CN107345296B - Steel iron phosphatising technique - Google Patents
Steel iron phosphatising technique Download PDFInfo
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- CN107345296B CN107345296B CN201710606796.9A CN201710606796A CN107345296B CN 107345296 B CN107345296 B CN 107345296B CN 201710606796 A CN201710606796 A CN 201710606796A CN 107345296 B CN107345296 B CN 107345296B
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/78—Pretreatment of the material to be coated
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/78—Pretreatment of the material to be coated
- C23C22/80—Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/083—Iron or steel solutions containing H3PO4
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The present invention relates to a kind of steel iron phosphatising techniques, it is comprised the following steps that: (1) removing grease;(2) it washes;(3) pickling;(4) secondary washing;(5) it neutralizes;(6) surface adjusts: the steel through step (5) being put into 40-45 DEG C of surface adjustment liquid and handles 1-2min;The composition of the surface adjustment liquid are as follows: contain surface conditioner 0.08-0.3kg in the every surface 100L adjustment liquid, surplus is water;Prepare the raw material of surface conditioner, it counts by ratio of weight and the number of copies, comprising: 200-250 parts of water, 60-80 parts of disodium hydrogen phosphate, 40-60 parts of sodium tripolyphosphate, 2-5 parts of sodium hydroxide, 5-8 parts of potassium fluotitanate, 10-25 parts of aminotrimethylenephosphonic acid, 2-5 parts of sodium pyrophosphate;The phosphating process can in lower phosphatization temperature and can be completed in the short time conversion film whole growth courses and membrane crystallization dense uniform, adhesive force it is strong.
Description
Technical field
The present invention relates to a kind of steel iron phosphatising techniques.
Background technique
Steel iron phosphatising is that the steel that will have been pre-processed enters in phosphating solution, make steel surface deposit to be formed one layer it is not soluble in water
Crystal type phosphate conversion film process.However, traditional method for bonderizing is formed by, film layer is thicker, phosphatization membrane crystallization is thicker
Greatly, phosphating time is long and workpiece easily returns rust after phosphatization.
Summary of the invention
The purpose of the present invention is to provide a kind of simple process, phosphating time is short, phosphatization mild condition and capable of making to be formed
Membrane crystallization dense uniform steel iron phosphatising technique.
The purpose of the present invention is achieved through the following technical solutions: a kind of steel iron phosphatising technique, it is comprised the following steps that:
(1) it removes grease: steel being placed in the cleaning solution that temperature is 40-50 DEG C, impregnate 2-5min;
(2) it washes: will be transferred in the supersonic cleaning machine for fill water after ultrasound 5-10min through the steel except grease, taking-up is dried in the air
It is dry;
(3) pickling: 2- will be impregnated in the pickling solution for being 25-60 DEG C through step (2) treated steel is transferred to temperature
5min;
(4) secondary washing: will through step (3) treated be transferred to after steel is rinsed with water 5-7min fill water ultrasound it is clear
In washing machine after ultrasound 3-5min, taking-up is dried;
(5) neutralize: will through step (4) treated that steel is put into fills the neutralization chamber of 0.2%-0.5% soda ash aqueous solution
In, after impregnating 3-5min, then it is rinsed with water 2-3min;
(6) surface adjusts: will be through handling 1- in step (5) treated steel is put into 40-45 DEG C of surface adjustment liquid
2min;The composition of the surface adjustment liquid are as follows: be containing surface conditioner 0.08-0.3kg, surplus in the every surface 100L adjustment liquid
Water;
Wherein, the raw material for preparing surface conditioner, is counted by ratio of weight and the number of copies, comprising: 200-250 parts of water, disodium hydrogen phosphate
60-80 parts, 40-60 parts of sodium tripolyphosphate, 2-5 parts of sodium hydroxide, 5-8 parts of potassium fluotitanate, aminotrimethylenephosphonic acid 10-25
Part, 2-5 parts of sodium pyrophosphate.
(7) phosphatization: 3- will be handled in the Zinc phosphating solution for being 25-45 DEG C through step (6) treated steel is placed in temperature
5min;It is dry after washing 2-3min later.
For the prior art, the present invention has the advantages that
Steel iron phosphatising technique of the invention can make steel surface fast filming, in lower phosphatization temperature and in the short time
Whole growth courses of conversion film can be completed, and membrane crystallization dense uniform, adhesive force are strong and have significant corrosion resistance.
Surface adjustment liquor of the invention has the function of extremely strong anti-rust staining, when can reduce phosphatization temperature and shortening phosphatization
Between, and can be improved the quality of phosphating coat, eliminate the defects of corrosion caused by alkaline degreasing or acid pickling and rust removing is uneven, increase nucleus
Quantity, the compactness for improving phosphating coat and corrosion stability, the appearance for improving phosphating coat;Surface adjustment liquor of the invention also has and makes
With the service life is long, performance is stable, does not select the advantages of water quality.
Specific embodiment
The content of present invention is described in detail below with reference to embodiment:
A kind of steel iron phosphatising technique, it is characterised in that: it is comprised the following steps that:
(1) it removes grease: steel being placed in the cleaning solution that temperature is 40-50 DEG C, impregnate 2-5min;
(2) it washes: will be transferred in the supersonic cleaning machine for fill water after ultrasound 5-10min through the steel except grease, taking-up is dried in the air
It is dry;
(3) pickling: 2- will be impregnated in the pickling solution for being 25-60 DEG C through step (2) treated steel is transferred to temperature
5min;
(4) secondary washing: will through step (3) treated be transferred to after steel is rinsed with water 5-7min fill water ultrasound it is clear
In washing machine after ultrasound 3-5min, taking-up is dried;
(5) neutralize: will through step (4) treated that steel is put into fills the neutralization chamber of 0.2%-0.5% soda ash aqueous solution
In, after impregnating 3-5min, then it is rinsed with water 2-3min;
(6) surface adjusts: will be through handling 1- in step (5) treated steel is put into 40-45 DEG C of surface adjustment liquid
2min;The composition of the surface adjustment liquid are as follows: be containing surface conditioner 0.08-0.3kg, surplus in the every surface 100L adjustment liquid
Water;
Wherein, the raw material for preparing surface conditioner, is counted by ratio of weight and the number of copies, comprising: 200-250 parts of water, disodium hydrogen phosphate
60-80 parts, 40-60 parts of sodium tripolyphosphate, 2-5 parts of sodium hydroxide, 5-8 parts of potassium fluotitanate, aminotrimethylenephosphonic acid 10-25
Part, 2-5 parts of sodium pyrophosphate.The water is preferably deionized water.
The surface conditioner it is specific the preparation method comprises the following steps: load weighted deionized water is heated to 65-70 DEG C.Then one
Disodium hydrogen phosphate, sodium tripolyphosphate and sodium hydroxide are added sequentially in the deionization after heating by side stirring on one side, later
100 DEG C or so are warming up to, potassium fluotitanate and aminotrimethylenephosphonic acid is then added, stirs 20-30min, burnt phosphorus is added later
Sour sodium, is stirred for 10-15min, forms cooling after uniform mixture.
(7) phosphatization: 3- will be handled in the Zinc phosphating solution for being 25-45 DEG C through step (6) treated steel is placed in temperature
5min;It is dry after washing 2-3min later.
In step (1), the composition of the cleaning solution are as follows: contain sodium metasilicate 4-6g, sodium tripolyphosphate 10- in every 1L cleaning solution
15g, sodium carbonate 4-6g, nonylphenol polyoxyethylene ether 0.1-0.3g, fatty alcohol polyoxyethylene ether AEO-9 0.3-0.5g, dodecane
Base benzene sulfonic acid sodium salt 4-8g, perfluorobutyl potassium sulfonate 0.3-0.5g, surplus are water.
The cleaning solution can rapidly remove the grease of surface of steel workpiece.
In step (3), the pickling solution includes the component of following parts by weight proportion: 5-25 parts of phosphatase 11,4- amino -3-
2-4 parts of diazanyl -5- sulfydryl -1,2,4- triazole, cis- 10-12 parts of oleic acid base amine ethyl imidazol(e) quinoline, second dimethylene -1,2- are double
3-5 parts of (cetyl dimethyl ammonium bromide), 20-30 parts of n-butanol, 15-20 parts of water.The pickling solution can rapidly remove steel
The dirt (including rusty stain, metal contamination, scale oxide skin etc.) of workpiece surface, each component in the pickling solution can assist mutually
It plays a role together, it is weak to the corrosivity of iron and steel parts and metal equipment, it is able to extend the service life of equipment.In addition, this
The pickling chemistry of invention is stablized, and is a kind of environmental-friendly multipurpose pickling solution, meets environmentally protective requirement.
Embodiment one:
A kind of preparation of surface adjustment liquid: it the following steps are included:
(1) preparation of surface conditioner: based on parts by weight, load weighted 220 parts of deionized waters are heated to 70 DEG C.So
After 70 parts of disodium hydrogen phosphates, 50 parts of sodium tripolyphosphates and 4 parts of sodium hydroxides are added sequentially to heating while stirring afterwards
Deionization in, be warming up to 100 DEG C or so later, 6 parts of potassium fluotitanates and 20 parts of aminotrimethylenephosphonic acid, stirring be then added
4 parts of sodium pyrophosphates are added later, are stirred for 12min by 25min, form cooling after uniform mixture.
(2) surface conditioner made from 0.2kg step (1) is taken, is added in the water of 50L and stirs evenly, add later
Suitable water is settled to 100L and adjusts liquid to get the surface.
Embodiment two:
A kind of preparation of surface adjustment liquid: it the following steps are included:
(1) preparation of surface conditioner: based on parts by weight, load weighted 250 parts of deionized waters are heated to 65 DEG C.So
After 60 parts of disodium hydrogen phosphates, 40 parts of sodium tripolyphosphates and 2 parts of sodium hydroxides are added sequentially to heating while stirring afterwards
Deionization in, be warming up to 100 DEG C or so later, 5 parts of potassium fluotitanates and 10 parts of aminotrimethylenephosphonic acid, stirring be then added
2 parts of sodium pyrophosphates are added later, are stirred for 10min by 20min, form cooling after uniform mixture.
(2) surface conditioner made from 0.3kg step (1) is taken, is added in the water of 50L and stirs evenly, add later
Suitable water is settled to 100L and adjusts liquid to get the surface.
Embodiment three:
A kind of preparation of surface adjustment liquid: it the following steps are included:
(1) preparation of surface conditioner: based on parts by weight, load weighted 200 parts of deionized waters are heated to 68 DEG C.So
After 80 parts of disodium hydrogen phosphates, 60 parts of sodium tripolyphosphates and 5 parts of sodium hydroxides are added sequentially to heating while stirring afterwards
Deionization in, be warming up to 100 DEG C or so later, 8 parts of potassium fluotitanates and 25 parts of aminotrimethylenephosphonic acid, stirring be then added
5 parts of sodium pyrophosphates are added later, are stirred for 15min by 30min, form cooling after uniform mixture.
(2) surface conditioner made from 0.08kg step (1) is taken, is added in the water of 50L and stirs evenly, add later
Suitable water is settled to 100L and adjusts liquid to get the surface.
Example IV:
A kind of steel iron phosphatising technique, it is comprised the following steps that:
(1) it removes grease: steel being placed in the cleaning solution that temperature is 40 DEG C, impregnate 5min;
(2) it washes: will be transferred in the supersonic cleaning machine for fill water after ultrasound 5min through the steel except grease, taking-up is dried;
(3) pickling: 5min will be impregnated in the pickling solution for being 25 DEG C through step (2) treated steel is transferred to temperature;
(4) secondary washing: will treated is transferred to after steel is rinsed with water 5min and fills the ultrasonic cleaning of water through step (3)
In machine after ultrasound 5min, taking-up is dried;
(5) neutralize: will through step (4) treated that steel is put into the neutralization chamber for filling 0.2% soda ash aqueous solution, impregnate
After 5min, then it is rinsed with water 2min;
(6) surface adjusts: will treated that steel is put into that 40 DEG C of the resulting surface of embodiment one adjusts liquid through step (5)
Middle processing 2min;
(7) phosphatization: 5min will be handled in the Zinc phosphating solution for being 25 DEG C through step (6) treated steel is placed in temperature;
It is dry after washing 2min later.
Wherein in step (1), the composition of the cleaning solution are as follows: contain sodium metasilicate 4g, sodium tripolyphosphate in every 1L cleaning solution
15g, sodium carbonate 4g, nonylphenol polyoxyethylene ether 0.3g, fatty alcohol polyoxyethylene ether AEO-90.5g, neopelex
4g, perfluorobutyl potassium sulfonate 0.5g, surplus are water.
In step (3), the pickling solution includes the component of following parts by weight proportion: 5 parts of phosphatase 11,4- amino -3- hydrazine
4 parts of base -5- sulfydryl -1,2,4- triazole, cis- 10 parts of oleic acid base amine ethyl imidazol(e) quinoline, the bis- (cetyls of second dimethylene -1,2-
Ditallowdimethyl ammonium bromide) 5 parts, 20 parts of n-butanol, 20 parts of water.
Five-embodiment of embodiment ten:
In order to verify the effect of the resulting surface adjustment liquid of the present invention, it is real that the present inventor is carried out example five-
Apply the comparative test of example ten.Wherein, iron and steel parts used in five-embodiment of embodiment ten are through step in example IV (1)
Workpiece to after step (5), what surface adjustment liquid was selected is the adjustment of surface obtained by embodiment one liquid;Embodiment five is to implementation
Example seven is one group of parallel test, i.e. iron and steel parts first carry out phosphatization again after surface adjusts;And embodiment eight to embodiment ten is
Direct phosphating after one group of parallel test, i.e. iron and steel parts are neutralized.Under specific comparative experiments such as table:
Five-embodiment of embodiment seven: the iron and steel parts after neutralized step are put into 40 DEG C of the resulting table of embodiment one
It after handling 2min in face adjustment liquid, is placed in the Zinc phosphating solution that temperature is 25 DEG C, after a certain period of time, washing and drying is for processing
It can.
Embodiment eight is to embodiment ten: the iron and steel parts after neutralized step are placed directly within the zinc system phosphorus that temperature is 25 DEG C
Change in liquid, handles after a certain period of time, washing and drying.
Five-embodiment of embodiment ten the result is as follows:
Project | Embodiment five | Embodiment six | Embodiment seven | Embodiment eight | Embodiment nine | Embodiment ten |
Surface adjustment time | 2min | 2min | 2min | - | - | - |
Surface adjusts temperature | 40℃ | 40℃ | 40℃ | - | - | - |
The film time in phosphatization | 2min | 2min | 2min | 6min | 6min | 6min |
Phosphatization temperature | 25℃ | 25℃ | 25℃ | 25℃ | 25℃ | 25℃ |
Phosphating coat compactness | Even compact | Even compact | Even compact | It is sparse coarse | It is sparse coarse | It is sparse coarse |
Phosphatization film thickness | It is thin | It is thin | It is thin | It is thick | It is thick | It is thick |
Paint film neutral salt spray test | 1100h | 1100h | 1100h | 900h | 900h | 900h |
As can be known from the above table, the film time in phosphatization can be shortened to 2min from 6min by surface of the invention adjustment liquid;Coating
The paint film resistance to neutral salt spray time is promoted to 1100h from 900h afterwards, and phosphorization membrane is thinner finer and close, and it is mating to greatly strengthen coating
Property.
Comparative run purpose test method is as follows in upper table:
The compactness of phosphating coat: phosphating coat is amplified to 100~1000 times with metallographic microscope or electron microscope, observation
Crystal form, size and arrangement situation.Crystal form is preferably column crystal.Crystal size is smaller preferably, and general control exists
Tens microns hereinafter, arrangement it is more uniform, porosity is the smaller the better;
Phosphating coat neutral salt spray test: it is carried out according to GB 10125-1997 artificial atmosphere corrosion test salt spray test standard
Test;
Phosphatization film thickness: it is measured according to non-magnetic capping layer overburden cover in GB 4956-2003T magnetic matrix magnetic
Method is tested.
Embodiment 11:
A kind of steel iron phosphatising technique, it is comprised the following steps that:
(1) it removes grease: steel being placed in the cleaning solution that temperature is 45 DEG C, impregnate 3min;
(2) it washes: will be transferred in the supersonic cleaning machine for fill water after ultrasound 8min through the steel except grease, taking-up is dried;
(3) pickling: 3min will be impregnated in the pickling solution for being 40 DEG C through step (2) treated steel is transferred to temperature;
(4) secondary washing: will treated is transferred to after steel is rinsed with water 6min and fills the ultrasonic cleaning of water through step (3)
In machine after ultrasound 4min, taking-up is dried;
(5) neutralize: will through step (4) treated that steel is put into the neutralization chamber for filling 0.4% soda ash aqueous solution, impregnate
After 4min, then it is rinsed with water 2min;
(6) surface adjusts: will treated that steel is put into that 43 DEG C of the resulting surface of embodiment two adjusts liquid through step (5)
Middle processing 2min;
(7) phosphatization: 4min will be handled in the Zinc phosphating solution for being 30 DEG C through step (6) treated steel is placed in temperature;
It is dry after washing 2min later.
Wherein in step (1), the composition of the cleaning solution are as follows: contain sodium metasilicate 5g, sodium tripolyphosphate in every 1L cleaning solution
12g, sodium carbonate 5g, nonylphenol polyoxyethylene ether 0.2g, fatty alcohol polyoxyethylene ether AEO-90.4g, neopelex
7g, perfluorobutyl potassium sulfonate 0.4g, surplus are water.
In step (3), the pickling solution includes the component of following parts by weight proportion: 20 parts of phosphoric acid, 4- amino -3- hydrazine
3 parts of base -5- sulfydryl -1,2,4- triazole, cis- 11 parts of oleic acid base amine ethyl imidazol(e) quinoline, the bis- (cetyls of second dimethylene -1,2-
Ditallowdimethyl ammonium bromide) 4 parts, 25 parts of n-butanol, 18 parts of water.
Embodiment 12:
A kind of steel iron phosphatising technique, it is comprised the following steps that:
(1) it removes grease: steel being placed in the cleaning solution that temperature is 50 DEG C, impregnate 2min;
(2) it washes: will be transferred in the supersonic cleaning machine for fill water after ultrasound 10min through the steel except grease, taking-up is dried;
(3) pickling: 2min will be impregnated in the pickling solution for being 60 DEG C through step (2) treated steel is transferred to temperature;
(4) secondary washing: will treated is transferred to after steel is rinsed with water 7min and fills the ultrasonic cleaning of water through step (3)
In machine after ultrasound 3min, taking-up is dried;
(5) neutralize: will through step (4) treated that steel is put into the neutralization chamber for filling 0.5% soda ash aqueous solution, impregnate
After 3min, then it is rinsed with water 3min;
(6) surface adjusts: will treated that steel is put into that 45 DEG C of the resulting surface of embodiment three adjusts liquid through step (5)
Middle processing 1min;
(7) phosphatization: 3min will be handled in the Zinc phosphating solution for being 45 DEG C through step (6) treated steel is placed in temperature;
It is dry after washing 3min later.
Wherein in step (1), the composition of the cleaning solution are as follows: contain sodium metasilicate 6g, sodium tripolyphosphate in every 1L cleaning solution
10g, sodium carbonate 6g, nonylphenol polyoxyethylene ether 0.1g, fatty alcohol polyoxyethylene ether AEO-90.3g, neopelex
8g, perfluorobutyl potassium sulfonate 0.3g, surplus are water.
In step (3), the pickling solution includes the component of following parts by weight proportion: 25 parts of phosphoric acid, 4- amino -3- hydrazine
2 parts of base -5- sulfydryl -1,2,4- triazole, cis- 12 parts of oleic acid base amine ethyl imidazol(e) quinoline, the bis- (cetyls of second dimethylene -1,2-
Ditallowdimethyl ammonium bromide) 3 parts, 30 parts of n-butanol, 15 parts of water.
Claims (6)
1. a kind of steel iron phosphatising technique, it is characterised in that: it is comprised the following steps that:
(1) grease is removed;(2) it washes;(3) pickling;(4) secondary washing;(5) it neutralizes;
(6) surface adjusts: will be through handling 1-2min in step (5) treated steel is put into 40-45 DEG C of surface adjustment liquid;Institute
State the composition of surface adjustment liquid are as follows: contain surface conditioner 0.08-0.3kg in the every surface 100L adjustment liquid, surplus is water;
Wherein, the raw material for preparing surface conditioner, is counted by ratio of weight and the number of copies, comprising: 200-250 parts of deionized water, phosphoric acid hydrogen two
60-80 parts of sodium, 40-60 parts of sodium tripolyphosphate, 2-5 parts of sodium hydroxide, 5-8 parts of potassium fluotitanate, aminotrimethylenephosphonic acid
10-25 parts, 2-5 parts of sodium pyrophosphate;
(7) phosphatization: 3- will be handled in the Zinc phosphating solution for being 25-45 DEG C through step (6) treated steel is placed in temperature
5min;It is dry after washing 2-3min later;
The concrete operation method of step (1) are as follows: steel is placed in the cleaning solution that temperature is 40-50 DEG C, impregnates 2-5min;
The composition of the cleaning solution are as follows: contain sodium metasilicate 4-6g, sodium tripolyphosphate 10-15g, sodium carbonate 4- in every 1L cleaning solution
6g, nonylphenol polyoxyethylene ether 0.1-0.3g, fatty alcohol polyoxyethylene ether AEO-9 0.3-0.5g, neopelex
4-8g, perfluorobutyl potassium sulfonate 0.3-0.5g, surplus are water.
2. steel iron phosphatising technique according to claim 1, it is characterised in that: the concrete operation method of step (2) are as follows: will be through
Except the steel of grease is transferred in the supersonic cleaning machine for fill water after ultrasound 5-10min, taking-up is dried.
3. steel iron phosphatising technique according to claim 1, it is characterised in that: the concrete operation method of step (3) are as follows: will be through
In the pickling solution that step (2) treated steel is transferred to temperature is 25-60 DEG C, 2-5min is impregnated.
4. steel iron phosphatising technique according to claim 3, it is characterised in that: the pickling solution includes that following parts by weight are matched
The component of ratio: 5-25 parts of phosphatase 11,2-4 parts of 4- amino -3- diazanyl -5- sulfydryl -1,2,4- triazole, cis- oleic acid base amine ethyl
3-5 parts of 10-12 parts of imidazoline, second dimethylene -1,2- bis- (cetyl dimethyl ammonium bromides), n-butanol 20-30
Part, 15-20 parts of water.
5. steel iron phosphatising technique according to claim 1, it is characterised in that: the concrete operation method of step (4) are as follows: will be through
Treated is transferred in the supersonic cleaning machine for fill water after ultrasound 3-5min after steel is rinsed with water 5-7min for step (3), takes out
It dries.
6. steel iron phosphatising technique according to claim 1, it is characterised in that: the concrete operation method of step (5) are as follows: will be through
Treated that steel is put into the neutralization chamber for filling 0.2%-0.5% soda ash aqueous solution for step (4), after impregnating 3-5min, then uses water
Rinse 2-3min.
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CN109127328B (en) * | 2018-07-13 | 2021-01-19 | 西安交通大学 | Method for constructing super-hydrophobic coating on metal surface |
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CN1468950A (en) * | 2002-07-15 | 2004-01-21 | 董丽萍 | Multifunctional detergent |
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CN104593764A (en) * | 2014-12-25 | 2015-05-06 | 昆山硕磁金属材料制品有限公司 | Steel surface phosphatizing technology |
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CN104593764A (en) * | 2014-12-25 | 2015-05-06 | 昆山硕磁金属材料制品有限公司 | Steel surface phosphatizing technology |
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