CN102002714B - Wet leveling liquid composition and use thereof - Google Patents
Wet leveling liquid composition and use thereof Download PDFInfo
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- CN102002714B CN102002714B CN2009101948918A CN200910194891A CN102002714B CN 102002714 B CN102002714 B CN 102002714B CN 2009101948918 A CN2009101948918 A CN 2009101948918A CN 200910194891 A CN200910194891 A CN 200910194891A CN 102002714 B CN102002714 B CN 102002714B
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Abstract
The invention relates to a wet leveling liquid composition and use thereof, and mainly solves the problem that wet leveling liquid cannot meet the requirement that a down rate is greater than 3.0 percent in the leveling process in the prior art. By adopting a technical scheme that: the wet leveling liquid composition comprises the following components in part by weight: a) 5 to 50 parts of antirust additive; b) 1 to 12 parts of cleaning agent; c) 0.5 to 10 parts of lubricating agent; and d) 28 to 93.5 parts of water, the invention better solves the problem and can be used in the leveling process of cold-rolled steel sheets.
Description
Technical field
The present invention relates to a kind of wet-leveling liquid composite and uses thereof.
Background technology
The production process of cold-rolled steel sheet generally comprises pickling, rolling, annealing, smooth and 5 operations of finishing.Smooth is the cold finish rolling process that the band steel is carried out under certain draft after annealing, and this operation has determined configuration of surface, plate shape, mechanical property and the use characteristics of finished strip to a great extent.Flattening process is divided into does smooth and wet smooth two kinds, and many at present is main with temper rolling technology, promptly adopts wet-leveling liquid to influence surface quality to prevent that surface of steel plate from scratching.Wet-leveling liquid can be divided into two kinds of the smooth liquid of inorganic type (nitrite) and the smooth liquid of organic type (organic amine salt).Though report that the nitrite compounds has certain damaging effect to human body; But still most in the current relevant wet-leveling liquid patent is main with the smooth liquid of inorganic salt type (nitrite), the health problem that this type of smooth liquid exists mainly that cleaning performance is poor, plate face luminance brightness difference and nitrite bring; And up to the present, the patent report that relates to organic amine salt class wet-leveling liquid is less, and exploitation is demanded in this field urgently.
Because inorganic nitrite class wet-leveling liquid in use is proved to be meeting generation detrimentally affect to environment and human health; So the smooth liquid of nitrites is eliminated by market just gradually at present, has for example introduced a kind of inorganic salts wet-leveling liquid that contains nitrite rust-preventive agent among the patent US004366077.In organic amine salt wet-leveling liquid patent, DE3923283A1 discloses a kind of additive, and its molecular structural formula is as follows:
This smooth liquid pH value has antirust preferably and cleaning performance between 8～11, but its lubricity performance is general.Also introduced the nitrite component of utilizing in organic acid and the composite alternative mineral-type of organic amine among CN200710023703.6A and the CN02146602.5A, reached antirust anti-rotten effect, and have certain anti-macula lutea effect.But up to now; In all China and foreign countries' wet-leveling liquid patents of being reported; All do not introduce with regard to the extreme boundary lubrication performance of its wet-leveling liquid, common common wet-leveling liquid only satisfies the requirement of the annealed back of band steel with 0.3%～3.0% the formation process that draft was carried out.Yet along with the continuous progress of rolling technology, the draft of existing many processing requirements substantially exceeds 3.0% at present, therefore requires wet-leveling liquid on the original formulation basis, will have better extreme boundary lubrication property.
Summary of the invention
One of technical problem to be solved by this invention is that the wet-leveling liquid that exists in the prior art can not satisfy draft in the formation process greater than 3.0% problem that requires, and a kind of new wet-leveling liquid composite is provided.When said composition is used for the smooth operation of cold-rolled steel sheet, when having good rust-preventing characteristic and detergency, also have better extreme boundary lubrication performance, can satisfy the requirement of 3～10% higher drafts.Two of technical problem to be solved by this invention provides a kind of purposes of said wet-leveling liquid composite.
For one of solving the problems of the technologies described above, the technical scheme that the present invention adopts is following: a kind of wet-leveling liquid composite comprises following component in parts by weight:
A) 5～50 parts rust-preventive agent;
B) 1～12 part clean-out system;
C) 0.5～10 part lubricant;
D) 28～93.5 parts water;
Wherein said rust-preventive agent is selected from Sodium Benzoate, phenylformic acid monoethanolamine, p-Nitrobenzenecarboxylic acid monoethanolamine, sebacic acid sodium, sebacic acid monoethanolamine, dodecenylsuccinic acid diethylolamine, Monoethanolamine Oleate, ten sodium hisbenzene sulfonates, 18 Phenylsulfonic acid amine, gather at least a in alkoxyl group SULPHOSUCCINIC ACID ESTER diethylolamine, boric acid monoethanolamine or the water-soluble boron acid esters;
Said clean-out system is selected from X 2073, oleyl alcohol sulfuric ester sodium salt, sodium dodecyl aminopropionitrile, alkyl dimethyl trimethyl-glycine, polyoxyethylene nonylphenol, polyoxyethylene octylphenol ether, C
12～C
18At least a in the AEO;
Said lubricant is selected from least a in Malaysia oleic acid tri-isopropanolamine salt, triethanolamine oleate, coconut oil monoethanolamine amidophosphoric acid ester, polyoxyethylene oleic acid ester, carboxylic acid ethylene oxide adduct, carboxylic acid propylene oxide adduct, PEP-101, castor oil polyoxyethylene ether, Turkey red oil, alkyl epoxy ethyl group thiophosphatephosphorothioate or the water-soluble thiophosphatephosphorothioate.
In the technique scheme, in parts by weight, the amount ranges preferable range of rust-preventive agent is 10～40 parts, and more preferably scope is 15～30 parts; The consumption preferable range of clean-out system is 3～10 parts, and more preferably scope is 5～8 parts; The consumption preferable range of lubricant is 1～8 part, and more preferably scope is 2～7 parts; The consumption preferable range of water is 42～86 parts, and more preferably scope is 55～78 parts.In parts by weight, preferably also comprise e in the said compsn) 1～15 part pH value regulator, its consumption preferable range is 3～12 parts; Wherein pH value regulator is selected from sodium hydroxide, Pottasium Hydroxide, yellow soda ash, sodium hydrogencarbonate, potassium hydrogen phosphate, potassium primary phosphate, Sodium phosphate, dibasic, monoethanolamine, trolamine, quadrol or N-methyl-2, at least a in the 3-dihydroxypropyl amine.In parts by weight, preferably also comprise f in the said compsn) 0.1～5 part cleaning additive, its consumption preferable range is 0.1～3 part; Wherein cleaning additive is selected from least a in yellow soda ash, water glass, Starso, TSPP, Sodium hexametaphosphate 99, tripoly phosphate sodium STPP, Trisodium Citrate, tetrasodium ethylenediamine tetraacetate or the ethylenediamine triacetic acid sodium salt.In parts by weight, also comprise g in the said compsn) 0.01～0.5 part skimmer, its consumption preferable range is 0.05～0.2 part; Wherein skimmer is selected from least a in polyethers, methyl-silicone oil, hydroxy silicon oil, amido silicon oil or the YSR 3286.
For solve the problems of the technologies described above two, the technical scheme that the present invention adopts is following: said wet-leveling liquid composite is used for the smooth operation of cold-rolled steel sheet.
The preparation method of wet-leveling liquid composite of the present invention is following: water is heated to 35～45 ℃; The rust-preventive agent, pH value regulator, clean-out system, cleaning additive, lubricant and the skimmer that add aequum in the stirring successively; Fully stirring stops after 0.5～10 hour stirring and heating, leaves standstill after-filtration can in 1～3 hour and gets final product.
The inventor is surprised to find, and wet-leveling liquid composite of the present invention not only has good anti-rust properties and cleaning performance, but also has better extreme boundary lubrication performance owing to made full use of the synergy between each component.Be applicable to the temper rolling technology after cold-rolled steel sheet is annealed, can satisfy the requirement of draft 0.3～10%, can guarantee at a high speed, steadily rolling; It is especially suitable greater than 3% o'clock when draft is had relatively high expectations.The extreme boundary lubrication performance that the present composition is suitable can provide suitable lubricated guarantee, thereby reduces the steel plate wearing and tearing, improves plate face quality, has also solved simultaneously because of the extreme boundary lubrication performance improves to cause cleaning performance to reduce these technological difficulties.In addition, do not contain the harmful material of Sodium Nitrite in the present composition, safe and reliable, obtained better technical effect.
The assessment method of wet-leveling liquid composite of the present invention is following:
Outward appearance: adopt visual method to measure.
Cleaning performance: the cleaning performance that adopts gravimetric determination liquid to be measured.
Extreme boundary lubrication performance: the extreme boundary lubrication performance that adopts tetra-ball machine test method (GB/T 3142) test liquid to be measured.
Rustless property: the rustless cast iron filing of 2 grams is washed secondaries with No. 120 industrial napthas; Drain the back and use hot blast drying rapidly, be laid in the bottom then equably and be placed with middle having drawn on the petridish of 30 millimeters * 30 millimeters grid filter paper (wherein being divided into 5 millimeters * 5 millimeters big lattices totally 36 lattice).With 2 milliliters of pipette, extract 4 weight % liquid to be measured; Be sprinkled upon on the iron filings equably; Cover petridish, room temperature held 72 h observation iron filings corrosion changing conditions rinse out the iron filings on the filter paper with tap water then; With hot blast filter paper is dried up, with reference to the antirust evaluation criteria inspection of table 1, the corrosion situation on the evaluation filter paper.
Table 1
Through embodiment the present invention is done further elaboration below.
Embodiment
[embodiment 1～12]
Water is heated to 40 ℃, adds rust-preventive agent, pH value regulator, clean-out system, cleaning additive, lubricant and the skimmer of aequum in the stirring successively, fully stir and stop after 2 hours stirring and heating, leave standstill after-filtration can in 1.5 hours and get final product.Each component and content thereof are seen table 2, and performance is seen table 3.In the table 2,
EL-20: castor oil polyoxyethylene ether HEDTA: ethylenediamine triacetic acid sodium salt
STPP: tripoly phosphate sodium STPP EDTA-4Na: tetrasodium ethylenediamine tetraacetate
EL-30: castor oil polyoxyethylene ether AEO-6: aliphatic alcohol polyethenoxy 6 ethers
EO/PO polyethers: ethylene oxide/propylene oxide polyethers
[Comparative Examples 1]
The wet-leveling liquid of patent CN200710023703.6A [embodiment 6], it is formed as follows: C
8～C
12Lipid acid 30%, 2-amino-2-methyl 1-propyl alcohol 25%, mercaptobenzothiazole 24.9%, sodium wolframate 5%, yellow soda ash 5%, AEO 0.1%, water 10%.Its performance is seen table 3.
[Comparative Examples 2]
The wet-leveling liquid of patent DE3923283A1 [embodiment 4], it is formed as follows: diethanolamine hydrochloride 14%, m-phthalic acid 7%, triethanol amine oleate 14%, sebacic acid zinc 7%, lauryl-N-methyl aminoacetic acid sodium 5%, water 53%.Its performance is seen table 3.
Table 3
| Outward appearance | Cleaning performance | Rustless property | Extreme boundary lubrication performance (P B)，N* | |
| Embodiment 1 | The transparent red brown liquid | 91.99％ | 0 grade | 235 |
| Embodiment 2 | The transparent red brown liquid | 90.85％ | 1 grade | 235 |
| Embodiment 3 | The transparent red brown liquid | 88.48％ | 0 grade | 196 |
| Embodiment 4 | The transparent red brown liquid | 92.44％ | 0 grade | 314 |
| Embodiment 5 | The transparent red brown liquid | 92.38％ | 0 grade | 314 |
| Embodiment 6 | Transparent weak yellow liquid | 84.88％ | 1 grade | 235 |
| Embodiment 7 | Transparent weak yellow liquid | 90.25％ | 2 grades | 314 |
| Embodiment 8 | Transparent weak yellow liquid | 82.89％ | 1 grade | 314 |
| Embodiment 9 | Transparent weak yellow liquid | 91.26％ | 0 grade | 314 |
| Embodiment 10 | The transparent red brown liquid | 88.46％ | 0 grade | 196 |
| Embodiment 11 | The transparent red brown liquid | 84.36％ | 2 grades | 314 |
| Embodiment 12 | The transparent red brown liquid | 90.72％ | 1 grade | 392 |
| Comparative Examples 1 | The transparent red brown liquid | 84.75％ | 1 grade | 157 |
| Comparative Examples 2 | Transparent weak yellow liquid | 79.40％ | 2 grades | 118 |
* the extreme boundary lubrication performance of all embodiment shown in the table 3 all adopts the test of tetra-ball machine test method, proves through production practice: P
BIt is 0.3～3% flattening process requirement that the wet-leveling liquid product of value＜20kg (being 196N) can satisfy draft; 20kg (being 196N)＜P
BIt is 3～6% flattening process requirement that the wet-leveling liquid product of value＜24kg (being 235N) can satisfy draft; 24kg (being 235N)＜P
BIt is 6～10% flattening process requirement that the wet-leveling liquid product of value＜32kg (being 314N) can satisfy draft.
Claims (10)
1. wet-leveling liquid composite comprises following component in parts by weight:
A) 5～50 parts rust-preventive agent;
B) 1～12 part clean-out system;
C) 0.5～10 part lubricant;
D) 28～93.5 parts water;
Wherein said rust-preventive agent is selected from Sodium Benzoate, phenylformic acid monoethanolamine, p-Nitrobenzenecarboxylic acid monoethanolamine, sebacic acid sodium, sebacic acid monoethanolamine, dodecenylsuccinic acid diethylolamine, Monoethanolamine Oleate, ten sodium hisbenzene sulfonates, 18 Phenylsulfonic acid amine, gather at least a in alkoxyl group SULPHOSUCCINIC ACID ESTER diethylolamine, boric acid monoethanolamine or the water-soluble boron acid esters;
Said clean-out system is selected from X 2073, oleyl alcohol sulfuric ester sodium salt, sodium dodecyl aminopropionitrile, alkyl dimethyl trimethyl-glycine, polyoxyethylene nonylphenol, polyoxyethylene octylphenol ether, C
12～C
18At least a in the AEO;
Said lubricant is selected from least a in Malaysia oleic acid tri-isopropanolamine salt, coconut oil monoethanolamine amidophosphoric acid ester, polyoxyethylene oleic acid ester, carboxylic acid ethylene oxide adduct, carboxylic acid propylene oxide adduct, PEP-101, castor oil polyoxyethylene ether, Turkey red oil, alkyl epoxy ethyl group thiophosphatephosphorothioate or the water-soluble thiophosphatephosphorothioate.
2. wet-leveling liquid composite according to claim 1 is characterized in that in parts by weight,
A) amount ranges of rust-preventive agent is 10～40 parts;
B) amount ranges of clean-out system is 3～10 parts;
C) amount ranges of lubricant is 1～8 part;
D) amount ranges of water is 42～86 parts.
3. wet-leveling liquid composite according to claim 2 is characterized in that in parts by weight,
A) amount ranges of rust-preventive agent is 15～30 parts;
B) amount ranges of clean-out system is 5～8 parts;
C) amount ranges of lubricant is 2～7 parts;
D) amount ranges of water is 55～78 parts.
4. wet-leveling liquid composite according to claim 1; It is characterized in that in parts by weight; Also comprise e in the said compsn) 1～15 part pH value regulator; Wherein pH value regulator is selected from sodium hydroxide, Pottasium Hydroxide, yellow soda ash, sodium hydrogencarbonate, potassium hydrogen phosphate, potassium primary phosphate, Sodium phosphate, dibasic, monoethanolamine, trolamine, quadrol or N-methyl-2, at least a in the 3-dihydroxypropyl amine.
5. wet-leveling liquid composite according to claim 4 is characterized in that in parts by weight, and the consumption of pH value regulator is 3～12 parts in the said compsn.
6. wet-leveling liquid composite according to claim 1; It is characterized in that in parts by weight; Also comprise f in the said compsn) 0.1～5 part cleaning additive, wherein cleaning additive is selected from least a in yellow soda ash, water glass, Starso, TSPP, Sodium hexametaphosphate 99, tripoly phosphate sodium STPP, Trisodium Citrate, tetrasodium ethylenediamine tetraacetate or the ethylenediamine triacetic acid sodium salt.
7. wet-leveling liquid composite according to claim 6 is characterized in that in parts by weight, and the consumption of cleaning additive is 0.1～3 part in the said compsn.
8. wet-leveling liquid composite according to claim 1; It is characterized in that in parts by weight; Also comprise g in the said compsn) 0.01～0.5 part skimmer, wherein skimmer is selected from least a in polyethers, methyl-silicone oil, hydroxy silicon oil, amido silicon oil or the YSR 3286.
9. wet-leveling liquid composite according to claim 8 is characterized in that in parts by weight, and the consumption of skimmer is 0.05～0.2 part in the said compsn.
10. each described wet-leveling liquid composite of claim 1～9 is used for the smooth operation of cold-rolled steel sheet.
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| CN102002714B true CN102002714B (en) | 2012-07-04 |
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