CN105296973B - A kind of ultra-high molecular weight polyethylene powder chemical nickel-plating method for surface - Google Patents
A kind of ultra-high molecular weight polyethylene powder chemical nickel-plating method for surface Download PDFInfo
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- CN105296973B CN105296973B CN201510867325.4A CN201510867325A CN105296973B CN 105296973 B CN105296973 B CN 105296973B CN 201510867325 A CN201510867325 A CN 201510867325A CN 105296973 B CN105296973 B CN 105296973B
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Abstract
The present invention relates to the preparation field of core shell structure compound particle, specifically a kind of ultra-high molecular weight polyethylene powder chemical nickel-plating method for surface, its step is：Ultra-high molecular weight polyethylene powder is added in the chemical plating fluid that temperature is 40~80 DEG C, and insulated and stirred is well mixed under ultrasonic water bath environment；Then reducing agent is added dropwise in mixed liquor, constant temperature handles 30~60min, and it is washed afterwards, filter, dried, and obtains nickel plating ultra-high molecular weight polyethylene compound particle.The above method is reasonable in design, chemical nickel plating is carried out on ultra-high molecular weight polyethylene powder surface using chemical plating method, obtained compound particle has the characteristics that density is small, cost is low, both filler can be used as to be used in electromagnetic shielding field, shaping can also be manufactured separately, greatly extend the application field of electroless plating technology and ultra-high molecular weight polyethylene.
Description
Technical field
The present invention relates to the preparation field of nucleocapsid structure compound particle, specifically a kind of ultra-high molecular weight polyethylene powder
Chemical nickel-plating method for surface.
Background technology
Electroless plating technology is metal ion is reduced into metal in the presence of reducing agent using metal salt solution, and makes it
It is evenly coated at the matrix surface with catalytic activity.Chemical plating can realize the uniform cladding of metal, and with matrix surface
Adhesion is strong.High conductivity compound particle is prepared in the good metallics of matrix surface cladding high conductivity and chemical stability
It is one of important application of electroless plating technology.
Shell metallic and core matrix material can be had concurrently by preparing the compound particle with nucleocapsid structure by chemical plating method
Excellent specific property, [Mancier V, et are widely used in fields such as photoelectric material, functional stuffing and magnetic materials
al.Ultrason Sonochem,2010,17:690-696；Li WZ,et al.ACS Appl Mater Interfaces,
2013,5:883-891].Currently used matrix material is based on non-metal powder, as polystyrene microsphere, hollow glass are micro-
Pearl, glass fibre, carbon fiber etc..Wherein polymeric matrix has the characteristics such as machinability, good mechanical properties, light weight, leads to
Crossing the conductive composite particle of chemical plating method preparation has the advantages that electrical conductivity is adjustable and morphological feature is controllable, can answer extensively
For fields such as electronic device, aviation, military affairs.Therefore, range of choice of the electroless plating technology to polymeric matrix is extended, meanwhile,
Extend polymeric matrix application, make compound particle meet the application demand of different field have important Research Significance and
It is widely applied value.
The content of the invention
The present invention is in order to extend application of the chemical plating method on polymeric matrix, there is provided a kind of super high molecular weight
Polyethylene powders chemical nickel-plating method for surface.
The present invention is achieved by the following technical solutions：A kind of ultra-high molecular weight polyethylene powder chemical nickel plating on surface side
Method, its step are：Ultra-high molecular weight polyethylene powder is added in the chemical plating fluid that temperature is 40~80 DEG C, and in ultrasonic water bath
Insulated and stirred is well mixed under environment；Then reducing agent is added dropwise in mixed liquor, constant temperature handles 30~60min, afterwards
It is washed, filtered, dried, obtains nickel plating ultra-high molecular weight polyethylene compound particle；
The chemical plating fluid is the NiCl by 10~50g/L2·6H2O, 30~100g/L C6H5Na3O7·2H2O, 100
~300ml/L NH3·H2What O and distilled water were formed, reducing agent is the NaH by 20~100g/L2PO2·H2O and distillation
What water was formed.
The above method is reasonable in design, and chemical plating is carried out on ultra-high molecular weight polyethylene powder surface using chemical plating method
Nickel, obtained compound particle have the characteristics that density is small, cost is low, both filler can be used as to be used in electromagnetic shielding field,
Shaping can be manufactured separately, greatly extend the application field of electroless plating technology and ultra-high molecular weight polyethylene.
Further, the invention provides the surface preparation of ultra-high molecular weight polyethylene powder, the method for the pretreatment to be：
(a) it is roughened：Ultra-high molecular weight polyethylene powder is added in coarsening solution, stirred in 25~30 DEG C of thermostatic ultrasonic water-baths
30~60min is mixed, is washed；
(b) it is sensitized：Ultra-high molecular weight polyethylene powder after roughening is added in sensitizing solution, 25~30 DEG C of thermostatic ultrasonics
30~60min of stirred in water bath, washing；
(c) activate：Ultra-high molecular weight polyethylene powder after sensitization is added in activating solution, 25~30 DEG C of thermostatic ultrasonics
15~30min of stirred in water bath, wash, dry, it is standby.
And, there is provided the reagent employed in above-mentioned preprocess method：The coarsening solution is the dichromic acid by 30g/L
Potassium, the 700ml/L 98wt% concentrated sulfuric acids and distilled water composition；Sensitizing solution is the stannous chloride by 20g/L, 10ml/L's
What 37wt% concentrated hydrochloric acid and distilled water was formed；Activating solution is the palladium bichloride by 0.1~1g/L, and 10ml/L 37wt%'s is dense
What hydrochloric acid and distilled water were formed.
The present invention is performed etching by roughening to powder surface, to increase specific surface area, is improved and is inhaled in follow-up activation process
Attached Sn2+Ability and activation process in the bond strength of catalytic active center and particle surface.Then by being sensitized and activating,
So that Pd atomic depositions form active centre in particle surface.Then chemical plating is carried out in particle surface using chemical plating method
Nickel.The present invention is by changing reductant concentration in the plating pre-processing technique of ultra-high molecular weight polyethylene powder, chemical plating fluid, complexing
The factor such as agent concentration and powder loading realizes the regulation and control to compound particle microscopic appearance and electric conductivity, and being prepared has
The nucleocapsid structure compound particle of excellent electricity-magnetic double function characteristic.
Brief description of the drawings
Fig. 1 is the SEM figures of corresponding nickel plating ultra-high molecular weight polyethylene compound particle in embodiment 5, and the right is put to be local
Big figure.It can be seen that nickel dam is uniformly coated on the surface of compound particle.
Fig. 2 is Fig. 1 partial enlarged drawing.
Fig. 3 is the XRD of corresponding nickel plating ultra-high molecular weight polyethylene compound particle in embodiment 5.Can from figure
Go out：There is diffraction maximum appearance at 2 θ=44.5 °, 51.8 ° and 76.4 °, correspond to (111), (200) of center of area cubic-crystal nickel respectively
(220) three crystal faces, it was demonstrated that successfully plated metallic nickel on the surface of ultra-high molecular weight polyethylene.
Fig. 4 is corresponding nickel plating ultra-high molecular weight polyethylene compound particle VSM curve maps in embodiment 5.Can be with from figure
Find out, the saturation magnetization of compound particle has reached 7.5emu/g, coercivity 147Oe.
Embodiment
Embodiment 1：
Ultra-high molecular weight polyethylene powder surface is pre-processed, specifically included：
Roughening：2g ultra-high molecular weight polyethylene powder is added in 100ml coarsening solutions, temperature is 25 DEG C, in ultrasonic water
30min is stirred in bath, is washed；
Sensitization：Ultra-high molecular weight polyethylene powder after roughening is added in 100ml sensitizing solutions, temperature is 25 DEG C,
30min is stirred in ultrasonic water bath, is washed；
Activation：Ultra-high molecular weight polyethylene powder after sensitization is added in 100ml activating solutions, temperature is 25 DEG C,
15min is stirred in ultrasonic water bath, is washed, is dried, it is standby.
Wherein coarsening solution, sensitizing solution, the process for preparation of activating solution are as follows：
Coarsening solution：30g potassium bichromates are weighed, are added in the container equipped with 300ml distilled water, are measured again after its dissolving
The 700ml98wt% concentrated sulfuric acid, is slowly added to while stirring, and coarsening solution is obtained after solution clarification.
Sensitizing solution：2g stannous chlorides are weighed, is added in the container equipped with 100ml distilled water, the dense of 1ml37wt% is added dropwise
Hydrochloric acid, sensitizing solution is obtained after it is completely dissolved.
Activating solution：0.1g palladium bichlorides are weighed, are dissolved in 1ml37wt% concentrated hydrochloric acid, are stirring evenly and then adding into 1000ml
Distilled water, stir until obtaining activating solution after solution clarification.
To ultra-high molecular weight polyethylene powder chemistry nickel plating, specific embodiment is：By above-mentioned pretreatment and dried
Ultra-high molecular weight polyethylene powder is added in 100ml chemical plating fluid, and temperature is 40 DEG C, is stirred in ultrasonic water bath, will
10ml reducing agent liquid is added dropwise in plating solution, carries out 30min chemical nickel plating, is washed, filtered, dried afterwards, most
Nickel plating ultra-high molecular weight polyethylene compound particle is obtained eventually.
Above-mentioned middle chemical plating fluid specifically comprises：10g/L NiCl2·6H2O, 30g/L C6H5Na3O7·2H2O,
100ml/L NH3·H2O, solvent are distilled water.Reducing agent liquid specifically comprises：20g/L NaH2PO2·H2O, solvent are
Distilled water.
Embodiment 2：
Ultra-high molecular weight polyethylene powder surface is pre-processed, specifically included：
Roughening：2g ultra-high molecular weight polyethylene powder is added in 100ml coarsening solutions, temperature is 30 DEG C, in ultrasonic water
30min is stirred in bath, is washed；
Sensitization：Ultra-high molecular weight polyethylene powder after roughening is added in 100ml sensitizing solutions, temperature is 30 DEG C,
30min is stirred in ultrasonic water bath, is washed；
Activation：Ultra-high molecular weight polyethylene powder after sensitization is added in 100ml activating solutions, temperature is 30 DEG C,
15min is stirred in ultrasonic water bath, is washed, is dried, it is standby.
Wherein coarsening solution, sensitizing solution, the process for preparation of activating solution are as follows：
Coarsening solution：30g potassium bichromates are weighed, are added in the container equipped with 300ml distilled water, are measured again after its dissolving
The 700ml98wt% concentrated sulfuric acid, is slowly added to while stirring, and coarsening solution is obtained after solution clarification.
Sensitizing solution：2g stannous chlorides are weighed, is added in the container equipped with 100ml distilled water, the dense of 1ml37wt% is added dropwise
Hydrochloric acid, sensitizing solution is obtained after it is completely dissolved.
Activating solution：0.3g palladium bichlorides are weighed, are dissolved in 1ml37wt% concentrated hydrochloric acid, are stirring evenly and then adding into 1000ml
Distilled water, stir until obtaining activating solution after solution clarification.
To ultra-high molecular weight polyethylene powder chemistry nickel plating, specific embodiment is：Will pretreatment and dried superelevation
Molecular weight polyethylene powder is added in 100ml chemical plating fluids, and temperature is 50 DEG C, is stirred in ultrasonic water bath, by going back for 10ml
Former agent liquid is added dropwise in plating solution, carries out 40min chemical nickel plating, is washed, filtered, dried afterwards, is finally plated
Nickel ultra-high molecular weight polyethylene compound particle.
Above-mentioned middle chemical plating fluid specifically comprises：20g/L NiCl2·6H2O, 40g/L C6H5Na3O7·2H2O,
150ml/L NH3·H2O, solvent are distilled water.Reducing agent liquid specifically comprises：30g/L NaH2PO2·H2O, solvent are
Distilled water.
Embodiment 3：
Ultra-high molecular weight polyethylene powder surface is pre-processed, specifically included：
Roughening：2g ultra-high molecular weight polyethylene powder is added in 100ml coarsening solutions, temperature is 30 DEG C, in ultrasound
Stirred in water bath 40min, washing；
Sensitization：Ultra-high molecular weight polyethylene powder after roughening is added in 100ml sensitizing solutions, temperature is 30 DEG C,
40min is stirred in ultrasonic water bath, is washed；
Activation：Ultra-high molecular weight polyethylene powder after sensitization is added in 100ml activating solutions, temperature is 30 DEG C,
15min is stirred in ultrasonic water bath, is washed, is dried, it is standby.
Wherein coarsening solution, sensitizing solution, the process for preparation of activating solution are as follows：
Coarsening solution：30g potassium bichromates are weighed, are added in the container equipped with 300ml distilled water, are measured again after its dissolving
The 700ml98wt% concentrated sulfuric acid, is slowly added to while stirring, and coarsening solution is obtained after solution clarification.
Sensitizing solution：2g stannous chlorides are weighed, is added in the container equipped with 100ml distilled water, the dense of 1ml37wt% is added dropwise
Hydrochloric acid, sensitizing solution is obtained after it is completely dissolved.
Activating solution：0.5g palladium bichlorides are weighed, are dissolved in 1ml37wt% concentrated hydrochloric acid, are stirring evenly and then adding into 1000ml
Distilled water, stir until obtaining activating solution after solution clarification.
To ultra-high molecular weight polyethylene powder chemistry nickel plating, specific embodiment is：Will pretreatment and dried superelevation
Molecular weight polyethylene powder is added in 100ml chemical plating fluids, and temperature is 55 DEG C, is stirred in ultrasonic water bath, by going back for 10ml
Former agent liquid is added dropwise in plating solution, carries out 50min chemical nickel plating, is washed, filtered, dried afterwards, is finally plated
Nickel ultra-high molecular weight polyethylene compound particle.
Above-mentioned middle chemical plating fluid specifically comprises：20g/L NiCl2·6H2O, 50g/L C6H5Na3O7·2H2O,
180ml/L NH3·H2O, solvent are distilled water.Reducing agent liquid specifically comprises：40g/L NaH2PO2·H2O, solvent are
Distilled water.
Embodiment 4：
Ultra-high molecular weight polyethylene powder surface is pre-processed, specifically included：
Roughening：2g ultra-high molecular weight polyethylene powder is added in 100ml coarsening solutions, temperature is 30 DEG C, in ultrasound
Stirred in water bath 40min, washing；
Sensitization：Ultra-high molecular weight polyethylene powder after roughening is added in 100ml sensitizing solutions, temperature is 30 DEG C,
40min is stirred in ultrasonic water bath, is washed；
Activation：Ultra-high molecular weight polyethylene powder after sensitization is added in 100ml activating solutions, temperature is 30 DEG C,
30min is stirred in ultrasonic water bath, is washed, is dried, it is standby.
Wherein coarsening solution, sensitizing solution, the process for preparation of activating solution are as follows：
Coarsening solution：30g potassium bichromates are weighed, are added in the container equipped with 300ml distilled water, are measured again after its dissolving
The 700ml98wt% concentrated sulfuric acid, is slowly added to while stirring, and coarsening solution is obtained after solution clarification.
Sensitizing solution：2g stannous chlorides are weighed, is added in the container equipped with 100ml distilled water, the dense of 1ml37wt% is added dropwise
Hydrochloric acid, sensitizing solution is obtained after it is completely dissolved.
Activating solution：0.6g palladium bichlorides are weighed, are dissolved in 1ml37wt% concentrated hydrochloric acid, are stirring evenly and then adding into 1000ml
Distilled water, stir until obtaining activating solution after solution clarification.
To ultra-high molecular weight polyethylene powder chemistry nickel plating, specific embodiment is：Will pretreatment and dried superelevation
Molecular weight polyethylene powder is added in 100ml chemical plating fluids, and temperature is 60 DEG C, is stirred in ultrasonic water bath, 10ml is reduced
Agent liquid is added dropwise in plating solution, carries out 50min chemical nickel plating, is washed, filtered, dried afterwards, finally obtains nickel plating
Ultra-high molecular weight polyethylene compound particle.
Above-mentioned middle chemical plating fluid specifically comprises：30g/L NiCl2·6H2O, 50g/L C6H5Na3O7·2H2O,
200ml/L NH3·H2O, solvent are distilled water.Reducing agent liquid specifically comprises：55g/L NaH2PO2·H2O, solvent are
Distilled water.
Embodiment 5：
Ultra-high molecular weight polyethylene powder surface is pre-processed, specifically included：
Roughening：2g ultra-high molecular weight polyethylene powder is added in 100ml coarsening solutions, temperature is 30 DEG C, in ultrasound
Stirred in water bath 50min, washing；
Sensitization：Ultra-high molecular weight polyethylene powder after roughening is added in 100ml sensitizing solutions, temperature is 30 DEG C,
50min is stirred in ultrasonic water bath, is washed；
Activation：Ultra-high molecular weight polyethylene powder after sensitization is added in 100ml activating solutions, temperature is 28 DEG C,
30min is stirred in ultrasonic water bath, is washed, is dried, it is standby.
Wherein coarsening solution, sensitizing solution, the process for preparation of activating solution are as follows：
Coarsening solution：30g potassium bichromate is weighed, is added in the container equipped with 300ml distilled water, is measured again after its dissolving
The 700ml98wt% concentrated sulfuric acid is taken, is slowly added to while stirring, coarsening solution is obtained after solution clarification.
Sensitizing solution：2g stannous chlorides are weighed, is added in the container equipped with 100ml distilled water, the dense of 1ml37wt% is added dropwise
Hydrochloric acid, sensitizing solution is obtained after it is completely dissolved.
Activating solution：0.7g palladium bichlorides are weighed, are dissolved in 1ml37wt% concentrated hydrochloric acid, are stirring evenly and then adding into 1000ml
Distilled water, stir until obtaining activating solution after solution clarification.
To ultra-high molecular weight polyethylene powder chemistry nickel plating, specific embodiment is：Will pretreatment and dried superelevation
Molecular weight polyethylene powder is added in 100ml chemical plating fluids, and temperature is 65 DEG C, is stirred in ultrasonic water bath, by going back for 10ml
Former agent liquid is added dropwise in plating solution, carries out 55min chemical nickel plating, is washed, filtered, dried afterwards, is finally plated
Nickel ultra-high molecular weight polyethylene compound particle.
Above-mentioned middle chemical plating fluid specifically comprises：38g/L NiCl2·6H2O, 60g/L C6H5Na3O7·2H2O,
260ml/L NH3·H2O, solvent are distilled water.Reducing agent liquid specifically comprises：75g/L NaH2PO2·H2O, solvent are
Distilled water.
Embodiment 6：
Ultra-high molecular weight polyethylene powder surface is pre-processed, specifically included：
Roughening：2g ultra-high molecular weight polyethylene powder is added in 100ml coarsening solutions, temperature is 30 DEG C, in ultrasound
Stirred in water bath 60min, washing；
Sensitization：Ultra-high molecular weight polyethylene powder after roughening is added in 100ml sensitizing solutions, temperature is 28 DEG C,
60min is stirred in ultrasonic water bath, is washed；
Activation：Ultra-high molecular weight polyethylene powder after sensitization is added in 100ml activating solutions, temperature is 30 DEG C,
30min is stirred in ultrasonic water bath, washs drying for standby.
Wherein coarsening solution, sensitizing solution, the process for preparation of activating solution are as follows：
Coarsening solution：30g potassium bichromate is weighed, is added in the container equipped with 300ml distilled water, is measured again after its dissolving
The 700ml98wt% concentrated sulfuric acid is taken, is slowly added to while stirring, coarsening solution is obtained after solution clarification.
Sensitizing solution：2g stannous chlorides are weighed, is added in the container equipped with 100ml distilled water, the dense of 1ml37wt% is added dropwise
Hydrochloric acid, sensitizing solution is obtained after it is completely dissolved.
Activating solution：0.8g palladium bichlorides are weighed, are dissolved in 1ml37wt% concentrated hydrochloric acid, are stirring evenly and then adding into 1000ml
Distilled water, stir until obtaining activating solution after solution clarification.
To ultra-high molecular weight polyethylene powder chemistry nickel plating, specific embodiment is：Will pretreatment and dried superelevation
Molecular weight polyethylene powder is added in 100ml chemical plating fluids, and temperature is 74 DEG C, is stirred in ultrasonic water bath, by going back for 10ml
Former agent liquid is added dropwise in plating solution, carries out 55min chemical nickel plating, is washed, filtered, dried afterwards, is finally plated
Nickel ultra-high molecular weight polyethylene compound particle.
Above-mentioned middle chemical plating fluid specifically comprises：45g/L NiCl2·6H2O, 80g/L C6H5Na3O7·2H2O,
280ml/L NH3·H2O, solvent are distilled water.Reducing agent liquid specifically comprises：90g/L NaH2PO2·H2O, solvent are
Distilled water.
Embodiment 7：
Ultra-high molecular weight polyethylene powder surface is pre-processed, specifically included：
Roughening：2g ultra-high molecular weight polyethylene powder is added in 100ml coarsening solutions, temperature is 28 DEG C, in ultrasound
Stirred in water bath 60min, washing；
Sensitization：Ultra-high molecular weight polyethylene powder after roughening is added in 100ml sensitizing solutions, temperature is 30 DEG C,
60min is stirred in ultrasonic water bath, is washed；
Activation：Ultra-high molecular weight polyethylene powder after sensitization is added in 100ml activating solutions, temperature is 30 DEG C,
30min is stirred in ultrasonic water bath, washs drying for standby.
Wherein coarsening solution, sensitizing solution, the process for preparation of activating solution are as follows：
Coarsening solution：30g potassium bichromates are weighed, are added in the container equipped with 300ml distilled water, are measured again after its dissolving
The 700ml98wt% concentrated sulfuric acid, is slowly added to while stirring, and coarsening solution is obtained after solution clarification.
Sensitizing solution：2g stannous chlorides are weighed, is added in the container equipped with 100ml distilled water, the dense of 1ml37wt% is added dropwise
Hydrochloric acid, sensitizing solution is obtained after it is completely dissolved.
Activating solution：1g palladium bichlorides are weighed, are dissolved in 1ml37wt% concentrated hydrochloric acid, are stirring evenly and then adding into 1000ml steamings
Distilled water, stir until obtaining activating solution after solution clarification.
To ultra-high molecular weight polyethylene powder chemistry nickel plating, specific embodiment is：Will pretreatment and dried superelevation
Molecular weight polyethylene powder is added in 100ml chemical plating fluid, and temperature is 80 DEG C, is stirred in ultrasonic water bath, by 10ml also
Former agent liquid is added dropwise in plating solution, carries out 60min chemical nickel plating, is washed, filtered, dried afterwards, is finally plated
Nickel ultra-high molecular weight polyethylene compound particle.
Above-mentioned middle chemical plating fluid specifically comprises：50g/L NiCl2·6H2O, 100g/L C6H5Na3O7·2H2O,
300ml/L NH3·H2O, solvent are distilled water.Reducing agent liquid specifically comprises：100g/L NaH2PO2·H2O, solvent are
Distilled water.
Following table is the electrical conductivity that embodiment one arrives compound particle obtained by embodiment seven
| Project | Electrical conductivity (S/cm) |
| Embodiment 1 | 0.25S/cm |
| Embodiment 2 | 1.18S/cm |
| Embodiment 3 | 1.48S/cm |
| Embodiment 4 | 8.96S/cm |
| Embodiment 5 | 22.06S/cm |
| Embodiment 6 | 25.96S/cm |
| Embodiment 7 | 27.22S/cm |
Claims (1)
1. a kind of ultra-high molecular weight polyethylene powder chemical nickel-plating method for surface, it is characterised in that its step is：Super high molecular weight
Polyethylene powders are added in the chemical plating fluid that temperature is 40~80 DEG C, and insulated and stirred mixing is equal under ultrasonic water bath environment
It is even；Then reducing agent is added dropwise in mixed liquor, constant temperature handles 30~60min, and it is washed afterwards, filter, dried
It is dry, obtain nickel plating ultra-high molecular weight polyethylene compound particle；
The chemical plating fluid is the NiCl by 10 ~ 50g/L2·6H2O, 30 ~ 100g/L C6H5Na3O7·2H2O, 100 ~ 300ml/L
NH3·H2What O and distilled water were formed, reducing agent is the NaH by 20 ~ 100g/L2PO2·H2What O and distilled water were formed；
Ultra-high molecular weight polyethylene powder has carried out surface preparation before being added to chemical plating fluid, and the method for the pretreatment is：
（a）Roughening：Ultra-high molecular weight polyethylene powder is added in coarsening solution, 25~30 DEG C of thermostatic ultrasonic stirred in water bath 30
~60min, washing；The coarsening solution is by 30 g/L potassium bichromate, 700 the ml/L 98 wt% concentrated sulfuric acids and distilled water
Form；
（b）Sensitization：Ultra-high molecular weight polyethylene powder after roughening is added in sensitizing solution, 25~30 DEG C of thermostatic ultrasonic water-baths
30~60min of middle stirring, washing；Sensitizing solution is by 20 g/L stannous chloride, 10 ml/L 37 wt% concentrated hydrochloric acid and steaming
What distilled water was formed；
（c）Activation：Ultra-high molecular weight polyethylene powder after sensitization is added in activating solution, 25~30 DEG C of thermostatic ultrasonic water-baths
15~30min of middle stirring, wash, dry, it is standby；Activating solution is the palladium bichloride by 0.1 ~ 1g/L, and 10 ml/L 37 wt%'s is dense
What hydrochloric acid and distilled water were formed.
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| CN106903305A (en) * | 2017-04-12 | 2017-06-30 | 合肥学院 | Preparation method of metal particle/inorganic nano particle/polymer composite powder for 3D printing |
| CN106903306A (en) * | 2017-04-12 | 2017-06-30 | 合肥学院 | Method for preparing metal particle/polymer composite powder for 3D printing by defect-induced chemical plating process |
| CN106947960A (en) * | 2017-04-12 | 2017-07-14 | 合肥学院 | Preparation method of polymer/metal composite powder material for 3D printing |
| CN110918980B (en) * | 2019-12-16 | 2021-09-24 | 北京工商大学 | Electromagnetic shielding composite material and preparation method thereof |
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| CN1546727A (en) * | 2003-12-11 | 2004-11-17 | �Ϻ���ͨ��ѧ | Chemical plating nickel conductive film on polymer thin film surface and method for preparing the same |
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