniacal liquor of 25wt%, and stirring is completely dissolved to precipitation and i.e. obtains plating solution;
(42) complex reducing agent preparation
1.5 parts of hydrazine hydrates are dissolved in 55 parts of methyl alcohol formation composite reduction agent solution;
(43) plating
The magnetic glass microballon that step (33) obtains is put into the plating that step (41) obtains Liquid stirs, then drips the composite reduction agent solution that step (42) obtains, instead Filter after answering 10min, wash, i.e. obtain magnetic plating Ag glass microballoon after drying.
Further, in the mixed aqueous solution in step (13), SnCl2Concentration be 1wt%, The concentration of HCl is 5wt%.
Further, the compound stabilizer in step (41) is thiocarbamide, EDTA and tartaric acid Mixture, the mass ratio of tartaric acid, EDTA and thiocarbamide is 3:0.8:0.06.
The magnetic plating Ag glass microballoon prepared is characterized.
As shown in Figure 1, the surface of magnetic plating Ag glass microballoon has densification, clad complete.
As shown in Figure 2, magnetic plating Ag glass microballoon is amorphous state, the crystalline substance of Ni-P alloy-layer Change degree is the lowest, but the diffraction peak intensity of Ag layer is higher and to a certain degree wideization occurs, Illustrate that the grain size being deposited on compound particle outermost Ag particle is the least.
From the figure 3, it may be seen that hysteresis occurs under magnetic plating Ag glass microballoon outside magnetic field effect, There is magnetic.
Specific embodiment 2
A kind of magnetic plating Ag glass microballoon, including glass microballoon core, at glass microballoon core Outer surface be provided with a Ni-P alloy interlayer, the outer surface at Ni-P alloy interlayer is provided with Ag layer,
A diameter of 60 μm of glass microballoon core.
Further, the thickness of Ni-P alloy interlayer is 3 μm.
Further, the thickness of Ag layer is 3 μm.
The preparation method of a kind of magnetic plating Ag glass microballoon, comprises the following steps:
(1) pretreated glass microballon
(11) it is first the Na of 40wt% by concentration2CO3Glass microballoon is carried out clearly by the aqueous solution Wash, then with the aqueous hydrochloric acid solution of 10wt%, glass microballoon is carried out, finally use 70wt% The industrial alcohol aqueous solution glass microballoon is carried out;
(12) glass microballoon that step (11) obtains is put into the hydrofluoric acid aqueous solution of 3wt% In carry out being roughened etching processing 15 minutes;
(13) glass microballoon obtaining step (12) puts into SnCl2Mixing water with HCl In solution, stir 40 minutes;
(14) glass microballoon that step (13) obtains being put into concentration is 0.1wt%PdCl2 In aqueous solution, stir 40 minutes;
(2) Ni-P alloy interlayer is prepared
(21) preparation plating solution
By 8 parts of NiCl2·6H2O, 5 parts of sodium citrates, 1 part of sodium potassium tartrate tetrahydrate are dissolved in 150 In part distilled water, then to take 150 parts of concentration be the NaH of 5wt%2PO2·H2The O aqueous solution adds Wherein, being added thereto to 9 parts of concentration the most again is 28wt% ammoniacal liquor, after stirring i.e. Obtain plating solution;
(22) plating
The glass microballoon that step (14) obtains is put in the plating solution that step (21) obtains, With 5 DEG C of min under stirring-1Heating rate be heated to 70 DEG C after be incubated 40min, Filter, after distilled water washing, prepare magnetic glass microballon;
(3) pretreatment magnetic glass microballon
(31) by 5 parts of SnCl2, 8 parts of concentrated hydrochloric acids and 30 parts of polyethylene glycol 2000s are dissolved in In 150 parts of distilled water, stir and i.e. obtain cleaning fluid;
(32) the magnetic glass microballon that step (22) obtains is put into step (31) to obtain Cleaning fluid in, stir 40min, filter, then wash after 3 times with distilled water and obtain magnetic Property glass microballoon;
(33) the magnetic glass microballon that step (32) obtains being put into concentration is 0.1wt%'s PdCl2In the aqueous solution, stir 30min, filter, then obtain magnetic 3 times with distilled water washing Property glass microballoon;
(4) Ag layer is prepared
(41) preparation plating solution
By 5 parts of AgNO3It is dissolved in 100 parts of distilled water with 5 parts of compound stabilizers, adds 9 Part concentration is the ammoniacal liquor of 28wt%, and stirring is completely dissolved to precipitation and i.e. obtains plating solution;
(42) complex reducing agent preparation
3 parts of hydrazine hydrates are dissolved in 60 parts of methyl alcohol formation composite reduction agent solution;
(43) plating
The magnetic glass microballon that step (33) obtains is put into the plating that step (41) obtains Liquid stirs, then drips the composite reduction agent solution that step (42) obtains, instead Filter after answering 30min, wash, i.e. obtain magnetic plating Ag glass microballoon after drying.
Further, in the mixed aqueous solution in step (13), SnCl2Concentration be 8wt%, The concentration of HCl is 15wt%.
Further, the compound stabilizer in step (41) is thiocarbamide, EDTA and tartaric acid Mixture, the mass ratio of tartaric acid, EDTA and thiocarbamide is 3:0.1:0.03.
Specific embodiment 3
A kind of magnetic plating Ag glass microballoon, including glass microballoon core, at glass microballoon core Outer surface be provided with a Ni-P alloy interlayer, the outer surface at Ni-P alloy interlayer is provided with Ag layer,
A diameter of 40 μm of glass microballoon core.
Further, the thickness of Ni-P alloy interlayer is 2 μm.
Further, the thickness of Ag layer is 2 μm.
The preparation method of a kind of magnetic plating Ag glass microballoon, comprises the following steps:
(1) pretreated glass microballon
(11) it is first the Na of 20wt% by concentration2CO3Glass microballoon is carried out clearly by the aqueous solution Wash, then with the aqueous hydrochloric acid solution of 5wt%, glass microballoon is carried out, finally use 65wt% The industrial alcohol aqueous solution glass microballoon is carried out;
(12) glass microballoon that step (11) obtains is put into the hydrofluoric acid aqueous solution of 1wt% In carry out being roughened etching processing 10 minutes;
(13) glass microballoon obtaining step (12) puts into SnCl2Mixing water with HCl In solution, stir 20 minutes;
(14) glass microballoon that step (13) obtains being put into concentration is 0.05wt%PdCl2 In aqueous solution, stir 20 minutes;
(2) Ni-P alloy interlayer is prepared
(21) preparation plating solution
By 5 parts of NiCl2·6H2O, 3 parts of sodium citrates, 0.5 part of sodium potassium tartrate tetrahydrate are dissolved in In 100 parts of distilled water, then to take 100 parts of concentration be the NaH of 4wt%2PO2·H2The O aqueous solution Being added thereto, being added thereto to 7 parts of concentration the most again is 26wt% ammoniacal liquor, stirs After i.e. obtain plating solution;
(22) plating
The glass microballoon that step (14) obtains is put in the plating solution that step (21) obtains, With 3 DEG C of min under stirring-1Heating rate be heated to 70 DEG C after be incubated 30min, Filter, after distilled water washing, prepare magnetic glass microballon;
(3) pretreatment magnetic glass microballon
(31) by 3 parts of SnCl2, 5 parts of concentrated hydrochloric acids and 20 parts of polyethylene glycol 2000s are dissolved in In 100 parts of distilled water, stir and i.e. obtain cleaning fluid;
(32) the magnetic glass microballon that step (22) obtains is put into step (31) to obtain Cleaning fluid in, stir 30min, filter, then wash after 3 times with distilled water and obtain magnetic Property glass microballoon;
(33) the magnetic glass microballon that step (32) obtains being put into concentration is 0.05wt% PdCl2In the aqueous solution, stir 20min, filter, then obtain for 2 times with distilled water washing Magnetic glass microballon;
(4) Ag layer is prepared
(41) preparation plating solution
By 1 part of AgNO3It is dissolved in 100 parts of distilled water with 1.07 parts of compound stabilizers, adds Entering 6 parts of concentration is the ammoniacal liquor of 26wt%, and stirring is completely dissolved to precipitation and i.e. obtains plating solution;
(42) complex reducing agent preparation
0.5 part of hydrazine hydrate is dissolved in 40 parts of methyl alcohol formation composite reduction agent solution;
(43) plating
The magnetic glass microballon that step (33) obtains is put into the plating that step (41) obtains Liquid stirs, then drips the composite reduction agent solution that step (42) obtains, instead Filter after answering 20min, wash, i.e. obtain magnetic plating Ag glass microballoon after drying.
Further, in the mixed aqueous solution in step (13), SnCl2Concentration be 5wt%, The concentration of HCl is 10wt%.
Further, the compound stabilizer in step (41) is thiocarbamide, EDTA and tartaric acid Mixture, the mass ratio of tartaric acid, EDTA and thiocarbamide is 3:2:0.1.
Specific embodiment 4
Roughly the same with specific embodiment 1, differ only in:
Step (41) is by 3 parts of AgNO3It is dissolved in 100 parts of distilled water with 3.78 parts of compound stabilizers In, adding 3 parts of concentration is the ammoniacal liquor of 25wt%, and stirring is completely dissolved to precipitation and i.e. obtains plating solution;
Compound stabilizer in step (41) is thiocarbamide, EDTA and tartaric mixture, The mass ratio of tartaric acid, EDTA and thiocarbamide is 0.5:0.1:0.03.
Specific embodiment 5
Roughly the same with specific embodiment 2, differ only in:
Compound stabilizer in step (41) is thiocarbamide, EDTA and tartaric mixture, The mass ratio of tartaric acid, EDTA and thiocarbamide is 0.5:2:0.1.
Specific embodiment 6
Roughly the same with specific embodiment 3, differ only in:
By 1 part of AgNO in step (41)3It is dissolved in 100 parts of distillations with 1.02 parts of compound stabilizers In water, adding 6 parts of concentration is the ammoniacal liquor of 26wt%, and stirring is completely dissolved to precipitation and is i.e. plated Liquid;
Compound stabilizer in step (41) is thiocarbamide, EDTA and tartaric mixture, The mass ratio of tartaric acid, EDTA and thiocarbamide is 6:0.1:0.03.
Specific embodiment 7
Roughly the same with specific embodiment 1, differ only in:
By 3 parts of AgNO in step (41)3It is dissolved in 100 parts of distillations with 3.43 parts of compound stabilizers In water, adding 3 parts of concentration is the ammoniacal liquor of 25wt%, and stirring is completely dissolved to precipitation and is i.e. plated Liquid;
Compound stabilizer in step (41) is thiocarbamide, EDTA and tartaric mixture, The mass ratio of tartaric acid, EDTA and thiocarbamide is 6:0.8:0.06.
Above embodiments of the present invention are elaborated.On but the present invention is not limited to State embodiment, in the ken that art those of ordinary skill is possessed, also Can make a variety of changes on the premise of without departing from present inventive concept.

Claims (6)

1. a magnetic plating Ag glass microballoon, it is characterised in that include glass microballoon core, Outer surface at described glass microballoon core is provided with a Ni-P alloy interlayer, at Ni-P alloy The outer surface in intermediate layer is provided with Ag layer, a diameter of 30~60 μm of described glass microballoon core.
A kind of magnetic plating Ag glass microballoon the most according to claim 1, it is characterised in that The thickness of described Ni-P alloy interlayer is 1~3 μm.
A kind of magnetic plating Ag glass microballoon the most according to claim 1 and 2, its feature Being, the thickness of described Ag layer is 1~3 μm.
4. the preparation method of a magnetic plating Ag glass microballoon, it is characterised in that include following Step:
(1) pretreated glass microballon
(11) first with the Na that concentration is 5~40wt%2CO3Glass microballoon is carried out by the aqueous solution Clean, then with the aqueous hydrochloric acid solution of 2~10wt%, glass microballoon is carried out, finally use Glass microballoon is carried out by the industrial alcohol aqueous solution of 60~70wt%;
(12) glass microballoon that step (11) obtains is put into the hydrofluoric acid water of 0.1~3wt% Solution is carried out be roughened etching processing 5~15 minutes;
(13) glass microballoon obtaining step (12) puts into SnCl2Mixing water with HCl In solution, stir 10~40 minutes;
(14) glass microballoon that step (13) obtains is put into concentration be 0.02~ 0.1wt%PdCl2In aqueous solution, stir 10~40 minutes;
(2) Ni-P alloy interlayer is prepared
(21) preparation plating solution
By 2~8 parts of NiCl2·6H2O, 1~5 part of sodium citrate, 0.1~1 part of tartaric acid Potassium sodium is dissolved in 50~150 parts of distilled water, then to take 50~150 parts of concentration be 3~5wt% NaH2PO2·H2The O aqueous solution is added thereto, and is added thereto to 6~9 parts of concentration the most again It is 25~28wt% ammoniacal liquor, after stirring, i.e. obtains plating solution;
(22) plating
The glass microballoon that step (14) obtains is put in the plating solution that step (21) obtains, With 2~5 DEG C of min under stirring-1Heating rate be heated to 70 DEG C after be incubated 20~40min, filter, after distilled water washing, prepare magnetic glass microballon;
(3) pretreatment magnetic glass microballon
(31) by 1~5 part of SnCl2, 2~8 parts of concentrated hydrochloric acid and 5~30 parts of polyethylene glycol 2000 are dissolved in 50~150 parts of distilled water, stir and i.e. obtain cleaning fluid;
(32) the magnetic glass microballon that step (22) obtains is put into step (31) to obtain Cleaning fluid in, stir 20~40min, filter, then wash after 2~3 times with distilled water Obtain magnetic glass microballon;
(33) the magnetic glass microballon that step (32) obtains is put into concentration be 0.02~ The PdCl of 0.1wt%2In the aqueous solution, stir 10~30min, filter, then wash with distillation Wash 2~3 times and obtain magnetic glass microballon;
(4) Ag layer is prepared
(41) preparation plating solution
By 1~5 part of AgNO3It is dissolved in 100 parts of distilled water with 1~5 part of compound stabilizer, Adding the ammoniacal liquor that 3~9 parts of concentration is 25~28wt%, stirring is completely dissolved to precipitation and get final product To plating solution;
(42) complex reducing agent preparation
0.5~3 part of hydrazine hydrate is dissolved in 40~60 parts of methyl alcohol formation complex reducing agent molten Liquid;
(43) plating
The magnetic glass microballon that step (33) obtains is put into the plating that step (41) obtains Liquid stirs, then drips the composite reduction agent solution that step (42) obtains, instead Filter after answering 10~30min, wash, i.e. obtain magnetic plating Ag glass microballoon after drying.
The preparation method of a kind of magnetic the most according to claim 4 plating Ag glass microballoon, It is characterized in that, in the mixed aqueous solution in step (13), SnCl2Concentration be 1~8wt%, The concentration of HCl is 5~15wt%.
The preparation method of a kind of magnetic the most according to claim 4 plating Ag glass microballoon, It is characterized in that, the compound stabilizer in step (41) is thiocarbamide, EDTA and tartaric Mixture, the mass ratio of tartaric acid, EDTA and thiocarbamide is (0.5~6): (0.1~2): (0.03~ 0.1)。
CN201610067823.5A 2016-01-29 2016-01-29 A kind of magnetic plating Ag glass microballoons and preparation method thereof Expired - Fee Related CN105776892B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610067823.5A CN105776892B (en) 2016-01-29 2016-01-29 A kind of magnetic plating Ag glass microballoons and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610067823.5A CN105776892B (en) 2016-01-29 2016-01-29 A kind of magnetic plating Ag glass microballoons and preparation method thereof

Publications (2)

Publication Number Publication Date
CN105776892A true CN105776892A (en) 2016-07-20
CN105776892B CN105776892B (en) 2018-04-06

Family

ID=56402308

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610067823.5A Expired - Fee Related CN105776892B (en) 2016-01-29 2016-01-29 A kind of magnetic plating Ag glass microballoons and preparation method thereof

Country Status (1)

Country Link
CN (1) CN105776892B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107285643A (en) * 2017-07-18 2017-10-24 合肥鼎亮光学科技有限公司 A kind of preparation method for the reflective glass beads that magnetic is aluminized entirely
CN111154172A (en) * 2020-01-08 2020-05-15 江苏科麦特科技发展有限公司 Shielding type plastic film and composite belt prepared from same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103130421A (en) * 2013-04-03 2013-06-05 中国兵器工业集团第五三研究所 Nickel plating silvered glass bead and preparation method thereof
JP2013258138A (en) * 2012-05-16 2013-12-26 Hitachi Chemical Co Ltd Conductive particle, anisotropic conductive adhesive film, and connection structure
CN104646663A (en) * 2014-12-11 2015-05-27 薛世君 Ag Cu coated powder preparation method
CN105273689A (en) * 2014-07-18 2016-01-27 广东工业大学 Novel multi-element structure composite conductive filling material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013258138A (en) * 2012-05-16 2013-12-26 Hitachi Chemical Co Ltd Conductive particle, anisotropic conductive adhesive film, and connection structure
CN103130421A (en) * 2013-04-03 2013-06-05 中国兵器工业集团第五三研究所 Nickel plating silvered glass bead and preparation method thereof
CN105273689A (en) * 2014-07-18 2016-01-27 广东工业大学 Novel multi-element structure composite conductive filling material
CN104646663A (en) * 2014-12-11 2015-05-27 薛世君 Ag Cu coated powder preparation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107285643A (en) * 2017-07-18 2017-10-24 合肥鼎亮光学科技有限公司 A kind of preparation method for the reflective glass beads that magnetic is aluminized entirely
CN111154172A (en) * 2020-01-08 2020-05-15 江苏科麦特科技发展有限公司 Shielding type plastic film and composite belt prepared from same

Also Published As

Publication number Publication date
CN105776892B (en) 2018-04-06

Similar Documents

Publication Publication Date Title
CN101054483B (en) Silvering graphite and preparation method thereof
CN104681907B (en) Overall teflon insulation electroplate outer conductor radio-frequency cable and processing method
CN105950904B (en) A kind of preparation method of silvering graphite alkene enhancing copper-based electric contact material
CN105063580A (en) Preparation method of nickel-coated graphite powder for electroconductive rubber of electromagnetic shielding material
CN102950282B (en) Preparation method of silver-copper coating powder
CN103878366B (en) Copper clad chromium composite powder and its preparation method and application
CN110102758B (en) Cu-X/C composite material and preparation method thereof
US20140339479A1 (en) Flake-form conductive filler
CN107557769A (en) A kind of preparation method of complex metal layer coating carbon nanotubes electromagnetic shielding material
CN104250475A (en) High-temperature-resistant electrically-conductive printing ink and preparation method thereof
CN105776892A (en) Magnetic Ag-plated glass bead and preparing method thereof
CN102543855B (en) Manufacture method of three-dimensional integrated circuit structure and material
CN104043826B (en) Aluminum powder surface hydration processing method and application of aluminum powder in preparing Al@Ag nuclear shell composite particle conductive and electromagnetic shielding filler
CN109112508B (en) Preparation method of cobalt-coated aluminum oxide composite powder
CN104098277B (en) Method for copperizing and silvering on surface of glass bead, and copperized and silvered glass bead
CN102557480B (en) A kind of preparation method of nickel plating glass micro-bead for conductive compound
CN104831257B (en) A kind of tungsten powder surface copper coating
CN101979708B (en) Method for preparing carbon nano tube silvered acrylic acid series electromagnetic shielding coating
CN114105494B (en) Coupling agent compounded ionic nickel palladium-free activation solution and method for preparing conductive basalt fiber
CN107557772B (en) A method of electroless copper nickel alloy is carried out on the surface ITO
CN100507074C (en) Compounded conducting mix and silver coating Fe*O* powder and preparation method thereof
CN110035603B (en) Method for preparing printed circuit embedded inductor
KR100709124B1 (en) Method for coating glass powder with silver
CN103740999A (en) High-performance silver-saving electric contact material and preparation method thereof
JP6309758B2 (en) Silver-coated copper powder and method for producing the same

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180406