CN104087916A - NT-1B acidic phosphating solution and NT-1B acidic phosphating solution-based safety cabinet casing surface pretreatment technology - Google Patents
NT-1B acidic phosphating solution and NT-1B acidic phosphating solution-based safety cabinet casing surface pretreatment technology Download PDFInfo
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- CN104087916A CN104087916A CN201410212314.8A CN201410212314A CN104087916A CN 104087916 A CN104087916 A CN 104087916A CN 201410212314 A CN201410212314 A CN 201410212314A CN 104087916 A CN104087916 A CN 104087916A
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Abstract
The invention discloses an NT-1B acidic phosphating solution and an NT-1B acidic phosphating solution-based safety cabinet casing surface pretreatment technology. The NT-1B acidic phosphating solution is prepared against the present conditions of high iron content and difficult surface penetration of an ATM safety cabinet and easy generation of floating rusts on the surface of the ATM safety cabinet by using a general phosphating solution, and is prepared by adding a rust remover, an oil remover, a dispersant, a passivating agent, a film forming agent and the like into a trivalent phosphating solution. The NT-1B acidic phosphating solution concretely comprises phosphoric acid, phytic acid, the oil remover, the rust remover, the film forming agent, the dispersant, the passivating agent, a penetrating agent and water. A solvent can penetrate the surface to realize capillary rust removal, oil removal, phosphating film formation and passivation, so impurities comprising oil stains, grease and the like residual on the surface of a sandblasted casing can be effectively removed, and a protection film is generated on the casing to increase the corrosion resistance of the casing and the adhesion between the casing and a paint.
Description
Technical field
The present invention relates to the acid Phosphating Solution of a kind of NT-1B, is the main component of the surface preparation clean-out system of strong box casing.
The invention still further relates to a kind of safe surface pretreatment technology based on the acid Phosphating Solution of NT-1B, belong to strong box and manufacture field.
Background technology
At present, the casing pre-treatment of ATM strong box adopts oil-based solvent to clean, and generally use is that gasoline, acetone solvent clean, inflammable and explosive property due to oil-based solvent, to producing, bring potential safety hazard, and the cost of gasoline, acetone is higher, has increased overall cost.
Therefore, people expect adopting water-based cleaning naturally, wherein, comparatively common water-based cleaning is phosphating process, it generally comprises the steps: that hot water wash → wash → phosphatization → pure water of degreasing → degreasing → washing → pickling → pure water is washed → dried in advance, hence one can see that, and this technique has following characteristics: a, use pretreatment line spray operation; B, this technique process are more.And ATM strong box because self is heavy, the less characteristic such as get rusty easily of mobile inconvenience, grease, make above-mentioned phosphating process be not suitable for the production of ATM strong box; In addition, ATM strong box iron content is high, and surface is difficult to infiltration, uses general Phosphating Solution strong box surface easily to produce floating rust.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, the acid Phosphating Solution of a kind of NT-1B is provided, this acidity Phosphating Solution by adding the additives such as rust remover, degreaser, dispersion agent, passivator, membrane-forming agent formulated in 3 valency Phosphating Solutions, and gained formulation product can make the rust cleaning of solvent impermeable surface pore, oil removing, phosphorization filming passivation.And pH scope is slightly higher than general Phosphating Solution, use interval corresponding wider; In addition, it is the formulated waterborne cleaning agent of main component by the acid Phosphating Solution of above-mentioned NT-1B that the present invention also provides a kind of, and adopts this clean-out system to carry out the surface preparation of ATM strong box; In addition, for the characteristic of ATM strong box, the present invention has designed a kind of special safe surface pretreatment technology.
For realizing above technical purpose, the present invention will take following technical scheme:
The acid Phosphating Solution of NT-1B, comprises following component: phosphoric acid, phytic acid, degreaser, rust remover, membrane-forming agent, dispersion agent, passivator, permeate agent and water; Wherein, the mass fraction of phosphoric acid, phytic acid, degreaser, rust remover, membrane-forming agent, dispersion agent, passivator and permeate agent is followed successively by: 120-140,30-45,8-16,12-20,6-14,10-18,8-16,3-8.
The mass fraction of described phosphoric acid, phytic acid, degreaser, rust remover, membrane-forming agent, dispersion agent, passivator and permeate agent is followed successively by: 125-135,35-45,10-14,14-18,8-12,12-14,10-14,5-8.
The mass fraction of described phosphoric acid, phytic acid, degreaser, rust remover, membrane-forming agent, dispersion agent, passivator and permeate agent is followed successively by: 125-130,25-40,10-12,14-16,8-12,12-14,10-12,5-8.
Described dispersion agent is organic alcohol amine compounds.
Described permeate agent is the low molecular weight epoxy alkyl copolymer of end end-blocking.
Described passivator is trivalent chromium passivator.
Described degreaser comprises following component: lauric acid amide of ethanol, trihydroxy ethylamine oleate soap, EDTA tetra-na salt and water, the mass fraction of described lauric acid amide of ethanol, trihydroxy ethylamine oleate soap, EDTA tetra-na salt is followed successively by: 15-25,4-8,1-5.
Described rust remover comprises following component: sulfuric acid, phosphoric acid, hydrochloric acid, urotropine and water, wherein, the mass fraction of sulfuric acid, phosphoric acid, hydrochloric acid, urotropine is followed successively by: 25-35,15-23,2-8,1-3.
A kind of safe surface pretreatment technology based on the acid Phosphating Solution of above-mentioned NT-1B, comprise the following steps: first, the safe surface that adopts waterborne cleaning agent high pressure washing to process through sanding, the ratio allotment that this waterborne cleaning agent is 10%-15% by the acid Phosphating Solution of NT-1B and water according to mass ratio forms; And the pH value of waterborne cleaning agent is 2-3.5; Then, adopt confining liquid or trolamine to spray operation, in spray operation, pH value is 8.5-9.5, and the active principle of the confining liquid adopting is water base steel rust prevention liquid; After spray operation, in 30 minutes, blow water operation, finally enter drying room and dry, wherein, drying room temperature is set to 150-160 ℃, baking cycle 50-60 minute.
Described confining liquid forms according to the mass ratio allotment of 0.5%-1.0% by water base steel rust prevention liquid and water; Described trolamine is that mass percent is the trolamine aqueous solution of 0.3%-0.5%.
According to above technical scheme, the present invention has following beneficial effect:
1, the acid Phosphating Solution of NT-1B of the present invention, by adding the auxiliary agents such as rust remover, degreaser, dispersion agent, passivator, membrane-forming agent formulated in 3 valency Phosphating Solutions, therefore, can make the rust cleaning of solvent impermeable surface pore, oil removing, phosphorization filming passivation; Therefore, it is high that the present invention has overcome ATM strong box iron content effectively, and surface is difficult to infiltration, uses general Phosphating Solution surface easily to produce the shortcoming of floating rust; In addition, the pH scope of the acid Phosphating Solution of this NT-1B is slightly higher than generally, uses interval corresponding wider;
2, safe of the present invention surface pretreatment technology can be removed the impurity such as greasy dirt grease of sanding rear box remained on surface effectively, and then in tank surface, generating layer protecting film increases the sticking power between casing erosion resistance and casing and paint.Compare with solvent cleaning, water-based is cleaned nonflammable, non-explosive, in security, is greatly improved, and meanwhile, cleaning cost also has reduction, and follow-up paint spraying is had to positive effect.
Embodiment
Below with reference to each embodiment, explain technical scheme of the present invention.
The present invention is directed to ATM strong box iron content high, surface is difficult to infiltration, use general Phosphating Solution surface easily to produce the fact of floating rust, the acid Phosphating Solution of special NT-1B, the acid Phosphating Solution of this NT-1B by adding rust remover in 3 valency Phosphating Solutions, degreaser, dispersion agent, passivator, the auxiliary agents such as membrane-forming agent are formulated, particularly, the acid Phosphating Solution of NT-1B of the present invention, comprise following component: phosphoric acid, phytic acid, degreaser, rust remover, membrane-forming agent, dispersion agent, passivator, permeate agent and water, wherein, described dispersion agent is organic alcohol amine compounds, commodity article No. is dispersion agent P-5095, permeate agent is the low molecular weight epoxy alkyl copolymer of end end-blocking, and commodity article No. is SW-270, passivator is trivalent chromium passivator, degreaser adopts water allotment lauric acid amide of ethanol, trihydroxy ethylamine oleate soap, EDTA tetra-na salt to form, rust remover adopts water allotment sulfuric acid, phosphoric acid, hydrochloric acid, urotropine to form,
In degreaser, lauric acid amide of ethanol, trihydroxy ethylamine oleate soap, EDTA tetra-na salt adopt water modulation according to the proportioning shown in following table 1:
| Lauric acid amide of ethanol | Trihydroxy ethylamine oleate soap | EDTA tetra-na salt | |
| Degreaser 1 | 15 | 5 | 4 |
| Degreaser 2 | 20 | 6 | 3 |
| Degreaser 3 | 25 | 8 | 1 |
| Degreaser 4 | 18 | 4 | 5 |
Table 1
In rust remover, sulfuric acid, phosphoric acid, hydrochloric acid, urotropine adopt water modulation according to the proportioning shown in following table 2:
| 25 | 15 | 2 | 1 |
| 30 | 20 | 5 | 2 |
| 35 | 20 | 6 | 3 |
| 28 | 23 | 8 | 2 |
Table 2
In the acid Phosphating Solution of NT-1B, phosphoric acid, phytic acid, rust remover, degreaser, dispersion agent, passivator, membrane-forming agent adopt water modulation according to the proportioning shown in following table:
| Acid Phosphating Solution 1 | Acid Phosphating Solution 2 | Acid Phosphating Solution 3 | Acid Phosphating Solution 4 | Acid Phosphating Solution 5 | Acid Phosphating Solution 6 | |
| Phosphoric acid | 128 | 120 | 140 | 125 | 135 | 130 |
| Phytic acid | 39 | 30 | 45 | 35 | 45 | 40 |
| Degreaser | 12 | 8 | 16 | 10 | 14 | 12 |
| Rust remover | 16 | 12 | 20 | 14 | 18 | 16 |
| Membrane-forming agent | 10 | 6 | 14 | 8 | 12 | 12 |
| Dispersion agent | 14 | 10 | 18 | 12 | 14 | 14 |
| Passivator | 12 | 8 | 16 | 10 | 14 | 12 |
| Permeate agent | 6 | 3 | 8 | 5 | 8 | 8 |
Table 3
In the present invention, below with acid Phosphating Solution 1(table 3) preparation the preparation of the acid Phosphating Solution of NT-1B of the present invention is described, first, get phosphoric acid 32%, phytic acid (phytinic acid) 9.75%, degreaser 3%, rust remover 4%, membrane-forming agent 2.5%, dispersion agent 3.5%, passivator 3%, permeate agent 1.5%, each per-cent is mass percent, then, adds water allotment can obtain acid Phosphating Solution 1; Wherein dispersion agent P-5095 is organic alcohol amine compounds, and volatility is extremely low, and smell is little, reduces the bad smell causing because of volatilization, and P-5095 can be not residual for a long time in paint film simultaneously, therefore can be applicable in high-gloss paint, uses, and P-5095 has good water tolerance.P-5095 has good dispersion moistening ability simultaneously, can improve the dispersion stabilization to color stuffing, reduces foam.P-5095 can be used as rear additive, can effectively reduce the low viscosity of cutting, and improves mobility and the levelling property of coating.And permeate agent is SW-270, be the multipolymer of special end-blocking, low molecular weight epoxy alkane, there is fabulous infiltration dispersing property, can be widely used in the systems such as emulsion paint, aqueous color paste, fountain solution manufacture.Permeate agent SW-270 has good surfactivity, can significantly reduce the surface tension of water, has outstanding low bubble performance simultaneously.Permeate agent SW-270 is specially adapted to various toning emulsion paint base paint formulation systems, is also the excellent permeate agent of aqueous color paste formula.This permeate agent is often used in conjunction with together with poly-(methyl) acrylate dispersion agent, and permeate agent SW-270 mixes the synergistic effect that use can have maximum efficiency, can improve the sticking power of paint film to difficult wettability ground simultaneously.Permeate agent SW-270 has certain anti-freezing property simultaneously, good furtherance film properties.Passivator is common trivalent chromium passivator.Degreaser is by lauric acid amide of ethanol 20%, trihydroxy ethylamine oleate soap 6%, and EDTA tetra-na salt 3% and water form.Rust remover is by 30% sulfuric acid, 18% phosphoric acid, and 5% hydrochloric acid, urotropine 2% and water form.
Safe surface pretreatment technology based on the acid Phosphating Solution of above-mentioned NT-1B of the present invention, comprise the following steps: the good casing of sanding uses the acid Phosphating Solution of NT-1B to take mass ratio 10%-15% ratio proportioning with water to become scavenging solution (use pH interval is 2-3.5) to rinse with water blast gun, when pH is greater than 3.5, stoste is adjusted PH in processing range, after standing 10-15 minute, with JHF-201B, with mass ratio 0.5%-1.0% and water, be made into confining liquid or spray operation with the trolamine of 0.3%-0.5%, pH span of control is 8.5-9.5, after spray operation, in 30 minutes, blow water operation, finally enter drying room set temperature 150-160 ℃, baking cycle 50-60 minute.This technique can effectively be removed the impurity such as greasy dirt grease of sanding rear box remained on surface, and then in tank surface, generating layer protecting film increases the sticking power between casing erosion resistance and casing and paint.Compare with solvent cleaning, water-based is cleaned nonflammable non-explosively greatly promote in security, and cleaning cost also has reduction, and follow-up paint spraying is had to positive effect.Use NT-1B acidity Phosphating Solution coordinates confining liquid and uses water blast gun developing technique relatively simply and passes through hundred lattice, hardness, and its validity of the test such as neutral salt spray test proof, can meet our Production requirement.
Claims (10)
1. the acid Phosphating Solution of NT-1B, is characterized in that, comprises following component: phosphoric acid, phytic acid, degreaser, rust remover, membrane-forming agent, dispersion agent, passivator, permeate agent and water; Wherein, the mass fraction of phosphoric acid, phytic acid, degreaser, rust remover, membrane-forming agent, dispersion agent, passivator and permeate agent is followed successively by: 120-140,30-45,8-16,12-20,6-14,10-18,8-16,3-8.
2. the acid Phosphating Solution of NT-1B according to claim 1, it is characterized in that, the mass fraction of described phosphoric acid, phytic acid, degreaser, rust remover, membrane-forming agent, dispersion agent, passivator and permeate agent is followed successively by: 125-135,35-45,10-14,14-18,8-12,12-14,10-14,5-8.
3. the acid Phosphating Solution of NT-1B according to claim 1, it is characterized in that, the mass fraction of described phosphoric acid, phytic acid, degreaser, rust remover, membrane-forming agent, dispersion agent, passivator and permeate agent is followed successively by: 125-130,25-40,10-12,14-16,8-12,12-14,10-12,5-8.
4. the acid Phosphating Solution of NT-1B according to claim 1, is characterized in that, described dispersion agent is organic alcohol amine compounds.
5. the acid Phosphating Solution of NT-1B according to claim 1, is characterized in that, described permeate agent is the low molecular weight epoxy alkyl copolymer of end end-blocking.
6. the acid Phosphating Solution of NT-1B according to claim 1, is characterized in that, described passivator is trivalent chromium passivator.
7. the acid Phosphating Solution of NT-1B according to claim 1, it is characterized in that, described degreaser comprises following component: lauric acid amide of ethanol, trihydroxy ethylamine oleate soap, EDTA tetra-na salt and water, the mass fraction of described lauric acid amide of ethanol, trihydroxy ethylamine oleate soap, EDTA tetra-na salt is followed successively by: 15-25,4-8,1-5.
8. the acid Phosphating Solution of NT-1B according to claim 1, it is characterized in that, described rust remover comprises following component: sulfuric acid, phosphoric acid, hydrochloric acid, urotropine and water, wherein, the mass fraction of sulfuric acid, phosphoric acid, hydrochloric acid, urotropine is followed successively by: 25-35,15-23,2-8,1-3.
9. the safe surface pretreatment technology based on the acid Phosphating Solution of NT-1B described in claim 1, it is characterized in that, comprise the following steps: first, the safe surface that adopts waterborne cleaning agent high pressure washing to process through sanding, the ratio allotment that described waterborne cleaning agent is 10%-15% by the acid Phosphating Solution of NT-1B and water according to mass ratio forms, and the pH value of waterborne cleaning agent is 2-3.5; Then, adopt confining liquid or trolamine to spray operation, in spray operation, pH value is 8.5-9.5, and the active principle of the confining liquid adopting is water base steel rust prevention liquid; After spray operation, in 30 minutes, blow water operation, finally enter drying room and dry, wherein, drying room temperature is set to 150-160 ℃, baking cycle 50-60 minute.
10. safe surface pretreatment technology according to claim 9, is characterized in that, described confining liquid forms according to the mass ratio allotment of 0.5%-1.0% by water base steel rust prevention liquid and water; Described trolamine is that mass percent is the trolamine aqueous solution of 0.3%-0.5%.
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| CN201410212314.8A CN104087916B (en) | 2014-05-20 | 2014-05-20 | NT-1B acidity Phosphating Solution and safe surface based on this NT-1B acidity Phosphating Solution pretreating process |
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| CN201410212314.8A CN104087916B (en) | 2014-05-20 | 2014-05-20 | NT-1B acidity Phosphating Solution and safe surface based on this NT-1B acidity Phosphating Solution pretreating process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104610823A (en) * | 2015-01-21 | 2015-05-13 | 赖禄波 | Anti-rust coating |
| CN114108057A (en) * | 2020-08-27 | 2022-03-01 | 天津市顺超有限公司 | Special normal-temperature four-in-one phosphating solution for cathode electrophoresis pretreatment |
Citations (2)
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|---|---|---|---|---|
| US4102710A (en) * | 1976-12-22 | 1978-07-25 | Diamond Shamrock Corporation | Adjuvant composition for solvent phosphatizing solution |
| CN102719837A (en) * | 2012-06-21 | 2012-10-10 | 大连三达奥克化学股份有限公司 | Cleaning and antirusting agent for inner cavity of acrylate reactor and preparation method thereof |
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2014
- 2014-05-20 CN CN201410212314.8A patent/CN104087916B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4102710A (en) * | 1976-12-22 | 1978-07-25 | Diamond Shamrock Corporation | Adjuvant composition for solvent phosphatizing solution |
| CN102719837A (en) * | 2012-06-21 | 2012-10-10 | 大连三达奥克化学股份有限公司 | Cleaning and antirusting agent for inner cavity of acrylate reactor and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张洪生: ""常温多功能磷化液的生产"", 《四川化工与腐蚀控制》, vol. 5, no. 4, 31 August 2002 (2002-08-31), pages 21 - 22 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104610823A (en) * | 2015-01-21 | 2015-05-13 | 赖禄波 | Anti-rust coating |
| CN114108057A (en) * | 2020-08-27 | 2022-03-01 | 天津市顺超有限公司 | Special normal-temperature four-in-one phosphating solution for cathode electrophoresis pretreatment |
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| CN104087916B (en) | 2016-08-03 |
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