CN105714302A - Multifunctional antirust corrosion-inhibiting agent - Google Patents
Multifunctional antirust corrosion-inhibiting agent Download PDFInfo
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- CN105714302A CN105714302A CN201610129509.5A CN201610129509A CN105714302A CN 105714302 A CN105714302 A CN 105714302A CN 201610129509 A CN201610129509 A CN 201610129509A CN 105714302 A CN105714302 A CN 105714302A
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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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/14—Nitrogen-containing compounds
- C23F11/146—Nitrogen-containing compounds containing a multiple nitrogen-to-carbon bond
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Abstract
The invention relates to a multifunctional antirust corrosion-inhibiting agent. The multifunctional antirust corrosion-inhibiting agent is prepared through the method that (1) 597 g of water is added into a 1000-ml beaker at first, then 217 g of a metal corrosion-inhibiting agent is added, and stirring is conducted for 3-4 h at the room temperature; (2) then 83 g of a boric acid ester coupling agent is added, and stirring is conducted for 1-1.5 h at the room temperature; and (3) 103 g of a titanate coupling agent is added at last, and stirring is conducted for 2-3 h at the room temperature to obtained the antirust corrosion-inhibiting agent. Tests of the antirust performance of the antirust corrosion-inhibiting agent are conducted according to the antirust performance test standard, and the surfaces of metal are not rusted within 24 h and are not changed. Adhesive force of oil paint is obviously improved after the antirust corrosion-inhibiting agent is used, and the paint film adhesive force is in the zero level according to the GB/T 9286-1998 colored paint and varnish film cross cut test standard. The corrosion-inhibiting function of the antirust corrosion-inhibiting agent is outstanding, over etching of the metal can be effectively prevented by adding 0.3%-0.5% of the agent into pure hydrochloric acid.
Description
Technical field
The present invention relates to metal conditioner, refer in particular to a kind of antirust inhibition multifunctional preparation.
Background technology
General antirust agent only has antirust function, and corrosion inhibiter only has a corrosion inhibitive function, and uses the adhesive force of paint after common antirust agent the most up to standard.
As publication number CN103556157B discloses a kind of water-based antirust agent, it is prepared by the component of weight portion: I-hydroxybenzotriazole 40-50 part, 1,2-diethoxy estersil base ethane 35-42 part, inositol hexaphosphate 5-10 part, triethylamine 5-8 part, sodium acetate 1-4 part, oxalic acid 0.02-1 part.The program can be on the basis of ensureing the feature that water-based antirust agent itself is clean, and the existing water-based antirust agent favorable rust preventing effect of ratio, more stable, rust-proof life is long.But this programme function singleness, only has antirust function.
As publication number CN103060811A discloses a kind of corrosion inhibiter, it is made up of the component of following weight portion: sodium silicate 10-15 part, multi-component copolymer sodium polyacrylate 5-10 part, 1-hydroxy ethylidene-1,1-diphosphonic acid 2-5 part, mercaptobenzothiazoler 4-9 part, BTA 15-20 part, sodium tripolyphosphate 15-25 part, ethanol 5-15 part, hexamethylenetetramine 15-20 part, imidazoline 4-9 part, alkylamino radical alcohol 2-7 part, furfural 3-8 part.Program water absorption is strong, has wettability, it is possible to decrease the freezing point of water, pollution-free, can slow down corrosion.But this programme function singleness, has antirust function time different.
Summary of the invention
It is an object of the invention to improved for shortcoming present in background technology and problem and innovate, it is provided that one not only has antirust function, is provided simultaneously with corrosion inhibitive function, and can strengthen the antirust inhibition multifunctional preparation of PASS.
The present invention is prepared by following methods:
1, in 1000ml beaker, first add 597g water, add metal inhibitor 217g, stir 3-4 hour under room temperature.
2, add boric acid ester coupler 83g, stir 1-1.5 hour under room temperature.
3, it is eventually adding titanate coupling agent 103g, stirs 2-3 hour, obtain this rust inhibitor.
Wherein in an embodiment, described metal inhibitor is prepared by following steps:
1, amidation process: be incorporated with by oleic acid in the reactor of agitator and distillation condensing unit, after heating is dissolved, adds diethylenetriamine by oleic acid and diethylenetriamine mol ratio 1:1, is warming up to 190-205 DEG C of reaction 9h, then is cooled to 75 DEG C, reacts 2h.
2, quaterisation: the amidated products heating and melting in reactor upper step prepared, is that 1:1.2 adds 30% monoxone aqueous solution by oleic acid and monoxone mol ratio, adjusts ph value to 8-9 with sodium hydroxide, is warming up to 85-90 DEG C of reaction 6h.
3, substitution reaction: putting in reaction vessel by the quaternized products that upper step prepares, when being warming up to 70 DEG C, rapidly joining with oleic acid mol ratio is the dichloroethanes of 1:0.5,90 DEG C of reaction 8h, obtain metal inhibitor.
Wherein in an embodiment, 30% described monoxone aqueous solution is the monoxone of weight ratio 30% and the water of 70% is mixed to prepare.
Wherein in an embodiment; described boric acid ester coupler is prepared by following steps: by boric acid: octadecanol: isopropanol=0.9: under conditions of 2.0: 1.2; catalyst uses DNW-1 strong-acid ion exchange resin, has synthesized boric acid ester coupler under nitrogen protection.
Wherein in an embodiment, described titanate coupling agent is prepared by following steps:
1, the most under stirring at room temperature, the half amount of di (isooctyl) phosphate 64.5 grams is added drop-wise in isopropyl titanate 28.4 grams；Reacting slight heat release, drip and finish, in reaction bulb, temperature is raised to 45 degree.
2, weighing lactic acid 9 grams, be added drop-wise in above-mentioned reactant liquor, dripping and finish, in bottle, temperature slightly raises, and reactant liquor is that pale yellow transparent is thick.
3, continuing to be added drop-wise in this reactant liquor second half iso octyl ester of phosphoric acid remaining, and be slowly heated to 85-90 degree, after 10mm, isopropanol backflow seen from bottle wall produces, and reactant gradually becomes cloudy.
4, after reaction 1h, decompression pumps isopropanol, obtains yellow cream solid 74 grams, productivity 95%, decomposition temperature 275 degree.
The present invention presses 10-20% proportioning as antirust agent and uses.
The present invention presses 0.3-0.5% proportioning as corrosion inhibiter and uses.
Advantages of the present invention and beneficial effect:
The present invention is mixed by metal inhibitor boric acid ester coupler titanate coupling agent water, has both had antirust function, has had again corrosion inhibitive function.The rustless property of the present invention is according to QB/T
2117-1995 5.7 rust-preventing characteristic test standard is carried out, and in metal surface without playing rust in 24h, surface is unchanged.Significantly enhancing PASS after using the present invention, carry out according to the cross cut test standard of GB/T 9286-1998 paint and varnish paint film, paint film adhesion grade is 0 grade.Corrosion inhibitive function of the present invention is distinguished, adds in 0.3-0.5% ratio, can effectively prevent metal excessive erosion in pure hydrochloric acid.
Detailed description of the invention
For ease of understanding the present invention, shown below is embodiments of the invention.But, the present invention can realize in many different forms, however it is not limited to embodiment described herein.On the contrary, providing the purpose of these embodiments is to make to the disclosure more thoroughly comprehensively.
Unless otherwise defined, all of technology used herein is identical with the implication that the those skilled in the art of the present invention are generally understood that with scientific terminology.Term used in the description is intended merely to describe concrete enforcement purpose, it is not intended that in limiting the present invention.
Embodiment 1:
1, metal inhibitor is prepared:
1) amidation process: be incorporated with by oleic acid in the reactor of agitator and distillation condensing unit, after heating is dissolved, adds diethylenetriamine by oleic acid and diethylenetriamine mol ratio 1:1, is warming up to 190 DEG C of reaction 9h, then is cooled to 75 DEG C, reacts 2h.
2) quaterisation: the amidated products heating and melting in reactor upper step prepared, is that 1:1.2 adds 30% monoxone aqueous solution by oleic acid and monoxone mol ratio, adjusts ph value to 8 with sodium hydroxide, is warming up to 85 DEG C of reaction 6h.Wherein 30% monoxone aqueous solution is 30g monoxone+70g water, and gross weight is 100g, is mixed to prepare.
3) substitution reaction: putting in reaction vessel by the quaternized products that upper step prepares, when being warming up to 70 DEG C, rapidly joining with oleic acid mol ratio is the dichloroethanes of 1:0.5,90 DEG C of reaction 8h, obtain metal inhibitor, standby.
2, boric acid ester coupler is prepared:
Under conditions of n (boric acid): n (octadecanol): n (isopropanol)=0.9: 2.0: 1.2, catalyst uses DNW-1 strong-acid ion exchange resin, has synthesized boric acid ester coupler under nitrogen protection.
3, titanate coupling agent is prepared:
Under stirring at room temperature, the half amount of di (isooctyl) phosphate 64.5 grams is added drop-wise in isopropyl titanate 28.4 grams.Reacting slight heat release, drip and finish, in reaction bulb, temperature is raised to 45 degree.Weighing lactic acid 9 grams, be added drop-wise in above-mentioned reactant liquor, drip and finish, in bottle, temperature slightly raises, and reactant liquor is that pale yellow transparent is thick.Continuing to be added drop-wise in this reactant liquor second half iso octyl ester of phosphoric acid remaining, and be slowly heated to 85 degree, after 10mm, isopropanol backflow seen from bottle wall produces, and reactant gradually becomes cloudy.After reaction 1h, decompression pumps isopropanol, obtains yellow cream solid 74 grams, productivity 95%, decomposition temperature 275 degree.
4, antirust inhibition multifunctional preparation is prepared:
In 1000ml beaker, add 597g water, add metal inhibitor 217g, stir 3 hours under room temperature；Add boric acid ester coupler 83g, stir 1 hour under room temperature；Add titanate coupling agent 103g, stir 2 hours.Obtain the multifunctional special rust inhibitor of the present invention.
Finally, by the multifunctional special rust inhibitor made by being used as antirust agent after 10% proportioning.
Embodiment 2:
1, metal inhibitor is prepared:
1) amidation process: be incorporated with by oleic acid in the reactor of agitator and distillation condensing unit, after heating is dissolved, adds diethylenetriamine by oleic acid and diethylenetriamine mol ratio 1:1, is warming up to 200 DEG C of reaction 9h, then is cooled to 75 DEG C, reacts 2h.
2) quaterisation: the amidated products heating and melting in reactor upper step prepared, is that 1:1.2 adds 30% monoxone aqueous solution by oleic acid and monoxone mol ratio, adjusts ph value to 8 with sodium hydroxide, is warming up to 90 DEG C of reaction 6h.Wherein 30% monoxone aqueous solution is 30g monoxone+70g water, and gross weight is 100g, is mixed to prepare.
3) substitution reaction: putting in reaction vessel by the quaternized products that upper step prepares, when being warming up to 70 DEG C, rapidly joining with oleic acid mol ratio is the dichloroethanes of 1:0.5,90 DEG C of reaction 8h, obtain metal inhibitor, standby.
2, boric acid ester coupler is prepared:
Under conditions of n (boric acid): n (octadecanol): n (isopropanol)=0.9: 2.0: 1.2, catalyst uses DNW-1 strong-acid ion exchange resin, has synthesized boric acid ester coupler under nitrogen protection.
3, titanate coupling agent is prepared:
Under stirring at room temperature, the half amount of di (isooctyl) phosphate 64.5 grams is added drop-wise in isopropyl titanate 28.4 grams.Reacting slight heat release, drip and finish, in reaction bulb, temperature is raised to 45 degree.Weighing lactic acid 9 grams, be added drop-wise in above-mentioned reactant liquor, drip and finish, in bottle, temperature slightly raises, and reactant liquor is that pale yellow transparent is thick.Continuing to be added drop-wise in this reactant liquor second half iso octyl ester of phosphoric acid remaining, and be slowly heated to 85 degree, after 10mm, isopropanol backflow seen from bottle wall produces, and reactant gradually becomes cloudy.After reaction 1h, decompression pumps isopropanol, obtains yellow cream solid 74 grams, productivity 95%, decomposition temperature 275 degree.
4, antirust inhibition multifunctional preparation is prepared:
In 1000ml beaker, add 597g water, add metal inhibitor 217g, stir 3.5 hours under room temperature；Add boric acid ester coupler 83g, stir 1.2 hours under room temperature；Add titanate coupling agent 103g, stir 2.5 hours.Obtain the multifunctional special rust inhibitor of the present invention.
Finally, by the multifunctional special rust inhibitor made by being used as corrosion inhibiter after 0.3% proportioning.
Embodiment 3:
1, metal inhibitor is prepared:
1) amidation process: be incorporated with by oleic acid in the reactor of agitator and distillation condensing unit, after heating is dissolved, adds diethylenetriamine by oleic acid and diethylenetriamine mol ratio 1:1, is warming up to 205 DEG C of reaction 9h, then is cooled to 75 DEG C, reacts 2h.
2) quaterisation: the amidated products heating and melting in reactor upper step prepared, is that 1:1.2 adds 30% monoxone aqueous solution by oleic acid and monoxone mol ratio, adjusts ph value to 9 with sodium hydroxide, is warming up to 88 DEG C of reaction 6h.Wherein 30% monoxone aqueous solution is 30g monoxone+70g water, and gross weight is 100g, is mixed to prepare.
3) substitution reaction: putting in reaction vessel by the quaternized products that upper step prepares, when being warming up to 70 DEG C, rapidly joining with oleic acid mol ratio is the dichloroethanes of 1:0.5,90 DEG C of reaction 8h, obtain metal inhibitor, standby.
2, boric acid ester coupler is prepared:
Under conditions of n (boric acid): n (octadecanol): n (isopropanol)=0.9: 2.0: 1.2, catalyst uses DNW-1 strong-acid ion exchange resin, has synthesized boric acid ester coupler under nitrogen protection.
3, titanate coupling agent is prepared:
Under stirring at room temperature, the half amount of di (isooctyl) phosphate 64.5 grams is added drop-wise in isopropyl titanate 28.4 grams.Reacting slight heat release, drip and finish, in reaction bulb, temperature is raised to 45 degree.Weighing lactic acid 9 grams, be added drop-wise in above-mentioned reactant liquor, drip and finish, in bottle, temperature slightly raises, and reactant liquor is that pale yellow transparent is thick.Continuing to be added drop-wise in this reactant liquor second half iso octyl ester of phosphoric acid remaining, and be slowly heated to 90 degree, after 10mm, isopropanol backflow seen from bottle wall produces, and reactant gradually becomes cloudy.After reaction 1h, decompression pumps isopropanol, obtains yellow cream solid 74 grams, productivity 95%, decomposition temperature 275 degree.
4, antirust inhibition multifunctional preparation is prepared:
In 1000ml beaker, add 597g water, add metal inhibitor 217g, stir 4 hours under room temperature；Add boric acid ester coupler 83g, stir 1.5 hours under room temperature；Add titanate coupling agent 103g, stir 3 hours.Obtain the multifunctional special rust inhibitor of the present invention.
Finally, by the multifunctional special rust inhibitor made by being used as corrosion inhibiter after 0.5% proportioning.
Embodiment 4:
1, metal inhibitor is prepared:
1) amidation process: be incorporated with by oleic acid in the reactor of agitator and distillation condensing unit, after heating is dissolved, adds diethylenetriamine by oleic acid and diethylenetriamine mol ratio 1:1, is warming up to 195 DEG C of reaction 9h, then is cooled to 75 DEG C, reacts 2h.
2) quaterisation: the amidated products heating and melting in reactor upper step prepared, is that 1:1.2 adds 30% monoxone aqueous solution by oleic acid and monoxone mol ratio, adjusts ph value to 8.5 with sodium hydroxide, is warming up to 90 DEG C of reaction 6h.Wherein 30% monoxone aqueous solution is 30g monoxone+70g water, and gross weight is 100g, is mixed to prepare.
3) substitution reaction: putting in reaction vessel by the quaternized products that upper step prepares, when being warming up to 70 DEG C, rapidly joining with oleic acid mol ratio is the dichloroethanes of 1:0.5,90 DEG C of reaction 8h, obtain metal inhibitor, standby.
2, boric acid ester coupler is prepared:
Under conditions of n (boric acid): n (octadecanol): n (isopropanol)=0.9: 2.0: 1.2, catalyst uses DNW-1 strong-acid ion exchange resin, has synthesized boric acid ester coupler under nitrogen protection.
3, titanate coupling agent is prepared:
Under stirring at room temperature, the half amount of di (isooctyl) phosphate 64.5 grams is added drop-wise in isopropyl titanate 28.4 grams.Reacting slight heat release, drip and finish, in reaction bulb, temperature is raised to 45 degree.Weighing lactic acid 9 grams, be added drop-wise in above-mentioned reactant liquor, drip and finish, in bottle, temperature slightly raises, and reactant liquor is that pale yellow transparent is thick.Continuing to be added drop-wise in this reactant liquor second half iso octyl ester of phosphoric acid remaining, and be slowly heated to 88 degree, after 10mm, isopropanol backflow seen from bottle wall produces, and reactant gradually becomes cloudy.After reaction 1h, decompression pumps isopropanol, obtains yellow cream solid 74 grams, productivity 95%, decomposition temperature 275 degree.
4, antirust inhibition multifunctional preparation is prepared:
In 1000ml beaker, add 597g water, add metal inhibitor 217g, stir 3.5 hours under room temperature；Add boric acid ester coupler 83g, stir 1 hour under room temperature；Add titanate coupling agent 103g, stir 3 hours.Obtain the multifunctional special rust inhibitor of the present invention.
Finally, by the multifunctional special rust inhibitor made by being used as antirust agent after 20% proportioning.
Embodiment of the present invention is only the description carrying out the preferred embodiment of the present invention; not present inventive concept and scope are defined; on the premise of without departing from design philosophy of the present invention; various modification that in this area, technical scheme is made by engineers and technicians and improvement; protection scope of the present invention all should be fallen into; the technology contents that the present invention is claimed, all records in detail in the claims.
Claims (7)
1. a multi-functional rust inhibitor, it is characterised in that it is prepared by following methods:
1) in 1000ml beaker, first add 597g water, add metal inhibitor 217g, stir 3-4 hour under room temperature；
2) add boric acid ester coupler 83g, stir 1-1.5 hour under room temperature；
3) it is eventually adding titanate coupling agent 103g, stirs 2-3 hour, obtain this rust inhibitor.
The multi-functional rust inhibitor of one the most according to claim 1, it is characterised in that described metal inhibitor is prepared by following steps:
1) amidation process: be incorporated with by oleic acid in the reactor of agitator and distillation condensing unit, after heating is dissolved, adds diethylenetriamine by oleic acid and diethylenetriamine mol ratio 1:1, is warming up to 190-205 DEG C of reaction 9h, then is cooled to 75 DEG C, reacts 2h；
2) quaterisation: the amidated products heating and melting in reactor upper step prepared, is that 1:1.2 adds 30% monoxone aqueous solution by oleic acid and monoxone mol ratio, adjusts ph value to 8-9 with sodium hydroxide, is warming up to 85-90 DEG C of reaction 6h；
3) substitution reaction: putting in reaction vessel by the quaternized products that upper step prepares, when being warming up to 70 DEG C, rapidly joining with oleic acid mol ratio is the dichloroethanes of 1:0.5,90 DEG C of reaction 8h, obtain metal inhibitor.
The multi-functional rust inhibitor of one the most according to claim 2, it is characterised in that 30% described monoxone aqueous solution is the monoxone of weight ratio 30% and the water of 70% is mixed to prepare.
The multi-functional rust inhibitor of one the most according to claim 1, it is characterised in that described boric acid ester coupler is prepared by following steps:
By boric acid: octadecanol: isopropanol=0.9: under conditions of 2.0: 1.2, catalyst uses DNW-1 strong-acid ion exchange resin, has synthesized boric acid ester coupler under nitrogen protection.
The multi-functional rust inhibitor of one the most according to claim 1, it is characterised in that described titanate coupling agent is prepared by following steps:
1) the most under stirring at room temperature, the half amount of di (isooctyl) phosphate 64.5 grams is added drop-wise in isopropyl titanate 28.4 grams；Reacting slight heat release, drip and finish, in reaction bulb, temperature is raised to 45 degree；
2) weighing lactic acid 9 grams, be added drop-wise in above-mentioned reactant liquor, dripping and finish, in bottle, temperature slightly raises, and reactant liquor is that pale yellow transparent is thick；
3) continuing to be added drop-wise in this reactant liquor second half iso octyl ester of phosphoric acid remaining, and be slowly heated to 85-90 degree, after 10mm, isopropanol backflow seen from bottle wall produces, and reactant gradually becomes cloudy；
4), after reaction 1h, decompression pumps isopropanol, obtains yellow cream solid 74 grams, productivity 95%, decomposition temperature 275 degree.
The multi-functional rust inhibitor of one the most according to claim 1, it is characterised in that this agent is pressed 10-20% proportioning as antirust agent and used.
The multi-functional rust inhibitor of one the most according to claim 1, it is characterised in that this agent is pressed 0.3-0.5% proportioning as corrosion inhibiter and used.
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| CN201610129509.5A CN105714302A (en) | 2016-03-08 | 2016-03-08 | Multifunctional antirust corrosion-inhibiting agent |
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| CN108949288A (en) * | 2018-07-17 | 2018-12-07 | 昆山中润信息科技有限公司 | High abrasion resistant extreme-pressure and antiwear and antifriction lubricate oil making technology |
| CN110760851A (en) * | 2019-10-30 | 2020-02-07 | 湖南金裕环保科技有限公司 | Stainless steel surface corrosion inhibitor, preparation method and application |
| CN111826658A (en) * | 2020-07-23 | 2020-10-27 | 宜兴金兑化工有限公司 | Preparation method of hydrogenation corrosion inhibitor composition |
| US11492710B2 (en) | 2019-11-18 | 2022-11-08 | Ascend Performance Materials Operations Llc | Trifunctional amine based corrosion inhibitor compositions |
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