CN102877075B - Metal surface oil and rust removal agent - Google Patents
Metal surface oil and rust removal agent Download PDFInfo
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- CN102877075B CN102877075B CN201210351950.XA CN201210351950A CN102877075B CN 102877075 B CN102877075 B CN 102877075B CN 201210351950 A CN201210351950 A CN 201210351950A CN 102877075 B CN102877075 B CN 102877075B
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Abstract
The invention provides a metal surface oil and rust removal agent, and belongs to the technical field of cleaning agents. The metal surface oil and rust removal agent comprises the following components by weight: 2 to 4 parts of hydrochloric acid, 5 to 10 parts of phosphoric acid, 3 to 6 parts of oxalic acid, 3 to 5 parts of glacial acetic acid, 2 to 4 parts of citric acid, 3 to 4 parts of polyvinyl alcohol, 1 to 2 parts of hexamethylene tetramine, 2 to 3 parts of ethylene oxide, 1 to 2 parts of glyoxal, 2 to 3 parts of magnesium stearate, 2 to 4 parts of glycerol, 2 to 4 parts of thiourea, 2 to 4 parts of ammonium molybdate, 1 to 2 parts of polyaspartic acid, 2 to 4 parts of EDTA-Na2, 1 to 2 parts of ethylene diamine tetra sodium, 1 to 3 parts of poly maleic acid sodium, 2 to 3 parts of HEDPA, 2 to 6 parts of surface active agent and 70 to 100 parts of water. The metal surface oil and rust removal agent is convenient to use, and removes light rust for about 2 minutes and heavy rust for 6 to 7 minutes, and the oil removal rate can reach more than 97%.
Description
Technical field
The invention provides a kind of metallic surface oil-removing rust-removing agent, belong to clean-out system technical field.
Background technology
Processing of rust removing is the basic working procedure before steel surface is covered with paint, lacquer, colour wash, etc.Derusting method is broadly divided into machinery, chemistry and electrochemical process three major types, and their its features of each tool, are applicable to different occasions.Wherein, the series of advantages such as that chemical method has is effective, efficiency is high, technological operation is simple, cost is low, so be applied widely industrial.But traditional acid solution treatment process also exists obvious defect: in treating processes, the generation of a large amount of hydrogen can make steel produce Hydrogen Brittleness Phenomena, affects the intensity of iron and steel itself; Easily form acid mist simultaneously, affect operator's health and corrosion equipment and environment around.Existing rust removing solution ubiquity weak effect, long shortcoming of rust cleaning time.In addition, due to when the metallic substance such as iron and steel are carried out to surface working, also need surface to carry out the treatment step of oil removing, this step is normally before chemical rust removing, this can make the processing step of metal finishing increase, strengthened the complicacy of process, the cost that raise, also can cause more pollution.
Summary of the invention
For the above commentary to prior art, technical problem to be solved by this invention is: the metal surface treating liquid of a kind of while oil removing and rust cleaning is provided, adopts technical scheme to be:
A metallic surface oil-removing rust-removing agent, comprises following component by weight: 2～4 parts of hydrochloric acid, 5～10 parts of phosphoric acid, 3～6 parts of oxalic acid, 3～5 parts, Glacial acetic acid, 2～4 parts of citric acids, 3～4 parts of polyvinyl alcohol, 1～2 part of hexamethylenetetramine, 2～3 parts, oxyethane, 1～2 part of oxalic dialdehyde, 2～3 parts of magnesium stearates, 2～4 parts of glycerine, 2～4 parts of thiocarbamides, 2～4 parts of ammonium molybdates, 1～2 part of poly aspartic acid, EDTA-Na
22～4 parts, 1～2 part of sodium ethylenediamine tetramethylenephosphonate, 1～3 part, polymaleic acid sodium, 2～3 parts of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid, 2～6 parts, tensio-active agent, 70～100 parts, water.
Above-mentioned tensio-active agent is preferably from aniorfic surfactant, more preferably polyoxyethylenated alcohol sodium sulfate.
The molecular weight of above-mentioned polyvinyl alcohol preferably 10,000～30,000.
Preparation method is
S1: add water, hydrochloric acid, phosphoric acid, oxalic acid, Glacial acetic acid, citric acid, EDTA-Na
2, sodium ethylenediamine tetramethylenephosphonate, polymaleic acid sodium, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid, be then slowly warmed up to 40 ℃ of left and right, be incubated 30～60 minutes, let cool;
S2: in S1 gained mixture, add while stirring polyvinyl alcohol, hexamethylenetetramine, it is fully dissolved;
S3: in the mixture of S2, add oxyethane, oxalic dialdehyde, magnesium stearate, glycerine, thiocarbamide, ammonium molybdate, poly aspartic acid, tensio-active agent, stir.
The weak acid such as phosphoric acid, oxalic acid, Glacial acetic acid, citric acid can be protected metal base effectively, reduce it to be corroded, and reduce the harm of hydrogen embrittlement to product.Poly aspartic acid is inhibiter, can prevent that oil-removing rust-removing agent from producing corrosion to metal substrate.Thiocarbamide plays corrosion inhibition, can prevent the generation of crossing corruption and hydrogen embrittlement of workpiece.Tensio-active agent contributes to the dispersion of greasy dirt and coming off of rusty scale, also plays the effect that suppresses acid mist.
Metallic surface provided by the invention oil-removing rust-removing agent, easy to use, can carry out oil removing, pickling, rust cleaning to metal, after treatment, metallic surface is smooth smooth, can effectively increase the bonding force of metallic surface and paint, coating etc.For rust cleaning time of light rust, about 2 minutes, for rust cleaning time of heavy rust, at 6～7 minutes, oil removal rate can reach more than 97%.
Embodiment
By the weight ratio shown in table 1, prepare each component.
The weight proportion of table 1 embodiment 1～embodiment 3
Above-mentioned tensio-active agent adopts polyoxyethylenated alcohol sodium sulfate.
The molecular weight of above-mentioned polyvinyl alcohol is 10,000～30,000.
Preparation method is:
S1: add water, hydrochloric acid, phosphoric acid, oxalic acid, Glacial acetic acid, citric acid, EDTA-Na
2, sodium ethylenediamine tetramethylenephosphonate, polymaleic acid sodium, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid, be then slowly warmed up to 40 ℃ of left and right, be incubated 30～60 minutes, let cool;
S2: in S1 gained mixture, add while stirring polyvinyl alcohol, hexamethylenetetramine, it is fully dissolved;
S3: in the mixture of S2, add oxyethane, oxalic dialdehyde, magnesium stearate, glycerine, thiocarbamide, ammonium molybdate, poly aspartic acid, tensio-active agent, stir.
Performance test
According to JB/T4323.2-1999 < < water base metal cleaning agent test method > >, carry out performance measurement, and with the common anti-rusting liquid for removing oil in market in contrast.Wherein, the testing data of oil removal rate is to adopt No. 45 steel discs to be coated with artificial greasy dirt, soaks 4 hours at 40 ℃.Testing data is as shown in table 2.
The performance test data of table 2 embodiment 1～embodiment 3 and reference examples
As can be seen from the table, oil-removing rust-removing agent provided by the invention can be removed the rust of metallic substrate surface effectively, and for rust cleaning time of light rust, about 2 minutes, for rust cleaning time of heavy rust, at 6～7 minutes, oil removal rate can reach more than 97%.
Claims (4)
1. a metallic surface oil-removing rust-removing agent, is comprised of following following component by weight: 2～4 parts of hydrochloric acid, 5～10 parts of phosphoric acid, 3～6 parts of oxalic acid, 3～5 parts, Glacial acetic acid, 2～4 parts of citric acids, 3～4 parts of polyvinyl alcohol, 1～2 part of hexamethylenetetramine, 2～3 parts, oxyethane, 1～2 part of oxalic dialdehyde, 2～3 parts of magnesium stearates, 2～4 parts of glycerine, 2～4 parts of thiocarbamides, 2～4 parts of ammonium molybdates, 1～2 part of poly aspartic acid, EDTA-Na
22～4 parts, 1～2 part of sodium ethylenediamine tetramethylenephosphonate, 1～3 part, polymaleic acid sodium, 2～3 parts of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid, 2～6 parts, tensio-active agent, 70～100 parts, water, its preparation method is:
S1: add water, hydrochloric acid, phosphoric acid, oxalic acid, Glacial acetic acid, citric acid, EDTA-Na
2, sodium ethylenediamine tetramethylenephosphonate, polymaleic acid sodium, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid, be then slowly warmed up to 40 ℃, be incubated 30～60 minutes, let cool;
S2: in S1 gained mixture, add while stirring polyvinyl alcohol, hexamethylenetetramine, it is fully dissolved;
S3: in the mixture of S2, add oxyethane, oxalic dialdehyde, magnesium stearate, glycerine, thiocarbamide, ammonium molybdate, poly aspartic acid, tensio-active agent, stir.
2. metallic surface according to claim 1 oil-removing rust-removing agent, is characterized in that: described tensio-active agent is aniorfic surfactant.
3. metallic surface according to claim 2 oil-removing rust-removing agent, is characterized in that: described aniorfic surfactant is polyoxyethylenated alcohol sodium sulfate.
4. metallic surface according to claim 1 oil-removing rust-removing agent, is characterized in that: the molecular weight ranges of described polyvinyl alcohol is 10,000～30,000.
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| CN201210351950.XA CN102877075B (en) | 2012-09-20 | 2012-09-20 | Metal surface oil and rust removal agent |
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| CN201210351950.XA CN102877075B (en) | 2012-09-20 | 2012-09-20 | Metal surface oil and rust removal agent |
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| CN102877075B true CN102877075B (en) | 2014-03-26 |
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| CN103422107B (en) * | 2013-08-23 | 2015-06-17 | 苏州长盛机电有限公司 | Method for processing rusty chains |
| CN104651847A (en) * | 2013-11-25 | 2015-05-27 | 陈克华 | Steel surface rust conversion emulsion |
| CN103642479A (en) * | 2013-12-03 | 2014-03-19 | 中国石油集团渤海钻探工程有限公司 | Cleaning agent for residual oil well cement precipitation layer on inner wall of pipeline |
| CN103668247A (en) * | 2013-12-20 | 2014-03-26 | 海安县吉程机械有限公司 | Efficient degreasing and rust removing solution |
| CN103668245A (en) * | 2013-12-27 | 2014-03-26 | 马振铨 | Efficient and environment-friendly oil-removing, rust-removing and descaling agent and preparation method thereof |
| CN104388918A (en) * | 2014-10-30 | 2015-03-04 | 青岛昌安达药业有限公司 | Metal product surface treating agent |
| CN104451729B (en) * | 2014-12-02 | 2016-09-14 | 成都锦汇科技有限公司 | Rust cleaning reagent |
| CN105755480B (en) * | 2016-05-17 | 2018-06-19 | 江苏筑磊电子科技有限公司 | Efficient acidic cleaner |
| CN105755481A (en) * | 2016-05-20 | 2016-07-13 | 黄洪飞 | Metal rust removing and preventing agent |
| CN106085560A (en) * | 2016-06-02 | 2016-11-09 | 安徽开林新材料股份有限公司 | A kind of steel surface derusts preservative and preparation method thereof |
| CN105925992A (en) * | 2016-07-14 | 2016-09-07 | 南通中兴多元复合钢管有限公司 | Novel rust remover |
| CN105970233A (en) * | 2016-07-14 | 2016-09-28 | 南通中兴多元复合钢管有限公司 | Environment-friendly rust remover |
| CN106311797B (en) * | 2016-08-30 | 2018-05-22 | 安吉县鹏大钢管有限公司 | A kind of preparation process of pinion steel seamless pipe |
| CN106269980B (en) * | 2016-08-30 | 2018-08-24 | 安吉县鹏大钢管有限公司 | A kind of preparation process of seamless steel pipe |
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| CN107043938A (en) * | 2016-12-14 | 2017-08-15 | 安徽扬子化工有限公司 | A kind of engineering machinery rust remover |
| CN107326369A (en) * | 2017-06-15 | 2017-11-07 | 广东红日星实业有限公司 | A kind of metal surface normal temperature quick cleaning descaling agent and preparation method thereof |
| CN107841751A (en) * | 2017-11-13 | 2018-03-27 | 徐州华瑞机械锻造有限公司 | A kind of plant equipment corrosion inorganic agent and its processing method |
| CN108085693A (en) * | 2017-12-22 | 2018-05-29 | 肇庆欧迪斯实业有限公司 | Rust cleaning antirusting agent |
| CN108130547B (en) * | 2018-01-03 | 2020-04-21 | 中国科学院过程工程研究所 | Oil and rust removing cleaning solution and use method thereof |
| CN108301005A (en) * | 2018-03-30 | 2018-07-20 | 海安县中丽化工材料有限公司 | A kind of preparation method of metal decontamination rust remover |
| CN108277495A (en) * | 2018-03-30 | 2018-07-13 | 海安县中丽化工材料有限公司 | A kind of metal decontamination rust remover |
| CN108753029A (en) * | 2018-05-14 | 2018-11-06 | 诸城市福日机械有限公司 | A kind of paint scavenger |
| CN108658263A (en) * | 2018-07-13 | 2018-10-16 | 安徽康瑞高科新材料技术工程有限公司 | A kind of paint waste water treatment agents and preparation method thereof |
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