CN107881494A - A kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works - Google Patents
A kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works Download PDFInfo
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- CN107881494A CN107881494A CN201711173908.2A CN201711173908A CN107881494A CN 107881494 A CN107881494 A CN 107881494A CN 201711173908 A CN201711173908 A CN 201711173908A CN 107881494 A CN107881494 A CN 107881494A
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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
- C23C22/05—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 using aqueous solutions
- C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
-
- 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
Abstract
The invention discloses a kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works, comprise the following steps：（1）Workpiece surface processing,（2）Surface activation process,（3）Passivation Treatment,（4）Drying process.Each step collocation of processing method of the present invention is reasonable, effectively improves the surface passivating treatment effect to metal works, enhances the antirust characteristic of its corrosion resistant, improve using quality and life-span, there is good application value.
Description
Technical field
The invention belongs to textile instrument processing and manufacturing technology, and in particular to a kind of textile hot-moisture retention test instrument metal work
The surface passivating treatment technique of part.
Background technology
Textile instrument is the general name for processing and detecting the instrument of textile.Textile hot-moisture retention test instrument is therein
One kind, textile is warm, the important indicator in terms of wet performance is its thermal resistance value and dampness value, is evaluation product quality and application product
Important evidence, therefore relatively attach most importance in field of textiles to determine the textile hot-moisture retention test instrument of thermal resistance value and dampness value
Will.The various workpieces of textile hot-moisture retention test instrument are made up of metal material, such as steel, aluminium alloy.And above-mentioned metal material
The problems such as matter is easily corroded in use, cause instrument overall performance quality decline, the life-span reduce the problem of.To this people couple
Above-mentioned metal material carries out surfacecti proteon processing, and Passivation Treatment is one kind therein.Existing most deactivating process for the treatment of compared with
To be rough, there is that processing is poor quality, is unfavorable for the problems such as environmental protection.
The content of the invention
The purpose of the present invention is to be directed to the problem of existing, there is provided a kind of surface of textile hot-moisture retention test instrument metal works
Passivation process.
The present invention is achieved by the following technical solutions：
A kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works, comprises the following steps：
（1）Workpiece surface processing：
First put the workpiece in electrochemical deoiling liquid progress 20 ~ 25min of immersion treatment, after the completion of taking-up rinsed one time with clear water,
Then 8 ~ 12min of immersion treatment in acid solution is put the workpiece in, finally by workpiece taking-up with standby after deionized water rinsing one time；
（2）Surface activation process：
By step（1）Workpiece after processing, which is put into microwave treatment instrument, carries out microwave treatment, is taken out after 10 ~ 15min standby；
（3）Passivation Treatment：
By step（2）Workpiece after processing is immersed in passivating solution, and it is 40 ~ 45 DEG C that during which heating, which keeps the temperature of passivating solution, place
Workpiece is taken out after 5 ~ 7min of reason standby；The passivating solution by following parts by weight material composition：15 ~ 20 parts of butyl titanates, 4
~ 6 parts of acetylacetone,2,4-pentanediones, 3 ~ 7 parts of phosphoric acid, 2 ~ 5 parts of sulfuric acid, 1 ~ 2 part of phytic acid, 3 ~ 5 parts of hydrogen peroxide, 0.3 ~ 0.6 part of sodium hydroxide, 3 ~ 6
Part silane coupler, 2 ~ 5 parts of bacteria celluloses, 0.2 ~ 0.3 part of disodium ethylene diamine tetraacetate, 300 ~ 350 parts of ethanol, 900 ~ 1000
Part water；
（4）Drying process：
By step（3）Workpiece after processing, which is put into drying box, is dried processing, after the completion of take out.
Further, step（1）Described in electrochemical deoiling liquid be acetone.
Further, step（1）Described in acid solution be phosphoric acid solution that mass fraction is 5 ~ 7%.
Further, step（2）Described in microwave treatment when to control the power output of microwave treatment instrument be 400 ~ 500W.
Further, step（3）Described in Passivation Treatment during simultaneously be ultrasonically treated, control ultrasound frequency be
60~70kHz。
Further, step（3）Described in passivating solution by following parts by weight material composition：18 parts of butyl titanates, 5
Part acetylacetone,2,4-pentanedione, 6 parts of phosphoric acid, 4 parts of sulfuric acid, 1.5 parts of phytic acid, 4 parts of hydrogen peroxide, 0.5 part of sodium hydroxide, 5 parts of silane couplers, 4
Part bacteria cellulose, 0.25 part of disodium ethylene diamine tetraacetate, 330 parts of ethanol, 950 parts of water.
Further, step（4）Described in drying process when to control temperature in drying box be 80 ~ 85 DEG C, dry at
Manage 1 ~ 2h.
The present invention has carried out improvement processing to existing deactivating process for the treatment of, wherein first having been carried out to metal works at surface
Reason, eliminates the compositions such as the impurity on surface, is had laid a good foundation for follow-up processing, and carried out at surface active
Reason, is specifically handled its surface using microwave, and effectively improving surface of workpiece using the high energy effect of microwave lives
Property group structure and content, enhance its response characteristic, then to it immediately be passivated processing can lift Passivation Treatment
Effect, a kind of passivating solution of formulated in Passivation Treatment, wherein butyl titanate composition is with the addition of, using it in acid bar
Hydrolysis under part, one is formd on the surface of metal material and contains Ti passivation, the phosphoric acid of addition, sulfuric acid, phytic acid composition shape
Into abundant hydrogen ion donor combination, the process of passivation is ensure that, acetylacetone,2,4-pentanedione, the hydrogen peroxide of addition enhance passivating solution
Stability, promotes the progress of passivation, and the silane coupler of addition can occur coupling reaction, silane is introduced in Ti passivation
Film, the common compound quality for improving passivating film, the bacteria cellulose composition of addition can be lifted passivating film it is smooth, sprawl spy
Property, while the overall viscosity of passivating solution is have adjusted, enhance the adhesion between passivating film and metal material surface, the second two of addition
Amine tetraacethyl disodium serves the effect of chelating, and the crosslinking for enhancing Si-O keys in Ti-O keys and silane film in Ti passivation combines
Intensity, enhance the compactness of passivation membrane tissue.
The present invention has advantages below compared with prior art：
Each step collocation of processing method of the present invention is reasonable, effectively improves the surface passivating treatment effect to metal works, increases
The strong antirust characteristic of its corrosion resistant, improves using quality and life-span, there is good application value.
Embodiment
Embodiment 1
A kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works, comprises the following steps：
（1）Workpiece surface processing：
First put the workpiece in electrochemical deoiling liquid progress immersion treatment 20min, after the completion of taking-up rinse one time with clear water, then
Immersion treatment 8min in acid solution is put the workpiece in, finally by workpiece taking-up with standby after deionized water rinsing one time；
（2）Surface activation process：
By step（1）Workpiece after processing, which is put into microwave treatment instrument, carries out microwave treatment, is taken out after 10min standby；
（3）Passivation Treatment：
By step（2）Workpiece after processing is immersed in passivating solution, and it is 40 DEG C that during which heating, which keeps the temperature of passivating solution, processing
Workpiece taken out after 5min standby；The passivating solution by following parts by weight material composition：15 parts of butyl titanates, 4 parts of acetyl
Acetone, 3 parts of phosphoric acid, 2 parts of sulfuric acid, 1 part of phytic acid, 3 parts of hydrogen peroxide, 0.3 part of sodium hydroxide, 3 parts of silane couplers, 2 parts of bacterium fibres
Tie up element, 0.2 part of disodium ethylene diamine tetraacetate, 300 parts of ethanol, 900 parts of water；
（4）Drying process：
By step（3）Workpiece after processing, which is put into drying box, is dried processing, after the completion of take out.
Further, step（1）Described in electrochemical deoiling liquid be acetone.
Further, step（1）Described in acid solution be phosphoric acid solution that mass fraction is 5%.
Further, step（2）Described in microwave treatment when to control the power output of microwave treatment instrument be 400W.
Further, step（3）Described in Passivation Treatment during simultaneously be ultrasonically treated, control ultrasound frequency be
60kHz。
Further, step（4）Described in drying process when to control temperature in drying box be 80 DEG C, drying process
1h。
Embodiment 2
A kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works, comprises the following steps：
（1）Workpiece surface processing：
First put the workpiece in electrochemical deoiling liquid progress immersion treatment 23min, after the completion of taking-up rinse one time with clear water, then
Immersion treatment 10min in acid solution is put the workpiece in, finally by workpiece taking-up with standby after deionized water rinsing one time；
（2）Surface activation process：
By step（1）Workpiece after processing, which is put into microwave treatment instrument, carries out microwave treatment, is taken out after 13min standby；
（3）Passivation Treatment：
By step（2）Workpiece after processing is immersed in passivating solution, and it is 42 DEG C that during which heating, which keeps the temperature of passivating solution, processing
Workpiece taken out after 6min standby；The passivating solution by following parts by weight material composition：18 parts of butyl titanates, 5 parts of acetyl
Acetone, 6 parts of phosphoric acid, 4 parts of sulfuric acid, 1.5 parts of phytic acid, 4 parts of hydrogen peroxide, 0.5 part of sodium hydroxide, 5 parts of silane couplers, 4 parts of bacteriums
Cellulose, 0.25 part of disodium ethylene diamine tetraacetate, 330 parts of ethanol, 950 parts of water；
（4）Drying process：
By step（3）Workpiece after processing, which is put into drying box, is dried processing, after the completion of take out.
Further, step（1）Described in electrochemical deoiling liquid be acetone.
Further, step（1）Described in acid solution be phosphoric acid solution that mass fraction is 6%.
Further, step（2）Described in microwave treatment when to control the power output of microwave treatment instrument be 460W.
Further, step（3）Described in Passivation Treatment during simultaneously be ultrasonically treated, control ultrasound frequency be
65kHz。
Further, step（4）Described in drying process when to control temperature in drying box be 83 DEG C, drying process
1.5h。
Embodiment 3
A kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works, comprises the following steps：
（1）Workpiece surface processing：
First put the workpiece in electrochemical deoiling liquid progress immersion treatment 25min, after the completion of taking-up rinse one time with clear water, then
Immersion treatment 12min in acid solution is put the workpiece in, finally by workpiece taking-up with standby after deionized water rinsing one time；
（2）Surface activation process：
By step（1）Workpiece after processing, which is put into microwave treatment instrument, carries out microwave treatment, is taken out after 15min standby；
（3）Passivation Treatment：
By step（2）Workpiece after processing is immersed in passivating solution, and it is 45 DEG C that during which heating, which keeps the temperature of passivating solution, processing
Workpiece taken out after 7min standby；The passivating solution by following parts by weight material composition：20 parts of butyl titanates, 6 parts of acetyl
Acetone, 7 parts of phosphoric acid, 5 parts of sulfuric acid, 2 parts of phytic acid, 5 parts of hydrogen peroxide, 0.6 part of sodium hydroxide, 6 parts of silane couplers, 5 parts of bacterium fibres
Tie up element, 0.3 part of disodium ethylene diamine tetraacetate, 350 parts of ethanol, 1000 parts of water；
（4）Drying process：
By step（3）Workpiece after processing, which is put into drying box, is dried processing, after the completion of take out.
Further, step（1）Described in electrochemical deoiling liquid be acetone.
Further, step（1）Described in acid solution be phosphoric acid solution that mass fraction is 7%.
Further, step（2）Described in microwave treatment when to control the power output of microwave treatment instrument be 500W.
Further, step（3）Described in Passivation Treatment during simultaneously be ultrasonically treated, control ultrasound frequency be
70kHz。
Further, step（4）Described in drying process when to control temperature in drying box be 85 DEG C, drying process
2h。
Comparative example 1
This comparative example 1 compared with Example 2, saves step（2）Surface activation process operates, and method and step in addition is equal
It is identical.
Comparative example 2
This comparative example 2 compared with Example 2, saves step（3）Bacteria cellulose composition in Passivation Treatment in passivating solution,
Method and step all same in addition.
Comparative example 3
This comparative example 3 compared with Example 2, saves step（3）Ethylenediamine tetra-acetic acid two in Passivation Treatment in passivating solution
Sodium composition, method and step all same in addition.
Control group
Existing passivation of metal surfaces processing method.
In order to contrast effect of the present invention, from No. 45 stainless steel materials made from same batch as experimental subjects, difference
Place is passivated with the method described in above-described embodiment 2, comparative example 1, comparative example 2, comparative example 3, control group
Reason, after the completion of according to related specifications attribute test is carried out to stainless steel material, specific correction data is as shown in table 1 below：
Table 1
| Corrosion electric current density（μA/cm2） | Hot spot position（V） | Neutral salt spray test | Resistance to blacking | |
| Embodiment 2 | 2.747 | -0.637 | ＜ 1% | Slightly |
| Comparative example 1 | 2.545 | -0.616 | ＜ 3% | Substantially |
| Comparative example 2 | 2.226 | -0.584 | ＜ 6% | Seriously |
| Comparative example 3 | 2.358 | -0.603 | ＜ 5% | Seriously |
| Control group | 1.803 | -0.561 | ＜ 7% | Seriously |
Note：Neutral salt spray test described in upper table 1 is to carry out neutral salt spray test according to GB/T10125-1997, by the time
144h is adjusted to, its surface is observed and loses area in vain, to evaluate the corrosion resisting property of passivating film；Described resistance to blacking is by examination
Part is placed in climatic chamber, and resistance to blacking experiment is carried out under 70 DEG C × 80% relative humidities, detects the resistance to blacking of passivating film
The material of performance is hung on the automatic rotary rack in moisture-heat test-box, automatic rotary rack by identical interval time carry out rotate forward and
Reversion.
The inventive method can be obviously improved the protection effect to metal works it can be seen from upper table 1, have and push away well
Wide application value.
Claims (7)
1. a kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works, it is characterised in that comprise the following steps：
（1）Workpiece surface processing：
First put the workpiece in electrochemical deoiling liquid progress 20 ~ 25min of immersion treatment, after the completion of taking-up rinsed one time with clear water,
Then 8 ~ 12min of immersion treatment in acid solution is put the workpiece in, finally by workpiece taking-up with standby after deionized water rinsing one time；
（2）Surface activation process：
By step（1）Workpiece after processing, which is put into microwave treatment instrument, carries out microwave treatment, is taken out after 10 ~ 15min standby；
（3）Passivation Treatment：
By step（2）Workpiece after processing is immersed in passivating solution, and it is 40 ~ 45 DEG C that during which heating, which keeps the temperature of passivating solution, place
Workpiece is taken out after 5 ~ 7min of reason standby；The passivating solution by following parts by weight material composition：15 ~ 20 parts of butyl titanates, 4
~ 6 parts of acetylacetone,2,4-pentanediones, 3 ~ 7 parts of phosphoric acid, 2 ~ 5 parts of sulfuric acid, 1 ~ 2 part of phytic acid, 3 ~ 5 parts of hydrogen peroxide, 0.3 ~ 0.6 part of sodium hydroxide, 3 ~ 6
Part silane coupler, 2 ~ 5 parts of bacteria celluloses, 0.2 ~ 0.3 part of disodium ethylene diamine tetraacetate, 300 ~ 350 parts of ethanol, 900 ~ 1000
Part water；
（4）Drying process：
By step（3）Workpiece after processing, which is put into drying box, is dried processing, after the completion of take out.
2. a kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works according to claim 1, it is special
Sign is, step（1）Described in electrochemical deoiling liquid be acetone.
3. a kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works according to claim 1, it is special
Sign is, step（1）Described in acid solution be phosphoric acid solution that mass fraction is 5 ~ 7%.
4. a kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works according to claim 1, it is special
Sign is, step（2）Described in microwave treatment when to control the power output of microwave treatment instrument be 400 ~ 500W.
5. a kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works according to claim 1, it is special
Sign is, step（3）Described in Passivation Treatment during simultaneously be ultrasonically treated, control ultrasound frequency be 60 ~ 70kHz.
6. a kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works according to claim 1, it is special
Sign is, step（3）Described in passivating solution by following parts by weight material composition：18 parts of butyl titanates, 5 parts of levulinics
Ketone, 6 parts of phosphoric acid, 4 parts of sulfuric acid, 1.5 parts of phytic acid, 4 parts of hydrogen peroxide, 0.5 part of sodium hydroxide, 5 parts of silane couplers, 4 parts of bacterium fibres
Tie up element, 0.25 part of disodium ethylene diamine tetraacetate, 330 parts of ethanol, 950 parts of water.
7. a kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works according to claim 1, it is special
Sign is, step（4）Described in drying process when to control temperature in drying box be 80 ~ 85 DEG C, 1 ~ 2h of drying process.
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| CN201711173908.2A CN107881494A (en) | 2017-11-22 | 2017-11-22 | A kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works |
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