RU2012116102A - ANTI-CORROSION PROTECTIVE COATING ON THE SURFACE OF STEEL AND METHOD OF ITS PRODUCTION - Google Patents
ANTI-CORROSION PROTECTIVE COATING ON THE SURFACE OF STEEL AND METHOD OF ITS PRODUCTION Download PDFInfo
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- RU2012116102A RU2012116102A RU2012116102/02A RU2012116102A RU2012116102A RU 2012116102 A RU2012116102 A RU 2012116102A RU 2012116102/02 A RU2012116102/02 A RU 2012116102/02A RU 2012116102 A RU2012116102 A RU 2012116102A RU 2012116102 A RU2012116102 A RU 2012116102A
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Abstract
1. Противокоррозионное защитное покрытие на поверхности стали, включающее цинк, фосфор и кислород, отличающееся тем, что дополнительно оно содержит железо, атомы железа находятся в высокоспиновом состоянии, при этом атомы цинка и железа связаны с атомами кислорода ионно-ковалентными связями.2. Способ нанесения на поверхность стали противокоррозионного защитного покрытия по п.1, включающий контакт стали с водной средой, содержащей окислитель и фосфатирующий реагент, отличающийся тем, что в качестве окислителя используют растворенный кислород, в качестве фосфатирующего реагента используют реагент, включающий остаток 1-гидроксиэтилидендифосфоновой кислоты и цинк, связанный с атомами кислорода вышеуказанного кислотного остатка ионно-ковалентными связями, а вышеуказанный кислотный остаток содержит локализованные π-связи между атомами фосфора и кислорода.3. Способ по п.2, отличающийся тем, что остаток 1-гидроксиэтилидендифосфоновой кислоты, входящий в состав фосфатирующего реагента, является протонированным.4. Способ по п.2, отличающийся тем, что концентрация фосфатирующего реагента в водной среде составляет от 0,0001 до 0,01 мас.%.1. An anticorrosive protective coating on the surface of steel, including zinc, phosphorus and oxygen, characterized in that it additionally contains iron, the iron atoms are in a high-spin state, while the zinc and iron atoms are bonded to oxygen atoms by ion-covalent bonds. 2. The method of applying the anticorrosion protective coating to the steel surface according to claim 1, comprising contacting the steel with an aqueous medium containing an oxidizing agent and a phosphating reagent, characterized in that dissolved oxygen is used as an oxidizing agent, and a reagent comprising a residue of 1-hydroxyethylidene diphosphonic acid is used as a phosphating reagent and zinc bound to the oxygen atoms of the above acid residue by ion-covalent bonds, and the above acid residue contains localized π-bonds between atoms of phosphorus and oxygen. 3. The method according to claim 2, characterized in that the residue of 1-hydroxyethylidene diphosphonic acid, which is part of the phosphating reagent, is protonated. The method according to claim 2, characterized in that the concentration of the phosphating reagent in the aqueous medium is from 0.0001 to 0.01 wt.%.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2012116102/02A RU2499851C1 (en) | 2012-04-20 | 2012-04-20 | Corrosion protection coating on surface of steel, and its production method |
Applications Claiming Priority (1)
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RU2012116102/02A RU2499851C1 (en) | 2012-04-20 | 2012-04-20 | Corrosion protection coating on surface of steel, and its production method |
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RU2012116102A true RU2012116102A (en) | 2013-10-27 |
RU2499851C1 RU2499851C1 (en) | 2013-11-27 |
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RU2012116102/02A RU2499851C1 (en) | 2012-04-20 | 2012-04-20 | Corrosion protection coating on surface of steel, and its production method |
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RU (1) | RU2499851C1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105937033B (en) * | 2016-05-31 | 2018-12-18 | 河北晨阳工贸集团有限公司 | A kind of environment protection multifunctional priming paint and preparation method thereof |
RU2695717C2 (en) * | 2017-11-30 | 2019-07-25 | Федеральное государственное бюджетное учреждение науки Удмуртский федеральный исследовательский центр Уральского отделения Российской академии наук | Method of applying protective anticorrosion coating on steel articles and reagent for carrying out said method |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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SU1118715A1 (en) * | 1982-08-02 | 1984-10-15 | Предприятие П/Я А-7411 | Aqueous solution for simultaneous degreasing, etching and phosphate plating of metal surface |
JP2001059186A (en) * | 1999-08-20 | 2001-03-06 | Nippon Steel Corp | Galvanized steel sheet excellent in arc weldability |
RU2190038C2 (en) * | 1999-12-20 | 2002-09-27 | Левичев Александр Николаевич | Composition for anticorrosive treatment of ferrous metals' surfaces |
DE10010355A1 (en) * | 2000-03-07 | 2001-09-13 | Chemetall Gmbh | Applying phosphate coatings to metallic surfaces comprises wetting with an aqueous acidic phosphatizing solution containing zinc ions, manganese ions and phosphate ions, and drying the solution |
RU2188254C2 (en) * | 2001-10-17 | 2002-08-27 | Горбатых Валерий Павлович | Protective coating for reducing corrosion cracking |
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2012
- 2012-04-20 RU RU2012116102/02A patent/RU2499851C1/en not_active IP Right Cessation
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RU2499851C1 (en) | 2013-11-27 |
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Effective date: 20160421 |