CN103789758A - Zinc-coating golden yellow passivating agent and preparation method and passivating treatment method thereof - Google Patents
Zinc-coating golden yellow passivating agent and preparation method and passivating treatment method thereof Download PDFInfo
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Abstract
The invention provides a zinc-coating golden yellow passivating agent and a preparation method and passivating treatment method thereof. The zinc-coating golden yellow passivating agent comprises a agent A and a agent B which are independently preserved, wherein the agent A comprises the following components with content by weight: 50-300 g/L of chromic anhydride, 100-500 g/L of film-forming accelerants, 20-100 g/L of yellow film accelerants and the balance of water; the agent B comprises the following components with content by weight: 20-200 g/L of hole sealing agents, 100-400 g/L of film quick-drying agents,50-200 g/L of orange lake and the balance of water. The invention also provides the preparation method and passivating treatment method of the zinc-coating golden yellow passivating agent. The zinc-coating golden yellow passivating agent provided by the invention fills the blank of the zinc-coating golden yellow passivating agent for hardware and decorations, and solves the problem of zinc-coating golden yellow passivation of the hardware and the decorations.
Description
Technical field
The present invention relates to Passivation Treatment and deactivating process for the treatment of, particularly golden yellow passivator of a kind of zinc coating and preparation method thereof and deactivating process for the treatment of.
Background technology
In order to improve the solidity to corrosion of steel piece, conventionally carry out zinc-plated on its surface or go alloy treatment.For zinc coating, zinc belongs to more active metal, and chemical reaction all very easily occurs for it and acidic substance, alkaline matter, so if do not take Passivation Treatment measure after zinc-plated, the phenomenons such as chemical stain, destruction, corrosion will occur very soon for it.For further raising coating Corrosion Protection and ornamental, tradition adopts the techniques such as the brushing paint of electrostatic powder coating and high pollution environment, but the rear coating film of the permanent use of above technique and coat of painting easily come off.
In order further to improve coating Corrosion Protection and ornamental, coating must carry out Passivation Treatment, and to produce, one deck solidity to corrosion is high, the passive film of good decorative property.For a long time, passivation after plating and surface treatment is the chromating that adopts sexavalence always, but the golden yellow Passivation Treatment of handware and ornament zinc coating is the blank of Passivation Treatment always, and the toxic substances such as existing chromium passivating agent is mercurous, plumbous, cadmium and phenylate class, damage human body and environment.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the invention provides golden yellow passivator of a kind of zinc coating and preparation method thereof and deactivating process for the treatment of, fill up the blank of the golden yellow passivator of handware and ornament zinc coating.
Technical scheme of the present invention is achieved in that a kind of golden yellow passivator of zinc coating, comprises independent A agent and B agent of preserving separately; The each component of described A agent and content are as follows: chromic trioxide 50～300g/L, and film forming accelerating 100～500g/L, yellow film promotor 20～100g/L, all the other are water; The each component of described B agent and content are as follows: sealing of hole encapsulant 20～200g/L, and rete quick dry agent 100～400g/L, orange red 50～200g/L, all the other are water.
Wherein, preferably, described film forming accelerating is salt compounded of iodine.
Wherein, preferably, described yellow film promotor is ammonium chloride.
Wherein, preferably, described sealing of hole encapsulant is made up of the polyvinyl alcohol of 10～100g/L and the lithium silicate of 10～100g/L.
Wherein, preferably, described rete quick dry agent is dehydrated alcohol.
A kind of preparation method of golden yellow passivator of zinc coating, the preparation method of described A agent comprises the following steps: appropriate water is added in enamel pot, turn on agitator, add chromic trioxide, after chromic trioxide dissolves completely, then add film forming accelerating, after promotor to be filmed is dissolved completely, add again yellow film promotor, then add water and be supplemented to full dose, obtain described A agent; The preparation method of described B agent comprises the following steps: first add rete quick dry agent, add again the water of equivalent in enamel pot, be heated to 90 ℃, turn on agitator, under constantly stirring, add lentamente sealing of hole encapsulant, after sealing of hole encapsulant dissolves completely, when solution is cooled to room temperature, add again orange red, add water again and be supplemented to full dose, obtain described B agent.
A kind of zinc coating passivation treatment process, the method comprises zinc coating is contacted with passivator, the golden yellow passivator that described passivator is above-mentioned zinc coating.
Wherein, preferably, described zinc coating first contacts with 2% A agent, then contacts with 2% B agent.
Wherein, preferably, described zinc coating also comprises washing and the step with 1% aqueous nitric acid bright dipping before contacting with described A agent.
Wherein, preferably, the temperature that described zinc coating contacts with 2% B agent is 45～55 ℃, and passivation time is 50～70 seconds.
Beneficial effect of the present invention:
1. zinc coating is after Passivation Treatment of the present invention, passive film color is the golden yellow of full light, this passivator color is transparent shiny red liquid, use range broadness, it is irreplaceable a kind of passivation color that modern handware is decorated, outward appearance is not only good-looking but also increased anti-raw the embroidery and resistance to corrosion of workpiece, has filled up the blank of the golden yellow passivator of handware and ornament zinc coating, for the golden yellow passivation of handware and ornament zinc coating has from now on solved this worry.
2. the A agent of passivator of the present invention is also for the colour film Passivation Treatment of zn-ni alloy deposits and zn-fe alloy coating, and zn-ni alloy deposits and zn-fe alloy coating can obtain the colored passive films that the five colours are bright-coloured after this product Passivation Treatment.
3. the techniques such as the brushing paint of traditional electrostatic powder coating and high pollution environment have been substituted, the birth of passivator of the present invention, for produce the business circles of handware and electroplating industry solved outward appearance should be good-looking product with low cost again, obtained the consistent approval of handware and electroplating industry business circles.
4. the present invention's production cost of filling a prescription is low, easy and simple to handle, and user uses more convenient.
Embodiment
Below the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
A golden yellow passivator for zinc coating, comprises independent A agent and B agent of preserving separately; The each component of described A agent and content are as follows: chromic trioxide 50～300g/L, and film forming accelerating 100～500g/L, yellow film promotor 20～100g/L, all the other are water; The each component of described B agent and content are as follows: sealing of hole encapsulant 20～200g/L, and rete quick dry agent 100～400g/L, orange red 50～200g/L, all the other are water.
The preparation method of described A agent comprises the following steps: appropriate water is added in enamel pot, turn on agitator, add chromic trioxide, after chromic trioxide dissolves completely, add again film forming accelerating, after promotor to be filmed is dissolved completely, then add yellow film promotor, add water again and be supplemented to full dose, obtain described A agent; The preparation method of described B agent comprises the following steps: first add rete quick dry agent, add again the water of equivalent in enamel pot, be heated to 90 ℃, turn on agitator, under constantly stirring, add lentamente sealing of hole encapsulant, after sealing of hole encapsulant dissolves completely, when solution is cooled to room temperature, add again orange red, add water again and be supplemented to full dose, obtain described B agent.
A kind of zinc coating passivation treatment process, the method comprises zinc coating is contacted with passivator, the golden yellow passivator that described passivator is above-mentioned zinc coating.
In following embodiment, film forming accelerating is salt compounded of iodine, and yellow film promotor is ammonium chloride, and sealing of hole encapsulant is made up of polyvinyl alcohol and lithium silicate, and rete quick dry agent is dehydrated alcohol.
In the present invention, film forming accelerating also can be other film forming accelerating conventional in passivator, yellow film promotor, sealing of hole encapsulant also can be other sealing of hole encapsulant conventional in passivator, and rete quick dry agent also can be other rete quick dry agent conventional in passivator.
In following embodiment, chromic trioxide content 99.8%, salt compounded of iodine content 99%, ammonium chloride content 98%, polyvinyl alcohol content 98%, potassium silicate content 98%, dehydrated alcohol 98%, orange red content 98%.
Embodiment 1
The present embodiment discloses a kind of golden yellow passivator of zinc coating, comprises independent A agent and B agent of preserving separately; The each component of described A agent and content are as follows: chromic trioxide 150g/L, and film forming accelerating 200g/L, yellow film promotor 40g/L, all the other are water; The each component of described B agent and content are as follows: sealing of hole encapsulant 35g/L, and rete quick dry agent 200g/L, orange red 150g/L, all the other are water.
The preparation method of the A agent in the golden yellow passivator of above-mentioned zinc coating comprises the following steps: 150ml water is added in enamel pot, turn on agitator, add chromic trioxide 150g, after chromic trioxide dissolves completely, add again salt compounded of iodine 200g, after salt compounded of iodine dissolves completely, then add ammonium chloride 40g, benefit adds water to 1L, obtains described A agent; The preparation method of described B agent comprises the following steps: first add dehydrated alcohol 200g, add again 200g water in enamel pot, be heated to 90 ℃, turn on agitator adds lentamente polyvinyl alcohol under constantly stirring, after polyvinyl alcohol dissolves completely, add again lithium silicate 20g, after lithium silicate dissolves completely, in the time that solution is cooled to room temperature, add again orange red, add water again and mend to 1L, obtain described B agent.
Film forming accelerating is edible iodized salt in the present embodiment; Yellow film promotor is ammonium chloride; Sealing of hole encapsulant is that 15g/L polyvinyl alcohol and content are that 20g/L lithium silicate forms by content; Rete quick dry agent is dehydrated alcohol.
Embodiment 2
The present embodiment discloses a kind of golden yellow passivator of zinc coating, comprises independent A agent and B agent of preserving separately; The each component of described A agent and content are as follows: chromic trioxide 50g/L, and film forming accelerating 100g/L, yellow film promotor 20g/L, all the other are water; The each component of described B agent and content are as follows: sealing of hole encapsulant 20g/L, and rete quick dry agent 100g/L, orange red 50g/L, all the other are water.
The preparation method of the A agent in the golden yellow passivator of above-mentioned zinc coating comprises the following steps: 100ml water is added in enamel pot, turn on agitator, add chromic trioxide 50g, after chromic trioxide dissolves completely, add again salt compounded of iodine 100g, after salt compounded of iodine dissolves completely, then add ammonium chloride 20, add water to again 1L, obtain described A agent; The preparation method of described B agent comprises the following steps: first add dehydrated alcohol 100g, add again 100g water in enamel pot, be heated to 90 ℃, turn on agitator adds lentamente polyvinyl alcohol 10g under constantly stirring, after polyvinyl alcohol dissolves completely, add again lithium silicate 10g, after lithium silicate dissolves completely, in the time that solution is cooled to room temperature, add again orange red 50g, add water again and be supplemented to 1L, obtain described B agent.
Film forming accelerating is edible iodized salt in the present embodiment; Yellow film promotor is ammonium chloride; Sealing of hole encapsulant is that 10g/L polyvinyl alcohol and content are that 10g/L lithium silicate forms by content; Rete quick dry agent is dehydrated alcohol.
Embodiment 3
The present embodiment discloses a kind of golden yellow passivator of zinc coating, comprises independent A agent and B agent of preserving separately; The each component of described A agent and content are as follows: chromic trioxide 300g/L, and film forming accelerating 500g/L, yellow film promotor 100g/L, all the other are water; The each component of described B agent and content are as follows: sealing of hole encapsulant 200g/L, and rete quick dry agent 400g/L, orange red 200g/L, all the other are water.
The preparation method of the A agent in the golden yellow passivator of above-mentioned zinc coating comprises the following steps: 600ml water is added in enamel pot, turn on agitator, add chromic trioxide 300g, after chromic trioxide dissolves completely, add again salt compounded of iodine 500g, after salt compounded of iodine dissolves completely, then add ammonium chloride 100g, add water to again 1L, obtain described A agent; The preparation method of described B agent comprises the following steps: first add dehydrated alcohol 400g, add again 400g water in enamel pot, be heated to 90 ℃, turn on agitator adds lentamente polyvinyl alcohol 100g under constantly stirring, after polyvinyl alcohol dissolves completely, add again lithium silicate 100g, after lithium silicate dissolves completely, in the time that solution is cooled to room temperature, add again orange red 200g, add water again and be supplemented to 1L, obtain described B agent.
Film forming accelerating is edible iodized salt in the present embodiment; Yellow film promotor is ammonium chloride; Sealing of hole encapsulant is that 100g/L polyvinyl alcohol and 100g/L lithium silicate form by content; Rete quick dry agent is dehydrated alcohol.
Embodiment 4
The present embodiment discloses a kind of golden yellow passivator of zinc coating, comprises independent A agent and B agent of preserving separately; The each component of described A agent and content are as follows: chromic trioxide 200g/L, and film forming accelerating 300g/L, yellow film promotor 30g/L, all the other are water; The each component of described B agent and content are as follows: sealing of hole encapsulant 80g/L, and rete quick dry agent 300g/L, orange red 100g/L, all the other are water.
The preparation method of the A agent in the golden yellow passivator of above-mentioned zinc coating comprises the following steps: the water of 600ml is added in enamel pot, turn on agitator, add chromic trioxide 200g, after chromic trioxide dissolves completely, add again salt compounded of iodine 300g, after salt compounded of iodine dissolves completely, then add ammonium chloride 30g, add water again and be supplemented to 1L, obtain described A agent; The preparation method of described B agent comprises the following steps: first add dehydrated alcohol 300g, add again the water of 300g in enamel pot, be heated to 90 ℃, turn on agitator adds lentamente polyvinyl alcohol 40g under constantly stirring, after polyvinyl alcohol dissolves completely, add again lithium silicate 40g, after lithium silicate dissolves completely, in the time that solution is cooled to room temperature, add again orange red 100g, add water again and be supplemented to 1L, obtain described B agent
Film forming accelerating is edible iodized salt in the present embodiment; Yellow film promotor is ammonium chloride; The polyvinyl alcohol that sealing of hole encapsulant is 40g/L by content and the lithium silicate of 40g/L form; Rete quick dry agent is dehydrated alcohol.
Embodiment 5
The present embodiment discloses a kind of golden yellow passivator of zinc coating, comprises independent A agent and B agent of preserving separately; The each component of described A agent and content are as follows: chromic trioxide 250g/L, and film forming accelerating 400g/L, yellow film promotor 70g/L, all the other are water; The each component of described B agent and content are as follows: sealing of hole encapsulant 130g/L, and rete quick dry agent 150g/L, orange red 180g/L, all the other are water.
The preparation method of the A agent in the golden yellow passivator of above-mentioned zinc coating comprises the following steps: 700ml water is added in enamel pot, turn on agitator, add chromic trioxide 250g, after chromic trioxide dissolves completely, add again salt compounded of iodine 400g, after salt compounded of iodine dissolves completely, then add ammonium chloride 70g, add water again and be supplemented to 1L, obtain described A agent; The preparation method of described B agent comprises the following steps: first add dehydrated alcohol 150g, add again 150g water in enamel pot, be heated to 90 ℃, turn on agitator adds lentamente polyvinyl alcohol 60g under constantly stirring, after polyvinyl alcohol dissolves completely, add again lithium silicate 70g, after lithium silicate dissolves completely, in the time that solution is cooled to room temperature, add again orange red 180g, add water again and be supplemented to 1L, obtain described B agent.
Film forming accelerating is edible iodized salt in the present embodiment; Yellow film promotor is ammonium chloride; Sealing of hole encapsulant is that 60g/L polyvinyl alcohol and 70g/L lithium silicate form by content; Rete quick dry agent is dehydrated alcohol.
Application examples 1
Passivation operation technique:
Galvanized workpiece rust cleaning oil removing → washing → workpiece carries out electro-galvanizing → taking-up and wash the golden yellow passivation sealing treatment of the golden yellow Passivation Treatment → washing of → 1% aqueous nitric acid bright dipping → carry out → carry out → dry up or naturally dry → golden yellow passivation finished product in A agent solution in B agent solution.
In the present embodiment, passivator used is the passivator that embodiment 1 makes.
Wherein, the concrete technology that carries out golden yellow Passivation Treatment in A agent solution is: get 1 part of the golden yellow passivator A of this product agent in deactivation slot, add 50 parts, clear water, stir, galvanized workpiece passivation in this passivator is taken out for 60 seconds.
The concrete technology that carries out golden yellow passivation sealing treatment in B agent solution is: get 1 part of the golden yellow passivator B of this product agent in deactivation slot, add 10 parts, clear water, stir, be heated to 50 ℃, galvanized workpiece passivation in this passivator is taken out for 60 seconds.
Application examples 2
Passivation operation technique:
Galvanized workpiece rust cleaning oil removing → washing → workpiece carries out electro-galvanizing → taking-up and wash the golden yellow passivation sealing treatment of the golden yellow Passivation Treatment → washing of → 1% aqueous nitric acid bright dipping → carry out → carry out → dry up or naturally dry → golden yellow passivation finished product in A agent solution in B agent solution.
In the present embodiment, passivator used is the passivator that embodiment 2 makes.
Wherein, the concrete technology that carries out golden yellow Passivation Treatment in A agent solution is: get 2 parts of the golden yellow passivator A of this product agent in deactivation slot, add 50 parts, clear water, stir, galvanized workpiece passivation in this passivator is taken out for 60 seconds.
The concrete technology that carries out golden yellow passivation sealing treatment in B agent solution is: get 1 part of the golden yellow passivator B of this product agent in deactivation slot, add 10 parts, clear water, stir, be heated to 45 ℃, galvanized workpiece passivation in this passivator is taken out for 60 seconds.
Application examples 3
Passivation operation technique:
Galvanized workpiece rust cleaning oil removing → washing → workpiece carries out electro-galvanizing → taking-up and wash the golden yellow passivation sealing treatment of the golden yellow Passivation Treatment → washing of → 1% aqueous nitric acid bright dipping → carry out → carry out → dry up or naturally dry → golden yellow passivation finished product in A agent solution in B agent solution.
In the present embodiment, passivator used is the passivator that embodiment 3 makes.
Wherein, the concrete technology that carries out golden yellow Passivation Treatment in A agent solution is: get 2 parts of the golden yellow passivator A of this product agent in deactivation slot, add 50 parts, clear water, stir, galvanized workpiece passivation in this passivator is taken out for 60 seconds.
The concrete technology that carries out golden yellow passivation sealing treatment in B agent solution is: get 1 part of the golden yellow passivator B of this product agent in deactivation slot, add 10 parts, clear water, stir, be heated to 55 ℃, galvanized workpiece passivation in this passivator is taken out for 60 seconds.
Application examples 4
Passivation operation technique:
Galvanized workpiece rust cleaning oil removing → washing → workpiece carries out electro-galvanizing → taking-up and wash the golden yellow passivation sealing treatment of the golden yellow Passivation Treatment → washing of → 1% aqueous nitric acid bright dipping → carry out → carry out → dry up or naturally dry → golden yellow passivation finished product in A agent solution in B agent solution.
In the present embodiment, passivator used is the passivator that embodiment 4 makes.
Wherein, the concrete technology that carries out golden yellow Passivation Treatment in A agent solution is: get 1 part of the golden yellow passivator A of this product agent in deactivation slot, add 50 parts, clear water, stir, galvanized workpiece passivation in this passivator is taken out for 60 seconds.
The concrete technology that carries out golden yellow passivation sealing treatment in B agent solution is: get 1 part of the golden yellow passivator B of this product agent in deactivation slot, add 10 parts, clear water, stir, be heated to 45 ℃, galvanized workpiece passivation in this passivator is taken out for 60 seconds.
Application examples 5
Passivation operation technique:
Galvanized workpiece rust cleaning oil removing → washing → workpiece carries out electro-galvanizing → taking-up and wash the golden yellow passivation sealing treatment of the golden yellow Passivation Treatment → washing of → 1% aqueous nitric acid bright dipping → carry out → carry out → dry up or naturally dry → golden yellow passivation finished product in A agent solution in B agent solution.
In the present embodiment, passivator used is the passivator that embodiment 5 makes.
Wherein, the concrete technology that carries out golden yellow Passivation Treatment in A agent solution is: get 1 part of the golden yellow passivator A of this product agent in deactivation slot, add 50 parts, clear water, stir, galvanized workpiece passivation in this passivator is taken out for 60 seconds.
The concrete technology that carries out golden yellow passivation sealing treatment in B agent solution is: get 1 part of the golden yellow passivator B of this product agent in deactivation slot, add 10 parts, clear water, stir, be heated to 45 ℃, galvanized workpiece passivation in this passivator is taken out for 60 seconds.
Application examples 6
Should adopt embodiment 1 to make the A agent in passivator by use-case, for the colour film Passivation Treatment of zn-ni alloy deposits and zn-fe alloy coating, zn-ni alloy deposits and zn-fe alloy coating can obtain the colored passive films that the five colours are bright-coloured after this product Passivation Treatment.
Get 1 part of A agent in deactivation slot, add 30 parts, clear water, stir, the passivation in this passivator of zinc-nickel alloy part is taken out for 15 seconds, has obtained the colored passive films of full light.
The golden yellow passivation finished product of above-mentioned application examples is carried out to resistance measurement, 9NSS SaltSprayTest and sticking power test.
The object of resistance measurement is to determine electronics, the electromagnetism conductive properties of passive film by measuring resistance sizes.Because electronics 3C Product produces some unused micro-electric currents in normal use procedure, especially mobile phone component, also likely produce some hertzian wave, if when alloy passivation processing rear surface resistance is lower, can be easier to make electric current, hertzian wave to disperse, drain into other place and go, be unlikely to life-time service person to cause certain hidden danger.So resistance determines electronics, the electromagnetism conductive properties of passive film.
Be beneficial to the UT51MULTIMETER digital multimeter that UN1-T produces, product cornerwise both ends region point is tested.
The object of 9NSS SaltSprayTest is by SaltSprayTest, according to the size of passive film corroded area, judges the anti-corrosion effect of its passivation.
In temperature is the laboratory of 35 ℃, the product making is placed in salt fog cabinet, at 46 ℃, be that 7.0 temperature are that the sodium chloride brine of 5 ± 0.5 % by weight of 35 ℃ is sprayed with the air pressure of 1.0 ± 0.025 kilogram force/square centimeters with pH.Spraying sample after 8 hours, after taking-up dries up, observing sample, the corroded area that records sample surfaces accounts for the per-cent of the product total area.
Sticking power test utilizes ASTM D3359-93 method, the paint adhesive ability of test passive film.
The passivation product of coating paint vehicle is made to 6 tangent lines with cutter with the interval of 2mm, gently grind cutting edge with fine oil stone, with above-mentioned 6 directions that tangent line is vertical, cut other 6 tangent lines at the 2mm interval crossing with above-mentioned 6 tangent lines, make grid, above-mentioned tangent line is all cut enamelled coating.By the soft above-mentioned grid region of brush outwash, then be stained with adhesive tape, and rub on adhesive tape with rubber adhesive tape is contacted with the good of paint film, within 30-90 second, catch the free end of adhesive tape, to approach as far as possible the angle of 180 °, pull-up adhesive tape fast, the dropping situations that checks coating on bottom or front one deck with illuminated magnifier, is divided into following grade according to the area that comes off:
The edge of 5B cutting is completely smooth, and the region in grid does not all come off;
4B has coming off of small portion in the point of crossing of coating, and the area coming off is less than whole cutting zone 5%;
3B has the material of small portion to come off along the edge in the point of crossing of cutting, and the area coming off is in 5～15% scopes of whole region.
2B has the material of part to come off along the edge of cutting or in the region of cutting, and the area coming off is in whole cutting zone 15～35 scopes.
1B has expanse of material to come off along the edge of cutting or the material of all zones comes off, and the area coming off is in whole cutting 35～65% scopes;
The area that 0B comes off is greater than whole cutting zone > 65%.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a golden yellow passivator for zinc coating, is characterized in that, comprises independent A agent and B agent of preserving separately; The each component of described A agent and content are as follows: chromic trioxide 50～300g/L, and film forming accelerating 100～500g/L, yellow film promotor 20～100g/L, all the other are water; The each component of described B agent and content are as follows: sealing of hole encapsulant 20～200g/L, and rete quick dry agent 100～400g/L, orange red 50～200g/L, all the other are water.
2. the golden yellow passivator of a kind of zinc coating according to claim 1, is characterized in that, described film forming accelerating is salt compounded of iodine.
3. the golden yellow passivator of a kind of zinc coating according to claim 1, is characterized in that, described yellow film promotor is ammonium chloride.
4. the golden yellow passivator of a kind of zinc coating according to claim 1, is characterized in that, described sealing of hole encapsulant is made up of the polyvinyl alcohol of 10～100g/L and the lithium silicate of 10～100g/L.
5. the golden yellow passivator of a kind of zinc coating according to claim 1, is characterized in that, described rete quick dry agent is dehydrated alcohol.
6. the preparation method of the golden yellow passivator of the zinc coating described in claim 1～5 any one, it is characterized in that, the preparation method of described A agent comprises the following steps: appropriate water is added in enamel pot, and turn on agitator, adds chromic trioxide, after chromic trioxide dissolves completely, add again film forming accelerating, after promotor to be filmed is dissolved completely, then add yellow film promotor, add water again and be supplemented to full dose, obtain described A agent; The preparation method of described B agent comprises the following steps: first add rete quick dry agent, add again the water of equivalent in enamel pot, be heated to 90 ℃, turn on agitator, under constantly stirring, add lentamente sealing of hole encapsulant, after sealing of hole encapsulant dissolves completely, when solution is cooled to room temperature, add again orange red, add water again and be supplemented to full dose, obtain described B agent.
7. a zinc coating passivation treatment process, the method comprises zinc coating is contacted with passivator, it is characterized in that: described passivator is the golden yellow passivator of the zinc coating described in claim 1～5 any one.
8. a kind of zinc coating passivation treatment process according to claim 7, is characterized in that: described zinc coating first contacts with 1～2% A agent, then contacts with 1～2% B agent.
9. a kind of zinc coating passivation treatment process according to claim 8, is characterized in that: described zinc coating also comprises washing and the step with 1% aqueous nitric acid bright dipping before contacting with described A agent.
10. a kind of zinc coating passivation treatment process according to claim 8, is characterized in that: the temperature that described zinc coating contacts with 1～2% B agent is 45～55 ℃, and passivation time is 50～70 seconds.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972068A (en) * | 2019-03-04 | 2019-07-05 | 京信通信系统（中国）有限公司 | Method for anticorrosion treatment, anti-corrosion electric conducting component and the equipment of component |
| CN110184594A (en) * | 2019-05-29 | 2019-08-30 | 宁波亚大金属表面处理有限公司 | A kind of barrel plating technique of trivalent Huang zinc |
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| CN109972068A (en) * | 2019-03-04 | 2019-07-05 | 京信通信系统（中国）有限公司 | Method for anticorrosion treatment, anti-corrosion electric conducting component and the equipment of component |
| CN110184594A (en) * | 2019-05-29 | 2019-08-30 | 宁波亚大金属表面处理有限公司 | A kind of barrel plating technique of trivalent Huang zinc |
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| CN103789758B (en) | 2016-09-07 |
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