CN108301008A - A kind of high-efficiency environment friendly Degreasant composition and preparation method thereof and application method - Google Patents
A kind of high-efficiency environment friendly Degreasant composition and preparation method thereof and application method Download PDFInfo
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- CN108301008A CN108301008A CN201810200314.4A CN201810200314A CN108301008A CN 108301008 A CN108301008 A CN 108301008A CN 201810200314 A CN201810200314 A CN 201810200314A CN 108301008 A CN108301008 A CN 108301008A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/19—Iron or steel
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- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
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Abstract
The present invention relates to a kind of high-efficiency environment friendly Degreasant composition and preparation method thereof and application methods, and as de- agent is changed in a manner of being combined using sodium hydroxide with potassium hydroxide, sodium metasilicate is as remover booster, using sodium gluconate as chelating agent, with alkyl glycosides（APG）As activating agent, using glycerine fatty acid fat as emulsifier, using polyglycol ether as dispersant, it is mixed with to obtain with desalted water according to a certain percentage.It will be in its quantitative titration extremely the circulation fluid water tank equipped with desalted water when use, it is diluted to low concentration alkali solution, and by way of quantitatively adding, ensure that the alkali concentration of the circulation fluid water tank in degreasing production process remains unchanged, steel band continues through in circulation fluid water tank, in a manner of spray, flushing, scrub, the remaining grease of removal steel strip surface and iron powder.The combination formula of the present invention has many advantages, such as that degreasing efficiency is high, environmentally friendly, at low cost, stability is good.
Description
Technical field
The invention belongs to metal surface chemical treatment method field, relate generally to a kind of high-efficiency environment friendly Degreasant composition and
Preparation method and application method.
Background technology
Stainless steel easily has the impurity such as remaining grease and iron powder in rolling rear surface, and some enterprise's selection directly annealing is gone
Oil, steel band is heated to certain temperature in the lehr makes grease voluntarily vaporize, but remaining grease often with iron powder, ash
Other substances such as dirt are mixed in one, form the very strong greasy dirt of stickiness, are adhere strongly on steel band, it is more difficult to remove, subsequently locate
Steel strip surface carburizing, discoloration and other issues can be caused during reason, seriously affects the performance and appearance of product, so needing logical
The processes such as degreasing, cleaning, drying are crossed to remove steel strip surface residue.The method mainly used at present is de- for physics and chemistry
Fat, and chemical degreasing method usually includes acid degreasing, alkaline degreasing and organic solvent degreasing etc., acid degreasing agent easily makes steel
There is corrosion phenomenon and easily causes damages to operation employee in belt surface, and the external organic solvent degreasing agent generally used, degreasing
Though efficiency is good, equipment investment cost is larger, so alkaline defatting agent is more suitable for domestic market.But currently on the market
There is the defects of degreasing efficiency is low, and security performance is small more in alkaline defatting agent, and Some Enterprises are still using works such as alkaline phosphates
Degreasing agent is prepared for raw material, easily causes environmental pollution, will be phased out.
Invention content
, cost of investment height poor for Corrosion Protection in the prior art, easy the problems such as polluting the environment, the present invention carries
A kind of high-efficiency environment friendly Degreasant composition has been supplied, it is convenient, economical and practical to prepare, and uses it for steel band continuous degreasing cleaning,
Degreasing effect is excellent.
Its technical solution is such：A kind of high-efficiency environment friendly Degreasant composition, each raw material component and its dosage are respectively：
Sodium hydroxide：8 parts ~ 14 parts；
Potassium hydroxide：12 parts ~ 21 parts；
Sodium metasilicate：2 parts ~ 5 parts；
Sodium gluconate：2 parts ~ 5 parts；
Alkyl glycosides（APG）：0.5 part ~ 2 parts；
Glycerine fatty acid fat：0.2 part ~ 1 part；
Polyglycol ether：0.2 part ~ 1 part
Desalted water：51 parts ~ 75.1 parts.
The preparation method of the high-efficiency environment friendly Degreasant composition is：
According to above-mentioned dosage, desalted water is added after sodium hydroxide, potassium hydroxide, sodium metasilicate, sodium gluconate are mixed, at 40 DEG C
3min is stirred under the conditions of ~ 60 DEG C, maintain the temperature and suitable APG, glycerine fatty acid fat and polyglycol ether is added, completes to match
Liquid.
The application method of the high-efficiency environment friendly Degreasant composition is：
By the high-efficiency environment friendly Degreasant composition quantitative titration to being equipped in the circulation fluid water tank of desalted water, being diluted to alkali concentration is
2% ~ 3.5% lye, and by way of quantitatively adding, it is ensured that the alkali concentration of circulation fluid water tank maintains not in skimming processes
Become, steel band continues through in circulation fluid water tank, and degreaser temperature is 50 DEG C ~ 70 DEG C, steel band by speed be 80m/min ~
400m/min。
The main function of each raw material is as shown in table 1：
Present invention conductization in such a way that sodium hydroxide is combined with potassium hydroxide takes off agent, and sodium metasilicate is as remover booster, it is possible to provide
A kind of stabilization and lasting saponification, and the jelly that is formed in use of sodium metasilicate can wrap up the iron of steel strip surface
Powder helps the iron powder for removing steel strip surface remnants while removing grease；Using sodium gluconate as chelating agent, molecule
In the oxygen atom that contains can form the chelate with coordinate bond, energy with the metal ions such as calcium, magnesium of a small amount of balance in desalted water
Enough it effectively prevent calcium salt, magnesium salts etc. in the deposition of steel strip surface；Using APG as activating agent, by itself and sodium gluconate, glycerine
The nonionic surfactants such as fatty acid ester, polyglycol ether are used in compounding, and can generate synergistic effect, and APG foaming characteristics are good, are fitted
When foam can play the role of suspension greasy dirt, be beneficial to the removal of grease, the foam of dosage very little, generation will not cause greatly
Amount accumulation causes to waste；Using glycerine fatty acid fat as emulsifier, non-saponified property grease is can remove, by grease emulsifying and makes it
It incorporates in solution；Using polyglycol ether as dispersant, the dispersion force to greasy dirt can be increased, improve degreasing dynamics and speed indirectly
Degree, to improve degreasing efficiency.
Therefore, combination formula of the invention has many advantages, such as reasonable, economical, efficient.Compared with the prior art, advantageous effect
It is：（1）Degreasing power is strong, shows that this formula has extremely strong elution energy to the residual grease of steel strip surface through many experiments
Power, degreasing rate can reach 98% or more, and to the corrosion-free effect of steel strip surface；（2）Safety and environmental protection uses in this degreasing agent prescription
Raw material be free of noxious agents, it is not phosphorous, it is substantially harmless and pollution-free to operating personnel.
Specific implementation mode
The present invention is further explained in the light of specific embodiments.
Embodiment one：
Preparation method：
69 parts of desalted waters are added after 8 parts of sodium hydroxides, 12 parts of potassium hydroxide, 5 parts of sodium metasilicate, 3.5 parts of sodium gluconates are mixed,
3min is stirred under the conditions of 45 DEG C, maintain the temperature and 1.3 parts of APG, 1 part of glycerine fatty acid fat and 0.2 part of polyethylene glycol is added
Ether is completed to match liquid.
Application method：
By the high-efficiency environment friendly degreasing agent quantitative titration to being equipped in the circulation fluid water tank of desalted water, it is 2.5% to be diluted to alkali concentration
Lye, and by quantitatively adding the high-efficiency environment friendly Degreasant composition, it is ensured that the alkali concentration of circulation fluid water tank in skimming processes
It remains unchanged, steel band continues through in circulation fluid water tank, and degreaser temperature is 60 DEG C, and steel band is 80m/min by speed.
Embodiment two：
Preparation method：
68.2 parts are added after 10 parts of sodium hydroxides, 15 parts of potassium hydroxide, 4.2 parts of sodium metasilicate, 4.2 parts of sodium gluconates are mixed to take off
Brine stirs 3min under the conditions of 50 DEG C, maintains the temperature and 2 parts of APG, 0.2 part of glycerine fatty acid fat and 0.4 part of poly- second is added
Glycol ethers are completed to match liquid.
Application method：
By the high-efficiency environment friendly degreasing agent quantitative titration to being equipped in the circulation fluid water tank of desalted water, it is 2.8% to be diluted to alkali concentration
Lye, and by quantitatively adding the high-efficiency environment friendly Degreasant composition, it is ensured that the alkali concentration of circulation fluid water tank in skimming processes
It remains unchanged, steel band continues through in circulation fluid water tank, and degreaser temperature is 65 DEG C, and steel band is 160m/min by speed.
Embodiment three：
Preparation method：
62 parts of desalinations are added after 11 parts of sodium hydroxides, 17 parts of sodium hydroxides, 3.5 parts of sodium metasilicate, 5 parts of sodium gluconates are mixed
Water stirs 3min under the conditions of 55 DEG C, maintains the temperature and 0.5 part of APG, 0.4 part of glycerine fatty acid fat and 0.6 part of poly- second is added
Glycol ethers are completed to match liquid.
Application method：
By the high-efficiency environment friendly degreasing agent quantitative titration to being equipped in the circulation fluid water tank of desalted water, it is 3.2% to be diluted to alkali concentration
Lye, and by quantitatively adding the high-efficiency environment friendly Degreasant composition, it is ensured that the alkali concentration of circulation fluid water tank in skimming processes
It remains unchanged, steel band continues through in circulation fluid water tank, and degreaser temperature is 70 DEG C, and steel band is 240m/min by speed.
Example IV：
Preparation method：
61 parts of desalinations are added after 13 parts of sodium hydroxides, 19 parts of sodium hydroxides, 2.8 parts of sodium metasilicate, 2 parts of sodium gluconates are mixed
Water stirs 3min under the conditions of 40 DEG C, maintains the temperature and 0.8 part of APG, 0.6 part of glycerine fatty acid fat and 0.8 part of poly- second is added
Glycol ethers are completed to match liquid.
Application method：
By the high-efficiency environment friendly degreasing agent quantitative titration to being equipped in the circulation fluid water tank of desalted water, it is diluted to the alkali that alkali concentration is 2%
Liquid, and by quantitatively adding the high-efficiency environment friendly Degreasant composition, it is ensured that the alkali concentration dimension of circulation fluid water tank in skimming processes
Hold constant, steel band continues through in circulation fluid water tank, and degreaser temperature is 55 DEG C, and steel band is 400m/min by speed.
Embodiment five：
Preparation method：
57.3 parts of desalinations are added after 14 parts of sodium hydroxides, 21 parts of sodium hydroxides, 2 parts of sodium metasilicate, 2.8 parts of sodium gluconates are mixed
Water stirs 3min under the conditions of 60 DEG C, maintains the temperature and 1.1 parts of APG, 0.8 part of glycerine fatty acid fat and 1 part of poly- second two is added
Alcohol ether is completed to match liquid.
Application method：
By the high-efficiency environment friendly degreasing agent quantitative titration to being equipped in the circulation fluid water tank of desalted water, it is 3.5% to be diluted to alkali concentration
Lye, and by quantitatively adding the high-efficiency environment friendly Degreasant composition, it is ensured that the alkali concentration of circulation fluid water tank in skimming processes
It remains unchanged, steel band continues through in circulation fluid water tank, and degreaser temperature is 50 DEG C, and steel band is 320m/min by speed.
The high-efficiency environment friendly degreasing agent prepared in embodiment 1-5 is carried out according to professional standard JB/T4323.2-1999
Degreasing rate is tested, and the results are shown in Table 2.
According to professional standard to being examined with the content of single side grease and iron powder after processing before steel band processing in embodiment 1-5
It surveys, the results are shown in Table 3.
The degreasing efficiency of the present invention can reach 99% or more it can be seen from test result in table 2, and degreasing efficiency in table 3
It is because in the actual production process, certain shadow will be led to due to various aspects why than slightly being reduced in table 2
It rings, but the degreasing efficiency in table 3 has also basically reached 98% or more, it can be seen that there is the present invention excellent degreasing to imitate
Fruit.
Claims (3)
1. a kind of high-efficiency environment friendly Degreasant composition, each raw material component and its dosage are respectively：
Sodium hydroxide：8 parts ~ 14 parts；
Potassium hydroxide：12 parts ~ 21 parts；
Sodium metasilicate：2 parts ~ 5 parts；
Sodium gluconate：2 parts ~ 5 parts；
Alkyl glycosides（APG）：0.5 part ~ 2 parts；
Glycerine fatty acid fat：0.2 part ~ 1 part；
Polyglycol ether：0.2 part ~ 1 part
Desalted water：51 parts ~ 75.1 parts.
2. a kind of preparation method of high-efficiency environment friendly Degreasant composition, it is characterised in that：By 8 parts ~ 14 parts sodium hydroxides, 12 parts ~
51 parts ~ 75.1 parts desalted waters are added after 21 parts of potassium hydroxide, 2 parts ~ 5 parts sodium metasilicate, 2 parts ~ 5 parts sodium gluconate mixing, 40
DEG C ~ 60 DEG C under the conditions of stir 3min, maintain the temperature and be added 0.5 part ~ 2 parts alkyl glycosides（APG）, 0.2 part ~ 1 portion of glyceride
Fat acid fat and 0.2 part ~ 1 part polyglycol ether are completed to match liquid.
3. a kind of application method of high-efficiency environment friendly Degreasant composition, it is characterised in that：By the high-efficiency environment friendly Degreasant composition
In quantitative titration to the circulation fluid water tank equipped with desalted water, it is diluted to the lye that alkali concentration is 2% ~ 3.5%, and by quantitatively adding
Mode, it is ensured that the alkali concentration of circulation fluid water tank remains unchanged in degreasing production process, and steel band is continuous in circulation fluid water tank
Pass through, degreaser temperature is 50 DEG C ~ 70 DEG C, and steel band is 80m/min ~ 400m/min by speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810200314.4A CN108301008A (en) | 2018-03-12 | 2018-03-12 | A kind of high-efficiency environment friendly Degreasant composition and preparation method thereof and application method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810200314.4A CN108301008A (en) | 2018-03-12 | 2018-03-12 | A kind of high-efficiency environment friendly Degreasant composition and preparation method thereof and application method |
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| Publication Number | Publication Date |
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| CN108301008A true CN108301008A (en) | 2018-07-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110387550A (en) * | 2019-08-29 | 2019-10-29 | 马鞍山拓锐金属表面技术有限公司 | A kind of preparation process of environmentally-friendly water-based metal cleaner |
| CN112921316A (en) * | 2021-01-20 | 2021-06-08 | 福建省闽发铝业股份有限公司 | Green environment-friendly aluminum profile spraying pretreatment process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660749A (en) * | 2012-05-08 | 2012-09-12 | 沈阳帕卡濑精有限总公司 | Phosphate-free degreasing agent |
| CN104152929A (en) * | 2014-09-03 | 2014-11-19 | 淮南天力生物工程开发有限公司 | Environment-friendly type metal surface degreasant and manufacturing method thereof |
| CN107419324A (en) * | 2017-07-21 | 2017-12-01 | 上海帕卡濑精有限公司 | The environment-friendly liquid degreasing agent of cleaning before a kind of annealing for strip |
-
2018
- 2018-03-12 CN CN201810200314.4A patent/CN108301008A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660749A (en) * | 2012-05-08 | 2012-09-12 | 沈阳帕卡濑精有限总公司 | Phosphate-free degreasing agent |
| CN104152929A (en) * | 2014-09-03 | 2014-11-19 | 淮南天力生物工程开发有限公司 | Environment-friendly type metal surface degreasant and manufacturing method thereof |
| CN107419324A (en) * | 2017-07-21 | 2017-12-01 | 上海帕卡濑精有限公司 | The environment-friendly liquid degreasing agent of cleaning before a kind of annealing for strip |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110387550A (en) * | 2019-08-29 | 2019-10-29 | 马鞍山拓锐金属表面技术有限公司 | A kind of preparation process of environmentally-friendly water-based metal cleaner |
| CN112921316A (en) * | 2021-01-20 | 2021-06-08 | 福建省闽发铝业股份有限公司 | Green environment-friendly aluminum profile spraying pretreatment process |
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Application publication date: 20180720 |