CN102268681A - Degreaser for coated steel plate production and preparation method thereof - Google Patents
Degreaser for coated steel plate production and preparation method thereof Download PDFInfo
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- CN102268681A CN102268681A CN2010102016203A CN201010201620A CN102268681A CN 102268681 A CN102268681 A CN 102268681A CN 2010102016203 A CN2010102016203 A CN 2010102016203A CN 201010201620 A CN201010201620 A CN 201010201620A CN 102268681 A CN102268681 A CN 102268681A
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Abstract
The invention discloses a degreaser for coated steel plate production and a preparation method thereof. The degreaser is characterized by comprising the following raw materials by weight percent: 5-10% of polyethylene glycol used as an additive, 10-15% of non-ionic surfactant used as a surfactant, 3-6% of one or more of molybdate, silicate and sodium benzoate used as a corrosion inhibitor and the balance of water-based degreasing cleaning agent. The applicable temperature range of the degreaser is 40-55 DEG C. The preparation method of the degreaser comprises the following steps of: mixing the corrosion inhibitor with the water-based degreasing cleaning agent, then adding the mixture to a container holding water, stirring, and then adding the additive and the surfactant to the container.
Description
Technical field
The invention belongs to color-painted steel strip and produce the pretreatment technology field, relate in particular to a kind of coated steel sheet production with grease-removing agent and compound method.
Background technology
The anti-corrosion capability of color-painted steel strip excellence and decorate properties are to realize by obtaining the good coating of sticking power at substrate surface, for strengthening the sticking power of coating to substrate surface, improve the anti-corrosion capability of color-painted steel strip, before the steel plate coating, must carry out pre-treatment to surface of steel plate, pre-treatment generally includes technological processs such as degreasing, table accent, passivation.Degreasing is most important as pretreated first link, directly influences the effect of subsequent technique and the quality of product.Grease-removing agent is that the physical and chemical activity by chemical substance weakens or the effect of sticking of failure surface dirt, and makes the dirt dissolving that removes, disperses or be suspended in the scavenging solution, no longer is deposited on the metallic surface, thereby obtains the metallic surface of cleaning.
At present, the kind of metal surface degreasing agent is a lot, has introduced the grease-removing agent on a kind of clean metal surface as " grease-removing agent and the compound method thereof " of publication number: CN101200804A, its duration of efficacy is long, cost is low, and degreasing effect is good, but because phosphorous and harmful to environment in its prescription." a kind of industrial agent of non-phosphate degreasing that is used for the additive of industrial agent of non-phosphate degreasing and contains this additive " of publication number: CN1888040A, " agent of non-phosphate degreasing " of publication number: CN101314855A, it is good that patents such as publication number: CN101358355A " additive of agent of non-phosphate degreasing and the agent of non-phosphate degreasing that contains this additive " has all highlighted deoiling effect, and it is without phosphorus, the grease-removing agent of environmental sound, but these grease-removing agents have been ignored the Special Circumstances of present color-painted steel strip production with substrate at cold-reduced sheet or the preparation of other metallic surfaces.Color-painted steel strip production at present mainly is zinc-plated, hot-dip aluminizing zinc or pot galvanize aluminum steel plate with substrate; because zinc is amphoteric metal; character is active; under acid and alkalescence all corrosion reaction can take place; so when carrying out skimming treatment, except greasy dirt, dust and other dirts that will remove substrate surface, also want the protective coating metal itself not to be damaged by corrosion, could guarantee the corrosion resisting property of coating substrate like this; obtain clean base plate, thereby obtain the stronger coating of sticking power.
Produce the used grease-removing agent of color-painted steel strip at present and have following problem:
(1). grease-removing agent alkalescence is stronger, can corrode part zinc layer during degreasing, forms precipitation, and grease-removing agent effective ingredient density loss influences the corrosion resisting property of degreasing effect and substrate.
(2). color-painted steel strip production at present based on phosphorous grease-removing agent, has certain hazardness to environment with grease-removing agent, can increase the cost and the energy consumption of wastewater treatment simultaneously.
(3). degreasing produces a large amount of foams, can take away the partially skimmed agent like this, influences degreasing effect and Working environment.
In sum,, need a kind of deoiling effect good, and can protect zinc coating not to be destroyed, steep the grease-removing agent of environmental protection less in order to reduce the destruction of color-painted steel strip production pre-treatment degreasing process to hot dip galvanizing substrate.
Summary of the invention
The purpose of this invention is to provide good, the low alkali environmental protection of a kind of degreasing effect and do not corrode substrate coating, coated steel sheet production cheaply grease-removing agent and collocation method thereof.
Technical scheme of the present invention is: a kind of coated steel sheet production grease-removing agent, comprise additive, tensio-active agent, inhibiter and water base degreased cleaning agent, it is characterized in that being made up of following raw materials by weight percent: additive is 5%～10% polyoxyethylene glycol, tensio-active agent is 10%～15% nonionogenic tenside, inhibiter is one or more of 3%～6% molybdate, silicate and Sodium Benzoate, and surplus is water base degreased cleaning agent.
Nonionogenic tenside is one or both of sucrose fatty ester and alkyl glycoside.
Water base degreased cleaning agent is one or more of sodium hydroxide, yellow soda ash, Sodium Tetraborate.
Coated steel sheet production is 40～55 ℃ with grease-removing agent Applicable temperature scope.
A kind of coated steel sheet production is characterized in that with the compound method of grease-removing agent, and inhibiter and water base degreased cleaning agent are mixed the container for stirring that the back adding fills water, then additive and tensio-active agent is added in this container.
The present invention compared with prior art has good oil removing scrubbing effect, has protected the zinc coating of coated steel sheet production with substrate simultaneously, guarantees that its original corrosion resisting property is not destroyed, and reduces the hazardous property of grease-removing agent, reduces cost for wastewater treatment and energy consumption.
Embodiment
Below the specific embodiment of the present invention is specifically introduced:
Embodiment 1:
Sucrose fatty ester 2%, alkyl glycoside 10%, polyoxyethylene glycol 5%, water glass 6%, yellow soda ash 47%, sodium hydroxide 30%, according to above-mentioned weight percent the container that fills water is put in water glass, yellow soda ash and sodium hydroxide mixing, then sucrose fatty ester, alkyl glycoside and polyoxyethylene glycol are put into wherein, hand mixing can be used, and practical use temperature is 50 ℃.
Embodiment 2:
Sucrose fatty ester 10%, polyoxyethylene glycol 8%, Sodium orthomolybdate 5%, yellow soda ash 27%, Sodium Tetraborate 25%, sodium hydroxide 25%, according to above-mentioned weight percent the container that fills water is put in Sodium orthomolybdate, yellow soda ash, Sodium Tetraborate and sodium hydroxide mixing, then sucrose fatty ester and polyoxyethylene glycol are put into wherein, hand mixing can be used, and practical use temperature is 45 ℃.
Embodiment 3:
Alkyl glycoside 15%, polyoxyethylene glycol 10%, Sodium Benzoate 5%, yellow soda ash 45%, sodium hydroxide 25% is put into the container that fills water according to above-mentioned weight percent with Sodium Benzoate, yellow soda ash and sodium hydroxide mixing, then alkyl glycoside and polyoxyethylene glycol is put into wherein, hand mixing can be used, and practical use temperature is 50 ℃.
Embodiment 4:
Sucrose fatty ester 9%, alkyl glycoside 4%, polyoxyethylene glycol 7%, Sodium orthomolybdate 3%, yellow soda ash 37%, Sodium Tetraborate 40%, according to above-mentioned weight percent the container that fills water is put in Sodium orthomolybdate, yellow soda ash and Sodium Tetraborate mixing, then sucrose fatty ester, alkyl glycoside and polyoxyethylene glycol are put into wherein, hand mixing can be used, and practical use temperature is 55 ℃.
Embodiment 5:
Sucrose fatty ester 7%, alkyl glycoside 7%, polyoxyethylene glycol 6%, water glass 4%, yellow soda ash 50%, Sodium Tetraborate 26%, according to above-mentioned weight percent the container that fills water is put in water glass, yellow soda ash and Sodium Tetraborate mixing, then sucrose fatty ester, alkyl glycoside and polyoxyethylene glycol are put into wherein, hand mixing can be used, and practical use temperature is 40 ℃.
Each embodiment the key technical indexes is as shown in table 1:
Each embodiment the key technical indexes of table 1:
Claims (4)
1. coated steel sheet production grease-removing agent, comprise additive, tensio-active agent, inhibiter and water base degreased cleaning agent, it is characterized in that being made up of following raw materials by weight percent: additive is 5%～10% polyoxyethylene glycol, tensio-active agent is 10%～15% nonionogenic tenside, inhibiter is one or more of 3%～6% molybdate, silicate and Sodium Benzoate, and surplus is water base degreased cleaning agent.
2. coated steel sheet production grease-removing agent according to claim 1 is characterized in that: described nonionogenic tenside is one or both of sucrose fatty ester and alkyl glycoside.
3. coated steel sheet production grease-removing agent according to claim 1 is characterized in that: described water base degreased cleaning agent is one or more of sodium hydroxide, yellow soda ash, Sodium Tetraborate.
4. a coated steel sheet production grease-removing agent collocation method according to claim 1 is characterized in that, inhibiter and water base degreased cleaning agent are mixed the container for stirring that the back adding fills water, then additive and tensio-active agent is added in this container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102016203A CN102268681B (en) | 2010-06-07 | 2010-06-07 | Degreaser for coated steel plate production and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102016203A CN102268681B (en) | 2010-06-07 | 2010-06-07 | Degreaser for coated steel plate production and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102268681A true CN102268681A (en) | 2011-12-07 |
| CN102268681B CN102268681B (en) | 2013-12-11 |
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| CN2010102016203A Active CN102268681B (en) | 2010-06-07 | 2010-06-07 | Degreaser for coated steel plate production and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045773A (en) * | 2012-12-28 | 2013-04-17 | 汤普勒化工染料(嘉兴)有限公司 | Environment-friendly surface active agent for tanning |
| CN103469239A (en) * | 2013-09-25 | 2013-12-25 | 太仓市微贯机电有限公司 | Metal cleaner |
| CN103469237A (en) * | 2013-09-25 | 2013-12-25 | 太仓市微贯机电有限公司 | Metal oil contamination cleaner |
| CN103469231A (en) * | 2013-09-11 | 2013-12-25 | 太仓市微贯机电有限公司 | Metal surface cleaning agent |
| CN103469238A (en) * | 2013-09-25 | 2013-12-25 | 太仓市微贯机电有限公司 | Non-phosphorus metal cleaner |
| CN103469228A (en) * | 2013-09-25 | 2013-12-25 | 太仓市微贯机电有限公司 | Environmentally-friendly water-based metal cleaner |
| CN103469230A (en) * | 2013-09-25 | 2013-12-25 | 太仓市微贯机电有限公司 | Water-based metal brightener |
| CN103484882A (en) * | 2013-09-25 | 2014-01-01 | 太仓市微贯机电有限公司 | Environment-friendly metal cleaning agent |
| CN103820800A (en) * | 2014-02-20 | 2014-05-28 | 苏州龙腾万里化工科技有限公司 | Low-temperature degreasing cleaning agent |
| CN104962938A (en) * | 2015-07-23 | 2015-10-07 | 马鞍山市鸿翮实业有限公司 | Concentrated liquid degreasing agent for silicon steel continuous annealing production line and preparation method thereof |
| CN105256322A (en) * | 2015-11-02 | 2016-01-20 | 常熟风范电力设备股份有限公司 | Acid pickling method adopted before passivating treatment of steel structure |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045773A (en) * | 2012-12-28 | 2013-04-17 | 汤普勒化工染料(嘉兴)有限公司 | Environment-friendly surface active agent for tanning |
| CN103045773B (en) * | 2012-12-28 | 2015-04-08 | 汤普勒化工染料(嘉兴)有限公司 | Environment-friendly surface active agent for tanning |
| CN103469231A (en) * | 2013-09-11 | 2013-12-25 | 太仓市微贯机电有限公司 | Metal surface cleaning agent |
| CN103469237A (en) * | 2013-09-25 | 2013-12-25 | 太仓市微贯机电有限公司 | Metal oil contamination cleaner |
| CN103469238A (en) * | 2013-09-25 | 2013-12-25 | 太仓市微贯机电有限公司 | Non-phosphorus metal cleaner |
| CN103469228A (en) * | 2013-09-25 | 2013-12-25 | 太仓市微贯机电有限公司 | Environmentally-friendly water-based metal cleaner |
| CN103469230A (en) * | 2013-09-25 | 2013-12-25 | 太仓市微贯机电有限公司 | Water-based metal brightener |
| CN103484882A (en) * | 2013-09-25 | 2014-01-01 | 太仓市微贯机电有限公司 | Environment-friendly metal cleaning agent |
| CN103469239A (en) * | 2013-09-25 | 2013-12-25 | 太仓市微贯机电有限公司 | Metal cleaner |
| CN103820800A (en) * | 2014-02-20 | 2014-05-28 | 苏州龙腾万里化工科技有限公司 | Low-temperature degreasing cleaning agent |
| CN104962938A (en) * | 2015-07-23 | 2015-10-07 | 马鞍山市鸿翮实业有限公司 | Concentrated liquid degreasing agent for silicon steel continuous annealing production line and preparation method thereof |
| CN104962938B (en) * | 2015-07-23 | 2018-04-20 | 马鞍山市鸿翮实业有限公司 | A kind of concentrated liquid degreasing agent for silicon steel continuous annealing production line and preparation method thereof |
| CN105256322A (en) * | 2015-11-02 | 2016-01-20 | 常熟风范电力设备股份有限公司 | Acid pickling method adopted before passivating treatment of steel structure |
| CN105256322B (en) * | 2015-11-02 | 2018-06-15 | 常熟风范电力设备股份有限公司 | A kind of acid washing method before steel construction Passivation Treatment |
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| CN102268681B (en) | 2013-12-11 |
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