CN1091161A - High-efficiency oil and rust removing agent for metal surface - Google Patents
High-efficiency oil and rust removing agent for metal surface Download PDFInfo
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- CN1091161A CN1091161A CN 94110012 CN94110012A CN1091161A CN 1091161 A CN1091161 A CN 1091161A CN 94110012 CN94110012 CN 94110012 CN 94110012 A CN94110012 A CN 94110012A CN 1091161 A CN1091161 A CN 1091161A
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Abstract
A kind of metal degreasing derusting agent of forming with mineral acid, organic acid, salt, inhibiter, tensio-active agent and water wherein except that containing 15% hydrochloric acid, also contains organic acid and organic acid salts such as oxalic acid; Inhibiter such as FHX-1; Tensio-active agent such as peregal and (or) inorganic salt such as sodium-chlor.This oil-removing rust-removing agent can be at room temperature, and greasy dirt and rusty scale with the metallic surface in 3～5 minutes clean up, and then can be directly used in coating and other processing, only is 0.0048g/m to the matrix metal corrosion speed
2Below the min.
Description
What the present invention relates to is a kind of metallic surface oil-removing rust-removing agent and compound method thereof.
Metallic surface oil removing in the past and rust cleaning are proceed step by step: deoil in alkali lye earlier, then eliminate rust in acid solution again.In recent years studies show that oil removing and rust cleaning can be finished in a step, and key is the combination of the chemical composition that various performances are different, and various now effective degreasing and rust removal technology and product widely used industrial already.Make treatment solution as CN86107238A with aluminium powder, sodium hydroxide, hexamethylenetetramine, polyoxyethylene aliphatic alcohol ether, oxyethane and phosphorylated ligand, oil removing, rust cleaning, pickling, passivation, phosphatization are carried out synchronously.The prescription that CN87104237A provided then contains basic salt, washing composition, citric acid, phosphoric acid, formaldehyde and water and forms.CN90105444.5 then adopts multiple nonionic and ionogenic surfactant and sulfuric acid preparation treatment solution.Shandong elder generation heptan etc., (" sufacing " in March, 1992), Zhao Jinlong also provided the technology and the prescription of similar oil removing, rust cleaning (" sufacing " in June, 1992) in addition.Yet these prior aries more or less exist some defectives and deficiency at aspects such as treatment condition (temperature, time), anticorrosion, operations.
The present invention is by a kind of preferential prescription of being made up of mineral acid, organic acid (comprising organic acid salt), inorganic salt, inhibiter and tensio-active agent and water is provided behind the big quantity research, under each component appropriate cooperation and synergy, make metallic surface degreasing and rust removal process at room temperature fully to carry out at a high speed, and can prevent corrosion effectively.
The present invention is the main ingredient of rust cleaning with 15% hydrochloric acid, and it is formulated that other adds 3～4 groups of additives.First group is organic acid and organic acid salt, and its effect improves rust cleaning speed, increase the service life, used kind and when using in treatment agent content (kg/m
3) be:
Oxalic acid 1～20
Seignette salt 5～10
Lactic acid 7～30
Citric acid 1～30
Resorcinol 0.5～5.0
Can contain single variety, also can contain wherein 2～4 kinds, total content is 5～65kg/m
3Second group is inorganic salt, and it act as the speed of response that improves rust cleaning.Used kind and when using in treatment agent content (kg/m
3) be
Sodium-chlor 10～40
Tin protochloride 1～10
Iron trichloride 5～10
Sodium Nitrite 0.1～0.5
Can contain single variety, also can contain wherein 2 kinds, total content is 4～45kg/m
3This group additive is just used in case of necessity.The 3rd group is inhibiter, to prevent that the burn into of metallic matrix is reduced hydrogen embrittlement.Used kind and when using in treatment agent content (kg/m
3) be:
FHX-1 10～20
841-93 5～20
Urotropine 1～10
Thiocarbamide 1～10
Can contain single variety, also can contain wherein 2 kinds, total content is 1～30kg/m.The 4th group is tensio-active agent, improves wetting action, reduces surface tension to reach deoiling effect, can suppress acid mist in case of necessity.Used kind and when using in treatment agent content (kg/m
3) be:
Peregal 1～10
NP-10 1～10
SDS 1～10
CPC 1～10
Can contain single variety, also can contain wherein 2 kinds, total content is 1～20kg/m.
Compound method is: the water that adds total metering half in Preparation tank earlier, under agitation will respectively organize additive solution with the less water dissolved respectively then adds respectively, miscible back adds the concentrated hydrochloric acid (30～38%) of calculated amount, the concentration of hydrochloric acid 15% of last treatment agent is if excessive concentration is then diluted it with water.Each component adds and stirs and can use, and the metal that can will have greasy dirt and rusty scale under the room temperature in 3～5 minutes is removed totally, and it is all good to immerse cleaning and brushing cleaning performance.Metallic surface after degreasing and rust removal is handled is bright, smooth, can directly carry out coating or other processing.The present invention adopts standard method, and corrosion check is carried out in strictness, handles through the inventive method, and its corrosion speed to metallic matrix is 0.0048g/m
2Below the min.
Characteristics of the present invention are: the treatment agent that adopts acid, salt, inhibiter and the tensio-active agent of difference in functionality to be mixed with, high speed degreasing and rust removal at normal temperatures can make metallic matrix not be corroded again and suppresses acid mist, has played excellent synergy.Compare with more existing technology, all have remarkable advantages on required condition and the effect handling (see Table 1, table 2).
Table 1 treatment condition and effect are relatively
Use technology " sufacing " CN CN the present invention
1992.3 86107238A 87104237A
Use temperature ℃ 65 50～80 not necessarily heats 5～25
The required treatment time〉7 10～20 20 3～5
min
Deoiling effect is incomplete〉98%〉98% complete
The rust cleaning effect fully
Table 2 is handled to the metallic matrix corrosion speed relatively
Use technology " sufacing " the present invention
1992.3
To matrix metal 0.4911 0.00255～0.00479
Corrosion speed g/minm
2
Example 1
Join 1m
3The oil-removing rust-removing agent aqueous solution, dosage (kg) is:
Hydrochloric acid (32%) 500
Lactic acid 5
Sodium-chlor 10
Thiocarbamide 1
SDS 1
Water surplus
Elder generation is with 0.5m during preparation
3Water adds in the Preparation tank, under agitation will add in the groove with less water dissolved lactic acid, sodium-chlor, thiocarbamide and SDS solution successively, adds hydrochloric acid at last, and mixing can use.The steel plate that will have grease, iron rust immerses wherein, and 3～5min promptly cleans under the room temperature.To matrix corrosion speed is 0.00479g/minm
2
Example 2
Join 1m
3The oil removing degreaser aqueous solution, dosage (kg) is:
Hydrochloric acid (32%) 500
Seignette salt 5
Oxalic acid 1
Resorcinol 0.5
Urotropine 1
CPC 1
Water surplus
Join method such as example 1, making usage is brushing and immersion, and degreasing and rust removal speed is under the 3min(room temperature), be 0.00368g/minm to the matrix metal corrosion speed
2
Example 3
Dosage such as example 1, dosage (kg) is:
Hydrochloric acid (32%) 500
Oxalic acid 20
Citric acid 1
Resorcinol 5
841-93 5
Peregal 1
Water surplus
Join method and make as above example of usage, 3min eliminates oil and rust, to matrix metal corrosion speed: 0.00355g/minm
2
Example 4
Dosage such as example 1, dosage (kg) is:
Hydrochloric acid (32%) 500
Oxalic acid 10
Citric acid 30
Tin protochloride 1
Iron trichloride 5
FHX-1 10
NP-10 1
SDS 10
Water surplus
Join method and make usage such as example 2,3～5min eliminates oil and rust, to matrix metal corrosion speed: 0.00310g/minm
2
Example 5
Dosage such as example 1, hydrochloric acid content is the same, and other material amounts (kg) are:
Oxalic acid 5
Citric acid 5
Tin protochloride 10
FHX-1 20
841-93 15
NP-10 10
CPC 10
Water surplus
Join method and usage such as example 2,3min eliminates oil and rust, to matrix metal corrosion speed: 0.00255g/minm
2
Example 6
Dosage such as example 1, dosage (kg) is:
Hydrochloric acid (32%) 500
Oxalic acid 15
Citric acid 10
Lactic acid 30
Seignette salt 10
Sodium-chlor 40
Sodium Nitrite 0.1
Thiocarbamide 10
Urotropine 10
Water surplus
Join method and usage such as example 2,4min eliminates oil and rust, to matrix metal corrosion speed: 0.00463g/minm
2
Example 7
Dosage such as example 1, dosage (kg) is:
Hydrochloric acid (32%) 500
Lactic acid 15
Resorcinol 5
Iron trichloride 10
Sodium Nitrite 0.5
841-93 20
Peregal 10
SDS 1
Water surplus
Join method and usage such as example 2,5min eliminates oil and rust, to matrix metal corrosion speed: 0.00479g/minm
2
Example 8
Dosage such as example 1, dosage (kg) is:
Hydrochloric acid (32%) 500
Oxalic acid 10
Citric acid 10
NP-10 10
841-93 10
Resorcinol 1
FHX-1 10
Tin protochloride 4
Water surplus
Join method, usage such as example 2,3min eliminates oil and rust, to matrix metal corrosion speed: 0.00255g/minm
2
Claims (3)
1, a kind of metal degreasing derusting agent of forming by mineral acid, organic acid, salt, inhibiter, tensio-active agent and water, it is characterized by wherein hydrochloric is 15%; And contain following various additive, its kind and content (kg/m
3) be:
(1) oxalic acid 1～20
Seignette salt 5～10
Lactic acid 7～30
Citric acid 1～30
Resorcinol 0.5～5.0
Can contain single variety, also can contain wherein 2～4 kinds, total content is 5～65kg/m
3
(2)FHX-1 10～20
841-93 5～20
Urotropine 1～10
Thiocarbamide 1～10
Can contain single variety, also can contain wherein 2 kinds, total content is 1～30kg/m
3
(3) peregal 1～10
NP-10 1～10
SDS 1～10
CPC 1～10
Can contain single variety, also can contain wherein 2 kinds, total content is 1～20kg/m
3,
Total surplus is a water.
2, metal degreasing derusting agent as claimed in claim 1 is characterized by and wherein also contains following component, its kind and content (kg/m
3) o:
Sodium-chlor 10～40
Tin protochloride 1～10
Iron trichloride 5～10
Sodium Nitrite 0.1～0.5
Can contain single variety, also can contain wherein 2 kinds, total content is 4～45kg/m
3
3, a kind of compound method of the metal degreasing derusting agent of forming by mineral acid, organic acid, salt, inhibiter, tensio-active agent and water, it is characterized by first water and place Preparation tank the calculated amount half, to respectively organize additive solution with the less water dissolved respectively under stirring adds respectively, the concentrated hydrochloric acid that adds calculated amount at last, supply water, mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94110012 CN1091161A (en) | 1994-01-08 | 1994-01-08 | High-efficiency oil and rust removing agent for metal surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94110012 CN1091161A (en) | 1994-01-08 | 1994-01-08 | High-efficiency oil and rust removing agent for metal surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1091161A true CN1091161A (en) | 1994-08-24 |
Family
ID=5034005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94110012 Pending CN1091161A (en) | 1994-01-08 | 1994-01-08 | High-efficiency oil and rust removing agent for metal surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1091161A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071430A (en) * | 2011-01-26 | 2011-05-25 | 长安大学 | Preparation method of novel hot galvanizing pretreatment solution |
| CN102418105A (en) * | 2011-12-12 | 2012-04-18 | 天津佳倍隆科技有限公司 | Acid-washing corrosion-inhibition fog inhibitor |
| CN102877075A (en) * | 2012-09-20 | 2013-01-16 | 吴江市天源塑胶有限公司 | Metal surface oil and rust removal agent |
| CN103175830A (en) * | 2013-03-08 | 2013-06-26 | 河北省电力建设调整试验所 | Method for evaluating hydrochloric acid and corrosion inhibitor used for cleaning, and working liquid thereof |
| WO2013091177A1 (en) * | 2011-12-20 | 2013-06-27 | Rhodia (China) Co., Ltd. | Use of phenol compounds as activator for metal surface corrosion |
| CN103215154A (en) * | 2013-04-03 | 2013-07-24 | 江苏龙蟠石化有限公司 | Cleaning agent for automotive radiator and preparation method for same |
| CN103510098A (en) * | 2013-09-26 | 2014-01-15 | 杨桂望 | Metal decontaminating cleaning agent |
| CN103789775A (en) * | 2012-10-26 | 2014-05-14 | 北京白象新技术有限公司 | Compound rapid medical apparatus rust remover |
| CN104047000A (en) * | 2014-06-23 | 2014-09-17 | 梧州恒声电子科技有限公司 | Metal rust remover and preparation method thereof |
| CN104152902A (en) * | 2014-08-01 | 2014-11-19 | 东莞劲胜精密组件股份有限公司 | Porous metal treating fluid and preparation method of composite material |
| CN104195581A (en) * | 2014-09-29 | 2014-12-10 | 无锡阳工机械制造有限公司 | Ferrous metal derusting liquid |
| CN104371667A (en) * | 2013-08-14 | 2015-02-25 | 周俊杰 | Power fuel combustion fine temperature control technology |
| CN104498967A (en) * | 2014-12-31 | 2015-04-08 | 苏州禾川化学技术服务有限公司 | Multifunctional aluminum material corrosion-inhibition polishing pickling agent |
| CN107675191A (en) * | 2017-11-24 | 2018-02-09 | 重庆信人科技发展有限公司 | A kind of acid deoiling brightener |
| CN109097786A (en) * | 2018-09-28 | 2018-12-28 | 何治伟 | A kind of preparation method of metal surface residual oil cleaning agent |
| CN111534824A (en) * | 2020-05-20 | 2020-08-14 | 上海涤宝科技有限公司 | Pickling agent additive and preparation method thereof |
-
1994
- 1994-01-08 CN CN 94110012 patent/CN1091161A/en active Pending
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071430A (en) * | 2011-01-26 | 2011-05-25 | 长安大学 | Preparation method of novel hot galvanizing pretreatment solution |
| CN102418105B (en) * | 2011-12-12 | 2013-04-24 | 天津佳倍隆科技有限公司 | Acid-washing corrosion-inhibition fog inhibitor |
| CN102418105A (en) * | 2011-12-12 | 2012-04-18 | 天津佳倍隆科技有限公司 | Acid-washing corrosion-inhibition fog inhibitor |
| CN104220643A (en) * | 2011-12-20 | 2014-12-17 | 索尔维投资有限公司 | Use of phenol compounds as activator for metal surface corrosion |
| WO2013091177A1 (en) * | 2011-12-20 | 2013-06-27 | Rhodia (China) Co., Ltd. | Use of phenol compounds as activator for metal surface corrosion |
| US9523154B2 (en) | 2011-12-20 | 2016-12-20 | Solvay (China) Co., Ltd. | Use of phenol compounds as activator for metal surface corrosion |
| CN104220643B (en) * | 2011-12-20 | 2016-05-04 | 索尔维投资有限公司 | Phenolic compound is as the purposes of corrosion activator |
| CN102877075A (en) * | 2012-09-20 | 2013-01-16 | 吴江市天源塑胶有限公司 | Metal surface oil and rust removal agent |
| CN102877075B (en) * | 2012-09-20 | 2014-03-26 | 吴江市天源塑胶有限公司 | Metal surface oil and rust removal agent |
| CN103789775A (en) * | 2012-10-26 | 2014-05-14 | 北京白象新技术有限公司 | Compound rapid medical apparatus rust remover |
| CN103789775B (en) * | 2012-10-26 | 2016-03-09 | 北京白象新技术有限公司 | The quick medicine equipment rust remover of a kind of compound |
| CN103175830A (en) * | 2013-03-08 | 2013-06-26 | 河北省电力建设调整试验所 | Method for evaluating hydrochloric acid and corrosion inhibitor used for cleaning, and working liquid thereof |
| CN103175830B (en) * | 2013-03-08 | 2016-08-10 | 河北省电力建设调整试验所 | Cleaning hydrochloric acid and the evaluation methodology of corrosion inhibiter and working solution thereof |
| CN103215154A (en) * | 2013-04-03 | 2013-07-24 | 江苏龙蟠石化有限公司 | Cleaning agent for automotive radiator and preparation method for same |
| CN104371667A (en) * | 2013-08-14 | 2015-02-25 | 周俊杰 | Power fuel combustion fine temperature control technology |
| CN103510098A (en) * | 2013-09-26 | 2014-01-15 | 杨桂望 | Metal decontaminating cleaning agent |
| CN104047000A (en) * | 2014-06-23 | 2014-09-17 | 梧州恒声电子科技有限公司 | Metal rust remover and preparation method thereof |
| CN104152902A (en) * | 2014-08-01 | 2014-11-19 | 东莞劲胜精密组件股份有限公司 | Porous metal treating fluid and preparation method of composite material |
| CN104195581A (en) * | 2014-09-29 | 2014-12-10 | 无锡阳工机械制造有限公司 | Ferrous metal derusting liquid |
| CN104498967A (en) * | 2014-12-31 | 2015-04-08 | 苏州禾川化学技术服务有限公司 | Multifunctional aluminum material corrosion-inhibition polishing pickling agent |
| CN107675191A (en) * | 2017-11-24 | 2018-02-09 | 重庆信人科技发展有限公司 | A kind of acid deoiling brightener |
| CN107675191B (en) * | 2017-11-24 | 2019-08-16 | 重庆信人科技发展有限公司 | A kind of acid deoiling brightener |
| CN109097786A (en) * | 2018-09-28 | 2018-12-28 | 何治伟 | A kind of preparation method of metal surface residual oil cleaning agent |
| CN111534824A (en) * | 2020-05-20 | 2020-08-14 | 上海涤宝科技有限公司 | Pickling agent additive and preparation method thereof |
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