CN104087916B - NT-1B acidity Phosphating Solution and safe surface based on this NT-1B acidity Phosphating Solution pretreating process - Google Patents
NT-1B acidity Phosphating Solution and safe surface based on this NT-1B acidity Phosphating Solution pretreating process Download PDFInfo
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- CN104087916B CN104087916B CN201410212314.8A CN201410212314A CN104087916B CN 104087916 B CN104087916 B CN 104087916B CN 201410212314 A CN201410212314 A CN 201410212314A CN 104087916 B CN104087916 B CN 104087916B
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Abstract
The invention discloses a kind of NT 1B acidity Phosphating Solution and safe surface pretreating process based on this NT 1B acidity Phosphating Solution；Described NT 1B acidity Phosphating Solution is to be difficult to infiltration for ATM safety cabinet iron content height, surface, use general Phosphating Solution surface easily to produce the present situation of floating rust and prepare, it is formulated by adding the auxiliary agents such as rust remover, degreaser, dispersant, passivator, film former in trivalent Phosphating Solution, specifically, NT 1B acidity Phosphating Solution of the present invention, including following components: phosphoric acid, phytic acid, degreaser, rust remover, film former, dispersant, passivator, penetrating agent and water.Therefore, the present invention can make the rust cleaning of solvent penetration surface capillary hole, oil removing, phosphorization filming and be passivated；So the impurity such as the greasy dirt oils and fats of sanding rear box remained on surface can be removed effectively, then generating layer protecting film in tank surface increases the adhesive force between casing corrosion resistance and casing and paint.
Description
Technical field
The present invention relates to a kind of NT-1B acidity Phosphating Solution, for the main component of the surface preparation abluent of safety cabinet casing.
The invention still further relates to a kind of safe surface based on NT-1B acidity Phosphating Solution pretreating process, belong to safety cabinet and manufacture field.
Background technology
At present, the casing pre-treatment of ATM safety cabinet uses oil-based solvent to clean, and generally use is that gasoline, acetone solvent are carried out, inflammable and explosive property due to oil-based solvent, production is brought potential safety hazard, and gasoline, acetone is relatively costly, add overall cost.
Therefore, people expect using aqueous cleaning naturally, wherein, relatively conventional aqueous cleaning is phosphating process, its typically comprise the steps: hot water wash → pre-defat → defat → washing → pickling → pure water wash → phosphatization → pure water washes → dries, it follows that this technique has the following characteristics that a, uses pretreatment line to carry out spraying operation；B, this technique process are more.And ATM safety cabinet is because from heavy sensation of the body, mobile inconvenience, oils and fats is less and the characteristic such as get rusty easily so that above-mentioned phosphating process is not suitable for the production of ATM safety cabinet；It addition, ATM safety cabinet iron content is high, surface is difficult to permeate, and uses general Phosphating Solution safety cabinet surface easily to produce floating rust.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of NT-1B acidity Phosphating Solution is provided, this acidity Phosphating Solution is formulated by adding the additives such as rust remover, degreaser, dispersant, passivator, film former in trivalent Phosphating Solution, and gained formulation product can make the rust cleaning of solvent penetration surface capillary hole, oil removing, phosphorization filming and be passivated.And pH scope is more slightly higher than general Phosphating Solution, use interval the most wider；It addition, present invention also offers a kind of is the formulated waterborne cleaning agent of main component by above-mentioned NT-1B acidity Phosphating Solution, and this abluent is used to carry out the surface preparation of ATM safety cabinet；It addition, for the characteristic of ATM safety cabinet, the present invention devises a kind of special safe surface pretreating process.
For realizing above technical purpose, the present invention will take following technical scheme:
A kind of NT-1B acidity Phosphating Solution, including following components: phosphoric acid, phytic acid, degreaser, rust remover, film former, dispersant, passivator, penetrating agent and water；Wherein, the mass fraction of phosphoric acid, phytic acid, degreaser, rust remover, film former, dispersant, passivator and penetrating 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, film former, dispersant, passivator and penetrating 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, film former, dispersant, passivator and penetrating agent is followed successively by: 125-130,25-40,10-12,14-16,8-12,12-14,10-12,5-8.
Described dispersant is organic alcohol amine compounds.
Described penetrating agent is the low molecular weight epoxy alkyl copolymer of end end-blocking.
Described passivator is trivalent chromium passivator.
Described degreaser includes following components: lauric acid amide of ethanol, trihydroxy ethylamine oleate soap, EDTA tetrasodium salt and water, and described lauric acid amide of ethanol, trihydroxy ethylamine oleate soap, the mass fraction of EDTA tetrasodium salt are followed successively by: 15-25,4-8,1-5.
Described rust remover includes following components: sulphuric acid, phosphoric acid, hydrochloric acid, hexamethylenamine and water, wherein, sulphuric acid, phosphoric acid, hydrochloric acid, the mass fraction of hexamethylenamine are followed successively by: 25-35,15-23,2-8,1-3.
A kind of safe surface pretreating process based on above-mentioned NT-1B acidity Phosphating Solution, comprise the following steps: first, using the safe surface that waterborne cleaning agent high pressure rinse processes through sanding, this waterborne cleaning agent is formed according to the ratio allotment that mass ratio is 10%-15% with water by NT-1B acidity Phosphating Solution；And the pH value of waterborne cleaning agent is 2-3.5；Then, using confining liquid or triethanolamine to carry out spraying operation, in spray operation, pH value is 8.5-9.5, and the active component of the confining liquid used is water base steel rust prevention liquid；Carrying out blowing water operation in 30 minutes after spray operation, finally enter drying room and dry, wherein, drying room temperature is set to 150-160 DEG C, baking cycle 50-60 minute.
Described confining liquid is formed according to the mass ratio allotment of 0.5%-1.0% with water by water base steel rust prevention liquid；Described triethanolamine be mass percent be the triethanolamine aqueous solution of 0.3%-0.5%.
According to above technical scheme, the present invention has a following beneficial effect:
1, NT-1B acidity Phosphating Solution of the present invention, formulated, accordingly, it is capable to make the rust cleaning of solvent penetration surface capillary hole, oil removing, phosphorization filming and be passivated by adding the auxiliary agents such as rust remover, degreaser, dispersant, passivator, film former in trivalent Phosphating Solution；Therefore, it is high that the present invention effectively overcomes ATM safety cabinet iron content, and surface is difficult to permeate, and uses the shortcoming that general Phosphating Solution surface easily produces floating rust；It addition, the pH scope ratio of this NT-1B acidity Phosphating Solution is the most slightly higher, use interval the most wider；
2, safe surface of the present invention pretreating process can remove the impurity such as greasy dirt oils and fats of sanding rear box remained on surface effectively, and then generating layer protecting film in tank surface increases the adhesive force between casing corrosion resistance and casing and paint.Compared with solvent clean, aqueous is cleaned nonflammable, non-explosive, is greatly improved in safety, and meanwhile, cleaning cost also has reduction, and follow-up paint spraying is had positive effect.
Detailed description of the invention
Technical scheme is explained below with reference to each embodiment.
The present invention is directed to ATM safety cabinet iron content high, surface is difficult to permeate, use the fact that general Phosphating Solution surface easily produces floating rust, special NT-1B acidity Phosphating Solution, this NT-1B acidity Phosphating Solution is by adding rust remover in trivalent Phosphating Solution, degreaser, dispersant, passivator, the auxiliary agents such as film former are formulated, specifically, NT-1B acidity Phosphating Solution of the present invention, including following components: phosphoric acid, phytic acid, degreaser, rust remover, film former, dispersant, passivator, penetrating agent and water, wherein, described dispersant is organic alcohol amine compounds, commodity article No. is dispersant P-5095；Penetrating 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 uses water allotment lauric acid amide of ethanol, trihydroxy ethylamine oleate soap, EDTA tetrasodium salt to form；Rust remover uses water allotment sulphuric acid, phosphoric acid, hydrochloric acid, hexamethylenamine to form；
In degreaser, lauric acid amide of ethanol, trihydroxy ethylamine oleate soap, EDTA tetrasodium salt use water to modulate according to the proportioning shown in table 1 below:
| Lauric acid amide of ethanol | Trihydroxy ethylamine oleate soap | EDTA tetrasodium 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, sulphuric acid, phosphoric acid, hydrochloric acid, hexamethylenamine use water to modulate according to the proportioning shown in table 2 below:
| 25 | 15 | 2 | 1 |
| 30 | 20 | 5 | 2 |
| 35 | 20 | 6 | 3 |
| 28 | 23 | 8 | 2 |
Table 2
In NT-1B acidity Phosphating Solution, phosphoric acid, phytic acid, rust remover, degreaser, dispersant, passivator, film former use water to modulate 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 |
| Film former | 10 | 6 | 14 | 8 | 12 | 12 |
| Dispersant | 14 | 10 | 18 | 12 | 14 | 14 |
| Passivator | 12 | 8 | 16 | 10 | 14 | 12 |
| Penetrating 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 NT-1B acidity Phosphating Solution of the present invention is described, first, take phosphoric acid 32%, phytic acid (phytic acid) 9.75%, degreaser 3%, rust remover 4%, film former 2.5%, dispersant 3.5%, passivator 3%, penetrating agent 1.5%, each percentage ratio is mass percent, then, adds water allotment and i.e. can get acid phosphorus liquid 1；Wherein dispersant P-5095 is organic alcohol amine compounds, and volatility is extremely low, and abnormal smells from the patient is little, reduces the bad smell caused because of volatilization, and P-5095 will not remain in paint film for a long time simultaneously, therefore can be applicable to use in high-gloss paint, and P-5095 has excellent resistance to water.P-5095 has preferable dispersion moistening ability simultaneously, can improve the dispersion stabilization to color stuffing, reduces foam.P-5095 can effectively reduce low cut and paste degree as rear additive, improves mobility and the levelability of coating.And penetrating agent is SW-270 is special end-blocking, the copolymer of low molecular weight epoxy alkane, has fabulous infiltration dispersive property, is widely portable to the systems such as emulsion paint, aqueous color paste, fountain solution manufacture.Penetrating agent SW-270 has good surface activity, can significantly reduce the surface tension of water, has prominent low bubble performance simultaneously.Penetrating agent SW-270 is particularly well-suited to various toning emulsion paint base paint formulation system, is also the excellent penetrating agent of aqueous color paste formula.This penetrating agent often with poly-(methyl) acrylates dispersant together with the use of, penetrating agent SW-270 is used in mixed way the cooperative effect can with maximal efficiency, can improve the paint film adhesive force to difficulty wettability ground simultaneously.Penetrating agent SW-270 has certain anti-freezing property, good furtherance film properties simultaneously.Passivator is common trivalent chromium passivator.Degreaser is by lauric acid amide of ethanol 20%, trihydroxy ethylamine oleate soap 6%, EDTA tetrasodium salt 3% and water composition.Rust remover is by 30% sulphuric acid, 18% phosphoric acid, 5% hydrochloric acid, hexamethylenamine 2% and water composition.
Safe surface pretreating process based on above-mentioned NT-1B acidity Phosphating Solution of the present invention, comprise the following steps: the casing that sanding is good uses NT-1B acidity Phosphating Solution to become cleanout fluid (using pH interval as 2-3.5) to be rinsed with giant with water with mass ratio 10%-15% proportions, when pH is more than 3.5, stock solution adjusts 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 with the triethanolamine of 0.3%-0.5% carry out spray operation, pH span of control is 8.5-9.5, carry out blowing water operation in 30 minutes after spray operation, finally enter drying room and temperature 150-160 DEG C is set, baking cycle 50-60 minute.This technique can effectively remove the impurity such as the greasy dirt oils and fats of sanding rear box remained on surface, and then generating layer protecting film in tank surface increases the adhesive force between casing corrosion resistance and casing and paint.Compared with solvent clean, aqueous is cleaned nonflammable non-explosive at safety significant increase, and cleaning cost also has reduction, and follow-up paint spraying is had positive effect.NT-1B acidity Phosphating Solution is used to coordinate confining liquid relatively easy with giant developing technique and by hundred lattice, hardness, neutral salt spray test etc. tests its effectiveness of proof, it is possible to meet our Production requirement.
Claims (7)
1.A kind of NT-1B acidity Phosphating Solution, it is characterised in that include following components: phosphoric acid, phytic acid, degreaser, rust remover, film former, dispersant, passivator, penetrating agent and water；Wherein, the mass fraction of phosphoric acid, phytic acid, degreaser, rust remover, film former, dispersant, passivator and penetrating agent is followed successively by: 120-140,30-45,8-16,12-20,6-14,10-18,8-16,3-8；Wherein: described dispersant is organic alcohol amine compounds；Penetrating agent is the low molecular weight epoxy alkyl copolymer of end end-blocking；Passivator is trivalent chromium passivator；Degreaser uses water allotment lauric acid amide of ethanol, trihydroxy ethylamine oleate soap, EDTA tetrasodium salt to form；Rust remover uses water allotment sulphuric acid, phosphoric acid, hydrochloric acid, hexamethylenamine to form.
2.NT-1B acidity Phosphating Solution according to claim 1, it is characterized in that, the mass fraction of described phosphoric acid, phytic acid, degreaser, rust remover, film former, dispersant, passivator and penetrating agent is followed successively by: 125-135,35-45,10-14,14-18,8-12,12-14,10-14,5-8.
3.NT-1B acidity Phosphating Solution according to claim 1, it is characterized in that, the mass fraction of described phosphoric acid, phytic acid, degreaser, rust remover, film former, dispersant, passivator and penetrating agent is followed successively by: 125-130,25-40,10-12,14-16,8-12,12-14,10-12,5-8.
4.According to claim 1, NT-1B acidity Phosphating Solution, it is characterised in that in described degreaser, described lauric acid amide of ethanol, trihydroxy ethylamine oleate soap, the mass fraction of EDTA tetrasodium salt be followed successively by: 15-25,4-8,1-5.
5.According to claim 1, NT-1B acidity Phosphating Solution, it is characterised in that in described rust remover, sulphuric acid, phosphoric acid, hydrochloric acid, the mass fraction of hexamethylenamine be followed successively by: 25-35,15-23,2-8,1-3.
6.A kind of safe surface pretreating process based on NT-1B acidity Phosphating Solution described in claim 1, it is characterized in that, comprise the following steps: first, use the safe surface that waterborne cleaning agent high pressure rinse processes through sanding, described waterborne cleaning agent is formed according to the ratio allotment that mass ratio is 10%-15% with water by NT-1B acidity Phosphating Solution, and the pH value of waterborne cleaning agent is 2-3.5；Then, using confining liquid or triethanolamine to carry out spraying operation, in spray operation, pH value is 8.5-9.5, and the active component of the confining liquid used is water base steel rust prevention liquid；Carrying out blowing water operation in 30 minutes after spray operation, finally enter drying room and dry, wherein, drying room temperature is set to 150-160 DEG C, baking cycle 50-60 minute.
7.Safe surface pretreating process according to claim 6, it is characterised in that described confining liquid is formed according to the mass ratio allotment of 0.5%-1.0% with water by water base steel rust prevention liquid；Described triethanolamine be mass percent be the triethanolamine aqueous solution of 0.3%-0.5%。
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| 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)
| 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 |
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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 |
|---|
| "常温多功能磷化液的生产";张洪生;《四川化工与腐蚀控制》;20020831;第5卷(第4期);第21-22页 * |
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