RU2001102814A - METHOD FOR CORROSION INHIBITION AND COMPOSITION FOR ITS IMPLEMENTATION - Google Patents
METHOD FOR CORROSION INHIBITION AND COMPOSITION FOR ITS IMPLEMENTATIONInfo
- Publication number
- RU2001102814A RU2001102814A RU2001102814/02A RU2001102814A RU2001102814A RU 2001102814 A RU2001102814 A RU 2001102814A RU 2001102814/02 A RU2001102814/02 A RU 2001102814/02A RU 2001102814 A RU2001102814 A RU 2001102814A RU 2001102814 A RU2001102814 A RU 2001102814A
- Authority
- RU
- Russia
- Prior art keywords
- group
- amino group
- corrosion
- alkyl
- methyl
- Prior art date
Links
- 238000005260 corrosion Methods 0.000 title claims 13
- 230000002401 inhibitory effect Effects 0.000 title claims 12
- 239000000203 mixture Substances 0.000 title claims 3
- 239000003112 inhibitor Substances 0.000 claims 9
- 125000003277 amino group Chemical group 0.000 claims 7
- 125000000217 alkyl group Chemical group 0.000 claims 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 6
- 239000002184 metal Substances 0.000 claims 5
- 229910052751 metal Inorganic materials 0.000 claims 5
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N Oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims 4
- 229910052739 hydrogen Inorganic materials 0.000 claims 4
- 239000001257 hydrogen Substances 0.000 claims 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 4
- 229910052757 nitrogen Inorganic materials 0.000 claims 4
- 125000004433 nitrogen atoms Chemical group N* 0.000 claims 4
- -1 polymethylene chain Polymers 0.000 claims 4
- 150000002431 hydrogen Chemical class 0.000 claims 3
- HBCQSNAFLVXVAY-UHFFFAOYSA-N pyrimidine-2-thiol Chemical class SC1=NC=CC=N1 HBCQSNAFLVXVAY-UHFFFAOYSA-N 0.000 claims 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims 2
- 239000005642 Oleic acid Substances 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 2
- 150000003863 ammonium salts Chemical class 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 2
- 125000000623 heterocyclic group Chemical group 0.000 claims 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 2
- 239000007791 liquid phase Substances 0.000 claims 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims 2
- 125000000714 pyrimidinyl group Chemical group 0.000 claims 2
- 150000003839 salts Chemical class 0.000 claims 2
- 239000011780 sodium chloride Substances 0.000 claims 2
- 159000000000 sodium salts Chemical class 0.000 claims 2
- 239000004094 surface-active agent Substances 0.000 claims 2
- 150000001298 alcohols Chemical class 0.000 claims 1
- 125000004414 alkyl thio group Chemical group 0.000 claims 1
- 150000001408 amides Chemical class 0.000 claims 1
- 125000004103 aminoalkyl group Chemical group 0.000 claims 1
- 125000003710 aryl alkyl group Chemical group 0.000 claims 1
- 150000002334 glycols Chemical class 0.000 claims 1
- 125000004435 hydrogen atoms Chemical group [H]* 0.000 claims 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- 125000004434 sulfur atoms Chemical group 0.000 claims 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims 1
- 125000003396 thiol group Chemical group [H]S* 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Claims (1)
где R - Н, алкил, арилалкил, оксиалкил, замещенный аминоалкил, причем атом азота может входить в гетероциклическую систему или быть кватернизованным;
R1 - алкил, оксигруппа, меркаптогруппа, алкилтиогруппа, аминогруппа, в том числе, когда атом азота входит в гетероциклическую систему,
R2 - водород, алкил, аминогруппа.1. A method of inhibiting corrosion of metal iron surfaces, comprising contacting with a metal surface an effective amount of a corrosion inhibitor, characterized in that derivatives of 2-mercaptopyrimidine of the general formula (I) are used as a corrosion inhibitor
where R is H, alkyl, arylalkyl, hydroxyalkyl, substituted aminoalkyl, moreover, the nitrogen atom may enter the heterocyclic system or be quaternized;
R 1 is alkyl, oxy group, mercapto group, alkylthio group, amino group, including when the nitrogen atom enters the heterocyclic system,
R 2 is hydrogen, alkyl, amino.
где R1 - алкил, аминогруппа и замещенная аминогруппа;
R2 - метил, аминогруппа;
n = 2-6.4. The method according to p. 1, characterized in that R represents ω - (pyrimidinyl-2-thio) alkyl
where R 1 is alkyl, an amino group and a substituted amino group;
R 2 is methyl, an amino group;
n = 2-6.
где R - водород;
R2 - метил;
n = 2, 7.5. The method according to p. 1, characterized in that R 1 denotes ω - (2-thiopyrimidinyl-4-amino) alkyl
where R is hydrogen;
R 2 is methyl;
n = 2, 7.
где R1 - метил, аминогруппа;
R2 - метил, аминогруппа;
R3 - водород, гидроксил;
А - С1, Вr;
n = 0, 1.8. The method according to p. 1, characterized in that R denotes a substituted or unsubstituted polymethylene chain connected to the nitrogen atom of the pyrimidine ring
where R 1 is methyl, amino;
R 2 is methyl, an amino group;
R 3 is hydrogen, hydroxyl;
A is C1, Br;
n = 0, 1.
где R2 - метил, амиогруппа;
R3 - водород, оксигруппа;
n = 0, 1.9. The method according to p. 1, characterized in that R denotes a substituted or unsubstituted polymethylene chain connected to the nitrogen atom of the pyrimidine ring, R 1 tautomeric group
where R 2 is methyl, amino group;
R 3 is hydrogen, hydroxy;
n = 0, 1.
где R1 - амино-, замещенная аминогруппа;
R2 - метил, аминогруппа;
А = С1, Br.10. The method according to p. 1, characterized in that R denotes a tetramethylene chain forming a cycle with a sulfur atom
where R 1 is an amino-substituted amino group;
R 2 is methyl, an amino group;
A = C1, Br.
Производное 2-меркапто-пиримидина - 0,05-0,2
ПАВ - 0,01-30
Растворитель - Остальное
13. Способ по п. 1, отличающийся тем, что ингибитор коррозии по пп. 1-12 используют в концентрации 0,07-53 ppm.12. Compositions for inhibiting corrosion of iron-containing metal surfaces based on nitrogen-containing and surface-active compounds, characterized in that, as the nitrogen-containing compound, they contain any 2-mercaptopyrimidine derivative selected from the compounds of claims. 1-10, and as a surfactant, neonol or laprol in the following ratio of components, wt. % respectively:
Derivative of 2-mercapto-pyrimidine - 0.05-0.2
Surfactant - 0.01-30
Solvent - Other
13. The method according to p. 1, characterized in that the corrosion inhibitor according to PP. 1-12 are used at a concentration of 0.07-53 ppm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2001102814A RU2198245C2 (en) | 2001-01-30 | 2001-01-30 | Method of corrosion inhibition and composition for method embodiment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2001102814A RU2198245C2 (en) | 2001-01-30 | 2001-01-30 | Method of corrosion inhibition and composition for method embodiment |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2001102814A true RU2001102814A (en) | 2003-01-27 |
RU2198245C2 RU2198245C2 (en) | 2003-02-10 |
Family
ID=20245447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2001102814A RU2198245C2 (en) | 2001-01-30 | 2001-01-30 | Method of corrosion inhibition and composition for method embodiment |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2198245C2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2538131C1 (en) * | 2013-06-03 | 2015-01-10 | Виктор Петрович Томин | Method for anticorrosion protection of oil-refining equipment |
RU2534903C1 (en) * | 2013-07-15 | 2014-12-10 | Федеральное государственное бюджетное учреждение науки Институт органической и физической химии им. А.Е. Арбузова Казанского научного центра Российской академии наук | Macrocyclic alkylammonium derivatives of 6-methyluracil having anticholinesterase activity |
RU2649354C1 (en) * | 2017-03-10 | 2018-04-02 | Николай Николаевич Андреев | Method for protecting metals from atmospheric corrosion |
CN114539164A (en) * | 2022-03-15 | 2022-05-27 | 常州大学 | Mercaptopyrimidine derivative, and preparation method and application thereof |
-
2001
- 2001-01-30 RU RU2001102814A patent/RU2198245C2/en not_active IP Right Cessation
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