CN105088320B - A kind of preparation method of nano particle doping electro-galvanized layer - Google Patents
A kind of preparation method of nano particle doping electro-galvanized layer Download PDFInfo
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Abstract
The invention discloses a kind of preparation method of nano particle doping electro-galvanized layer, electroplate liquid includes following components：The ml/L of 500 brightener of the g/L of zinc oxide 8~15, NaOH 80~150 g/L, ZN 150, the low areas of ZN 500 walk 500 cleaner of agent 1~3 ml/L, ZN 1 ml/L, the ml/L of 500 water quality treatment agents of ZN 1, the g/L of titanium dioxide nanoparticle 1.0~1.5, deionized water surplus.A kind of preparation method of nano particle doping electro-galvanized layer of the present invention, the fine and closely woven degree that zinc coat is crystallized can be effectively lifted by adding titanium dioxide nanoparticle, make zinc coat that there is excellent adhesion with matrix, significantly improve the corrosion resistance and wearability of zinc coat, such that it is able to be effectively reduced the thickness of zinc coat, surface treatment cost is saved；And prepare and environmentally friendly nonhazardous in production process.
Description
Technical field
The present invention relates to a kind of preparation method of nano particle doping electro-galvanized layer, belong to nano powder doping metals coating work
Skill technical field.
Background technology
Neodymium iron boron magnetic body has excellent magnetic property, but because neodymium iron boron magnetic body is by various phase compositions, the current potential of each phase
Than larger, especially rich neodymium phase current potential therein is low, is susceptible to intercrystalline corrosion for difference, causes neodymium iron boron magnetic body corrosion-resistant in itself
Property is very poor；Also, Nd-Fe-B permanent magnet is produced using powder metallurgical technique, its product actual density is unable to reach solid density,
There is micro-pore in inside, rare earth element is vulnerable to oxide etch in an atmosphere, destroy alloy compositions.In order to avoid neodymium iron boron forever
Magnet is subject to electrochemical corrosion and oxide etch, improves the corrosion resistance of Nd-Fe-B permanent magnet, it usually needs to neodymium-iron-boron body surface
The zinc-plated treatment technology in face, then treatment is passivated, it is the technical way for strengthening neodymium iron boron magnetic body corrosion resistance at present.
Additionally, in fields such as the weaker engineering parts machinings of steel processing, corrosion-resistant and oxidation resistent susceptibility, also usually can
Being applied to zincincation carries out anticorrosion and the lifting of oxidation resistent susceptibility.But the zinc coat corrosion resistance and wearability of routine
Can be poor, the adhesion with matrix is also weaker, makes the product of zinc-plated treatment be difficult to be applicable under complex environment, seriously limits plating
The range of application of zinc product；Further improve overcoming above-mentioned deficiency it is therefore desirable to make prior art.
The content of the invention
The present invention is exactly in view of the shortcomings of the prior art, there is provided a kind of preparation side of nano particle doping electro-galvanized layer
Method, it is possible to increase the corrosion resistance and anti-wear performance of zinc coat, so as to extend applied environment and the field of zinc coat.
To solve the above problems, the technical solution used in the present invention is as follows：
A kind of preparation method of nano particle doping electro-galvanized layer, electroplate liquid includes following components：
The g/L of zinc oxide 8~15
The g/L of NaOH 80~150
The ml/L of ZN-500 brighteners 150
The low areas of ZN-500 walk the ml/L of agent 1~3
The ml/L of ZN-500 cleaners 1
The ml/L of ZN-500 water quality treatment agents 1
The g/L of titanium dioxide nanoparticle 1.0~1.5
Deionized water surplus.
Used as the further preferred of above-mentioned technical proposal, electroplate liquid includes following components：
The g/L of zinc oxide 10
The g/L of NaOH 120
The ml/L of ZN-500 brighteners 150
The low areas of ZN-500 walk the ml/L of agent 2
The ml/L of ZN-500 cleaners 1
The ml/L of ZN-500 water quality treatment agents 1
The g/L of titanium dioxide nanoparticle 1.5
Deionized water surplus.
Used as the further preferred of above-mentioned technical proposal, the particle diameter of the titanium dioxide nanoparticle is 20~40 nanometers.
Used as the further preferred of above-mentioned technical proposal, the zinc oxide is the industrial primes of purity more than 98%；It is described
NaOH is the solid base of purity more than 96%.
As the further preferred of above-mentioned technical proposal, a kind of above-mentioned preparation method of nano particle doping electro-galvanized layer,
Comprise the following steps：
Step one, according to proportioning weigh each component；
Step 2, to appropriate amount of deionized water is added in coating bath, be subsequently adding the NaOH of weighing, stirring to NaOH
It is completely dissolved；
Step 3, the zinc oxide deionized water of weighing is tuned into pasty state, step 2 is slowly added into the case where being stirred continuously
In the alkali lye of preparation, until zinc oxide is completely dissolved；
Addition zinc powder and activity in step 4, the solution prepared to step 3 by a small amount of multiple principle under vigorous stirring
Charcoal, makes zinc powder and the addition concentration of activated carbon be not less than 3 g/L, is stood after being then sufficiently stirred for, then siphon filtering；
Step 5, to step 4 obtain filtrate in add the ZN-500 brighteners of weighing, the low areas of ZN-500 walk agent,
ZN-500 cleaners, ZN-500 water quality treatment agents and titanium dioxide nanoparticle；Stir；
Step 6, in 0.2~0.3 A/dm2Current density under electrolysis 10~20 hours after try plating.
As the further preferred of above-mentioned technical proposal, a kind of above-mentioned preparation method of nano particle doping electro-galvanized layer,
According to the current density of temperature of electroplating solution adjustment plating during plating：During less than 20 DEG C, adjustment current density is 1.0~1.2 A/
dm2；At 20 DEG C~30 DEG C, adjustment current density is 1.5~2.0 A/dm2；At 30 DEG C~40 DEG C, adjustment current density be 2.0~
4.0 A/dm2。
Compared with prior art, implementation result of the invention is as follows for the present invention：
The preparation method of a kind of nano particle doping electro-galvanized layer of the present invention, by adding nano titanium oxide
Grain can effectively lift the fine and closely woven degree of zinc coat crystallization, zinc coat is had excellent adhesion with matrix, significantly improve plating
The corrosion resistance and wearability of zinc layers, such that it is able to be effectively reduced the thickness of zinc coat, save surface treatment cost；And make
Environmentally friendly nonhazardous in standby and production process.
Specific embodiment
Illustrate present disclosure below in conjunction with specific embodiments.
Specific embodiment 1
A kind of preparation method of nano particle doping electro-galvanized layer that the present embodiment is provided, comprises the following steps：
Step one, according to proportioning weigh each component：
The g/L of zinc oxide 10
The g/L of NaOH 120
The ml/L of ZN-500 brighteners 150
The low areas of ZN-500 walk the ml/L of agent 2
The ml/L of ZN-500 cleaners 1
The ml/L of ZN-500 water quality treatment agents 1
The g/L of titanium dioxide nanoparticle 1.5
Deionized water surplus；
The particle diameter of wherein described titanium dioxide nanoparticle is 20~40 nanometers；The zinc oxide is purity more than 98%
Industrial primes；The NaOH is the solid base of purity more than 96%.
Step 2, to adding deionized water in coating bath, the addition of deionized water for the total consumption of deionized water four/
One, the NaOH of weighing is subsequently adding, stirring to NaOH is completely dissolved；
Step 3, the zinc oxide deionized water of weighing is tuned into pasty state, step 2 is slowly added into the case where being stirred continuously
In the alkali lye of preparation, until zinc oxide is completely dissolved；
Addition zinc powder and activity in step 4, the solution prepared to step 3 by a small amount of multiple principle under vigorous stirring
Charcoal, makes zinc powder and the addition concentration of activated carbon be 3 g/L, then stirs 40 minutes, the siphon filtering after 4~8 hours of quiet system；
Step 5, to step 4 obtain filtrate in add the ZN-500 brighteners of weighing, the low areas of ZN-500 walk agent,
ZN-500 cleaners, ZN-500 water quality treatment agents and titanium dioxide nanoparticle；Stir；
Step 6, in 0.2~0.3 A/dm2Current density under electrolysis 10~20 hours after try plating；
According to the current density of temperature of electroplating solution adjustment plating during plating：During less than 20 DEG C, adjustment current density be 1.0~
1.2 A/dm2；At 20 DEG C~30 DEG C, adjustment current density is 1.5~2.0 A/dm2；At 30 DEG C~40 DEG C, current density is adjusted
It is 2.0~4.0 A/dm2。
Specific embodiment 2
A kind of preparation method of nano particle doping electro-galvanized layer that the present embodiment is provided, comprises the following steps：
Step one, according to proportioning weigh each component：
The g/L of zinc oxide 8
The g/L of NaOH 80
The ml/L of ZN-500 brighteners 150
The low areas of ZN-500 walk the ml/L of agent 1
The ml/L of ZN-500 cleaners 1
The ml/L of ZN-500 water quality treatment agents 1
The g/L of titanium dioxide nanoparticle 1.0
Deionized water surplus；
The particle diameter of wherein described titanium dioxide nanoparticle is 20~40 nanometers；The zinc oxide is purity more than 98%
Industrial primes；The NaOH is the solid base of purity more than 96%.
Step 2, to adding deionized water in coating bath, the addition of deionized water for the total consumption of deionized water four/
One, the NaOH of weighing is subsequently adding, stirring to NaOH is completely dissolved；
Step 3, the zinc oxide deionized water of weighing is tuned into pasty state, step 2 is slowly added into the case where being stirred continuously
In the alkali lye of preparation, until zinc oxide is completely dissolved；
Addition zinc powder and activity in step 4, the solution prepared to step 3 by a small amount of multiple principle under vigorous stirring
Charcoal, makes zinc powder and the addition concentration of activated carbon be 3 g/L, then stirs 40 minutes, the siphon filtering after 4~8 hours of quiet system；
Step 5, to step 4 obtain filtrate in add the ZN-500 brighteners of weighing, the low areas of ZN-500 walk agent,
ZN-500 cleaners, ZN-500 water quality treatment agents and titanium dioxide nanoparticle；Stir；
Step 6, in 0.2~0.3 A/dm2Current density under electrolysis 10~20 hours after try plating；
According to the current density of temperature of electroplating solution adjustment plating during plating：During less than 20 DEG C, adjustment current density be 1.0~
1.2 A/dm2；At 20 DEG C~30 DEG C, adjustment current density is 1.5~2.0 A/dm2；At 30 DEG C~40 DEG C, current density is adjusted
It is 2.0~4.0 A/dm2。
Specific embodiment 3
A kind of preparation method of nano particle doping electro-galvanized layer that the present embodiment is provided, comprises the following steps：
Step one, according to proportioning weigh each component：
The g/L of zinc oxide 15
The g/L of NaOH 130
The ml/L of ZN-500 brighteners 150
The low areas of ZN-500 walk the ml/L of agent 2
The ml/L of ZN-500 cleaners 1
The ml/L of ZN-500 water quality treatment agents 1
The g/L of titanium dioxide nanoparticle 1.2
Deionized water surplus；
The particle diameter of wherein described titanium dioxide nanoparticle is 20~40 nanometers；The zinc oxide is purity more than 98%
Industrial primes；The NaOH is the solid base of purity more than 96%.
Step 2, to adding deionized water in coating bath, the addition of deionized water for the total consumption of deionized water four/
One, the NaOH of weighing is subsequently adding, stirring to NaOH is completely dissolved；
Step 3, the zinc oxide deionized water of weighing is tuned into pasty state, step 2 is slowly added into the case where being stirred continuously
In the alkali lye of preparation, until zinc oxide is completely dissolved；
Addition zinc powder and activity in step 4, the solution prepared to step 3 by a small amount of multiple principle under vigorous stirring
Charcoal, makes zinc powder and the addition concentration of activated carbon be 3 g/L, then stirs 40 minutes, the siphon filtering after 4~8 hours of quiet system；
Step 5, to step 4 obtain filtrate in add the ZN-500 brighteners of weighing, the low areas of ZN-500 walk agent,
ZN-500 cleaners, ZN-500 water quality treatment agents and titanium dioxide nanoparticle；Stir；
Step 6, in 0.2~0.3 A/dm2Current density under electrolysis 10~20 hours after try plating；
According to the current density of temperature of electroplating solution adjustment plating during plating：During less than 20 DEG C, adjustment current density be 1.0~
1.2 A/dm2；At 20 DEG C~30 DEG C, adjustment current density is 1.5~2.0 A/dm2；At 30 DEG C~40 DEG C, current density is adjusted
It is 2.0~4.0 A/dm2。
Specific embodiment 4
A kind of preparation method of nano particle doping electro-galvanized layer that the present embodiment is provided, comprises the following steps：
Step one, according to proportioning weigh each component：
The g/L of zinc oxide 12
The g/L of NaOH 150
The ml/L of ZN-500 brighteners 150
The low areas of ZN-500 walk the ml/L of agent 3
The ml/L of ZN-500 cleaners 1
The ml/L of ZN-500 water quality treatment agents 1
The g/L of titanium dioxide nanoparticle 1.5
Deionized water surplus；
The particle diameter of wherein described titanium dioxide nanoparticle is 20~40 nanometers；The zinc oxide is purity more than 98%
Industrial primes；The NaOH is the solid base of purity more than 96%.
Step 2, to adding deionized water in coating bath, the addition of deionized water for the total consumption of deionized water four/
One, the NaOH of weighing is subsequently adding, stirring to NaOH is completely dissolved；
Step 3, the zinc oxide deionized water of weighing is tuned into pasty state, step 2 is slowly added into the case where being stirred continuously
In the alkali lye of preparation, until zinc oxide is completely dissolved；
Addition zinc powder and activity in step 4, the solution prepared to step 3 by a small amount of multiple principle under vigorous stirring
Charcoal, makes zinc powder and the addition concentration of activated carbon be 3 g/L, then stirs 40 minutes, the siphon filtering after 4~8 hours of quiet system；
Step 5, to step 4 obtain filtrate in add the ZN-500 brighteners of weighing, the low areas of ZN-500 walk agent,
ZN-500 cleaners, ZN-500 water quality treatment agents and titanium dioxide nanoparticle；Stir；
Step 6, in 0.2~0.3 A/dm2Current density under electrolysis 10~20 hours after try plating；
According to the current density of temperature of electroplating solution adjustment plating during plating：During less than 20 DEG C, adjustment current density be 1.0~
1.2 A/dm2；At 20 DEG C~30 DEG C, adjustment current density is 1.5~2.0 A/dm2；At 30 DEG C~40 DEG C, current density is adjusted
It is 2.0~4.0 A/dm2。
Comparative examples
A kind of preparation method of electro-galvanized layer that the present embodiment is provided, comprises the following steps：
Step one, according to proportioning weigh each component：
The g/L of zinc oxide 12
The g/L of NaOH 150
The ml/L of ZN-500 brighteners 150
The low areas of ZN-500 walk the ml/L of agent 3
The ml/L of ZN-500 cleaners 1
The ml/L of ZN-500 water quality treatment agents 1
Deionized water surplus；
The zinc oxide is the industrial primes of purity more than 98%；The NaOH is the solid of purity more than 96%
Alkali.
Step 2, to adding deionized water in coating bath, the addition of deionized water for the total consumption of deionized water four/
One, the NaOH of weighing is subsequently adding, stirring to NaOH is completely dissolved；
Step 3, the zinc oxide deionized water of weighing is tuned into pasty state, step 2 is slowly added into the case where being stirred continuously
In the alkali lye of preparation, until zinc oxide is completely dissolved；
Addition zinc powder and activity in step 4, the solution prepared to step 3 by a small amount of multiple principle under vigorous stirring
Charcoal, makes zinc powder and the addition concentration of activated carbon be 3 g/L, then stirs 40 minutes, the siphon filtering after 4~8 hours of quiet system；
Step 5, to step 4 obtain filtrate in add the ZN-500 brighteners of weighing, the low areas of ZN-500 walk agent,
ZN-500 cleaners, ZN-500 water quality treatment agents；Stir；
Step 6, in 0.2~0.3 A/dm2Current density under electrolysis 10~20 hours after try plating；
According to the current density of temperature of electroplating solution adjustment plating during plating：During less than 20 DEG C, adjustment current density be 1.0~
1.2 A/dm2；At 20 DEG C~30 DEG C, adjustment current density is 1.5~2.0 A/dm2；At 30 DEG C~40 DEG C, current density is adjusted
It is 2.0~4.0 A/dm2。
Comparative experimental example
The square piece that selection base material is neodymium iron boron black-film, size is 15 × 15 × 5 mm, performance N35, according to specific embodiment 1
To 4 and the method for comparative examples, 5 samples are respectively prepared, test binding force of cladding material and the salt spray resistance test of above-mentioned 25 samples
Performance, test result see the table below 1.Pre-electroplating treatment is the s of 5% concentration nitric acid acidwashing 40 after oil removing, and is cleaned by ultrasonic.
Table 1：
* it is red rust time of occurrence.
The preparation method of visible nano particle doping electro-galvanized layer provided by the present invention is contrasted more than, relative to routine
Electro-galvanized layer preparation method, the bond strength and corrosion resisting property of coating are obviously improved.
Above content is detailed description made for the present invention in conjunction with specific embodiments, it is impossible to assert that the present invention is specific real
Apply and be only limitted to these explanations.For those skilled in the art, before present inventive concept is not departed from
Put, some simple deduction or replace can also be made, should all be considered as belonging to the scope of protection of the invention.
Claims (2)
1. a kind of nano particle adulterates the preparation method of electro-galvanized layer, it is characterized in that, electroplate liquid includes following components：
The g/L of zinc oxide 8~15
The g/L of NaOH 80~150
The ml/L of ZN-500 brighteners 150
The low areas of ZN-500 walk the ml/L of agent 1~3
The ml/L of ZN-500 cleaners 1
The ml/L of ZN-500 water quality treatment agents 1
The g/L of titanium dioxide nanoparticle 1.0~1.5
Deionized water surplus；
The particle diameter of the titanium dioxide nanoparticle is 20~40 nanometers；The zinc oxide is the industrial one-level of purity more than 98%
Product；The NaOH is the solid base of purity more than 96%；And comprise the following steps：
Step one, according to proportioning weigh each component；
Step 2, to appropriate amount of deionized water is added in coating bath, be subsequently adding the NaOH of weighing, stir complete to NaOH
Dissolving；
Step 3, the zinc oxide deionized water of weighing is tuned into pasty state, step 2 preparation is slowly added into the case where being stirred continuously
Alkali lye in, until zinc oxide is completely dissolved；
Addition zinc powder and activated carbon in step 4, the solution prepared to step 3 by a small amount of multiple principle under vigorous stirring,
Zinc powder and the addition concentration of activated carbon is not less than 3 g/L, stood after being then sufficiently stirred for, then siphon filtering；
The ZN-500 brighteners of weighing, the low areas of ZN-500 is added to walk agent, ZN-500 in step 5, the filtrate obtained to step 4
Cleaner, ZN-500 water quality treatment agents and titanium dioxide nanoparticle；Stir；
Step 6, in 0.2~0.3 A/dm2Current density under electrolysis 10~20 hours after try plating；And according to electroplate liquid during plating
The current density of temperature adjustment plating：During less than 20 DEG C, adjustment current density is 1.0~1.2 A/dm2；At 20 DEG C~30 DEG C,
Adjustment current density is 1.5~2.0 A/dm2；At 30 DEG C~40 DEG C, adjustment current density is 2.0~4.0 A/dm2。
2. a kind of nano particle as claimed in claim 1 adulterates the preparation method of electro-galvanized layer, it is characterized in that, electroplate liquid includes
Following components：
The g/L of zinc oxide 10
The g/L of NaOH 120
The ml/L of ZN-500 brighteners 150
The low areas of ZN-500 walk the ml/L of agent 2
The ml/L of ZN-500 cleaners 1
The ml/L of ZN-500 water quality treatment agents 1
The g/L of titanium dioxide nanoparticle 1.5
Deionized water surplus.
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| CN110760916B (en) * | 2019-11-18 | 2022-04-05 | 和县科嘉阀门铸造有限公司 | Method for improving corrosion resistance of magnesium alloy valve |
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